./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3027369218 <...> ed ...> [pid 7232] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... openat resumed>) = 3 [pid 4997] close(4 [pid 4998] fstat(3, [pid 4997] <... close resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] rmdir("./106/bus" [pid 4998] getdents64(3, ./strace-static-x86_64: Process 7233 attached [pid 7233] set_robust_list(0x7f6a589f59e0, 24 [pid 4997] <... rmdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./107/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7233] <... set_robust_list resumed>) = 0 [pid 4997] lstat("./106/binderfs", [pid 7233] memfd_create("syzkaller", 0) = 3 [pid 7233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./106/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./106") = 0 [pid 4997] mkdir("./107", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 7231] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7234 attached [pid 7234] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7234] chdir("./107") = 0 [pid 7234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7234] setpgid(0, 0) = 0 [pid 7234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7234] write(3, "1000", 4) = 4 [pid 7234] close(3) = 0 [pid 7234] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7234] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7234] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7234] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7235], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7235 [pid 7234] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7234] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7235 attached [pid 7235] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7234 [pid 7235] memfd_create("syzkaller", 0) = 3 [pid 7235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./107/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./107/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./107/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./107/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./107/bus") = 0 [pid 4998] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./107/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./107") = 0 [pid 7231] <... write resumed>) = 4194304 [pid 4998] mkdir("./108", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7236 ./strace-static-x86_64: Process 7236 attached [pid 7236] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7236] chdir("./108") = 0 [pid 7233] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7231] munmap(0x7f6a505d5000, 4194304 [pid 7236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7236] setpgid(0, 0) = 0 [pid 7236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7236] write(3, "1000", 4) = 4 [pid 7236] close(3) = 0 [pid 7236] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7236] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7231] <... munmap resumed>) = 0 [pid 7231] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7236] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7231] ioctl(4, LOOP_SET_FD, 3 [pid 7236] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7237], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7237 [pid 7236] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7236] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7237 attached [pid 7237] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7237] memfd_create("syzkaller", 0) = 3 [pid 7237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7235] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7231] <... ioctl resumed>) = 0 [pid 7237] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7231] close(3) = 0 [pid 7231] mkdir("./bus", 0777) = 0 [ 153.465357][ T7231] loop4: detected capacity change from 0 to 8192 [pid 7231] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7233] <... write resumed>) = 4194304 [pid 7233] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7233] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7233] ioctl(4, LOOP_SET_FD, 3 [pid 7237] <... write resumed>) = 4194304 [pid 7237] munmap(0x7f6a505d5000, 4194304 [pid 7233] <... ioctl resumed>) = 0 [ 153.506473][ T7231] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 153.527245][ T7231] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 153.527847][ T7233] loop3: detected capacity change from 0 to 8192 [ 153.536641][ T7231] REISERFS (device loop4): using ordered data mode [ 153.549337][ T7231] reiserfs: using flush barriers [pid 7233] close(3) = 0 [pid 7233] mkdir("./bus", 0777) = 0 [pid 7237] <... munmap resumed>) = 0 [pid 7233] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7237] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7237] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7235] <... write resumed>) = 4194304 [pid 7235] munmap(0x7f6a505d5000, 4194304 [pid 7237] close(3) = 0 [pid 7237] mkdir("./bus", 0777 [pid 7235] <... munmap resumed>) = 0 [pid 7235] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7237] <... mkdir resumed>) = 0 [pid 7235] <... openat resumed>) = 4 [pid 7237] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 153.555672][ T7231] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 153.572427][ T7231] REISERFS (device loop4): checking transaction log (loop4) [ 153.583564][ T7237] loop1: detected capacity change from 0 to 8192 [ 153.593402][ T7231] REISERFS (device loop4): Using r5 hash to sort names [ 153.594797][ T7235] loop0: detected capacity change from 0 to 8192 [pid 7235] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7235] close(3) = 0 [pid 7235] mkdir("./bus", 0777) = 0 [ 153.600453][ T7233] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 153.610454][ T7231] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 153.620725][ T7233] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 153.633055][ T7235] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 153.642858][ T7233] REISERFS (device loop3): using ordered data mode [ 153.655451][ T7237] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 153.661511][ T7231] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 153.674622][ T7237] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 153.683454][ T7233] reiserfs: using flush barriers [ 153.697865][ T7237] REISERFS (device loop1): using ordered data mode [pid 7235] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7231] <... mount resumed>) = 0 [pid 7231] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7231] chdir("./bus") = 0 [pid 7231] ioctl(4, LOOP_CLR_FD) = 0 [pid 7231] close(4) = 0 [pid 7231] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7231] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] <... futex resumed>) = 0 [ 153.698647][ T7235] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 153.704491][ T7237] reiserfs: using flush barriers [ 153.713775][ T7237] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 153.725040][ T7235] REISERFS (device loop0): using ordered data mode [ 153.742539][ T7235] reiserfs: using flush barriers [pid 7230] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = 1 [ 153.747737][ T7233] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 153.754933][ T7237] REISERFS (device loop1): checking transaction log (loop1) [ 153.766052][ T7233] REISERFS (device loop3): checking transaction log (loop3) [ 153.772547][ T7237] REISERFS (device loop1): Using r5 hash to sort names [ 153.779303][ T7235] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7230] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 153.786348][ T7237] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 153.802372][ T7235] REISERFS (device loop0): checking transaction log (loop0) [ 153.816305][ T7233] REISERFS (device loop3): Using r5 hash to sort names [ 153.822461][ T7237] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 153.842583][ T7233] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7231] mkdir("./file1", 000 [pid 7237] <... mount resumed>) = 0 [pid 7237] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7237] chdir("./bus" [pid 7231] <... mkdir resumed>) = 0 [pid 7237] <... chdir resumed>) = 0 [pid 7237] ioctl(4, LOOP_CLR_FD) = 0 [pid 7237] close(4) = 0 [pid 7237] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] <... futex resumed>) = 0 [pid 7236] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7236] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7237] <... futex resumed>) = 1 [pid 7237] mkdir("./file1", 000) = 0 [pid 7237] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] <... futex resumed>) = 0 [pid 7236] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7236] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7237] <... futex resumed>) = 1 [pid 7237] mkdir("./bus", 000) = 0 [pid 7237] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] <... futex resumed>) = 0 [pid 7236] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7236] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7237] <... futex resumed>) = 1 [pid 7237] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7233] <... mount resumed>) = 0 [pid 7233] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7233] chdir("./bus") = 0 [pid 7233] ioctl(4, LOOP_CLR_FD) = 0 [pid 7233] close(4) = 0 [pid 7233] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] <... futex resumed>) = 0 [pid 7232] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7232] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7233] <... futex resumed>) = 1 [pid 7233] mkdir("./file1", 000) = 0 [pid 7233] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] <... futex resumed>) = 0 [pid 7232] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7232] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7233] <... futex resumed>) = 1 [pid 7233] mkdir("./bus", 000) = 0 [pid 7233] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] <... futex resumed>) = 0 [pid 7232] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7232] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7233] <... futex resumed>) = 1 [pid 7233] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7230] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7231] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... mmap resumed>) = 0x7f6a509b4000 [pid 7231] <... futex resumed>) = 0 [pid 7230] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7236] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7236] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 7230] <... mprotect resumed>) = 0 [pid 7231] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7236] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7236] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7230] <... clone resumed>, parent_tid=[7242], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7242 [pid 7236] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7230] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7230] <... futex resumed>) = 0 [pid 7236] <... clone resumed>, parent_tid=[7243], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7243 [pid 7230] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7236] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7236] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7242 attached [pid 7242] set_robust_list(0x7f6a509d49e0, 24./strace-static-x86_64: Process 7243 attached [pid 7243] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7243] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7243] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7242] <... set_robust_list resumed>) = 0 [pid 7242] mkdir("./bus", 000) = 0 [pid 7242] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... futex resumed>) = 0 [ 153.847910][ T7237] overlayfs: upper fs needs to support d_type. [ 153.855650][ T7233] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 153.862538][ T7235] REISERFS (device loop0): Using r5 hash to sort names [ 153.878209][ T7233] overlayfs: upper fs needs to support d_type. [ 153.884404][ T7233] overlayfs: upper fs does not support tmpfile. [ 153.894878][ T7233] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7242] <... futex resumed>) = 1 [pid 7230] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7232] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7232] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7232] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7244], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7244 [pid 7232] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7232] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7242] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7231] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = 1 [pid 7231] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7230] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7244 attached [pid 7244] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7244] mkdir(".", 0777) = -1 EEXIST (File exists) [ 153.907336][ T7237] overlayfs: upper fs does not support tmpfile. [ 153.907455][ T7243] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 153.917674][ T7235] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 153.931390][ T7233] overlayfs: failed to resolve './file0': -2 [ 153.951777][ T7231] overlayfs: upper fs needs to support d_type. [pid 7244] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7243] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7243] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] <... futex resumed>) = 0 [pid 7243] <... futex resumed>) = 1 [pid 7243] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7244] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7244] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] <... futex resumed>) = 0 [pid 7244] <... futex resumed>) = 1 [pid 7244] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7235] <... mount resumed>) = 0 [pid 7235] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7235] chdir("./bus") = 0 [pid 7235] ioctl(4, LOOP_CLR_FD) = 0 [pid 7235] close(4) = 0 [pid 7235] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] <... futex resumed>) = 0 [pid 7234] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7234] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... futex resumed>) = 1 [pid 7235] mkdir("./file1", 000) = 0 [pid 7235] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] <... futex resumed>) = 0 [pid 7234] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7234] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... futex resumed>) = 1 [pid 7235] mkdir("./bus", 000) = 0 [pid 7235] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] <... futex resumed>) = 0 [pid 7234] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7234] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... futex resumed>) = 1 [pid 7235] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 153.953792][ T7244] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 153.964664][ T7231] overlayfs: upper fs does not support tmpfile. [ 153.974096][ T7235] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 153.980195][ T7237] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 153.992753][ T7235] overlayfs: upper fs needs to support d_type. [ 154.002366][ T7235] overlayfs: upper fs does not support tmpfile. [pid 7230] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = 1 [pid 7242] mkdir(".", 0777 [pid 7230] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7233] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7233] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7233] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7242] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7237] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7242] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7237] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] exit_group(0 [pid 7237] <... futex resumed>) = 0 [pid 7236] exit_group(0 [pid 7232] <... exit_group resumed>) = ? [pid 7236] <... exit_group resumed>) = ? [pid 7237] +++ exited with 0 +++ [pid 7233] <... futex resumed>) = ? [pid 7244] <... futex resumed>) = ? [pid 7243] <... futex resumed>) = ? [pid 7234] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7244] +++ exited with 0 +++ [pid 7243] +++ exited with 0 +++ [pid 7236] +++ exited with 0 +++ [pid 7234] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7236, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7233] +++ exited with 0 +++ [pid 7232] +++ exited with 0 +++ [pid 7234] <... futex resumed>) = 0 [pid 4998] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7232, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4998] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] umount2("./108/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7234] <... mmap resumed>) = 0x7f6a509b4000 [pid 5000] <... openat resumed>) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./108/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7234] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7234] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7245], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7245 [pid 7234] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7234] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7245 attached [pid 7242] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7245] set_robust_list(0x7f6a509d49e0, 24 [pid 7242] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] <... set_robust_list resumed>) = 0 [pid 7242] <... futex resumed>) = 1 [pid 7230] <... futex resumed>) = 0 [pid 7245] mkdir(".", 0777 [pid 7242] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7245] <... mkdir resumed>) = -1 EEXIST (File exists) [ 154.006640][ T7237] overlayfs: failed to resolve './file0': -2 [ 154.009981][ T7235] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 154.016442][ T7231] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 154.023817][ T7235] overlayfs: failed to resolve './file0': -2 [ 154.030750][ T7231] overlayfs: failed to resolve './file0': -2 [ 154.039668][ T7242] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7245] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7245] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] <... futex resumed>) = 0 [pid 7245] <... futex resumed>) = 1 [pid 7245] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7235] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7235] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7235] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7234] exit_group(0 [pid 7245] <... futex resumed>) = ? [pid 7235] <... futex resumed>) = ? [pid 7234] <... exit_group resumed>) = ? [pid 7231] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7245] +++ exited with 0 +++ [pid 7235] +++ exited with 0 +++ [pid 7234] +++ exited with 0 +++ [pid 7231] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7234, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 7230] exit_group(0 [pid 7231] <... futex resumed>) = 0 [pid 7231] ???( [pid 7242] <... futex resumed>) = ? [pid 7231] <... ??? resumed>) = ? [pid 7230] <... exit_group resumed>) = ? [pid 7242] +++ exited with 0 +++ [pid 7231] +++ exited with 0 +++ [pid 7230] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7230, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] fstat(3, [pid 5001] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4997] getdents64(3, [pid 5001] fstat(3, [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./107/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 154.076901][ T7245] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] umount2("./107/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./107/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./107/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./107/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./107/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./107/bus") = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 4998] umount2("./108/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./107/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./107") = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] mkdir("./108", 0777) = 0 [pid 4998] lstat("./108/bus", [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 5001] <... umount2 resumed>) = 0 [pid 5000] umount2("./108/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... close resumed>) = 0 [pid 4998] umount2("./108/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./108/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./108/bus", [pid 5001] umount2("./107/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... close resumed>) = 0 [pid 5000] umount2("./108/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] rmdir("./108/bus" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7246 [pid 5000] openat(AT_FDCWD, "./108/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... rmdir resumed>) = 0 [pid 5001] lstat("./107/bus", ./strace-static-x86_64: Process 7246 attached [pid 4998] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7246] set_robust_list(0x5555564f86e0, 24 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7246] <... set_robust_list resumed>) = 0 [pid 4998] lstat("./108/binderfs", [pid 5000] <... openat resumed>) = 4 [pid 7246] chdir("./108") = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./108/binderfs" [pid 5000] fstat(4, [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7246] setpgid(0, 0 [pid 4998] <... unlink resumed>) = 0 [pid 7246] <... setpgid resumed>) = 0 [pid 4998] getdents64(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] getdents64(4, [pid 5001] umount2("./107/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] close(3 [pid 7246] <... openat resumed>) = 3 [pid 7246] write(3, "1000", 4) = 4 [pid 7246] close(3) = 0 [pid 7246] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7246] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 4998] <... close resumed>) = 0 [pid 7246] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, [pid 4998] rmdir("./108" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7246] <... mprotect resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./107/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] mkdir("./109", 0777 [pid 7246] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] close(4 [pid 7246] <... clone resumed>, parent_tid=[7247], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7247 [pid 5001] <... openat resumed>) = 4 [pid 7246] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7246] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] fstat(4, [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./108/bus"./strace-static-x86_64: Process 7247 attached [pid 7247] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7247] memfd_create("syzkaller", 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5001] getdents64(4, [pid 7247] <... memfd_create resumed>) = 3 [pid 7247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4998] <... mkdir resumed>) = 0 [pid 7247] <... mmap resumed>) = 0x7f6a505d5000 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(4, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4 [pid 5000] lstat("./108/binderfs", [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] <... close resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] rmdir("./107/bus" [pid 4998] <... openat resumed>) = 3 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] unlink("./108/binderfs" [pid 4998] ioctl(3, LOOP_CLR_FD [pid 5000] <... unlink resumed>) = 0 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] getdents64(3, [pid 4998] close(3 [pid 5001] lstat("./107/binderfs", [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] <... close resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] close(3 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] unlink("./107/binderfs" [pid 5000] <... close resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5000] rmdir("./108" [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7248 ./strace-static-x86_64: Process 7248 attached [pid 7248] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7248] chdir("./109" [pid 5001] getdents64(3, [pid 5000] <... rmdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] mkdir("./109", 0777 [pid 7248] <... chdir resumed>) = 0 [pid 7248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7248] setpgid(0, 0 [pid 5000] <... mkdir resumed>) = 0 [pid 5001] close(3 [pid 7248] <... setpgid resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] rmdir("./107" [pid 5000] <... openat resumed>) = 3 [pid 7248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... rmdir resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] mkdir("./108", 0777 [pid 7248] <... openat resumed>) = 3 [pid 7248] write(3, "1000", 4) = 4 [pid 7248] close(3) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] close(3 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7248] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... close resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7248] <... symlink resumed>) = 0 [pid 7248] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 7248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7249 [pid 5001] close(3) = 0 [pid 7248] <... mmap resumed>) = 0x7f6a589d5000 [pid 7248] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7248] <... mprotect resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7250 [pid 7248] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7251], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7251 [pid 7248] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7248] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7249 attached [pid 7249] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7249] chdir("./109") = 0 [pid 7249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7249] setpgid(0, 0) = 0 [pid 7249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7249] write(3, "1000", 4) = 4 [pid 7249] close(3) = 0 [pid 7249] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 7250 attached [pid 7249] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7251 attached [pid 7249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7251] set_robust_list(0x7f6a589f59e0, 24 [pid 7249] <... mmap resumed>) = 0x7f6a589d5000 [pid 7251] <... set_robust_list resumed>) = 0 [pid 7249] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7251] memfd_create("syzkaller", 0 [pid 7250] set_robust_list(0x5555564f86e0, 24 [pid 7249] <... mprotect resumed>) = 0 [pid 7251] <... memfd_create resumed>) = 3 [pid 7250] <... set_robust_list resumed>) = 0 [pid 7249] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7247] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7249] <... clone resumed>, parent_tid=[7252], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7252 [pid 7250] chdir("./108" [pid 7249] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] <... chdir resumed>) = 0 [pid 7249] <... futex resumed>) = 0 [pid 7249] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7252 attached [pid 7250] setpgid(0, 0 [pid 7252] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7252] memfd_create("syzkaller", 0) = 3 [pid 7252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7250] <... setpgid resumed>) = 0 [pid 7250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7252] <... mmap resumed>) = 0x7f6a505d5000 [pid 7250] <... openat resumed>) = 3 [pid 7250] write(3, "1000", 4) = 4 [pid 7250] close(3) = 0 [pid 7250] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7250] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7250] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7250] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7253], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7253 [pid 7250] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7253 attached [pid 7250] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7253] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7253] memfd_create("syzkaller", 0) = 3 [pid 7253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7251] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7252] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7247] <... write resumed>) = 4194304 [pid 7247] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7247] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7253] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7247] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7247] close(3) = 0 [pid 7247] mkdir("./bus", 0777) = 0 [pid 7247] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7251] <... write resumed>) = 4194304 [pid 7251] munmap(0x7f6a505d5000, 4194304 [pid 7252] <... write resumed>) = 4194304 [pid 7252] munmap(0x7f6a505d5000, 4194304 [pid 7251] <... munmap resumed>) = 0 [pid 7252] <... munmap resumed>) = 0 [pid 7251] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7252] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7252] ioctl(4, LOOP_SET_FD, 3 [pid 7251] <... openat resumed>) = 4 [ 154.328106][ T7247] loop0: detected capacity change from 0 to 8192 [ 154.361581][ T7247] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7253] <... write resumed>) = 4194304 [pid 7251] ioctl(4, LOOP_SET_FD, 3 [pid 7252] <... ioctl resumed>) = 0 [pid 7252] close(3) = 0 [pid 7252] mkdir("./bus", 0777) = 0 [pid 7252] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7253] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7253] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7253] ioctl(4, LOOP_SET_FD, 3 [pid 7251] <... ioctl resumed>) = 0 [pid 7251] close(3) = 0 [pid 7251] mkdir("./bus", 0777) = 0 [ 154.379695][ T7252] loop3: detected capacity change from 0 to 8192 [ 154.383522][ T7247] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 154.395910][ T7251] loop1: detected capacity change from 0 to 8192 [ 154.396493][ T7252] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 154.403550][ T7253] loop4: detected capacity change from 0 to 8192 [pid 7251] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7253] <... ioctl resumed>) = 0 [pid 7253] close(3) = 0 [pid 7253] mkdir("./bus", 0777) = 0 [ 154.415807][ T7252] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 154.425581][ T7247] REISERFS (device loop0): using ordered data mode [ 154.431329][ T7252] REISERFS (device loop3): using ordered data mode [ 154.441140][ T7247] reiserfs: using flush barriers [ 154.444506][ T7251] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 154.449979][ T7252] reiserfs: using flush barriers [ 154.467027][ T7251] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 154.467596][ T7247] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 154.492421][ T7253] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 154.493619][ T7252] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 154.505999][ T7247] REISERFS (device loop0): checking transaction log (loop0) [ 154.522126][ T7252] REISERFS (device loop3): checking transaction log (loop3) [ 154.529079][ T7253] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 154.537282][ T7252] REISERFS (device loop3): Using r5 hash to sort names [ 154.545829][ T7251] REISERFS (device loop1): using ordered data mode [ 154.553022][ T7252] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 154.571509][ T7251] reiserfs: using flush barriers [pid 7253] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7252] <... mount resumed>) = 0 [pid 7252] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7252] chdir("./bus") = 0 [pid 7252] ioctl(4, LOOP_CLR_FD) = 0 [pid 7252] close(4) = 0 [pid 7252] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 0 [pid 7249] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7249] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] <... futex resumed>) = 1 [pid 7252] mkdir("./file1", 000) = 0 [pid 7252] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 0 [pid 7249] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7249] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] <... futex resumed>) = 1 [pid 7252] mkdir("./bus", 000) = 0 [pid 7252] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 0 [pid 7249] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7249] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] <... futex resumed>) = 1 [ 154.576576][ T7251] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 154.577785][ T7252] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 154.592994][ T7253] REISERFS (device loop4): using ordered data mode [ 154.610167][ T7252] overlayfs: upper fs needs to support d_type. [ 154.617302][ T7252] overlayfs: upper fs does not support tmpfile. [ 154.624232][ T7247] REISERFS (device loop0): Using r5 hash to sort names [ 154.624714][ T7252] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 154.636899][ T7247] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 154.640356][ T7252] overlayfs: failed to resolve './file0': -2 [ 154.651228][ T7251] REISERFS (device loop1): checking transaction log (loop1) [ 154.658360][ T7253] reiserfs: using flush barriers [ 154.664348][ T7247] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7252] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7247] <... mount resumed>) = 0 [pid 7252] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7249] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 0 [pid 7252] <... futex resumed>) = 0 [pid 7249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7252] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] <... mmap resumed>) = 0x7f6a509b4000 [pid 7249] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7249] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7258], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7258 [pid 7249] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7249] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7258 attached [pid 7258] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7258] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7258] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 154.671052][ T7253] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 154.696940][ T7251] REISERFS (device loop1): Using r5 hash to sort names [ 154.701071][ T7258] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 154.704776][ T7251] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7247] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7258] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7258] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 0 [pid 7249] exit_group(0 [pid 7252] <... futex resumed>) = ? [pid 7249] <... exit_group resumed>) = ? [pid 7252] +++ exited with 0 +++ [pid 7258] <... futex resumed>) = ? [pid 7247] chdir("./bus") = 0 [pid 7247] ioctl(4, LOOP_CLR_FD) = 0 [pid 7247] close(4) = 0 [pid 7258] +++ exited with 0 +++ [pid 7249] +++ exited with 0 +++ [pid 7247] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7249, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 7247] <... futex resumed>) = 1 [pid 7246] <... futex resumed>) = 0 [pid 7246] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7247] mkdir("./file1", 000 [pid 7246] <... futex resumed>) = 0 [pid 7246] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7247] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7247] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 7247] <... futex resumed>) = 1 [pid 7246] <... futex resumed>) = 0 [pid 7246] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7246] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] fstat(3, [pid 7247] mkdir("./bus", 000) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7247] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] getdents64(3, [pid 7247] <... futex resumed>) = 1 [pid 7246] <... futex resumed>) = 0 [pid 7246] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7246] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7247] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 154.719094][ T7253] REISERFS (device loop4): checking transaction log (loop4) [ 154.742389][ T7251] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 154.752471][ T7253] REISERFS (device loop4): Using r5 hash to sort names [ 154.766056][ T7247] overlayfs: upper fs needs to support d_type. [pid 5000] umount2("./109/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7251] <... mount resumed>) = 0 [pid 7251] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7251] chdir("./bus") = 0 [pid 7251] ioctl(4, LOOP_CLR_FD) = 0 [pid 7251] close(4) = 0 [pid 7251] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] <... futex resumed>) = 0 [pid 7248] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7248] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7251] <... futex resumed>) = 1 [pid 7251] mkdir("./file1", 000) = 0 [pid 7251] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] <... futex resumed>) = 0 [pid 7248] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7248] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7251] <... futex resumed>) = 1 [pid 7251] mkdir("./bus", 000) = 0 [pid 7251] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] <... futex resumed>) = 0 [pid 7248] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7248] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7251] <... futex resumed>) = 1 [pid 7251] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7253] <... mount resumed>) = 0 [pid 7253] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7246] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7246] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7246] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7246] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7253] <... openat resumed>) = 3 [pid 7246] <... clone resumed>, parent_tid=[7259], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7259 [pid 7253] chdir("./bus" [pid 7246] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] <... chdir resumed>) = 0 [pid 7246] <... futex resumed>) = 0 [pid 7246] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7253] ioctl(4, LOOP_CLR_FD) = 0 [pid 7253] close(4) = 0 [pid 7253] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7250] <... futex resumed>) = 0 [pid 7250] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] mkdir("./file1", 000 [pid 7250] <... futex resumed>) = 0 [pid 7250] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7253] <... mkdir resumed>) = 0 [pid 7253] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7250] <... futex resumed>) = 0 [pid 7253] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7250] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7253] mkdir("./bus", 000) = 0 [pid 7253] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7250] <... futex resumed>) = 0 [pid 7250] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7253] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7250] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7259 attached [pid 7259] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7259] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7259] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7248] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7248] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7248] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7248] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7260], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7260 [pid 7248] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 154.766470][ T7253] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 154.786413][ T7247] overlayfs: upper fs does not support tmpfile. [ 154.786835][ T7253] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 154.802482][ T7251] overlayfs: upper fs needs to support d_type. [ 154.805727][ T7247] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 154.823408][ T7253] overlayfs: upper fs needs to support d_type. [pid 7248] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7250] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7250] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7250] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7250] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7261], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7261 [pid 7250] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7250] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7260 attached ./strace-static-x86_64: Process 7261 attached [pid 7261] set_robust_list(0x7f6a509d49e0, 24 [pid 7260] set_robust_list(0x7f6a509d49e0, 24 [pid 7261] <... set_robust_list resumed>) = 0 [pid 7260] <... set_robust_list resumed>) = 0 [pid 7261] mkdir(".", 0777 [ 154.836251][ T7251] overlayfs: upper fs does not support tmpfile. [ 154.839175][ T7253] overlayfs: upper fs does not support tmpfile. [ 154.840709][ T7259] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 154.861345][ T7253] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 154.873942][ T7251] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 154.882856][ T7251] overlayfs: failed to resolve './file0': -2 [pid 7260] mkdir(".", 0777 [pid 7261] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7260] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7259] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7261] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7260] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7259] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7259] <... futex resumed>) = 1 [pid 7251] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] <... futex resumed>) = 0 [pid 7259] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7251] <... futex resumed>) = 0 [pid 7251] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7253] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7253] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./109/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./109/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./109/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./109/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4 [pid 7253] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./109/bus") = 0 [pid 5000] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./109/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./109") = 0 [pid 5000] mkdir("./110", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7261] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7260] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7253] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7261] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... futex resumed>) = 1 [pid 7260] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7261] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7260] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] exit_group(0 [pid 7260] <... futex resumed>) = ? [pid 7248] <... exit_group resumed>) = ? [pid 7260] +++ exited with 0 +++ [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 7251] <... futex resumed>) = ? [pid 7250] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7262 [pid 7250] exit_group(0 [pid 7251] +++ exited with 0 +++ [pid 7248] +++ exited with 0 +++ [pid 7261] <... futex resumed>) = ? [pid 7253] <... futex resumed>) = ? [pid 7250] <... exit_group resumed>) = ? [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7248, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 7261] +++ exited with 0 +++ [pid 7253] +++ exited with 0 +++ [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, [pid 7250] +++ exited with 0 +++ [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7250, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./109/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7262 attached [pid 7247] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7262] set_robust_list(0x5555564f86e0, 24 [pid 5001] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7262] <... set_robust_list resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7262] chdir("./110" [pid 7247] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [ 154.890569][ T7253] overlayfs: failed to resolve './file0': -2 [ 154.896597][ T7247] overlayfs: failed to resolve './file0': -2 [ 154.909376][ T7261] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 154.924191][ T7260] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7262] <... chdir resumed>) = 0 [pid 7247] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 7262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7247] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] exit_group(0 [pid 5001] fstat(3, [pid 7262] <... prctl resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7262] setpgid(0, 0 [pid 5001] getdents64(3, [pid 7262] <... setpgid resumed>) = 0 [pid 7259] <... futex resumed>) = ? [pid 7247] <... futex resumed>) = ? [pid 7246] <... exit_group resumed>) = ? [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7259] +++ exited with 0 +++ [pid 7247] +++ exited with 0 +++ [pid 5001] umount2("./108/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7262] <... openat resumed>) = 3 [pid 7246] +++ exited with 0 +++ [pid 7262] write(3, "1000", 4 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7246, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 7262] <... write resumed>) = 4 [pid 7262] close(3) = 0 [pid 7262] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7262] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7262] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7262] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4997] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7262] <... mprotect resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 7262] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7262] <... clone resumed>, parent_tid=[7263], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7263 [pid 4997] getdents64(3, [pid 7262] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7262] <... futex resumed>) = 0 [pid 4997] umount2("./108/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7262] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7263 attached [pid 7263] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7263] memfd_create("syzkaller", 0) = 3 [pid 7263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] <... umount2 resumed>) = 0 [pid 7263] <... mmap resumed>) = 0x7f6a505d5000 [pid 5001] umount2("./108/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./108/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./108/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./108/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./108/bus") = 0 [pid 5001] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./108/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./108") = 0 [pid 5001] mkdir("./109", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = 0 [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7264 ./strace-static-x86_64: Process 7264 attached [pid 7264] set_robust_list(0x5555564f86e0, 24) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 7264] chdir("./109" [pid 4998] umount2("./109/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7264] <... chdir resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4998] lstat("./109/bus", [pid 7264] setpgid(0, 0) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] umount2("./109/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7264] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7264] write(3, "1000", 4 [pid 4998] openat(AT_FDCWD, "./109/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7264] <... write resumed>) = 4 [pid 7264] close(3) = 0 [pid 4998] <... openat resumed>) = 4 [pid 7264] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4998] fstat(4, [pid 7264] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7264] <... futex resumed>) = 0 [pid 7264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] getdents64(4, [pid 7264] <... mmap resumed>) = 0x7f6a589d5000 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... umount2 resumed>) = 0 [pid 7264] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] getdents64(4, [pid 7264] <... mprotect resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] umount2("./108/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7264] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] close(4 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... close resumed>) = 0 [pid 4997] lstat("./108/bus", [pid 7264] <... clone resumed>, parent_tid=[7265], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7265 [pid 4998] rmdir("./109/bus" [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7264] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... rmdir resumed>) = 0 [pid 7264] <... futex resumed>) = 0 [pid 4998] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./108/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7264] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./109/binderfs", [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] openat(AT_FDCWD, "./108/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] unlink("./109/binderfs") = 0 [pid 4997] <... openat resumed>) = 4 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3 [pid 4997] fstat(4, [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./109" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] getdents64(4, [pid 4998] mkdir("./110", 0777 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] getdents64(4, ./strace-static-x86_64: Process 7265 attached [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7265] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4997] close(4 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 4997] <... close resumed>) = 0 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] close(3 [pid 4997] rmdir("./108/bus" [pid 7265] memfd_create("syzkaller", 0 [pid 4998] <... close resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 7265] <... memfd_create resumed>) = 3 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7265] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7266 attached [pid 7266] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7266] chdir("./110") = 0 [pid 7266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7266] setpgid(0, 0) = 0 [pid 7266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7266] write(3, "1000", 4) = 4 [pid 7266] close(3 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7266 [pid 4997] lstat("./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./108/binderfs" [pid 7266] <... close resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, [pid 7266] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7263] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] close(3 [pid 7266] <... symlink resumed>) = 0 [pid 7266] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./108" [pid 7266] <... futex resumed>) = 0 [pid 7266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] <... rmdir resumed>) = 0 [pid 7266] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] mkdir("./109", 0777 [pid 7266] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 7266] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7266] <... clone resumed>, parent_tid=[7267], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7267 [pid 4997] <... openat resumed>) = 3 [pid 7266] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 7266] <... futex resumed>) = 0 [pid 7266] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 ./strace-static-x86_64: Process 7267 attached [pid 7267] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7267] memfd_create("syzkaller", 0) = 3 [pid 7267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7268 ./strace-static-x86_64: Process 7268 attached [pid 7268] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7268] chdir("./109") = 0 [pid 7268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7268] setpgid(0, 0) = 0 [pid 7268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7268] write(3, "1000", 4) = 4 [pid 7268] close(3) = 0 [pid 7268] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7268] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7268] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7268] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7269], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7269 [pid 7268] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7269 attached ) = 0 [pid 7265] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7269] set_robust_list(0x7f6a589f59e0, 24 [pid 7268] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7269] <... set_robust_list resumed>) = 0 [pid 7269] memfd_create("syzkaller", 0) = 3 [pid 7269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7267] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7263] <... write resumed>) = 4194304 [pid 7263] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7263] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7263] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7263] close(3) = 0 [pid 7263] mkdir("./bus", 0777) = 0 [pid 7263] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7267] <... write resumed>) = 4194304 [pid 7267] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7267] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7267] ioctl(4, LOOP_SET_FD, 3 [pid 7265] <... write resumed>) = 4194304 [pid 7267] <... ioctl resumed>) = 0 [pid 7267] close(3) = 0 [pid 7267] mkdir("./bus", 0777) = 0 [pid 7267] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7269] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7265] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7265] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 155.169914][ T7263] loop3: detected capacity change from 0 to 8192 [ 155.188098][ T7263] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 155.200738][ T7267] loop1: detected capacity change from 0 to 8192 [pid 7265] ioctl(4, LOOP_SET_FD, 3) = 0 [ 155.213597][ T7263] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 155.221360][ T7265] loop4: detected capacity change from 0 to 8192 [ 155.229722][ T7263] REISERFS (device loop3): using ordered data mode [ 155.229859][ T7267] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 155.236269][ T7263] reiserfs: using flush barriers [pid 7265] close(3 [pid 7269] <... write resumed>) = 4194304 [pid 7265] <... close resumed>) = 0 [pid 7269] munmap(0x7f6a505d5000, 4194304 [pid 7265] mkdir("./bus", 0777 [pid 7269] <... munmap resumed>) = 0 [pid 7265] <... mkdir resumed>) = 0 [pid 7265] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7269] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 155.255092][ T7263] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 155.271530][ T7267] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 155.272414][ T7263] REISERFS (device loop3): checking transaction log (loop3) [ 155.284147][ T7267] REISERFS (device loop1): using ordered data mode [ 155.289563][ T7263] REISERFS (device loop3): Using r5 hash to sort names [ 155.294722][ T7267] reiserfs: using flush barriers [ 155.302731][ T7263] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7269] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7269] close(3) = 0 [pid 7269] mkdir("./bus", 0777) = 0 [pid 7269] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7263] <... mount resumed>) = 0 [pid 7263] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7263] chdir("./bus") = 0 [pid 7263] ioctl(4, LOOP_CLR_FD) = 0 [pid 7263] close(4) = 0 [pid 7263] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 155.310858][ T7269] loop0: detected capacity change from 0 to 8192 [ 155.319895][ T7263] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 155.326018][ T7267] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 155.351846][ T7265] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7263] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7262] <... futex resumed>) = 0 [pid 7262] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... futex resumed>) = 0 [pid 7262] <... futex resumed>) = 1 [pid 7263] mkdir("./file1", 000 [pid 7262] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7263] <... mkdir resumed>) = 0 [pid 7263] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7262] <... futex resumed>) = 0 [pid 7263] mkdir("./bus", 000 [pid 7262] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... mkdir resumed>) = 0 [pid 7262] <... futex resumed>) = 0 [pid 7263] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7263] <... futex resumed>) = 0 [pid 7262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7263] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7262] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 155.353445][ T7267] REISERFS (device loop1): checking transaction log (loop1) [ 155.365555][ T7265] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 155.378303][ T7269] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 155.381958][ T7265] REISERFS (device loop4): using ordered data mode [ 155.394574][ T7269] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 155.403210][ T7263] overlayfs: upper fs needs to support d_type. [pid 7262] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [ 155.410281][ T7269] REISERFS (device loop0): using ordered data mode [ 155.422776][ T7269] reiserfs: using flush barriers [ 155.426254][ T7267] REISERFS (device loop1): Using r5 hash to sort names [ 155.428473][ T7265] reiserfs: using flush barriers [ 155.436909][ T7269] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 155.440712][ T7263] overlayfs: upper fs does not support tmpfile. [pid 7262] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7262] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7262] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7274 attached , parent_tid=[7274], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7274 [pid 7274] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7262] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7274] mkdir(".", 0777 [pid 7262] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7274] <... mkdir resumed>) = -1 EEXIST (File exists) [ 155.462116][ T7265] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 155.479916][ T7267] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 155.495956][ T7263] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 155.496563][ T7269] REISERFS (device loop0): checking transaction log (loop0) [ 155.503986][ T7265] REISERFS (device loop4): checking transaction log (loop4) [ 155.512694][ T7269] REISERFS (device loop0): Using r5 hash to sort names [ 155.519813][ T7263] overlayfs: failed to resolve './file0': -2 [ 155.526187][ T7269] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 155.531943][ T7267] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 155.545129][ T7269] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7274] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7269] <... mount resumed>) = 0 [pid 7269] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7269] chdir("./bus") = 0 [pid 7269] ioctl(4, LOOP_CLR_FD) = 0 [pid 7269] close(4) = 0 [pid 7269] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... futex resumed>) = 0 [pid 7268] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7268] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7269] <... futex resumed>) = 1 [pid 7269] mkdir("./file1", 000) = 0 [pid 7269] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... futex resumed>) = 0 [pid 7268] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7268] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7269] <... futex resumed>) = 1 [pid 7269] mkdir("./bus", 000) = 0 [pid 7269] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... futex resumed>) = 0 [pid 7268] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7268] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7269] <... futex resumed>) = 1 [pid 7269] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7267] <... mount resumed>) = 0 [pid 7267] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7267] chdir("./bus") = 0 [pid 7267] ioctl(4, LOOP_CLR_FD) = 0 [pid 7267] close(4) = 0 [pid 7267] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] <... futex resumed>) = 0 [pid 7266] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7266] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7267] <... futex resumed>) = 1 [pid 7267] mkdir("./file1", 000) = 0 [pid 7267] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] <... futex resumed>) = 0 [pid 7266] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7266] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7267] <... futex resumed>) = 1 [pid 7267] mkdir("./bus", 000) = 0 [pid 7267] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] <... futex resumed>) = 0 [pid 7266] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7266] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7267] <... futex resumed>) = 1 [pid 7267] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7263] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7263] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7263] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7274] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7274] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7274] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7262] <... futex resumed>) = 0 [pid 7262] exit_group(0 [pid 7263] <... futex resumed>) = ? [ 155.554052][ T7274] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 155.579323][ T7269] overlayfs: upper fs needs to support d_type. [ 155.585540][ T7269] overlayfs: upper fs does not support tmpfile. [ 155.592460][ T7267] overlayfs: upper fs needs to support d_type. [ 155.592792][ T7269] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 155.605776][ T7267] overlayfs: upper fs does not support tmpfile. [ 155.610367][ T7269] overlayfs: failed to resolve './file0': -2 [pid 7262] <... exit_group resumed>) = ? [pid 7274] <... futex resumed>) = ? [pid 7268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7266] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7263] +++ exited with 0 +++ [pid 7268] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... futex resumed>) = 0 [pid 7266] <... futex resumed>) = 0 [pid 7268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7274] +++ exited with 0 +++ [pid 7269] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7268] <... mmap resumed>) = 0x7f6a509b4000 [pid 7266] <... mmap resumed>) = 0x7f6a509b4000 [pid 7262] +++ exited with 0 +++ [pid 7268] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7266] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7262, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7269] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... mprotect resumed>) = 0 [pid 7266] <... mprotect resumed>) = 0 [pid 7268] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7269] <... futex resumed>) = 0 [pid 7266] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7269] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7268] <... clone resumed>, parent_tid=[7275], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7275 [pid 5000] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7268] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] <... clone resumed>, parent_tid=[7276], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7276 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7268] <... futex resumed>) = 0 [pid 7266] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7268] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7266] <... futex resumed>) = 0 [pid 7266] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... openat resumed>) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./110/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7267] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7267] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 155.612932][ T7265] REISERFS (device loop4): Using r5 hash to sort names [ 155.620394][ T7267] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 155.642479][ T7267] overlayfs: failed to resolve './file0': -2 [pid 7267] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7276 attached ./strace-static-x86_64: Process 7275 attached [pid 7276] set_robust_list(0x7f6a509d49e0, 24 [pid 7275] set_robust_list(0x7f6a509d49e0, 24 [pid 7276] <... set_robust_list resumed>) = 0 [pid 7275] <... set_robust_list resumed>) = 0 [pid 7276] mkdir(".", 0777 [pid 7275] mkdir(".", 0777 [pid 7276] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7275] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7276] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7275] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7265] <... mount resumed>) = 0 [pid 7265] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7265] chdir("./bus") = 0 [pid 7265] ioctl(4, LOOP_CLR_FD) = 0 [pid 7265] close(4) = 0 [pid 7265] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = 0 [pid 7264] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7264] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7265] <... futex resumed>) = 1 [pid 7265] mkdir("./file1", 000) = 0 [pid 7265] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = 0 [pid 7264] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7264] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7265] <... futex resumed>) = 1 [pid 7265] mkdir("./bus", 000) = 0 [pid 7265] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = 0 [pid 7264] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7264] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7265] <... futex resumed>) = 1 [ 155.660390][ T7265] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 155.675816][ T7265] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 155.688368][ T7276] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 155.705186][ T7275] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7265] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7276] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7275] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./110/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7276] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] lstat("./110/bus", [pid 7276] <... futex resumed>) = 1 [pid 7266] <... futex resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7276] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7275] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] exit_group(0 [pid 5000] umount2("./110/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7276] <... futex resumed>) = ? [pid 7266] <... exit_group resumed>) = ? [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7268] <... futex resumed>) = 0 [pid 7276] +++ exited with 0 +++ [pid 7268] exit_group(0 [pid 7267] <... futex resumed>) = ? [pid 5000] openat(AT_FDCWD, "./110/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7275] <... futex resumed>) = ? [pid 7269] <... futex resumed>) = ? [pid 7268] <... exit_group resumed>) = ? [pid 7267] +++ exited with 0 +++ [pid 7266] +++ exited with 0 +++ [pid 5000] <... openat resumed>) = 4 [pid 7269] +++ exited with 0 +++ [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./110/bus" [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7266, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 7275] +++ exited with 0 +++ [pid 7268] +++ exited with 0 +++ [pid 5000] <... rmdir resumed>) = 0 [pid 5000] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7268, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5000] lstat("./110/binderfs", [pid 4997] <... restart_syscall resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./110/binderfs" [pid 4997] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... unlink resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] getdents64(3, [pid 4997] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] <... openat resumed>) = 3 [pid 5000] close(3 [pid 4997] fstat(3, [pid 5000] <... close resumed>) = 0 [pid 4998] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] rmdir("./110" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] getdents64(3, [pid 4998] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4997] umount2("./109/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] mkdir("./111", 0777 [pid 4998] fstat(3, [pid 7264] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7264] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7264] <... futex resumed>) = 0 [pid 7264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] getdents64(3, [pid 7264] <... mmap resumed>) = 0x7f6a509b4000 [pid 7264] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7264] <... mprotect resumed>) = 0 [pid 7264] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... mkdir resumed>) = 0 [pid 4998] umount2("./110/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7264] <... clone resumed>, parent_tid=[7277], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7277 [pid 7264] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7264] <... futex resumed>) = 0 [pid 7264] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7277 attached [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 7277] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7277] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7265] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7278 [pid 7277] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7265] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7265] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7278 attached [pid 7278] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7278] chdir("./111") = 0 [pid 7278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7278] setpgid(0, 0) = 0 [pid 7278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 155.705426][ T7265] overlayfs: upper fs needs to support d_type. [ 155.727698][ T7265] overlayfs: upper fs does not support tmpfile. [ 155.751048][ T7265] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 155.761007][ T7265] overlayfs: failed to resolve './file0': -2 [pid 7278] write(3, "1000", 4) = 4 [pid 7278] close(3) = 0 [pid 7278] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7278] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7278] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7278] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7279], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7279 [pid 7278] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7278] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7279 attached [pid 7279] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7279] memfd_create("syzkaller", 0) = 3 [pid 7279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7277] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = 0 [pid 7279] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7277] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... umount2 resumed>) = 0 [pid 4997] umount2("./109/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7277] <... futex resumed>) = 1 [pid 7264] <... futex resumed>) = 0 [pid 7277] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7264] exit_group(0 [pid 7277] <... futex resumed>) = ? [pid 7265] <... futex resumed>) = ? [pid 7264] <... exit_group resumed>) = ? [pid 4998] umount2("./110/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7277] +++ exited with 0 +++ [pid 7265] +++ exited with 0 +++ [pid 7264] +++ exited with 0 +++ [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./109/bus", [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7264, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 4998] lstat("./110/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./110/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./109/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] fstat(3, [pid 4998] openat(AT_FDCWD, "./110/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] openat(AT_FDCWD, "./109/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... openat resumed>) = 4 [pid 4997] <... openat resumed>) = 4 [pid 5001] getdents64(3, [pid 4998] fstat(4, [pid 4997] fstat(4, [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./109/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(4, [pid 4997] getdents64(4, [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, [pid 4997] getdents64(4, [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4 [ 155.798533][ T7277] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] close(4 [pid 4998] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 4998] rmdir("./110/bus" [pid 4997] rmdir("./109/bus" [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4998] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./110/binderfs", [pid 4997] lstat("./109/binderfs", [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7279] <... write resumed>) = 4194304 [pid 4998] unlink("./110/binderfs" [pid 4997] unlink("./109/binderfs" [pid 4998] <... unlink resumed>) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./110") = 0 [pid 4998] mkdir("./111", 0777 [pid 7279] munmap(0x7f6a505d5000, 4194304 [pid 4998] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] <... unlink resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] getdents64(3, [pid 4998] close(3) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7280 [pid 7279] <... munmap resumed>) = 0 [pid 7279] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7279] ioctl(4, LOOP_SET_FD, 3 [pid 4997] close(3) = 0 ./strace-static-x86_64: Process 7280 attached [pid 7280] set_robust_list(0x5555564f86e0, 24 [pid 4997] rmdir("./109" [pid 7280] <... set_robust_list resumed>) = 0 [pid 7280] chdir("./111") = 0 [pid 7280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7280] setpgid(0, 0) = 0 [pid 7280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7280] write(3, "1000", 4) = 4 [pid 7280] close(3) = 0 [pid 7280] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... rmdir resumed>) = 0 [pid 7280] <... symlink resumed>) = 0 [pid 7280] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7280] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7280] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7281], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7281 [pid 7280] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7280] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7281 attached [pid 7281] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7281] memfd_create("syzkaller", 0) = 3 [pid 7281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] mkdir("./110", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7282 [pid 7279] <... ioctl resumed>) = 0 [pid 7279] close(3) = 0 [pid 7279] mkdir("./bus", 0777./strace-static-x86_64: Process 7282 attached [pid 7282] set_robust_list(0x5555564f86e0, 24 [pid 7279] <... mkdir resumed>) = 0 [pid 7279] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7282] <... set_robust_list resumed>) = 0 [pid 7282] chdir("./110") = 0 [pid 7282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7282] setpgid(0, 0) = 0 [pid 7282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7282] write(3, "1000", 4) = 4 [pid 7282] close(3) = 0 [pid 7282] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7282] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7282] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7282] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7284], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7284 [pid 7282] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7282] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7284 attached [pid 7284] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7284] memfd_create("syzkaller", 0) = 3 [pid 7284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./109/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./109/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./109/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./109/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./109/bus") = 0 [pid 5001] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./109/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./109") = 0 [pid 5001] mkdir("./110", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7281] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7285 [ 155.878134][ T7279] loop3: detected capacity change from 0 to 8192 [ 155.904982][ T7279] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 ./strace-static-x86_64: Process 7285 attached [pid 7284] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7285] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7285] chdir("./110") = 0 [pid 7285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7285] setpgid(0, 0) = 0 [pid 7285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7281] <... write resumed>) = 4194304 [pid 7285] write(3, "1000", 4 [pid 7281] munmap(0x7f6a505d5000, 4194304 [pid 7285] <... write resumed>) = 4 [pid 7284] <... write resumed>) = 4194304 [pid 7281] <... munmap resumed>) = 0 [ 155.959403][ T7279] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 155.972131][ T7279] REISERFS (device loop3): using ordered data mode [ 155.979876][ T7279] reiserfs: using flush barriers [ 155.987866][ T7279] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7285] close(3 [pid 7281] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7285] <... close resumed>) = 0 [pid 7281] <... openat resumed>) = 4 [pid 7285] symlink("/dev/binderfs", "./binderfs" [pid 7281] ioctl(4, LOOP_SET_FD, 3 [pid 7285] <... symlink resumed>) = 0 [pid 7281] <... ioctl resumed>) = 0 [pid 7285] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7285] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7285] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7286], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7286 [pid 7285] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7285] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7281] close(3) = 0 [pid 7281] mkdir("./bus", 0777) = 0 [pid 7281] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7284] munmap(0x7f6a505d5000, 4194304./strace-static-x86_64: Process 7286 attached ) = 0 [pid 7284] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7284] ioctl(4, LOOP_SET_FD, 3 [pid 7286] set_robust_list(0x7f6a589f59e0, 24 [pid 7284] <... ioctl resumed>) = 0 [pid 7284] close(3) = 0 [pid 7284] mkdir("./bus", 0777) = 0 [pid 7284] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7286] <... set_robust_list resumed>) = 0 [pid 7286] memfd_create("syzkaller", 0) = 3 [pid 7286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 156.005030][ T7279] REISERFS (device loop3): checking transaction log (loop3) [ 156.012209][ T7281] loop1: detected capacity change from 0 to 8192 [ 156.013440][ T7279] REISERFS (device loop3): Using r5 hash to sort names [ 156.026100][ T7279] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 156.031021][ T7284] loop0: detected capacity change from 0 to 8192 [ 156.039212][ T7279] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7279] <... mount resumed>) = 0 [pid 7279] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7286] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7279] chdir("./bus") = 0 [pid 7279] ioctl(4, LOOP_CLR_FD) = 0 [pid 7279] close(4) = 0 [pid 7279] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7278] <... futex resumed>) = 0 [pid 7278] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] mkdir("./file1", 000 [pid 7278] <... futex resumed>) = 0 [pid 7279] <... mkdir resumed>) = 0 [pid 7278] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7279] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7278] <... futex resumed>) = 0 [pid 7279] mkdir("./bus", 000 [pid 7278] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7279] <... mkdir resumed>) = 0 [pid 7278] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7279] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7278] <... futex resumed>) = 0 [ 156.055354][ T7281] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 156.069044][ T7281] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 156.069196][ T7284] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 156.091682][ T7281] REISERFS (device loop1): using ordered data mode [ 156.099100][ T7281] reiserfs: using flush barriers [pid 7279] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7278] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7278] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7286] <... write resumed>) = 4194304 [pid 7286] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7286] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 156.113692][ T7284] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 156.113861][ T7279] overlayfs: upper fs needs to support d_type. [ 156.129213][ T7279] overlayfs: upper fs does not support tmpfile. [ 156.138557][ T7281] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 156.148682][ T7279] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7286] ioctl(4, LOOP_SET_FD, 3 [pid 7278] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7286] <... ioctl resumed>) = 0 [pid 7286] close(3) = 0 [pid 7286] mkdir("./bus", 0777) = 0 [pid 7286] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7278] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7278] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7278] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7290], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7290 [pid 7278] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7278] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7290 attached [pid 7290] set_robust_list(0x7f6a509d49e0, 24 [pid 7279] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 156.157059][ T7286] loop4: detected capacity change from 0 to 8192 [ 156.163023][ T7279] overlayfs: failed to resolve './file0': -2 [ 156.168760][ T7284] REISERFS (device loop0): using ordered data mode [ 156.174833][ T7281] REISERFS (device loop1): checking transaction log (loop1) [ 156.185588][ T7284] reiserfs: using flush barriers [ 156.189584][ T7281] REISERFS (device loop1): Using r5 hash to sort names [ 156.200701][ T7281] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7279] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7290] <... set_robust_list resumed>) = 0 [pid 7281] <... mount resumed>) = 0 [pid 7279] <... futex resumed>) = 0 [pid 7290] mkdir(".", 0777 [pid 7281] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [ 156.200814][ T7286] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 156.213461][ T7281] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 156.227266][ T7284] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 156.235976][ T7286] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7279] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7290] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7281] <... openat resumed>) = 3 [pid 7290] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7281] chdir("./bus") = 0 [pid 7281] ioctl(4, LOOP_CLR_FD) = 0 [pid 7281] close(4) = 0 [pid 7281] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7280] <... futex resumed>) = 0 [pid 7281] mkdir("./file1", 000 [pid 7280] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] <... mkdir resumed>) = 0 [pid 7280] <... futex resumed>) = 0 [pid 7281] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7281] <... futex resumed>) = 0 [pid 7280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7281] mkdir("./bus", 000 [pid 7280] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] <... mkdir resumed>) = 0 [pid 7280] <... futex resumed>) = 0 [ 156.253122][ T7284] REISERFS (device loop0): checking transaction log (loop0) [ 156.261357][ T7286] REISERFS (device loop4): using ordered data mode [ 156.269917][ T7284] REISERFS (device loop0): Using r5 hash to sort names [ 156.275243][ T7286] reiserfs: using flush barriers [ 156.282581][ T7284] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 156.299547][ T7284] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7284] <... mount resumed>) = 0 [pid 7281] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7281] <... futex resumed>) = 0 [pid 7280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7284] <... openat resumed>) = 3 [pid 7281] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] <... futex resumed>) = 0 [pid 7284] chdir("./bus" [pid 7281] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7280] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] <... chdir resumed>) = 0 [pid 7284] ioctl(4, LOOP_CLR_FD) = 0 [pid 7290] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7290] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] <... futex resumed>) = 0 [pid 7278] exit_group(0 [pid 7279] <... futex resumed>) = ? [pid 7278] <... exit_group resumed>) = ? [pid 7279] +++ exited with 0 +++ [pid 7290] <... futex resumed>) = ? [pid 7290] +++ exited with 0 +++ [pid 7278] +++ exited with 0 +++ [pid 7284] close(4 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7278, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7284] <... close resumed>) = 0 [ 156.303355][ T7290] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 156.309981][ T7286] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 156.340838][ T7286] REISERFS (device loop4): checking transaction log (loop4) [ 156.350470][ T7281] overlayfs: upper fs needs to support d_type. [ 156.354925][ T7286] REISERFS (device loop4): Using r5 hash to sort names [pid 5000] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7284] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7284] <... futex resumed>) = 1 [pid 5000] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7284] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] <... openat resumed>) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./111/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7282] <... futex resumed>) = 0 [pid 7282] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7284] <... futex resumed>) = 0 [pid 7282] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] mkdir("./file1", 000) = 0 [pid 7284] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7282] <... futex resumed>) = 0 [pid 7284] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... futex resumed>) = 0 [pid 7282] <... futex resumed>) = 1 [pid 7284] mkdir("./bus", 000 [pid 7282] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] <... mkdir resumed>) = 0 [pid 7284] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7282] <... futex resumed>) = 0 [ 156.356656][ T7281] overlayfs: upper fs does not support tmpfile. [pid 7284] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7282] <... futex resumed>) = 0 [pid 7284] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7282] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7286] <... mount resumed>) = 0 [pid 7280] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7280] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7280] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7291], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7291 [pid 7280] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7280] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7286] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7286] chdir("./bus") = 0 [pid 7286] ioctl(4, LOOP_CLR_FD) = 0 [pid 7286] close(4 [pid 7281] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7281] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7281] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7286] <... close resumed>) = 0 [pid 7286] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 156.392186][ T7281] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 156.395742][ T7286] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 156.400786][ T7281] overlayfs: failed to resolve './file0': -2 [ 156.412268][ T7284] overlayfs: upper fs needs to support d_type. [ 156.418645][ T7286] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 156.425854][ T7284] overlayfs: upper fs does not support tmpfile. [pid 7286] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7285] <... futex resumed>) = 0 [pid 7285] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] <... futex resumed>) = 0 [pid 7285] <... futex resumed>) = 1 [pid 7286] mkdir("./file1", 000 [pid 7285] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7286] <... mkdir resumed>) = 0 [pid 7286] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7286] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7285] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7286] <... futex resumed>) = 0 [pid 7286] mkdir("./bus", 000) = 0 [pid 7285] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7286] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7286] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7285] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] <... futex resumed>) = 0 [pid 7285] <... futex resumed>) = 1 [pid 7285] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7286] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,"./strace-static-x86_64: Process 7291 attached [pid 5000] <... umount2 resumed>) = 0 [pid 7291] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7291] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7291] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5000] umount2("./111/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./111/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./111/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./111/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./111/bus" [pid 7282] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] unlink("./111/binderfs" [pid 7282] <... mmap resumed>) = 0x7f6a509b4000 [pid 5000] <... unlink resumed>) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7282] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5000] close(3 [pid 7282] <... mprotect resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 7282] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] rmdir("./111") = 0 [pid 5000] mkdir("./112", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [ 156.446911][ T7284] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 156.458851][ T7284] overlayfs: failed to resolve './file0': -2 [ 156.477577][ T7286] overlayfs: upper fs needs to support d_type. [ 156.484023][ T7286] overlayfs: upper fs does not support tmpfile. [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7292 ./strace-static-x86_64: Process 7293 attached [pid 7285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7293] set_robust_list(0x7f6a509d49e0, 24 [pid 7285] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7282] <... clone resumed>, parent_tid=[7293], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7293 [pid 7293] <... set_robust_list resumed>) = 0 [pid 7285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7282] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] mkdir(".", 0777 [pid 7285] <... mmap resumed>) = 0x7f6a509b4000 [pid 7282] <... futex resumed>) = 0 [pid 7293] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7291] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7285] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7282] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7293] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7291] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... mprotect resumed>) = 0 [pid 7285] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7294], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7294 [pid 7285] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7285] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7294 attached [pid 7294] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7294] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7294] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7284] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7284] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7284] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7292 attached [pid 7292] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7292] chdir("./112") = 0 [pid 7292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7292] setpgid(0, 0) = 0 [pid 7292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7292] write(3, "1000", 4) = 4 [pid 7292] close(3) = 0 [pid 7292] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7292] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7292] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7292] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7295], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7295 [pid 7292] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7292] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7295 attached [pid 7295] set_robust_list(0x7f6a589f59e0, 24 [pid 7280] <... futex resumed>) = 0 [pid 7291] <... futex resumed>) = 1 [pid 7280] exit_group(0 [pid 7291] ???( [pid 7280] <... exit_group resumed>) = ? [pid 7291] <... ??? resumed>) = ? [pid 7281] <... futex resumed>) = ? [pid 7281] +++ exited with 0 +++ [pid 7295] <... set_robust_list resumed>) = 0 [pid 7295] memfd_create("syzkaller", 0 [pid 7291] +++ exited with 0 +++ [pid 7280] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7280, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7295] <... memfd_create resumed>) = 3 [pid 7295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 156.494335][ T7291] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 156.510092][ T7286] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 156.526626][ T7293] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 7293] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... restart_syscall resumed>) = 0 [pid 7293] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7286] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7293] <... futex resumed>) = 1 [pid 7286] <... futex resumed>) = 0 [pid 7282] <... futex resumed>) = 0 [pid 7286] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7282] exit_group(0 [pid 4998] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7282] <... exit_group resumed>) = ? [pid 7295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7293] +++ exited with 0 +++ [pid 7284] <... futex resumed>) = ? [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./111/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7284] +++ exited with 0 +++ [pid 7282] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7282, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7294] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7294] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7294] <... futex resumed>) = 1 [pid 7285] <... futex resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7285] exit_group(0 [pid 4997] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7286] <... futex resumed>) = ? [pid 7285] <... exit_group resumed>) = ? [pid 4997] <... openat resumed>) = 3 [pid 7294] +++ exited with 0 +++ [pid 7286] +++ exited with 0 +++ [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./110/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7285] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7285, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5001] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./110/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7295] <... write resumed>) = 4194304 [ 156.544844][ T7286] overlayfs: failed to resolve './file0': -2 [ 156.554172][ T7294] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7295] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7295] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7295] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7295] close(3) = 0 [pid 7295] mkdir("./bus", 0777) = 0 [pid 7295] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./110/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [ 156.603966][ T7295] loop3: detected capacity change from 0 to 8192 [ 156.639938][ T7295] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./111/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] lstat("./110/bus", [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] lstat("./111/bus", [pid 5001] umount2("./110/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./111/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] openat(AT_FDCWD, "./110/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... openat resumed>) = 4 [pid 4998] openat(AT_FDCWD, "./111/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] fstat(4, [pid 4998] <... openat resumed>) = 4 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] fstat(4, [pid 5001] getdents64(4, [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, [pid 5001] getdents64(4, [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] getdents64(4, [pid 5001] close(4 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] <... close resumed>) = 0 [pid 4998] close(4 [pid 5001] rmdir("./110/bus" [pid 4998] <... close resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] rmdir("./111/bus" [pid 5001] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... rmdir resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./110/binderfs", [pid 4998] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./110/binderfs" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... unlink resumed>) = 0 [pid 4998] lstat("./111/binderfs", [pid 5001] getdents64(3, [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] unlink("./111/binderfs" [pid 5001] close(3 [pid 4998] <... unlink resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4998] getdents64(3, [pid 5001] rmdir("./110" [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] close(3 [pid 5001] mkdir("./111", 0777 [pid 4998] <... close resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4998] rmdir("./111" [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] <... rmdir resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4998] mkdir("./112", 0777 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4998] <... mkdir resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] close(3 [pid 4998] <... openat resumed>) = 3 [pid 5001] <... close resumed>) = 0 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 4997] <... umount2 resumed>) = 0 [ 156.660138][ T7295] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 156.669700][ T7295] REISERFS (device loop3): using ordered data mode [ 156.676239][ T7295] reiserfs: using flush barriers [ 156.687534][ T7295] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 7297 attached [pid 4998] close(3 [pid 4997] umount2("./110/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] lstat("./110/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./110/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7297] set_robust_list(0x5555564f86e0, 24 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./110/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7297 [pid 4997] <... openat resumed>) = 4 [pid 7297] <... set_robust_list resumed>) = 0 [pid 4997] fstat(4, [pid 7297] chdir("./111" [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7298 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7297] <... chdir resumed>) = 0 [pid 4997] getdents64(4, [pid 7297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7297] <... prctl resumed>) = 0 [pid 4997] getdents64(4, [pid 7297] setpgid(0, 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7297] <... setpgid resumed>) = 0 [pid 4997] close(4 [pid 7297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... close resumed>) = 0 [pid 7297] <... openat resumed>) = 3 [pid 4997] rmdir("./110/bus" [pid 7297] write(3, "1000", 4 [pid 4997] <... rmdir resumed>) = 0 [pid 7297] <... write resumed>) = 4 [pid 4997] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7297] close(3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7297] <... close resumed>) = 0 [pid 4997] lstat("./110/binderfs", [pid 7297] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7297] <... symlink resumed>) = 0 [pid 4997] unlink("./110/binderfs" [pid 7297] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... unlink resumed>) = 0 [pid 7297] <... futex resumed>) = 0 [pid 4997] getdents64(3, [pid 7297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7297] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] close(3 [pid 7297] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4997] <... close resumed>) = 0 [pid 7297] <... mprotect resumed>) = 0 [pid 4997] rmdir("./110" [pid 7297] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./111", 0777 [pid 7297] <... clone resumed>, parent_tid=[7299], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7299 [pid 4997] <... mkdir resumed>) = 0 [pid 7297] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7297] <... futex resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 7297] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7300 ./strace-static-x86_64: Process 7298 attached [pid 7298] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7298] chdir("./112") = 0 [pid 7298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7298] setpgid(0, 0) = 0 [pid 7298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7298] write(3, "1000", 4) = 4 [pid 7298] close(3) = 0 [pid 7298] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7298] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7298] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7298] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7301], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7301 [pid 7298] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7298] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7301 attached [pid 7301] set_robust_list(0x7f6a589f59e0, 24./strace-static-x86_64: Process 7300 attached ./strace-static-x86_64: Process 7299 attached [pid 7299] set_robust_list(0x7f6a589f59e0, 24 [pid 7301] <... set_robust_list resumed>) = 0 [pid 7300] set_robust_list(0x5555564f86e0, 24 [pid 7299] <... set_robust_list resumed>) = 0 [pid 7301] memfd_create("syzkaller", 0 [pid 7300] <... set_robust_list resumed>) = 0 [pid 7299] memfd_create("syzkaller", 0 [pid 7301] <... memfd_create resumed>) = 3 [pid 7300] chdir("./111" [pid 7299] <... memfd_create resumed>) = 3 [pid 7300] <... chdir resumed>) = 0 [pid 7299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7300] <... prctl resumed>) = 0 [pid 7299] <... mmap resumed>) = 0x7f6a505d5000 [pid 7301] <... mmap resumed>) = 0x7f6a505d5000 [pid 7300] setpgid(0, 0) = 0 [pid 7300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7300] write(3, "1000", 4) = 4 [pid 7300] close(3) = 0 [pid 7300] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7300] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7300] <... futex resumed>) = 0 [pid 7300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7300] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7300] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7302], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7302 [pid 7300] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 156.704045][ T7295] REISERFS (device loop3): checking transaction log (loop3) [ 156.720339][ T7295] REISERFS (device loop3): Using r5 hash to sort names [ 156.728709][ T7295] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7300] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7302 attached [pid 7302] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7302] memfd_create("syzkaller", 0) = 3 [pid 7302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7299] <... write resumed>) = 4194304 [pid 7295] <... mount resumed>) = 0 [pid 7295] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7299] munmap(0x7f6a505d5000, 4194304 [pid 7295] chdir("./bus") = 0 [pid 7295] ioctl(4, LOOP_CLR_FD [pid 7299] <... munmap resumed>) = 0 [pid 7299] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7299] ioctl(4, LOOP_SET_FD, 3 [pid 7295] <... ioctl resumed>) = 0 [pid 7295] close(4 [pid 7299] <... ioctl resumed>) = 0 [pid 7302] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7301] <... write resumed>) = 4194304 [pid 7299] close(3 [pid 7295] <... close resumed>) = 0 [pid 7301] munmap(0x7f6a505d5000, 4194304 [pid 7299] <... close resumed>) = 0 [pid 7301] <... munmap resumed>) = 0 [pid 7299] mkdir("./bus", 0777 [pid 7301] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7299] <... mkdir resumed>) = 0 [pid 7301] <... openat resumed>) = 4 [ 156.774136][ T7295] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 156.810719][ T7299] loop4: detected capacity change from 0 to 8192 [pid 7299] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7301] ioctl(4, LOOP_SET_FD, 3 [pid 7295] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7295] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7301] <... ioctl resumed>) = 0 [pid 7301] close(3) = 0 [pid 7301] mkdir("./bus", 0777) = 0 [pid 7301] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7292] <... futex resumed>) = 0 [pid 7292] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... futex resumed>) = 0 [pid 7292] <... futex resumed>) = 1 [pid 7295] mkdir("./file1", 000 [pid 7292] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7295] <... mkdir resumed>) = 0 [pid 7302] <... write resumed>) = 4194304 [pid 7302] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7302] ioctl(4, LOOP_SET_FD, 3 [pid 7295] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... ioctl resumed>) = 0 [pid 7302] close(3) = 0 [pid 7302] mkdir("./bus", 0777) = 0 [ 156.833158][ T7301] loop1: detected capacity change from 0 to 8192 [ 156.840057][ T7299] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 156.855253][ T7301] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 156.864572][ T7302] loop0: detected capacity change from 0 to 8192 [ 156.869955][ T7301] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7302] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7295] <... futex resumed>) = 1 [pid 7292] <... futex resumed>) = 0 [pid 7295] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [ 156.877103][ T7299] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 156.885368][ T7302] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 156.893366][ T7299] REISERFS (device loop4): using ordered data mode [ 156.906721][ T7301] REISERFS (device loop1): using ordered data mode [ 156.913172][ T7299] reiserfs: using flush barriers [ 156.924168][ T7302] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7292] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] <... futex resumed>) = 0 [pid 7295] mkdir("./bus", 000) = 0 [pid 7295] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7295] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... futex resumed>) = 0 [pid 7292] <... futex resumed>) = 1 [pid 7295] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 156.924292][ T7302] REISERFS (device loop0): using ordered data mode [ 156.934659][ T7301] reiserfs: using flush barriers [ 156.943131][ T7295] overlayfs: upper fs needs to support d_type. [ 156.944892][ T7299] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 156.951404][ T7295] overlayfs: upper fs does not support tmpfile. [ 156.974745][ T7295] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7292] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7292] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7292] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7292] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7306], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7306 [pid 7292] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7292] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7306 attached [pid 7306] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7306] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7306] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7295] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7295] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 156.974818][ T7301] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 156.982902][ T7295] overlayfs: failed to resolve './file0': -2 [ 156.998458][ T7302] reiserfs: using flush barriers [ 157.007026][ T7299] REISERFS (device loop4): checking transaction log (loop4) [ 157.009913][ T7301] REISERFS (device loop1): checking transaction log (loop1) [pid 7295] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7306] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... futex resumed>) = 0 [pid 7292] exit_group(0 [pid 7295] <... futex resumed>) = ? [pid 7292] <... exit_group resumed>) = ? [pid 7295] +++ exited with 0 +++ [pid 7306] <... futex resumed>) = ? [pid 7306] +++ exited with 0 +++ [pid 7292] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7292, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5000] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 157.024236][ T7302] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 157.026312][ T7306] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 157.041339][ T7302] REISERFS (device loop0): checking transaction log (loop0) [ 157.062527][ T7299] REISERFS (device loop4): Using r5 hash to sort names [ 157.064350][ T7301] REISERFS (device loop1): Using r5 hash to sort names [pid 5000] umount2("./112/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7301] <... mount resumed>) = 0 [pid 7299] <... mount resumed>) = 0 [pid 7299] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7299] chdir("./bus") = 0 [pid 7299] ioctl(4, LOOP_CLR_FD) = 0 [pid 7299] close(4) = 0 [pid 7299] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7297] <... futex resumed>) = 0 [pid 7299] mkdir("./file1", 000 [pid 7297] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] <... mkdir resumed>) = 0 [pid 7297] <... futex resumed>) = 0 [pid 7299] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... futex resumed>) = 0 [pid 7297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7299] mkdir("./bus", 000 [pid 7297] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] <... mkdir resumed>) = 0 [pid 7297] <... futex resumed>) = 0 [pid 7299] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... futex resumed>) = 0 [pid 7297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7299] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 157.069762][ T7299] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 157.083639][ T7301] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 157.089618][ T7299] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 157.104525][ T7301] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 157.126031][ T7299] overlayfs: upper fs needs to support d_type. [pid 7297] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7297] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7301] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7301] chdir("./bus") = 0 [pid 7301] ioctl(4, LOOP_CLR_FD) = 0 [pid 7301] close(4) = 0 [pid 7301] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7301] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] <... futex resumed>) = 0 [pid 7298] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7298] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7301] <... futex resumed>) = 0 [pid 7301] mkdir("./file1", 000) = 0 [pid 7301] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7301] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] <... futex resumed>) = 0 [pid 7298] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7298] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7301] <... futex resumed>) = 0 [pid 7301] mkdir("./bus", 000) = 0 [pid 7301] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7298] <... futex resumed>) = 0 [pid 7298] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7298] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 157.132586][ T7299] overlayfs: upper fs does not support tmpfile. [ 157.142173][ T7302] REISERFS (device loop0): Using r5 hash to sort names [ 157.152511][ T7299] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 157.162452][ T7299] overlayfs: failed to resolve './file0': -2 [ 157.163539][ T7302] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7301] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7299] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7299] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7297] <... futex resumed>) = 0 [pid 7299] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7297] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7297] <... futex resumed>) = 0 [pid 7299] mkdir(".", 0777 [pid 7297] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7299] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7299] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7302] <... mount resumed>) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 7299] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7299] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] <... futex resumed>) = 0 [pid 7297] exit_group(0) = ? [pid 7299] <... futex resumed>) = ? [pid 7299] +++ exited with 0 +++ [pid 7297] +++ exited with 0 +++ [pid 7302] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5000] umount2("./112/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7302] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7297, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5000] lstat("./112/bus", [pid 7302] chdir("./bus" [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7302] <... chdir resumed>) = 0 [pid 5000] umount2("./112/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7302] ioctl(4, LOOP_CLR_FD [pid 5001] <... restart_syscall resumed>) = 0 [pid 7302] <... ioctl resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7302] close(4 [pid 5000] openat(AT_FDCWD, "./112/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7302] <... close resumed>) = 0 [ 157.187260][ T7301] overlayfs: upper fs needs to support d_type. [ 157.199453][ T7302] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 157.200491][ T7299] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 157.209692][ T7301] overlayfs: upper fs does not support tmpfile. [pid 5001] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7302] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... openat resumed>) = 4 [pid 7302] <... futex resumed>) = 1 [pid 7298] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] fstat(4, [pid 7302] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] fstat(3, [pid 5000] getdents64(4, [pid 7298] <... mmap resumed>) = 0x7f6a509b4000 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7298] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5001] getdents64(3, [pid 5000] getdents64(4, [pid 7298] <... mprotect resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7298] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] umount2("./111/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] close(4 [pid 7300] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 7298] <... clone resumed>, parent_tid=[7307], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7307 [pid 5000] rmdir("./112/bus" [pid 7300] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... rmdir resumed>) = 0 [pid 7300] <... futex resumed>) = 1 [pid 7302] <... futex resumed>) = 0 [pid 7298] <... futex resumed>) = 0 [pid 5000] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7300] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] mkdir("./file1", 000 [pid 7298] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7302] <... mkdir resumed>) = 0 [pid 5000] lstat("./112/binderfs", [pid 7302] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7302] <... futex resumed>) = 1 [pid 7300] <... futex resumed>) = 0 [pid 7302] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7300] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] unlink("./112/binderfs" [pid 7302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7300] <... futex resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 7302] mkdir("./bus", 000 [pid 7300] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] getdents64(3, [pid 7302] <... mkdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7302] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 7302] <... futex resumed>) = 1 [pid 7300] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 7302] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7300] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] rmdir("./112" [pid 7302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7300] <... futex resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 7302] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7300] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] mkdir("./113", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7308 ./strace-static-x86_64: Process 7308 attached [pid 7308] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7308] chdir("./113") = 0 [pid 7308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7308] setpgid(0, 0) = 0 [pid 7308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7307 attached [pid 7307] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7307] mkdir(".", 0777 [pid 7308] write(3, "1000", 4) = 4 [pid 7307] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7308] close(3) = 0 [pid 7307] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7308] symlink("/dev/binderfs", "./binderfs") = 0 [ 157.232360][ T7301] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 157.250020][ T7302] overlayfs: upper fs needs to support d_type. [ 157.256264][ T7302] overlayfs: upper fs does not support tmpfile. [pid 7308] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7308] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7308] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7309], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7309 [pid 7308] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7308] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7309 attached [pid 7309] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7301] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7300] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7300] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7300] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7300] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7310], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7310 [pid 7309] memfd_create("syzkaller", 0 [pid 7301] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7300] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7301] <... futex resumed>) = 0 [pid 7309] <... memfd_create resumed>) = 3 [pid 7309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7301] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7309] <... mmap resumed>) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7310 attached [pid 7310] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7310] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7310] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] <... umount2 resumed>) = 0 [ 157.284379][ T7301] overlayfs: failed to resolve './file0': -2 [ 157.288330][ T7302] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 157.303014][ T7307] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] umount2("./111/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./111/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./111/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./111/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./111/bus") = 0 [pid 5001] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./111/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./111") = 0 [pid 5001] mkdir("./112", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7311 [pid 7307] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7307] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = 0 [pid 7298] exit_group(0 [pid 7301] <... futex resumed>) = ? [pid 7298] <... exit_group resumed>) = ? [pid 7301] +++ exited with 0 +++ [pid 7307] <... futex resumed>) = ? [pid 7307] +++ exited with 0 +++ [pid 7298] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7298, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./112/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7309] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7311 attached [pid 7311] set_robust_list(0x5555564f86e0, 24 [pid 7310] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7310] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 1 [pid 7310] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7311] <... set_robust_list resumed>) = 0 [pid 7311] chdir("./112" [pid 7302] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7302] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7302] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7311] <... chdir resumed>) = 0 [pid 7300] exit_group(0) = ? [pid 7311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7310] <... futex resumed>) = ? [pid 7310] +++ exited with 0 +++ [pid 7302] <... futex resumed>) = ? [pid 7311] <... prctl resumed>) = 0 [pid 7311] setpgid(0, 0) = 0 [pid 7311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7311] write(3, "1000", 4) = 4 [pid 7311] close(3) = 0 [pid 7311] symlink("/dev/binderfs", "./binderfs" [pid 7302] +++ exited with 0 +++ [pid 7300] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7300, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 7311] <... symlink resumed>) = 0 [pid 4997] <... restart_syscall resumed>) = 0 [pid 7311] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7311] <... futex resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./111/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7311] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [ 157.334524][ T7310] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 157.370847][ T7302] overlayfs: failed to resolve './file0': -2 [pid 7311] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7312 attached , parent_tid=[7312], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7312 [pid 7311] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] set_robust_list(0x7f6a589f59e0, 24 [pid 7311] <... futex resumed>) = 0 [pid 7312] <... set_robust_list resumed>) = 0 [pid 7311] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7312] memfd_create("syzkaller", 0) = 3 [pid 7312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./112/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./112/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./112/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./112/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./112/bus") = 0 [pid 4998] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./112/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./112") = 0 [pid 4998] mkdir("./113", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7313 ./strace-static-x86_64: Process 7313 attached [pid 7313] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7313] chdir("./113") = 0 [pid 7313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7313] setpgid(0, 0) = 0 [pid 7309] <... write resumed>) = 4194304 [pid 7313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7309] munmap(0x7f6a505d5000, 4194304 [pid 7313] <... openat resumed>) = 3 [pid 7312] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7313] write(3, "1000", 4) = 4 [pid 7313] close(3 [pid 7309] <... munmap resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 7309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7313] <... close resumed>) = 0 [pid 4997] umount2("./111/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7309] <... openat resumed>) = 4 [pid 7309] ioctl(4, LOOP_SET_FD, 3 [pid 7313] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7313] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7313] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7313] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./111/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./111/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7313] <... clone resumed>, parent_tid=[7314], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7314 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7313] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... ioctl resumed>) = 0 [pid 7309] close(3) = 0 [pid 4997] openat(AT_FDCWD, "./111/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7309] mkdir("./bus", 0777 [pid 7313] <... futex resumed>) = 0 [pid 7309] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7314 attached [pid 7313] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7312] <... write resumed>) = 4194304 [pid 7309] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4997] fstat(4, [pid 7312] munmap(0x7f6a505d5000, 4194304 [pid 7314] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7314] memfd_create("syzkaller", 0) = 3 [pid 7314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7312] <... munmap resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7312] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4997] getdents64(4, [pid 7312] <... openat resumed>) = 4 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7312] ioctl(4, LOOP_SET_FD, 3 [pid 4997] getdents64(4, [pid 7314] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7312] <... ioctl resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7312] close(3 [pid 4997] close(4 [pid 7312] <... close resumed>) = 0 [ 157.501138][ T7309] loop3: detected capacity change from 0 to 8192 [ 157.516286][ T7309] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 157.529933][ T7309] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 157.539527][ T7312] loop4: detected capacity change from 0 to 8192 [pid 4997] <... close resumed>) = 0 [pid 7312] mkdir("./bus", 0777) = 0 [pid 4997] rmdir("./111/bus" [pid 7312] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4997] <... rmdir resumed>) = 0 [pid 4997] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7314] <... write resumed>) = 4194304 [pid 7314] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7314] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7314] ioctl(4, LOOP_SET_FD, 3 [pid 4997] unlink("./111/binderfs" [pid 7314] <... ioctl resumed>) = 0 [pid 7314] close(3) = 0 [pid 7314] mkdir("./bus", 0777) = 0 [ 157.546476][ T7309] REISERFS (device loop3): using ordered data mode [ 157.554016][ T7309] reiserfs: using flush barriers [ 157.561662][ T7309] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 157.573832][ T7314] loop1: detected capacity change from 0 to 8192 [ 157.578691][ T7312] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7314] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./111") = 0 [pid 4997] mkdir("./112", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7318 ./strace-static-x86_64: Process 7318 attached [ 157.588991][ T7309] REISERFS (device loop3): checking transaction log (loop3) [ 157.598261][ T7312] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 157.614442][ T7312] REISERFS (device loop4): using ordered data mode [ 157.621360][ T7314] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 157.621436][ T7312] reiserfs: using flush barriers [ 157.640019][ T7309] REISERFS (device loop3): Using r5 hash to sort names [ 157.640270][ T7314] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 157.654550][ T7309] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 157.656087][ T7312] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 157.670275][ T7314] REISERFS (device loop1): using ordered data mode [ 157.685332][ T7312] REISERFS (device loop4): checking transaction log (loop4) [pid 7318] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7309] <... mount resumed>) = 0 [pid 7309] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7309] chdir("./bus") = 0 [pid 7318] chdir("./112") = 0 [pid 7318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7309] ioctl(4, LOOP_CLR_FD) = 0 [pid 7309] close(4 [pid 7318] <... prctl resumed>) = 0 [pid 7318] setpgid(0, 0) = 0 [pid 7318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7309] <... close resumed>) = 0 [pid 7309] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7309] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7318] write(3, "1000", 4 [pid 7308] <... futex resumed>) = 0 [ 157.693282][ T7309] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 157.698988][ T7314] reiserfs: using flush barriers [ 157.713837][ T7312] REISERFS (device loop4): Using r5 hash to sort names [ 157.722474][ T7314] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 157.732334][ T7312] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7318] <... write resumed>) = 4 [pid 7308] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... mount resumed>) = 0 [pid 7312] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7312] chdir("./bus") = 0 [pid 7312] ioctl(4, LOOP_CLR_FD) = 0 [pid 7312] close(4 [pid 7318] close(3 [pid 7309] <... futex resumed>) = 0 [pid 7308] <... futex resumed>) = 1 [pid 7318] <... close resumed>) = 0 [pid 7308] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7318] symlink("/dev/binderfs", "./binderfs" [pid 7309] mkdir("./file1", 000) = 0 [pid 7309] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7309] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7312] <... close resumed>) = 0 [pid 7312] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] <... futex resumed>) = 0 [pid 7311] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7318] <... symlink resumed>) = 0 [pid 7311] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7308] <... futex resumed>) = 0 [pid 7318] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... futex resumed>) = 1 [pid 7312] mkdir("./file1", 000) = 0 [pid 7312] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] <... futex resumed>) = 0 [pid 7311] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7311] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] <... futex resumed>) = 1 [pid 7312] mkdir("./bus", 000) = 0 [pid 7312] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] <... futex resumed>) = 0 [pid 7311] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7318] <... futex resumed>) = 0 [pid 7311] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7308] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7309] <... futex resumed>) = 0 [pid 7308] <... futex resumed>) = 1 [pid 7318] <... mmap resumed>) = 0x7f6a589d5000 [pid 7309] mkdir("./bus", 000 [pid 7308] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7318] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7309] <... mkdir resumed>) = 0 [pid 7318] <... mprotect resumed>) = 0 [pid 7312] <... futex resumed>) = 1 [pid 7309] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7312] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7309] <... futex resumed>) = 1 [pid 7308] <... futex resumed>) = 0 [ 157.739498][ T7314] REISERFS (device loop1): checking transaction log (loop1) [ 157.752794][ T7312] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 157.759638][ T7314] REISERFS (device loop1): Using r5 hash to sort names [ 157.775335][ T7314] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 157.789068][ T7314] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7309] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7308] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... clone resumed>, parent_tid=[7319], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7319 [pid 7309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7308] <... futex resumed>) = 0 [pid 7318] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7308] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7319 attached [pid 7318] <... futex resumed>) = 0 [pid 7319] set_robust_list(0x7f6a589f59e0, 24 [pid 7318] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7314] <... mount resumed>) = 0 [pid 7319] <... set_robust_list resumed>) = 0 [pid 7314] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7319] memfd_create("syzkaller", 0 [pid 7314] <... openat resumed>) = 3 [pid 7319] <... memfd_create resumed>) = 3 [pid 7314] chdir("./bus" [pid 7311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7311] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7311] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7311] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7320], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7320 [pid 7311] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 157.804883][ T7312] overlayfs: upper fs needs to support d_type. [ 157.813829][ T7309] overlayfs: upper fs needs to support d_type. [ 157.821757][ T7312] overlayfs: upper fs does not support tmpfile. [ 157.822851][ T7309] overlayfs: upper fs does not support tmpfile. [ 157.828579][ T7312] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 157.836960][ T7309] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7311] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7320 attached [pid 7314] <... chdir resumed>) = 0 [pid 7320] set_robust_list(0x7f6a509d49e0, 24 [pid 7319] <... mmap resumed>) = 0x7f6a505d5000 [pid 7314] ioctl(4, LOOP_CLR_FD [pid 7320] <... set_robust_list resumed>) = 0 [pid 7320] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7308] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7314] <... ioctl resumed>) = 0 [pid 7308] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] close(4 [pid 7308] <... futex resumed>) = 0 [pid 7314] <... close resumed>) = 0 [pid 7320] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7314] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] <... mmap resumed>) = 0x7f6a509b4000 [pid 7314] <... futex resumed>) = 1 [pid 7313] <... futex resumed>) = 0 [pid 7308] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7314] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] <... mprotect resumed>) = 0 [pid 7314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7313] <... futex resumed>) = 0 [pid 7308] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7314] mkdir("./file1", 000 [pid 7313] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7314] <... mkdir resumed>) = 0 [pid 7308] <... clone resumed>, parent_tid=[7321], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7321 [pid 7314] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = 1 [pid 7313] <... futex resumed>) = 0 [pid 7308] <... futex resumed>) = 0 [pid 7314] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7313] <... futex resumed>) = 0 [pid 7314] mkdir("./bus", 000 [pid 7313] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7314] <... mkdir resumed>) = 0 [pid 7314] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7313] <... futex resumed>) = 0 [pid 7314] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7313] <... futex resumed>) = 0 [pid 7314] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 157.849810][ T7312] overlayfs: failed to resolve './file0': -2 [ 157.861386][ T7309] overlayfs: failed to resolve './file0': -2 [ 157.889399][ T7314] overlayfs: upper fs needs to support d_type. [ 157.895639][ T7314] overlayfs: upper fs does not support tmpfile. [pid 7313] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7321 attached [pid 7312] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7309] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7312] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... futex resumed>) = 0 [pid 7309] <... futex resumed>) = 0 [pid 7321] set_robust_list(0x7f6a509d49e0, 24 [pid 7312] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7309] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7321] <... set_robust_list resumed>) = 0 [pid 7321] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7321] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7320] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7313] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7313] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7313] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7322], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7322 [pid 7313] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 157.908573][ T7320] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 157.928993][ T7314] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 157.937076][ T7314] overlayfs: failed to resolve './file0': -2 [pid 7313] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7322 attached [pid 7322] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7322] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7322] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7321] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7320] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] <... futex resumed>) = 1 [pid 7311] <... futex resumed>) = 0 [pid 7321] <... futex resumed>) = 1 [pid 7320] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7311] exit_group(0 [pid 7308] <... futex resumed>) = 0 [pid 7321] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] <... futex resumed>) = ? [pid 7312] <... futex resumed>) = ? [pid 7311] <... exit_group resumed>) = ? [pid 7308] exit_group(0 [pid 7321] <... futex resumed>) = ? [pid 7320] +++ exited with 0 +++ [pid 7312] +++ exited with 0 +++ [pid 7311] +++ exited with 0 +++ [pid 7309] <... futex resumed>) = ? [pid 7308] <... exit_group resumed>) = ? [pid 7321] +++ exited with 0 +++ [pid 7319] <... write resumed>) = 4194304 [pid 7309] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7311, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 7308] +++ exited with 0 +++ [pid 7319] munmap(0x7f6a505d5000, 4194304 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7308, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5001] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7319] <... munmap resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7319] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5001] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7319] <... openat resumed>) = 4 [pid 5001] <... openat resumed>) = 3 [pid 7319] ioctl(4, LOOP_SET_FD, 3 [pid 5001] fstat(3, [pid 7319] <... ioctl resumed>) = 0 [pid 7319] close(3) = 0 [pid 7319] mkdir("./bus", 0777) = 0 [pid 7319] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./112/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./113/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7322] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7314] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7314] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7314] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7322] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = 0 [pid 7313] exit_group(0 [pid 7314] <... futex resumed>) = ? [pid 7313] <... exit_group resumed>) = ? [pid 7314] +++ exited with 0 +++ [pid 7322] <... futex resumed>) = ? [pid 7322] +++ exited with 0 +++ [pid 7313] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7313, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 4998] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 157.950633][ T7321] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 157.977617][ T7319] loop0: detected capacity change from 0 to 8192 [ 157.977958][ T7322] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 157.994459][ T7319] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 158.012029][ T7319] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 158.021392][ T7319] REISERFS (device loop0): using ordered data mode [ 158.027967][ T7319] reiserfs: using flush barriers [ 158.033763][ T7319] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 158.050235][ T7319] REISERFS (device loop0): checking transaction log (loop0) [pid 4998] umount2("./113/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 4998] umount2("./113/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./113/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./113/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./113/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7319] <... mount resumed>) = 0 [pid 4998] <... openat resumed>) = 4 [pid 7319] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, [pid 7319] chdir("./bus") = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7319] ioctl(4, LOOP_CLR_FD) = 0 [pid 4998] getdents64(4, [pid 7319] close(4 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 7319] <... close resumed>) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 5000] umount2("./113/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] close(4 [pid 7319] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./112/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... close resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./113/bus", [pid 5001] lstat("./112/bus", [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] rmdir("./113/bus" [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./113/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./112/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... rmdir resumed>) = 0 [pid 7319] <... futex resumed>) = 1 [pid 7318] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./113/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7318] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "./112/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7318] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 4 [pid 5001] <... openat resumed>) = 4 [pid 7318] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] fstat(4, [pid 5000] fstat(4, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(4, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] getdents64(4, [pid 5001] getdents64(4, [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] lstat("./113/binderfs", [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] getdents64(4, [pid 5001] close(4 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] close(4 [pid 5001] rmdir("./112/bus" [pid 5000] <... close resumed>) = 0 [pid 7319] mkdir("./file1", 000 [pid 4998] unlink("./113/binderfs" [pid 7319] <... mkdir resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] rmdir("./113/bus" [pid 4998] <... unlink resumed>) = 0 [pid 7319] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] getdents64(3, [pid 7319] <... futex resumed>) = 1 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7319] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] close(3 [pid 7318] <... futex resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5001] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7318] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7318] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7318] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./112/binderfs", [pid 5000] lstat("./113/binderfs", [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4998] <... close resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./112/binderfs" [pid 5000] unlink("./113/binderfs" [pid 7319] mkdir("./bus", 000 [pid 4998] rmdir("./113" [pid 7319] <... mkdir resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 7319] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] getdents64(3, [pid 5000] getdents64(3, [pid 4998] mkdir("./114", 0777 [pid 7319] <... futex resumed>) = 1 [pid 7318] <... futex resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 7319] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7318] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 5000] close(3 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7318] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [ 158.068500][ T7319] REISERFS (device loop0): Using r5 hash to sort names [ 158.075636][ T7319] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 158.097483][ T7319] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7318] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] rmdir("./112" [pid 5000] rmdir("./113" [pid 4998] ioctl(3, LOOP_CLR_FD [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5001] mkdir("./113", 0777 [pid 5000] mkdir("./114", 0777 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 5000] close(3 [pid 5001] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] close(3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7324 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7325 ./strace-static-x86_64: Process 7324 attached [pid 7324] set_robust_list(0x5555564f86e0, 24 [pid 4998] <... close resumed>) = 0 ./strace-static-x86_64: Process 7325 attached [pid 7319] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7325] set_robust_list(0x5555564f86e0, 24 [pid 7319] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] <... set_robust_list resumed>) = 0 [pid 7319] <... futex resumed>) = 1 [pid 7318] <... futex resumed>) = 0 [pid 7325] chdir("./114" [pid 7319] mkdir(".", 0777 [pid 7318] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7326 [pid 7325] <... chdir resumed>) = 0 [pid 7319] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7318] <... futex resumed>) = 0 [pid 7325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7324] <... set_robust_list resumed>) = 0 [pid 7319] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7318] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7325] <... prctl resumed>) = 0 [pid 7324] chdir("./113" [pid 7325] setpgid(0, 0 [pid 7324] <... chdir resumed>) = 0 [pid 7324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7325] <... setpgid resumed>) = 0 [pid 7324] <... prctl resumed>) = 0 [pid 7324] setpgid(0, 0) = 0 [ 158.148787][ T7319] overlayfs: upper fs needs to support d_type. [ 158.155043][ T7319] overlayfs: upper fs does not support tmpfile. [ 158.162282][ T7319] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 158.170392][ T7319] overlayfs: failed to resolve './file0': -2 [pid 7324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7324] write(3, "1000", 4) = 4 [pid 7324] close(3) = 0 [pid 7324] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7324] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7326 attached ) = 0 [pid 7326] set_robust_list(0x5555564f86e0, 24 [pid 7324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7326] <... set_robust_list resumed>) = 0 [pid 7324] <... mmap resumed>) = 0x7f6a589d5000 [pid 7326] chdir("./114" [pid 7324] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7326] <... chdir resumed>) = 0 [pid 7324] <... mprotect resumed>) = 0 [pid 7326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7324] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7326] <... prctl resumed>) = 0 [pid 7326] setpgid(0, 0 [pid 7324] <... clone resumed>, parent_tid=[7327], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7327 [pid 7326] <... setpgid resumed>) = 0 [pid 7324] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7324] <... futex resumed>) = 0 [pid 7326] <... openat resumed>) = 3 [pid 7324] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7326] write(3, "1000", 4) = 4 [pid 7326] close(3) = 0 [pid 7326] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7326] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7325] <... openat resumed>) = 3 [pid 7326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7325] write(3, "1000", 4 [pid 7326] <... mmap resumed>) = 0x7f6a589d5000 [pid 7325] <... write resumed>) = 4 [pid 7326] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7326] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7328], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7328 [pid 7326] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7326] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7327 attached [pid 7327] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7327] memfd_create("syzkaller", 0) = 3 [pid 7327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7325] close(3 [pid 7327] <... mmap resumed>) = 0x7f6a505d5000 [pid 7325] <... close resumed>) = 0 [pid 7325] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7325] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7325] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7325] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7329], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7329 [pid 7325] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7325] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7328 attached [pid 7328] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7328] memfd_create("syzkaller", 0./strace-static-x86_64: Process 7329 attached ) = 3 [pid 7329] set_robust_list(0x7f6a589f59e0, 24 [pid 7328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7329] <... set_robust_list resumed>) = 0 [pid 7329] memfd_create("syzkaller", 0 [pid 7328] <... mmap resumed>) = 0x7f6a505d5000 [pid 7329] <... memfd_create resumed>) = 3 [pid 7329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7319] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7319] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7318] <... futex resumed>) = 0 [pid 7318] exit_group(0) = ? [pid 7319] +++ exited with 0 +++ [pid 7318] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7318, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 158.196773][ T7319] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] umount2("./112/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./112/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./112/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./112/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./112/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./112/bus") = 0 [pid 4997] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./112/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./112") = 0 [pid 4997] mkdir("./113", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 7329] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7330 ./strace-static-x86_64: Process 7330 attached [pid 7330] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7330] chdir("./113") = 0 [pid 7330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7330] setpgid(0, 0) = 0 [pid 7330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7330] write(3, "1000", 4) = 4 [pid 7330] close(3) = 0 [pid 7330] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7330] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7330] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7330] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7331], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7331 [pid 7330] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7330] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7331 attached [pid 7331] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7331] memfd_create("syzkaller", 0) = 3 [pid 7331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7328] <... write resumed>) = 4194304 [pid 7328] munmap(0x7f6a505d5000, 4194304 [pid 7327] <... write resumed>) = 4194304 [pid 7327] munmap(0x7f6a505d5000, 4194304 [pid 7328] <... munmap resumed>) = 0 [pid 7327] <... munmap resumed>) = 0 [pid 7328] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7327] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7328] <... openat resumed>) = 4 [pid 7327] <... openat resumed>) = 4 [pid 7328] ioctl(4, LOOP_SET_FD, 3 [pid 7327] ioctl(4, LOOP_SET_FD, 3 [pid 7331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7327] <... ioctl resumed>) = 0 [pid 7327] close(3 [pid 7328] <... ioctl resumed>) = 0 [pid 7327] <... close resumed>) = 0 [pid 7328] close(3 [pid 7327] mkdir("./bus", 0777 [pid 7328] <... close resumed>) = 0 [pid 7327] <... mkdir resumed>) = 0 [pid 7328] mkdir("./bus", 0777) = 0 [pid 7327] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7328] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7329] <... write resumed>) = 4194304 [pid 7329] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7329] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 158.375385][ T7328] loop1: detected capacity change from 0 to 8192 [ 158.382221][ T7327] loop4: detected capacity change from 0 to 8192 [ 158.406330][ T7327] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 158.412061][ T7329] loop3: detected capacity change from 0 to 8192 [pid 7329] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7329] close(3) = 0 [pid 7329] mkdir("./bus", 0777) = 0 [pid 7329] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7331] <... write resumed>) = 4194304 [pid 7331] munmap(0x7f6a505d5000, 4194304) = 0 [ 158.419897][ T7327] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 158.435216][ T7327] REISERFS (device loop4): using ordered data mode [ 158.441827][ T7328] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 158.455491][ T7327] reiserfs: using flush barriers [ 158.455971][ T7329] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7331] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7331] ioctl(4, LOOP_SET_FD, 3) = 0 [ 158.460552][ T7328] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 158.474848][ T7331] loop0: detected capacity change from 0 to 8192 [ 158.483795][ T7328] REISERFS (device loop1): using ordered data mode [ 158.490237][ T7329] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 158.495670][ T7327] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 158.505938][ T7328] reiserfs: using flush barriers [pid 7331] close(3) = 0 [pid 7331] mkdir("./bus", 0777) = 0 [ 158.521624][ T7327] REISERFS (device loop4): checking transaction log (loop4) [ 158.533657][ T7329] REISERFS (device loop3): using ordered data mode [ 158.541036][ T7329] reiserfs: using flush barriers [ 158.546038][ T7327] REISERFS (device loop4): Using r5 hash to sort names [ 158.553170][ T7327] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7331] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7327] <... mount resumed>) = 0 [ 158.554345][ T7331] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 158.566843][ T7327] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 158.579479][ T7329] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 158.589127][ T7328] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7327] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7327] chdir("./bus") = 0 [pid 7327] ioctl(4, LOOP_CLR_FD) = 0 [pid 7327] close(4) = 0 [pid 7327] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7327] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7324] <... futex resumed>) = 0 [pid 7324] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] <... futex resumed>) = 0 [pid 7324] <... futex resumed>) = 1 [pid 7327] mkdir("./file1", 000 [pid 7324] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7327] <... mkdir resumed>) = 0 [pid 7327] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7324] <... futex resumed>) = 0 [pid 7327] mkdir("./bus", 000 [pid 7324] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7324] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7327] <... mkdir resumed>) = 0 [pid 7327] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7324] <... futex resumed>) = 0 [pid 7324] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7324] <... futex resumed>) = 0 [ 158.605801][ T7329] REISERFS (device loop3): checking transaction log (loop3) [ 158.621009][ T7328] REISERFS (device loop1): checking transaction log (loop1) [ 158.628953][ T7331] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 158.645680][ T7328] REISERFS (device loop1): Using r5 hash to sort names [ 158.648729][ T7331] REISERFS (device loop0): using ordered data mode [ 158.653725][ T7329] REISERFS (device loop3): Using r5 hash to sort names [ 158.659889][ T7331] reiserfs: using flush barriers [ 158.676564][ T7331] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 158.676960][ T7327] overlayfs: upper fs needs to support d_type. [ 158.693161][ T7328] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 158.711736][ T7329] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7324] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7328] <... mount resumed>) = 0 [pid 7328] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7328] chdir("./bus") = 0 [pid 7328] ioctl(4, LOOP_CLR_FD) = 0 [pid 7328] close(4 [pid 7324] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7324] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7328] <... close resumed>) = 0 [pid 7328] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7328] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7326] <... futex resumed>) = 0 [pid 7324] <... mprotect resumed>) = 0 [pid 7326] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7326] <... futex resumed>) = 1 [pid 7328] <... futex resumed>) = 0 [pid 7326] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] <... clone resumed>, parent_tid=[7336], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7336 [pid 7324] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7328] mkdir("./file1", 000 [pid 7324] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7328] <... mkdir resumed>) = 0 [pid 7328] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7326] <... futex resumed>) = 0 [pid 7328] mkdir("./bus", 000 [pid 7326] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] <... mkdir resumed>) = 0 [pid 7326] <... futex resumed>) = 0 [pid 7328] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7328] <... futex resumed>) = 0 [pid 7326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7328] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7326] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7336 attached [pid 7329] <... mount resumed>) = 0 [pid 7326] <... futex resumed>) = 0 [ 158.712104][ T7328] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 158.726416][ T7331] REISERFS (device loop0): checking transaction log (loop0) [ 158.742439][ T7329] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 158.746461][ T7327] overlayfs: upper fs does not support tmpfile. [ 158.763699][ T7328] overlayfs: upper fs needs to support d_type. [ 158.767891][ T7331] REISERFS (device loop0): Using r5 hash to sort names [pid 7326] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7336] set_robust_list(0x7f6a509d49e0, 24 [pid 7329] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7336] <... set_robust_list resumed>) = 0 [pid 7329] <... openat resumed>) = 3 [pid 7336] mkdir(".", 0777 [pid 7331] <... mount resumed>) = 0 [pid 7329] chdir("./bus" [pid 7326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7326] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7326] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7326] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7326] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7337], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7337 [pid 7326] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 158.770811][ T7328] overlayfs: upper fs does not support tmpfile. [ 158.777109][ T7331] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 158.783860][ T7327] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 158.796446][ T7331] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 158.803575][ T7328] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 158.813468][ T7327] overlayfs: failed to resolve './file0': -2 [pid 7326] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7336] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7331] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7329] <... chdir resumed>) = 0 [pid 7336] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7331] <... openat resumed>) = 3 [pid 7329] ioctl(4, LOOP_CLR_FD) = 0 [pid 7331] chdir("./bus"./strace-static-x86_64: Process 7337 attached [pid 7337] set_robust_list(0x7f6a509d49e0, 24 [pid 7329] close(4 [pid 7331] <... chdir resumed>) = 0 [pid 7337] <... set_robust_list resumed>) = 0 [pid 7337] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7331] ioctl(4, LOOP_CLR_FD [pid 7329] <... close resumed>) = 0 [pid 7337] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7331] <... ioctl resumed>) = 0 [pid 7329] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] close(4 [pid 7329] <... futex resumed>) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7329] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7331] <... close resumed>) = 0 [pid 7331] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7330] <... futex resumed>) = 0 [pid 7325] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7330] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7330] <... futex resumed>) = 0 [pid 7331] mkdir("./file1", 000 [pid 7330] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7331] <... mkdir resumed>) = 0 [pid 7329] <... futex resumed>) = 0 [pid 7325] <... futex resumed>) = 1 [pid 7331] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] mkdir("./file1", 000 [pid 7331] <... futex resumed>) = 1 [pid 7330] <... futex resumed>) = 0 [pid 7331] mkdir("./bus", 000 [pid 7330] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] <... mkdir resumed>) = 0 [pid 7325] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7336] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7331] <... mkdir resumed>) = 0 [pid 7330] <... futex resumed>) = 0 [pid 7329] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7329] <... futex resumed>) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7325] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7325] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7337] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7337] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = 0 [pid 7337] <... futex resumed>) = 1 [pid 7337] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7327] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7331] <... futex resumed>) = 0 [pid 7330] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] mkdir("./bus", 000 [pid 7331] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7336] <... futex resumed>) = 1 [pid 7330] <... futex resumed>) = 0 [pid 7324] <... futex resumed>) = 0 [pid 7327] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] <... mkdir resumed>) = 0 [pid 7327] <... futex resumed>) = 0 [pid 7327] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7336] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7330] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] exit_group(0 [pid 7336] <... futex resumed>) = ? [pid 7327] <... futex resumed>) = ? [pid 7324] <... exit_group resumed>) = ? [pid 7336] +++ exited with 0 +++ [pid 7327] +++ exited with 0 +++ [pid 7328] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7328] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7326] exit_group(0) = ? [pid 7328] +++ exited with 0 +++ [pid 7324] +++ exited with 0 +++ [pid 7329] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7329] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7324, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7337] <... futex resumed>) = ? [ 158.824440][ T7328] overlayfs: failed to resolve './file0': -2 [ 158.836014][ T7336] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 158.862207][ T7337] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./113/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7337] +++ exited with 0 +++ [pid 7326] +++ exited with 0 +++ [pid 7329] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7326, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [ 158.892247][ T7331] overlayfs: upper fs needs to support d_type. [ 158.908193][ T7329] overlayfs: upper fs needs to support d_type. [ 158.914433][ T7329] overlayfs: upper fs does not support tmpfile. [ 158.916593][ T7331] overlayfs: upper fs does not support tmpfile. [ 158.927568][ T7329] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 158.928842][ T7331] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7325] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7325] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7325] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7325] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7338], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7338 [pid 7325] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7325] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7330] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7330] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7338 attached [pid 7338] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7338] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7338] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7330] <... futex resumed>) = 0 [pid 7329] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4998] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] <... openat resumed>) = 3 [pid 7330] <... mmap resumed>) = 0x7f6a509b4000 [pid 4998] fstat(3, [pid 7330] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7330] <... mprotect resumed>) = 0 [pid 4998] getdents64(3, [pid 7330] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./114/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7330] <... clone resumed>, parent_tid=[7339], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7339 [pid 7330] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7330] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7329] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7329] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7339 attached [pid 7339] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7339] mkdir(".", 0777) = -1 EEXIST (File exists) [ 158.936090][ T7329] overlayfs: failed to resolve './file0': -2 [ 158.952899][ T7331] overlayfs: failed to resolve './file0': -2 [pid 7339] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7338] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7338] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7331] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7338] <... futex resumed>) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7331] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] exit_group(0) = ? [pid 7329] <... futex resumed>) = ? [pid 7329] +++ exited with 0 +++ [pid 7338] +++ exited with 0 +++ [pid 7325] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7325, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./114/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./113/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./113/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./113/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./113/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./113/bus") = 0 [pid 5001] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./113/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./113") = 0 [pid 5001] mkdir("./114", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7339] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7339] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] <... futex resumed>) = 0 [pid 7330] exit_group(0 [pid 7331] <... futex resumed>) = ? [pid 7330] <... exit_group resumed>) = ? [pid 7331] +++ exited with 0 +++ [pid 7339] <... futex resumed>) = ? [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7340 [pid 7339] +++ exited with 0 +++ [pid 7330] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7330, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./113/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7340 attached [pid 7340] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7340] chdir("./114") = 0 [pid 7340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7340] setpgid(0, 0) = 0 [ 158.982895][ T7338] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 158.986575][ T7339] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7340] write(3, "1000", 4) = 4 [pid 7340] close(3) = 0 [pid 7340] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7340] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7340] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7340] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7341], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7341 [pid 7340] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7340] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7341 attached [pid 7341] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7341] memfd_create("syzkaller", 0) = 3 [pid 7341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./114/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./114/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./114/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./114/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./114/bus") = 0 [pid 4998] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./114/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./114") = 0 [pid 4998] mkdir("./115", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7342 ./strace-static-x86_64: Process 7342 attached [pid 7342] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7342] chdir("./115") = 0 [pid 7342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7342] setpgid(0, 0) = 0 [pid 7342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7341] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7342] <... openat resumed>) = 3 [pid 7342] write(3, "1000", 4) = 4 [pid 7342] close(3) = 0 [pid 7342] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7342] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 5000] <... umount2 resumed>) = 0 [pid 7342] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7342] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7343], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7343 [pid 7342] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7342] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] umount2("./114/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = 0 [pid 5000] lstat("./114/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./113/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./113/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./114/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./113/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./114/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] openat(AT_FDCWD, "./113/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, [pid 4997] fstat(4, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] close(4 [pid 5000] getdents64(4, [pid 4997] <... close resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4./strace-static-x86_64: Process 7343 attached [pid 7341] <... write resumed>) = 4194304 [pid 4997] rmdir("./113/bus" [pid 5000] <... close resumed>) = 0 [pid 7343] set_robust_list(0x7f6a589f59e0, 24 [pid 7341] munmap(0x7f6a505d5000, 4194304 [pid 5000] rmdir("./114/bus" [pid 7343] <... set_robust_list resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7343] memfd_create("syzkaller", 0 [pid 4997] lstat("./113/binderfs", [pid 7343] <... memfd_create resumed>) = 3 [pid 5000] <... rmdir resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4997] unlink("./113/binderfs") = 0 [pid 7343] <... mmap resumed>) = 0x7f6a505d5000 [pid 4997] getdents64(3, [pid 5000] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7341] <... munmap resumed>) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./113" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./114/binderfs", [pid 4997] <... rmdir resumed>) = 0 [pid 7341] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4997] mkdir("./114", 0777 [pid 7341] <... openat resumed>) = 4 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./114/binderfs" [pid 7341] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... unlink resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./114") = 0 [pid 5000] mkdir("./115", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... openat resumed>) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 7341] <... ioctl resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7341] close(3 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7344 ./strace-static-x86_64: Process 7344 attached [pid 7344] set_robust_list(0x5555564f86e0, 24 [pid 7341] <... close resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7345 [pid 7341] mkdir("./bus", 0777) = 0 [pid 7341] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7344] <... set_robust_list resumed>) = 0 [pid 7344] chdir("./115") = 0 [pid 7344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7344] setpgid(0, 0./strace-static-x86_64: Process 7345 attached [pid 7345] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7344] <... setpgid resumed>) = 0 [pid 7344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7345] chdir("./114") = 0 [pid 7345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7344] <... openat resumed>) = 3 [pid 7345] <... prctl resumed>) = 0 [pid 7345] setpgid(0, 0) = 0 [pid 7343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7344] write(3, "1000", 4 [pid 7345] <... openat resumed>) = 3 [pid 7344] <... write resumed>) = 4 [pid 7345] write(3, "1000", 4 [pid 7344] close(3 [pid 7345] <... write resumed>) = 4 [pid 7345] close(3 [pid 7344] <... close resumed>) = 0 [pid 7345] <... close resumed>) = 0 [pid 7344] symlink("/dev/binderfs", "./binderfs" [pid 7345] symlink("/dev/binderfs", "./binderfs" [pid 7344] <... symlink resumed>) = 0 [pid 7345] <... symlink resumed>) = 0 [pid 7344] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... futex resumed>) = 0 [ 159.194830][ T7341] loop4: detected capacity change from 0 to 8192 [pid 7345] <... futex resumed>) = 0 [pid 7344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7344] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7344] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7347], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7347 [pid 7344] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7344] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7347 attached ) = 0x7f6a589d5000 [pid 7345] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7347] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7345] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7343] <... write resumed>) = 4194304 [pid 7343] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7343] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7343] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7348 attached [pid 7347] memfd_create("syzkaller", 0 [pid 7343] <... ioctl resumed>) = 0 [pid 7343] close(3) = 0 [pid 7343] mkdir("./bus", 0777) = 0 [pid 7343] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7348] set_robust_list(0x7f6a589f59e0, 24 [pid 7347] <... memfd_create resumed>) = 3 [pid 7345] <... clone resumed>, parent_tid=[7348], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7348 [pid 7348] <... set_robust_list resumed>) = 0 [pid 7345] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7348] memfd_create("syzkaller", 0 [pid 7345] <... futex resumed>) = 0 [pid 7347] <... mmap resumed>) = 0x7f6a505d5000 [pid 7345] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7348] <... memfd_create resumed>) = 3 [ 159.236766][ T7341] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 159.251035][ T7341] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 159.261589][ T7341] REISERFS (device loop4): using ordered data mode [ 159.267474][ T7343] loop1: detected capacity change from 0 to 8192 [ 159.269389][ T7341] reiserfs: using flush barriers [pid 7348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 159.283825][ T7341] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 159.301147][ T7343] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7347] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7347] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7347] ioctl(4, LOOP_SET_FD, 3 [pid 7348] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7347] <... ioctl resumed>) = 0 [pid 7347] close(3) = 0 [pid 7347] mkdir("./bus", 0777) = 0 [ 159.330843][ T7343] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 159.345797][ T7347] loop3: detected capacity change from 0 to 8192 [ 159.346909][ T7341] REISERFS (device loop4): checking transaction log (loop4) [ 159.353680][ T7343] REISERFS (device loop1): using ordered data mode [ 159.368167][ T7343] reiserfs: using flush barriers [ 159.375344][ T7341] REISERFS (device loop4): Using r5 hash to sort names [pid 7347] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7348] <... write resumed>) = 4194304 [pid 7348] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7348] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7348] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7348] close(3) = 0 [pid 7348] mkdir("./bus", 0777) = 0 [ 159.382903][ T7343] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 159.383249][ T7347] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 159.399466][ T7341] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 159.424791][ T7348] loop0: detected capacity change from 0 to 8192 [pid 7348] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7341] <... mount resumed>) = 0 [pid 7341] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7341] chdir("./bus") = 0 [pid 7341] ioctl(4, LOOP_CLR_FD) = 0 [ 159.429150][ T7343] REISERFS (device loop1): checking transaction log (loop1) [ 159.438661][ T7347] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 159.439919][ T7341] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 159.457611][ T7348] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 159.457834][ T7347] REISERFS (device loop3): using ordered data mode [ 159.477879][ T7347] reiserfs: using flush barriers [pid 7341] close(4) = 0 [pid 7341] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7340] <... futex resumed>) = 0 [pid 7341] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7340] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7340] <... futex resumed>) = 0 [pid 7341] mkdir("./file1", 000 [pid 7340] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7341] <... mkdir resumed>) = 0 [pid 7341] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7340] <... futex resumed>) = 0 [pid 7341] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7340] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7340] <... futex resumed>) = 0 [pid 7341] mkdir("./bus", 000 [pid 7340] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7341] <... mkdir resumed>) = 0 [pid 7341] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7340] <... futex resumed>) = 0 [pid 7341] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7340] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7340] <... futex resumed>) = 0 [pid 7341] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 159.477899][ T7343] REISERFS (device loop1): Using r5 hash to sort names [ 159.483692][ T7347] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 159.504154][ T7348] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 159.507380][ T7347] REISERFS (device loop3): checking transaction log (loop3) [ 159.515546][ T7341] overlayfs: upper fs needs to support d_type. [pid 7340] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7340] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7340] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7340] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7352], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7352 [pid 7340] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 159.522660][ T7343] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 159.529186][ T7341] overlayfs: upper fs does not support tmpfile. [ 159.542122][ T7347] REISERFS (device loop3): Using r5 hash to sort names [ 159.555006][ T7347] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 159.562131][ T7348] REISERFS (device loop0): using ordered data mode [ 159.568259][ T7343] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7340] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7352 attached [pid 7343] <... mount resumed>) = 0 [pid 7352] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7352] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7352] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7343] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7347] <... mount resumed>) = 0 [pid 7347] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7347] chdir("./bus") = 0 [pid 7347] ioctl(4, LOOP_CLR_FD) = 0 [pid 7347] close(4) = 0 [pid 7343] <... openat resumed>) = 3 [pid 7343] chdir("./bus") = 0 [pid 7343] ioctl(4, LOOP_CLR_FD) = 0 [pid 7343] close(4) = 0 [pid 7343] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7342] <... futex resumed>) = 0 [pid 7343] mkdir("./file1", 000 [pid 7342] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] <... mkdir resumed>) = 0 [pid 7342] <... futex resumed>) = 0 [pid 7343] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7343] <... futex resumed>) = 0 [pid 7342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7343] mkdir("./bus", 000 [pid 7342] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] <... mkdir resumed>) = 0 [pid 7342] <... futex resumed>) = 0 [pid 7343] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7343] <... futex resumed>) = 0 [pid 7342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7343] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7342] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7342] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7347] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7347] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7344] <... futex resumed>) = 0 [pid 7341] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7341] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 159.583959][ T7347] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 159.584204][ T7341] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 159.600494][ T7348] reiserfs: using flush barriers [ 159.607383][ T7341] overlayfs: failed to resolve './file0': -2 [ 159.607393][ T7352] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 159.630974][ T7343] overlayfs: upper fs needs to support d_type. [pid 7341] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7344] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] <... futex resumed>) = 0 [pid 7344] <... futex resumed>) = 1 [pid 7347] mkdir("./file1", 000 [pid 7344] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7347] <... mkdir resumed>) = 0 [pid 7347] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7347] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7344] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7347] <... futex resumed>) = 0 [pid 7344] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7347] mkdir("./bus", 000) = 0 [pid 7347] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7344] <... futex resumed>) = 0 [pid 7347] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7344] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7344] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7342] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7342] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7342] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7342] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7342] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7353], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7353 [pid 7342] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 159.631561][ T7348] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 159.654972][ T7343] overlayfs: upper fs does not support tmpfile. [ 159.665741][ T7347] overlayfs: upper fs needs to support d_type. [ 159.666946][ T7343] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 159.677744][ T7347] overlayfs: upper fs does not support tmpfile. [pid 7342] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7352] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7353 attached [pid 7353] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7353] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7353] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7352] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7340] <... futex resumed>) = 0 [pid 7344] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7344] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7344] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7344] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7344] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7344] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7354], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7354 [pid 7344] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7344] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7354 attached [ 159.680449][ T7343] overlayfs: failed to resolve './file0': -2 [ 159.691510][ T7347] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 159.692294][ T7348] REISERFS (device loop0): checking transaction log (loop0) [ 159.706323][ T7353] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 159.708716][ T7347] overlayfs: failed to resolve './file0': -2 [ 159.729081][ T7348] REISERFS (device loop0): Using r5 hash to sort names [pid 7354] set_robust_list(0x7f6a509d49e0, 24 [pid 7352] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7340] exit_group(0 [pid 7343] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7352] <... futex resumed>) = ? [pid 7341] <... futex resumed>) = ? [pid 7340] <... exit_group resumed>) = ? [pid 7343] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] +++ exited with 0 +++ [pid 7354] <... set_robust_list resumed>) = 0 [pid 7354] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7354] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7353] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7353] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 0 [pid 7342] exit_group(0) = ? [pid 7353] <... futex resumed>) = ? [pid 7353] +++ exited with 0 +++ [pid 7354] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7354] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... futex resumed>) = 0 [pid 7354] <... futex resumed>) = 1 [pid 7354] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7352] +++ exited with 0 +++ [pid 7340] +++ exited with 0 +++ [pid 7343] <... futex resumed>) = ? [pid 7343] +++ exited with 0 +++ [pid 7342] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7342, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 4998] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./115/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7340, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 7347] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] <... restart_syscall resumed>) = 0 [pid 7347] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] exit_group(0 [pid 7347] <... futex resumed>) = ? [pid 7344] <... exit_group resumed>) = ? [pid 7347] +++ exited with 0 +++ [pid 5001] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./114/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7354] <... futex resumed>) = ? [pid 7354] +++ exited with 0 +++ [pid 7344] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7344, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5000] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7348] <... mount resumed>) = 0 [pid 5000] getdents64(3, [pid 7348] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7348] chdir("./bus") = 0 [pid 7348] ioctl(4, LOOP_CLR_FD) = 0 [pid 7348] close(4 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./115/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7348] <... close resumed>) = 0 [pid 7348] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7345] <... futex resumed>) = 0 [pid 7345] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] mkdir("./file1", 000) = 0 [pid 7348] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7348] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7345] <... futex resumed>) = 1 [pid 7348] <... futex resumed>) = 0 [ 159.734782][ T7354] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 159.736209][ T7348] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 159.763727][ T7348] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7348] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7345] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7345] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7345] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7348] <... futex resumed>) = 0 [pid 7348] mkdir("./bus", 000) = 0 [pid 7348] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7345] <... futex resumed>) = 0 [pid 7348] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7345] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7345] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./114/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./114/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./114/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./114/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./114/bus") = 0 [pid 5001] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./114/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./114") = 0 [pid 5001] mkdir("./115", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7345] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7345] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7355 [pid 7345] <... futex resumed>) = 0 [pid 7345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7345] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4998] umount2("./115/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7345] <... mprotect resumed>) = 0 [pid 7345] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7356], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7356 [pid 7345] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7345] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./115/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./115/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./115/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [ 159.829950][ T7348] overlayfs: upper fs needs to support d_type. [ 159.841860][ T7348] overlayfs: upper fs does not support tmpfile. [pid 4998] rmdir("./115/bus") = 0 [pid 4998] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./115/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./115") = 0 [pid 4998] mkdir("./116", 0777./strace-static-x86_64: Process 7356 attached ./strace-static-x86_64: Process 7355 attached [pid 7356] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7355] set_robust_list(0x5555564f86e0, 24 [pid 7356] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7356] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7355] <... set_robust_list resumed>) = 0 [pid 7355] chdir("./115" [pid 5000] <... umount2 resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 5000] umount2("./115/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./115/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./115/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./115/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./115/bus") = 0 [pid 5000] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./115/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./115") = 0 [pid 5000] mkdir("./116", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 7356] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7355] <... chdir resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7356] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] <... openat resumed>) = 3 [pid 7356] <... futex resumed>) = 1 [pid 7355] <... prctl resumed>) = 0 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 7356] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7355] setpgid(0, 0 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7355] <... setpgid resumed>) = 0 [pid 7345] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] close(3 [pid 7355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... close resumed>) = 0 [pid 7355] <... openat resumed>) = 3 [pid 7348] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7355] write(3, "1000", 4 [pid 7348] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7357 [pid 7355] <... write resumed>) = 4 [pid 7348] <... futex resumed>) = 0 [pid 7345] exit_group(0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7358 [pid 7356] <... futex resumed>) = ? [pid 7355] close(3 [pid 7345] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7357 attached [pid 7356] +++ exited with 0 +++ [pid 7355] <... close resumed>) = 0 [pid 7348] +++ exited with 0 +++ [pid 7355] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7355] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] +++ exited with 0 +++ [pid 7357] set_robust_list(0x5555564f86e0, 24 [pid 7355] <... futex resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7345, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 7357] <... set_robust_list resumed>) = 0 [pid 7355] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] <... restart_syscall resumed>) = 0 [pid 7357] chdir("./116" [pid 7355] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7357] <... chdir resumed>) = 0 [pid 7355] <... mprotect resumed>) = 0 [pid 7357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7355] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7357] <... prctl resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7355] <... clone resumed>, parent_tid=[7359], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7359 [pid 4997] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7355] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... openat resumed>) = 3 [pid 7355] <... futex resumed>) = 0 [pid 4997] fstat(3, [pid 7355] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7358 attached [pid 4997] getdents64(3, [pid 7358] set_robust_list(0x5555564f86e0, 24 [pid 7357] setpgid(0, 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7358] <... set_robust_list resumed>) = 0 [pid 7357] <... setpgid resumed>) = 0 [pid 4997] umount2("./114/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7358] chdir("./116" [pid 7357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7358] <... chdir resumed>) = 0 [pid 7357] <... openat resumed>) = 3 [pid 7358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7357] write(3, "1000", 4./strace-static-x86_64: Process 7359 attached [pid 7358] <... prctl resumed>) = 0 [pid 7357] <... write resumed>) = 4 [pid 7359] set_robust_list(0x7f6a589f59e0, 24 [pid 7357] close(3 [pid 7359] <... set_robust_list resumed>) = 0 [pid 7357] <... close resumed>) = 0 [pid 7359] memfd_create("syzkaller", 0 [pid 7357] symlink("/dev/binderfs", "./binderfs" [pid 7359] <... memfd_create resumed>) = 3 [pid 7357] <... symlink resumed>) = 0 [pid 7359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7357] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... mmap resumed>) = 0x7f6a505d5000 [pid 7357] <... futex resumed>) = 0 [pid 7357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7357] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7357] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7358] setpgid(0, 0 [pid 7357] <... clone resumed>, parent_tid=[7360], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7360 [pid 7357] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7357] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7358] <... setpgid resumed>) = 0 [pid 7358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7360 attached ) = 3 [pid 7358] write(3, "1000", 4) = 4 [pid 7360] set_robust_list(0x7f6a589f59e0, 24 [pid 7358] close(3) = 0 [pid 7360] <... set_robust_list resumed>) = 0 [pid 7358] symlink("/dev/binderfs", "./binderfs" [pid 7360] memfd_create("syzkaller", 0 [pid 7358] <... symlink resumed>) = 0 [pid 7358] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... memfd_create resumed>) = 3 [ 159.888899][ T7348] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 159.901139][ T7348] overlayfs: failed to resolve './file0': -2 [ 159.903409][ T7356] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7358] <... futex resumed>) = 0 [pid 7360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7358] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7358] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7361], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7361 [pid 7358] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7361 attached [pid 4997] umount2("./114/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7361] set_robust_list(0x7f6a589f59e0, 24 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7361] <... set_robust_list resumed>) = 0 [pid 4997] lstat("./114/bus", [pid 7361] memfd_create("syzkaller", 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7361] <... memfd_create resumed>) = 3 [pid 4997] umount2("./114/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7361] <... mmap resumed>) = 0x7f6a505d5000 [pid 4997] openat(AT_FDCWD, "./114/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./114/bus") = 0 [pid 4997] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./114/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./114") = 0 [pid 4997] mkdir("./115", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 7360] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7362 ./strace-static-x86_64: Process 7362 attached [pid 7362] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7362] chdir("./115") = 0 [pid 7362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7362] setpgid(0, 0) = 0 [pid 7362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7362] write(3, "1000", 4) = 4 [pid 7362] close(3) = 0 [pid 7362] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7362] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7362] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7362] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7363], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7363 [pid 7362] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7362] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7363 attached [pid 7363] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7363] memfd_create("syzkaller", 0) = 3 [pid 7363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7360] <... write resumed>) = 4194304 [pid 7360] munmap(0x7f6a505d5000, 4194304 [pid 7359] <... write resumed>) = 4194304 [pid 7360] <... munmap resumed>) = 0 [pid 7360] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7359] munmap(0x7f6a505d5000, 4194304 [pid 7360] <... openat resumed>) = 4 [pid 7360] ioctl(4, LOOP_SET_FD, 3 [pid 7359] <... munmap resumed>) = 0 [pid 7359] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7359] ioctl(4, LOOP_SET_FD, 3 [pid 7361] <... write resumed>) = 4194304 [pid 7360] <... ioctl resumed>) = 0 [pid 7361] munmap(0x7f6a505d5000, 4194304 [pid 7360] close(3 [pid 7359] <... ioctl resumed>) = 0 [pid 7361] <... munmap resumed>) = 0 [pid 7360] <... close resumed>) = 0 [pid 7361] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7360] mkdir("./bus", 0777 [pid 7361] <... openat resumed>) = 4 [pid 7360] <... mkdir resumed>) = 0 [pid 7361] ioctl(4, LOOP_SET_FD, 3 [pid 7360] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7363] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7359] close(3) = 0 [pid 7359] mkdir("./bus", 0777) = 0 [pid 7359] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7361] <... ioctl resumed>) = 0 [ 160.093476][ T7360] loop3: detected capacity change from 0 to 8192 [ 160.096683][ T7359] loop4: detected capacity change from 0 to 8192 [ 160.113581][ T7361] loop1: detected capacity change from 0 to 8192 [ 160.122291][ T7359] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7361] close(3) = 0 [pid 7361] mkdir("./bus", 0777) = 0 [pid 7361] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7363] <... write resumed>) = 4194304 [pid 7363] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7363] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 160.122414][ T7360] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 160.149278][ T7359] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 160.158602][ T7359] REISERFS (device loop4): using ordered data mode [ 160.165283][ T7359] reiserfs: using flush barriers [ 160.165283][ T7361] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 160.171008][ T7360] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7363] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7363] close(3) = 0 [pid 7363] mkdir("./bus", 0777) = 0 [ 160.193090][ T7359] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 160.193862][ T7363] loop0: detected capacity change from 0 to 8192 [ 160.209548][ T7359] REISERFS (device loop4): checking transaction log (loop4) [ 160.216429][ T7361] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 160.223038][ T7360] REISERFS (device loop3): using ordered data mode [ 160.236052][ T7361] REISERFS (device loop1): using ordered data mode [ 160.239427][ T7360] reiserfs: using flush barriers [ 160.246769][ T7359] REISERFS (device loop4): Using r5 hash to sort names [ 160.251054][ T7361] reiserfs: using flush barriers [ 160.257734][ T7359] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 160.275818][ T7361] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 160.276311][ T7360] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 160.308538][ T7361] REISERFS (device loop1): checking transaction log (loop1) [ 160.309447][ T7363] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 160.329736][ T7361] REISERFS (device loop1): Using r5 hash to sort names [pid 7363] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7361] <... mount resumed>) = 0 [pid 7359] <... mount resumed>) = 0 [pid 7361] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [ 160.330415][ T7359] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 160.336830][ T7361] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 160.358882][ T7361] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 160.359180][ T7363] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 160.368759][ T7360] REISERFS (device loop3): checking transaction log (loop3) [ 160.378650][ T7363] REISERFS (device loop0): using ordered data mode [pid 7359] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7361] <... openat resumed>) = 3 [pid 7359] <... openat resumed>) = 3 [pid 7361] chdir("./bus" [pid 7359] chdir("./bus" [pid 7361] <... chdir resumed>) = 0 [pid 7359] <... chdir resumed>) = 0 [pid 7361] ioctl(4, LOOP_CLR_FD [pid 7359] ioctl(4, LOOP_CLR_FD [pid 7361] <... ioctl resumed>) = 0 [pid 7359] <... ioctl resumed>) = 0 [pid 7361] close(4 [pid 7359] close(4 [pid 7361] <... close resumed>) = 0 [pid 7359] <... close resumed>) = 0 [pid 7361] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... futex resumed>) = 1 [pid 7359] <... futex resumed>) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7361] mkdir("./file1", 000 [pid 7359] mkdir("./file1", 000 [pid 7358] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... mkdir resumed>) = 0 [pid 7359] <... mkdir resumed>) = 0 [pid 7358] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7358] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... futex resumed>) = 1 [pid 7359] <... futex resumed>) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7361] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7361] mkdir("./bus", 000 [pid 7359] mkdir("./bus", 000 [pid 7358] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] <... mkdir resumed>) = 0 [pid 7359] <... mkdir resumed>) = 0 [pid 7361] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... futex resumed>) = 1 [pid 7359] <... futex resumed>) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7361] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7361] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7359] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7358] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7360] <... mount resumed>) = 0 [pid 7360] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7360] chdir("./bus") = 0 [pid 7360] ioctl(4, LOOP_CLR_FD) = 0 [pid 7360] close(4) = 0 [ 160.385242][ T7360] REISERFS (device loop3): Using r5 hash to sort names [ 160.392730][ T7363] reiserfs: using flush barriers [ 160.398098][ T7360] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 160.416234][ T7360] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 160.427225][ T7361] overlayfs: upper fs needs to support d_type. [ 160.433452][ T7361] overlayfs: upper fs does not support tmpfile. [pid 7360] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7357] <... futex resumed>) = 0 [pid 7360] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7357] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7357] <... futex resumed>) = 0 [pid 7360] mkdir("./file1", 000 [pid 7357] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7360] <... mkdir resumed>) = 0 [pid 7360] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7357] <... futex resumed>) = 0 [pid 7360] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7357] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7357] <... futex resumed>) = 0 [pid 7360] mkdir("./bus", 000 [pid 7357] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7360] <... mkdir resumed>) = 0 [pid 7360] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7357] <... futex resumed>) = 0 [ 160.440471][ T7363] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 160.441097][ T7359] overlayfs: upper fs needs to support d_type. [ 160.467718][ T7361] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 160.476052][ T7361] overlayfs: failed to resolve './file0': -2 [pid 7360] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7357] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7355] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7358] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7358] <... mmap resumed>) = 0x7f6a509b4000 [pid 7357] <... futex resumed>) = 0 [pid 7355] <... mmap resumed>) = 0x7f6a509b4000 [pid 7360] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7358] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7355] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7358] <... mprotect resumed>) = 0 [pid 7355] <... mprotect resumed>) = 0 [pid 7361] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7358] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7357] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7361] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] <... clone resumed>, parent_tid=[7368], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7368 [pid 7355] <... clone resumed>, parent_tid=[7369], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7369 [pid 7358] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7358] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7355] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7369 attached [pid 7369] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7369] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7369] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7368 attached [pid 7368] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7368] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7368] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7361] <... futex resumed>) = 0 [ 160.491593][ T7359] overlayfs: upper fs does not support tmpfile. [ 160.498388][ T7359] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 160.509355][ T7360] overlayfs: upper fs needs to support d_type. [ 160.515832][ T7360] overlayfs: upper fs does not support tmpfile. [ 160.517998][ T7363] REISERFS (device loop0): checking transaction log (loop0) [ 160.524590][ T7359] overlayfs: failed to resolve './file0': -2 [pid 7361] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7368] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7368] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] <... futex resumed>) = 0 [pid 7358] exit_group(0) = ? [pid 7368] <... futex resumed>) = ? [pid 7368] +++ exited with 0 +++ [pid 7369] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7369] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = 0 [pid 7369] <... futex resumed>) = 1 [pid 7369] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7357] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7357] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7357] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7357] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7370], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7370 [pid 7357] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7357] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7370 attached [pid 7370] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7370] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7370] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7361] <... futex resumed>) = ? [ 160.535639][ T7368] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 160.536266][ T7360] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 160.551399][ T7369] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 160.558569][ T7360] overlayfs: failed to resolve './file0': -2 [pid 7361] +++ exited with 0 +++ [pid 7359] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7358] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7358, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 4998] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./116/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7359] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7360] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7359] <... futex resumed>) = 0 [pid 7359] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7355] exit_group(0 [pid 7359] <... futex resumed>) = ? [pid 7355] <... exit_group resumed>) = ? [pid 7359] +++ exited with 0 +++ [pid 7370] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7370] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7360] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7360] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] <... futex resumed>) = ? [pid 7369] +++ exited with 0 +++ [pid 7355] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7355, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5001] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7357] <... futex resumed>) = 0 [pid 5001] umount2("./115/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7357] exit_group(0) = ? [pid 7360] <... futex resumed>) = ? [pid 7360] +++ exited with 0 +++ [pid 7370] <... futex resumed>) = ? [pid 7370] +++ exited with 0 +++ [pid 7357] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7357, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5000] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./116/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7363] <... mount resumed>) = 0 [pid 7363] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7363] chdir("./bus") = 0 [pid 7363] ioctl(4, LOOP_CLR_FD) = 0 [pid 7363] close(4) = 0 [pid 7363] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 0 [pid 7362] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7362] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7363] <... futex resumed>) = 1 [pid 7363] mkdir("./file1", 000) = 0 [pid 7363] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 0 [pid 7362] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7362] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7363] <... futex resumed>) = 1 [pid 7363] mkdir("./bus", 000) = 0 [pid 7363] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 0 [pid 7362] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7362] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7363] <... futex resumed>) = 1 [ 160.584144][ T7370] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 160.599314][ T7363] REISERFS (device loop0): Using r5 hash to sort names [ 160.606407][ T7363] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 160.619292][ T7363] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7363] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./115/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7362] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] lstat("./115/bus", [pid 7362] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 5001] umount2("./115/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7362] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7362] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] openat(AT_FDCWD, "./115/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7362] <... clone resumed>, parent_tid=[7371], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7371 ./strace-static-x86_64: Process 7371 attached [pid 7362] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 4 [pid 7371] set_robust_list(0x7f6a509d49e0, 24 [pid 7362] <... futex resumed>) = 0 [pid 5001] fstat(4, [pid 7371] <... set_robust_list resumed>) = 0 [pid 7362] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7371] mkdir(".", 0777 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7371] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5001] getdents64(4, [pid 7371] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./115/bus") = 0 [pid 5001] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./115/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./115") = 0 [pid 5001] mkdir("./116", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7371] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7372 [pid 5000] umount2("./116/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7371] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7371] <... futex resumed>) = 1 [pid 5000] lstat("./116/bus", [pid 7371] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7362] <... futex resumed>) = 0 [pid 5000] umount2("./116/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./116/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./116/bus") = 0 [pid 5000] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./116/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./116") = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 5000] mkdir("./117", 0777 [ 160.677515][ T7363] overlayfs: upper fs needs to support d_type. [ 160.688710][ T7363] overlayfs: upper fs does not support tmpfile. [ 160.702714][ T7371] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] umount2("./116/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7372 attached [pid 7372] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7372] chdir("./116") = 0 [pid 7372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7372] setpgid(0, 0) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7372] write(3, "1000", 4) = 4 [pid 7372] close(3) = 0 [pid 7372] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5000] <... openat resumed>) = 3 [pid 4998] lstat("./116/bus", [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] close(3 [pid 4998] umount2("./116/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... close resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7372] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7372] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7372] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] openat(AT_FDCWD, "./116/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7372] <... clone resumed>, parent_tid=[7373], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7373 [pid 7372] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... openat resumed>) = 4 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7374 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, [pid 7372] <... futex resumed>) = 0 [pid 7372] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7374 attached [pid 7374] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7374] chdir("./117" [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 7373 attached [pid 7363] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4998] getdents64(4, [pid 7374] <... chdir resumed>) = 0 [pid 7373] set_robust_list(0x7f6a589f59e0, 24 [pid 7363] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7373] <... set_robust_list resumed>) = 0 [pid 7363] <... futex resumed>) = 0 [pid 7374] <... prctl resumed>) = 0 [pid 4998] close(4 [pid 7363] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] <... close resumed>) = 0 [pid 7374] setpgid(0, 0 [pid 4998] rmdir("./116/bus" [pid 7362] exit_group(0 [pid 7371] <... futex resumed>) = ? [pid 7362] <... exit_group resumed>) = ? [pid 7363] <... futex resumed>) = ? [pid 4998] <... rmdir resumed>) = 0 [pid 7374] <... setpgid resumed>) = 0 [pid 7373] memfd_create("syzkaller", 0 [pid 7371] +++ exited with 0 +++ [pid 7363] +++ exited with 0 +++ [pid 4998] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7373] <... memfd_create resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7374] <... openat resumed>) = 3 [pid 7373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7362] +++ exited with 0 +++ [pid 4998] lstat("./116/binderfs", [pid 7373] <... mmap resumed>) = 0x7f6a505d5000 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7362, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7374] write(3, "1000", 4 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./116/binderfs" [pid 7374] <... write resumed>) = 4 [pid 7374] close(3 [pid 4998] <... unlink resumed>) = 0 [pid 7374] <... close resumed>) = 0 [pid 4998] getdents64(3, [pid 7374] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7374] <... symlink resumed>) = 0 [pid 4998] close(3 [pid 7374] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... close resumed>) = 0 [pid 7374] <... futex resumed>) = 0 [pid 4998] rmdir("./116" [pid 7374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7374] <... mmap resumed>) = 0x7f6a589d5000 [pid 4998] mkdir("./117", 0777 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7374] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7374] <... mprotect resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] <... openat resumed>) = 3 [pid 7374] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] <... openat resumed>) = 3 [pid 4997] fstat(3, [pid 4998] ioctl(3, LOOP_CLR_FD [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7374] <... clone resumed>, parent_tid=[7375], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7375 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] getdents64(3, [pid 7374] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] close(3 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7374] <... futex resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4997] umount2("./115/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7375 attached [pid 7374] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7373] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 160.739859][ T7363] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 160.752870][ T7363] overlayfs: failed to resolve './file0': -2 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7375] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7375] memfd_create("syzkaller", 0) = 3 [pid 7375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7376 ./strace-static-x86_64: Process 7376 attached [pid 7375] <... mmap resumed>) = 0x7f6a505d5000 [pid 4997] <... umount2 resumed>) = 0 [pid 7376] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7376] chdir("./117") = 0 [pid 4997] umount2("./115/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7376] <... prctl resumed>) = 0 [pid 4997] lstat("./115/bus", [pid 7376] setpgid(0, 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7376] <... setpgid resumed>) = 0 [pid 4997] umount2("./115/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7376] <... openat resumed>) = 3 [pid 7376] write(3, "1000", 4 [pid 4997] openat(AT_FDCWD, "./115/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7376] <... write resumed>) = 4 [pid 7376] close(3 [pid 4997] <... openat resumed>) = 4 [pid 7376] <... close resumed>) = 0 [pid 7376] symlink("/dev/binderfs", "./binderfs" [pid 4997] fstat(4, [pid 7376] <... symlink resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7376] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4997] getdents64(4, [pid 7376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7376] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4997] getdents64(4, [pid 7376] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7376] <... clone resumed>, parent_tid=[7377], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7377 [pid 4997] close(4 [pid 7376] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... close resumed>) = 0 [pid 7376] <... futex resumed>) = 0 [pid 4997] rmdir("./115/bus" [pid 7376] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... rmdir resumed>) = 0 [pid 4997] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./115/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./115") = 0 [pid 4997] mkdir("./116", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7378 ./strace-static-x86_64: Process 7378 attached [pid 7378] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7378] chdir("./116") = 0 [pid 7378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7378] setpgid(0, 0) = 0 [pid 7378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7378] write(3, "1000", 4) = 4 [pid 7378] close(3) = 0 [pid 7378] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7378] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7378] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7378] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7379], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7379 [pid 7378] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7378] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7379 attached ./strace-static-x86_64: Process 7377 attached [pid 7377] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7379] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7377] memfd_create("syzkaller", 0 [pid 7379] memfd_create("syzkaller", 0 [pid 7377] <... memfd_create resumed>) = 3 [pid 7377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7379] <... memfd_create resumed>) = 3 [pid 7379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7379] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7375] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7373] <... write resumed>) = 4194304 [pid 7377] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7373] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7373] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7373] ioctl(4, LOOP_SET_FD, 3 [pid 7379] <... write resumed>) = 4194304 [pid 7379] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7379] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7379] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7379] close(3) = 0 [pid 7379] mkdir("./bus", 0777) = 0 [pid 7379] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7373] <... ioctl resumed>) = 0 [pid 7373] close(3) = 0 [pid 7373] mkdir("./bus", 0777) = 0 [pid 7373] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7375] <... write resumed>) = 4194304 [ 160.903126][ T7373] loop4: detected capacity change from 0 to 8192 [ 160.918069][ T7379] loop0: detected capacity change from 0 to 8192 [ 160.934887][ T7379] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7377] <... write resumed>) = 4194304 [pid 7375] munmap(0x7f6a505d5000, 4194304 [pid 7377] munmap(0x7f6a505d5000, 4194304 [pid 7375] <... munmap resumed>) = 0 [pid 7377] <... munmap resumed>) = 0 [pid 7375] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7377] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 160.940974][ T7373] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 160.948361][ T7379] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 160.970881][ T7379] REISERFS (device loop0): using ordered data mode [ 160.977608][ T7373] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 160.977774][ T7379] reiserfs: using flush barriers [ 160.989039][ T7373] REISERFS (device loop4): using ordered data mode [pid 7377] ioctl(4, LOOP_SET_FD, 3 [pid 7375] <... openat resumed>) = 4 [pid 7377] <... ioctl resumed>) = 0 [pid 7375] ioctl(4, LOOP_SET_FD, 3 [pid 7377] close(3) = 0 [pid 7377] mkdir("./bus", 0777) = 0 [ 160.994186][ T7377] loop1: detected capacity change from 0 to 8192 [ 160.999327][ T7373] reiserfs: using flush barriers [ 161.005015][ T7379] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 161.011133][ T7373] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 161.027977][ T7379] REISERFS (device loop0): checking transaction log (loop0) [pid 7377] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7375] <... ioctl resumed>) = 0 [ 161.042589][ T7375] loop3: detected capacity change from 0 to 8192 [ 161.049776][ T7373] REISERFS (device loop4): checking transaction log (loop4) [ 161.056881][ T7379] REISERFS (device loop0): Using r5 hash to sort names [ 161.063658][ T7377] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 161.070539][ T7379] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 161.084048][ T7373] REISERFS (device loop4): Using r5 hash to sort names [pid 7375] close(3) = 0 [pid 7375] mkdir("./bus", 0777) = 0 [ 161.095633][ T7377] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 161.111672][ T7377] REISERFS (device loop1): using ordered data mode [ 161.118219][ T7377] reiserfs: using flush barriers [ 161.124313][ T7377] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 161.124692][ T7375] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7375] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7379] <... mount resumed>) = 0 [ 161.140767][ T7377] REISERFS (device loop1): checking transaction log (loop1) [ 161.154967][ T7373] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 161.161065][ T7379] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 161.175154][ T7377] REISERFS (device loop1): Using r5 hash to sort names [ 161.182815][ T7375] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7379] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7379] chdir("./bus") = 0 [pid 7379] ioctl(4, LOOP_CLR_FD) = 0 [pid 7379] close(4) = 0 [pid 7373] <... mount resumed>) = 0 [pid 7373] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7373] chdir("./bus") = 0 [pid 7373] ioctl(4, LOOP_CLR_FD [pid 7379] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7378] <... futex resumed>) = 0 [pid 7379] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] <... futex resumed>) = 0 [pid 7378] <... futex resumed>) = 1 [pid 7379] mkdir("./file1", 000 [pid 7378] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7379] <... mkdir resumed>) = 0 [pid 7379] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7378] <... futex resumed>) = 0 [pid 7379] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] <... futex resumed>) = 0 [ 161.191111][ T7377] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 161.198703][ T7375] REISERFS (device loop3): using ordered data mode [ 161.213088][ T7373] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 161.217924][ T7375] reiserfs: using flush barriers [pid 7378] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7379] mkdir("./bus", 000) = 0 [pid 7379] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7378] <... futex resumed>) = 0 [pid 7379] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... mount resumed>) = 0 [pid 7379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] <... futex resumed>) = 0 [pid 7373] <... ioctl resumed>) = 0 [pid 7379] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7378] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7373] close(4 [pid 7377] <... openat resumed>) = 3 [pid 7373] <... close resumed>) = 0 [pid 7377] chdir("./bus" [pid 7373] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... chdir resumed>) = 0 [pid 7373] <... futex resumed>) = 1 [pid 7372] <... futex resumed>) = 0 [pid 7377] ioctl(4, LOOP_CLR_FD [pid 7373] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7372] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... ioctl resumed>) = 0 [pid 7373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7372] <... futex resumed>) = 0 [pid 7377] close(4 [pid 7373] mkdir("./file1", 000 [pid 7372] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] <... close resumed>) = 0 [pid 7373] <... mkdir resumed>) = 0 [ 161.242753][ T7375] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 161.243621][ T7377] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 161.268643][ T7375] REISERFS (device loop3): checking transaction log (loop3) [ 161.271536][ T7379] overlayfs: upper fs needs to support d_type. [ 161.283222][ T7375] REISERFS (device loop3): Using r5 hash to sort names [ 161.291106][ T7375] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7377] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... futex resumed>) = 1 [pid 7373] <... futex resumed>) = 1 [pid 7372] <... futex resumed>) = 0 [pid 7377] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7372] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7372] <... futex resumed>) = 0 [pid 7373] mkdir("./bus", 000 [pid 7372] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7373] <... mkdir resumed>) = 0 [pid 7373] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7372] <... futex resumed>) = 0 [pid 7373] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7372] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7372] <... futex resumed>) = 0 [pid 7373] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7372] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... futex resumed>) = 0 [pid 7376] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... futex resumed>) = 0 [pid 7376] <... futex resumed>) = 1 [pid 7377] mkdir("./file1", 000) = 0 [pid 7377] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7377] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7376] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7376] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 161.301639][ T7379] overlayfs: upper fs does not support tmpfile. [ 161.310719][ T7373] overlayfs: upper fs needs to support d_type. [ 161.316915][ T7373] overlayfs: upper fs does not support tmpfile. [ 161.324892][ T7379] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 161.333025][ T7373] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 161.336574][ T7375] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 161.341205][ T7379] overlayfs: failed to resolve './file0': -2 [pid 7372] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7372] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7372] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7378] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... futex resumed>) = 1 [pid 7377] <... futex resumed>) = 0 [pid 7377] mkdir("./bus", 000 [pid 7378] <... futex resumed>) = 0 [pid 7376] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7377] <... mkdir resumed>) = 0 [pid 7372] <... clone resumed>, parent_tid=[7384], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7384 [pid 7377] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... futex resumed>) = 1 [pid 7376] <... futex resumed>) = 0 [pid 7372] <... futex resumed>) = 0 [pid 7377] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7376] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7384 attached [pid 7378] <... mmap resumed>) = 0x7f6a509b4000 [pid 7376] <... futex resumed>) = 0 [pid 7375] <... mount resumed>) = 0 [pid 7378] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7375] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7378] <... mprotect resumed>) = 0 [pid 7375] <... openat resumed>) = 3 [pid 7378] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7375] chdir("./bus") = 0 [pid 7378] <... clone resumed>, parent_tid=[7385], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7385 [pid 7375] ioctl(4, LOOP_CLR_FD [pid 7378] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7384] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7384] mkdir(".", 0777 [pid 7373] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7375] <... ioctl resumed>) = 0 [pid 7373] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... futex resumed>) = 0 [pid 7384] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7384] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7373] <... futex resumed>) = 0 [pid 7378] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7375] close(4 [pid 7373] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] <... close resumed>) = 0 ./strace-static-x86_64: Process 7385 attached [pid 7385] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7385] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7385] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7375] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7375] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7374] <... futex resumed>) = 0 [pid 7374] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7374] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7384] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7375] mkdir("./file1", 000) = 0 [pid 7379] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7379] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7375] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] <... futex resumed>) = 1 [pid 7374] <... futex resumed>) = 0 [pid 7374] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7374] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7375] mkdir("./bus", 000 [pid 7384] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... mkdir resumed>) = 0 [pid 7375] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] <... futex resumed>) = 1 [pid 7372] <... futex resumed>) = 0 [pid 7372] exit_group(0 [pid 7373] <... futex resumed>) = ? [pid 7372] <... exit_group resumed>) = ? [pid 7373] +++ exited with 0 +++ [pid 7375] <... futex resumed>) = 1 [pid 7374] <... futex resumed>) = 0 [pid 7374] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7375] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 161.359878][ T7377] overlayfs: upper fs needs to support d_type. [ 161.360767][ T7373] overlayfs: failed to resolve './file0': -2 [ 161.366066][ T7377] overlayfs: upper fs does not support tmpfile. [ 161.384601][ T7384] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 161.390932][ T7377] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7374] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7384] +++ exited with 0 +++ [pid 7376] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7372] +++ exited with 0 +++ [pid 7376] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7376] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7376] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7386], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7386 [pid 7376] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7376] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7386 attached [pid 7386] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7386] mkdir(".", 0777) = -1 EEXIST (File exists) [ 161.415729][ T7375] overlayfs: upper fs needs to support d_type. [ 161.422472][ T7377] overlayfs: failed to resolve './file0': -2 [ 161.425881][ T7375] overlayfs: upper fs does not support tmpfile. [ 161.429317][ T7385] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 161.435935][ T7375] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7386] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7372, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7374] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7374] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7374] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7374] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7387], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7387 [pid 5001] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7374] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7374] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7385] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7387 attached [pid 7385] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... futex resumed>) = 0 [pid 7378] exit_group(0) = ? [pid 5001] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7379] <... futex resumed>) = ? [pid 7387] set_robust_list(0x7f6a509d49e0, 24 [pid 7377] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7377] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7377] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7385] <... futex resumed>) = ? [pid 7385] +++ exited with 0 +++ [pid 7386] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7386] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... futex resumed>) = 0 [pid 7376] exit_group(0 [pid 7377] <... futex resumed>) = ? [pid 7376] <... exit_group resumed>) = ? [pid 7377] +++ exited with 0 +++ [pid 7386] <... futex resumed>) = ? [pid 5001] <... openat resumed>) = 3 [pid 7386] +++ exited with 0 +++ [pid 7376] +++ exited with 0 +++ [pid 7379] +++ exited with 0 +++ [pid 7378] +++ exited with 0 +++ [pid 7387] <... set_robust_list resumed>) = 0 [pid 5001] fstat(3, [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7378, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7376, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7387] mkdir(".", 0777 [pid 5001] getdents64(3, [pid 4998] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7387] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7387] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7375] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7375] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... openat resumed>) = 3 [pid 4997] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] umount2("./116/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... openat resumed>) = 3 [pid 4998] getdents64(3, [pid 4997] fstat(3, [pid 7375] <... futex resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] getdents64(3, [pid 4998] umount2("./117/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./116/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7375] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7387] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7387] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = 0 [pid 7374] exit_group(0 [pid 7375] <... futex resumed>) = ? [pid 7374] <... exit_group resumed>) = ? [pid 7375] +++ exited with 0 +++ [pid 7387] <... futex resumed>) = ? [pid 7387] +++ exited with 0 +++ [pid 7374] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7374, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 161.455027][ T7386] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 161.458791][ T7375] overlayfs: failed to resolve './file0': -2 [ 161.494268][ T7387] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5000] umount2("./117/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 4997] umount2("./116/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./116/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./117/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./116/bus", [pid 5001] lstat("./116/bus", [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] lstat("./117/bus", [pid 4997] umount2("./116/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./116/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./116/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] umount2("./117/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] openat(AT_FDCWD, "./116/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 4 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] fstat(4, [pid 4998] openat(AT_FDCWD, "./117/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... openat resumed>) = 4 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... openat resumed>) = 4 [pid 4997] fstat(4, [pid 5001] getdents64(4, [pid 4998] fstat(4, [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] getdents64(4, [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] close(4 [pid 4997] getdents64(4, [pid 5001] <... close resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] rmdir("./116/bus" [pid 4998] getdents64(4, [pid 4997] close(4 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] <... close resumed>) = 0 [pid 5001] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] close(4 [pid 4997] rmdir("./116/bus" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... close resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 5001] lstat("./116/binderfs", [pid 4998] rmdir("./117/bus" [pid 4997] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./116/binderfs" [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... unlink resumed>) = 0 [pid 4998] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] lstat("./116/binderfs", [pid 5001] getdents64(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] lstat("./117/binderfs", [pid 4997] unlink("./116/binderfs" [pid 5001] close(3 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... close resumed>) = 0 [pid 4998] unlink("./117/binderfs" [pid 4997] <... unlink resumed>) = 0 [pid 5001] rmdir("./116" [pid 4998] <... unlink resumed>) = 0 [pid 4997] getdents64(3, [pid 5001] <... rmdir resumed>) = 0 [pid 4998] getdents64(3, [pid 5001] mkdir("./117", 0777 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4998] close(3 [pid 4997] close(3 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4998] rmdir("./117" [pid 4997] rmdir("./116" [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4998] <... rmdir resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] <... rmdir resumed>) = 0 [pid 4998] mkdir("./118", 0777 [pid 5001] close(3 [pid 4997] mkdir("./117", 0777 [pid 5001] <... close resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4998] <... openat resumed>) = 3 [pid 4997] <... openat resumed>) = 3 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7388 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 4997] ioctl(3, LOOP_CLR_FD [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] close(3 [pid 4997] close(3 [pid 4998] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7389 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7390 ./strace-static-x86_64: Process 7390 attached [pid 7390] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7390] chdir("./117") = 0 [pid 7390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7390] setpgid(0, 0) = 0 [pid 7390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7390] write(3, "1000", 4) = 4 [pid 7390] close(3) = 0 [pid 7390] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7390] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7390] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7390] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7391], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7391 [pid 7390] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7390] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7391 attached [pid 7391] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7391] memfd_create("syzkaller", 0) = 3 [pid 7391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7389 attached ./strace-static-x86_64: Process 7388 attached [pid 7389] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7388] set_robust_list(0x5555564f86e0, 24 [pid 7389] chdir("./118" [pid 7388] <... set_robust_list resumed>) = 0 [pid 7388] chdir("./117" [pid 7389] <... chdir resumed>) = 0 [pid 7389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7388] <... chdir resumed>) = 0 [pid 7389] <... prctl resumed>) = 0 [pid 7388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7388] setpgid(0, 0 [pid 7389] setpgid(0, 0 [pid 7388] <... setpgid resumed>) = 0 [pid 7389] <... setpgid resumed>) = 0 [pid 7388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7388] <... openat resumed>) = 3 [pid 7388] write(3, "1000", 4 [pid 7389] write(3, "1000", 4 [pid 7388] <... write resumed>) = 4 [pid 7389] <... write resumed>) = 4 [pid 7388] close(3 [pid 7389] close(3 [pid 7388] <... close resumed>) = 0 [pid 7389] <... close resumed>) = 0 [pid 7388] symlink("/dev/binderfs", "./binderfs" [pid 7389] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 7389] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... symlink resumed>) = 0 [pid 7389] <... futex resumed>) = 0 [pid 7388] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7388] <... futex resumed>) = 0 [pid 7389] <... mmap resumed>) = 0x7f6a589d5000 [pid 7388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7389] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7388] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7389] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7388] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7389] <... clone resumed>, parent_tid=[7392], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7392 [pid 7388] <... clone resumed>, parent_tid=[7393], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7393 [pid 7389] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] <... futex resumed>) = 0 [pid 7388] <... futex resumed>) = 0 [pid 7389] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7388] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7391] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7392 attached [pid 7392] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7392] memfd_create("syzkaller", 0) = 3 [pid 7392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5000] umount2("./117/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7393 attached ) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./117/bus", [pid 7393] set_robust_list(0x7f6a589f59e0, 24 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7393] <... set_robust_list resumed>) = 0 [pid 5000] umount2("./117/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./117/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, [pid 7393] memfd_create("syzkaller", 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, [pid 7393] <... memfd_create resumed>) = 3 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./117/bus") = 0 [pid 5000] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./117/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./117") = 0 [pid 5000] mkdir("./118", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7394 ./strace-static-x86_64: Process 7394 attached [pid 7394] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7394] chdir("./118") = 0 [pid 7394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7394] setpgid(0, 0) = 0 [pid 7394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7394] write(3, "1000", 4 [pid 7391] <... write resumed>) = 4194304 [pid 7394] <... write resumed>) = 4 [pid 7394] close(3) = 0 [pid 7394] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7391] munmap(0x7f6a505d5000, 4194304 [pid 7394] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7392] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7394] <... mmap resumed>) = 0x7f6a589d5000 [pid 7394] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7394] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7395], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7395 [pid 7394] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7394] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7391] <... munmap resumed>) = 0 [pid 7391] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7391] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7395 attached [pid 7395] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7395] memfd_create("syzkaller", 0) = 3 [pid 7395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7391] <... ioctl resumed>) = 0 [pid 7391] close(3) = 0 [pid 7391] mkdir("./bus", 0777) = 0 [pid 7391] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7392] <... write resumed>) = 4194304 [pid 7392] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7392] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 161.707542][ T7391] loop0: detected capacity change from 0 to 8192 [ 161.729517][ T7391] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7392] ioctl(4, LOOP_SET_FD, 3 [pid 7393] <... write resumed>) = 4194304 [pid 7393] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7392] <... ioctl resumed>) = 0 [pid 7392] close(3) = 0 [pid 7392] mkdir("./bus", 0777) = 0 [pid 7392] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7393] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7393] ioctl(4, LOOP_SET_FD, 3 [pid 7395] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7393] <... ioctl resumed>) = 0 [pid 7393] close(3) = 0 [pid 7393] mkdir("./bus", 0777) = 0 [ 161.763957][ T7392] loop1: detected capacity change from 0 to 8192 [ 161.769112][ T7391] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 161.782112][ T7391] REISERFS (device loop0): using ordered data mode [ 161.789013][ T7391] reiserfs: using flush barriers [ 161.789597][ T7393] loop4: detected capacity change from 0 to 8192 [pid 7393] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7395] <... write resumed>) = 4194304 [pid 7395] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7395] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7395] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7395] close(3) = 0 [pid 7395] mkdir("./bus", 0777) = 0 [ 161.794992][ T7391] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 161.817627][ T7393] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 161.817645][ T7392] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 161.830840][ T7393] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 161.853883][ T7395] loop3: detected capacity change from 0 to 8192 [ 161.853920][ T7391] REISERFS (device loop0): checking transaction log (loop0) [ 161.863645][ T7392] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 161.868612][ T7393] REISERFS (device loop4): using ordered data mode [ 161.877562][ T7392] REISERFS (device loop1): using ordered data mode [ 161.884557][ T7391] REISERFS (device loop0): Using r5 hash to sort names [ 161.890385][ T7395] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 161.897271][ T7391] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 161.910375][ T7392] reiserfs: using flush barriers [ 161.922551][ T7393] reiserfs: using flush barriers [ 161.928117][ T7395] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 161.933349][ T7393] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7395] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7391] <... mount resumed>) = 0 [pid 7391] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7391] chdir("./bus") = 0 [ 161.942651][ T7391] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 161.958065][ T7393] REISERFS (device loop4): checking transaction log (loop4) [ 161.975108][ T7393] REISERFS (device loop4): Using r5 hash to sort names [ 161.982344][ T7393] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 161.982942][ T7392] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7391] ioctl(4, LOOP_CLR_FD) = 0 [pid 7391] close(4) = 0 [pid 7391] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] <... futex resumed>) = 0 [pid 7390] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7390] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] <... futex resumed>) = 1 [pid 7391] mkdir("./file1", 000) = 0 [pid 7391] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] <... futex resumed>) = 0 [pid 7390] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7390] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] <... futex resumed>) = 1 [pid 7391] mkdir("./bus", 000) = 0 [pid 7391] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] <... futex resumed>) = 0 [pid 7390] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7390] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] <... futex resumed>) = 1 [ 161.995115][ T7393] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 162.021021][ T7395] REISERFS (device loop3): using ordered data mode [ 162.041053][ T7395] reiserfs: using flush barriers [ 162.041297][ T7391] overlayfs: upper fs needs to support d_type. [pid 7391] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7393] <... mount resumed>) = 0 [pid 7393] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7390] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7390] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7390] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7390] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7400], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7400 [pid 7390] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7390] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7400 attached [pid 7393] <... openat resumed>) = 3 [ 162.047877][ T7395] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 162.053700][ T7392] REISERFS (device loop1): checking transaction log (loop1) [ 162.069236][ T7395] REISERFS (device loop3): checking transaction log (loop3) [ 162.076937][ T7391] overlayfs: upper fs does not support tmpfile. [ 162.084213][ T7395] REISERFS (device loop3): Using r5 hash to sort names [ 162.095596][ T7391] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 162.097057][ T7395] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7400] set_robust_list(0x7f6a509d49e0, 24 [pid 7393] chdir("./bus" [pid 7400] <... set_robust_list resumed>) = 0 [pid 7400] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7400] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7393] <... chdir resumed>) = 0 [pid 7393] ioctl(4, LOOP_CLR_FD) = 0 [pid 7393] close(4) = 0 [pid 7393] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7393] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7388] <... futex resumed>) = 0 [ 162.106756][ T7391] overlayfs: failed to resolve './file0': -2 [ 162.116699][ T7395] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 162.128605][ T7392] REISERFS (device loop1): Using r5 hash to sort names [ 162.143235][ T7400] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7388] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7395] <... mount resumed>) = 0 [pid 7393] <... futex resumed>) = 0 [pid 7388] <... futex resumed>) = 1 [pid 7393] mkdir("./file1", 000 [pid 7391] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7393] <... mkdir resumed>) = 0 [pid 7391] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = 0 [pid 7393] <... futex resumed>) = 0 [pid 7391] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7400] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7390] <... futex resumed>) = 0 [pid 7400] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7390] exit_group(0 [pid 7400] <... futex resumed>) = ? [pid 7391] <... futex resumed>) = ? [pid 7390] <... exit_group resumed>) = ? [pid 7400] +++ exited with 0 +++ [pid 7391] +++ exited with 0 +++ [pid 7390] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7390, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7395] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7395] chdir("./bus") = 0 [pid 7395] ioctl(4, LOOP_CLR_FD) = 0 [pid 7395] close(4) = 0 [pid 7388] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7395] <... futex resumed>) = 1 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7395] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./117/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7392] <... mount resumed>) = 0 [pid 7392] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7392] chdir("./bus") = 0 [pid 7392] ioctl(4, LOOP_CLR_FD) = 0 [pid 7392] close(4) = 0 [pid 7392] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7389] <... futex resumed>) = 0 [pid 7392] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7394] <... futex resumed>) = 0 [pid 7394] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... futex resumed>) = 1 [pid 7395] <... futex resumed>) = 0 [pid 7395] mkdir("./file1", 000) = 0 [pid 7394] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7393] <... futex resumed>) = 0 [pid 7389] <... futex resumed>) = 0 [pid 7388] <... futex resumed>) = 1 [pid 7389] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] mkdir("./bus", 000 [pid 7395] <... futex resumed>) = 1 [pid 7393] <... mkdir resumed>) = 0 [pid 7395] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7394] <... futex resumed>) = 0 [pid 7393] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] <... futex resumed>) = 1 [pid 7388] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7394] <... futex resumed>) = 1 [pid 7393] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7388] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] mkdir("./bus", 000 [pid 7394] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7388] <... futex resumed>) = 0 [pid 7395] <... mkdir resumed>) = 0 [pid 7393] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7388] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7395] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7392] mkdir("./file1", 000) = 0 [pid 7392] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7392] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] <... futex resumed>) = 0 [pid 7394] <... futex resumed>) = 0 [pid 7394] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... futex resumed>) = 0 [pid 7394] <... futex resumed>) = 1 [pid 7395] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7394] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 162.148585][ T7392] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 162.170773][ T7392] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 162.197543][ T7393] overlayfs: upper fs needs to support d_type. [ 162.206370][ T7395] overlayfs: upper fs needs to support d_type. [pid 7389] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... futex resumed>) = 0 [pid 7389] <... futex resumed>) = 1 [pid 7392] mkdir("./bus", 000 [pid 7389] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] <... mkdir resumed>) = 0 [pid 7392] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7392] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7389] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... futex resumed>) = 0 [pid 7389] <... futex resumed>) = 1 [pid 7392] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7389] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7388] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7388] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7388] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7401], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7401 [pid 7388] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 162.207857][ T7393] overlayfs: upper fs does not support tmpfile. [ 162.216684][ T7395] overlayfs: upper fs does not support tmpfile. [ 162.231149][ T7392] overlayfs: upper fs needs to support d_type. [ 162.235227][ T7393] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 162.243383][ T7395] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7388] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7394] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7394] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7394] <... futex resumed>) = 0 [pid 7389] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7389] <... futex resumed>) = 0 [pid 7394] <... mmap resumed>) = 0x7f6a509b4000 [pid 7389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7394] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7389] <... mmap resumed>) = 0x7f6a509b4000 [pid 7394] <... mprotect resumed>) = 0 [pid 7389] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7394] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7389] <... mprotect resumed>) = 0 [pid 7389] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7394] <... clone resumed>, parent_tid=[7402], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7402 [pid 7394] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7389] <... clone resumed>, parent_tid=[7403], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7403 [pid 7394] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7389] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7389] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7403 attached [pid 7403] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7403] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7403] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7402 attached ./strace-static-x86_64: Process 7401 attached [pid 4997] <... umount2 resumed>) = 0 [pid 7402] set_robust_list(0x7f6a509d49e0, 24 [pid 7401] set_robust_list(0x7f6a509d49e0, 24 [pid 7402] <... set_robust_list resumed>) = 0 [pid 7401] <... set_robust_list resumed>) = 0 [pid 4997] umount2("./117/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7402] mkdir(".", 0777 [pid 7401] mkdir(".", 0777 [pid 7402] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7401] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 162.267916][ T7392] overlayfs: upper fs does not support tmpfile. [ 162.270831][ T7393] overlayfs: failed to resolve './file0': -2 [ 162.295867][ T7392] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 162.304129][ T7395] overlayfs: failed to resolve './file0': -2 [pid 7402] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7401] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4997] lstat("./117/bus", [pid 7395] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7395] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7393] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] <... futex resumed>) = 0 [pid 4997] umount2("./117/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./117/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./117/bus") = 0 [pid 4997] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./117/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./117") = 0 [pid 4997] mkdir("./118", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7404 [ 162.314415][ T7392] overlayfs: failed to resolve './file0': -2 [ 162.325435][ T7403] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 162.334473][ T7402] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" ./strace-static-x86_64: Process 7404 attached [pid 7403] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7402] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7402] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... futex resumed>) = 0 [pid 7394] exit_group(0 [pid 7404] set_robust_list(0x5555564f86e0, 24 [pid 7403] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... futex resumed>) = ? [pid 7394] <... exit_group resumed>) = ? [pid 7403] <... futex resumed>) = 1 [pid 7404] <... set_robust_list resumed>) = 0 [pid 7401] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7402] <... futex resumed>) = ? [pid 7404] chdir("./118" [pid 7403] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7401] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] +++ exited with 0 +++ [pid 7389] <... futex resumed>) = 0 [pid 7404] <... chdir resumed>) = 0 [pid 7401] <... futex resumed>) = 1 [pid 7388] <... futex resumed>) = 0 [pid 7388] exit_group(0 [pid 7393] <... futex resumed>) = ? [pid 7388] <... exit_group resumed>) = ? [pid 7404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7393] +++ exited with 0 +++ [pid 7404] <... prctl resumed>) = 0 [pid 7404] setpgid(0, 0) = 0 [pid 7404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7404] write(3, "1000", 4) = 4 [pid 7404] close(3) = 0 [pid 7404] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7392] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7404] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] <... futex resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7392] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7404] <... mmap resumed>) = 0x7f6a589d5000 [pid 7389] exit_group(0 [pid 7404] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7403] <... futex resumed>) = ? [pid 7392] <... futex resumed>) = ? [pid 7389] <... exit_group resumed>) = ? [pid 7404] <... mprotect resumed>) = 0 [pid 7403] +++ exited with 0 +++ [pid 7401] +++ exited with 0 +++ [pid 7392] +++ exited with 0 +++ [pid 7389] +++ exited with 0 +++ [pid 7388] +++ exited with 0 +++ [pid 7402] +++ exited with 0 +++ [pid 7394] +++ exited with 0 +++ [pid 7404] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7389, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- ./strace-static-x86_64: Process 7405 attached [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7388, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7394, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 7404] <... clone resumed>, parent_tid=[7405], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7405 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... restart_syscall resumed>) = 0 [pid 7404] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 7404] <... futex resumed>) = 0 [pid 7405] set_robust_list(0x7f6a589f59e0, 24 [pid 7404] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7405] <... set_robust_list resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7405] memfd_create("syzkaller", 0 [pid 5001] fstat(3, [pid 5000] <... openat resumed>) = 3 [pid 4998] <... openat resumed>) = 3 [ 162.351443][ T7401] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] fstat(3, [pid 4998] fstat(3, [pid 5001] getdents64(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7405] <... memfd_create resumed>) = 3 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] getdents64(3, [pid 5001] umount2("./117/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5000] umount2("./118/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./118/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7405] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./118/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./118/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./118/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./118/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./118/bus") = 0 [pid 4998] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./118/binderfs" [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./117/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... unlink resumed>) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] close(3) = 0 [pid 5001] lstat("./117/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] rmdir("./118" [pid 5001] umount2("./117/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./117/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] <... rmdir resumed>) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4 [pid 4998] mkdir("./119", 0777 [pid 5001] <... close resumed>) = 0 [pid 5001] rmdir("./117/bus" [pid 5000] <... umount2 resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] umount2("./118/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./118/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] lstat("./117/binderfs", [pid 5000] umount2("./118/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] close(3 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./118/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... close resumed>) = 0 [pid 5001] unlink("./117/binderfs" [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... unlink resumed>) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./117") = 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7406 [pid 5001] mkdir("./118", 0777) = 0 [pid 5000] <... openat resumed>) = 4 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] fstat(4, [pid 5001] <... openat resumed>) = 3 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, [pid 5001] close(3 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] close(4) = 0 [pid 5000] rmdir("./118/bus" [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7407 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./118/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3./strace-static-x86_64: Process 7407 attached ) = 0 [pid 5000] rmdir("./118") = 0 [pid 5000] mkdir("./119", 0777./strace-static-x86_64: Process 7406 attached ) = 0 [pid 7406] set_robust_list(0x5555564f86e0, 24 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 7407] set_robust_list(0x5555564f86e0, 24 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7407] <... set_robust_list resumed>) = 0 [pid 7407] chdir("./118" [pid 7406] <... set_robust_list resumed>) = 0 [pid 7406] chdir("./119" [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7408 [pid 7407] <... chdir resumed>) = 0 [pid 7406] <... chdir resumed>) = 0 [pid 7407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7407] <... prctl resumed>) = 0 [pid 7406] <... prctl resumed>) = 0 [pid 7407] setpgid(0, 0 [pid 7406] setpgid(0, 0 [pid 7407] <... setpgid resumed>) = 0 [pid 7406] <... setpgid resumed>) = 0 [pid 7407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7407] <... openat resumed>) = 3 [pid 7406] <... openat resumed>) = 3 [pid 7407] write(3, "1000", 4 [pid 7406] write(3, "1000", 4 [pid 7407] <... write resumed>) = 4 [pid 7406] <... write resumed>) = 4 [pid 7407] close(3 [pid 7406] close(3 [pid 7407] <... close resumed>) = 0 [pid 7406] <... close resumed>) = 0 [pid 7407] symlink("/dev/binderfs", "./binderfs" [pid 7406] symlink("/dev/binderfs", "./binderfs" [pid 7407] <... symlink resumed>) = 0 [pid 7406] <... symlink resumed>) = 0 [pid 7407] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7407] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 0 [pid 7407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7407] <... mmap resumed>) = 0x7f6a589d5000 [pid 7406] <... mmap resumed>) = 0x7f6a589d5000 [pid 7407] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7406] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7407] <... mprotect resumed>) = 0 [pid 7406] <... mprotect resumed>) = 0 [pid 7407] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7406] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7408 attached [pid 7407] <... clone resumed>, parent_tid=[7409], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7409 [pid 7406] <... clone resumed>, parent_tid=[7410], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7410 [pid 7407] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7407] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 0 [pid 7407] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7406] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7408] set_robust_list(0x5555564f86e0, 24) = 0 ./strace-static-x86_64: Process 7409 attached [pid 7409] set_robust_list(0x7f6a589f59e0, 24 [pid 7408] chdir("./119" [pid 7409] <... set_robust_list resumed>) = 0 [pid 7409] memfd_create("syzkaller", 0 [pid 7408] <... chdir resumed>) = 0 [pid 7408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7409] <... memfd_create resumed>) = 3 [pid 7408] setpgid(0, 0 [pid 7409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7408] <... setpgid resumed>) = 0 [pid 7408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7409] <... mmap resumed>) = 0x7f6a505d5000 [pid 7408] <... openat resumed>) = 3 [pid 7408] write(3, "1000", 4) = 4 [pid 7408] close(3) = 0 [pid 7408] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7408] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7408] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7408] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7411], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7411 [pid 7408] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7408] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7411 attached [pid 7411] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7411] memfd_create("syzkaller", 0) = 3 [pid 7411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7410 attached [pid 7410] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7410] memfd_create("syzkaller", 0) = 3 [pid 7410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7405] <... write resumed>) = 4194304 [pid 7405] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7405] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7405] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7405] close(3) = 0 [pid 7409] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7405] mkdir("./bus", 0777) = 0 [pid 7405] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7411] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 162.551903][ T7405] loop0: detected capacity change from 0 to 8192 [ 162.576877][ T7405] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 162.590574][ T7405] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7410] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7410] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7410] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7410] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7410] close(3) = 0 [pid 7410] mkdir("./bus", 0777) = 0 [pid 7410] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7411] <... write resumed>) = 4194304 [pid 7411] munmap(0x7f6a505d5000, 4194304 [pid 7409] <... write resumed>) = 4194304 [pid 7411] <... munmap resumed>) = 0 [ 162.599883][ T7405] REISERFS (device loop0): using ordered data mode [ 162.607232][ T7405] reiserfs: using flush barriers [ 162.614752][ T7405] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 162.637297][ T7410] loop1: detected capacity change from 0 to 8192 [pid 7411] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7409] munmap(0x7f6a505d5000, 4194304 [pid 7411] <... openat resumed>) = 4 [pid 7411] ioctl(4, LOOP_SET_FD, 3 [pid 7409] <... munmap resumed>) = 0 [pid 7409] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 162.660185][ T7405] REISERFS (device loop0): checking transaction log (loop0) [ 162.660583][ T7410] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 162.668474][ T7411] loop3: detected capacity change from 0 to 8192 [ 162.681532][ T7405] REISERFS (device loop0): Using r5 hash to sort names [ 162.689062][ T7409] loop4: detected capacity change from 0 to 8192 [pid 7409] ioctl(4, LOOP_SET_FD, 3 [pid 7411] <... ioctl resumed>) = 0 [pid 7409] <... ioctl resumed>) = 0 [pid 7409] close(3) = 0 [pid 7409] mkdir("./bus", 0777) = 0 [pid 7409] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7411] close(3) = 0 [pid 7411] mkdir("./bus", 0777) = 0 [pid 7411] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7405] <... mount resumed>) = 0 [pid 7405] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7405] chdir("./bus") = 0 [pid 7405] ioctl(4, LOOP_CLR_FD) = 0 [pid 7405] close(4) = 0 [pid 7405] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7405] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7404] <... futex resumed>) = 0 [pid 7404] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7405] <... futex resumed>) = 0 [pid 7404] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7405] mkdir("./file1", 000) = 0 [pid 7405] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7404] <... futex resumed>) = 0 [pid 7405] mkdir("./bus", 000 [pid 7404] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7405] <... mkdir resumed>) = 0 [pid 7404] <... futex resumed>) = 0 [pid 7405] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7405] <... futex resumed>) = 0 [pid 7404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 162.694192][ T7405] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 162.701763][ T7410] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 162.713333][ T7405] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 162.721809][ T7410] REISERFS (device loop1): using ordered data mode [ 162.738526][ T7409] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 162.741622][ T7410] reiserfs: using flush barriers [pid 7405] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7404] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 162.760460][ T7411] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 162.760970][ T7405] overlayfs: upper fs needs to support d_type. [ 162.773737][ T7411] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 162.787653][ T7410] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7404] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7404] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7404] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7404] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7416], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7416 [pid 7404] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7404] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7416 attached [pid 7416] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7416] mkdir(".", 0777) = -1 EEXIST (File exists) [ 162.789529][ T7411] REISERFS (device loop3): using ordered data mode [ 162.811683][ T7411] reiserfs: using flush barriers [ 162.817470][ T7409] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 162.826048][ T7405] overlayfs: upper fs does not support tmpfile. [ 162.826620][ T7411] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 162.838547][ T7410] REISERFS (device loop1): checking transaction log (loop1) [ 162.849530][ T7409] REISERFS (device loop4): using ordered data mode [ 162.863300][ T7409] reiserfs: using flush barriers [ 162.869194][ T7409] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 162.885946][ T7409] REISERFS (device loop4): checking transaction log (loop4) [ 162.889396][ T7416] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 162.907844][ T7411] REISERFS (device loop3): checking transaction log (loop3) [ 162.915783][ T7409] REISERFS (device loop4): Using r5 hash to sort names [ 162.916495][ T7410] REISERFS (device loop1): Using r5 hash to sort names [ 162.923143][ T7411] REISERFS (device loop3): Using r5 hash to sort names [ 162.930744][ T7410] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 162.936762][ T7409] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7416] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7416] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] <... futex resumed>) = 0 [pid 7416] <... futex resumed>) = 1 [pid 7416] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7410] <... mount resumed>) = 0 [pid 7410] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7410] chdir("./bus") = 0 [pid 7410] ioctl(4, LOOP_CLR_FD) = 0 [pid 7410] close(4) = 0 [pid 7410] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7410] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] <... futex resumed>) = 0 [pid 7406] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7410] <... futex resumed>) = 0 [pid 7406] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7410] mkdir("./file1", 000) = 0 [pid 7410] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7406] <... futex resumed>) = 0 [pid 7410] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] <... mount resumed>) = 0 [pid 7409] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7409] chdir("./bus") = 0 [pid 7409] ioctl(4, LOOP_CLR_FD) = 0 [pid 7409] close(4 [pid 7410] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 1 [pid 7410] mkdir("./bus", 000) = 0 [pid 7410] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7409] <... close resumed>) = 0 [pid 7409] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7409] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7407] <... futex resumed>) = 0 [pid 7406] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7407] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7407] <... futex resumed>) = 1 [pid 7406] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 0 [pid 7407] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] <... futex resumed>) = 1 [ 162.951260][ T7410] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 162.962220][ T7405] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 162.978759][ T7411] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 162.994992][ T7409] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 162.996335][ T7405] overlayfs: failed to resolve './file0': -2 [pid 7410] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7406] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7409] <... futex resumed>) = 0 [pid 7409] mkdir("./file1", 000) = 0 [pid 7409] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7409] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7411] <... mount resumed>) = 0 [pid 7407] <... futex resumed>) = 0 [pid 7407] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7409] <... futex resumed>) = 0 [pid 7407] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7409] mkdir("./bus", 000) = 0 [pid 7409] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7407] <... futex resumed>) = 0 [pid 7407] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7407] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7409] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7411] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7411] chdir("./bus") = 0 [ 163.020389][ T7410] overlayfs: upper fs needs to support d_type. [ 163.026623][ T7410] overlayfs: upper fs does not support tmpfile. [ 163.027468][ T7411] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 163.036804][ T7410] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 163.051858][ T7410] overlayfs: failed to resolve './file0': -2 [ 163.059667][ T7409] overlayfs: upper fs needs to support d_type. [pid 7411] ioctl(4, LOOP_CLR_FD) = 0 [pid 7411] close(4) = 0 [pid 7411] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7408] <... futex resumed>) = 0 [pid 7411] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7408] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7410] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7408] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7405] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7408] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7411] mkdir("./file1", 000 [pid 7410] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7405] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] <... mkdir resumed>) = 0 [pid 7410] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 0 [pid 7405] <... futex resumed>) = 0 [pid 7411] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7405] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7404] exit_group(0 [pid 7416] <... futex resumed>) = ? [pid 7411] <... futex resumed>) = 1 [pid 7408] <... futex resumed>) = 0 [pid 7406] <... mmap resumed>) = 0x7f6a509b4000 [pid 7405] <... futex resumed>) = ? [pid 7404] <... exit_group resumed>) = ? [pid 7416] +++ exited with 0 +++ [pid 7408] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] mkdir("./bus", 000 [pid 7408] <... futex resumed>) = 0 [pid 7406] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7405] +++ exited with 0 +++ [pid 7404] +++ exited with 0 +++ [pid 7411] <... mkdir resumed>) = 0 [pid 7408] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] <... mprotect resumed>) = 0 [pid 7411] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7404, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7411] <... futex resumed>) = 0 [pid 4997] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7411] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] <... clone resumed>, parent_tid=[7417], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7417 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7406] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7406] <... futex resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 7406] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./118/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7417 attached [pid 7417] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7417] mkdir(".", 0777 [pid 7408] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] <... futex resumed>) = 0 [pid 7408] <... futex resumed>) = 1 [pid 7407] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7408] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7411] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7407] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7407] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7407] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7418], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7418 [pid 7407] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7407] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7417] <... mkdir resumed>) = -1 EEXIST (File exists) [ 163.065887][ T7409] overlayfs: upper fs does not support tmpfile. [ 163.077324][ T7409] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 163.085450][ T7409] overlayfs: failed to resolve './file0': -2 [ 163.106536][ T7411] overlayfs: upper fs needs to support d_type. [pid 7417] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7418 attached [pid 7418] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7418] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7418] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7409] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7409] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7409] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7408] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7408] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7408] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7408] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7419], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7419 [pid 7408] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7408] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7419 attached [pid 7419] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7419] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7419] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7418] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7418] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 163.121198][ T7411] overlayfs: upper fs does not support tmpfile. [ 163.131176][ T7411] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 163.136437][ T7418] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 163.140470][ T7411] overlayfs: failed to resolve './file0': -2 [pid 7418] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7407] <... futex resumed>) = 0 [pid 7411] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7407] exit_group(0 [pid 7411] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] <... futex resumed>) = ? [pid 7407] <... exit_group resumed>) = ? [pid 7418] <... futex resumed>) = ? [pid 7411] <... futex resumed>) = 0 [pid 7409] +++ exited with 0 +++ [pid 7411] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7419] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7419] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7408] <... futex resumed>) = 0 [pid 7408] exit_group(0 [pid 7411] <... futex resumed>) = ? [pid 7408] <... exit_group resumed>) = ? [pid 7418] +++ exited with 0 +++ [pid 7407] +++ exited with 0 +++ [pid 7411] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7407, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5001] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./118/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7419] <... futex resumed>) = ? [pid 7419] +++ exited with 0 +++ [pid 7408] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7408, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7417] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./119/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7417] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] <... futex resumed>) = 0 [pid 7417] <... futex resumed>) = 1 [pid 7417] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] exit_group(0 [pid 7417] <... futex resumed>) = ? [pid 7410] <... futex resumed>) = ? [pid 7406] <... exit_group resumed>) = ? [pid 7410] +++ exited with 0 +++ [pid 7417] +++ exited with 0 +++ [pid 7406] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7406, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 4998] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 163.156511][ T7417] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 163.169727][ T7419] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] umount2("./119/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./118/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./118/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./118/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./118/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./118/bus") = 0 [pid 4997] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./118/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./118") = 0 [pid 4997] mkdir("./119", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7420 [pid 4998] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7420 attached [pid 7420] set_robust_list(0x5555564f86e0, 24) = 0 [pid 4998] umount2("./119/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7420] chdir("./119" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7420] <... chdir resumed>) = 0 [pid 4998] lstat("./119/bus", [pid 7420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7420] <... prctl resumed>) = 0 [pid 7420] setpgid(0, 0 [pid 4998] umount2("./119/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7420] <... setpgid resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] openat(AT_FDCWD, "./119/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, [pid 7420] <... openat resumed>) = 3 [pid 7420] write(3, "1000", 4 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7420] <... write resumed>) = 4 [pid 4998] getdents64(4, [pid 7420] close(3 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7420] <... close resumed>) = 0 [pid 4998] getdents64(4, [pid 7420] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 7420] <... symlink resumed>) = 0 [pid 4998] rmdir("./119/bus" [pid 7420] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] <... rmdir resumed>) = 0 [pid 7420] <... mmap resumed>) = 0x7f6a589d5000 [pid 4998] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7420] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7420] <... mprotect resumed>) = 0 [pid 4998] lstat("./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7420] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] unlink("./119/binderfs") = 0 [pid 7420] <... clone resumed>, parent_tid=[7421], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7421 [pid 4998] getdents64(3, [pid 7420] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7420] <... futex resumed>) = 0 [pid 4998] close(3 [pid 7420] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./119") = 0 [pid 4998] mkdir("./120", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./119/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./119/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./119/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./119/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./119/bus") = 0 [pid 5000] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./119/binderfs") = 0 ./strace-static-x86_64: Process 7421 attached [pid 7421] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7421] memfd_create("syzkaller", 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./119") = 0 [pid 7421] <... memfd_create resumed>) = 3 [pid 7421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5000] mkdir("./120", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7422 [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7422 attached [pid 7422] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7422] chdir("./120") = 0 [pid 7422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7422] setpgid(0, 0) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7423 [pid 7422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./118/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7422] <... openat resumed>) = 3 [pid 5001] lstat("./118/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./118/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7423 attached [pid 5001] openat(AT_FDCWD, "./118/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7423] set_robust_list(0x5555564f86e0, 24 [pid 5001] <... openat resumed>) = 4 [pid 7423] <... set_robust_list resumed>) = 0 [pid 5001] fstat(4, [pid 7423] chdir("./120" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7423] <... chdir resumed>) = 0 [pid 5001] getdents64(4, [pid 7423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7423] <... prctl resumed>) = 0 [pid 5001] getdents64(4, [pid 7423] setpgid(0, 0 [pid 7422] write(3, "1000", 4 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7423] <... setpgid resumed>) = 0 [pid 7422] <... write resumed>) = 4 [pid 5001] close(4 [pid 7423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7422] close(3 [pid 5001] <... close resumed>) = 0 [pid 7423] <... openat resumed>) = 3 [pid 7422] <... close resumed>) = 0 [pid 5001] rmdir("./118/bus" [pid 7422] symlink("/dev/binderfs", "./binderfs" [pid 7423] write(3, "1000", 4 [pid 7422] <... symlink resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 7423] <... write resumed>) = 4 [pid 7422] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7423] close(3 [pid 7422] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7423] <... close resumed>) = 0 [pid 7422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] lstat("./118/binderfs", [pid 7423] symlink("/dev/binderfs", "./binderfs" [pid 7422] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7423] <... symlink resumed>) = 0 [pid 7422] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] unlink("./118/binderfs" [pid 7423] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] <... mprotect resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 7423] <... futex resumed>) = 0 [pid 7422] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] getdents64(3, [pid 7423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7423] <... mmap resumed>) = 0x7f6a589d5000 [pid 7422] <... clone resumed>, parent_tid=[7424], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7424 [pid 5001] close(3 [pid 7423] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7422] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 7423] <... mprotect resumed>) = 0 [pid 7422] <... futex resumed>) = 0 [pid 5001] rmdir("./118" [pid 7423] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7422] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./119", 0777 [pid 7423] <... clone resumed>, parent_tid=[7425], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7425 ./strace-static-x86_64: Process 7425 attached [pid 5001] <... mkdir resumed>) = 0 [pid 7423] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7423] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 7425] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7425] memfd_create("syzkaller", 0) = 3 [pid 7425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7424 attached [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7424] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7426 [pid 7424] memfd_create("syzkaller", 0) = 3 [pid 7424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7426 attached [pid 7426] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7426] chdir("./119") = 0 [pid 7426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7426] setpgid(0, 0) = 0 [pid 7426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7421] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7426] write(3, "1000", 4) = 4 [pid 7426] close(3) = 0 [pid 7426] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7425] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7426] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7426] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7426] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7427], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7427 [pid 7426] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7426] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7427 attached [pid 7427] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7427] memfd_create("syzkaller", 0) = 3 [pid 7427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7421] <... write resumed>) = 4194304 [pid 7424] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7421] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7421] ioctl(4, LOOP_SET_FD, 3 [pid 7427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7421] <... ioctl resumed>) = 0 [pid 7421] close(3) = 0 [pid 7421] mkdir("./bus", 0777) = 0 [pid 7421] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7425] <... write resumed>) = 4194304 [pid 7425] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7425] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7425] ioctl(4, LOOP_SET_FD, 3 [pid 7424] <... write resumed>) = 4194304 [pid 7425] <... ioctl resumed>) = 0 [pid 7425] close(3) = 0 [pid 7425] mkdir("./bus", 0777) = 0 [pid 7424] munmap(0x7f6a505d5000, 4194304 [pid 7425] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7424] <... munmap resumed>) = 0 [ 163.441780][ T7421] loop0: detected capacity change from 0 to 8192 [ 163.466623][ T7421] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 163.471577][ T7425] loop1: detected capacity change from 0 to 8192 [pid 7427] <... write resumed>) = 4194304 [pid 7424] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7424] ioctl(4, LOOP_SET_FD, 3 [pid 7427] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7427] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7427] ioctl(4, LOOP_SET_FD, 3 [pid 7424] <... ioctl resumed>) = 0 [pid 7424] close(3) = 0 [pid 7424] mkdir("./bus", 0777) = 0 [pid 7424] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7427] <... ioctl resumed>) = 0 [pid 7427] close(3) = 0 [pid 7427] mkdir("./bus", 0777) = 0 [ 163.495351][ T7421] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 163.503322][ T7424] loop3: detected capacity change from 0 to 8192 [ 163.505522][ T7421] REISERFS (device loop0): using ordered data mode [ 163.514604][ T7427] loop4: detected capacity change from 0 to 8192 [ 163.518203][ T7421] reiserfs: using flush barriers [ 163.528931][ T7425] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 163.530822][ T7421] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 163.543069][ T7425] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 163.558586][ T7421] REISERFS (device loop0): checking transaction log (loop0) [ 163.568833][ T7425] REISERFS (device loop1): using ordered data mode [ 163.575477][ T7421] REISERFS (device loop0): Using r5 hash to sort names [ 163.582630][ T7425] reiserfs: using flush barriers [ 163.593605][ T7421] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 163.593612][ T7424] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 163.593692][ T7421] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 163.608895][ T7427] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7427] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7421] <... mount resumed>) = 0 [ 163.608916][ T7427] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 163.608991][ T7427] REISERFS (device loop4): using ordered data mode [ 163.623836][ T7425] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 163.631027][ T7427] reiserfs: using flush barriers [ 163.644593][ T7424] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7421] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7421] chdir("./bus") = 0 [pid 7421] ioctl(4, LOOP_CLR_FD) = 0 [pid 7421] close(4) = 0 [pid 7421] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7420] <... futex resumed>) = 0 [pid 7421] mkdir("./file1", 000 [pid 7420] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] <... mkdir resumed>) = 0 [pid 7420] <... futex resumed>) = 0 [pid 7421] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7420] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7421] <... futex resumed>) = 0 [pid 7420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7421] mkdir("./bus", 000 [pid 7420] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] <... mkdir resumed>) = 0 [pid 7420] <... futex resumed>) = 0 [pid 7421] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7420] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7421] <... futex resumed>) = 0 [pid 7420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7421] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 163.654424][ T7425] REISERFS (device loop1): checking transaction log (loop1) [ 163.660346][ T7424] REISERFS (device loop3): using ordered data mode [ 163.676071][ T7427] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 163.681489][ T7424] reiserfs: using flush barriers [ 163.690548][ T7427] REISERFS (device loop4): checking transaction log (loop4) [ 163.724437][ T7421] overlayfs: upper fs needs to support d_type. [ 163.739042][ T7427] REISERFS (device loop4): Using r5 hash to sort names [pid 7420] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 163.741281][ T7424] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 163.746106][ T7427] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 163.763169][ T7421] overlayfs: upper fs does not support tmpfile. [ 163.781540][ T7425] REISERFS (device loop1): Using r5 hash to sort names [ 163.782312][ T7424] REISERFS (device loop3): checking transaction log (loop3) [pid 7420] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7420] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7420] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7420] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7432], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7432 [pid 7420] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7420] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7425] <... mount resumed>) = 0 [pid 7425] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7425] chdir("./bus") = 0 [pid 7425] ioctl(4, LOOP_CLR_FD) = 0 [pid 7425] close(4./strace-static-x86_64: Process 7432 attached [pid 7427] <... mount resumed>) = 0 [pid 7425] <... close resumed>) = 0 [pid 7421] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7432] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7432] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7432] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7427] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7421] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7427] chdir("./bus") = 0 [pid 7427] ioctl(4, LOOP_CLR_FD [pid 7421] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7427] <... ioctl resumed>) = 0 [pid 7427] close(4) = 0 [ 163.792424][ T7425] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 163.798411][ T7421] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 163.808486][ T7425] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 163.820740][ T7421] overlayfs: failed to resolve './file0': -2 [ 163.824899][ T7427] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 163.839900][ T7424] REISERFS (device loop3): Using r5 hash to sort names [pid 7427] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7427] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7426] <... futex resumed>) = 0 [pid 7426] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] <... futex resumed>) = 0 [pid 7426] <... futex resumed>) = 1 [pid 7432] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7427] mkdir("./file1", 000 [pid 7425] <... futex resumed>) = 1 [pid 7423] <... futex resumed>) = 0 [pid 7427] <... mkdir resumed>) = 0 [pid 7427] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7427] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7426] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7425] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7423] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7432] <... futex resumed>) = 1 [pid 7426] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] mkdir("./file1", 000 [pid 7424] <... mount resumed>) = 0 [pid 7423] <... futex resumed>) = 0 [pid 7420] <... futex resumed>) = 0 [pid 7432] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7427] <... futex resumed>) = 0 [pid 7426] <... futex resumed>) = 1 [pid 7427] mkdir("./bus", 000 [pid 7426] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7425] <... mkdir resumed>) = 0 [pid 7423] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7420] exit_group(0 [pid 7432] <... futex resumed>) = ? [pid 7427] <... mkdir resumed>) = 0 [pid 7425] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7421] <... futex resumed>) = ? [pid 7420] <... exit_group resumed>) = ? [pid 7432] +++ exited with 0 +++ [pid 7427] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] <... futex resumed>) = 0 [pid 7423] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] +++ exited with 0 +++ [pid 7427] <... futex resumed>) = 1 [pid 7427] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7424] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7420] +++ exited with 0 +++ [pid 7426] <... futex resumed>) = 0 [pid 7425] mkdir("./bus", 000 [pid 7423] <... futex resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7420, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7426] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] <... mkdir resumed>) = 0 [pid 7423] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 7427] <... futex resumed>) = 0 [pid 7426] <... futex resumed>) = 1 [pid 7425] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7424] <... openat resumed>) = 3 [pid 7423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4997] <... restart_syscall resumed>) = 0 [pid 7427] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7426] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7425] <... futex resumed>) = 0 [pid 7424] chdir("./bus" [pid 7423] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7424] <... chdir resumed>) = 0 [pid 7423] <... futex resumed>) = 0 [pid 7424] ioctl(4, LOOP_CLR_FD [pid 4997] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7424] <... ioctl resumed>) = 0 [ 163.852715][ T7432] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 163.868893][ T7424] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 163.882581][ T7424] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7424] close(4 [pid 4997] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7424] <... close resumed>) = 0 [pid 7423] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] <... openat resumed>) = 3 [pid 7424] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] fstat(3, [pid 7424] <... futex resumed>) = 1 [pid 7422] <... futex resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7424] mkdir("./file1", 000 [pid 7422] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] getdents64(3, [pid 7424] <... mkdir resumed>) = 0 [pid 7422] <... futex resumed>) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7424] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] umount2("./119/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7424] <... futex resumed>) = 0 [pid 7422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7424] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7422] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7422] <... futex resumed>) = 0 [pid 7424] mkdir("./bus", 000 [pid 7422] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7424] <... mkdir resumed>) = 0 [pid 7424] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7422] <... futex resumed>) = 0 [pid 7424] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7422] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7422] <... futex resumed>) = 0 [pid 7424] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7422] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7426] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7426] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 163.906038][ T7427] overlayfs: upper fs needs to support d_type. [ 163.913265][ T7425] overlayfs: upper fs needs to support d_type. [ 163.921780][ T7425] overlayfs: upper fs does not support tmpfile. [ 163.928417][ T7427] overlayfs: upper fs does not support tmpfile. [ 163.935535][ T7424] overlayfs: upper fs needs to support d_type. [ 163.936046][ T7425] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 163.942484][ T7424] overlayfs: upper fs does not support tmpfile. [pid 7426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7426] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7426] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7433], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7433 [pid 7426] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7426] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7433 attached [pid 7433] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7433] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7433] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7422] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7427] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7422] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] <... futex resumed>) = 0 [pid 7422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7422] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7422] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7434], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7434 [pid 7422] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7422] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7434 attached [pid 7427] <... futex resumed>) = 0 [pid 7423] <... futex resumed>) = 0 [pid 7427] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7425] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7425] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [ 163.956989][ T7427] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 163.969990][ T7427] overlayfs: failed to resolve './file0': -2 [ 163.972156][ T7424] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 163.977618][ T7425] overlayfs: failed to resolve './file0': -2 [pid 7423] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7434] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7434] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7434] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7425] <... futex resumed>) = 0 [pid 7423] <... mprotect resumed>) = 0 [pid 7425] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7423] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7435], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7435 ./strace-static-x86_64: Process 7435 attached [pid 7433] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7423] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... umount2 resumed>) = 0 [pid 7434] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7434] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] <... futex resumed>) = 0 [pid 7434] <... futex resumed>) = 1 [pid 7434] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7435] mkdir(".", 0777) = -1 EEXIST (File exists) [ 164.011232][ T7433] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 164.021809][ T7434] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 164.045753][ T7424] overlayfs: failed to resolve './file0': -2 [pid 7435] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7433] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... futex resumed>) = 0 [pid 4997] umount2("./119/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7433] <... futex resumed>) = 1 [pid 7426] <... futex resumed>) = 0 [pid 7423] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7433] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7426] exit_group(0 [pid 4997] lstat("./119/bus", [pid 7433] <... futex resumed>) = ? [pid 7427] <... futex resumed>) = ? [pid 7426] <... exit_group resumed>) = ? [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7433] +++ exited with 0 +++ [pid 7427] +++ exited with 0 +++ [pid 7426] +++ exited with 0 +++ [pid 4997] umount2("./119/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./119/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./119/bus") = 0 [pid 4997] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./119/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./119") = 0 [pid 4997] mkdir("./120", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 7435] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7426, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 4997] <... close resumed>) = 0 [pid 7435] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7435] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./119/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7436 [pid 7423] <... futex resumed>) = 0 [pid 7423] exit_group(0 [pid 7435] <... futex resumed>) = ? [pid 7425] <... futex resumed>) = ? [pid 7423] <... exit_group resumed>) = ? [pid 7435] +++ exited with 0 +++ [pid 7425] +++ exited with 0 +++ [pid 7424] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7423] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7423, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 4998] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./120/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7424] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] exit_group(0 [pid 7434] <... futex resumed>) = ? [pid 7422] <... exit_group resumed>) = ? [pid 7434] +++ exited with 0 +++ ./strace-static-x86_64: Process 7436 attached [pid 7436] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7436] chdir("./120") = 0 [pid 7424] <... futex resumed>) = ? [pid 7436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7436] setpgid(0, 0) = 0 [pid 7436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7436] write(3, "1000", 4) = 4 [pid 7436] close(3) = 0 [pid 7436] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7436] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7436] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7424] +++ exited with 0 +++ [pid 7422] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7422, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./120/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7436] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7437], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7437 [pid 7436] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7436] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7437 attached [pid 7437] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7437] memfd_create("syzkaller", 0) = 3 [pid 7437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 164.054464][ T7435] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] <... umount2 resumed>) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 4998] umount2("./120/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./119/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./120/bus", [pid 5001] lstat("./119/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./119/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./120/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./119/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] openat(AT_FDCWD, "./120/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 4 [pid 4998] <... openat resumed>) = 4 [pid 5001] fstat(4, [pid 4998] fstat(4, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, [pid 4998] getdents64(4, [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./119/bus" [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, [pid 5001] <... rmdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4 [pid 5001] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... close resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] rmdir("./120/bus" [pid 5001] lstat("./119/binderfs", [pid 4998] <... rmdir resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] unlink("./119/binderfs" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... unlink resumed>) = 0 [pid 4998] lstat("./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] getdents64(3, [pid 4998] unlink("./120/binderfs" [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3 [pid 4998] <... unlink resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4998] getdents64(3, [pid 5001] rmdir("./119" [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] close(3 [pid 5001] mkdir("./120", 0777 [pid 4998] <... close resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4998] rmdir("./120" [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] <... rmdir resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4998] mkdir("./121", 0777 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] <... mkdir resumed>) = 0 [pid 5001] close(3 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] <... close resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] ioctl(3, LOOP_CLR_FD [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7438 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7439 ./strace-static-x86_64: Process 7438 attached [pid 7438] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7438] chdir("./120") = 0 [pid 7438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7438] setpgid(0, 0) = 0 [pid 7438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7438] write(3, "1000", 4) = 4 [pid 7438] close(3) = 0 ./strace-static-x86_64: Process 7439 attached [pid 7438] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7439] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7439] chdir("./121" [pid 5000] <... umount2 resumed>) = 0 [pid 7438] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./120/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7439] <... chdir resumed>) = 0 [pid 7438] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] lstat("./120/bus", [pid 7439] <... prctl resumed>) = 0 [pid 7438] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7439] setpgid(0, 0 [pid 7438] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7437] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] umount2("./120/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7439] <... setpgid resumed>) = 0 [pid 7438] <... mprotect resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7438] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] openat(AT_FDCWD, "./120/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7439] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 4 [pid 7439] write(3, "1000", 4 [pid 7438] <... clone resumed>, parent_tid=[7440], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7440 [pid 5000] fstat(4, [pid 7439] <... write resumed>) = 4 [pid 7438] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7439] close(3 [pid 7438] <... futex resumed>) = 0 [pid 5000] getdents64(4, [pid 7439] <... close resumed>) = 0 [pid 7438] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7439] symlink("/dev/binderfs", "./binderfs" [pid 5000] getdents64(4, [pid 7439] <... symlink resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7439] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(4 [pid 7439] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 7439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] rmdir("./120/bus" [pid 7439] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] <... rmdir resumed>) = 0 [pid 7439] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7439] <... mprotect resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7439] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] lstat("./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7439] <... clone resumed>, parent_tid=[7441], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7441 [pid 5000] unlink("./120/binderfs" [pid 7439] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... unlink resumed>) = 0 [pid 7439] <... futex resumed>) = 0 [pid 5000] getdents64(3, [pid 7439] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7440 attached [pid 5000] close(3 [pid 7440] set_robust_list(0x7f6a589f59e0, 24 [pid 5000] <... close resumed>) = 0 [pid 7440] <... set_robust_list resumed>) = 0 [pid 5000] rmdir("./120"./strace-static-x86_64: Process 7441 attached [pid 7440] memfd_create("syzkaller", 0 [pid 5000] <... rmdir resumed>) = 0 [pid 7441] set_robust_list(0x7f6a589f59e0, 24 [pid 7440] <... memfd_create resumed>) = 3 [pid 5000] mkdir("./121", 0777 [pid 7441] <... set_robust_list resumed>) = 0 [pid 7440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] <... mkdir resumed>) = 0 [pid 7441] memfd_create("syzkaller", 0 [pid 7440] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7441] <... memfd_create resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 7441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 7441] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7442 ./strace-static-x86_64: Process 7442 attached [pid 7442] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7442] chdir("./121") = 0 [pid 7442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7442] setpgid(0, 0) = 0 [pid 7442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7442] write(3, "1000", 4) = 4 [pid 7442] close(3) = 0 [pid 7442] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7442] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7442] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7442] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7443], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7443 [pid 7442] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7442] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7443 attached [pid 7443] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7443] memfd_create("syzkaller", 0) = 3 [pid 7443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7437] <... write resumed>) = 4194304 [pid 7437] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7437] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7437] ioctl(4, LOOP_SET_FD, 3 [pid 7441] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7437] <... ioctl resumed>) = 0 [pid 7440] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7437] close(3) = 0 [pid 7437] mkdir("./bus", 0777) = 0 [pid 7437] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7443] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [ 164.283489][ T7437] loop0: detected capacity change from 0 to 8192 [ 164.313151][ T7437] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7443] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7443] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7443] ioctl(4, LOOP_SET_FD, 3 [pid 7441] <... write resumed>) = 4194304 [pid 7443] <... ioctl resumed>) = 0 [pid 7441] munmap(0x7f6a505d5000, 4194304 [pid 7443] close(3) = 0 [pid 7443] mkdir("./bus", 0777) = 0 [pid 7443] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7441] <... munmap resumed>) = 0 [pid 7440] <... write resumed>) = 4194304 [pid 7441] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7441] ioctl(4, LOOP_SET_FD, 3 [pid 7440] munmap(0x7f6a505d5000, 4194304) = 0 [ 164.349991][ T7437] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 164.354612][ T7443] loop3: detected capacity change from 0 to 8192 [ 164.370673][ T7437] REISERFS (device loop0): using ordered data mode [ 164.373899][ T7441] loop1: detected capacity change from 0 to 8192 [ 164.377778][ T7437] reiserfs: using flush barriers [pid 7440] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7441] <... ioctl resumed>) = 0 [pid 7440] <... openat resumed>) = 4 [pid 7441] close(3 [pid 7440] ioctl(4, LOOP_SET_FD, 3 [pid 7441] <... close resumed>) = 0 [pid 7441] mkdir("./bus", 0777) = 0 [pid 7441] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7440] <... ioctl resumed>) = 0 [pid 7440] close(3) = 0 [pid 7440] mkdir("./bus", 0777) = 0 [ 164.387886][ T7443] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 164.389717][ T7437] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 164.402490][ T7443] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 164.418363][ T7440] loop4: detected capacity change from 0 to 8192 [ 164.427860][ T7443] REISERFS (device loop3): using ordered data mode [ 164.436857][ T7437] REISERFS (device loop0): checking transaction log (loop0) [ 164.440484][ T7443] reiserfs: using flush barriers [ 164.453275][ T7441] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 164.453328][ T7437] REISERFS (device loop0): Using r5 hash to sort names [ 164.466320][ T7441] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 164.466391][ T7441] REISERFS (device loop1): using ordered data mode [ 164.473743][ T7440] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 164.482715][ T7441] reiserfs: using flush barriers [ 164.489921][ T7443] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 164.503093][ T7437] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 164.507120][ T7440] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7440] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7437] <... mount resumed>) = 0 [pid 7437] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7437] chdir("./bus") = 0 [pid 7437] ioctl(4, LOOP_CLR_FD) = 0 [ 164.523131][ T7441] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 164.535912][ T7443] REISERFS (device loop3): checking transaction log (loop3) [ 164.544883][ T7437] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 164.560863][ T7440] REISERFS (device loop4): using ordered data mode [ 164.568266][ T7441] REISERFS (device loop1): checking transaction log (loop1) [ 164.591036][ T7443] REISERFS (device loop3): Using r5 hash to sort names [pid 7437] close(4) = 0 [pid 7437] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7436] <... futex resumed>) = 0 [pid 7437] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7443] <... mount resumed>) = 0 [pid 7443] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7443] chdir("./bus") = 0 [pid 7437] <... futex resumed>) = 0 [pid 7436] <... futex resumed>) = 1 [pid 7436] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7437] mkdir("./file1", 000) = 0 [pid 7437] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7437] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] <... futex resumed>) = 0 [pid 7436] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] <... futex resumed>) = 0 [pid 7437] mkdir("./bus", 000) = 0 [pid 7437] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7437] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] <... futex resumed>) = 1 [pid 7436] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7436] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] <... futex resumed>) = 0 [pid 7437] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7436] <... futex resumed>) = 1 [pid 7436] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7443] ioctl(4, LOOP_CLR_FD) = 0 [pid 7443] close(4) = 0 [pid 7443] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 164.591214][ T7443] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 164.610859][ T7440] reiserfs: using flush barriers [ 164.612042][ T7443] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 164.627861][ T7441] REISERFS (device loop1): Using r5 hash to sort names [pid 7443] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7442] <... futex resumed>) = 0 [pid 7442] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7442] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7443] <... futex resumed>) = 0 [pid 7443] mkdir("./file1", 000) = 0 [pid 7443] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7443] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7442] <... futex resumed>) = 0 [pid 7442] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7436] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [ 164.635923][ T7440] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 164.650438][ T7441] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 164.665761][ T7437] overlayfs: upper fs needs to support d_type. [ 164.667951][ T7440] REISERFS (device loop4): checking transaction log (loop4) [ 164.674572][ T7437] overlayfs: upper fs does not support tmpfile. [ 164.680227][ T7440] REISERFS (device loop4): Using r5 hash to sort names [ 164.686917][ T7437] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7436] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7436] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7448], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7448 [pid 7436] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7436] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7443] <... futex resumed>) = 0 [pid 7442] <... futex resumed>) = 1 [pid 7443] mkdir("./bus", 000) = 0 [pid 7443] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7443] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7448 attached [pid 7448] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7448] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7448] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 164.692963][ T7440] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 164.704456][ T7441] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 164.721628][ T7440] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 164.726745][ T7437] overlayfs: failed to resolve './file0': -2 [pid 7442] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7441] <... mount resumed>) = 0 [pid 7440] <... mount resumed>) = 0 [pid 7442] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7441] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7440] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7442] <... futex resumed>) = 1 [pid 7441] <... openat resumed>) = 3 [pid 7440] <... openat resumed>) = 3 [pid 7442] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7441] chdir("./bus" [pid 7440] chdir("./bus" [pid 7441] <... chdir resumed>) = 0 [pid 7440] <... chdir resumed>) = 0 [pid 7441] ioctl(4, LOOP_CLR_FD [pid 7440] ioctl(4, LOOP_CLR_FD [pid 7441] <... ioctl resumed>) = 0 [pid 7440] <... ioctl resumed>) = 0 [pid 7441] close(4 [pid 7440] close(4 [pid 7448] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7443] <... futex resumed>) = 0 [pid 7440] <... close resumed>) = 0 [pid 7448] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7443] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7441] <... close resumed>) = 0 [pid 7448] <... futex resumed>) = 1 [pid 7441] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7436] <... futex resumed>) = 0 [pid 7448] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7441] <... futex resumed>) = 1 [pid 7440] <... futex resumed>) = 1 [pid 7439] <... futex resumed>) = 0 [pid 7438] <... futex resumed>) = 0 [pid 7437] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] exit_group(0 [pid 7448] <... futex resumed>) = ? [pid 7441] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7440] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7439] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... exit_group resumed>) = ? [pid 7448] +++ exited with 0 +++ [pid 7441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7439] <... futex resumed>) = 0 [pid 7438] <... futex resumed>) = 0 [pid 7437] <... futex resumed>) = ? [pid 7441] mkdir("./file1", 000) = 0 [pid 7440] mkdir("./file1", 000 [pid 7439] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7438] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7437] +++ exited with 0 +++ [pid 7436] +++ exited with 0 +++ [pid 7441] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... mkdir resumed>) = 0 [pid 7439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7436, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7441] <... futex resumed>) = 0 [pid 7440] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7441] mkdir("./bus", 000 [pid 7440] <... futex resumed>) = 1 [pid 7439] <... futex resumed>) = 0 [pid 7438] <... futex resumed>) = 0 [pid 7441] <... mkdir resumed>) = 0 [pid 7440] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7439] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7438] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7441] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7438] <... futex resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7441] <... futex resumed>) = 0 [pid 7440] mkdir("./bus", 000 [pid 7439] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7441] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7440] <... mkdir resumed>) = 0 [pid 7439] <... futex resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./120/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7442] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7442] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 164.739969][ T7448] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 164.758377][ T7443] overlayfs: upper fs needs to support d_type. [ 164.764568][ T7443] overlayfs: upper fs does not support tmpfile. [ 164.784831][ T7443] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7442] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7442] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7449], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7449 [pid 7442] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7442] <... futex resumed>) = 0 [pid 7442] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7440] <... futex resumed>) = 1 [pid 7438] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7449 attached [pid 7449] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7449] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7449] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7440] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7438] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7438] <... futex resumed>) = 0 [pid 7440] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7438] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./120/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./120/bus", [pid 7443] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./120/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 164.798389][ T7443] overlayfs: failed to resolve './file0': -2 [ 164.805367][ T7441] overlayfs: upper fs needs to support d_type. [ 164.812564][ T7441] overlayfs: upper fs does not support tmpfile. [ 164.828492][ T7449] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 164.840679][ T7441] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 4997] openat(AT_FDCWD, "./120/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./120/bus") = 0 [pid 4997] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7443] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7443] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./120/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./120") = 0 [pid 4997] mkdir("./121", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 7439] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7439] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] <... close resumed>) = 0 [pid 7439] <... mmap resumed>) = 0x7f6a509b4000 [pid 7439] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7439] <... mprotect resumed>) = 0 [pid 7439] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7450], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7450 [pid 7439] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7439] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7451 ./strace-static-x86_64: Process 7450 attached [pid 7450] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7450] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7450] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7451 attached [pid 7449] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7449] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] <... futex resumed>) = 0 [pid 7442] exit_group(0) = ? [pid 7449] <... futex resumed>) = ? [pid 7449] +++ exited with 0 +++ [pid 7451] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7451] chdir("./121") = 0 [pid 7451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7443] <... futex resumed>) = ? [pid 7451] setpgid(0, 0) = 0 [pid 7443] +++ exited with 0 +++ [pid 7442] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7442, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7451] write(3, "1000", 4) = 4 [pid 7451] close(3) = 0 [pid 7451] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7451] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7451] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7451] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7452], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7452 [pid 7438] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 7452 attached [pid 7438] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 7440] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7451] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 164.851185][ T7440] overlayfs: upper fs needs to support d_type. [ 164.858824][ T7440] overlayfs: upper fs does not support tmpfile. [ 164.869716][ T7440] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 164.875383][ T7450] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 164.887990][ T7440] overlayfs: failed to resolve './file0': -2 [pid 7451] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7450] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7450] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... futex resumed>) = 0 [pid 7450] <... futex resumed>) = 1 [pid 7450] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7438] <... futex resumed>) = 0 [pid 7438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7438] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7438] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7453], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7453 [pid 7438] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7438] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7453 attached [pid 7453] set_robust_list(0x7f6a509d49e0, 24 [pid 7440] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] set_robust_list(0x7f6a589f59e0, 24 [pid 5000] <... restart_syscall resumed>) = 0 [pid 7453] <... set_robust_list resumed>) = 0 [pid 7453] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7452] <... set_robust_list resumed>) = 0 [pid 7440] <... futex resumed>) = 0 [pid 7452] memfd_create("syzkaller", 0 [pid 7440] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] <... memfd_create resumed>) = 3 [pid 5000] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7452] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7453] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5000] <... openat resumed>) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./121/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7453] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7453] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... futex resumed>) = 0 [pid 7438] exit_group(0 [pid 7440] <... futex resumed>) = ? [pid 7438] <... exit_group resumed>) = ? [pid 7440] +++ exited with 0 +++ [pid 7453] <... futex resumed>) = ? [pid 7452] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7453] +++ exited with 0 +++ [pid 7438] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7438, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7441] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 7441] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 7441] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7439] exit_group(0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7450] <... futex resumed>) = ? [pid 7441] <... futex resumed>) = ? [pid 7439] <... exit_group resumed>) = ? [pid 5001] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7441] +++ exited with 0 +++ [pid 5001] <... openat resumed>) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./120/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7450] +++ exited with 0 +++ [pid 7439] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7439, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./121/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7452] <... write resumed>) = 4194304 [pid 7452] munmap(0x7f6a505d5000, 4194304) = 0 [ 164.908599][ T7441] overlayfs: failed to resolve './file0': -2 [ 164.924851][ T7453] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7452] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7452] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7452] close(3) = 0 [pid 7452] mkdir("./bus", 0777) = 0 [pid 7452] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4998] <... umount2 resumed>) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./120/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./120/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./120/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./120/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./120/bus") = 0 [pid 4998] umount2("./121/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./121/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./121/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./121/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] lstat("./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] fstat(4, [pid 5001] unlink("./120/binderfs" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4 [pid 5001] getdents64(3, [pid 4998] <... close resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] rmdir("./121/bus" [pid 5001] close(3 [pid 4998] <... rmdir resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5001] rmdir("./120") = 0 [pid 4998] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] mkdir("./121", 0777) = 0 [pid 4998] unlink("./121/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./121" [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] <... rmdir resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] mkdir("./122", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7455 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7456 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./121/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./121/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./121/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./121/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./121/bus") = 0 [pid 5000] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./121/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./121") = 0 [pid 5000] mkdir("./122", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7457 ./strace-static-x86_64: Process 7457 attached [pid 7457] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7457] chdir("./122") = 0 [pid 7457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7457] setpgid(0, 0) = 0 [pid 7457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7457] write(3, "1000", 4) = 4 [pid 7457] close(3) = 0 [pid 7457] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7457] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7457] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7457] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7458], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7458 [pid 7457] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7457] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7458 attached [pid 7458] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7458] memfd_create("syzkaller", 0) = 3 [pid 7458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7455 attached ./strace-static-x86_64: Process 7456 attached [pid 7456] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7455] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7455] chdir("./121" [pid 7456] chdir("./122" [pid 7455] <... chdir resumed>) = 0 [ 164.998578][ T7452] loop0: detected capacity change from 0 to 8192 [ 165.033771][ T7452] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7456] <... chdir resumed>) = 0 [pid 7455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7455] <... prctl resumed>) = 0 [pid 7456] setpgid(0, 0 [pid 7455] setpgid(0, 0 [pid 7456] <... setpgid resumed>) = 0 [pid 7455] <... setpgid resumed>) = 0 [pid 7456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7456] <... openat resumed>) = 3 [pid 7456] write(3, "1000", 4 [pid 7455] write(3, "1000", 4 [pid 7456] <... write resumed>) = 4 [pid 7455] <... write resumed>) = 4 [pid 7456] close(3 [pid 7455] close(3 [pid 7456] <... close resumed>) = 0 [pid 7455] <... close resumed>) = 0 [pid 7456] symlink("/dev/binderfs", "./binderfs" [pid 7455] symlink("/dev/binderfs", "./binderfs" [pid 7456] <... symlink resumed>) = 0 [pid 7455] <... symlink resumed>) = 0 [pid 7456] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7456] <... mmap resumed>) = 0x7f6a589d5000 [pid 7456] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7455] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7456] <... mprotect resumed>) = 0 [pid 7455] <... mprotect resumed>) = 0 [pid 7456] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7455] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7456] <... clone resumed>, parent_tid=[7459], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7459 [pid 7455] <... clone resumed>, parent_tid=[7460], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7460 [pid 7456] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7455] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7460 attached [pid 7456] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7455] <... futex resumed>) = 0 [pid 7455] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7459 attached [pid 7460] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7459] set_robust_list(0x7f6a589f59e0, 24 [pid 7460] memfd_create("syzkaller", 0 [pid 7459] <... set_robust_list resumed>) = 0 [pid 7460] <... memfd_create resumed>) = 3 [pid 7459] memfd_create("syzkaller", 0 [pid 7460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7459] <... memfd_create resumed>) = 3 [pid 7460] <... mmap resumed>) = 0x7f6a505d5000 [pid 7459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 165.097901][ T7452] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 165.108774][ T7452] REISERFS (device loop0): using ordered data mode [ 165.116306][ T7452] reiserfs: using flush barriers [ 165.128691][ T7452] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7458] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7460] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7459] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7458] <... write resumed>) = 4194304 [pid 7458] munmap(0x7f6a505d5000, 4194304 [pid 7452] <... mount resumed>) = 0 [pid 7452] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7452] chdir("./bus" [pid 7458] <... munmap resumed>) = 0 [pid 7452] <... chdir resumed>) = 0 [pid 7458] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 165.145707][ T7452] REISERFS (device loop0): checking transaction log (loop0) [ 165.157213][ T7452] REISERFS (device loop0): Using r5 hash to sort names [ 165.164702][ T7452] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 165.177913][ T7452] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7458] ioctl(4, LOOP_SET_FD, 3 [pid 7452] ioctl(4, LOOP_CLR_FD) = 0 [pid 7452] close(4) = 0 [pid 7460] <... write resumed>) = 4194304 [pid 7458] <... ioctl resumed>) = 0 [pid 7458] close(3) = 0 [pid 7460] munmap(0x7f6a505d5000, 4194304 [pid 7458] mkdir("./bus", 0777 [pid 7460] <... munmap resumed>) = 0 [pid 7458] <... mkdir resumed>) = 0 [pid 7458] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7460] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7460] ioctl(4, LOOP_SET_FD, 3 [pid 7452] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7451] <... futex resumed>) = 0 [pid 7451] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] mkdir("./file1", 000 [pid 7459] <... write resumed>) = 4194304 [pid 7459] munmap(0x7f6a505d5000, 4194304 [pid 7451] <... futex resumed>) = 0 [pid 7452] <... mkdir resumed>) = 0 [pid 7451] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7452] <... futex resumed>) = 0 [pid 7451] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] mkdir("./bus", 000 [pid 7451] <... futex resumed>) = 0 [pid 7451] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] <... mkdir resumed>) = 0 [pid 7459] <... munmap resumed>) = 0 [pid 7452] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7452] <... futex resumed>) = 1 [pid 7451] <... futex resumed>) = 0 [pid 7451] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7451] <... futex resumed>) = 0 [pid 7451] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7459] <... openat resumed>) = 4 [pid 7459] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7459] close(3) = 0 [pid 7459] mkdir("./bus", 0777) = 0 [pid 7459] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7460] <... ioctl resumed>) = 0 [ 165.204265][ T7458] loop3: detected capacity change from 0 to 8192 [ 165.221332][ T7459] loop1: detected capacity change from 0 to 8192 [ 165.221881][ T7452] overlayfs: upper fs needs to support d_type. [ 165.229606][ T7460] loop4: detected capacity change from 0 to 8192 [ 165.240706][ T7458] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7460] close(3) = 0 [pid 7460] mkdir("./bus", 0777) = 0 [pid 7460] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 165.247324][ T7459] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 165.255243][ T7458] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 165.270872][ T7452] overlayfs: upper fs does not support tmpfile. [ 165.276111][ T7458] REISERFS (device loop3): using ordered data mode [ 165.282825][ T7460] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7451] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7451] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7451] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7464], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7464 [pid 7451] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 165.288701][ T7458] reiserfs: using flush barriers [ 165.307545][ T7459] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 165.308132][ T7452] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 165.318314][ T7460] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 165.323853][ T7458] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7451] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7464 attached [pid 7464] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7464] mkdir(".", 0777) = -1 EEXIST (File exists) [ 165.332834][ T7460] REISERFS (device loop4): using ordered data mode [ 165.352700][ T7459] REISERFS (device loop1): using ordered data mode [ 165.356033][ T7460] reiserfs: using flush barriers [ 165.367537][ T7452] overlayfs: failed to resolve './file0': -2 [ 165.368502][ T7460] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 165.374803][ T7459] reiserfs: using flush barriers [ 165.390191][ T7460] REISERFS (device loop4): checking transaction log (loop4) [pid 7464] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7464] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... futex resumed>) = 0 [pid 7464] <... futex resumed>) = 1 [pid 7464] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7452] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 165.398387][ T7464] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 165.402504][ T7458] REISERFS (device loop3): checking transaction log (loop3) [ 165.421714][ T7459] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 165.440943][ T7460] REISERFS (device loop4): Using r5 hash to sort names [ 165.448742][ T7458] REISERFS (device loop3): Using r5 hash to sort names [pid 7452] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7451] exit_group(0 [pid 7464] <... futex resumed>) = ? [pid 7452] <... futex resumed>) = ? [pid 7451] <... exit_group resumed>) = ? [pid 7464] +++ exited with 0 +++ [pid 7452] +++ exited with 0 +++ [pid 7451] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7451, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [ 165.449687][ T7459] REISERFS (device loop1): checking transaction log (loop1) [ 165.456223][ T7460] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 165.476423][ T7458] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 165.479605][ T7459] REISERFS (device loop1): Using r5 hash to sort names [ 165.489620][ T7458] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7458] <... mount resumed>) = 0 [pid 7460] <... mount resumed>) = 0 [pid 7458] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7458] chdir("./bus") = 0 [pid 7458] ioctl(4, LOOP_CLR_FD) = 0 [pid 7458] close(4 [pid 4997] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7460] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7459] <... mount resumed>) = 0 [pid 7458] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7458] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7458] <... futex resumed>) = 1 [pid 7458] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7457] <... futex resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 7458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7457] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] fstat(3, [pid 7458] mkdir("./file1", 000 [pid 7457] <... futex resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7458] <... mkdir resumed>) = 0 [pid 7460] <... openat resumed>) = 3 [pid 7459] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7458] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] getdents64(3, [pid 7458] <... futex resumed>) = 0 [pid 7457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7458] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7457] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./121/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7457] <... futex resumed>) = 0 [pid 7458] mkdir("./bus", 000) = 0 [pid 7458] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7458] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7457] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7460] chdir("./bus" [pid 7457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7460] <... chdir resumed>) = 0 [pid 7457] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] <... futex resumed>) = 0 [pid 7457] <... futex resumed>) = 1 [pid 7457] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7458] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7460] ioctl(4, LOOP_CLR_FD [pid 7459] <... openat resumed>) = 3 [pid 7460] <... ioctl resumed>) = 0 [pid 7459] chdir("./bus") = 0 [pid 7460] close(4) = 0 [pid 7459] ioctl(4, LOOP_CLR_FD) = 0 [pid 7460] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] close(4 [pid 7455] <... futex resumed>) = 0 [pid 7455] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7455] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7460] <... futex resumed>) = 1 [pid 7459] <... close resumed>) = 0 [pid 7460] mkdir("./file1", 000 [pid 7459] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7460] <... mkdir resumed>) = 0 [pid 7459] <... futex resumed>) = 1 [pid 7456] <... futex resumed>) = 0 [pid 7460] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] mkdir("./file1", 000 [pid 7456] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7460] <... futex resumed>) = 1 [pid 7459] <... mkdir resumed>) = 0 [pid 7456] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7460] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7459] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7459] <... futex resumed>) = 0 [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7455] <... futex resumed>) = 0 [pid 7460] mkdir("./bus", 000 [pid 7459] mkdir("./bus", 000 [pid 7456] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7460] <... mkdir resumed>) = 0 [pid 7459] <... mkdir resumed>) = 0 [pid 7456] <... futex resumed>) = 0 [pid 7460] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7460] <... futex resumed>) = 1 [pid 7459] <... futex resumed>) = 0 [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7455] <... futex resumed>) = 0 [pid 7460] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7459] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7456] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7456] <... futex resumed>) = 0 [ 165.496596][ T7459] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 165.505683][ T7460] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 165.518819][ T7459] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 165.545724][ T7458] overlayfs: upper fs needs to support d_type. [pid 7455] <... futex resumed>) = 0 [pid 7460] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7456] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7457] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7457] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7457] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7457] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7465], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7465 [pid 7457] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 165.561986][ T7459] overlayfs: upper fs needs to support d_type. [ 165.569446][ T7460] overlayfs: upper fs needs to support d_type. [ 165.576423][ T7458] overlayfs: upper fs does not support tmpfile. [ 165.583519][ T7460] overlayfs: upper fs does not support tmpfile. [ 165.590935][ T7459] overlayfs: upper fs does not support tmpfile. [pid 7457] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7456] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7455] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7456] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7456] <... mmap resumed>) = 0x7f6a509b4000 [pid 7455] <... mmap resumed>) = 0x7f6a509b4000 [pid 7456] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7455] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7465 attached [pid 7456] <... mprotect resumed>) = 0 [pid 7455] <... mprotect resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 7456] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7455] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7456] <... clone resumed>, parent_tid=[7466], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7466 [pid 7455] <... clone resumed>, parent_tid=[7467], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7467 [pid 7456] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7456] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7455] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7467 attached [pid 7465] set_robust_list(0x7f6a509d49e0, 24 [pid 7467] set_robust_list(0x7f6a509d49e0, 24 [pid 7465] <... set_robust_list resumed>) = 0 [pid 4997] umount2("./121/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7467] <... set_robust_list resumed>) = 0 [pid 7465] mkdir(".", 0777 [pid 7467] mkdir(".", 0777 [pid 7465] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7467] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7465] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7467] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4997] lstat("./121/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./121/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 165.606445][ T7460] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 165.615176][ T7459] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 165.625634][ T7458] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 165.632133][ T7459] overlayfs: failed to resolve './file0': -2 [ 165.646415][ T7465] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" ./strace-static-x86_64: Process 7466 attached [pid 7466] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7466] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7466] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4997] openat(AT_FDCWD, "./121/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, [pid 7465] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7467] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7467] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7465] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] getdents64(4, [pid 7467] <... futex resumed>) = 1 [pid 7466] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] <... futex resumed>) = 0 [pid 7465] <... futex resumed>) = 1 [pid 7458] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7467] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7466] <... futex resumed>) = 1 [pid 7465] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7460] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7459] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7458] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... futex resumed>) = 0 [pid 7456] <... futex resumed>) = 0 [pid 4997] getdents64(4, [pid 7466] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7460] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] <... futex resumed>) = 0 [pid 7457] exit_group(0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7465] <... futex resumed>) = ? [pid 7460] <... futex resumed>) = 0 [pid 7459] <... futex resumed>) = 0 [pid 7457] <... exit_group resumed>) = ? [pid 7455] exit_group(0 [pid 4997] close(4 [pid 7465] +++ exited with 0 +++ [pid 7460] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7459] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./121/bus") = 0 [pid 4997] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./121/binderfs", [pid 7458] +++ exited with 0 +++ [pid 7457] +++ exited with 0 +++ [pid 7455] <... exit_group resumed>) = ? [pid 7467] <... futex resumed>) = ? [pid 7460] <... futex resumed>) = ? [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7467] +++ exited with 0 +++ [pid 7456] exit_group(0 [pid 4997] unlink("./121/binderfs" [pid 7459] <... futex resumed>) = ? [pid 7456] <... exit_group resumed>) = ? [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7457, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 4997] <... unlink resumed>) = 0 [pid 7459] +++ exited with 0 +++ [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./121" [pid 7460] +++ exited with 0 +++ [pid 7455] +++ exited with 0 +++ [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./122", 0777 [pid 7466] <... futex resumed>) = ? [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7455, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 4997] <... mkdir resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5001] <... restart_syscall resumed>) = 0 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 7466] +++ exited with 0 +++ [pid 7456] +++ exited with 0 +++ [pid 4997] <... close resumed>) = 0 [pid 5001] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7456, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] fstat(3, [pid 5000] <... openat resumed>) = 3 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] fstat(3, [pid 5001] getdents64(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] getdents64(3, [pid 4998] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./121/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./122/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] fstat(3, [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7468 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7468 attached [pid 7468] set_robust_list(0x5555564f86e0, 24 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./122/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7468] <... set_robust_list resumed>) = 0 [pid 7468] chdir("./122") = 0 [pid 7468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7468] setpgid(0, 0) = 0 [pid 7468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7468] write(3, "1000", 4) = 4 [pid 7468] close(3) = 0 [pid 7468] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7468] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7468] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7468] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7469], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7469 [pid 7468] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7468] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7469 attached [pid 7469] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7469] memfd_create("syzkaller", 0) = 3 [ 165.647562][ T7460] overlayfs: failed to resolve './file0': -2 [ 165.665651][ T7467] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 165.685028][ T7466] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 165.688351][ T7458] overlayfs: failed to resolve './file0': -2 [pid 7469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./122/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./122/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./122/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./122/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./122/bus", [pid 5001] umount2("./121/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] openat(AT_FDCWD, "./122/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... openat resumed>) = 4 [pid 4998] umount2("./122/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] lstat("./121/bus", [pid 5000] fstat(4, [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./121/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] getdents64(4, [pid 4998] openat(AT_FDCWD, "./122/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] <... openat resumed>) = 4 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] getdents64(4, [pid 4998] fstat(4, [pid 5001] openat(AT_FDCWD, "./121/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] close(4 [pid 5001] <... openat resumed>) = 4 [pid 5000] <... close resumed>) = 0 [pid 4998] getdents64(4, [pid 5000] rmdir("./122/bus") = 0 [pid 5001] fstat(4, [pid 5000] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(4, [pid 5001] getdents64(4, [pid 5000] lstat("./122/binderfs", [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] close(4 [pid 5001] getdents64(4, [pid 5000] unlink("./122/binderfs" [pid 4998] <... close resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] rmdir("./122/bus" [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3 [pid 5001] close(4 [pid 5000] <... close resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] rmdir("./122" [pid 4998] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... rmdir resumed>) = 0 [pid 5001] rmdir("./121/bus" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] mkdir("./123", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4998] lstat("./122/binderfs", [pid 5001] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] unlink("./122/binderfs" [pid 5000] close(3 [pid 5001] lstat("./121/binderfs", [pid 4998] <... unlink resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] getdents64(3, [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7470 [pid 4998] <... close resumed>) = 0 [pid 5001] unlink("./121/binderfs" [pid 4998] rmdir("./122") = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] mkdir("./123", 0777 [pid 5001] getdents64(3, [pid 4998] <... mkdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7469] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] close(3 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7470 attached [pid 5001] <... close resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 5001] rmdir("./121" [pid 4998] ioctl(3, LOOP_CLR_FD [pid 5001] <... rmdir resumed>) = 0 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] mkdir("./122", 0777 [pid 4998] close(3 [pid 5001] <... mkdir resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... openat resumed>) = 3 [pid 7470] set_robust_list(0x5555564f86e0, 24 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 7470] <... set_robust_list resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7471 [pid 5001] close(3 [pid 7470] chdir("./123" [pid 5001] <... close resumed>) = 0 [pid 7470] <... chdir resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7472 [pid 7470] setpgid(0, 0) = 0 [pid 7470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7470] write(3, "1000", 4) = 4 [pid 7470] close(3) = 0 [pid 7470] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7470] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7471 attached [pid 7470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7471] set_robust_list(0x5555564f86e0, 24 [pid 7470] <... mmap resumed>) = 0x7f6a589d5000 [pid 7470] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7471] <... set_robust_list resumed>) = 0 [pid 7470] <... mprotect resumed>) = 0 [pid 7471] chdir("./123" [pid 7470] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7472 attached [pid 7471] <... chdir resumed>) = 0 [pid 7472] set_robust_list(0x5555564f86e0, 24 [pid 7471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7470] <... clone resumed>, parent_tid=[7473], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7473 [pid 7472] <... set_robust_list resumed>) = 0 [pid 7471] <... prctl resumed>) = 0 [pid 7470] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] chdir("./122" [pid 7471] setpgid(0, 0 [pid 7470] <... futex resumed>) = 0 [pid 7470] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7472] <... chdir resumed>) = 0 [pid 7471] <... setpgid resumed>) = 0 [pid 7472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7472] <... prctl resumed>) = 0 [pid 7471] <... openat resumed>) = 3 [pid 7472] setpgid(0, 0 [pid 7471] write(3, "1000", 4 [pid 7472] <... setpgid resumed>) = 0 [pid 7471] <... write resumed>) = 4 [pid 7472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7471] close(3./strace-static-x86_64: Process 7473 attached [pid 7472] <... openat resumed>) = 3 [pid 7471] <... close resumed>) = 0 [pid 7473] set_robust_list(0x7f6a589f59e0, 24 [pid 7472] write(3, "1000", 4 [pid 7471] symlink("/dev/binderfs", "./binderfs" [pid 7473] <... set_robust_list resumed>) = 0 [pid 7472] <... write resumed>) = 4 [pid 7471] <... symlink resumed>) = 0 [pid 7473] memfd_create("syzkaller", 0 [pid 7472] close(3 [pid 7471] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] <... memfd_create resumed>) = 3 [pid 7472] <... close resumed>) = 0 [pid 7471] <... futex resumed>) = 0 [pid 7473] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7472] symlink("/dev/binderfs", "./binderfs" [pid 7471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7473] <... mmap resumed>) = 0x7f6a505d5000 [pid 7472] <... symlink resumed>) = 0 [pid 7471] <... mmap resumed>) = 0x7f6a589d5000 [pid 7472] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7469] <... write resumed>) = 4194304 [pid 7472] <... futex resumed>) = 0 [pid 7469] munmap(0x7f6a505d5000, 4194304 [pid 7472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7471] <... mprotect resumed>) = 0 [pid 7469] <... munmap resumed>) = 0 [pid 7471] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7469] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7472] <... mmap resumed>) = 0x7f6a589d5000 [pid 7471] <... clone resumed>, parent_tid=[7474], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7474 [pid 7469] <... openat resumed>) = 4 [pid 7472] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7471] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] ioctl(4, LOOP_SET_FD, 3 [pid 7472] <... mprotect resumed>) = 0 [pid 7471] <... futex resumed>) = 0 [pid 7469] <... ioctl resumed>) = 0 [pid 7472] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7471] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7474 attached [pid 7474] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7474] memfd_create("syzkaller", 0 [pid 7472] <... clone resumed>, parent_tid=[7475], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7475 [pid 7472] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7474] <... memfd_create resumed>) = 3 [pid 7472] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7475 attached [pid 7475] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7475] memfd_create("syzkaller", 0) = 3 [pid 7475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7469] close(3) = 0 [pid 7469] mkdir("./bus", 0777) = 0 [pid 7469] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7473] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 165.857884][ T7469] loop0: detected capacity change from 0 to 8192 [ 165.891741][ T7469] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7475] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7473] <... write resumed>) = 4194304 [pid 7473] munmap(0x7f6a505d5000, 4194304 [pid 7474] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7473] <... munmap resumed>) = 0 [pid 7473] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7473] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7473] close(3) = 0 [pid 7473] mkdir("./bus", 0777) = 0 [pid 7475] <... write resumed>) = 4194304 [pid 7473] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7475] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7475] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7475] ioctl(4, LOOP_SET_FD, 3 [pid 7474] <... write resumed>) = 4194304 [pid 7474] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7474] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 165.926927][ T7469] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 165.941009][ T7473] loop3: detected capacity change from 0 to 8192 [ 165.952607][ T7469] REISERFS (device loop0): using ordered data mode [ 165.959191][ T7469] reiserfs: using flush barriers [ 165.967540][ T7475] loop4: detected capacity change from 0 to 8192 [pid 7474] ioctl(4, LOOP_SET_FD, 3 [pid 7475] <... ioctl resumed>) = 0 [pid 7474] <... ioctl resumed>) = 0 [pid 7474] close(3) = 0 [pid 7474] mkdir("./bus", 0777) = 0 [pid 7474] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 165.971579][ T7474] loop1: detected capacity change from 0 to 8192 [ 165.975366][ T7473] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 165.982318][ T7469] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 165.994403][ T7473] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 166.010569][ T7469] REISERFS (device loop0): checking transaction log (loop0) [pid 7475] close(3) = 0 [pid 7475] mkdir("./bus", 0777) = 0 [ 166.018911][ T7473] REISERFS (device loop3): using ordered data mode [ 166.027794][ T7474] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 166.032682][ T7473] reiserfs: using flush barriers [ 166.051553][ T7473] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 166.068581][ T7473] REISERFS (device loop3): checking transaction log (loop3) [ 166.069050][ T7469] REISERFS (device loop0): Using r5 hash to sort names [ 166.083492][ T7475] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 166.096731][ T7475] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 166.097064][ T7473] REISERFS (device loop3): Using r5 hash to sort names [ 166.106051][ T7474] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7475] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7473] <... mount resumed>) = 0 [pid 7473] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7473] chdir("./bus") = 0 [pid 7473] ioctl(4, LOOP_CLR_FD) = 0 [pid 7473] close(4) = 0 [pid 7473] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7470] <... futex resumed>) = 0 [pid 7470] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7473] <... futex resumed>) = 1 [pid 7473] mkdir("./file1", 000) = 0 [pid 7473] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7470] <... futex resumed>) = 0 [pid 7470] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7473] <... futex resumed>) = 1 [ 166.113690][ T7473] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 166.122236][ T7469] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 166.135414][ T7473] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 166.147371][ T7474] REISERFS (device loop1): using ordered data mode [ 166.156982][ T7475] REISERFS (device loop4): using ordered data mode [pid 7473] mkdir("./bus", 000) = 0 [pid 7473] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7470] <... futex resumed>) = 0 [pid 7470] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7473] <... futex resumed>) = 1 [pid 7473] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7469] <... mount resumed>) = 0 [ 166.163097][ T7469] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 166.182863][ T7473] overlayfs: upper fs needs to support d_type. [ 166.189276][ T7474] reiserfs: using flush barriers [ 166.195651][ T7474] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 166.212785][ T7473] overlayfs: upper fs does not support tmpfile. [ 166.216574][ T7474] REISERFS (device loop1): checking transaction log (loop1) [pid 7469] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7470] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7469] <... openat resumed>) = 3 [pid 7470] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7470] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7470] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7480], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7480 [pid 7470] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7469] chdir("./bus"./strace-static-x86_64: Process 7480 attached [pid 7480] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7480] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7480] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7469] <... chdir resumed>) = 0 [pid 7469] ioctl(4, LOOP_CLR_FD) = 0 [pid 7469] close(4) = 0 [pid 7469] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7469] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7480] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7480] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7470] <... futex resumed>) = 0 [ 166.220125][ T7475] reiserfs: using flush barriers [ 166.232317][ T7474] REISERFS (device loop1): Using r5 hash to sort names [ 166.238030][ T7473] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 166.239607][ T7474] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 166.251267][ T7473] overlayfs: failed to resolve './file0': -2 [ 166.259519][ T7474] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7480] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7474] <... mount resumed>) = 0 [pid 7468] <... futex resumed>) = 0 [pid 7468] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7468] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7474] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7474] chdir("./bus") = 0 [pid 7474] ioctl(4, LOOP_CLR_FD) = 0 [pid 7474] close(4 [pid 7469] <... futex resumed>) = 0 [pid 7469] mkdir("./file1", 000 [pid 7473] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7469] <... mkdir resumed>) = 0 [pid 7473] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7473] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7470] exit_group(0) = ? [pid 7474] <... close resumed>) = 0 [pid 7474] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] <... futex resumed>) = 0 [pid 7471] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] <... futex resumed>) = ? [pid 7471] <... futex resumed>) = 0 [pid 7471] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7480] +++ exited with 0 +++ [pid 7474] <... futex resumed>) = 1 [pid 7473] <... futex resumed>) = ? [pid 7469] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] mkdir("./file1", 000) = 0 [pid 7474] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] <... futex resumed>) = 0 [pid 7473] +++ exited with 0 +++ [pid 7471] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7470] +++ exited with 0 +++ [pid 7469] <... futex resumed>) = 1 [pid 7468] <... futex resumed>) = 0 [pid 7471] <... futex resumed>) = 0 [pid 7469] mkdir("./bus", 000 [pid 7468] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7470, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 7471] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7468] <... futex resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 7468] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... restart_syscall resumed>) = 0 [pid 7469] <... mkdir resumed>) = 0 [pid 7469] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7468] <... futex resumed>) = 0 [pid 5000] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7469] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7468] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7468] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7468] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... openat resumed>) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./123/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7474] <... futex resumed>) = 1 [pid 7474] mkdir("./bus", 000) = 0 [pid 7474] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] <... futex resumed>) = 0 [pid 7474] <... futex resumed>) = 1 [pid 7471] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7471] <... futex resumed>) = 0 [ 166.274224][ T7480] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 166.276424][ T7475] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 166.315846][ T7469] overlayfs: upper fs needs to support d_type. [pid 7471] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7468] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7468] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7468] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7468] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7471] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7471] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 7468] <... clone resumed>, parent_tid=[7481], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7481 [pid 7471] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7468] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] <... futex resumed>) = 0 [pid 7471] <... futex resumed>) = 0 [pid 7468] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7471] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7471] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7482], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7482 [pid 7471] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7471] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7481 attached [pid 7481] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7481] mkdir(".", 0777) = -1 EEXIST (File exists) [ 166.318550][ T7475] REISERFS (device loop4): checking transaction log (loop4) [ 166.329702][ T7474] overlayfs: upper fs needs to support d_type. [ 166.335877][ T7474] overlayfs: upper fs does not support tmpfile. [ 166.336281][ T7469] overlayfs: upper fs does not support tmpfile. [ 166.350622][ T7474] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 166.359205][ T7475] REISERFS (device loop4): Using r5 hash to sort names [ 166.365898][ T7469] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7481] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7482 attached [pid 5000] <... umount2 resumed>) = 0 [pid 7482] set_robust_list(0x7f6a509d49e0, 24 [pid 7481] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./123/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7482] <... set_robust_list resumed>) = 0 [pid 7482] mkdir(".", 0777) = -1 EEXIST (File exists) [ 166.375079][ T7481] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 166.391387][ T7475] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 166.401915][ T7469] overlayfs: failed to resolve './file0': -2 [ 166.405343][ T7474] overlayfs: failed to resolve './file0': -2 [ 166.411132][ T7475] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7482] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7481] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] <... mount resumed>) = 0 [pid 7469] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7481] <... futex resumed>) = 1 [pid 7469] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] lstat("./123/bus", [pid 7481] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7469] <... futex resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7469] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] umount2("./123/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./123/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./123/bus") = 0 [pid 5000] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./123/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./123") = 0 [pid 5000] mkdir("./124", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7483 [pid 7468] <... futex resumed>) = 0 [pid 7468] exit_group(0 [pid 7475] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7475] chdir("./bus") = 0 [pid 7481] <... futex resumed>) = ? [pid 7469] <... futex resumed>) = ? [pid 7468] <... exit_group resumed>) = ? [pid 7481] +++ exited with 0 +++ [pid 7469] +++ exited with 0 +++ [pid 7475] ioctl(4, LOOP_CLR_FD [pid 7468] +++ exited with 0 +++ [pid 7475] <... ioctl resumed>) = 0 [pid 7475] close(4 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7468, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- ./strace-static-x86_64: Process 7483 attached [pid 7482] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7475] <... close resumed>) = 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 7483] set_robust_list(0x5555564f86e0, 24 [pid 7482] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] <... set_robust_list resumed>) = 0 [pid 7482] <... futex resumed>) = 1 [pid 7471] <... futex resumed>) = 0 [pid 4997] <... restart_syscall resumed>) = 0 [pid 7483] chdir("./124" [pid 7482] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7475] <... futex resumed>) = 1 [pid 7472] <... futex resumed>) = 0 [pid 7483] <... chdir resumed>) = 0 [pid 7483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7483] setpgid(0, 0) = 0 [pid 7483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7475] mkdir("./file1", 000 [pid 7472] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] <... openat resumed>) = 3 [pid 7475] <... mkdir resumed>) = 0 [pid 7483] write(3, "1000", 4 [pid 7475] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] <... futex resumed>) = 0 [pid 7483] <... write resumed>) = 4 [pid 7475] <... futex resumed>) = 0 [pid 7472] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7483] close(3 [pid 7475] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4997] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7483] <... close resumed>) = 0 [pid 7472] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] symlink("/dev/binderfs", "./binderfs" [pid 7472] <... futex resumed>) = 1 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7475] <... futex resumed>) = 0 [pid 7483] <... symlink resumed>) = 0 [pid 7483] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] mkdir("./bus", 000 [pid 7472] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7483] <... futex resumed>) = 0 [pid 7475] <... mkdir resumed>) = 0 [pid 7483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7475] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... openat resumed>) = 3 [pid 7483] <... mmap resumed>) = 0x7f6a589d5000 [pid 7475] <... futex resumed>) = 1 [pid 7472] <... futex resumed>) = 0 [pid 4997] fstat(3, [pid 7483] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7475] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7474] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7472] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] <... mprotect resumed>) = 0 [pid 7475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7474] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7483] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7475] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7474] <... futex resumed>) = 0 [pid 7472] <... futex resumed>) = 0 [pid 7474] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] getdents64(3, [pid 7483] <... clone resumed>, parent_tid=[7484], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7484 [pid 7472] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7471] exit_group(0 [ 166.421277][ T7482] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7483] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] <... futex resumed>) = ? [pid 7474] <... futex resumed>) = ? [pid 7471] <... exit_group resumed>) = ? [pid 7483] <... futex resumed>) = 0 [pid 7482] +++ exited with 0 +++ [pid 7474] +++ exited with 0 +++ [pid 7471] +++ exited with 0 +++ [pid 7483] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7471, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 4997] umount2("./122/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7484 attached [pid 7484] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7484] memfd_create("syzkaller", 0) = 3 [pid 7484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./123/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7472] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7472] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [ 166.471610][ T7475] overlayfs: upper fs needs to support d_type. [ 166.478556][ T7475] overlayfs: upper fs does not support tmpfile. [ 166.500082][ T7475] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7472] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7472] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7485], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7485 [pid 7472] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7484] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7472] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7485 attached [pid 7485] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7485] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7485] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./123/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./122/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./122/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./122/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./122/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./122/bus") = 0 [pid 4997] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./122/binderfs", [pid 4998] lstat("./123/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7475] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7485] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7475] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./123/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7485] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] <... futex resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7485] <... futex resumed>) = 1 [pid 7475] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7472] <... futex resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./123/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7472] exit_group(0 [pid 7485] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] <... openat resumed>) = 4 [pid 7472] <... exit_group resumed>) = ? [pid 7475] <... futex resumed>) = ? [pid 4998] fstat(4, [pid 7475] +++ exited with 0 +++ [pid 7485] <... futex resumed>) = ? [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./123/bus") = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] unlink("./122/binderfs" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./123/binderfs") = 0 [pid 7485] +++ exited with 0 +++ [pid 7472] +++ exited with 0 +++ [pid 4998] getdents64(3, [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7472, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4998] close(3) = 0 [pid 4998] rmdir("./123" [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, [pid 5001] <... restart_syscall resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4998] mkdir("./124", 0777 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3 [pid 5001] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... mkdir resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] <... openat resumed>) = 3 [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./122" [pid 5001] fstat(3, [pid 4998] ioctl(3, LOOP_CLR_FD [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] <... rmdir resumed>) = 0 [pid 5001] getdents64(3, [pid 4998] close(3 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7484] <... write resumed>) = 4194304 [pid 5001] umount2("./122/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7484] munmap(0x7f6a505d5000, 4194304 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7486 ./strace-static-x86_64: Process 7486 attached [pid 4997] mkdir("./123", 0777 [pid 7484] <... munmap resumed>) = 0 [pid 7484] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 166.530045][ T7475] overlayfs: failed to resolve './file0': -2 [ 166.557258][ T7485] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7484] ioctl(4, LOOP_SET_FD, 3 [pid 7486] set_robust_list(0x5555564f86e0, 24 [pid 4997] <... mkdir resumed>) = 0 [pid 7486] <... set_robust_list resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7486] chdir("./124" [pid 4997] <... openat resumed>) = 3 [pid 7486] <... chdir resumed>) = 0 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 7486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7486] <... prctl resumed>) = 0 [pid 4997] close(3 [pid 7484] <... ioctl resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 7484] close(3 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7484] <... close resumed>) = 0 [pid 7486] setpgid(0, 0 [pid 7484] mkdir("./bus", 0777) = 0 [pid 7486] <... setpgid resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7487 [pid 7484] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7487 attached [pid 7486] write(3, "1000", 4) = 4 [pid 7486] close(3 [pid 7487] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7487] chdir("./123") = 0 [pid 7487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7487] setpgid(0, 0) = 0 [pid 7487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7487] write(3, "1000", 4) = 4 [pid 7487] close(3) = 0 [pid 7487] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7486] <... close resumed>) = 0 [pid 7487] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7487] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7487] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7486] symlink("/dev/binderfs", "./binderfs" [pid 7487] <... clone resumed>, parent_tid=[7489], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7489 [pid 7486] <... symlink resumed>) = 0 [pid 7487] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7489 attached [pid 7487] <... futex resumed>) = 0 [pid 7486] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 7489] set_robust_list(0x7f6a589f59e0, 24 [pid 7486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7489] <... set_robust_list resumed>) = 0 [pid 7486] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] umount2("./122/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7489] memfd_create("syzkaller", 0 [pid 7486] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7489] <... memfd_create resumed>) = 3 [pid 7486] <... mprotect resumed>) = 0 [pid 5001] lstat("./122/bus", [pid 7489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 166.601101][ T7484] loop3: detected capacity change from 0 to 8192 [ 166.633169][ T7484] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7486] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7490 attached [pid 7489] <... mmap resumed>) = 0x7f6a505d5000 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7490] set_robust_list(0x7f6a589f59e0, 24 [pid 7487] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7486] <... clone resumed>, parent_tid=[7490], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7490 [pid 5001] umount2("./122/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7486] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7486] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./122/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7486] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... openat resumed>) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./122/bus") = 0 [pid 5001] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./122/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./122") = 0 [pid 5001] mkdir("./123", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 7490] <... set_robust_list resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7491 ./strace-static-x86_64: Process 7491 attached [pid 7490] memfd_create("syzkaller", 0 [pid 7489] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7490] <... memfd_create resumed>) = 3 [pid 7490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7491] set_robust_list(0x5555564f86e0, 24) = 0 [ 166.648189][ T7484] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 166.658065][ T7484] REISERFS (device loop3): using ordered data mode [ 166.665010][ T7484] reiserfs: using flush barriers [ 166.670999][ T7484] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 166.687625][ T7484] REISERFS (device loop3): checking transaction log (loop3) [pid 7491] chdir("./123") = 0 [pid 7491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7491] setpgid(0, 0) = 0 [pid 7491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7491] write(3, "1000", 4) = 4 [pid 7491] close(3) = 0 [pid 7491] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7491] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7491] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7491] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7492], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7492 [pid 7491] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7491] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7492 attached [pid 7489] <... write resumed>) = 4194304 [pid 7492] set_robust_list(0x7f6a589f59e0, 24 [pid 7489] munmap(0x7f6a505d5000, 4194304 [pid 7492] <... set_robust_list resumed>) = 0 [pid 7492] memfd_create("syzkaller", 0 [pid 7490] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7489] <... munmap resumed>) = 0 [pid 7489] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7492] <... memfd_create resumed>) = 3 [pid 7492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7489] ioctl(4, LOOP_SET_FD, 3 [pid 7484] <... mount resumed>) = 0 [pid 7489] <... ioctl resumed>) = 0 [pid 7484] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7484] chdir("./bus") = 0 [pid 7484] ioctl(4, LOOP_CLR_FD) = 0 [pid 7484] close(4 [pid 7489] close(3) = 0 [pid 7489] mkdir("./bus", 0777 [pid 7490] <... write resumed>) = 4194304 [pid 7489] <... mkdir resumed>) = 0 [pid 7484] <... close resumed>) = 0 [pid 7490] munmap(0x7f6a505d5000, 4194304 [pid 7489] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7484] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7483] <... futex resumed>) = 0 [pid 7490] <... munmap resumed>) = 0 [pid 7484] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7483] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7490] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7483] <... futex resumed>) = 0 [pid 7490] <... openat resumed>) = 4 [ 166.700080][ T7484] REISERFS (device loop3): Using r5 hash to sort names [ 166.719637][ T7484] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 166.735936][ T7484] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 166.738644][ T7489] loop0: detected capacity change from 0 to 8192 [pid 7484] mkdir("./file1", 000 [pid 7483] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7490] ioctl(4, LOOP_SET_FD, 3 [pid 7484] <... mkdir resumed>) = 0 [pid 7484] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7483] <... futex resumed>) = 0 [pid 7484] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7483] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7483] <... futex resumed>) = 0 [pid 7484] mkdir("./bus", 000 [pid 7490] <... ioctl resumed>) = 0 [pid 7490] close(3) = 0 [pid 7490] mkdir("./bus", 0777) = 0 [pid 7490] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7483] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] <... mkdir resumed>) = 0 [pid 7484] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7484] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7483] <... futex resumed>) = 0 [pid 7492] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7483] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7484] <... futex resumed>) = 0 [pid 7483] <... futex resumed>) = 1 [pid 7484] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 166.783504][ T7490] loop1: detected capacity change from 0 to 8192 [ 166.792941][ T7489] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 166.806895][ T7489] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 166.816523][ T7489] REISERFS (device loop0): using ordered data mode [ 166.823591][ T7489] reiserfs: using flush barriers [ 166.830420][ T7484] overlayfs: upper fs needs to support d_type. [ 166.836654][ T7484] overlayfs: upper fs does not support tmpfile. [ 166.843416][ T7490] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 166.856798][ T7489] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 166.872986][ T7490] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7483] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] <... write resumed>) = 4194304 [pid 7483] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7492] munmap(0x7f6a505d5000, 4194304 [pid 7483] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7492] <... munmap resumed>) = 0 [pid 7483] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7483] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7495], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7495 [pid 7483] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7483] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7492] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 166.874089][ T7484] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 166.887948][ T7490] REISERFS (device loop1): using ordered data mode [ 166.892838][ T7484] overlayfs: failed to resolve './file0': -2 [ 166.896162][ T7489] REISERFS (device loop0): checking transaction log (loop0) [ 166.901941][ T7490] reiserfs: using flush barriers [ 166.914331][ T7492] loop4: detected capacity change from 0 to 8192 [pid 7492] ioctl(4, LOOP_SET_FD, 3 [pid 7484] <... mount resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 7495 attached [pid 7495] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7495] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7495] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7492] <... ioctl resumed>) = 0 [pid 7492] close(3) = 0 [pid 7492] mkdir("./bus", 0777) = 0 [pid 7492] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7484] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 166.915658][ T7490] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 166.931506][ T7492] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 166.937717][ T7490] REISERFS (device loop1): checking transaction log (loop1) [ 166.951451][ T7495] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 166.957922][ T7490] REISERFS (device loop1): Using r5 hash to sort names [pid 7484] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7495] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7495] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7483] <... futex resumed>) = 0 [pid 7495] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7483] exit_group(0 [pid 7495] <... futex resumed>) = ? [pid 7484] <... futex resumed>) = ? [pid 7483] <... exit_group resumed>) = ? [pid 7495] +++ exited with 0 +++ [pid 7484] +++ exited with 0 +++ [pid 7483] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7483, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5000] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 166.980332][ T7492] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 166.981121][ T7489] REISERFS (device loop0): Using r5 hash to sort names [ 166.990414][ T7492] REISERFS (device loop4): using ordered data mode [ 167.003408][ T7492] reiserfs: using flush barriers [ 167.007039][ T7489] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 167.009635][ T7490] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5000] umount2("./124/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7490] <... mount resumed>) = 0 [pid 7490] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7490] chdir("./bus") = 0 [pid 7490] ioctl(4, LOOP_CLR_FD) = 0 [pid 7490] close(4) = 0 [pid 7489] <... mount resumed>) = 0 [pid 7490] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [ 167.027460][ T7492] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 167.034591][ T7490] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 167.053535][ T7489] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 167.060054][ T7492] REISERFS (device loop4): checking transaction log (loop4) [pid 7489] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7486] <... futex resumed>) = 0 [pid 7490] <... futex resumed>) = 1 [pid 7489] chdir("./bus" [pid 7490] mkdir("./file1", 000 [pid 7489] <... chdir resumed>) = 0 [pid 7486] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7490] <... mkdir resumed>) = 0 [pid 7489] ioctl(4, LOOP_CLR_FD [pid 7486] <... futex resumed>) = 0 [pid 7486] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7490] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... ioctl resumed>) = 0 [pid 7486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7486] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] <... mount resumed>) = 0 [pid 7486] <... futex resumed>) = 0 [pid 7489] close(4 [pid 7490] <... futex resumed>) = 0 [pid 7486] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7492] chdir("./bus" [pid 7489] <... close resumed>) = 0 [pid 7492] <... chdir resumed>) = 0 [pid 7492] ioctl(4, LOOP_CLR_FD) = 0 [pid 7492] close(4) = 0 [pid 7492] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7491] <... futex resumed>) = 0 [pid 7491] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7491] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7489] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7490] mkdir("./bus", 000 [pid 7492] <... futex resumed>) = 1 [pid 7492] mkdir("./file1", 000 [pid 7489] <... futex resumed>) = 1 [pid 7487] <... futex resumed>) = 0 [pid 7487] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] <... mkdir resumed>) = 0 [pid 7487] <... futex resumed>) = 0 [pid 7492] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7487] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7491] <... futex resumed>) = 0 [pid 7491] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7491] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7490] <... mkdir resumed>) = 0 [pid 7489] mkdir("./file1", 000 [pid 7492] <... futex resumed>) = 1 [pid 7489] <... mkdir resumed>) = 0 [pid 7492] mkdir("./bus", 000) = 0 [pid 7492] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7491] <... futex resumed>) = 0 [pid 7491] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7491] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] <... futex resumed>) = 1 [pid 7492] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7489] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7487] <... futex resumed>) = 0 [pid 7487] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 167.082043][ T7492] REISERFS (device loop4): Using r5 hash to sort names [ 167.089786][ T7492] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 167.103445][ T7492] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7489] mkdir("./bus", 000 [pid 7490] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7487] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = 0 [pid 7489] <... mkdir resumed>) = 0 [pid 7490] <... futex resumed>) = 1 [pid 7486] <... futex resumed>) = 0 [pid 7489] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7490] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7486] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = 1 [pid 7487] <... futex resumed>) = 0 [pid 7486] <... futex resumed>) = 0 [pid 7489] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7487] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] umount2("./124/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./124/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./124/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./124/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./124/bus") = 0 [pid 5000] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./124/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./124") = 0 [pid 5000] mkdir("./125", 0777 [pid 7487] <... futex resumed>) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7497 [pid 7487] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7497 attached [pid 7497] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7497] chdir("./125") = 0 [pid 7497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7497] setpgid(0, 0) = 0 [pid 7497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7497] write(3, "1000", 4) = 4 [pid 7497] close(3) = 0 [pid 7497] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7491] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7491] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7491] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7491] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7491] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7498], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7498 [pid 7491] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7491] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7497] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [ 167.131764][ T7492] overlayfs: upper fs needs to support d_type. [ 167.139360][ T7492] overlayfs: upper fs does not support tmpfile. [ 167.139969][ T7490] overlayfs: upper fs needs to support d_type. [ 167.152944][ T7489] overlayfs: upper fs needs to support d_type. [ 167.156579][ T7492] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 167.166634][ T7489] overlayfs: upper fs does not support tmpfile. [ 167.177632][ T7492] overlayfs: failed to resolve './file0': -2 [pid 7497] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7497] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7499], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7499 [pid 7497] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7497] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7499 attached [pid 7499] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7499] memfd_create("syzkaller", 0) = 3 [pid 7499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7486] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7486] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7486] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7500], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7500 ./strace-static-x86_64: Process 7498 attached [pid 7486] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7498] set_robust_list(0x7f6a509d49e0, 24 [pid 7486] <... futex resumed>) = 0 [pid 7486] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7498] <... set_robust_list resumed>) = 0 [pid 7498] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7498] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7487] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7487] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7487] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7487] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7501], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7501 [pid 7487] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7487] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7501 attached [pid 7501] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7501] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7501] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7500 attached [pid 7500] set_robust_list(0x7f6a509d49e0, 24 [pid 7492] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7492] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7492] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] <... set_robust_list resumed>) = 0 [pid 7500] mkdir(".", 0777) = -1 EEXIST (File exists) [ 167.189621][ T7490] overlayfs: upper fs does not support tmpfile. [ 167.196266][ T7490] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 167.221462][ T7489] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7500] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7499] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7498] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7498] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7491] <... futex resumed>) = 0 [pid 7498] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7491] exit_group(0 [pid 7490] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7500] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 167.233145][ T7498] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 167.244015][ T7501] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 167.251191][ T7500] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 167.279266][ T7490] overlayfs: failed to resolve './file0': -2 [pid 7498] <... futex resumed>) = ? [pid 7500] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] <... futex resumed>) = ? [pid 7491] <... exit_group resumed>) = ? [pid 7490] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] +++ exited with 0 +++ [pid 7498] +++ exited with 0 +++ [pid 7491] +++ exited with 0 +++ [pid 7490] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7491, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 7490] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... restart_syscall resumed>) = 0 [pid 7486] <... futex resumed>) = 0 [pid 7500] <... futex resumed>) = 1 [pid 7486] exit_group(0 [pid 5001] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7501] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7499] <... write resumed>) = 4194304 [pid 7490] <... futex resumed>) = ? [pid 7489] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7486] <... exit_group resumed>) = ? [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7490] +++ exited with 0 +++ [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./123/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7499] munmap(0x7f6a505d5000, 4194304 [pid 7500] +++ exited with 0 +++ [pid 7486] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7486, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 7489] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7489] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7501] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7499] <... munmap resumed>) = 0 [pid 7487] <... futex resumed>) = 0 [pid 7487] exit_group(0) = ? [pid 7501] +++ exited with 0 +++ [pid 7499] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4998] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./124/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7499] <... openat resumed>) = 4 [pid 7499] ioctl(4, LOOP_SET_FD, 3 [pid 7489] <... futex resumed>) = ? [pid 7489] +++ exited with 0 +++ [pid 7487] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7487, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 167.289150][ T7489] overlayfs: failed to resolve './file0': -2 [pid 4997] umount2("./123/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7499] <... ioctl resumed>) = 0 [pid 7499] close(3) = 0 [pid 7499] mkdir("./bus", 0777) = 0 [ 167.330091][ T7499] loop3: detected capacity change from 0 to 8192 [pid 7499] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5001] <... umount2 resumed>) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 5001] umount2("./123/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./124/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./124/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./124/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./124/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./124/bus") = 0 [pid 4998] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./124/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./124") = 0 [pid 4998] mkdir("./125", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4997] umount2("./123/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] ioctl(3, LOOP_CLR_FD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 167.380424][ T7499] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 167.394161][ T7499] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 167.403660][ T7499] REISERFS (device loop3): using ordered data mode [ 167.410425][ T7499] reiserfs: using flush barriers [pid 4997] lstat("./123/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] close(3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... close resumed>) = 0 [pid 4997] umount2("./123/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./123/bus", [pid 4997] openat(AT_FDCWD, "./123/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... openat resumed>) = 4 [pid 5001] umount2("./123/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7503 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./123/bus") = 0 [pid 4997] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./123/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./123" [pid 5001] openat(AT_FDCWD, "./123/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ./strace-static-x86_64: Process 7503 attached [pid 5001] fstat(4, [pid 4997] <... rmdir resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7503] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7503] chdir("./125") = 0 [pid 7503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7503] setpgid(0, 0) = 0 [pid 7503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7503] write(3, "1000", 4) = 4 [pid 7503] close(3) = 0 [pid 7503] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7503] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7503] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] mkdir("./124", 0777 [pid 5001] getdents64(4, [pid 7503] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7504], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7504 [pid 7503] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7503] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7504 attached [pid 7504] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7504] memfd_create("syzkaller", 0) = 3 [pid 7504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./123/bus") = 0 [pid 5001] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./123/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./123") = 0 [pid 5001] mkdir("./124", 0777 [pid 4997] <... mkdir resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 4997] <... openat resumed>) = 3 [pid 7499] <... mount resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 7499] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7499] <... openat resumed>) = 3 [pid 7499] chdir("./bus") = 0 [pid 7499] ioctl(4, LOOP_CLR_FD) = 0 [pid 7499] close(4) = 0 [pid 7499] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] <... futex resumed>) = 0 [pid 7497] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4997] close(3 [pid 7497] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7499] <... futex resumed>) = 1 [pid 7499] mkdir("./file1", 000) = 0 [pid 7499] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] <... futex resumed>) = 0 [pid 7497] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7497] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7499] <... futex resumed>) = 1 [pid 7499] mkdir("./bus", 000) = 0 [pid 7499] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7505 [pid 7497] <... futex resumed>) = 0 [pid 7497] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7497] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7499] <... futex resumed>) = 1 [pid 7499] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7506 [ 167.416168][ T7499] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 167.433423][ T7499] REISERFS (device loop3): checking transaction log (loop3) [ 167.441956][ T7499] REISERFS (device loop3): Using r5 hash to sort names [ 167.449369][ T7499] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 167.462297][ T7499] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. ./strace-static-x86_64: Process 7505 attached ./strace-static-x86_64: Process 7506 attached [pid 7506] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7506] chdir("./124") = 0 [pid 7506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7506] setpgid(0, 0) = 0 [pid 7506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7506] write(3, "1000", 4 [pid 7505] set_robust_list(0x5555564f86e0, 24 [pid 7506] <... write resumed>) = 4 [pid 7506] close(3) = 0 [pid 7506] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7506] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7506] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7506] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7507], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7507 [pid 7506] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7505] <... set_robust_list resumed>) = 0 [pid 7506] <... futex resumed>) = 0 [pid 7505] chdir("./124" [pid 7506] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7505] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 7507 attached [pid 7505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7504] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7505] <... prctl resumed>) = 0 [pid 7505] setpgid(0, 0) = 0 [pid 7505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7505] write(3, "1000", 4 [pid 7507] set_robust_list(0x7f6a589f59e0, 24 [pid 7505] <... write resumed>) = 4 [pid 7505] close(3 [pid 7507] <... set_robust_list resumed>) = 0 [pid 7505] <... close resumed>) = 0 [pid 7505] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7505] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7505] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7505] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7508], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7508 [pid 7505] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7505] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7507] memfd_create("syzkaller", 0) = 3 [pid 7507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7508 attached [pid 7508] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7507] <... mmap resumed>) = 0x7f6a505d5000 [pid 7508] memfd_create("syzkaller", 0) = 3 [pid 7508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7497] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7497] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7497] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7497] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7497] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7509], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7509 [pid 7497] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7497] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7499] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7499] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7499] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7509 attached [pid 7509] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7509] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7509] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7504] <... write resumed>) = 4194304 [pid 7504] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7504] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 167.493214][ T7499] overlayfs: upper fs needs to support d_type. [ 167.505352][ T7499] overlayfs: upper fs does not support tmpfile. [ 167.513249][ T7499] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 167.522628][ T7499] overlayfs: failed to resolve './file0': -2 [pid 7504] ioctl(4, LOOP_SET_FD, 3 [pid 7508] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7504] <... ioctl resumed>) = 0 [pid 7504] close(3) = 0 [pid 7504] mkdir("./bus", 0777) = 0 [pid 7504] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7508] <... write resumed>) = 4194304 [pid 7508] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7508] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 167.575090][ T7504] loop1: detected capacity change from 0 to 8192 [ 167.584805][ T7509] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 167.600034][ T7504] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 167.613932][ T7508] loop4: detected capacity change from 0 to 8192 [pid 7508] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7508] close(3) = 0 [pid 7508] mkdir("./bus", 0777) = 0 [pid 7508] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7509] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7509] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] <... futex resumed>) = 0 [pid 7497] exit_group(0 [pid 7499] <... futex resumed>) = ? [pid 7497] <... exit_group resumed>) = ? [pid 7499] +++ exited with 0 +++ [pid 7509] <... futex resumed>) = ? [pid 7509] +++ exited with 0 +++ [pid 7497] +++ exited with 0 +++ [pid 7507] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7497, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5000] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7507] <... write resumed>) = 4194304 [pid 7507] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7507] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7507] ioctl(4, LOOP_SET_FD, 3 [pid 5000] getdents64(3, [pid 7507] <... ioctl resumed>) = 0 [pid 7507] close(3 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7507] <... close resumed>) = 0 [pid 5000] umount2("./125/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7507] mkdir("./bus", 0777) = 0 [ 167.620413][ T7504] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 167.631567][ T7508] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 167.645929][ T7504] REISERFS (device loop1): using ordered data mode [ 167.649471][ T7507] loop0: detected capacity change from 0 to 8192 [ 167.659284][ T7504] reiserfs: using flush barriers [ 167.659872][ T7508] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 167.675612][ T7508] REISERFS (device loop4): using ordered data mode [ 167.677266][ T7504] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 167.683122][ T7508] reiserfs: using flush barriers [ 167.699322][ T7507] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 167.704418][ T7504] REISERFS (device loop1): checking transaction log (loop1) [ 167.723804][ T7508] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 167.726199][ T7507] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 167.741142][ T7508] REISERFS (device loop4): checking transaction log (loop4) [ 167.758111][ T7508] REISERFS (device loop4): Using r5 hash to sort names [ 167.758530][ T7504] REISERFS (device loop1): Using r5 hash to sort names [ 167.765651][ T7507] REISERFS (device loop0): using ordered data mode [ 167.778701][ T7507] reiserfs: using flush barriers [ 167.783686][ T7508] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 167.784518][ T7504] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 167.809214][ T7504] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7507] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./125/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./125/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7504] <... mount resumed>) = 0 [pid 5000] umount2("./125/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7504] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7504] chdir("./bus") = 0 [pid 7504] ioctl(4, LOOP_CLR_FD) = 0 [pid 7504] close(4 [pid 7508] <... mount resumed>) = 0 [pid 7504] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7508] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7504] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "./125/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7504] <... futex resumed>) = 1 [pid 7504] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7508] <... openat resumed>) = 3 [pid 7503] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 4 [pid 7508] chdir("./bus" [pid 7503] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] fstat(4, [pid 7508] <... chdir resumed>) = 0 [pid 7504] <... futex resumed>) = 0 [pid 7503] <... futex resumed>) = 1 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7508] ioctl(4, LOOP_CLR_FD [pid 7504] mkdir("./file1", 000 [pid 7503] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] getdents64(4, [pid 7508] <... ioctl resumed>) = 0 [pid 7504] <... mkdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7508] close(4 [pid 7504] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] getdents64(4, [pid 7508] <... close resumed>) = 0 [pid 7504] <... futex resumed>) = 1 [pid 7503] <... futex resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7508] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7504] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7503] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(4 [pid 7508] <... futex resumed>) = 1 [pid 7505] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 7508] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7505] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] rmdir("./125/bus" [pid 7508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7505] <... futex resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 7508] mkdir("./file1", 000 [pid 7505] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7503] <... futex resumed>) = 0 [pid 5000] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7508] <... mkdir resumed>) = 0 [pid 7503] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7508] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] lstat("./125/binderfs", [pid 7508] <... futex resumed>) = 1 [pid 7505] <... futex resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7508] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7505] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] unlink("./125/binderfs" [pid 7508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7505] <... futex resumed>) = 0 [pid 7504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] <... unlink resumed>) = 0 [pid 7508] mkdir("./bus", 000 [pid 7505] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7504] mkdir("./bus", 000 [pid 5000] getdents64(3, [pid 7508] <... mkdir resumed>) = 0 [pid 7504] <... mkdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7508] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7504] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 7508] <... futex resumed>) = 1 [pid 7505] <... futex resumed>) = 0 [pid 7504] <... futex resumed>) = 1 [pid 7503] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 7508] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7505] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7504] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7503] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] rmdir("./125" [pid 7508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7505] <... futex resumed>) = 0 [pid 7504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7503] <... futex resumed>) = 0 [ 167.809702][ T7507] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 167.832654][ T7508] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 167.847899][ T7507] REISERFS (device loop0): checking transaction log (loop0) [ 167.863635][ T7507] REISERFS (device loop0): Using r5 hash to sort names [pid 5000] <... rmdir resumed>) = 0 [pid 7508] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7505] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7504] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7503] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] mkdir("./126", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7513 ./strace-static-x86_64: Process 7513 attached [pid 7513] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7513] chdir("./126") = 0 [pid 7513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7513] setpgid(0, 0) = 0 [pid 7513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7513] write(3, "1000", 4) = 4 [pid 7513] close(3) = 0 [pid 7513] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7513] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7513] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7513] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7514], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7514 [pid 7513] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 167.878960][ T7508] overlayfs: upper fs needs to support d_type. [ 167.885199][ T7507] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 167.887431][ T7508] overlayfs: upper fs does not support tmpfile. [ 167.899115][ T7507] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 167.914587][ T7504] overlayfs: upper fs needs to support d_type. [pid 7513] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7514 attached [pid 7514] set_robust_list(0x7f6a589f59e0, 24 [pid 7507] <... mount resumed>) = 0 [pid 7505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7503] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7505] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7503] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7505] <... futex resumed>) = 0 [pid 7503] <... futex resumed>) = 0 [pid 7505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7505] <... mmap resumed>) = 0x7f6a509b4000 [pid 7503] <... mmap resumed>) = 0x7f6a509b4000 [pid 7505] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7503] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7505] <... mprotect resumed>) = 0 [pid 7503] <... mprotect resumed>) = 0 [pid 7505] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7503] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7505] <... clone resumed>, parent_tid=[7515], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7515 [pid 7503] <... clone resumed>, parent_tid=[7516], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7516 [pid 7505] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7503] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7505] <... futex resumed>) = 0 [pid 7503] <... futex resumed>) = 0 [pid 7514] <... set_robust_list resumed>) = 0 [pid 7507] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 7516 attached [pid 7514] memfd_create("syzkaller", 0 [pid 7505] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7503] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7507] <... openat resumed>) = 3 [pid 7514] <... memfd_create resumed>) = 3 [pid 7507] chdir("./bus" [pid 7516] set_robust_list(0x7f6a509d49e0, 24./strace-static-x86_64: Process 7515 attached [pid 7515] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7515] mkdir(".", 0777 [pid 7507] <... chdir resumed>) = 0 [pid 7514] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7507] ioctl(4, LOOP_CLR_FD [pid 7514] <... mmap resumed>) = 0x7f6a505d5000 [pid 7507] <... ioctl resumed>) = 0 [pid 7507] close(4 [pid 7515] <... mkdir resumed>) = -1 EEXIST (File exists) [ 167.931002][ T7504] overlayfs: upper fs does not support tmpfile. [ 167.936607][ T7508] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 167.939679][ T7504] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 167.946342][ T7508] overlayfs: failed to resolve './file0': -2 [ 167.953095][ T7504] overlayfs: failed to resolve './file0': -2 [pid 7515] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7516] <... set_robust_list resumed>) = 0 [pid 7507] <... close resumed>) = 0 [pid 7507] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7506] <... futex resumed>) = 0 [pid 7507] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7506] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7516] mkdir(".", 0777 [pid 7507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7506] <... futex resumed>) = 0 [pid 7516] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7507] mkdir("./file1", 000 [pid 7506] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7516] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7507] <... mkdir resumed>) = 0 [pid 7507] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7506] <... futex resumed>) = 0 [pid 7515] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7507] mkdir("./bus", 000 [pid 7506] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7507] <... mkdir resumed>) = 0 [pid 7506] <... futex resumed>) = 0 [pid 7515] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7505] <... futex resumed>) = 0 [pid 7515] <... futex resumed>) = 1 [pid 7515] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7514] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7506] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7516] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7507] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7506] <... futex resumed>) = 0 [pid 7516] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7507] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7506] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7516] <... futex resumed>) = 1 [pid 7507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7506] <... futex resumed>) = 0 [pid 7507] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7506] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7516] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7503] <... futex resumed>) = 0 [pid 7508] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7504] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7508] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7504] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7504] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7508] <... futex resumed>) = 0 [pid 7505] exit_group(0 [pid 7503] exit_group(0 [pid 7516] <... futex resumed>) = ? [pid 7515] <... futex resumed>) = ? [pid 7505] <... exit_group resumed>) = ? [pid 7504] <... futex resumed>) = ? [pid 7503] <... exit_group resumed>) = ? [pid 7516] +++ exited with 0 +++ [pid 7504] +++ exited with 0 +++ [pid 7515] +++ exited with 0 +++ [pid 7508] +++ exited with 0 +++ [pid 7505] +++ exited with 0 +++ [pid 7503] +++ exited with 0 +++ [ 167.973485][ T7515] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 167.994312][ T7516] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 168.012291][ T7507] overlayfs: upper fs needs to support d_type. [ 168.019479][ T7507] overlayfs: upper fs does not support tmpfile. [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7505, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7503, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5001] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 3 [pid 4998] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 4998] fstat(3, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 4998] getdents64(3, [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./124/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./125/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7506] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7514] <... write resumed>) = 4194304 [pid 7506] <... mmap resumed>) = 0x7f6a509b4000 [pid 7506] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7514] munmap(0x7f6a505d5000, 4194304 [pid 7506] <... mprotect resumed>) = 0 [pid 7506] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7517], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7517 [pid 7506] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7506] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7514] <... munmap resumed>) = 0 [pid 7514] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 ./strace-static-x86_64: Process 7517 attached [pid 7514] ioctl(4, LOOP_SET_FD, 3 [pid 7517] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7517] mkdir(".", 0777) = -1 EEXIST (File exists) [ 168.034681][ T7507] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 168.047668][ T7507] overlayfs: failed to resolve './file0': -2 [ 168.073525][ T7514] loop3: detected capacity change from 0 to 8192 [pid 7517] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7507] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7507] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7507] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... umount2 resumed>) = 0 [pid 7514] <... ioctl resumed>) = 0 [pid 7514] close(3 [pid 4998] <... umount2 resumed>) = 0 [pid 7514] <... close resumed>) = 0 [pid 5001] umount2("./124/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7517] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7514] mkdir("./bus", 0777 [pid 4998] umount2("./125/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7514] <... mkdir resumed>) = 0 [pid 5001] lstat("./124/bus", [pid 7517] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7514] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7506] <... futex resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] lstat("./125/bus", [pid 7517] <... futex resumed>) = 1 [pid 7506] exit_group(0 [pid 5001] umount2("./124/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7506] <... exit_group resumed>) = ? [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7507] <... futex resumed>) = ? [pid 5001] openat(AT_FDCWD, "./124/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7507] +++ exited with 0 +++ [pid 5001] <... openat resumed>) = 4 [pid 4998] umount2("./125/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./124/bus") = 0 [pid 5001] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./124/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./124") = 0 [pid 5001] mkdir("./125", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] openat(AT_FDCWD, "./125/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] close(3 [pid 4998] <... openat resumed>) = 4 [pid 5001] <... close resumed>) = 0 [pid 4998] fstat(4, [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7519 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [ 168.092751][ T7517] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 168.124168][ T7514] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./125/bus") = 0 [pid 4998] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./125/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./125"./strace-static-x86_64: Process 7519 attached ) = 0 [pid 7517] +++ exited with 0 +++ [pid 7506] +++ exited with 0 +++ [pid 4998] mkdir("./126", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7520 [pid 7519] set_robust_list(0x5555564f86e0, 24./strace-static-x86_64: Process 7520 attached [pid 7520] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7519] <... set_robust_list resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7506, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7520] chdir("./126" [pid 7519] chdir("./125" [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 7519] <... chdir resumed>) = 0 [pid 7519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... restart_syscall resumed>) = 0 [pid 7519] <... prctl resumed>) = 0 [pid 7519] setpgid(0, 0 [pid 7520] <... chdir resumed>) = 0 [pid 7520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7520] setpgid(0, 0) = 0 [pid 7520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7520] write(3, "1000", 4) = 4 [pid 7520] close(3) = 0 [pid 7520] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7520] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7520] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7520] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7521], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7521 [pid 7520] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7520] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7521 attached [pid 7519] <... setpgid resumed>) = 0 [pid 7521] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7521] memfd_create("syzkaller", 0 [pid 4997] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7519] <... openat resumed>) = 3 [pid 7519] write(3, "1000", 4 [pid 4997] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7521] <... memfd_create resumed>) = 3 [pid 7521] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7519] <... write resumed>) = 4 [pid 4997] <... openat resumed>) = 3 [pid 7519] close(3 [pid 4997] fstat(3, [pid 7519] <... close resumed>) = 0 [pid 7519] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7519] <... symlink resumed>) = 0 [pid 7519] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [ 168.137890][ T7514] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 168.149981][ T7514] REISERFS (device loop3): using ordered data mode [ 168.157129][ T7514] reiserfs: using flush barriers [ 168.164712][ T7514] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 168.184357][ T7514] REISERFS (device loop3): checking transaction log (loop3) [pid 4997] getdents64(3, [pid 7519] <... futex resumed>) = 0 [pid 7519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7519] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] umount2("./124/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7519] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7521] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7519] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7522], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7522 [pid 7519] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7519] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7522 attached [pid 7522] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7522] memfd_create("syzkaller", 0) = 3 [pid 7522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 168.194169][ T7514] REISERFS (device loop3): Using r5 hash to sort names [ 168.201987][ T7514] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./124/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7514] <... mount resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7514] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 4997] lstat("./124/bus", [pid 7514] <... openat resumed>) = 3 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7514] chdir("./bus" [pid 4997] umount2("./124/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7514] <... chdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7514] ioctl(4, LOOP_CLR_FD [pid 4997] openat(AT_FDCWD, "./124/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7514] <... ioctl resumed>) = 0 [pid 4997] fstat(4, [pid 7514] close(4 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7514] <... close resumed>) = 0 [pid 4997] getdents64(4, [pid 7514] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7513] <... futex resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7514] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7513] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7513] <... futex resumed>) = 0 [pid 4997] getdents64(4, [pid 7514] mkdir("./file1", 000 [pid 7513] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7514] <... mkdir resumed>) = 0 [pid 4997] close(4 [pid 7514] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7513] <... futex resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 7514] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7513] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7513] <... futex resumed>) = 0 [pid 4997] rmdir("./124/bus" [pid 7514] mkdir("./bus", 000 [pid 7513] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] <... rmdir resumed>) = 0 [pid 7514] <... mkdir resumed>) = 0 [pid 4997] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7514] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7513] <... futex resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7514] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7513] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] lstat("./124/binderfs", [pid 7514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7513] <... futex resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7514] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7513] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] unlink("./124/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./124") = 0 [pid 4997] mkdir("./125", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 168.240610][ T7514] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 168.274283][ T7514] overlayfs: upper fs needs to support d_type. [ 168.283208][ T7514] overlayfs: upper fs does not support tmpfile. [pid 4997] close(3 [pid 7521] <... write resumed>) = 4194304 [pid 4997] <... close resumed>) = 0 [pid 7521] munmap(0x7f6a505d5000, 4194304 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7521] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7523 attached [pid 7521] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7523 [pid 7523] set_robust_list(0x5555564f86e0, 24 [pid 7521] <... openat resumed>) = 4 [pid 7523] <... set_robust_list resumed>) = 0 [pid 7521] ioctl(4, LOOP_SET_FD, 3 [pid 7522] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7521] <... ioctl resumed>) = 0 [pid 7523] chdir("./125") = 0 [pid 7523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7523] setpgid(0, 0 [pid 7521] close(3 [pid 7513] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7523] <... setpgid resumed>) = 0 [pid 7521] <... close resumed>) = 0 [pid 7513] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7521] mkdir("./bus", 0777 [pid 7513] <... futex resumed>) = 0 [pid 7523] <... openat resumed>) = 3 [pid 7521] <... mkdir resumed>) = 0 [pid 7513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7523] write(3, "1000", 4) = 4 [pid 7521] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7513] <... mmap resumed>) = 0x7f6a509b4000 [pid 7523] close(3 [pid 7513] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7523] <... close resumed>) = 0 [pid 7513] <... mprotect resumed>) = 0 [pid 7523] symlink("/dev/binderfs", "./binderfs" [pid 7513] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7523] <... symlink resumed>) = 0 [pid 7523] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7513] <... clone resumed>, parent_tid=[7525], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7525 ./strace-static-x86_64: Process 7525 attached [pid 7525] set_robust_list(0x7f6a509d49e0, 24) = 0 [ 168.295186][ T7514] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 168.310356][ T7521] loop1: detected capacity change from 0 to 8192 [ 168.319427][ T7514] overlayfs: failed to resolve './file0': -2 [pid 7525] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7513] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7525] <... futex resumed>) = 0 [pid 7513] <... futex resumed>) = 1 [pid 7525] mkdir(".", 0777 [pid 7523] <... mmap resumed>) = 0x7f6a589d5000 [pid 7514] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7513] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7525] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7523] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7514] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7525] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7514] <... futex resumed>) = 0 [pid 7523] <... mprotect resumed>) = 0 [pid 7514] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7523] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7522] <... write resumed>) = 4194304 [pid 7522] munmap(0x7f6a505d5000, 4194304 [pid 7523] <... clone resumed>, parent_tid=[7526], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7526 [pid 7523] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7523] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7522] <... munmap resumed>) = 0 [pid 7522] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7522] ioctl(4, LOOP_SET_FD, 3 [pid 7525] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7522] <... ioctl resumed>) = 0 [pid 7522] close(3) = 0 [pid 7522] mkdir("./bus", 0777 [pid 7525] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7522] <... mkdir resumed>) = 0 [pid 7525] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7522] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7526 attached [pid 7526] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7526] memfd_create("syzkaller", 0 [pid 7513] <... futex resumed>) = 0 [pid 7526] <... memfd_create resumed>) = 3 [ 168.336946][ T7521] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 168.351123][ T7521] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 168.366314][ T7525] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 168.369754][ T7522] loop4: detected capacity change from 0 to 8192 [ 168.381593][ T7521] REISERFS (device loop1): using ordered data mode [pid 7526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7513] exit_group(0 [pid 7514] <... futex resumed>) = ? [pid 7513] <... exit_group resumed>) = ? [pid 7514] +++ exited with 0 +++ [pid 7525] <... futex resumed>) = ? [pid 7525] +++ exited with 0 +++ [pid 7513] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7513, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5000] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 168.394791][ T7521] reiserfs: using flush barriers [ 168.403735][ T7521] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 168.406789][ T7522] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 168.420624][ T7521] REISERFS (device loop1): checking transaction log (loop1) [pid 5000] umount2("./126/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7521] <... mount resumed>) = 0 [pid 7526] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7521] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7521] chdir("./bus") = 0 [pid 7521] ioctl(4, LOOP_CLR_FD) = 0 [ 168.441150][ T7521] REISERFS (device loop1): Using r5 hash to sort names [ 168.448448][ T7521] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 168.461354][ T7521] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 168.470928][ T7522] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 168.480722][ T7522] REISERFS (device loop4): using ordered data mode [ 168.487779][ T7522] reiserfs: using flush barriers [pid 7521] close(4) = 0 [pid 7521] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7521] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7520] <... futex resumed>) = 0 [pid 7521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7520] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7521] mkdir("./file1", 000) = 0 [pid 7520] <... futex resumed>) = 0 [pid 7520] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7521] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7520] <... futex resumed>) = 0 [pid 7521] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7520] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7520] <... futex resumed>) = 0 [pid 7521] mkdir("./bus", 000 [pid 7520] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7521] <... mkdir resumed>) = 0 [pid 7521] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7520] <... futex resumed>) = 0 [pid 7521] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7520] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 168.494067][ T7522] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 168.511069][ T7522] REISERFS (device loop4): checking transaction log (loop4) [ 168.520615][ T7522] REISERFS (device loop4): Using r5 hash to sort names [ 168.531434][ T7521] overlayfs: upper fs needs to support d_type. [ 168.538849][ T7521] overlayfs: upper fs does not support tmpfile. [pid 7520] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7526] <... write resumed>) = 4194304 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./126/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./126/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./126/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./126/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7526] munmap(0x7f6a505d5000, 4194304 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, [pid 7526] <... munmap resumed>) = 0 [pid 7526] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./126/bus") = 0 [pid 5000] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7520] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7520] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7520] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7520] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7528], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7528 [pid 7520] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7520] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./126/binderfs") = 0 [pid 7526] ioctl(4, LOOP_SET_FD, 3 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./126") = 0 [pid 5000] mkdir("./127", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 168.545480][ T7521] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 168.556895][ T7522] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 168.564348][ T7521] overlayfs: failed to resolve './file0': -2 [ 168.587610][ T7526] loop0: detected capacity change from 0 to 8192 [pid 5000] close(3./strace-static-x86_64: Process 7528 attached [pid 7526] <... ioctl resumed>) = 0 [pid 7522] <... mount resumed>) = 0 [pid 7521] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5000] <... close resumed>) = 0 [pid 7526] close(3 [pid 7521] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] <... close resumed>) = 0 [pid 7521] <... futex resumed>) = 0 [pid 7526] mkdir("./bus", 0777 [pid 7521] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7528] set_robust_list(0x7f6a509d49e0, 24 [pid 7526] <... mkdir resumed>) = 0 [pid 7522] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7526] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7528] <... set_robust_list resumed>) = 0 [pid 7522] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7530 attached [pid 7528] mkdir(".", 0777 [pid 7522] chdir("./bus" [pid 7528] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7522] <... chdir resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7530 [pid 7528] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7522] ioctl(4, LOOP_CLR_FD) = 0 [pid 7522] close(4) = 0 [pid 7522] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7522] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] <... futex resumed>) = 0 [pid 7519] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] <... futex resumed>) = 0 [pid 7519] <... futex resumed>) = 1 [pid 7522] mkdir("./file1", 000) = 0 [pid 7519] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7522] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 168.594813][ T7522] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 168.608764][ T7526] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 168.626579][ T7528] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7522] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] set_robust_list(0x5555564f86e0, 24 [pid 7519] <... futex resumed>) = 1 [pid 7519] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7522] <... futex resumed>) = 0 [pid 7530] <... set_robust_list resumed>) = 0 [pid 7528] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7522] mkdir("./bus", 000 [pid 7530] chdir("./127" [pid 7528] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] <... mkdir resumed>) = 0 [pid 7528] <... futex resumed>) = 1 [pid 7520] <... futex resumed>) = 0 [pid 7530] <... chdir resumed>) = 0 [pid 7530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7528] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7522] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7520] exit_group(0 [pid 7530] <... prctl resumed>) = 0 [pid 7522] <... futex resumed>) = 1 [pid 7520] <... exit_group resumed>) = ? [pid 7530] setpgid(0, 0 [pid 7528] <... futex resumed>) = ? [pid 7521] <... futex resumed>) = ? [pid 7519] <... futex resumed>) = 0 [pid 7522] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7521] +++ exited with 0 +++ [pid 7519] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7519] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7528] +++ exited with 0 +++ [pid 7520] +++ exited with 0 +++ [pid 7522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7530] <... setpgid resumed>) = 0 [pid 7522] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7520, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7530] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7530] write(3, "1000", 4 [pid 4998] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7530] <... write resumed>) = 4 [pid 4998] <... openat resumed>) = 3 [pid 7530] close(3 [pid 4998] fstat(3, [pid 7530] <... close resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7530] symlink("/dev/binderfs", "./binderfs" [pid 4998] getdents64(3, [pid 7530] <... symlink resumed>) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7530] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./126/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7530] <... futex resumed>) = 0 [ 168.630546][ T7526] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 168.652777][ T7526] REISERFS (device loop0): using ordered data mode [ 168.661255][ T7526] reiserfs: using flush barriers [ 168.670730][ T7522] overlayfs: upper fs needs to support d_type. [ 168.677743][ T7526] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7530] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7530] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7531], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7531 [pid 7530] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7530] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7519] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7519] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7519] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7519] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7532], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7532 [pid 7519] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7519] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7532 attached [pid 7532] set_robust_list(0x7f6a509d49e0, 24) = 0 [ 168.685692][ T7522] overlayfs: upper fs does not support tmpfile. [ 168.695112][ T7526] REISERFS (device loop0): checking transaction log (loop0) [ 168.703780][ T7522] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 168.712489][ T7526] REISERFS (device loop0): Using r5 hash to sort names [ 168.724808][ T7526] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7532] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7532] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7526] <... mount resumed>) = 0 ./strace-static-x86_64: Process 7531 attached [pid 7531] set_robust_list(0x7f6a589f59e0, 24 [pid 7526] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7531] <... set_robust_list resumed>) = 0 [pid 7526] <... openat resumed>) = 3 [pid 7526] chdir("./bus") = 0 [pid 7526] ioctl(4, LOOP_CLR_FD [pid 7531] memfd_create("syzkaller", 0 [pid 7526] <... ioctl resumed>) = 0 [pid 7531] <... memfd_create resumed>) = 3 [pid 7526] close(4 [pid 7531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7526] <... close resumed>) = 0 [pid 7531] <... mmap resumed>) = 0x7f6a505d5000 [pid 7526] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7523] <... futex resumed>) = 0 [pid 7526] mkdir("./file1", 000 [pid 7523] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] <... mkdir resumed>) = 0 [pid 7523] <... futex resumed>) = 0 [pid 7523] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7526] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7523] <... futex resumed>) = 0 [pid 7526] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7523] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7523] <... futex resumed>) = 0 [pid 7526] mkdir("./bus", 000 [pid 7523] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7526] <... mkdir resumed>) = 0 [pid 7526] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7523] <... futex resumed>) = 0 [pid 7526] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7523] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 168.739293][ T7526] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7523] <... futex resumed>) = 0 [pid 7526] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7523] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7531] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./126/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./126/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./126/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./126/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./126/bus") = 0 [pid 4998] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7522] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7522] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] lstat("./126/binderfs", [pid 7522] <... futex resumed>) = 0 [pid 7522] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./126/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./126") = 0 [pid 4998] mkdir("./127", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 168.774393][ T7526] overlayfs: upper fs needs to support d_type. [ 168.777794][ T7522] overlayfs: failed to resolve './file0': -2 [ 168.789966][ T7532] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 168.800388][ T7526] overlayfs: upper fs does not support tmpfile. [pid 4998] close(3 [pid 7532] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7531] <... write resumed>) = 4194304 [pid 7523] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] <... close resumed>) = 0 [pid 7523] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7532] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] munmap(0x7f6a505d5000, 4194304 [pid 7523] <... futex resumed>) = 0 [pid 7523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7533 [pid 7523] <... mmap resumed>) = 0x7f6a509b4000 [pid 7523] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7523] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7534], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7534 [pid 7523] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7523] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7533 attached [pid 7533] set_robust_list(0x5555564f86e0, 24./strace-static-x86_64: Process 7534 attached [pid 7534] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7534] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7532] <... futex resumed>) = 1 [pid 7531] <... munmap resumed>) = 0 [pid 7519] <... futex resumed>) = 0 [pid 7532] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] exit_group(0) = ? [pid 7522] <... futex resumed>) = ? [pid 7532] <... futex resumed>) = ? [pid 7522] +++ exited with 0 +++ [pid 7533] <... set_robust_list resumed>) = 0 [pid 7534] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7532] +++ exited with 0 +++ [pid 7519] +++ exited with 0 +++ [pid 7531] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7519, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 7531] ioctl(4, LOOP_SET_FD, 3 [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7533] chdir("./127" [pid 7531] <... ioctl resumed>) = 0 [pid 7526] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] umount2("./125/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7533] <... chdir resumed>) = 0 [pid 7531] close(3 [pid 7526] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7531] <... close resumed>) = 0 [pid 7526] <... futex resumed>) = 0 [pid 7533] <... prctl resumed>) = 0 [pid 7531] mkdir("./bus", 0777 [pid 7526] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7533] setpgid(0, 0 [pid 7531] <... mkdir resumed>) = 0 [pid 7533] <... setpgid resumed>) = 0 [pid 7531] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 168.834190][ T7526] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 168.842788][ T7526] overlayfs: failed to resolve './file0': -2 [ 168.861965][ T7531] loop3: detected capacity change from 0 to 8192 [pid 7533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7534] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7533] <... openat resumed>) = 3 [pid 7534] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] write(3, "1000", 4 [pid 7534] <... futex resumed>) = 1 [pid 7533] <... write resumed>) = 4 [pid 7534] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7533] close(3) = 0 [pid 7533] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7533] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7533] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7533] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7536], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7536 [pid 7533] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7533] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7523] <... futex resumed>) = 0 [pid 7523] exit_group(0 [pid 7534] <... futex resumed>) = ? [pid 7526] <... futex resumed>) = ? [pid 7523] <... exit_group resumed>) = ? [pid 7534] +++ exited with 0 +++ [pid 7526] +++ exited with 0 +++ [pid 7523] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7523, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- ./strace-static-x86_64: Process 7536 attached [pid 7536] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 4997] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./125/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7536] memfd_create("syzkaller", 0) = 3 [pid 7536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 168.873154][ T7534] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 168.881333][ T7531] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7536] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7536] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7536] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7536] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... umount2 resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 7536] <... ioctl resumed>) = 0 [pid 7536] close(3) = 0 [pid 7536] mkdir("./bus", 0777) = 0 [pid 7536] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5001] umount2("./125/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./125/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./125/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./125/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./125/bus") = 0 [pid 5001] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] umount2("./125/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] unlink("./125/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./125") = 0 [pid 5001] mkdir("./126", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7538 [pid 4997] lstat("./125/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7538 attached [ 168.967787][ T7536] loop1: detected capacity change from 0 to 8192 [ 168.972257][ T7531] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 168.985561][ T7531] REISERFS (device loop3): using ordered data mode [ 168.993558][ T7531] reiserfs: using flush barriers [ 168.999865][ T7536] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 4997] umount2("./125/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7538] set_robust_list(0x5555564f86e0, 24 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7538] <... set_robust_list resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./125/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7538] chdir("./126" [pid 4997] <... openat resumed>) = 4 [pid 7538] <... chdir resumed>) = 0 [pid 7538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7538] setpgid(0, 0 [pid 4997] fstat(4, [pid 7538] <... setpgid resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 169.004853][ T7531] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 169.014396][ T7536] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 169.029972][ T7531] REISERFS (device loop3): checking transaction log (loop3) [ 169.039887][ T7536] REISERFS (device loop1): using ordered data mode [ 169.046499][ T7531] REISERFS (device loop3): Using r5 hash to sort names [ 169.053709][ T7536] reiserfs: using flush barriers [pid 7538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] getdents64(4, [pid 7538] <... openat resumed>) = 3 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7538] write(3, "1000", 4 [pid 4997] getdents64(4, [pid 7538] <... write resumed>) = 4 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7538] close(3 [pid 4997] close(4 [pid 7538] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 7538] symlink("/dev/binderfs", "./binderfs" [pid 4997] rmdir("./125/bus" [pid 7538] <... symlink resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 7538] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7538] <... futex resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] lstat("./125/binderfs", [pid 7538] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7538] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4997] unlink("./125/binderfs" [pid 7538] <... mprotect resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 7538] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] getdents64(3, [pid 7538] <... clone resumed>, parent_tid=[7539], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7539 [pid 7538] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7538] <... futex resumed>) = 0 [pid 4997] close(3 [pid 7538] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./125") = 0 [pid 4997] mkdir("./126", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7540 ./strace-static-x86_64: Process 7540 attached ./strace-static-x86_64: Process 7539 attached [pid 7531] <... mount resumed>) = 0 [pid 7539] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7539] memfd_create("syzkaller", 0) = 3 [pid 7539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 169.060068][ T7531] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 169.078010][ T7531] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 169.082594][ T7536] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 169.104203][ T7536] REISERFS (device loop1): checking transaction log (loop1) [pid 7531] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7531] chdir("./bus") = 0 [pid 7531] ioctl(4, LOOP_CLR_FD) = 0 [pid 7531] close(4 [pid 7540] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7540] chdir("./126" [pid 7531] <... close resumed>) = 0 [pid 7540] <... chdir resumed>) = 0 [pid 7531] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7531] <... futex resumed>) = 1 [pid 7530] <... futex resumed>) = 0 [pid 7540] setpgid(0, 0 [pid 7531] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7530] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] <... setpgid resumed>) = 0 [pid 7531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7530] <... futex resumed>) = 0 [pid 7540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7531] mkdir("./file1", 000 [pid 7530] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7536] <... mount resumed>) = 0 [pid 7531] <... mkdir resumed>) = 0 [pid 7540] <... openat resumed>) = 3 [pid 7531] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] write(3, "1000", 4) = 4 [pid 7539] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7531] <... futex resumed>) = 1 [pid 7530] <... futex resumed>) = 0 [pid 7536] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7540] close(3 [pid 7531] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7530] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7540] <... close resumed>) = 0 [pid 7531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7530] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7540] symlink("/dev/binderfs", "./binderfs" [pid 7531] mkdir("./bus", 000 [pid 7540] <... symlink resumed>) = 0 [pid 7531] <... mkdir resumed>) = 0 [pid 7540] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7531] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7531] <... futex resumed>) = 1 [pid 7530] <... futex resumed>) = 0 [pid 7540] <... mmap resumed>) = 0x7f6a589d5000 [pid 7531] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7530] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7536] <... openat resumed>) = 3 [pid 7530] <... futex resumed>) = 0 [pid 7540] <... mprotect resumed>) = 0 [ 169.112927][ T7536] REISERFS (device loop1): Using r5 hash to sort names [ 169.120402][ T7536] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 169.136293][ T7536] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 169.159858][ T7531] overlayfs: upper fs needs to support d_type. [pid 7530] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7540] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7536] chdir("./bus") = 0 [pid 7540] <... clone resumed>, parent_tid=[7541], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7541 [pid 7540] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7536] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 7541 attached [pid 7540] <... futex resumed>) = 0 [pid 7536] <... ioctl resumed>) = 0 [pid 7541] set_robust_list(0x7f6a589f59e0, 24 [pid 7540] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7536] close(4 [pid 7541] <... set_robust_list resumed>) = 0 [pid 7536] <... close resumed>) = 0 [pid 7536] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] memfd_create("syzkaller", 0 [pid 7536] <... futex resumed>) = 1 [pid 7533] <... futex resumed>) = 0 [pid 7541] <... memfd_create resumed>) = 3 [pid 7536] mkdir("./file1", 000 [pid 7533] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7536] <... mkdir resumed>) = 0 [pid 7533] <... futex resumed>) = 0 [pid 7541] <... mmap resumed>) = 0x7f6a505d5000 [pid 7536] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7536] <... futex resumed>) = 0 [pid 7533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7536] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7533] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7536] mkdir("./bus", 000 [pid 7533] <... futex resumed>) = 0 [pid 7536] <... mkdir resumed>) = 0 [pid 7533] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7536] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7536] <... futex resumed>) = 0 [pid 7533] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7536] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7533] <... futex resumed>) = 0 [ 169.166095][ T7531] overlayfs: upper fs does not support tmpfile. [pid 7533] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7539] <... write resumed>) = 4194304 [pid 7539] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7539] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7539] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7539] close(3) = 0 [pid 7539] mkdir("./bus", 0777) = 0 [pid 7539] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7530] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7530] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7530] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7530] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7543], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7543 [pid 7530] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7530] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7543 attached [ 169.189487][ T7536] overlayfs: upper fs needs to support d_type. [ 169.195684][ T7536] overlayfs: upper fs does not support tmpfile. [ 169.196908][ T7539] loop4: detected capacity change from 0 to 8192 [ 169.213361][ T7531] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 169.226758][ T7539] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7543] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7543] mkdir(".", 0777 [pid 7541] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7543] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7533] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7543] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7533] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7533] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7533] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7544], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7544 [pid 7533] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7533] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7544 attached [pid 7544] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7544] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7544] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7541] <... write resumed>) = 4194304 [pid 7541] munmap(0x7f6a505d5000, 4194304) = 0 [ 169.230917][ T7531] overlayfs: failed to resolve './file0': -2 [ 169.246813][ T7536] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 169.254031][ T7539] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 169.268554][ T7543] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7541] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7541] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7541] close(3) = 0 [pid 7541] mkdir("./bus", 0777) = 0 [pid 7541] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7543] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7543] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7543] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7530] <... futex resumed>) = 0 [pid 7531] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7544] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7544] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7544] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7531] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 169.289115][ T7544] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 169.292222][ T7541] loop0: detected capacity change from 0 to 8192 [ 169.310620][ T7539] REISERFS (device loop4): using ordered data mode [ 169.318147][ T7539] reiserfs: using flush barriers [ 169.322160][ T7541] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7531] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7533] <... futex resumed>) = 0 [pid 7530] exit_group(0 [pid 7543] <... futex resumed>) = ? [pid 7531] <... futex resumed>) = ? [pid 7530] <... exit_group resumed>) = ? [pid 7531] +++ exited with 0 +++ [pid 7543] +++ exited with 0 +++ [pid 7530] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7530, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./127/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7536] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 169.323201][ T7536] overlayfs: failed to resolve './file0': -2 [ 169.346287][ T7541] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 169.353103][ T7539] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 169.355895][ T7541] REISERFS (device loop0): using ordered data mode [ 169.379518][ T7541] reiserfs: using flush barriers [pid 7536] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] exit_group(0 [pid 7544] <... futex resumed>) = ? [pid 7533] <... exit_group resumed>) = ? [pid 7544] +++ exited with 0 +++ [pid 7536] <... futex resumed>) = ? [pid 7536] +++ exited with 0 +++ [pid 7533] +++ exited with 0 +++ [ 169.386328][ T7541] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 169.388698][ T7539] REISERFS (device loop4): checking transaction log (loop4) [ 169.404732][ T7541] REISERFS (device loop0): checking transaction log (loop0) [ 169.418947][ T7541] REISERFS (device loop0): Using r5 hash to sort names [pid 5000] <... umount2 resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7533, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 4998] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./127/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./127/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7541] <... mount resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./127/bus", [pid 7541] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7541] <... openat resumed>) = 3 [pid 5000] umount2("./127/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7541] chdir("./bus" [pid 5000] openat(AT_FDCWD, "./127/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7541] <... chdir resumed>) = 0 [pid 7539] <... mount resumed>) = 0 [pid 5000] <... openat resumed>) = 4 [pid 7541] ioctl(4, LOOP_CLR_FD [pid 7539] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5000] fstat(4, [pid 7541] <... ioctl resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7541] close(4 [pid 5000] getdents64(4, [pid 7541] <... close resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7541] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7540] <... futex resumed>) = 0 [pid 7541] mkdir("./file1", 000 [pid 7540] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] <... mkdir resumed>) = 0 [pid 7540] <... futex resumed>) = 0 [pid 7541] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7541] <... futex resumed>) = 0 [pid 7540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7541] mkdir("./bus", 000 [pid 7540] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] <... mkdir resumed>) = 0 [pid 7540] <... futex resumed>) = 0 [pid 7541] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [ 169.433163][ T7541] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 169.445175][ T7539] REISERFS (device loop4): Using r5 hash to sort names [ 169.446333][ T7541] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 169.463031][ T7539] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 169.476651][ T7539] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7540] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7541] <... futex resumed>) = 0 [pid 7540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7541] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7540] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7539] <... openat resumed>) = 3 [pid 5000] getdents64(4, [pid 7540] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7539] chdir("./bus" [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7539] <... chdir resumed>) = 0 [pid 5000] close(4 [pid 7539] ioctl(4, LOOP_CLR_FD) = 0 [pid 5000] <... close resumed>) = 0 [pid 7539] close(4 [pid 5000] rmdir("./127/bus" [pid 7539] <... close resumed>) = 0 [pid 7539] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 7539] <... futex resumed>) = 1 [pid 7538] <... futex resumed>) = 0 [pid 5000] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7539] mkdir("./file1", 000 [pid 7538] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./127/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7539] <... mkdir resumed>) = 0 [pid 7538] <... futex resumed>) = 0 [pid 7539] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7538] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] lstat("./127/binderfs", [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7539] <... futex resumed>) = 0 [pid 7538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7539] mkdir("./bus", 000 [pid 7538] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] lstat("./127/bus", [pid 7539] <... mkdir resumed>) = 0 [pid 7538] <... futex resumed>) = 0 [pid 7539] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7538] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] unlink("./127/binderfs" [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7539] <... futex resumed>) = 0 [pid 7538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7539] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7538] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... unlink resumed>) = 0 [pid 7538] <... futex resumed>) = 0 [pid 4998] umount2("./127/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7538] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] close(3) = 0 [pid 4998] openat(AT_FDCWD, "./127/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] rmdir("./127") = 0 [pid 5000] mkdir("./128", 0777 [pid 4998] <... openat resumed>) = 4 [pid 5000] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4998] fstat(4, [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] getdents64(4, [pid 5000] close(3 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7546 [ 169.501859][ T7541] overlayfs: upper fs needs to support d_type. [ 169.518986][ T7539] overlayfs: upper fs needs to support d_type. [ 169.525414][ T7539] overlayfs: upper fs does not support tmpfile. [ 169.535748][ T7541] overlayfs: upper fs does not support tmpfile. [ 169.545110][ T7541] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7540] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7540] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7540] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4998] close(4 [pid 7540] <... mprotect resumed>) = 0 [pid 7540] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] <... close resumed>) = 0 [pid 7540] <... clone resumed>, parent_tid=[7547], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7547 [pid 4998] rmdir("./127/bus" [pid 7540] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7540] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... rmdir resumed>) = 0 [pid 7538] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7538] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7538] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7538] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7548], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7548 [pid 4998] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7538] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7538] <... futex resumed>) = 0 [pid 7538] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7546 attached [pid 7546] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7546] chdir("./128"./strace-static-x86_64: Process 7548 attached ) = 0 [pid 4998] lstat("./127/binderfs", ./strace-static-x86_64: Process 7547 attached [pid 7546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7547] set_robust_list(0x7f6a509d49e0, 24 [pid 7546] <... prctl resumed>) = 0 [pid 7547] <... set_robust_list resumed>) = 0 [pid 7546] setpgid(0, 0 [pid 7547] mkdir(".", 0777 [pid 7546] <... setpgid resumed>) = 0 [pid 7547] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7547] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7546] <... openat resumed>) = 3 [pid 7546] write(3, "1000", 4) = 4 [pid 7546] close(3) = 0 [pid 7546] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7548] set_robust_list(0x7f6a509d49e0, 24 [pid 7546] <... symlink resumed>) = 0 [pid 7541] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7539] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4998] unlink("./127/binderfs" [pid 7548] <... set_robust_list resumed>) = 0 [pid 7546] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7539] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] <... futex resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 7548] mkdir(".", 0777 [pid 7546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7541] <... futex resumed>) = 0 [pid 7539] <... futex resumed>) = 0 [pid 4998] getdents64(3, [pid 7548] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7541] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7539] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7548] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7546] <... mmap resumed>) = 0x7f6a589d5000 [pid 4998] close(3) = 0 [ 169.553446][ T7539] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 169.564130][ T7541] overlayfs: failed to resolve './file0': -2 [ 169.571800][ T7539] overlayfs: failed to resolve './file0': -2 [pid 4998] rmdir("./127") = 0 [pid 4998] mkdir("./128", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7549 ./strace-static-x86_64: Process 7549 attached [pid 7549] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7549] chdir("./128") = 0 [pid 7549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7546] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7549] setpgid(0, 0) = 0 [pid 7549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7549] write(3, "1000", 4) = 4 [pid 7549] close(3) = 0 [pid 7549] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7549] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7549] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7549] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7550], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7550 [pid 7549] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7549] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7550 attached [pid 7550] set_robust_list(0x7f6a589f59e0, 24 [pid 7546] <... mprotect resumed>) = 0 [pid 7546] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7550] <... set_robust_list resumed>) = 0 [pid 7546] <... clone resumed>, parent_tid=[7551], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7551 [pid 7546] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7546] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7550] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 7551 attached [pid 7551] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7551] memfd_create("syzkaller", 0 [pid 7550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7548] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7547] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7551] <... memfd_create resumed>) = 3 [pid 7551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7550] <... mmap resumed>) = 0x7f6a505d5000 [pid 7548] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7548] <... futex resumed>) = 1 [pid 7548] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7538] <... futex resumed>) = 0 [pid 7538] exit_group(0 [pid 7539] <... futex resumed>) = ? [pid 7538] <... exit_group resumed>) = ? [pid 7548] <... futex resumed>) = ? [pid 7539] +++ exited with 0 +++ [pid 7548] +++ exited with 0 +++ [pid 7538] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7538, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7547] <... futex resumed>) = 1 [pid 7540] <... futex resumed>) = 0 [pid 5001] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7540] exit_group(0 [pid 7541] <... futex resumed>) = ? [pid 7540] <... exit_group resumed>) = ? [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7541] +++ exited with 0 +++ [pid 5001] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./126/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7547] +++ exited with 0 +++ [pid 7540] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7540, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 169.593925][ T7548] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 169.612320][ T7547] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] umount2("./126/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7551] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./126/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./126/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./126/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./126/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./126/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./126/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./126/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./126/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./126/bus" [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./126/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./126" [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./127", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 4997] close(4 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 4997] <... close resumed>) = 0 [pid 7550] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] rmdir("./126/bus") = 0 [pid 4997] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./126/binderfs") = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7552 [pid 4997] close(3) = 0 [pid 4997] rmdir("./126") = 0 [pid 4997] mkdir("./127", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 7552 attached [pid 7552] set_robust_list(0x5555564f86e0, 24 [pid 4997] <... openat resumed>) = 3 [pid 7552] <... set_robust_list resumed>) = 0 [pid 7551] <... write resumed>) = 4194304 [pid 7552] chdir("./127" [pid 7551] munmap(0x7f6a505d5000, 4194304 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 7552] <... chdir resumed>) = 0 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 7552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7551] <... munmap resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 7552] setpgid(0, 0 [pid 7551] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7552] <... setpgid resumed>) = 0 [pid 7551] <... openat resumed>) = 4 [pid 7552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7551] ioctl(4, LOOP_SET_FD, 3 [pid 7552] <... openat resumed>) = 3 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7553 ./strace-static-x86_64: Process 7553 attached [pid 7553] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7553] chdir("./127") = 0 [pid 7552] write(3, "1000", 4 [pid 7551] <... ioctl resumed>) = 0 [pid 7550] <... write resumed>) = 4194304 [pid 7552] <... write resumed>) = 4 [pid 7553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7551] close(3 [pid 7550] munmap(0x7f6a505d5000, 4194304 [pid 7553] <... prctl resumed>) = 0 [pid 7552] close(3 [pid 7551] <... close resumed>) = 0 [pid 7552] <... close resumed>) = 0 [pid 7553] setpgid(0, 0 [pid 7552] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7553] <... setpgid resumed>) = 0 [pid 7551] mkdir("./bus", 0777 [pid 7552] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7552] <... futex resumed>) = 0 [pid 7552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7553] <... openat resumed>) = 3 [pid 7552] <... mmap resumed>) = 0x7f6a589d5000 [pid 7553] write(3, "1000", 4 [pid 7552] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7553] <... write resumed>) = 4 [pid 7553] close(3 [pid 7552] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7553] <... close resumed>) = 0 [pid 7553] symlink("/dev/binderfs", "./binderfs" [pid 7552] <... clone resumed>, parent_tid=[7554], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7554 [pid 7552] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] <... symlink resumed>) = 0 [pid 7552] <... futex resumed>) = 0 [pid 7550] <... munmap resumed>) = 0 [pid 7550] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7554 attached [pid 7553] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7552] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7551] <... mkdir resumed>) = 0 [pid 7553] <... futex resumed>) = 0 [pid 7550] <... openat resumed>) = 4 [pid 7554] set_robust_list(0x7f6a589f59e0, 24 [pid 7553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7551] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7550] ioctl(4, LOOP_SET_FD, 3 [pid 7553] <... mmap resumed>) = 0x7f6a589d5000 [pid 7553] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7553] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7555], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7555 [pid 7553] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7553] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7554] <... set_robust_list resumed>) = 0 [pid 7554] memfd_create("syzkaller", 0) = 3 [pid 7554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7555 attached [pid 7550] <... ioctl resumed>) = 0 [pid 7555] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7550] close(3 [pid 7555] memfd_create("syzkaller", 0 [pid 7550] <... close resumed>) = 0 [pid 7555] <... memfd_create resumed>) = 3 [pid 7555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 169.764199][ T7551] loop3: detected capacity change from 0 to 8192 [ 169.785835][ T7550] loop1: detected capacity change from 0 to 8192 [ 169.794087][ T7551] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7550] mkdir("./bus", 0777) = 0 [pid 7550] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7555] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 169.807591][ T7551] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 169.817309][ T7551] REISERFS (device loop3): using ordered data mode [ 169.823998][ T7551] reiserfs: using flush barriers [ 169.830284][ T7550] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 169.837567][ T7551] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7554] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7555] <... write resumed>) = 4194304 [pid 7554] <... write resumed>) = 4194304 [pid 7555] munmap(0x7f6a505d5000, 4194304 [pid 7554] munmap(0x7f6a505d5000, 4194304 [pid 7555] <... munmap resumed>) = 0 [pid 7554] <... munmap resumed>) = 0 [pid 7554] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7555] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7555] ioctl(4, LOOP_SET_FD, 3 [ 169.844271][ T7550] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 169.870198][ T7550] REISERFS (device loop1): using ordered data mode [ 169.877540][ T7550] reiserfs: using flush barriers [ 169.884137][ T7550] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 169.899799][ T7551] REISERFS (device loop3): checking transaction log (loop3) [ 169.901468][ T7550] REISERFS (device loop1): checking transaction log (loop1) [pid 7554] ioctl(4, LOOP_SET_FD, 3 [pid 7555] <... ioctl resumed>) = 0 [pid 7555] close(3) = 0 [pid 7555] mkdir("./bus", 0777) = 0 [pid 7555] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7554] <... ioctl resumed>) = 0 [pid 7554] close(3) = 0 [pid 7554] mkdir("./bus", 0777) = 0 [ 169.914569][ T7555] loop0: detected capacity change from 0 to 8192 [ 169.915856][ T7551] REISERFS (device loop3): Using r5 hash to sort names [ 169.921461][ T7554] loop4: detected capacity change from 0 to 8192 [ 169.928693][ T7550] REISERFS (device loop1): Using r5 hash to sort names [ 169.942151][ T7551] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7554] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7551] <... mount resumed>) = 0 [pid 7550] <... mount resumed>) = 0 [pid 7550] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7550] chdir("./bus") = 0 [pid 7550] ioctl(4, LOOP_CLR_FD) = 0 [pid 7550] close(4) = 0 [pid 7550] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] <... futex resumed>) = 0 [pid 7549] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7549] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7550] <... futex resumed>) = 1 [pid 7550] mkdir("./file1", 000) = 0 [ 169.944821][ T7550] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 169.955071][ T7551] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 169.969998][ T7550] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 169.985699][ T7554] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 169.999636][ T7555] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7551] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7550] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... openat resumed>) = 3 [pid 7551] chdir("./bus") = 0 [pid 7551] ioctl(4, LOOP_CLR_FD) = 0 [pid 7549] <... futex resumed>) = 0 [pid 7551] close(4 [pid 7549] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7549] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7551] <... close resumed>) = 0 [pid 7551] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7551] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7546] <... futex resumed>) = 0 [pid 7546] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... futex resumed>) = 0 [pid 7546] <... futex resumed>) = 1 [pid 7551] mkdir("./file1", 000 [pid 7546] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7551] <... mkdir resumed>) = 0 [pid 7551] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7546] <... futex resumed>) = 0 [pid 7551] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7546] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7546] <... futex resumed>) = 0 [pid 7551] mkdir("./bus", 000 [pid 7546] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7551] <... mkdir resumed>) = 0 [pid 7551] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7546] <... futex resumed>) = 0 [pid 7551] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7546] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7546] <... futex resumed>) = 0 [pid 7551] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 170.012589][ T7554] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 170.012664][ T7554] REISERFS (device loop4): using ordered data mode [ 170.012677][ T7554] reiserfs: using flush barriers [ 170.036210][ T7554] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 170.040627][ T7551] overlayfs: upper fs needs to support d_type. [pid 7546] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7550] <... futex resumed>) = 1 [pid 7550] mkdir("./bus", 000) = 0 [pid 7550] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] <... futex resumed>) = 0 [pid 7549] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7549] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7550] <... futex resumed>) = 1 [ 170.053327][ T7554] REISERFS (device loop4): checking transaction log (loop4) [ 170.066935][ T7555] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 170.070304][ T7550] overlayfs: upper fs needs to support d_type. [ 170.076940][ T7555] REISERFS (device loop0): using ordered data mode [ 170.089154][ T7554] REISERFS (device loop4): Using r5 hash to sort names [ 170.096577][ T7550] overlayfs: upper fs does not support tmpfile. [ 170.096615][ T7554] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7550] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7546] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7549] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7546] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] <... futex resumed>) = 0 [pid 7549] <... futex resumed>) = 0 [pid 7546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7546] <... mmap resumed>) = 0x7f6a509b4000 [pid 7549] <... mmap resumed>) = 0x7f6a509b4000 [pid 7546] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7549] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7546] <... mprotect resumed>) = 0 [pid 7549] <... mprotect resumed>) = 0 [pid 7546] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7549] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7546] <... clone resumed>, parent_tid=[7560], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7560 [pid 7549] <... clone resumed>, parent_tid=[7561], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7561 [pid 7546] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7561 attached [pid 7549] <... futex resumed>) = 0 [pid 7546] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7561] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7561] mkdir(".", 0777 [pid 7549] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7561] <... mkdir resumed>) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 7560 attached [pid 7560] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7560] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7560] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7561] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7554] <... mount resumed>) = 0 [pid 7554] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 170.103343][ T7551] overlayfs: upper fs does not support tmpfile. [ 170.115744][ T7555] reiserfs: using flush barriers [ 170.129006][ T7554] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 170.136169][ T7550] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 170.138532][ T7555] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7554] chdir("./bus") = 0 [pid 7554] ioctl(4, LOOP_CLR_FD) = 0 [pid 7554] close(4 [pid 7561] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7554] <... close resumed>) = 0 [pid 7561] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 170.163673][ T7560] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 170.165669][ T7561] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 170.194003][ T7555] REISERFS (device loop0): checking transaction log (loop0) [ 170.202866][ T7551] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 170.208757][ T7550] overlayfs: failed to resolve './file0': -2 [pid 7554] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] <... futex resumed>) = 1 [pid 7560] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] <... futex resumed>) = 0 [pid 7554] <... futex resumed>) = 1 [pid 7561] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7560] <... futex resumed>) = 1 [pid 7554] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7552] <... futex resumed>) = 0 [pid 7546] <... futex resumed>) = 0 [pid 7552] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7552] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7560] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7554] mkdir("./file1", 000 [pid 7550] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7550] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7550] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7549] exit_group(0) = ? [pid 7550] <... futex resumed>) = ? [pid 7550] +++ exited with 0 +++ [pid 7554] <... mkdir resumed>) = 0 [pid 7561] <... futex resumed>) = ? [pid 7554] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] +++ exited with 0 +++ [pid 7549] +++ exited with 0 +++ [pid 7554] <... futex resumed>) = 1 [pid 7552] <... futex resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7549, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7552] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7552] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7554] mkdir("./bus", 000) = 0 [pid 7554] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7552] <... futex resumed>) = 0 [pid 7554] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7552] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 170.211255][ T7551] overlayfs: failed to resolve './file0': -2 [ 170.222596][ T7555] REISERFS (device loop0): Using r5 hash to sort names [ 170.230235][ T7555] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 170.256123][ T7555] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7552] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7555] <... mount resumed>) = 0 [pid 7555] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7555] chdir("./bus" [pid 7551] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7551] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7551] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7555] <... chdir resumed>) = 0 [pid 7555] ioctl(4, LOOP_CLR_FD) = 0 [pid 7555] close(4) = 0 [pid 7555] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7546] exit_group(0 [pid 7560] <... futex resumed>) = ? [pid 7551] <... futex resumed>) = ? [pid 7546] <... exit_group resumed>) = ? [pid 7560] +++ exited with 0 +++ [pid 7551] +++ exited with 0 +++ [pid 7546] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7546, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5000] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7553] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7555] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] <... futex resumed>) = 0 [pid 7553] <... futex resumed>) = 1 [pid 7555] mkdir("./file1", 000 [pid 7553] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7555] <... mkdir resumed>) = 0 [pid 7555] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7555] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] <... futex resumed>) = 0 [pid 7553] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7555] <... futex resumed>) = 0 [pid 7553] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7555] mkdir("./bus", 000) = 0 [pid 7555] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7553] <... futex resumed>) = 0 [pid 7555] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7553] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 170.262505][ T7554] overlayfs: upper fs needs to support d_type. [ 170.274031][ T7554] overlayfs: upper fs does not support tmpfile. [ 170.283144][ T7554] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 170.293850][ T7555] overlayfs: upper fs needs to support d_type. [ 170.301209][ T7555] overlayfs: upper fs does not support tmpfile. [ 170.309365][ T7554] overlayfs: failed to resolve './file0': -2 [pid 7553] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7552] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7552] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7552] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7552] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7562], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7562 [pid 7552] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7552] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7562 attached [pid 7562] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7562] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7562] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5000] <... umount2 resumed>) = 0 [pid 7553] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7553] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7553] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7553] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7563], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7563 [pid 7553] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7553] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7563 attached [pid 7563] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7563] mkdir(".", 0777) = -1 EEXIST (File exists) [ 170.318062][ T7555] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 170.332192][ T7562] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 170.350614][ T7555] overlayfs: failed to resolve './file0': -2 [pid 7563] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7562] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./128/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./128/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./128/bus") = 0 [pid 5000] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7562] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7552] <... futex resumed>) = 0 [pid 7562] <... futex resumed>) = 1 [pid 5000] unlink("./128/binderfs" [pid 7562] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7554] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7554] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7563] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7555] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7554] <... futex resumed>) = 0 [pid 7563] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7563] <... futex resumed>) = 1 [pid 7555] <... futex resumed>) = 0 [pid 7553] <... futex resumed>) = 0 [pid 7555] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] exit_group(0 [pid 7552] exit_group(0 [pid 7563] ???( [pid 7555] <... futex resumed>) = ? [pid 7554] <... futex resumed>) = ? [pid 7553] <... exit_group resumed>) = ? [pid 7552] <... exit_group resumed>) = ? [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7563] <... ??? resumed>) = ? [pid 7555] +++ exited with 0 +++ [pid 7554] +++ exited with 0 +++ [pid 7562] <... futex resumed>) = ? [pid 4998] lstat("./128/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... unlink resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7563] +++ exited with 0 +++ [pid 7553] +++ exited with 0 +++ [pid 5000] getdents64(3, [pid 4998] openat(AT_FDCWD, "./128/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7553, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 4998] <... openat resumed>) = 4 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] fstat(4, [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5000] close(3 [pid 4997] <... restart_syscall resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] rmdir("./128" [pid 4998] getdents64(4, [pid 4997] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7562] +++ exited with 0 +++ [pid 7552] +++ exited with 0 +++ [pid 4997] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7552, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 4997] <... openat resumed>) = 3 [pid 4997] fstat(3, [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] mkdir("./129", 0777 [pid 4998] getdents64(4, [pid 4997] getdents64(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] umount2("./127/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... openat resumed>) = 3 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] close(4 [pid 5001] fstat(3, [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4998] <... close resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4998] rmdir("./128/bus" [pid 5001] getdents64(3, [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4998] <... rmdir resumed>) = 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./127/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] close(3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... close resumed>) = 0 [pid 4998] lstat("./128/binderfs", [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./128/binderfs" [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7564 [pid 4998] <... unlink resumed>) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./128") = 0 [pid 4998] mkdir("./129", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7564 attached , child_tidptr=0x5555564f86d0) = 7565 ./strace-static-x86_64: Process 7565 attached [pid 7564] set_robust_list(0x5555564f86e0, 24 [pid 7565] set_robust_list(0x5555564f86e0, 24 [pid 7564] <... set_robust_list resumed>) = 0 [pid 7565] <... set_robust_list resumed>) = 0 [ 170.368738][ T7563] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7565] chdir("./129" [pid 7564] chdir("./129" [pid 7565] <... chdir resumed>) = 0 [pid 7564] <... chdir resumed>) = 0 [pid 7565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7565] <... prctl resumed>) = 0 [pid 7564] <... prctl resumed>) = 0 [pid 7565] setpgid(0, 0 [pid 7564] setpgid(0, 0 [pid 7565] <... setpgid resumed>) = 0 [pid 7564] <... setpgid resumed>) = 0 [pid 7565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7565] <... openat resumed>) = 3 [pid 7565] write(3, "1000", 4 [pid 7564] <... openat resumed>) = 3 [pid 7565] <... write resumed>) = 4 [pid 7564] write(3, "1000", 4 [pid 7565] close(3 [pid 7564] <... write resumed>) = 4 [pid 7565] <... close resumed>) = 0 [pid 7564] close(3 [pid 7565] symlink("/dev/binderfs", "./binderfs" [pid 7564] <... close resumed>) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 7565] <... symlink resumed>) = 0 [pid 7564] symlink("/dev/binderfs", "./binderfs" [pid 5001] umount2("./127/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7565] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7564] <... symlink resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7565] <... futex resumed>) = 0 [pid 7564] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] lstat("./127/bus", [pid 7565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7564] <... futex resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7565] <... mmap resumed>) = 0x7f6a589d5000 [pid 7564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7565] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7564] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] umount2("./127/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7565] <... mprotect resumed>) = 0 [pid 7564] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7565] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7564] <... mprotect resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./127/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7564] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... openat resumed>) = 4 [pid 4997] <... umount2 resumed>) = 0 [pid 7565] <... clone resumed>, parent_tid=[7566], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7566 [pid 5001] fstat(4, [pid 7565] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7564] <... clone resumed>, parent_tid=[7567], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7567 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./127/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7565] <... futex resumed>) = 0 [pid 7564] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] getdents64(4, [pid 7565] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7564] <... futex resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7564] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] lstat("./127/bus", [pid 5001] close(4) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] rmdir("./127/bus") = 0 [pid 4997] umount2("./127/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] openat(AT_FDCWD, "./127/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] unlink("./127/binderfs") = 0 [pid 4997] <... openat resumed>) = 4 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] fstat(4, [pid 5001] close(3 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... close resumed>) = 0 [pid 4997] getdents64(4, [pid 5001] rmdir("./127" [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] getdents64(4, [pid 5001] mkdir("./128", 0777 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4997] close(4 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4997] <... close resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4997] rmdir("./127/bus" [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4997] <... rmdir resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 4997] lstat("./127/binderfs", [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./127/binderfs" [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7568 [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./127") = 0 [pid 4997] mkdir("./128", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7566 attached , child_tidptr=0x5555564f86d0) = 7569 [pid 7566] set_robust_list(0x7f6a589f59e0, 24) = 0 ./strace-static-x86_64: Process 7568 attached [pid 7568] set_robust_list(0x5555564f86e0, 24 [pid 7566] memfd_create("syzkaller", 0 [pid 7568] <... set_robust_list resumed>) = 0 [pid 7566] <... memfd_create resumed>) = 3 [pid 7566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7568] chdir("./128") = 0 [pid 7566] <... mmap resumed>) = 0x7f6a505d5000 [pid 7568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7568] setpgid(0, 0) = 0 [pid 7568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7569 attached [pid 7569] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7569] chdir("./128" [pid 7568] <... openat resumed>) = 3 [pid 7569] <... chdir resumed>) = 0 [pid 7568] write(3, "1000", 4 [pid 7569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7568] <... write resumed>) = 4 [pid 7569] <... prctl resumed>) = 0 [pid 7568] close(3 [pid 7569] setpgid(0, 0 [pid 7568] <... close resumed>) = 0 ./strace-static-x86_64: Process 7567 attached [pid 7569] <... setpgid resumed>) = 0 [pid 7568] symlink("/dev/binderfs", "./binderfs" [pid 7569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7568] <... symlink resumed>) = 0 [pid 7567] set_robust_list(0x7f6a589f59e0, 24 [pid 7569] <... openat resumed>) = 3 [pid 7568] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] <... set_robust_list resumed>) = 0 [pid 7569] write(3, "1000", 4 [pid 7568] <... futex resumed>) = 0 [pid 7569] <... write resumed>) = 4 [pid 7568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7567] memfd_create("syzkaller", 0 [pid 7569] close(3 [pid 7568] <... mmap resumed>) = 0x7f6a589d5000 [pid 7567] <... memfd_create resumed>) = 3 [pid 7569] <... close resumed>) = 0 [pid 7568] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7569] symlink("/dev/binderfs", "./binderfs" [pid 7568] <... mprotect resumed>) = 0 [pid 7567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7569] <... symlink resumed>) = 0 [pid 7568] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7569] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] <... mmap resumed>) = 0x7f6a505d5000 [pid 7569] <... futex resumed>) = 0 [pid 7568] <... clone resumed>, parent_tid=[7570], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7570 [pid 7569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7568] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7569] <... mmap resumed>) = 0x7f6a589d5000 [pid 7568] <... futex resumed>) = 0 [pid 7569] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7568] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7569] <... mprotect resumed>) = 0 [pid 7569] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7571], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7571 [pid 7569] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7569] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7571 attached [pid 7571] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7571] memfd_create("syzkaller", 0) = 3 [pid 7571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7570 attached [pid 7570] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7570] memfd_create("syzkaller", 0) = 3 [pid 7570] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7571] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7566] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7567] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7571] <... write resumed>) = 4194304 [pid 7571] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7571] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7571] ioctl(4, LOOP_SET_FD, 3 [pid 7570] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7571] <... ioctl resumed>) = 0 [pid 7571] close(3) = 0 [pid 7571] mkdir("./bus", 0777) = 0 [pid 7571] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7566] <... write resumed>) = 4194304 [pid 7566] munmap(0x7f6a505d5000, 4194304 [pid 7567] <... write resumed>) = 4194304 [pid 7566] <... munmap resumed>) = 0 [pid 7566] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 170.570266][ T7571] loop0: detected capacity change from 0 to 8192 [ 170.588081][ T7571] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 170.614355][ T7566] loop1: detected capacity change from 0 to 8192 [pid 7566] ioctl(4, LOOP_SET_FD, 3 [pid 7570] <... write resumed>) = 4194304 [pid 7567] munmap(0x7f6a505d5000, 4194304 [pid 7566] <... ioctl resumed>) = 0 [pid 7566] close(3) = 0 [pid 7566] mkdir("./bus", 0777) = 0 [pid 7566] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7570] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7570] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7570] ioctl(4, LOOP_SET_FD, 3 [pid 7567] <... munmap resumed>) = 0 [pid 7570] <... ioctl resumed>) = 0 [pid 7570] close(3) = 0 [pid 7570] mkdir("./bus", 0777 [pid 7567] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7570] <... mkdir resumed>) = 0 [ 170.619458][ T7571] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 170.628000][ T7570] loop4: detected capacity change from 0 to 8192 [ 170.631853][ T7571] REISERFS (device loop0): using ordered data mode [ 170.636887][ T7566] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 170.642936][ T7571] reiserfs: using flush barriers [pid 7570] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7567] ioctl(4, LOOP_SET_FD, 3) = 0 [ 170.662062][ T7566] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 170.663841][ T7571] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 170.671535][ T7566] REISERFS (device loop1): using ordered data mode [ 170.689269][ T7570] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 170.694163][ T7567] loop3: detected capacity change from 0 to 8192 [ 170.708003][ T7566] reiserfs: using flush barriers [pid 7567] close(3) = 0 [ 170.713488][ T7571] REISERFS (device loop0): checking transaction log (loop0) [ 170.720440][ T7566] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 170.725665][ T7570] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 170.743408][ T7566] REISERFS (device loop1): checking transaction log (loop1) [ 170.750929][ T7570] REISERFS (device loop4): using ordered data mode [ 170.760237][ T7566] REISERFS (device loop1): Using r5 hash to sort names [pid 7567] mkdir("./bus", 0777) = 0 [ 170.764670][ T7570] reiserfs: using flush barriers [ 170.776928][ T7571] REISERFS (device loop0): Using r5 hash to sort names [ 170.785042][ T7571] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 170.798288][ T7570] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7567] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7566] <... mount resumed>) = 0 [pid 7566] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7566] chdir("./bus") = 0 [pid 7566] ioctl(4, LOOP_CLR_FD) = 0 [pid 7566] close(4) = 0 [pid 7566] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7565] <... futex resumed>) = 0 [pid 7565] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7565] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7566] <... futex resumed>) = 1 [pid 7566] mkdir("./file1", 000) = 0 [pid 7566] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7565] <... futex resumed>) = 0 [pid 7565] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 170.799193][ T7566] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 170.814789][ T7571] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 170.827996][ T7566] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 170.836478][ T7567] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 170.858602][ T7570] REISERFS (device loop4): checking transaction log (loop4) [pid 7571] <... mount resumed>) = 0 [pid 7565] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7566] <... futex resumed>) = 1 [pid 7566] mkdir("./bus", 000) = 0 [pid 7571] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7566] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7566] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7565] <... futex resumed>) = 0 [pid 7565] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] <... futex resumed>) = 0 [pid 7565] <... futex resumed>) = 1 [pid 7565] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7566] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7571] <... openat resumed>) = 3 [ 170.867013][ T7570] REISERFS (device loop4): Using r5 hash to sort names [ 170.878178][ T7570] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 170.878297][ T7566] overlayfs: upper fs needs to support d_type. [ 170.891121][ T7570] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 170.900128][ T7566] overlayfs: upper fs does not support tmpfile. [ 170.906838][ T7567] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7571] chdir("./bus") = 0 [pid 7570] <... mount resumed>) = 0 [pid 7571] ioctl(4, LOOP_CLR_FD) = 0 [pid 7571] close(4) = 0 [pid 7571] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7571] <... futex resumed>) = 1 [pid 7570] <... openat resumed>) = 3 [pid 7569] <... futex resumed>) = 0 [pid 7571] mkdir("./file1", 000 [pid 7570] chdir("./bus" [pid 7569] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] <... mkdir resumed>) = 0 [pid 7570] <... chdir resumed>) = 0 [pid 7569] <... futex resumed>) = 0 [pid 7571] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] ioctl(4, LOOP_CLR_FD [pid 7569] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7571] <... futex resumed>) = 0 [pid 7570] <... ioctl resumed>) = 0 [pid 7569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7571] mkdir("./bus", 000 [pid 7570] close(4 [pid 7569] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] <... mkdir resumed>) = 0 [pid 7570] <... close resumed>) = 0 [pid 7569] <... futex resumed>) = 0 [pid 7571] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7569] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7571] <... futex resumed>) = 0 [pid 7570] <... futex resumed>) = 1 [pid 7569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7568] <... futex resumed>) = 0 [pid 7571] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7570] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7569] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7568] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7569] <... futex resumed>) = 0 [pid 7568] <... futex resumed>) = 0 [pid 7570] mkdir("./file1", 000 [pid 7569] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7568] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7570] <... mkdir resumed>) = 0 [pid 7570] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7568] <... futex resumed>) = 0 [pid 7570] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7568] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7568] <... futex resumed>) = 0 [pid 7570] mkdir("./bus", 000 [pid 7568] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7570] <... mkdir resumed>) = 0 [pid 7570] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7568] <... futex resumed>) = 0 [pid 7570] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7568] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7568] <... futex resumed>) = 0 [pid 7570] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 170.913157][ T7566] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 170.921607][ T7567] REISERFS (device loop3): using ordered data mode [ 170.921622][ T7567] reiserfs: using flush barriers [ 170.922534][ T7567] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 170.956987][ T7571] overlayfs: upper fs needs to support d_type. [ 170.957877][ T7567] REISERFS (device loop3): checking transaction log (loop3) [pid 7568] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7565] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7565] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7565] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7565] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7576], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7576 [pid 7565] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7565] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7569] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7569] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7569] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 7576 attached [pid 7569] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7568] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7568] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] set_robust_list(0x7f6a509d49e0, 24 [pid 7569] <... clone resumed>, parent_tid=[7577], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7577 [pid 7568] <... futex resumed>) = 0 [pid 7576] <... set_robust_list resumed>) = 0 [pid 7569] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7576] mkdir(".", 0777 [pid 7569] <... futex resumed>) = 0 [pid 7568] <... mmap resumed>) = 0x7f6a509b4000 [pid 7576] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7569] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7568] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7576] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7568] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7577 attached [pid 7568] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7577] set_robust_list(0x7f6a509d49e0, 24 [pid 7568] <... clone resumed>, parent_tid=[7578], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7578 [pid 7577] <... set_robust_list resumed>) = 0 [pid 7568] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7577] mkdir(".", 0777 [pid 7568] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7577] <... mkdir resumed>) = -1 EEXIST (File exists) [ 170.963723][ T7570] overlayfs: upper fs needs to support d_type. [ 170.982682][ T7571] overlayfs: upper fs does not support tmpfile. [ 170.987440][ T7567] REISERFS (device loop3): Using r5 hash to sort names [ 171.001987][ T7570] overlayfs: upper fs does not support tmpfile. [pid 7577] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7578 attached [pid 7576] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 171.016696][ T7576] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 171.029009][ T7577] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 171.032160][ T7567] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 171.046988][ T7570] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7578] set_robust_list(0x7f6a509d49e0, 24 [pid 7577] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7576] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] <... mount resumed>) = 0 [pid 7578] <... set_robust_list resumed>) = 0 [pid 7577] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] <... futex resumed>) = 1 [pid 7567] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7578] mkdir(".", 0777 [pid 7577] <... futex resumed>) = 1 [pid 7576] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7565] <... futex resumed>) = 0 [pid 7578] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7577] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7567] <... openat resumed>) = 3 [pid 7578] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7567] chdir("./bus" [pid 7569] <... futex resumed>) = 0 [pid 7567] <... chdir resumed>) = 0 [pid 7567] ioctl(4, LOOP_CLR_FD) = 0 [pid 7578] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7570] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7567] close(4 [pid 7570] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] <... close resumed>) = 0 [pid 7570] <... futex resumed>) = 0 [pid 7567] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7567] <... futex resumed>) = 1 [pid 7564] <... futex resumed>) = 0 [pid 7567] mkdir("./file1", 000 [pid 7564] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] <... mkdir resumed>) = 0 [pid 7564] <... futex resumed>) = 0 [pid 7578] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7564] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7578] <... futex resumed>) = 1 [pid 7567] <... futex resumed>) = 0 [pid 7564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7578] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7567] mkdir("./bus", 000 [pid 7564] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] <... mkdir resumed>) = 0 [pid 7564] <... futex resumed>) = 0 [pid 7567] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7564] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7567] <... futex resumed>) = 0 [pid 7564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7567] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7564] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7564] <... futex resumed>) = 0 [pid 7567] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7564] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7568] <... futex resumed>) = 0 [ 171.060633][ T7567] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 171.068129][ T7566] overlayfs: failed to resolve './file0': -2 [ 171.076445][ T7570] overlayfs: failed to resolve './file0': -2 [ 171.089092][ T7571] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 171.091865][ T7578] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 171.112745][ T7571] overlayfs: failed to resolve './file0': -2 [pid 7568] exit_group(0 [pid 7578] <... futex resumed>) = ? [pid 7570] <... futex resumed>) = ? [pid 7568] <... exit_group resumed>) = ? [pid 7578] +++ exited with 0 +++ [pid 7570] +++ exited with 0 +++ [pid 7568] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7568, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5001] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7571] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7566] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7571] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7569] exit_group(0 [pid 7571] <... futex resumed>) = 0 [pid 7566] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7566] <... futex resumed>) = 0 [pid 7566] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7577] <... futex resumed>) = ? [pid 7571] <... futex resumed>) = ? [pid 7569] <... exit_group resumed>) = ? [pid 7577] +++ exited with 0 +++ [pid 7571] +++ exited with 0 +++ [pid 7569] +++ exited with 0 +++ [pid 7565] exit_group(0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7569, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7576] <... futex resumed>) = ? [pid 7565] <... exit_group resumed>) = ? [pid 7566] <... futex resumed>) = ? [pid 7576] +++ exited with 0 +++ [pid 7566] +++ exited with 0 +++ [pid 7565] +++ exited with 0 +++ [pid 4997] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7565, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] fstat(3, [pid 4998] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4997] getdents64(3, [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7567] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7567] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7567] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7564] <... futex resumed>) = 0 [pid 7567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7564] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] mkdir(".", 0777 [pid 7564] <... futex resumed>) = 0 [pid 7564] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7567] <... mkdir resumed>) = -1 EEXIST (File exists) [ 171.129472][ T7567] overlayfs: upper fs needs to support d_type. [ 171.135819][ T7567] overlayfs: upper fs does not support tmpfile. [ 171.142679][ T7567] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 171.152251][ T7567] overlayfs: failed to resolve './file0': -2 [pid 7567] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] <... umount2 resumed>) = 0 [pid 7567] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./128/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./128/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./128/bus") = 0 [pid 5001] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./128/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./128" [pid 7567] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... rmdir resumed>) = 0 [pid 7567] <... futex resumed>) = 1 [pid 7564] <... futex resumed>) = 0 [pid 5001] mkdir("./129", 0777 [pid 7564] exit_group(0 [pid 5001] <... mkdir resumed>) = 0 [pid 7564] <... exit_group resumed>) = ? [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7579 [pid 7567] +++ exited with 0 +++ [pid 7564] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7564, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5000] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 171.178815][ T7567] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5000] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7579 attached [pid 7579] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7579] chdir("./129") = 0 [pid 7579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7579] setpgid(0, 0) = 0 [pid 7579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7579] write(3, "1000", 4) = 4 [pid 7579] close(3) = 0 [pid 7579] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7579] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7579] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7579] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7580 attached [pid 4998] <... umount2 resumed>) = 0 [pid 7579] <... clone resumed>, parent_tid=[7580], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7580 [pid 7580] set_robust_list(0x7f6a589f59e0, 24 [pid 4998] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7580] <... set_robust_list resumed>) = 0 [pid 7579] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7579] <... futex resumed>) = 0 [pid 7580] memfd_create("syzkaller", 0 [pid 7579] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] lstat("./129/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7580] <... memfd_create resumed>) = 3 [pid 4998] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./129/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7580] <... mmap resumed>) = 0x7f6a505d5000 [pid 4998] <... openat resumed>) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./129/bus") = 0 [pid 4998] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./129/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./129" [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./128/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./128/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] mkdir("./130", 0777 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./128/bus" [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./128/binderfs" [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./128" [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./129", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7581 [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7582 [pid 5000] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7582 attached [pid 5000] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7581 attached [pid 7581] set_robust_list(0x5555564f86e0, 24 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7582] set_robust_list(0x5555564f86e0, 24 [pid 5000] lstat("./129/bus", [pid 7581] <... set_robust_list resumed>) = 0 [pid 7581] chdir("./130") = 0 [pid 7581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7581] setpgid(0, 0) = 0 [pid 7581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7582] <... set_robust_list resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7581] <... openat resumed>) = 3 [pid 7581] write(3, "1000", 4) = 4 [pid 7581] close(3) = 0 [pid 7581] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7582] chdir("./129" [pid 7581] <... symlink resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./129/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7582] <... chdir resumed>) = 0 [pid 7581] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7580] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7581] <... futex resumed>) = 0 [pid 7581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7581] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7581] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7581] <... clone resumed>, parent_tid=[7583], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7583 [pid 5000] getdents64(4, [pid 7582] <... prctl resumed>) = 0 [pid 7581] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7581] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7583 attached [pid 7583] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7582] setpgid(0, 0 [pid 5000] getdents64(4, [pid 7582] <... setpgid resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7583] memfd_create("syzkaller", 0 [pid 7582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] close(4 [pid 7583] <... memfd_create resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 7583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7582] <... openat resumed>) = 3 [pid 5000] rmdir("./129/bus" [pid 7582] write(3, "1000", 4 [pid 7583] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] <... rmdir resumed>) = 0 [pid 7582] <... write resumed>) = 4 [pid 5000] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7582] close(3) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7582] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5000] lstat("./129/binderfs", [pid 7582] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7582] <... futex resumed>) = 0 [pid 5000] unlink("./129/binderfs") = 0 [pid 7582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 5000] getdents64(3, [pid 7582] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7582] <... mprotect resumed>) = 0 [pid 5000] close(3 [pid 7582] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./129") = 0 [pid 7582] <... clone resumed>, parent_tid=[7584], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7584 [pid 5000] mkdir("./130", 0777) = 0 [pid 7582] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7582] <... futex resumed>) = 0 [pid 7582] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7585 ./strace-static-x86_64: Process 7584 attached [pid 7584] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7584] memfd_create("syzkaller", 0) = 3 [pid 7584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7585 attached [pid 7585] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7585] chdir("./130") = 0 [pid 7585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7585] setpgid(0, 0) = 0 [pid 7585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7585] write(3, "1000", 4) = 4 [pid 7585] close(3) = 0 [pid 7585] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7585] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7585] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7585] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7586], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7586 [pid 7585] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7585] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7586 attached [pid 7580] <... write resumed>) = 4194304 [pid 7586] set_robust_list(0x7f6a589f59e0, 24 [pid 7580] munmap(0x7f6a505d5000, 4194304 [pid 7586] <... set_robust_list resumed>) = 0 [pid 7586] memfd_create("syzkaller", 0 [pid 7580] <... munmap resumed>) = 0 [pid 7586] <... memfd_create resumed>) = 3 [pid 7586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7584] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7583] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7580] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7586] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7580] <... openat resumed>) = 4 [pid 7580] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7580] close(3) = 0 [pid 7580] mkdir("./bus", 0777) = 0 [pid 7580] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7586] <... write resumed>) = 4194304 [pid 7586] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7586] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7586] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7586] close(3) = 0 [pid 7586] mkdir("./bus", 0777) = 0 [pid 7586] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7584] <... write resumed>) = 4194304 [pid 7583] <... write resumed>) = 4194304 [ 171.428551][ T7580] loop4: detected capacity change from 0 to 8192 [ 171.444826][ T7580] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 171.445270][ T7586] loop3: detected capacity change from 0 to 8192 [ 171.468959][ T7580] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7583] munmap(0x7f6a505d5000, 4194304 [pid 7584] munmap(0x7f6a505d5000, 4194304 [pid 7583] <... munmap resumed>) = 0 [pid 7584] <... munmap resumed>) = 0 [pid 7583] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7583] ioctl(4, LOOP_SET_FD, 3 [pid 7584] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7584] ioctl(4, LOOP_SET_FD, 3 [pid 7583] <... ioctl resumed>) = 0 [pid 7583] close(3) = 0 [pid 7583] mkdir("./bus", 0777) = 0 [pid 7583] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7584] <... ioctl resumed>) = 0 [pid 7584] close(3) = 0 [pid 7584] mkdir("./bus", 0777) = 0 [ 171.477841][ T7586] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 171.478525][ T7580] REISERFS (device loop4): using ordered data mode [ 171.496408][ T7583] loop1: detected capacity change from 0 to 8192 [ 171.498043][ T7580] reiserfs: using flush barriers [ 171.505252][ T7584] loop0: detected capacity change from 0 to 8192 [ 171.509958][ T7586] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 171.522161][ T7580] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 171.525544][ T7586] REISERFS (device loop3): using ordered data mode [ 171.541374][ T7583] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 171.547495][ T7586] reiserfs: using flush barriers [ 171.560757][ T7584] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 171.565397][ T7580] REISERFS (device loop4): checking transaction log (loop4) [ 171.585552][ T7586] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 171.601653][ T7584] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 171.601754][ T7584] REISERFS (device loop0): using ordered data mode [ 171.611683][ T7586] REISERFS (device loop3): checking transaction log (loop3) [ 171.617716][ T7583] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 171.625841][ T7586] REISERFS (device loop3): Using r5 hash to sort names [ 171.641599][ T7586] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 171.641754][ T7580] REISERFS (device loop4): Using r5 hash to sort names [ 171.654391][ T7586] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 171.661624][ T7583] REISERFS (device loop1): using ordered data mode [pid 7584] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7586] <... mount resumed>) = 0 [pid 7586] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7586] chdir("./bus") = 0 [pid 7586] ioctl(4, LOOP_CLR_FD) = 0 [pid 7586] close(4) = 0 [pid 7586] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7586] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7585] <... futex resumed>) = 0 [ 171.670669][ T7584] reiserfs: using flush barriers [ 171.677558][ T7580] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 171.686820][ T7583] reiserfs: using flush barriers [ 171.699588][ T7584] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 171.701877][ T7580] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7585] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7580] <... mount resumed>) = 0 [pid 7585] <... futex resumed>) = 1 [pid 7585] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7580] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7580] chdir("./bus") = 0 [pid 7580] ioctl(4, LOOP_CLR_FD) = 0 [pid 7580] close(4) = 0 [pid 7580] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] <... futex resumed>) = 0 [pid 7579] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7579] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7580] <... futex resumed>) = 1 [pid 7580] mkdir("./file1", 000) = 0 [pid 7580] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] <... futex resumed>) = 0 [pid 7579] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7579] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7580] <... futex resumed>) = 1 [pid 7580] mkdir("./bus", 000 [pid 7586] <... futex resumed>) = 0 [pid 7580] <... mkdir resumed>) = 0 [pid 7580] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] <... futex resumed>) = 0 [pid 7579] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7579] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7580] <... futex resumed>) = 1 [pid 7580] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 171.719736][ T7584] REISERFS (device loop0): checking transaction log (loop0) [ 171.732129][ T7583] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 171.753127][ T7583] REISERFS (device loop1): checking transaction log (loop1) [ 171.759971][ T7580] overlayfs: upper fs needs to support d_type. [ 171.767530][ T7584] REISERFS (device loop0): Using r5 hash to sort names [pid 7586] mkdir("./file1", 000) = 0 [pid 7585] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7585] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7585] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7585] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7591], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7591 [pid 7585] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7585] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7591 attached [pid 7591] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7591] mkdir("./bus", 000) = 0 [pid 7591] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7585] <... futex resumed>) = 0 [pid 7585] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7585] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7591] <... futex resumed>) = 1 [pid 7591] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7586] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7579] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7579] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7579] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7592], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7592 [pid 7579] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7579] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7586] <... futex resumed>) = 0 [pid 7584] <... mount resumed>) = 0 ./strace-static-x86_64: Process 7592 attached [pid 7592] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7592] mkdir(".", 0777) = -1 EEXIST (File exists) [ 171.768189][ T7580] overlayfs: upper fs does not support tmpfile. [ 171.774545][ T7584] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 171.788449][ T7591] overlayfs: upper fs needs to support d_type. [ 171.797081][ T7584] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 171.804466][ T7580] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 171.809933][ T7591] overlayfs: upper fs does not support tmpfile. [ 171.822506][ T7583] REISERFS (device loop1): Using r5 hash to sort names [pid 7592] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7586] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7584] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7585] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7585] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7585] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7584] <... openat resumed>) = 3 [pid 7586] mkdir(".", 0777 [pid 7584] chdir("./bus" [pid 7586] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7584] <... chdir resumed>) = 0 [pid 7584] ioctl(4, LOOP_CLR_FD [pid 7586] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7592] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7584] <... ioctl resumed>) = 0 [pid 7592] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] close(4) = 0 [pid 7579] <... futex resumed>) = 0 [pid 7592] <... futex resumed>) = 1 [pid 7592] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7584] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7582] <... futex resumed>) = 0 [pid 7582] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7584] mkdir("./file1", 000 [pid 7582] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7584] <... mkdir resumed>) = 0 [pid 7584] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7582] <... futex resumed>) = 0 [pid 7584] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7582] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7582] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7584] mkdir("./bus", 000) = 0 [pid 7584] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7582] <... futex resumed>) = 0 [pid 7584] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7582] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 171.825296][ T7592] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 171.830203][ T7583] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 171.847241][ T7580] overlayfs: failed to resolve './file0': -2 [ 171.858489][ T7591] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7582] <... futex resumed>) = 0 [pid 7584] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7582] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7583] <... mount resumed>) = 0 [pid 7583] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7583] chdir("./bus") = 0 [pid 7583] ioctl(4, LOOP_CLR_FD) = 0 [pid 7583] close(4) = 0 [pid 7583] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7583] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7580] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7580] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7580] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7579] exit_group(0 [pid 7581] <... futex resumed>) = 0 [pid 7579] <... exit_group resumed>) = ? [pid 7592] <... futex resumed>) = ? [pid 7580] <... futex resumed>) = ? [pid 7592] +++ exited with 0 +++ [pid 7580] +++ exited with 0 +++ [pid 7582] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7581] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] +++ exited with 0 +++ [pid 7582] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7581] <... futex resumed>) = 1 [pid 7582] <... futex resumed>) = 0 [pid 7581] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7583] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7579, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7583] mkdir("./file1", 000 [pid 7582] <... mmap resumed>) = 0x7f6a509b4000 [pid 7582] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7583] <... mkdir resumed>) = 0 [pid 7582] <... mprotect resumed>) = 0 [pid 7583] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7582] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7583] <... futex resumed>) = 1 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7581] <... futex resumed>) = 0 [pid 7582] <... clone resumed>, parent_tid=[7593], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7593 [pid 7581] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7582] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7581] <... futex resumed>) = 0 [pid 7582] <... futex resumed>) = 0 [pid 7581] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7583] mkdir("./bus", 000 [pid 7582] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7583] <... mkdir resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 7583] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] fstat(3, [pid 7583] <... futex resumed>) = 1 [pid 7581] <... futex resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7583] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7581] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] getdents64(3, [pid 7583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7581] <... futex resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7583] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 171.887080][ T7584] overlayfs: upper fs needs to support d_type. [ 171.887330][ T7583] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 171.894784][ T7591] overlayfs: failed to resolve './file0': -2 [ 171.908776][ T7584] overlayfs: upper fs does not support tmpfile. [ 171.911546][ T7586] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 171.916879][ T7584] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7581] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7593 attached [pid 7593] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7593] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7593] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7584] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7584] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7581] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7581] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7581] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7581] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7594], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7594 [pid 7581] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7581] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7584] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7594 attached [pid 7594] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7594] mkdir(".", 0777) = -1 EEXIST (File exists) [ 171.945073][ T7583] overlayfs: upper fs needs to support d_type. [ 171.963390][ T7584] overlayfs: failed to resolve './file0': -2 [ 171.967102][ T7593] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 171.970868][ T7583] overlayfs: upper fs does not support tmpfile. [pid 7594] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7586] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7586] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7585] <... futex resumed>) = 0 [pid 7586] <... futex resumed>) = 1 [pid 7586] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7594] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7594] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7581] <... futex resumed>) = 0 [pid 7594] <... futex resumed>) = 1 [pid 7594] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7593] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7593] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7593] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7582] <... futex resumed>) = 0 [pid 7582] exit_group(0 [pid 7593] <... futex resumed>) = ? [pid 7584] <... futex resumed>) = ? [pid 7582] <... exit_group resumed>) = ? [pid 7584] +++ exited with 0 +++ [pid 7593] +++ exited with 0 +++ [pid 7582] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7582, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 4997] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./129/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./129/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./129/bus") = 0 [pid 5001] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./129/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./129") = 0 [pid 5001] mkdir("./130", 0777 [pid 7591] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7583] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7583] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7581] exit_group(0 [pid 7594] <... futex resumed>) = ? [pid 7591] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7583] <... futex resumed>) = ? [pid 7581] <... exit_group resumed>) = ? [pid 5001] <... mkdir resumed>) = 0 [pid 7594] +++ exited with 0 +++ [pid 7591] <... futex resumed>) = 0 [pid 7583] +++ exited with 0 +++ [pid 7581] +++ exited with 0 +++ [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7591] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7585] exit_group(0 [pid 5001] <... openat resumed>) = 3 [pid 7586] <... futex resumed>) = ? [pid 7585] <... exit_group resumed>) = ? [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7581, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7591] <... futex resumed>) = ? [pid 7586] +++ exited with 0 +++ [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] restart_syscall(<... resuming interrupted clone ...> [ 172.012580][ T7594] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 172.029753][ T7583] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 172.041093][ T7583] overlayfs: failed to resolve './file0': -2 [pid 5001] close(3 [pid 4998] <... restart_syscall resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7591] +++ exited with 0 +++ [pid 7585] +++ exited with 0 +++ [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7595 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7585, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5000] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, ./strace-static-x86_64: Process 7595 attached [pid 7595] set_robust_list(0x5555564f86e0, 24 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7595] <... set_robust_list resumed>) = 0 [pid 5000] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7595] chdir("./130") = 0 [pid 7595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7595] setpgid(0, 0) = 0 [pid 7595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7595] write(3, "1000", 4) = 4 [pid 7595] close(3) = 0 [pid 7595] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./129/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./129/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, [pid 7595] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 7595] <... futex resumed>) = 0 [pid 7595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7595] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 7595] <... mprotect resumed>) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./129/bus") = 0 [pid 4997] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./129/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./129") = 0 [pid 4997] mkdir("./130", 0777 [pid 7595] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 7595] <... clone resumed>, parent_tid=[7596], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7596 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 7595] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7595] <... futex resumed>) = 0 [pid 7595] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7597 ./strace-static-x86_64: Process 7596 attached [pid 7596] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7596] memfd_create("syzkaller", 0) = 3 [pid 7596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7597 attached [pid 7597] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7597] chdir("./130") = 0 [pid 7597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7597] setpgid(0, 0) = 0 [pid 7597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7597] write(3, "1000", 4) = 4 [pid 7597] close(3) = 0 [pid 7597] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7597] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7597] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7597] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7598], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7598 [pid 7597] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7597] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7598 attached [pid 7598] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7598] memfd_create("syzkaller", 0) = 3 [pid 7598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5000] <... umount2 resumed>) = 0 [pid 4998] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./130/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./130/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./130/bus") = 0 [pid 4998] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./130/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./130") = 0 [pid 5000] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./130/bus", [pid 4998] mkdir("./131", 0777) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./130/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5000] <... openat resumed>) = 4 [pid 4998] <... openat resumed>) = 3 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./130/bus") = 0 [pid 5000] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7596] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 5000] unlink("./130/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./130") = 0 [pid 5000] mkdir("./131", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7599 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7600 ./strace-static-x86_64: Process 7600 attached [pid 7600] set_robust_list(0x5555564f86e0, 24) = 0 ./strace-static-x86_64: Process 7599 attached [pid 7600] chdir("./131") = 0 [pid 7599] set_robust_list(0x5555564f86e0, 24 [pid 7600] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7598] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7600] <... prctl resumed>) = 0 [pid 7599] <... set_robust_list resumed>) = 0 [pid 7596] <... write resumed>) = 4194304 [pid 7600] setpgid(0, 0 [pid 7599] chdir("./131" [pid 7600] <... setpgid resumed>) = 0 [pid 7599] <... chdir resumed>) = 0 [pid 7600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7600] <... openat resumed>) = 3 [pid 7599] <... prctl resumed>) = 0 [pid 7600] write(3, "1000", 4 [pid 7599] setpgid(0, 0) = 0 [pid 7600] <... write resumed>) = 4 [pid 7599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7600] close(3 [pid 7599] <... openat resumed>) = 3 [pid 7599] write(3, "1000", 4 [pid 7600] <... close resumed>) = 0 [pid 7599] <... write resumed>) = 4 [pid 7600] symlink("/dev/binderfs", "./binderfs" [pid 7599] close(3 [pid 7600] <... symlink resumed>) = 0 [pid 7599] <... close resumed>) = 0 [pid 7600] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7599] symlink("/dev/binderfs", "./binderfs" [pid 7600] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7600] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7599] <... symlink resumed>) = 0 [pid 7600] <... clone resumed>, parent_tid=[7601], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7601 [pid 7600] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7600] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7596] munmap(0x7f6a505d5000, 4194304 [pid 7599] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7599] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7599] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7602], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7602 [pid 7599] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7599] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7596] <... munmap resumed>) = 0 [pid 7596] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7596] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7601 attached [pid 7601] set_robust_list(0x7f6a589f59e0, 24./strace-static-x86_64: Process 7602 attached [pid 7602] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7602] memfd_create("syzkaller", 0 [pid 7601] <... set_robust_list resumed>) = 0 [pid 7602] <... memfd_create resumed>) = 3 [pid 7602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7601] memfd_create("syzkaller", 0) = 3 [pid 7601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7596] <... ioctl resumed>) = 0 [pid 7596] close(3) = 0 [pid 7596] mkdir("./bus", 0777) = 0 [pid 7596] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7598] <... write resumed>) = 4194304 [pid 7598] munmap(0x7f6a505d5000, 4194304 [pid 7601] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7598] <... munmap resumed>) = 0 [pid 7602] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7598] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 172.254738][ T7596] loop4: detected capacity change from 0 to 8192 [ 172.281496][ T7596] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 172.295180][ T7596] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 172.305296][ T7596] REISERFS (device loop4): using ordered data mode [ 172.307602][ T7598] loop0: detected capacity change from 0 to 8192 [ 172.312001][ T7596] reiserfs: using flush barriers [ 172.324496][ T7596] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 172.341344][ T7596] REISERFS (device loop4): checking transaction log (loop4) [pid 7598] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7598] close(3) = 0 [pid 7598] mkdir("./bus", 0777) = 0 [pid 7598] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7596] <... mount resumed>) = 0 [pid 7596] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7601] <... write resumed>) = 4194304 [pid 7596] chdir("./bus" [pid 7601] munmap(0x7f6a505d5000, 4194304 [pid 7596] <... chdir resumed>) = 0 [pid 7602] <... write resumed>) = 4194304 [pid 7602] munmap(0x7f6a505d5000, 4194304 [pid 7601] <... munmap resumed>) = 0 [pid 7596] ioctl(4, LOOP_CLR_FD [pid 7602] <... munmap resumed>) = 0 [pid 7601] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7596] <... ioctl resumed>) = 0 [pid 7602] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7601] <... openat resumed>) = 4 [ 172.349526][ T7596] REISERFS (device loop4): Using r5 hash to sort names [ 172.356672][ T7596] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 172.369529][ T7596] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 172.380619][ T7598] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 172.395099][ T7598] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7596] close(4 [pid 7602] <... openat resumed>) = 4 [pid 7601] ioctl(4, LOOP_SET_FD, 3 [pid 7596] <... close resumed>) = 0 [pid 7602] ioctl(4, LOOP_SET_FD, 3 [pid 7596] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7601] <... ioctl resumed>) = 0 [pid 7601] close(3) = 0 [pid 7601] mkdir("./bus", 0777) = 0 [pid 7601] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7602] <... ioctl resumed>) = 0 [pid 7596] <... futex resumed>) = 1 [pid 7595] <... futex resumed>) = 0 [ 172.404554][ T7598] REISERFS (device loop0): using ordered data mode [ 172.411403][ T7598] reiserfs: using flush barriers [ 172.412157][ T7601] loop1: detected capacity change from 0 to 8192 [ 172.417139][ T7598] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 172.424240][ T7602] loop3: detected capacity change from 0 to 8192 [ 172.441595][ T7598] REISERFS (device loop0): checking transaction log (loop0) [pid 7602] close(3 [pid 7596] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7595] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7602] <... close resumed>) = 0 [pid 7596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7595] <... futex resumed>) = 0 [pid 7602] mkdir("./bus", 0777 [pid 7596] mkdir("./file1", 000 [pid 7595] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7602] <... mkdir resumed>) = 0 [pid 7596] <... mkdir resumed>) = 0 [pid 7602] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7596] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7595] <... futex resumed>) = 0 [pid 7596] mkdir("./bus", 000 [pid 7595] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] <... mkdir resumed>) = 0 [pid 7595] <... futex resumed>) = 0 [pid 7596] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7595] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7596] <... futex resumed>) = 0 [pid 7595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7596] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7595] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 172.453227][ T7601] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 172.466245][ T7601] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 172.466768][ T7596] overlayfs: upper fs needs to support d_type. [ 172.475420][ T7601] REISERFS (device loop1): using ordered data mode [ 172.475430][ T7601] reiserfs: using flush barriers [ 172.477076][ T7602] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7595] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7595] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7595] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7595] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7607], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7607 [pid 7595] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7595] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7607 attached [pid 7607] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7607] mkdir(".", 0777) = -1 EEXIST (File exists) [ 172.482468][ T7596] overlayfs: upper fs does not support tmpfile. [ 172.488535][ T7601] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 172.493889][ T7596] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 172.506600][ T7602] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7607] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7598] <... mount resumed>) = 0 [pid 7598] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7598] chdir("./bus") = 0 [pid 7598] ioctl(4, LOOP_CLR_FD) = 0 [pid 7598] close(4) = 0 [pid 7598] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7598] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7607] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 172.539119][ T7607] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 172.544820][ T7598] REISERFS (device loop0): Using r5 hash to sort names [ 172.559774][ T7601] REISERFS (device loop1): checking transaction log (loop1) [ 172.566317][ T7598] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 172.586963][ T7598] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 172.587050][ T7602] REISERFS (device loop3): using ordered data mode [pid 7607] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7597] <... futex resumed>) = 0 [pid 7595] <... futex resumed>) = 0 [pid 7597] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] <... futex resumed>) = 0 [pid 7597] <... futex resumed>) = 1 [pid 7598] mkdir("./file1", 000 [pid 7597] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7598] <... mkdir resumed>) = 0 [pid 7598] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7598] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7597] <... futex resumed>) = 0 [pid 7597] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] <... futex resumed>) = 0 [pid 7597] <... futex resumed>) = 1 [pid 7598] mkdir("./bus", 000) = 0 [pid 7597] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7598] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7598] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7597] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 172.600995][ T7596] overlayfs: failed to resolve './file0': -2 [ 172.613919][ T7602] reiserfs: using flush barriers [ 172.618983][ T7601] REISERFS (device loop1): Using r5 hash to sort names [ 172.625980][ T7601] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 172.628598][ T7602] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7597] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7601] <... mount resumed>) = 0 [pid 7598] <... futex resumed>) = 0 [pid 7596] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7598] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7596] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7595] exit_group(0 [pid 7607] <... futex resumed>) = ? [pid 7596] <... futex resumed>) = ? [pid 7595] <... exit_group resumed>) = ? [pid 7607] +++ exited with 0 +++ [pid 7596] +++ exited with 0 +++ [pid 7595] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7595, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 7601] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7601] chdir("./bus") = 0 [pid 7601] ioctl(4, LOOP_CLR_FD [pid 5001] <... restart_syscall resumed>) = 0 [pid 7601] <... ioctl resumed>) = 0 [pid 7601] close(4) = 0 [pid 5001] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7601] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7601] <... futex resumed>) = 1 [pid 7600] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7601] mkdir("./file1", 000 [pid 7600] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 7601] <... mkdir resumed>) = 0 [pid 7600] <... futex resumed>) = 0 [pid 5001] fstat(3, [pid 7601] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7600] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7601] <... futex resumed>) = 0 [pid 7600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] getdents64(3, [pid 7601] mkdir("./bus", 000 [pid 7600] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7601] <... mkdir resumed>) = 0 [pid 7600] <... futex resumed>) = 0 [pid 5001] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7601] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7600] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7601] <... futex resumed>) = 0 [pid 7600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7601] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7600] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 172.638971][ T7601] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 172.658278][ T7602] REISERFS (device loop3): checking transaction log (loop3) [ 172.670122][ T7598] overlayfs: upper fs needs to support d_type. [ 172.672351][ T7602] REISERFS (device loop3): Using r5 hash to sort names [ 172.677474][ T7598] overlayfs: upper fs does not support tmpfile. [ 172.677892][ T7598] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7600] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7597] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7597] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7598] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7598] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7597] <... mmap resumed>) = 0x7f6a509b4000 [pid 7598] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7597] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7597] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7608], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7608 [pid 7597] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7597] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7600] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 7608 attached [pid 7608] set_robust_list(0x7f6a509d49e0, 24 [pid 7600] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7608] <... set_robust_list resumed>) = 0 [pid 7600] <... futex resumed>) = 0 [ 172.684616][ T7602] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 172.701337][ T7598] overlayfs: failed to resolve './file0': -2 [ 172.726340][ T7602] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 172.735792][ T7601] overlayfs: upper fs needs to support d_type. [ 172.742903][ T7601] overlayfs: upper fs does not support tmpfile. [pid 7608] mkdir(".", 0777 [pid 7600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7608] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7602] <... mount resumed>) = 0 [pid 7600] <... mmap resumed>) = 0x7f6a509b4000 [pid 7608] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7602] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7600] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7602] <... openat resumed>) = 3 [pid 7600] <... mprotect resumed>) = 0 [pid 7602] chdir("./bus") = 0 [pid 7600] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7609], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7609 [pid 7600] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7600] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7602] ioctl(4, LOOP_CLR_FD) = 0 [pid 7602] close(4) = 0 ./strace-static-x86_64: Process 7609 attached [pid 7609] set_robust_list(0x7f6a509d49e0, 24 [pid 7602] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7599] <... futex resumed>) = 0 [pid 7602] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7599] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7602] <... futex resumed>) = 0 [pid 7599] <... futex resumed>) = 1 [pid 7599] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7609] <... set_robust_list resumed>) = 0 [pid 7609] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7609] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7602] mkdir("./file1", 000) = 0 [pid 7602] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7601] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7599] <... futex resumed>) = 0 [pid 7608] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7602] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7601] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7608] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7601] <... futex resumed>) = 0 [pid 7599] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7608] <... futex resumed>) = 1 [pid 7602] mkdir("./bus", 000 [pid 7601] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7608] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7602] <... mkdir resumed>) = 0 [pid 7599] <... futex resumed>) = 0 [pid 7597] <... futex resumed>) = 0 [pid 7602] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7597] exit_group(0 [pid 7608] <... futex resumed>) = ? [pid 7602] <... futex resumed>) = 0 [pid 7599] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7598] <... futex resumed>) = ? [pid 7597] <... exit_group resumed>) = ? [pid 7608] +++ exited with 0 +++ [pid 7602] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7598] +++ exited with 0 +++ [pid 7597] +++ exited with 0 +++ [pid 7602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7599] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7602] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7599] <... futex resumed>) = 0 [pid 7599] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7597, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [ 172.751093][ T7601] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 172.760594][ T7601] overlayfs: failed to resolve './file0': -2 [ 172.779702][ T7608] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7609] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7609] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7600] <... futex resumed>) = 0 [pid 7600] exit_group(0) = ? [pid 7609] <... futex resumed>) = ? [pid 7609] +++ exited with 0 +++ [pid 7601] <... futex resumed>) = ? [pid 4997] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7601] +++ exited with 0 +++ [pid 7600] +++ exited with 0 +++ [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7600, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 4997] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./130/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./130/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./130/bus") = 0 [pid 5001] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7599] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7599] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7599] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7599] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7599] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7610], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7610 [pid 7599] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7599] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] unlink("./130/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./130") = 0 [pid 5001] mkdir("./131", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7610 attached [pid 7610] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7610] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7610] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7611 [ 172.803555][ T7609] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 172.819185][ T7602] overlayfs: upper fs needs to support d_type. [ 172.828281][ T7602] overlayfs: upper fs does not support tmpfile. ./strace-static-x86_64: Process 7611 attached [pid 7611] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7611] chdir("./131") = 0 [pid 7611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7611] setpgid(0, 0) = 0 [pid 7611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7611] write(3, "1000", 4) = 4 [pid 7611] close(3) = 0 [pid 7611] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... umount2 resumed>) = 0 [pid 7611] <... symlink resumed>) = 0 [pid 7611] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7611] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7611] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7612], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7612 [pid 7611] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7611] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7612 attached [pid 7612] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7612] memfd_create("syzkaller", 0) = 3 [pid 7612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./131/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./131/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./131/bus") = 0 [pid 4998] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./131/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./131") = 0 [pid 4998] mkdir("./132", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3 [ 172.877926][ T7602] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 172.885795][ T7610] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] <... umount2 resumed>) = 0 [pid 7610] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7612] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7610] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... close resumed>) = 0 [pid 4997] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7610] <... futex resumed>) = 1 [pid 7599] <... futex resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7610] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] lstat("./130/bus", [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./130/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7613 ./strace-static-x86_64: Process 7613 attached [pid 7613] set_robust_list(0x5555564f86e0, 24 [pid 4997] fstat(4, [pid 7613] <... set_robust_list resumed>) = 0 [pid 7613] chdir("./132") = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 7613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7613] setpgid(0, 0) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, [pid 7613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./130/bus" [pid 7613] <... openat resumed>) = 3 [pid 7613] write(3, "1000", 4) = 4 [pid 7613] close(3 [pid 4997] <... rmdir resumed>) = 0 [pid 7613] <... close resumed>) = 0 [pid 7613] symlink("/dev/binderfs", "./binderfs" [pid 4997] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7613] <... symlink resumed>) = 0 [pid 4997] unlink("./130/binderfs" [pid 7613] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3 [pid 7613] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4997] <... close resumed>) = 0 [pid 7613] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] rmdir("./130" [pid 7613] <... clone resumed>, parent_tid=[7614], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7614 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./131", 0777 [pid 7613] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7614 attached [pid 7614] set_robust_list(0x7f6a589f59e0, 24 [pid 4997] <... mkdir resumed>) = 0 [pid 7614] <... set_robust_list resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7615 [pid 7602] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7602] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] exit_group(0) = ? [pid 7610] <... futex resumed>) = ? [pid 7610] +++ exited with 0 +++ [pid 7602] <... futex resumed>) = ? [pid 7614] memfd_create("syzkaller", 0) = 3 [pid 7614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7602] +++ exited with 0 +++ [pid 7599] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7599, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7615 attached [pid 7615] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7615] chdir("./131") = 0 [pid 7615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7615] setpgid(0, 0) = 0 [pid 7615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7615] write(3, "1000", 4) = 4 [pid 7615] close(3) = 0 [pid 7615] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7615] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7615] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7615] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7616], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7616 [pid 7615] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7615] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7616 attached [pid 7616] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7616] memfd_create("syzkaller", 0) = 3 [pid 7616] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 172.935291][ T7602] overlayfs: failed to resolve './file0': -2 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./131/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7614] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7612] <... write resumed>) = 4194304 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7612] munmap(0x7f6a505d5000, 4194304 [pid 5000] openat(AT_FDCWD, "./131/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./131/bus") = 0 [pid 5000] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./131/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./131" [pid 7612] <... munmap resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 7612] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] mkdir("./132", 0777 [pid 7612] <... openat resumed>) = 4 [pid 7612] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 7616] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7614] <... write resumed>) = 4194304 [pid 7612] <... ioctl resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7617 [pid 7612] close(3) = 0 [pid 7612] mkdir("./bus", 0777) = 0 [pid 7612] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7614] munmap(0x7f6a505d5000, 4194304./strace-static-x86_64: Process 7617 attached [pid 7617] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7617] chdir("./132") = 0 [pid 7617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7617] setpgid(0, 0) = 0 [pid 7617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7617] write(3, "1000", 4) = 4 [pid 7617] close(3) = 0 [pid 7616] <... write resumed>) = 4194304 [pid 7614] <... munmap resumed>) = 0 [pid 7617] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7616] munmap(0x7f6a505d5000, 4194304 [pid 7617] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7616] <... munmap resumed>) = 0 [pid 7617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7614] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7617] <... mmap resumed>) = 0x7f6a589d5000 [pid 7617] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7616] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7614] <... openat resumed>) = 4 [pid 7617] <... mprotect resumed>) = 0 [pid 7617] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7616] <... openat resumed>) = 4 [ 173.058192][ T7612] loop4: detected capacity change from 0 to 8192 [pid 7614] ioctl(4, LOOP_SET_FD, 3 [pid 7617] <... clone resumed>, parent_tid=[7619], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7619 [pid 7616] ioctl(4, LOOP_SET_FD, 3 [pid 7617] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 7619 attached [pid 7619] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7619] memfd_create("syzkaller", 0) = 3 [pid 7619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7617] <... futex resumed>) = 0 [pid 7614] close(3 [pid 7617] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7614] <... close resumed>) = 0 [pid 7614] mkdir("./bus", 0777) = 0 [pid 7614] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7616] <... ioctl resumed>) = 0 [ 173.095901][ T7612] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 173.108112][ T7614] loop1: detected capacity change from 0 to 8192 [ 173.110256][ T7616] loop0: detected capacity change from 0 to 8192 [ 173.115264][ T7612] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 173.131401][ T7612] REISERFS (device loop4): using ordered data mode [ 173.138045][ T7612] reiserfs: using flush barriers [ 173.144138][ T7614] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7616] close(3) = 0 [pid 7616] mkdir("./bus", 0777) = 0 [pid 7616] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 173.147335][ T7612] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 173.158388][ T7614] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 173.176473][ T7612] REISERFS (device loop4): checking transaction log (loop4) [ 173.189628][ T7614] REISERFS (device loop1): using ordered data mode [pid 7619] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7619] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7619] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 173.191517][ T7616] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 173.210295][ T7616] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 173.217766][ T7612] REISERFS (device loop4): Using r5 hash to sort names [ 173.219915][ T7616] REISERFS (device loop0): using ordered data mode [ 173.226389][ T7614] reiserfs: using flush barriers [ 173.238282][ T7612] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 173.251385][ T7616] reiserfs: using flush barriers [pid 7619] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7619] close(3) = 0 [pid 7619] mkdir("./bus", 0777) = 0 [ 173.253372][ T7619] loop3: detected capacity change from 0 to 8192 [ 173.259935][ T7612] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 173.263050][ T7614] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 173.272342][ T7616] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7619] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7612] <... mount resumed>) = 0 [pid 7612] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7612] chdir("./bus") = 0 [pid 7612] ioctl(4, LOOP_CLR_FD) = 0 [pid 7612] close(4) = 0 [pid 7612] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... futex resumed>) = 0 [pid 7611] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7611] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7612] <... futex resumed>) = 1 [pid 7612] mkdir("./file1", 000) = 0 [pid 7612] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... futex resumed>) = 0 [pid 7611] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7611] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7612] <... futex resumed>) = 1 [pid 7612] mkdir("./bus", 000) = 0 [pid 7612] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... futex resumed>) = 0 [pid 7611] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7611] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7612] <... futex resumed>) = 1 [ 173.288291][ T7614] REISERFS (device loop1): checking transaction log (loop1) [ 173.312147][ T7614] REISERFS (device loop1): Using r5 hash to sort names [ 173.327484][ T7616] REISERFS (device loop0): checking transaction log (loop0) [ 173.335275][ T7612] overlayfs: upper fs needs to support d_type. [ 173.338929][ T7614] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7612] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7611] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7611] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7611] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7611] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7623], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7623 [pid 7611] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7611] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7614] <... mount resumed>) = 0 [pid 7614] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7614] chdir("./bus") = 0 ./strace-static-x86_64: Process 7623 attached [pid 7614] ioctl(4, LOOP_CLR_FD) = 0 [pid 7614] close(4 [pid 7623] set_robust_list(0x7f6a509d49e0, 24 [pid 7614] <... close resumed>) = 0 [pid 7614] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7613] <... futex resumed>) = 0 [ 173.342154][ T7619] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 173.367387][ T7614] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 173.367991][ T7612] overlayfs: upper fs does not support tmpfile. [ 173.383928][ T7616] REISERFS (device loop0): Using r5 hash to sort names [ 173.391341][ T7616] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7613] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7623] <... set_robust_list resumed>) = 0 [pid 7616] <... mount resumed>) = 0 [pid 7623] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7623] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7616] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7614] <... futex resumed>) = 1 [pid 7614] mkdir("./file1", 000) = 0 [pid 7614] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7613] <... futex resumed>) = 0 [pid 7613] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7614] mkdir("./bus", 000) = 0 [pid 7616] <... openat resumed>) = 3 [pid 7614] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7613] <... futex resumed>) = 0 [pid 7613] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 173.404796][ T7616] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 173.414320][ T7619] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 173.419602][ T7623] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 173.423710][ T7619] REISERFS (device loop3): using ordered data mode [ 173.444933][ T7619] reiserfs: using flush barriers [ 173.450262][ T7614] overlayfs: upper fs needs to support d_type. [pid 7614] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7616] chdir("./bus") = 0 [pid 7623] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7623] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... futex resumed>) = 0 [pid 7623] <... futex resumed>) = 1 [pid 7623] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7616] ioctl(4, LOOP_CLR_FD [pid 7613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7613] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7613] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7613] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7624], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7624 [pid 7613] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7624 attached [pid 7624] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7616] <... ioctl resumed>) = 0 [pid 7624] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7624] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 173.456496][ T7614] overlayfs: upper fs does not support tmpfile. [ 173.456517][ T7619] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 173.470228][ T7614] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 173.479403][ T7619] REISERFS (device loop3): checking transaction log (loop3) [ 173.492704][ T7614] overlayfs: failed to resolve './file0': -2 [ 173.493711][ T7612] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7616] close(4) = 0 [pid 7614] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7614] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7614] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7616] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7612] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7616] <... futex resumed>) = 1 [pid 7615] <... futex resumed>) = 0 [pid 7612] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] exit_group(0 [pid 7623] <... futex resumed>) = ? [pid 7611] <... exit_group resumed>) = ? [pid 7623] +++ exited with 0 +++ [pid 7624] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7624] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7613] <... futex resumed>) = 0 [pid 7613] exit_group(0 [pid 7614] <... futex resumed>) = ? [pid 7613] <... exit_group resumed>) = ? [pid 7614] +++ exited with 0 +++ [pid 7624] <... futex resumed>) = ? [pid 7624] +++ exited with 0 +++ [pid 7613] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7613, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 173.507505][ T7612] overlayfs: failed to resolve './file0': -2 [ 173.519390][ T7619] REISERFS (device loop3): Using r5 hash to sort names [ 173.522453][ T7624] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 173.526839][ T7619] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 4998] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7616] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7615] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7612] <... futex resumed>) = ? [pid 7616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7615] <... futex resumed>) = 0 [pid 7619] <... mount resumed>) = 0 [pid 7616] mkdir("./file1", 000 [pid 7615] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7612] +++ exited with 0 +++ [pid 7611] +++ exited with 0 +++ [pid 7616] <... mkdir resumed>) = 0 [pid 7616] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7615] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7611, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7616] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7615] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 7616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7615] <... futex resumed>) = 0 [pid 7616] mkdir("./bus", 000 [pid 7615] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... restart_syscall resumed>) = 0 [pid 7616] <... mkdir resumed>) = 0 [pid 7616] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7615] <... futex resumed>) = 0 [pid 7619] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7616] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7615] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7619] <... openat resumed>) = 3 [pid 7616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7615] <... futex resumed>) = 0 [pid 7619] chdir("./bus" [pid 7616] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7615] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7619] <... chdir resumed>) = 0 [pid 5001] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7619] ioctl(4, LOOP_CLR_FD [pid 5001] <... openat resumed>) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7619] <... ioctl resumed>) = 0 [pid 5001] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7619] close(4) = 0 [ 173.554334][ T7619] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 173.575808][ T7616] overlayfs: upper fs needs to support d_type. [ 173.582468][ T7616] overlayfs: upper fs does not support tmpfile. [ 173.589309][ T7616] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7619] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7617] <... futex resumed>) = 0 [pid 7617] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7617] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7619] mkdir("./file1", 000) = 0 [pid 7619] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7617] <... futex resumed>) = 0 [pid 7619] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7617] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7617] <... futex resumed>) = 0 [pid 7619] mkdir("./bus", 000 [pid 7617] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7619] <... mkdir resumed>) = 0 [pid 7619] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7617] <... futex resumed>) = 0 [pid 7619] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7617] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./132/bus", [pid 7615] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7617] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7615] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7615] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7615] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7625], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7625 [pid 7615] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7615] <... futex resumed>) = 0 [pid 7615] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./132/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./132/bus") = 0 [pid 4998] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./132/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3./strace-static-x86_64: Process 7625 attached [pid 7616] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7616] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7625] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7616] <... futex resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./132" [pid 7625] mkdir(".", 0777 [pid 7616] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] <... rmdir resumed>) = 0 [ 173.607658][ T7616] overlayfs: failed to resolve './file0': -2 [ 173.621384][ T7619] overlayfs: upper fs needs to support d_type. [ 173.638686][ T7619] overlayfs: upper fs does not support tmpfile. [ 173.646783][ T7619] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7625] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4998] mkdir("./133", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7626 [pid 7625] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7617] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7626 attached [pid 7625] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7617] <... futex resumed>) = 0 [pid 7619] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7626] set_robust_list(0x5555564f86e0, 24 [pid 7625] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7619] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7626] <... set_robust_list resumed>) = 0 [pid 7625] <... futex resumed>) = 1 [pid 7619] <... futex resumed>) = 0 [pid 7617] <... mmap resumed>) = 0x7f6a509b4000 [pid 7615] <... futex resumed>) = 0 [pid 7626] chdir("./133" [pid 7625] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7619] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7617] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7615] exit_group(0 [pid 7626] <... chdir resumed>) = 0 [pid 7625] <... futex resumed>) = ? [pid 7617] <... mprotect resumed>) = 0 [pid 7616] <... futex resumed>) = ? [pid 7615] <... exit_group resumed>) = ? [pid 5001] <... umount2 resumed>) = 0 [pid 7626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7625] +++ exited with 0 +++ [pid 7617] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7616] +++ exited with 0 +++ [pid 7615] +++ exited with 0 +++ [pid 7626] <... prctl resumed>) = 0 [pid 5001] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7626] setpgid(0, 0 [pid 7617] <... clone resumed>, parent_tid=[7627], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7627 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7615, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7626] <... setpgid resumed>) = 0 [pid 7617] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7617] <... futex resumed>) = 0 [pid 7626] <... openat resumed>) = 3 [pid 7617] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] lstat("./131/bus", [pid 7626] write(3, "1000", 4 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7626] <... write resumed>) = 4 [pid 5001] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7627 attached [pid 7626] close(3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7626] <... close resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./131/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7627] set_robust_list(0x7f6a509d49e0, 24 [pid 7626] symlink("/dev/binderfs", "./binderfs" [pid 4997] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7627] <... set_robust_list resumed>) = 0 [pid 5001] <... openat resumed>) = 4 [pid 7626] <... symlink resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 7627] mkdir(".", 0777 [pid 7626] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] fstat(4, [pid 4997] fstat(3, [pid 7627] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7626] <... futex resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7627] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] getdents64(3, [pid 7626] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] getdents64(4, [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7626] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7626] <... mprotect resumed>) = 0 [pid 5001] getdents64(4, [pid 7626] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4 [pid 7626] <... clone resumed>, parent_tid=[7628], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7628 [pid 5001] <... close resumed>) = 0 [pid 7626] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] rmdir("./131/bus" [pid 7626] <... futex resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 7626] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./131/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./131") = 0 [pid 5001] mkdir("./132", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 173.656309][ T7619] overlayfs: failed to resolve './file0': -2 [ 173.670855][ T7625] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7629 ./strace-static-x86_64: Process 7628 attached [pid 7628] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7628] memfd_create("syzkaller", 0) = 3 [pid 7628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7629 attached [pid 7629] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7629] chdir("./132") = 0 [pid 7629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7629] setpgid(0, 0) = 0 [pid 7629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7629] write(3, "1000", 4) = 4 [pid 7629] close(3) = 0 [pid 7629] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7629] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7629] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7629] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7630], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7630 [pid 7629] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7629] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7630 attached [pid 7630] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7630] memfd_create("syzkaller", 0) = 3 [pid 7630] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] <... umount2 resumed>) = 0 [pid 7627] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7628] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7627] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7627] <... futex resumed>) = 1 [pid 7617] <... futex resumed>) = 0 [pid 4997] lstat("./131/bus", [pid 7627] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7617] exit_group(0 [pid 7619] <... futex resumed>) = ? [pid 7617] <... exit_group resumed>) = ? [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7627] <... futex resumed>) = ? [pid 7619] +++ exited with 0 +++ [pid 4997] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./131/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 7627] +++ exited with 0 +++ [pid 7617] +++ exited with 0 +++ [pid 4997] close(4 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7617, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4997] <... close resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 4997] rmdir("./131/bus" [pid 5000] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... rmdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... openat resumed>) = 3 [pid 4997] lstat("./131/binderfs", [pid 5000] fstat(3, [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] unlink("./131/binderfs" [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] <... unlink resumed>) = 0 [pid 5000] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./131") = 0 [pid 4997] mkdir("./132", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [ 173.746397][ T7627] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7631 ./strace-static-x86_64: Process 7631 attached [pid 7631] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7631] chdir("./132") = 0 [pid 7631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7631] setpgid(0, 0) = 0 [pid 7631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7631] write(3, "1000", 4) = 4 [pid 7631] close(3) = 0 [pid 7631] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7631] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7631] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7631] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7632], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7632 [pid 7631] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7631] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7628] <... write resumed>) = 4194304 [pid 7628] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7628] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7628] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7632 attached [pid 7632] set_robust_list(0x7f6a589f59e0, 24 [pid 7630] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7632] <... set_robust_list resumed>) = 0 [pid 7632] memfd_create("syzkaller", 0) = 3 [pid 7632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7628] <... ioctl resumed>) = 0 [pid 7628] close(3) = 0 [pid 7628] mkdir("./bus", 0777 [pid 5000] lstat("./132/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./132/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./132/bus" [pid 7628] <... mkdir resumed>) = 0 [pid 7628] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5000] <... rmdir resumed>) = 0 [pid 5000] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./132/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./132") = 0 [pid 5000] mkdir("./133", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7634 [ 173.842019][ T7628] loop1: detected capacity change from 0 to 8192 ./strace-static-x86_64: Process 7634 attached [pid 7632] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7630] <... write resumed>) = 4194304 [pid 7630] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7634] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7634] chdir("./133") = 0 [pid 7634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7634] setpgid(0, 0) = 0 [pid 7634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7630] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7630] ioctl(4, LOOP_SET_FD, 3 [pid 7634] write(3, "1000", 4) = 4 [pid 7634] close(3) = 0 [pid 7634] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7634] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7634] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7634] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7635], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7635 [pid 7634] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7634] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7635 attached [pid 7635] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7635] memfd_create("syzkaller", 0) = 3 [pid 7635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 173.891427][ T7628] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 173.904903][ T7628] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 173.908946][ T7630] loop4: detected capacity change from 0 to 8192 [ 173.914540][ T7628] REISERFS (device loop1): using ordered data mode [ 173.927660][ T7628] reiserfs: using flush barriers [pid 7630] <... ioctl resumed>) = 0 [pid 7630] close(3) = 0 [pid 7630] mkdir("./bus", 0777 [pid 7632] <... write resumed>) = 4194304 [pid 7630] <... mkdir resumed>) = 0 [pid 7630] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7632] munmap(0x7f6a505d5000, 4194304 [pid 7635] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7632] <... munmap resumed>) = 0 [pid 7632] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 173.939550][ T7628] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 173.957584][ T7628] REISERFS (device loop1): checking transaction log (loop1) [ 173.967833][ T7628] REISERFS (device loop1): Using r5 hash to sort names [ 173.972166][ T7632] loop0: detected capacity change from 0 to 8192 [pid 7632] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7632] close(3) = 0 [pid 7632] mkdir("./bus", 0777) = 0 [pid 7632] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7635] <... write resumed>) = 4194304 [pid 7635] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7635] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7635] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7635] close(3) = 0 [pid 7635] mkdir("./bus", 0777) = 0 [ 173.975247][ T7630] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 173.994653][ T7628] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 174.008707][ T7630] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 174.018432][ T7628] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 174.020460][ T7635] loop3: detected capacity change from 0 to 8192 [pid 7635] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7628] <... mount resumed>) = 0 [pid 7628] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7628] chdir("./bus") = 0 [pid 7628] ioctl(4, LOOP_CLR_FD) = 0 [pid 7628] close(4) = 0 [pid 7628] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7626] <... futex resumed>) = 0 [pid 7628] mkdir("./file1", 000 [pid 7626] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7628] <... mkdir resumed>) = 0 [pid 7626] <... futex resumed>) = 0 [pid 7628] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7628] <... futex resumed>) = 0 [pid 7626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7628] mkdir("./bus", 000 [pid 7626] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7628] <... mkdir resumed>) = 0 [pid 7626] <... futex resumed>) = 0 [pid 7628] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7628] <... futex resumed>) = 0 [pid 7626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7628] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 174.027988][ T7632] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 174.038733][ T7630] REISERFS (device loop4): using ordered data mode [ 174.048159][ T7632] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 174.054839][ T7630] reiserfs: using flush barriers [ 174.063260][ T7635] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 174.067865][ T7632] REISERFS (device loop0): using ordered data mode [pid 7626] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 174.088045][ T7632] reiserfs: using flush barriers [ 174.091054][ T7628] overlayfs: upper fs needs to support d_type. [ 174.094247][ T7635] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 174.099474][ T7632] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 174.108426][ T7635] REISERFS (device loop3): using ordered data mode [ 174.131227][ T7635] reiserfs: using flush barriers [ 174.138158][ T7628] overlayfs: upper fs does not support tmpfile. [ 174.144806][ T7628] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 174.147352][ T7630] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 174.153387][ T7628] overlayfs: failed to resolve './file0': -2 [ 174.168923][ T7635] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7626] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7626] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7626] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7626] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7639], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7639 [pid 7626] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7626] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7628] <... mount resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 7639 attached [pid 7639] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7639] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7639] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7628] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 174.174358][ T7632] REISERFS (device loop0): checking transaction log (loop0) [ 174.198902][ T7632] REISERFS (device loop0): Using r5 hash to sort names [ 174.206479][ T7630] REISERFS (device loop4): checking transaction log (loop4) [ 174.206940][ T7639] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 174.214451][ T7632] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7628] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7639] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7639] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] <... futex resumed>) = 0 [pid 7626] exit_group(0) = ? [pid 7639] <... futex resumed>) = ? [pid 7639] +++ exited with 0 +++ [pid 7628] <... futex resumed>) = ? [ 174.242857][ T7630] REISERFS (device loop4): Using r5 hash to sort names [ 174.242953][ T7635] REISERFS (device loop3): checking transaction log (loop3) [ 174.250076][ T7632] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 174.259742][ T7635] REISERFS (device loop3): Using r5 hash to sort names [ 174.266774][ T7630] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7632] <... mount resumed>) = 0 [pid 7628] +++ exited with 0 +++ [pid 7626] +++ exited with 0 +++ [pid 7632] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7630] <... mount resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7626, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7632] <... openat resumed>) = 3 [pid 7632] chdir("./bus") = 0 [pid 7632] ioctl(4, LOOP_CLR_FD) = 0 [pid 7632] close(4) = 0 [pid 7632] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7632] <... futex resumed>) = 1 [pid 7631] <... futex resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7632] mkdir("./file1", 000 [pid 7631] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7632] <... mkdir resumed>) = 0 [pid 7631] <... futex resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 7632] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] fstat(3, [pid 7632] <... futex resumed>) = 0 [pid 7631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7632] mkdir("./bus", 000 [pid 7631] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] getdents64(3, [pid 7632] <... mkdir resumed>) = 0 [pid 7631] <... futex resumed>) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7632] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7632] <... futex resumed>) = 0 [pid 7631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7632] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7631] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7631] <... futex resumed>) = 0 [pid 7632] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7631] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7635] <... mount resumed>) = 0 [pid 7635] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7635] chdir("./bus") = 0 [pid 7635] ioctl(4, LOOP_CLR_FD) = 0 [pid 7635] close(4) = 0 [pid 7635] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7635] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7634] <... futex resumed>) = 0 [pid 7634] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7635] <... futex resumed>) = 0 [pid 7635] mkdir("./file1", 000) = 0 [pid 7634] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7630] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7635] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7634] <... futex resumed>) = 0 [pid 7634] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] <... openat resumed>) = 3 [pid 7634] <... futex resumed>) = 0 [pid 7634] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7630] chdir("./bus") = 0 [pid 7635] mkdir("./bus", 000) = 0 [pid 7635] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7634] <... futex resumed>) = 0 [pid 7630] ioctl(4, LOOP_CLR_FD [pid 7634] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7634] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7630] <... ioctl resumed>) = 0 [ 174.274404][ T7635] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 174.288089][ T7630] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 174.299865][ T7635] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 174.327946][ T7632] overlayfs: upper fs needs to support d_type. [ 174.334187][ T7632] overlayfs: upper fs does not support tmpfile. [pid 7635] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7630] close(4) = 0 [pid 7630] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7629] <... futex resumed>) = 0 [pid 7630] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7629] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] <... futex resumed>) = 0 [pid 7629] <... futex resumed>) = 1 [pid 7630] mkdir("./file1", 000 [pid 7629] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7630] <... mkdir resumed>) = 0 [pid 7630] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7630] <... futex resumed>) = 0 [pid 7629] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] mkdir("./bus", 000) = 0 [pid 7629] <... futex resumed>) = 0 [pid 7630] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7629] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7630] <... futex resumed>) = 0 [pid 7630] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7629] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] <... futex resumed>) = 0 [pid 7629] <... futex resumed>) = 1 [pid 7630] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7629] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7631] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7631] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7631] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7631] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7640], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7640 [pid 7631] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7631] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = 0 [pid 7634] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7634] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7634] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7634] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7641], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7641 ./strace-static-x86_64: Process 7640 attached [pid 7634] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] set_robust_list(0x7f6a509d49e0, 24 [pid 7634] <... futex resumed>) = 0 [pid 7640] <... set_robust_list resumed>) = 0 [pid 7634] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7640] mkdir(".", 0777) = -1 EEXIST (File exists) [ 174.353301][ T7635] overlayfs: upper fs needs to support d_type. [ 174.366656][ T7630] overlayfs: upper fs needs to support d_type. [ 174.366857][ T7632] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 174.382746][ T7630] overlayfs: upper fs does not support tmpfile. [ 174.392594][ T7635] overlayfs: upper fs does not support tmpfile. [pid 4998] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7640] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7641 attached [pid 7629] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] lstat("./133/bus", [pid 7629] <... futex resumed>) = 0 [pid 7629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7629] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7629] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7642], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7642 [pid 7629] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7629] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7642 attached [pid 7642] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7642] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7642] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7641] set_robust_list(0x7f6a509d49e0, 24 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7641] <... set_robust_list resumed>) = 0 [pid 7641] mkdir(".", 0777 [pid 4998] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7641] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7641] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4998] openat(AT_FDCWD, "./133/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 174.410059][ T7635] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 174.421534][ T7640] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 174.432181][ T7635] overlayfs: failed to resolve './file0': -2 [ 174.443153][ T7630] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4 [pid 7635] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4998] <... close resumed>) = 0 [pid 7635] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] rmdir("./133/bus" [pid 7635] <... futex resumed>) = 0 [pid 7635] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] <... rmdir resumed>) = 0 [pid 4998] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7641] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7640] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7641] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] lstat("./133/binderfs", [pid 7641] <... futex resumed>) = 1 [pid 7640] <... futex resumed>) = 1 [pid 7634] <... futex resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7641] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7640] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7634] exit_group(0 [pid 4998] unlink("./133/binderfs" [pid 7634] <... exit_group resumed>) = ? [pid 7641] <... futex resumed>) = ? [pid 4998] <... unlink resumed>) = 0 [pid 7641] +++ exited with 0 +++ [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./133") = 0 [pid 4998] mkdir("./134", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7643 [pid 7631] <... futex resumed>) = 0 [pid 7635] <... futex resumed>) = ? [pid 7635] +++ exited with 0 +++ [pid 7634] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7634, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5000] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7643 attached [pid 7632] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7632] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7631] exit_group(0 [pid 7643] set_robust_list(0x5555564f86e0, 24 [pid 7642] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7640] <... futex resumed>) = ? [pid 7631] <... exit_group resumed>) = ? [pid 7643] <... set_robust_list resumed>) = 0 [pid 7640] +++ exited with 0 +++ [pid 7643] chdir("./134") = 0 [pid 7643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7642] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] <... prctl resumed>) = 0 [pid 7643] setpgid(0, 0 [pid 7642] <... futex resumed>) = 1 [pid 7629] <... futex resumed>) = 0 [pid 7643] <... setpgid resumed>) = 0 [pid 7642] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7632] +++ exited with 0 +++ [pid 7631] +++ exited with 0 +++ [pid 7643] write(3, "1000", 4) = 4 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7631, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7643] close(3) = 0 [pid 7643] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7643] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7643] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7643] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7643] <... clone resumed>, parent_tid=[7644], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7644 [pid 7643] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7643] <... futex resumed>) = 0 [pid 7643] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7644 attached [pid 7644] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7644] memfd_create("syzkaller", 0) = 3 [pid 7644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4997] <... openat resumed>) = 3 [pid 7644] <... mmap resumed>) = 0x7f6a505d5000 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7630] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7630] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7629] exit_group(0 [pid 7642] <... futex resumed>) = ? [pid 7629] <... exit_group resumed>) = ? [pid 7642] +++ exited with 0 +++ [pid 7630] <... futex resumed>) = ? [pid 7644] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7630] +++ exited with 0 +++ [pid 7629] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7629, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [ 174.455479][ T7641] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 174.460694][ T7632] overlayfs: failed to resolve './file0': -2 [ 174.479202][ T7642] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 174.503686][ T7630] overlayfs: failed to resolve './file0': -2 [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./133/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./133/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./133/bus") = 0 [pid 5000] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./133/binderfs", [pid 5001] <... umount2 resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] unlink("./133/binderfs") = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] getdents64(3, [pid 5001] lstat("./132/bus", [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] rmdir("./133" [pid 5001] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... rmdir resumed>) = 0 [pid 5000] mkdir("./134", 0777) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./132/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] <... openat resumed>) = 4 [pid 5000] <... openat resumed>) = 3 [pid 5001] fstat(4, [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] getdents64(4, [pid 5000] close(3 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] <... close resumed>) = 0 [pid 5001] getdents64(4, [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7645 [pid 5001] rmdir("./132/bus" [pid 4997] <... umount2 resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./132/bus", [pid 5001] lstat("./132/binderfs", ./strace-static-x86_64: Process 7645 attached [pid 7645] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7645] chdir("./134") = 0 [pid 7645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7645] setpgid(0, 0) = 0 [pid 7645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7645] write(3, "1000", 4 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7645] <... write resumed>) = 4 [pid 7645] close(3) = 0 [pid 7645] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] unlink("./132/binderfs" [pid 7645] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... unlink resumed>) = 0 [pid 7645] <... mmap resumed>) = 0x7f6a589d5000 [pid 7645] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7645] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./132" [pid 7645] <... clone resumed>, parent_tid=[7646], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7646 [pid 7645] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7645] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7646 attached [pid 7646] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7646] memfd_create("syzkaller", 0) = 3 [pid 5001] mkdir("./133", 0777 [pid 7646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 7644] <... write resumed>) = 4194304 [pid 5001] <... close resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./132/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7644] munmap(0x7f6a505d5000, 4194304 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7644] <... munmap resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7647 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, ./strace-static-x86_64: Process 7647 attached [pid 7647] set_robust_list(0x5555564f86e0, 24 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4 [pid 7644] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] <... close resumed>) = 0 [pid 7647] <... set_robust_list resumed>) = 0 [pid 7647] chdir("./133" [pid 4997] rmdir("./132/bus" [pid 7647] <... chdir resumed>) = 0 [pid 7647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 7647] setpgid(0, 0 [pid 7644] <... openat resumed>) = 4 [pid 4997] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7644] ioctl(4, LOOP_SET_FD, 3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7647] <... setpgid resumed>) = 0 [pid 7647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] lstat("./132/binderfs", [pid 7646] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./132/binderfs" [pid 7647] <... openat resumed>) = 3 [pid 4997] <... unlink resumed>) = 0 [pid 7647] write(3, "1000", 4) = 4 [pid 7647] close(3) = 0 [pid 4997] getdents64(3, [pid 7647] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3 [pid 7647] <... symlink resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 7647] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] rmdir("./132" [pid 7647] <... mmap resumed>) = 0x7f6a589d5000 [pid 7647] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./133", 0777 [pid 7647] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7648], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7648 [pid 7647] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7647] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7648 attached [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7648] set_robust_list(0x7f6a589f59e0, 24 [pid 4997] <... openat resumed>) = 3 [pid 7648] <... set_robust_list resumed>) = 0 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 7644] <... ioctl resumed>) = 0 [pid 7648] memfd_create("syzkaller", 0) = 3 [pid 7648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 7644] close(3 [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7644] <... close resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7649 [pid 7644] mkdir("./bus", 0777) = 0 [pid 7644] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7649 attached [pid 7649] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7649] chdir("./133") = 0 [pid 7649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7649] setpgid(0, 0) = 0 [pid 7649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7649] write(3, "1000", 4) = 4 [pid 7649] close(3) = 0 [pid 7649] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7649] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7649] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7649] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7651], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7651 [pid 7649] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7649] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7651 attached [pid 7651] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7651] memfd_create("syzkaller", 0) = 3 [pid 7651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 174.659212][ T7644] loop1: detected capacity change from 0 to 8192 [ 174.688685][ T7644] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7648] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7646] <... write resumed>) = 4194304 [pid 7646] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7646] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7646] ioctl(4, LOOP_SET_FD, 3 [pid 7651] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7646] <... ioctl resumed>) = 0 [ 174.713084][ T7644] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 174.734002][ T7644] REISERFS (device loop1): using ordered data mode [ 174.741224][ T7644] reiserfs: using flush barriers [ 174.746598][ T7646] loop3: detected capacity change from 0 to 8192 [pid 7646] close(3 [pid 7648] <... write resumed>) = 4194304 [pid 7648] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7648] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7648] ioctl(4, LOOP_SET_FD, 3 [pid 7646] <... close resumed>) = 0 [pid 7646] mkdir("./bus", 0777) = 0 [pid 7646] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7648] <... ioctl resumed>) = 0 [pid 7648] close(3) = 0 [ 174.754733][ T7644] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 174.765801][ T7648] loop4: detected capacity change from 0 to 8192 [ 174.771136][ T7644] REISERFS (device loop1): checking transaction log (loop1) [ 174.785925][ T7646] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 174.785943][ T7644] REISERFS (device loop1): Using r5 hash to sort names [pid 7648] mkdir("./bus", 0777) = 0 [pid 7648] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7644] <... mount resumed>) = 0 [pid 7644] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7644] chdir("./bus") = 0 [pid 7644] ioctl(4, LOOP_CLR_FD) = 0 [pid 7644] close(4) = 0 [pid 7644] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] <... futex resumed>) = 0 [pid 7643] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7643] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7644] <... futex resumed>) = 1 [pid 7644] mkdir("./file1", 000) = 0 [ 174.806172][ T7644] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 174.819962][ T7644] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 174.830321][ T7646] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 174.839788][ T7646] REISERFS (device loop3): using ordered data mode [ 174.846805][ T7646] reiserfs: using flush barriers [pid 7644] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7643] <... futex resumed>) = 0 [pid 7644] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7643] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7643] <... futex resumed>) = 0 [pid 7651] <... write resumed>) = 4194304 [pid 7644] mkdir("./bus", 000 [pid 7643] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7644] <... mkdir resumed>) = 0 [pid 7644] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7643] <... futex resumed>) = 0 [pid 7644] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7643] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7643] <... futex resumed>) = 0 [pid 7644] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7643] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7651] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7651] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7651] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7651] close(3) = 0 [ 174.852761][ T7646] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 174.869658][ T7648] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 174.883146][ T7648] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 174.891743][ T7651] loop0: detected capacity change from 0 to 8192 [ 174.892999][ T7648] REISERFS (device loop4): using ordered data mode [ 174.899608][ T7644] overlayfs: upper fs needs to support d_type. [pid 7651] mkdir("./bus", 0777) = 0 [pid 7651] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7643] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7643] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7643] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7643] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7655], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7655 [pid 7643] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7643] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7655 attached [pid 7655] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7655] mkdir(".", 0777) = -1 EEXIST (File exists) [ 174.905134][ T7648] reiserfs: using flush barriers [ 174.906040][ T7648] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 174.918234][ T7646] REISERFS (device loop3): checking transaction log (loop3) [ 174.933903][ T7644] overlayfs: upper fs does not support tmpfile. [ 174.944325][ T7648] REISERFS (device loop4): checking transaction log (loop4) [ 174.948184][ T7644] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 174.958119][ T7651] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 174.964389][ T7655] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 174.974466][ T7651] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 174.998435][ T7646] REISERFS (device loop3): Using r5 hash to sort names [ 174.998938][ T7648] REISERFS (device loop4): Using r5 hash to sort names [pid 7655] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7646] <... mount resumed>) = 0 [pid 7646] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7646] chdir("./bus") = 0 [pid 7646] ioctl(4, LOOP_CLR_FD) = 0 [ 175.005479][ T7646] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 175.025326][ T7648] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 175.025345][ T7651] REISERFS (device loop0): using ordered data mode [ 175.025356][ T7651] reiserfs: using flush barriers [ 175.049775][ T7646] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 175.051038][ T7644] overlayfs: failed to resolve './file0': -2 [pid 7646] close(4 [pid 7655] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7655] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7643] <... futex resumed>) = 0 [pid 7655] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7646] <... close resumed>) = 0 [pid 7646] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7645] <... futex resumed>) = 0 [pid 7645] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7645] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7646] <... futex resumed>) = 1 [pid 7646] mkdir("./file1", 000) = 0 [pid 7646] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7645] <... futex resumed>) = 0 [pid 7645] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7645] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7646] <... futex resumed>) = 1 [pid 7646] mkdir("./bus", 000) = 0 [pid 7646] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7645] <... futex resumed>) = 0 [pid 7645] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7648] <... mount resumed>) = 0 [pid 7646] <... futex resumed>) = 1 [pid 7645] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7644] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7648] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7644] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] exit_group(0 [pid 7648] <... openat resumed>) = 3 [pid 7643] <... exit_group resumed>) = ? [pid 7655] <... futex resumed>) = ? [pid 7648] chdir("./bus" [pid 7644] <... futex resumed>) = ? [pid 7655] +++ exited with 0 +++ [pid 7648] <... chdir resumed>) = 0 [pid 7648] ioctl(4, LOOP_CLR_FD) = 0 [pid 7648] close(4) = 0 [pid 7648] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7648] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7644] +++ exited with 0 +++ [pid 7643] +++ exited with 0 +++ [pid 7647] <... futex resumed>) = 0 [pid 7648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7647] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7643, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7648] mkdir("./file1", 000 [pid 7647] <... futex resumed>) = 0 [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 7648] <... mkdir resumed>) = 0 [pid 7647] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] <... restart_syscall resumed>) = 0 [pid 7648] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7647] <... futex resumed>) = 0 [pid 7648] mkdir("./bus", 000 [pid 7647] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7646] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 4998] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7648] <... mkdir resumed>) = 0 [pid 7647] <... futex resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7648] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7648] <... futex resumed>) = 0 [pid 7647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4998] <... openat resumed>) = 3 [pid 7648] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7647] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] fstat(3, [pid 7648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7647] <... futex resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7648] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 175.076084][ T7648] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 175.095179][ T7646] overlayfs: upper fs needs to support d_type. [ 175.103297][ T7651] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 175.105766][ T7646] overlayfs: upper fs does not support tmpfile. [pid 4998] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7647] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7645] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7645] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7645] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7645] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7656], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7656 [pid 7645] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7645] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7656 attached [ 175.126617][ T7648] overlayfs: upper fs needs to support d_type. [ 175.148536][ T7651] REISERFS (device loop0): checking transaction log (loop0) [ 175.149712][ T7646] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 175.156935][ T7651] REISERFS (device loop0): Using r5 hash to sort names [ 175.163392][ T7648] overlayfs: upper fs does not support tmpfile. [pid 7656] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7656] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7651] <... mount resumed>) = 0 [pid 7647] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7656] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7647] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7647] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [ 175.171118][ T7651] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 175.178011][ T7648] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 175.197343][ T7651] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 175.207979][ T7646] overlayfs: failed to resolve './file0': -2 [pid 7647] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7657], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7657 [pid 4998] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7657 attached [pid 7656] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7651] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7647] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7651] <... openat resumed>) = 3 [pid 7647] <... futex resumed>) = 0 [pid 7651] chdir("./bus" [pid 7647] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7651] <... chdir resumed>) = 0 [pid 7651] ioctl(4, LOOP_CLR_FD) = 0 [pid 7651] close(4) = 0 [pid 7651] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7649] <... futex resumed>) = 0 [pid 7651] mkdir("./file1", 000 [pid 7649] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7651] <... mkdir resumed>) = 0 [pid 7649] <... futex resumed>) = 0 [pid 7651] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7651] <... futex resumed>) = 0 [pid 7649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7651] mkdir("./bus", 000 [pid 7649] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7651] <... mkdir resumed>) = 0 [pid 7649] <... futex resumed>) = 0 [pid 7649] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7651] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7649] <... futex resumed>) = 0 [pid 7649] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7649] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7651] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7657] set_robust_list(0x7f6a509d49e0, 24 [pid 7656] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7657] <... set_robust_list resumed>) = 0 [pid 7656] <... futex resumed>) = 1 [pid 7645] <... futex resumed>) = 0 [pid 4998] lstat("./134/bus", [pid 7656] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7657] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7657] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./134/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [ 175.223856][ T7656] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 175.229357][ T7648] overlayfs: failed to resolve './file0': -2 [ 175.249086][ T7651] overlayfs: upper fs needs to support d_type. [ 175.258629][ T7651] overlayfs: upper fs does not support tmpfile. [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./134/bus") = 0 [pid 4998] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./134/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./134") = 0 [pid 7646] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4998] mkdir("./135", 0777 [pid 7646] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7648] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7646] <... futex resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 7648] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7646] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7648] <... futex resumed>) = 0 [pid 7645] exit_group(0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7656] <... futex resumed>) = ? [pid 7648] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7646] <... futex resumed>) = ? [pid 7645] <... exit_group resumed>) = ? [pid 7656] +++ exited with 0 +++ [pid 7646] +++ exited with 0 +++ [pid 7645] +++ exited with 0 +++ [pid 4998] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3 [pid 7649] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7649] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7645, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7658 [pid 7649] <... futex resumed>) = 0 [pid 5000] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7658 attached [pid 7649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7658] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7649] <... mmap resumed>) = 0x7f6a509b4000 [pid 5000] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7649] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... openat resumed>) = 3 [pid 7658] chdir("./135" [pid 7649] <... mprotect resumed>) = 0 [pid 5000] fstat(3, [pid 7658] <... chdir resumed>) = 0 [pid 7658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7649] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7658] <... prctl resumed>) = 0 [pid 5000] getdents64(3, [pid 7658] setpgid(0, 0 [pid 7649] <... clone resumed>, parent_tid=[7659], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7659 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7649] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7658] <... setpgid resumed>) = 0 [pid 7649] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7658] write(3, "1000", 4) = 4 [pid 7658] close(3) = 0 [pid 7658] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7658] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7658] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7658] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7659 attached , parent_tid=[7660], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7660 [pid 7658] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7658] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7657] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7657] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7657] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7659] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7659] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7659] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7660 attached [pid 7647] <... futex resumed>) = 0 [pid 7647] exit_group(0) = ? [pid 7660] set_robust_list(0x7f6a589f59e0, 24 [pid 7648] <... futex resumed>) = ? [pid 7648] +++ exited with 0 +++ [pid 7660] <... set_robust_list resumed>) = 0 [pid 7660] memfd_create("syzkaller", 0) = 3 [ 175.272410][ T7657] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 175.282215][ T7651] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 175.316157][ T7651] overlayfs: failed to resolve './file0': -2 [pid 7660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7657] <... futex resumed>) = ? [pid 7657] +++ exited with 0 +++ [pid 7647] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7647, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7651] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7651] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7651] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] <... umount2 resumed>) = 0 [pid 7659] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7659] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7649] <... futex resumed>) = 0 [pid 5000] lstat("./134/bus", [pid 7659] <... futex resumed>) = 1 [pid 7649] exit_group(0 [pid 7651] <... futex resumed>) = ? [pid 7649] <... exit_group resumed>) = ? [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7659] +++ exited with 0 +++ [pid 7651] +++ exited with 0 +++ [pid 7649] +++ exited with 0 +++ [pid 5000] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7649, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5000] openat(AT_FDCWD, "./134/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] getdents64(4, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] close(4 [pid 4997] <... openat resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 4997] fstat(3, [pid 5000] rmdir("./134/bus" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, [pid 5000] <... rmdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./134/binderfs" [pid 7660] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... unlink resumed>) = 0 [ 175.328504][ T7659] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./134") = 0 [pid 5000] mkdir("./135", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7661 ./strace-static-x86_64: Process 7661 attached [pid 7661] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7661] chdir("./135") = 0 [pid 7661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7661] setpgid(0, 0) = 0 [pid 7661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7661] write(3, "1000", 4) = 4 [pid 7661] close(3) = 0 [pid 7661] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7661] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7661] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7661] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7662], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7662 [pid 7661] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7661] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7662 attached [pid 5001] <... umount2 resumed>) = 0 [pid 7662] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 5001] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./133/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7662] memfd_create("syzkaller", 0 [pid 4997] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./133/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./133/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, [pid 4997] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./133/bus" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... rmdir resumed>) = 0 [pid 5001] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./133/binderfs" [pid 4997] openat(AT_FDCWD, "./133/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... unlink resumed>) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./133" [pid 7662] <... memfd_create resumed>) = 3 [pid 4997] <... openat resumed>) = 4 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./134", 0777 [pid 7662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 4997] fstat(4, [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 7660] <... write resumed>) = 4194304 [pid 5001] <... close resumed>) = 0 [pid 7660] munmap(0x7f6a505d5000, 4194304 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./133/bus" [pid 7660] <... munmap resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7660] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7660] <... openat resumed>) = 4 [pid 4997] lstat("./133/binderfs", [pid 7660] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7663 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./133/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./133") = 0 [pid 4997] mkdir("./134", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7660] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 7663 attached [pid 7660] close(3) = 0 [pid 7660] mkdir("./bus", 0777 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7664 [pid 7660] <... mkdir resumed>) = 0 [pid 7663] set_robust_list(0x5555564f86e0, 24 [pid 7660] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7663] <... set_robust_list resumed>) = 0 [pid 7663] chdir("./134") = 0 [pid 7663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7664 attached [pid 7663] setpgid(0, 0) = 0 [pid 7663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7663] write(3, "1000", 4) = 4 [pid 7664] set_robust_list(0x5555564f86e0, 24 [pid 7663] close(3 [pid 7664] <... set_robust_list resumed>) = 0 [pid 7663] <... close resumed>) = 0 [pid 7663] symlink("/dev/binderfs", "./binderfs" [pid 7664] chdir("./134" [pid 7663] <... symlink resumed>) = 0 [pid 7663] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7664] <... chdir resumed>) = 0 [pid 7663] <... futex resumed>) = 0 [pid 7664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7664] <... prctl resumed>) = 0 [pid 7663] <... mmap resumed>) = 0x7f6a589d5000 [pid 7664] setpgid(0, 0 [pid 7663] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7664] <... setpgid resumed>) = 0 [pid 7663] <... mprotect resumed>) = 0 [pid 7664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7663] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7664] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7666 attached [pid 7664] write(3, "1000", 4 [pid 7663] <... clone resumed>, parent_tid=[7666], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7666 [pid 7662] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7664] <... write resumed>) = 4 [pid 7663] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7664] close(3 [pid 7663] <... futex resumed>) = 0 [pid 7664] <... close resumed>) = 0 [pid 7664] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7664] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7664] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7664] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7667], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7667 [pid 7664] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7664] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7667 attached [pid 7667] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7667] memfd_create("syzkaller", 0) = 3 [pid 7667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7663] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7666] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7666] memfd_create("syzkaller", 0) = 3 [pid 7666] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 175.468971][ T7660] loop1: detected capacity change from 0 to 8192 [ 175.494910][ T7660] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7662] <... write resumed>) = 4194304 [pid 7662] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7662] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7662] ioctl(4, LOOP_SET_FD, 3 [pid 7667] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7666] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7662] <... ioctl resumed>) = 0 [pid 7662] close(3) = 0 [ 175.533423][ T7660] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 175.548257][ T7662] loop3: detected capacity change from 0 to 8192 [ 175.561278][ T7660] REISERFS (device loop1): using ordered data mode [ 175.568981][ T7660] reiserfs: using flush barriers [pid 7662] mkdir("./bus", 0777 [pid 7666] <... write resumed>) = 4194304 [pid 7662] <... mkdir resumed>) = 0 [pid 7666] munmap(0x7f6a505d5000, 4194304 [pid 7662] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7667] <... write resumed>) = 4194304 [pid 7667] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7667] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7667] ioctl(4, LOOP_SET_FD, 3 [pid 7666] <... munmap resumed>) = 0 [pid 7667] <... ioctl resumed>) = 0 [pid 7667] close(3) = 0 [pid 7667] mkdir("./bus", 0777) = 0 [pid 7667] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7666] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 175.576200][ T7660] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 175.594497][ T7660] REISERFS (device loop1): checking transaction log (loop1) [ 175.594599][ T7662] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 175.613929][ T7667] loop0: detected capacity change from 0 to 8192 [ 175.616330][ T7662] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7666] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7666] close(3) = 0 [pid 7666] mkdir("./bus", 0777) = 0 [ 175.625320][ T7666] loop4: detected capacity change from 0 to 8192 [ 175.631510][ T7662] REISERFS (device loop3): using ordered data mode [ 175.640717][ T7660] REISERFS (device loop1): Using r5 hash to sort names [ 175.644189][ T7662] reiserfs: using flush barriers [ 175.655338][ T7667] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 175.668771][ T7666] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 175.669310][ T7667] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 175.682434][ T7660] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 175.691141][ T7662] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 175.719736][ T7666] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 175.719831][ T7666] REISERFS (device loop4): using ordered data mode [ 175.729527][ T7660] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 175.735739][ T7666] reiserfs: using flush barriers [ 175.745048][ T7667] REISERFS (device loop0): using ordered data mode [ 175.750549][ T7666] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 175.772448][ T7667] reiserfs: using flush barriers [ 175.772498][ T7666] REISERFS (device loop4): checking transaction log (loop4) [pid 7666] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7660] <... mount resumed>) = 0 [pid 7660] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7660] chdir("./bus") = 0 [pid 7660] ioctl(4, LOOP_CLR_FD) = 0 [pid 7660] close(4) = 0 [pid 7660] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] <... futex resumed>) = 0 [pid 7658] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7658] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] <... futex resumed>) = 1 [pid 7660] mkdir("./file1", 000) = 0 [pid 7660] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] <... futex resumed>) = 0 [pid 7658] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7658] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] <... futex resumed>) = 1 [pid 7660] mkdir("./bus", 000) = 0 [pid 7660] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] <... futex resumed>) = 0 [pid 7658] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7658] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] <... futex resumed>) = 1 [ 175.779632][ T7667] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 175.785469][ T7666] REISERFS (device loop4): Using r5 hash to sort names [ 175.810135][ T7660] overlayfs: upper fs needs to support d_type. [ 175.818180][ T7662] REISERFS (device loop3): checking transaction log (loop3) [pid 7660] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7658] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7658] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7658] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7671], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7671 [pid 7658] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7658] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7671 attached [pid 7666] <... mount resumed>) = 0 [ 175.818882][ T7666] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 175.826498][ T7660] overlayfs: upper fs does not support tmpfile. [ 175.838979][ T7666] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 175.846163][ T7662] REISERFS (device loop3): Using r5 hash to sort names [ 175.865504][ T7667] REISERFS (device loop0): checking transaction log (loop0) [ 175.867428][ T7660] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7671] set_robust_list(0x7f6a509d49e0, 24 [pid 7666] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7671] <... set_robust_list resumed>) = 0 [pid 7666] <... openat resumed>) = 3 [pid 7671] mkdir(".", 0777 [pid 7666] chdir("./bus" [pid 7662] <... mount resumed>) = 0 [pid 7671] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7666] <... chdir resumed>) = 0 [pid 7671] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7666] ioctl(4, LOOP_CLR_FD) = 0 [pid 7666] close(4) = 0 [pid 7660] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7666] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] <... futex resumed>) = 1 [pid 7660] <... futex resumed>) = 0 [pid 7666] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7660] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7662] chdir("./bus") = 0 [pid 7662] ioctl(4, LOOP_CLR_FD) = 0 [pid 7662] close(4) = 0 [pid 7663] <... futex resumed>) = 0 [pid 7663] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] <... futex resumed>) = 0 [pid 7663] <... futex resumed>) = 1 [pid 7666] mkdir("./file1", 000 [pid 7663] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7666] <... mkdir resumed>) = 0 [pid 7666] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7666] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7663] <... futex resumed>) = 0 [pid 7663] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] <... futex resumed>) = 0 [pid 7663] <... futex resumed>) = 1 [pid 7666] mkdir("./bus", 000) = 0 [pid 7663] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7666] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7666] <... futex resumed>) = 0 [pid 7663] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [ 175.874142][ T7662] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 175.881636][ T7660] overlayfs: failed to resolve './file0': -2 [ 175.893882][ T7662] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 175.909145][ T7667] REISERFS (device loop0): Using r5 hash to sort names [ 175.916673][ T7667] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7666] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7663] <... futex resumed>) = 0 [pid 7663] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7662] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7661] <... futex resumed>) = 0 [pid 7661] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7661] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7662] mkdir("./file1", 000) = 0 [pid 7662] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7662] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7671] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7661] <... futex resumed>) = 0 [pid 7661] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7671] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7671] <... futex resumed>) = 1 [pid 7662] <... futex resumed>) = 0 [pid 7658] <... futex resumed>) = 0 [pid 7662] mkdir("./bus", 000 [pid 7658] exit_group(0 [pid 7671] ???( [pid 7658] <... exit_group resumed>) = ? [pid 7671] <... ??? resumed>) = ? [pid 7662] <... mkdir resumed>) = 0 [pid 7660] <... futex resumed>) = ? [pid 7671] +++ exited with 0 +++ [pid 7662] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] +++ exited with 0 +++ [pid 7658] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7658, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7662] <... futex resumed>) = 1 [pid 7661] <... futex resumed>) = 0 [pid 7662] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7661] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7661] <... futex resumed>) = 0 [pid 4998] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [ 175.936483][ T7671] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 175.936524][ T7666] overlayfs: upper fs needs to support d_type. [ 175.961401][ T7667] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 175.969848][ T7666] overlayfs: upper fs does not support tmpfile. [pid 7662] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7661] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7667] <... mount resumed>) = 0 [pid 7667] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 4998] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7667] <... openat resumed>) = 3 [pid 7663] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] <... openat resumed>) = 3 [pid 7667] chdir("./bus" [pid 7663] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] fstat(3, [pid 7667] <... chdir resumed>) = 0 [pid 7663] <... futex resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7667] ioctl(4, LOOP_CLR_FD [pid 7663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] getdents64(3, [pid 7667] <... ioctl resumed>) = 0 [pid 7663] <... mmap resumed>) = 0x7f6a509b4000 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7667] close(4 [pid 7663] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4998] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7667] <... close resumed>) = 0 [pid 7663] <... mprotect resumed>) = 0 [pid 7667] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7663] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7667] <... futex resumed>) = 1 [pid 7667] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7663] <... clone resumed>, parent_tid=[7672], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7672 [pid 7663] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7663] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7672 attached [pid 7664] <... futex resumed>) = 0 [pid 7672] set_robust_list(0x7f6a509d49e0, 24 [pid 7664] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7672] <... set_robust_list resumed>) = 0 [pid 7664] <... futex resumed>) = 1 [pid 7672] mkdir(".", 0777 [pid 7664] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7672] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7672] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7667] <... futex resumed>) = 0 [pid 7667] mkdir("./file1", 000) = 0 [pid 7667] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7664] <... futex resumed>) = 0 [ 175.986216][ T7662] overlayfs: upper fs needs to support d_type. [ 175.990583][ T7666] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 175.994023][ T7662] overlayfs: upper fs does not support tmpfile. [ 176.000809][ T7666] overlayfs: failed to resolve './file0': -2 [ 176.007705][ T7662] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 176.020419][ T7662] overlayfs: failed to resolve './file0': -2 [pid 7667] mkdir("./bus", 000 [pid 7664] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7664] <... futex resumed>) = 0 [pid 7664] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7672] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7672] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7672] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7667] <... mkdir resumed>) = 0 [pid 7661] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7663] <... futex resumed>) = 0 [pid 7661] <... futex resumed>) = 0 [pid 7667] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7662] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7667] <... futex resumed>) = 1 [pid 7666] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7664] <... futex resumed>) = 0 [pid 7662] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] <... futex resumed>) = 0 [pid 7664] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7662] <... futex resumed>) = 0 [pid 7666] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7664] <... futex resumed>) = 0 [pid 7662] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7664] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7661] <... mmap resumed>) = 0x7f6a509b4000 [pid 7663] exit_group(0 [pid 7667] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7666] <... futex resumed>) = ? [pid 7663] <... exit_group resumed>) = ? [pid 7661] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7672] <... futex resumed>) = ? [pid 7672] +++ exited with 0 +++ [pid 7666] +++ exited with 0 +++ [pid 7663] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7663, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} --- [pid 7661] <... mprotect resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 7661] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... restart_syscall resumed>) = 0 [pid 7661] <... clone resumed>, parent_tid=[7673], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7673 [pid 7661] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5001] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7661] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7673 attached [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7673] set_robust_list(0x7f6a509d49e0, 24 [pid 5001] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7673] <... set_robust_list resumed>) = 0 [pid 7673] mkdir(".", 0777) = -1 EEXIST (File exists) [ 176.038698][ T7672] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 176.062249][ T7667] overlayfs: upper fs needs to support d_type. [ 176.070615][ T7667] overlayfs: upper fs does not support tmpfile. [pid 7673] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7673] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7664] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7664] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7673] <... futex resumed>) = 1 [pid 7664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7661] <... futex resumed>) = 0 [pid 7673] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7664] <... mmap resumed>) = 0x7f6a509b4000 [pid 7661] exit_group(0 [pid 7664] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7673] <... futex resumed>) = ? [pid 7664] <... mprotect resumed>) = 0 [pid 7662] <... futex resumed>) = ? [pid 7661] <... exit_group resumed>) = ? [pid 7673] +++ exited with 0 +++ [pid 7664] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7662] +++ exited with 0 +++ [pid 7664] <... clone resumed>, parent_tid=[7674], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7674 [pid 7661] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7661, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 7664] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7664] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = 0 [pid 5000] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... openat resumed>) = 3 [pid 4998] lstat("./135/bus", [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7674 attached [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7674] set_robust_list(0x7f6a509d49e0, 24 [pid 4998] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7674] <... set_robust_list resumed>) = 0 [pid 7674] mkdir(".", 0777 [pid 7667] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7674] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4998] openat(AT_FDCWD, "./135/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7674] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7667] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... openat resumed>) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [ 176.087967][ T7673] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 176.089398][ T7667] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 176.125256][ T7667] overlayfs: failed to resolve './file0': -2 [pid 4998] close(4 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./134/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./134/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./134/bus") = 0 [pid 5001] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./134/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./134" [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./135/bus" [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./135", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4998] <... rmdir resumed>) = 0 [pid 7667] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7667] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] lstat("./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./135/binderfs") = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7675 ./strace-static-x86_64: Process 7675 attached [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 7675] set_robust_list(0x5555564f86e0, 24 [pid 4998] rmdir("./135" [pid 7675] <... set_robust_list resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4998] mkdir("./136", 0777) = 0 [pid 7675] chdir("./135" [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7675] <... chdir resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 7675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] ioctl(3, LOOP_CLR_FD [pid 7675] <... prctl resumed>) = 0 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] close(3 [pid 7675] setpgid(0, 0 [pid 7674] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7676 [pid 7674] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7664] <... futex resumed>) = 0 [pid 7664] exit_group(0 [pid 7667] <... futex resumed>) = ? [pid 7664] <... exit_group resumed>) = ? [pid 7667] +++ exited with 0 +++ [pid 7675] <... setpgid resumed>) = 0 [pid 7675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7675] write(3, "1000", 4) = 4 [pid 7675] close(3./strace-static-x86_64: Process 7676 attached [pid 7676] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7676] chdir("./136") = 0 [pid 7676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7675] <... close resumed>) = 0 [pid 7675] symlink("/dev/binderfs", "./binderfs" [pid 7676] <... prctl resumed>) = 0 [pid 7676] setpgid(0, 0) = 0 [pid 7676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7675] <... symlink resumed>) = 0 [pid 7675] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] write(3, "1000", 4) = 4 [pid 7675] <... futex resumed>) = 0 [pid 7676] close(3 [pid 7675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7676] <... close resumed>) = 0 [pid 7675] <... mmap resumed>) = 0x7f6a589d5000 [pid 7674] +++ exited with 0 +++ [pid 7664] +++ exited with 0 +++ [pid 7675] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7676] symlink("/dev/binderfs", "./binderfs" [pid 7675] <... mprotect resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7664, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 7676] <... symlink resumed>) = 0 [pid 7675] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7676] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7675] <... clone resumed>, parent_tid=[7677], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7677 [pid 7676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7675] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] <... mmap resumed>) = 0x7f6a589d5000 [pid 7675] <... futex resumed>) = 0 [pid 7676] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7675] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7676] <... mprotect resumed>) = 0 [pid 4997] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7676] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7676] <... clone resumed>, parent_tid=[7678], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7678 [pid 7676] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7676] <... futex resumed>) = 0 [pid 7676] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... openat resumed>) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 7677 attached [pid 7677] set_robust_list(0x7f6a589f59e0, 24 [ 176.146512][ T7674] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7677] <... set_robust_list resumed>) = 0 [pid 7677] memfd_create("syzkaller", 0) = 3 [pid 7677] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7678 attached [pid 7678] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7678] memfd_create("syzkaller", 0) = 3 [pid 7678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7677] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./135/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./135/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./135/bus") = 0 [pid 5000] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./135/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./135") = 0 [pid 5000] mkdir("./136", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7679 ./strace-static-x86_64: Process 7679 attached [pid 7679] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7679] chdir("./136") = 0 [pid 7679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7679] setpgid(0, 0) = 0 [pid 7679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./134/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./134/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 7679] <... openat resumed>) = 3 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, [pid 7678] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./134/bus" [pid 7679] write(3, "1000", 4 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./134/binderfs" [pid 7679] <... write resumed>) = 4 [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7679] close(3 [pid 4997] close(3 [pid 7679] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 7679] symlink("/dev/binderfs", "./binderfs" [pid 4997] rmdir("./134" [pid 7679] <... symlink resumed>) = 0 [pid 7679] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 7679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] mkdir("./135", 0777 [pid 7679] <... mmap resumed>) = 0x7f6a589d5000 [pid 7679] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 7679] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7679] <... clone resumed>, parent_tid=[7680], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7680 [pid 7679] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... openat resumed>) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 7679] <... futex resumed>) = 0 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7679] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] close(3) = 0 ./strace-static-x86_64: Process 7680 attached [pid 7680] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7680] memfd_create("syzkaller", 0) = 3 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7680] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7681 [pid 7680] <... mmap resumed>) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7681 attached [pid 7681] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7681] chdir("./135") = 0 [pid 7681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7681] setpgid(0, 0) = 0 [pid 7681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7681] write(3, "1000", 4) = 4 [pid 7681] close(3) = 0 [pid 7681] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7681] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7677] <... write resumed>) = 4194304 [pid 7681] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7677] munmap(0x7f6a505d5000, 4194304 [pid 7681] <... mprotect resumed>) = 0 [pid 7681] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7677] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7682 attached [pid 7681] <... clone resumed>, parent_tid=[7682], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7682 [pid 7678] <... write resumed>) = 4194304 [pid 7677] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7682] set_robust_list(0x7f6a589f59e0, 24 [pid 7681] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] munmap(0x7f6a505d5000, 4194304 [pid 7677] <... openat resumed>) = 4 [pid 7682] <... set_robust_list resumed>) = 0 [pid 7681] <... futex resumed>) = 0 [pid 7681] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7678] <... munmap resumed>) = 0 [pid 7677] ioctl(4, LOOP_SET_FD, 3 [pid 7682] memfd_create("syzkaller", 0) = 3 [pid 7678] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7680] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7677] <... ioctl resumed>) = 0 [pid 7678] <... openat resumed>) = 4 [pid 7682] <... mmap resumed>) = 0x7f6a505d5000 [pid 7678] ioctl(4, LOOP_SET_FD, 3 [pid 7677] close(3) = 0 [pid 7677] mkdir("./bus", 0777) = 0 [pid 7677] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7678] <... ioctl resumed>) = 0 [pid 7678] close(3) = 0 [pid 7678] mkdir("./bus", 0777) = 0 [pid 7678] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7680] <... write resumed>) = 4194304 [pid 7680] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7680] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 176.345476][ T7677] loop4: detected capacity change from 0 to 8192 [ 176.358024][ T7678] loop1: detected capacity change from 0 to 8192 [ 176.377796][ T7678] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7680] ioctl(4, LOOP_SET_FD, 3 [pid 7682] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7680] <... ioctl resumed>) = 0 [pid 7680] close(3) = 0 [pid 7680] mkdir("./bus", 0777) = 0 [ 176.391282][ T7677] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 176.392807][ T7680] loop3: detected capacity change from 0 to 8192 [ 176.411290][ T7677] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 176.416350][ T7680] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 176.427202][ T7678] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7680] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7682] <... write resumed>) = 4194304 [ 176.434342][ T7680] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 176.452238][ T7677] REISERFS (device loop4): using ordered data mode [ 176.452243][ T7680] REISERFS (device loop3): using ordered data mode [ 176.452252][ T7680] reiserfs: using flush barriers [ 176.452987][ T7680] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 176.462879][ T7677] reiserfs: using flush barriers [pid 7682] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7682] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 176.471309][ T7680] REISERFS (device loop3): checking transaction log (loop3) [ 176.498781][ T7677] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 176.499536][ T7678] REISERFS (device loop1): using ordered data mode [ 176.516899][ T7677] REISERFS (device loop4): checking transaction log (loop4) [ 176.522057][ T7678] reiserfs: using flush barriers [ 176.529982][ T7677] REISERFS (device loop4): Using r5 hash to sort names [pid 7682] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7677] <... mount resumed>) = 0 [ 176.536664][ T7682] loop0: detected capacity change from 0 to 8192 [ 176.541377][ T7677] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 176.547930][ T7680] REISERFS (device loop3): Using r5 hash to sort names [ 176.560362][ T7677] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 176.567300][ T7678] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7682] close(3 [pid 7677] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7682] <... close resumed>) = 0 [pid 7680] <... mount resumed>) = 0 [pid 7677] <... openat resumed>) = 3 [pid 7682] mkdir("./bus", 0777 [pid 7677] chdir("./bus" [pid 7682] <... mkdir resumed>) = 0 [pid 7677] <... chdir resumed>) = 0 [pid 7682] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7677] ioctl(4, LOOP_CLR_FD) = 0 [pid 7677] close(4) = 0 [pid 7677] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7677] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7680] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7680] chdir("./bus") = 0 [pid 7680] ioctl(4, LOOP_CLR_FD) = 0 [pid 7680] close(4) = 0 [pid 7680] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7679] <... futex resumed>) = 0 [pid 7675] <... futex resumed>) = 0 [pid 7680] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7679] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7680] mkdir("./file1", 000) = 0 [ 176.576743][ T7680] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 176.593182][ T7678] REISERFS (device loop1): checking transaction log (loop1) [ 176.605302][ T7680] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 176.613456][ T7678] REISERFS (device loop1): Using r5 hash to sort names [ 176.629182][ T7678] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7680] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] <... futex resumed>) = 0 [pid 7678] <... mount resumed>) = 0 [pid 7677] <... futex resumed>) = 0 [pid 7675] <... futex resumed>) = 1 [pid 7678] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7678] chdir("./bus") = 0 [pid 7678] ioctl(4, LOOP_CLR_FD) = 0 [pid 7678] close(4) = 0 [pid 7678] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7678] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7680] <... futex resumed>) = 0 [pid 7680] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7675] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7676] <... futex resumed>) = 0 [pid 7679] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7677] mkdir("./file1", 000 [pid 7676] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] <... mkdir resumed>) = 0 [pid 7679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7678] <... futex resumed>) = 0 [pid 7676] <... futex resumed>) = 1 [pid 7678] mkdir("./file1", 000) = 0 [pid 7676] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7679] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7679] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7678] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] <... futex resumed>) = 1 [pid 7676] <... futex resumed>) = 0 [pid 7677] <... futex resumed>) = 1 [pid 7675] <... futex resumed>) = 0 [pid 7676] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] mkdir("./bus", 000 [pid 7676] <... futex resumed>) = 0 [pid 7675] <... futex resumed>) = 0 [pid 7677] mkdir("./bus", 000 [pid 7676] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7675] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7678] <... mkdir resumed>) = 0 [pid 7677] <... mkdir resumed>) = 0 [pid 7680] <... futex resumed>) = 0 [pid 7678] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] <... futex resumed>) = 1 [pid 7676] <... futex resumed>) = 0 [pid 7677] <... futex resumed>) = 1 [pid 7675] <... futex resumed>) = 0 [pid 7678] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7677] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7676] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] mkdir("./bus", 000 [pid 7676] <... futex resumed>) = 0 [pid 7675] <... futex resumed>) = 0 [ 176.643521][ T7678] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 176.647709][ T7682] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 176.670377][ T7682] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 176.681185][ T7682] REISERFS (device loop0): using ordered data mode [ 176.682696][ T7677] overlayfs: upper fs needs to support d_type. [pid 7680] <... mkdir resumed>) = 0 [pid 7676] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7675] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7679] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7679] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7679] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7679] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7687], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7687 [pid 7679] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7679] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7687 attached [pid 7687] set_robust_list(0x7f6a509d49e0, 24 [pid 7680] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7680] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7687] <... set_robust_list resumed>) = 0 [ 176.688312][ T7682] reiserfs: using flush barriers [ 176.695070][ T7678] overlayfs: upper fs needs to support d_type. [ 176.703151][ T7677] overlayfs: upper fs does not support tmpfile. [ 176.705380][ T7682] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 176.712024][ T7677] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 176.735488][ T7677] overlayfs: failed to resolve './file0': -2 [pid 7687] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7676] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7676] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7676] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7676] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7688], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7688 [pid 7676] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7676] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7688 attached [pid 7688] set_robust_list(0x7f6a509d49e0, 24 [pid 7677] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7688] <... set_robust_list resumed>) = 0 [pid 7677] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7688] mkdir(".", 0777 [pid 7677] <... futex resumed>) = 1 [pid 7675] <... futex resumed>) = 0 [pid 7688] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7677] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7675] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7675] <... futex resumed>) = 0 [pid 7679] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7680] <... futex resumed>) = 0 [pid 7679] <... futex resumed>) = 1 [pid 7680] mkdir(".", 0777 [pid 7679] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7680] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7680] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7688] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 176.748611][ T7687] overlayfs: upper fs needs to support d_type. [ 176.751497][ T7678] overlayfs: upper fs does not support tmpfile. [ 176.761994][ T7678] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 176.769135][ T7687] overlayfs: upper fs does not support tmpfile. [ 176.770748][ T7678] overlayfs: failed to resolve './file0': -2 [pid 7677] mkdir(".", 0777 [pid 7680] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7678] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7677] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7688] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7680] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7680] <... futex resumed>) = 1 [pid 7678] <... futex resumed>) = 0 [pid 7680] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7678] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7688] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7688] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7679] <... futex resumed>) = 0 [pid 7676] <... futex resumed>) = 0 [pid 7676] exit_group(0) = ? [ 176.788553][ T7680] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 176.792225][ T7682] REISERFS (device loop0): checking transaction log (loop0) [ 176.804569][ T7687] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 176.813287][ T7688] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 176.819350][ T7687] overlayfs: failed to resolve './file0': -2 [ 176.834724][ T7682] REISERFS (device loop0): Using r5 hash to sort names [pid 7688] <... futex resumed>) = ? [pid 7678] <... futex resumed>) = ? [pid 7677] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7688] +++ exited with 0 +++ [pid 7687] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7687] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7687] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7677] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] <... futex resumed>) = 0 [pid 7678] +++ exited with 0 +++ [pid 7676] +++ exited with 0 +++ [pid 7675] exit_group(0 [pid 7679] exit_group(0 [pid 7675] <... exit_group resumed>) = ? [pid 7677] <... futex resumed>) = ? [pid 7677] +++ exited with 0 +++ [pid 7675] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7675, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5001] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7687] <... futex resumed>) = ? [pid 7679] <... exit_group resumed>) = ? [pid 7687] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7676, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 4998] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7680] <... futex resumed>) = ? [pid 4998] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7682] <... mount resumed>) = 0 [pid 7682] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7680] +++ exited with 0 +++ [pid 7679] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7679, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5000] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7682] chdir("./bus") = 0 [pid 7682] ioctl(4, LOOP_CLR_FD) = 0 [pid 7682] close(4) = 0 [pid 7682] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7681] <... futex resumed>) = 0 [pid 7682] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7681] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7681] <... futex resumed>) = 0 [pid 7682] mkdir("./file1", 000 [pid 7681] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7682] <... mkdir resumed>) = 0 [pid 7682] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7681] <... futex resumed>) = 0 [pid 7682] mkdir("./bus", 000 [pid 7681] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7682] <... mkdir resumed>) = 0 [pid 7681] <... futex resumed>) = 0 [pid 7682] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7681] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7682] <... futex resumed>) = 0 [pid 7682] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7681] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7682] <... futex resumed>) = 0 [pid 7681] <... futex resumed>) = 1 [pid 7682] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 176.844043][ T7677] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 176.845722][ T7682] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 176.875080][ T7682] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7681] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7681] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7681] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7681] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7689], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7689 [pid 7681] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7681] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7689 attached [pid 7689] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7689] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7689] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] <... umount2 resumed>) = 0 [ 176.909193][ T7682] overlayfs: upper fs needs to support d_type. [ 176.915430][ T7682] overlayfs: upper fs does not support tmpfile. [ 176.928162][ T7682] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 176.945698][ T7682] overlayfs: failed to resolve './file0': -2 [pid 4998] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./136/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./136/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4 [pid 7689] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 7689] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7682] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./135/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./135/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, [pid 5000] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] close(4 [pid 5000] lstat("./136/bus", [pid 5001] <... close resumed>) = 0 [pid 5001] rmdir("./135/bus" [pid 7689] <... futex resumed>) = 1 [pid 7682] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7681] <... futex resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] rmdir("./136/bus" [pid 7681] exit_group(0 [pid 5001] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7682] <... futex resumed>) = ? [pid 7681] <... exit_group resumed>) = ? [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7682] +++ exited with 0 +++ [pid 5001] lstat("./135/binderfs", [pid 5000] openat(AT_FDCWD, "./136/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... openat resumed>) = 4 [pid 5001] unlink("./135/binderfs" [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5000] getdents64(4, [pid 5001] getdents64(3, [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] getdents64(4, [pid 5001] close(3 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] close(4 [pid 5001] rmdir("./135" [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./136/bus" [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5001] mkdir("./136", 0777 [pid 5000] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] unlink("./136/binderfs" [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] <... unlink resumed>) = 0 [pid 5000] getdents64(3, [pid 5001] <... openat resumed>) = 3 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] close(3 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] <... close resumed>) = 0 [pid 5001] close(3 [pid 5000] rmdir("./136" [pid 4998] <... rmdir resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] mkdir("./137", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7690 ./strace-static-x86_64: Process 7690 attached [pid 7690] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7690] chdir("./137") = 0 [pid 7690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7690] setpgid(0, 0) = 0 [pid 7690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7690] write(3, "1000", 4) = 4 [pid 7690] close(3) = 0 [pid 7690] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7690] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7690] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5001] <... close resumed>) = 0 [pid 7690] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7690] <... clone resumed>, parent_tid=[7691], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7691 [pid 7690] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7690] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7691 attached [pid 7691] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7691] memfd_create("syzkaller", 0) = 3 [pid 7691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7692 [pid 4998] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./136/binderfs"./strace-static-x86_64: Process 7692 attached ) = 0 [pid 4998] getdents64(3, [pid 7692] set_robust_list(0x5555564f86e0, 24 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./136" [pid 7692] <... set_robust_list resumed>) = 0 [pid 7689] +++ exited with 0 +++ [pid 7681] +++ exited with 0 +++ [pid 7692] chdir("./136" [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7681, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 7692] <... chdir resumed>) = 0 [pid 4997] <... restart_syscall resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 7692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4998] mkdir("./137", 0777 [pid 7692] setpgid(0, 0 [pid 4997] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7692] <... setpgid resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, [pid 7692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7692] <... openat resumed>) = 3 [pid 7692] write(3, "1000", 4) = 4 [pid 7692] close(3) = 0 [pid 7692] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... mkdir resumed>) = 0 [pid 7692] <... symlink resumed>) = 0 [pid 7692] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7692] <... mmap resumed>) = 0x7f6a589d5000 [pid 4998] <... openat resumed>) = 3 [pid 7692] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] ioctl(3, LOOP_CLR_FD [pid 7692] <... mprotect resumed>) = 0 [pid 7692] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7693], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7693 [pid 7692] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7692] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [ 176.988628][ T7689] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7693 attached [pid 7693] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7693] memfd_create("syzkaller", 0) = 3 [pid 7693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7694 ./strace-static-x86_64: Process 7694 attached [pid 7694] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7694] chdir("./137") = 0 [pid 7694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7694] setpgid(0, 0) = 0 [pid 7694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7694] write(3, "1000", 4) = 4 [pid 7694] close(3) = 0 [pid 7694] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7694] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7694] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7691] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7694] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7695], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7695 [pid 7694] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7694] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7695 attached [pid 7695] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7695] memfd_create("syzkaller", 0 [pid 4997] <... umount2 resumed>) = 0 [pid 7695] <... memfd_create resumed>) = 3 [pid 7695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./135/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7693] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./135/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./135/bus") = 0 [pid 4997] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./135/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./135") = 0 [pid 4997] mkdir("./136", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7696 [pid 7691] <... write resumed>) = 4194304 [pid 7691] munmap(0x7f6a505d5000, 4194304./strace-static-x86_64: Process 7696 attached [pid 7696] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7696] chdir("./136" [pid 7691] <... munmap resumed>) = 0 [pid 7696] <... chdir resumed>) = 0 [pid 7691] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7691] <... openat resumed>) = 4 [pid 7696] setpgid(0, 0 [pid 7691] ioctl(4, LOOP_SET_FD, 3 [pid 7696] <... setpgid resumed>) = 0 [pid 7696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7695] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7696] <... openat resumed>) = 3 [pid 7696] write(3, "1000", 4) = 4 [pid 7696] close(3) = 0 [pid 7696] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7693] <... write resumed>) = 4194304 [pid 7691] <... ioctl resumed>) = 0 [pid 7696] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] munmap(0x7f6a505d5000, 4194304 [pid 7691] close(3 [pid 7696] <... futex resumed>) = 0 [pid 7691] <... close resumed>) = 0 [pid 7696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7691] mkdir("./bus", 0777 [pid 7696] <... mmap resumed>) = 0x7f6a589d5000 [pid 7696] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7696] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7697], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7697 [pid 7696] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7696] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7691] <... mkdir resumed>) = 0 [pid 7691] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7693] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7697 attached [pid 7697] set_robust_list(0x7f6a589f59e0, 24 [pid 7693] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7697] <... set_robust_list resumed>) = 0 [ 177.160631][ T7691] loop3: detected capacity change from 0 to 8192 [ 177.190680][ T7691] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 177.190894][ T7693] loop4: detected capacity change from 0 to 8192 [pid 7693] ioctl(4, LOOP_SET_FD, 3 [pid 7697] memfd_create("syzkaller", 0 [pid 7695] <... write resumed>) = 4194304 [pid 7693] <... ioctl resumed>) = 0 [pid 7697] <... memfd_create resumed>) = 3 [pid 7695] munmap(0x7f6a505d5000, 4194304 [pid 7697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7695] <... munmap resumed>) = 0 [pid 7697] <... mmap resumed>) = 0x7f6a505d5000 [pid 7695] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7693] close(3 [pid 7695] <... openat resumed>) = 4 [pid 7693] <... close resumed>) = 0 [pid 7695] ioctl(4, LOOP_SET_FD, 3 [pid 7693] mkdir("./bus", 0777 [pid 7697] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7693] <... mkdir resumed>) = 0 [ 177.204325][ T7691] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 177.220769][ T7691] REISERFS (device loop3): using ordered data mode [ 177.227372][ T7691] reiserfs: using flush barriers [ 177.233427][ T7695] loop1: detected capacity change from 0 to 8192 [ 177.243865][ T7691] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7693] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7695] <... ioctl resumed>) = 0 [pid 7697] <... write resumed>) = 4194304 [pid 7697] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7697] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7695] close(3 [pid 7697] <... openat resumed>) = 4 [pid 7697] ioctl(4, LOOP_SET_FD, 3 [pid 7695] <... close resumed>) = 0 [pid 7695] mkdir("./bus", 0777) = 0 [pid 7695] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7697] <... ioctl resumed>) = 0 [ 177.260898][ T7693] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 177.261117][ T7691] REISERFS (device loop3): checking transaction log (loop3) [ 177.274405][ T7693] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 177.284117][ T7697] loop0: detected capacity change from 0 to 8192 [ 177.294569][ T7691] REISERFS (device loop3): Using r5 hash to sort names [ 177.297089][ T7693] REISERFS (device loop4): using ordered data mode [pid 7697] close(3) = 0 [ 177.304801][ T7695] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 177.310479][ T7693] reiserfs: using flush barriers [ 177.324376][ T7691] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 177.329059][ T7695] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 177.341017][ T7691] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7697] mkdir("./bus", 0777 [pid 7691] <... mount resumed>) = 0 [pid 7697] <... mkdir resumed>) = 0 [pid 7697] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7691] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 177.359746][ T7693] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 177.360131][ T7695] REISERFS (device loop1): using ordered data mode [ 177.383969][ T7695] reiserfs: using flush barriers [ 177.385057][ T7697] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 177.390737][ T7693] REISERFS (device loop4): checking transaction log (loop4) [pid 7691] chdir("./bus") = 0 [ 177.403082][ T7695] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 177.410701][ T7693] REISERFS (device loop4): Using r5 hash to sort names [ 177.427324][ T7697] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 177.433688][ T7693] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 177.443856][ T7695] REISERFS (device loop1): checking transaction log (loop1) [pid 7691] ioctl(4, LOOP_CLR_FD) = 0 [pid 7693] <... mount resumed>) = 0 [pid 7691] close(4) = 0 [pid 7691] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7690] <... futex resumed>) = 0 [pid 7691] mkdir("./file1", 000 [pid 7690] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] <... mkdir resumed>) = 0 [pid 7690] <... futex resumed>) = 0 [pid 7691] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7691] <... futex resumed>) = 0 [pid 7690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7691] mkdir("./bus", 000 [pid 7690] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] <... mkdir resumed>) = 0 [pid 7690] <... futex resumed>) = 0 [pid 7691] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7691] <... futex resumed>) = 0 [pid 7690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7691] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7690] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7690] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7693] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7693] chdir("./bus") = 0 [pid 7693] ioctl(4, LOOP_CLR_FD) = 0 [pid 7693] close(4) = 0 [pid 7693] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] <... futex resumed>) = 0 [pid 7692] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7692] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7693] <... futex resumed>) = 1 [pid 7693] mkdir("./file1", 000) = 0 [pid 7693] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7692] <... futex resumed>) = 0 [pid 7693] mkdir("./bus", 000 [pid 7692] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] <... mkdir resumed>) = 0 [pid 7692] <... futex resumed>) = 0 [pid 7693] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7693] <... futex resumed>) = 0 [pid 7692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7693] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7692] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 177.455433][ T7693] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 177.463337][ T7697] REISERFS (device loop0): using ordered data mode [ 177.487280][ T7691] overlayfs: upper fs needs to support d_type. [ 177.493516][ T7691] overlayfs: upper fs does not support tmpfile. [ 177.495540][ T7697] reiserfs: using flush barriers [ 177.505345][ T7693] overlayfs: upper fs needs to support d_type. [pid 7692] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7690] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7690] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7690] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7692] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7690] <... mprotect resumed>) = 0 [pid 7692] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7692] <... futex resumed>) = 0 [pid 7692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7690] <... clone resumed>, parent_tid=[7702], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7702 [pid 7692] <... mmap resumed>) = 0x7f6a509b4000 [pid 7690] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7690] <... futex resumed>) = 0 [pid 7692] <... mprotect resumed>) = 0 [pid 7690] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7692] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7703 attached [pid 7703] set_robust_list(0x7f6a509d49e0, 24 [pid 7692] <... clone resumed>, parent_tid=[7703], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7703 [pid 7692] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7703] <... set_robust_list resumed>) = 0 [pid 7692] <... futex resumed>) = 0 [pid 7692] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7703] mkdir(".", 0777./strace-static-x86_64: Process 7702 attached [pid 7702] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7703] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7703] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7702] mkdir(".", 0777) = -1 EEXIST (File exists) [ 177.506934][ T7697] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 177.528699][ T7695] REISERFS (device loop1): Using r5 hash to sort names [ 177.528887][ T7697] REISERFS (device loop0): checking transaction log (loop0) [ 177.540857][ T7693] overlayfs: upper fs does not support tmpfile. [pid 7702] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7703] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7703] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] <... futex resumed>) = 0 [pid 7703] <... futex resumed>) = 1 [ 177.557512][ T7703] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 177.561053][ T7691] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 177.578617][ T7702] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 177.594490][ T7695] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7703] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7702] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7695] <... mount resumed>) = 0 [pid 7702] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7702] <... futex resumed>) = 1 [pid 7695] <... openat resumed>) = 3 [pid 7690] <... futex resumed>) = 0 [pid 7702] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7695] chdir("./bus") = 0 [pid 7695] ioctl(4, LOOP_CLR_FD) = 0 [pid 7695] close(4) = 0 [pid 7691] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7695] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] <... futex resumed>) = 1 [pid 7694] <... futex resumed>) = 0 [pid 7691] <... futex resumed>) = 0 [pid 7694] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] mkdir("./file1", 000 [pid 7691] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7694] <... futex resumed>) = 0 [pid 7695] <... mkdir resumed>) = 0 [pid 7694] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7695] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] exit_group(0 [pid 7702] <... futex resumed>) = ? [pid 7695] <... futex resumed>) = 0 [pid 7691] <... futex resumed>) = ? [pid 7690] <... exit_group resumed>) = ? [pid 7702] +++ exited with 0 +++ [pid 7695] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7691] +++ exited with 0 +++ [pid 7690] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7690, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5000] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7694] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] <... futex resumed>) = 0 [pid 7694] <... futex resumed>) = 1 [pid 7695] mkdir("./bus", 000 [pid 7694] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7695] <... mkdir resumed>) = 0 [pid 7693] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7695] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] <... futex resumed>) = 1 [pid 7694] <... futex resumed>) = 0 [pid 7693] <... futex resumed>) = 0 [pid 7695] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7694] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [ 177.599876][ T7693] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 177.615143][ T7695] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 177.620367][ T7693] overlayfs: failed to resolve './file0': -2 [ 177.628528][ T7691] overlayfs: failed to resolve './file0': -2 [ 177.630780][ T7697] REISERFS (device loop0): Using r5 hash to sort names [ 177.646417][ T7697] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7692] exit_group(0 [pid 7703] <... futex resumed>) = ? [pid 7695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7694] <... futex resumed>) = 0 [pid 7693] <... futex resumed>) = ? [pid 7692] <... exit_group resumed>) = ? [pid 7703] +++ exited with 0 +++ [pid 7694] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7695] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7693] +++ exited with 0 +++ [pid 7692] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7692, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5001] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [pid 7697] <... mount resumed>) = 0 [pid 5000] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./137/bus", [pid 7697] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7697] chdir("./bus" [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7697] <... chdir resumed>) = 0 [pid 7697] ioctl(4, LOOP_CLR_FD) = 0 [pid 5000] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./137/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7697] close(4 [pid 5000] <... openat resumed>) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./137/bus") = 0 [pid 5000] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./137/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [ 177.677720][ T7697] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 177.690121][ T7695] overlayfs: upper fs needs to support d_type. [ 177.696460][ T7695] overlayfs: upper fs does not support tmpfile. [pid 5000] rmdir("./137" [pid 7697] <... close resumed>) = 0 [pid 7694] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7697] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7694] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7694] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7704], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7704 [pid 7697] <... futex resumed>) = 1 [pid 7696] <... futex resumed>) = 0 [pid 7694] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7696] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] <... futex resumed>) = 0 [pid 7696] <... futex resumed>) = 0 [pid 7694] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7696] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... rmdir resumed>) = 0 [pid 5000] mkdir("./138", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7704 attached [pid 7704] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7704] mkdir(".", 0777 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7705 [pid 7704] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7704] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7697] mkdir("./file1", 000) = 0 [pid 7697] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7705 attached ) = 1 [pid 7696] <... futex resumed>) = 0 [pid 7705] set_robust_list(0x5555564f86e0, 24 [pid 7697] mkdir("./bus", 000 [pid 7696] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7705] <... set_robust_list resumed>) = 0 [pid 7697] <... mkdir resumed>) = 0 [pid 7696] <... futex resumed>) = 0 [pid 7695] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] <... umount2 resumed>) = 0 [pid 7705] chdir("./138" [pid 7697] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7705] <... chdir resumed>) = 0 [pid 7697] <... futex resumed>) = 0 [pid 7695] <... futex resumed>) = 0 [pid 5001] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7697] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7695] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7705] <... prctl resumed>) = 0 [pid 5001] lstat("./136/bus", [pid 7705] setpgid(0, 0 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7705] <... setpgid resumed>) = 0 [pid 5001] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7705] <... openat resumed>) = 3 [pid 5001] openat(AT_FDCWD, "./136/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7705] write(3, "1000", 4 [pid 5001] <... openat resumed>) = 4 [pid 7705] <... write resumed>) = 4 [pid 5001] fstat(4, [pid 7705] close(3 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7705] <... close resumed>) = 0 [pid 5001] getdents64(4, [pid 7705] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7705] <... symlink resumed>) = 0 [pid 5001] getdents64(4, [pid 7705] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7705] <... futex resumed>) = 0 [pid 5001] close(4 [pid 7705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... close resumed>) = 0 [pid 7705] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] rmdir("./136/bus" [pid 7705] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... rmdir resumed>) = 0 [pid 7705] <... mprotect resumed>) = 0 [pid 5001] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7705] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./136/binderfs", [pid 7705] <... clone resumed>, parent_tid=[7706], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7706 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7705] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] unlink("./136/binderfs" [pid 7705] <... futex resumed>) = 0 [pid 7696] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... unlink resumed>) = 0 [pid 7705] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] getdents64(3, [pid 7696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7696] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 7697] <... futex resumed>) = 0 [pid 7696] <... futex resumed>) = 1 [pid 5001] <... close resumed>) = 0 [pid 7697] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7696] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 177.748079][ T7695] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 177.756348][ T7695] overlayfs: failed to resolve './file0': -2 [ 177.781427][ T7704] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] rmdir("./136"./strace-static-x86_64: Process 7706 attached [pid 7704] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7706] set_robust_list(0x7f6a589f59e0, 24 [pid 7704] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7706] <... set_robust_list resumed>) = 0 [pid 7704] <... futex resumed>) = 1 [pid 7694] <... futex resumed>) = 0 [pid 7706] memfd_create("syzkaller", 0 [pid 7704] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7694] exit_group(0 [pid 7706] <... memfd_create resumed>) = 3 [pid 7704] <... futex resumed>) = ? [pid 7694] <... exit_group resumed>) = ? [pid 7706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7704] +++ exited with 0 +++ [pid 7706] <... mmap resumed>) = 0x7f6a505d5000 [pid 7695] <... futex resumed>) = ? [pid 5001] <... rmdir resumed>) = 0 [pid 7695] +++ exited with 0 +++ [pid 7694] +++ exited with 0 +++ [pid 5001] mkdir("./137", 0777 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7694, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5001] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 4998] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7706] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7707 ./strace-static-x86_64: Process 7707 attached [pid 7707] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7707] chdir("./137") = 0 [pid 7707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7707] setpgid(0, 0) = 0 [pid 7707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7707] write(3, "1000", 4) = 4 [pid 7696] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7696] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7696] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7696] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7708], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7708 [pid 7696] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7696] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7707] close(3) = 0 [pid 7707] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7707] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7707] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7707] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7709], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7709 [pid 7707] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7707] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7708 attached [pid 7708] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7708] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7708] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7709 attached [pid 7709] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7709] memfd_create("syzkaller", 0) = 3 [pid 7709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 177.799704][ T7697] overlayfs: upper fs needs to support d_type. [ 177.807471][ T7697] overlayfs: upper fs does not support tmpfile. [ 177.814144][ T7697] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 177.825037][ T7697] overlayfs: failed to resolve './file0': -2 [pid 7697] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7697] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7697] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7706] <... write resumed>) = 4194304 [pid 7708] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7706] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7708] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7706] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7708] <... futex resumed>) = 1 [pid 7706] ioctl(4, LOOP_SET_FD, 3 [pid 7708] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7696] <... futex resumed>) = 0 [pid 7696] exit_group(0) = ? [pid 7697] <... futex resumed>) = ? [pid 7697] +++ exited with 0 +++ [pid 7708] <... futex resumed>) = ? [pid 7708] +++ exited with 0 +++ [pid 7696] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7696, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7706] <... ioctl resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 7706] close(3 [pid 4997] fstat(3, [pid 7706] <... close resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7706] mkdir("./bus", 0777 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7706] <... mkdir resumed>) = 0 [pid 7706] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./137/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./137/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [ 177.878424][ T7708] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 177.903974][ T7706] loop3: detected capacity change from 0 to 8192 [pid 4998] close(4) = 0 [pid 7709] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] rmdir("./137/bus") = 0 [pid 4998] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./137/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./137") = 0 [pid 4998] mkdir("./138", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7711 ./strace-static-x86_64: Process 7711 attached [pid 7711] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7711] chdir("./138") = 0 [ 177.929851][ T7706] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 177.943601][ T7706] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 177.953144][ T7706] REISERFS (device loop3): using ordered data mode [ 177.960352][ T7706] reiserfs: using flush barriers [pid 7711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7711] setpgid(0, 0) = 0 [pid 7711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7711] write(3, "1000", 4) = 4 [pid 7711] close(3) = 0 [pid 7711] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7711] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7711] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7711] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7712], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7712 [pid 7711] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7711] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7712 attached [pid 7712] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7712] memfd_create("syzkaller", 0) = 3 [pid 7712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] <... umount2 resumed>) = 0 [pid 7709] <... write resumed>) = 4194304 [ 177.966721][ T7706] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 177.983440][ T7706] REISERFS (device loop3): checking transaction log (loop3) [ 177.993460][ T7706] REISERFS (device loop3): Using r5 hash to sort names [ 178.009504][ T7706] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7709] munmap(0x7f6a505d5000, 4194304 [pid 4997] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7706] <... mount resumed>) = 0 [pid 7706] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./136/bus", [pid 7706] <... openat resumed>) = 3 [pid 7706] chdir("./bus" [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7706] <... chdir resumed>) = 0 [pid 4997] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7706] ioctl(4, LOOP_CLR_FD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./136/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7706] <... ioctl resumed>) = 0 [pid 4997] <... openat resumed>) = 4 [pid 7706] close(4 [pid 4997] fstat(4, [pid 7706] <... close resumed>) = 0 [pid 7706] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7706] <... futex resumed>) = 1 [pid 7705] <... futex resumed>) = 0 [pid 4997] getdents64(4, [pid 7706] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7705] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7705] <... futex resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7706] mkdir("./file1", 000 [pid 7705] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] getdents64(4, [pid 7706] <... mkdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7706] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] close(4 [pid 7706] <... futex resumed>) = 1 [pid 7705] <... futex resumed>) = 0 [pid 7709] <... munmap resumed>) = 0 [pid 7706] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7705] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... close resumed>) = 0 [pid 7709] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7705] <... futex resumed>) = 0 [pid 4997] rmdir("./136/bus" [pid 7709] <... openat resumed>) = 4 [pid 7706] mkdir("./bus", 000 [pid 7705] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7709] ioctl(4, LOOP_SET_FD, 3 [pid 4997] <... rmdir resumed>) = 0 [pid 7706] <... mkdir resumed>) = 0 [ 178.022991][ T7706] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7706] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7709] <... ioctl resumed>) = 0 [pid 7706] <... futex resumed>) = 1 [pid 4997] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7709] close(3 [pid 7706] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7705] <... futex resumed>) = 0 [pid 7709] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7705] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] lstat("./136/binderfs", [pid 7709] mkdir("./bus", 0777 [pid 7706] <... futex resumed>) = 0 [pid 7705] <... futex resumed>) = 1 [pid 7706] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7705] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./136/binderfs") = 0 [pid 4997] getdents64(3, [pid 7709] <... mkdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7712] <... write resumed>) = 4194304 [pid 7712] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7712] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7712] ioctl(4, LOOP_SET_FD, 3 [pid 7709] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4997] close(3) = 0 [pid 7712] <... ioctl resumed>) = 0 [pid 7712] close(3) = 0 [pid 7712] mkdir("./bus", 0777) = 0 [pid 7712] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4997] rmdir("./136") = 0 [pid 4997] mkdir("./137", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 178.065774][ T7709] loop4: detected capacity change from 0 to 8192 [ 178.074234][ T7706] overlayfs: upper fs needs to support d_type. [ 178.081471][ T7706] overlayfs: upper fs does not support tmpfile. [ 178.088356][ T7706] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 178.089363][ T7712] loop1: detected capacity change from 0 to 8192 [ 178.096746][ T7706] overlayfs: failed to resolve './file0': -2 [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7715 [pid 7705] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7705] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7705] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7705] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7716], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7716 [pid 7705] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7705] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7706] <... mount resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 7715 attached [pid 7715] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7715] chdir("./137") = 0 [pid 7715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7715] setpgid(0, 0) = 0 [pid 7715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7716 attached [pid 7716] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7716] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7715] <... openat resumed>) = 3 [pid 7716] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7715] write(3, "1000", 4) = 4 [pid 7715] close(3 [pid 7706] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7715] <... close resumed>) = 0 [pid 7706] <... futex resumed>) = 0 [pid 7715] symlink("/dev/binderfs", "./binderfs" [pid 7706] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7715] <... symlink resumed>) = 0 [ 178.108337][ T7709] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 178.127292][ T7709] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 178.131286][ T7712] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 178.137074][ T7709] REISERFS (device loop4): using ordered data mode [ 178.158526][ T7709] reiserfs: using flush barriers [pid 7715] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7715] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7715] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7717], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7717 [pid 7715] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7715] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7717 attached [pid 7717] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7717] memfd_create("syzkaller", 0) = 3 [pid 7717] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 178.161334][ T7716] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 178.164975][ T7712] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 178.187653][ T7709] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 178.204626][ T7709] REISERFS (device loop4): checking transaction log (loop4) [pid 7716] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7716] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7705] <... futex resumed>) = 0 [pid 7716] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7705] exit_group(0 [pid 7716] <... futex resumed>) = ? [pid 7705] <... exit_group resumed>) = ? [pid 7706] <... futex resumed>) = ? [pid 7706] +++ exited with 0 +++ [pid 7716] +++ exited with 0 +++ [pid 7705] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7705, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7709] <... mount resumed>) = 0 [pid 5000] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 178.213173][ T7709] REISERFS (device loop4): Using r5 hash to sort names [ 178.220948][ T7709] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 178.224069][ T7712] REISERFS (device loop1): using ordered data mode [ 178.234313][ T7709] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 178.252813][ T7712] reiserfs: using flush barriers [pid 5000] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7709] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7709] chdir("./bus") = 0 [pid 7709] ioctl(4, LOOP_CLR_FD) = 0 [pid 7709] close(4) = 0 [pid 7709] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7707] <... futex resumed>) = 0 [pid 7707] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7709] mkdir("./file1", 000 [pid 7707] <... futex resumed>) = 0 [pid 7709] <... mkdir resumed>) = 0 [pid 7707] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7709] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7707] <... futex resumed>) = 0 [pid 7707] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7709] mkdir("./bus", 000 [pid 7707] <... futex resumed>) = 0 [pid 7707] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7709] <... mkdir resumed>) = 0 [pid 7709] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7707] <... futex resumed>) = 0 [pid 7709] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7707] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7709] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7707] <... futex resumed>) = 0 [pid 7707] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 178.259248][ T7712] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 178.277740][ T7712] REISERFS (device loop1): checking transaction log (loop1) [ 178.286902][ T7712] REISERFS (device loop1): Using r5 hash to sort names [ 178.302977][ T7709] overlayfs: upper fs needs to support d_type. [pid 7717] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7707] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7707] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7707] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./138/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./138/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./138/bus" [pid 7707] <... mprotect resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [ 178.325225][ T7709] overlayfs: upper fs does not support tmpfile. [ 178.336909][ T7712] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 178.351991][ T7709] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 178.362397][ T7709] overlayfs: failed to resolve './file0': -2 [pid 7707] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./138/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./138") = 0 [pid 5000] mkdir("./139", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7719 ./strace-static-x86_64: Process 7718 attached [pid 7718] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7718] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7707] <... clone resumed>, parent_tid=[7718], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7718 [pid 7707] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7718] <... futex resumed>) = 0 [pid 7707] <... futex resumed>) = 1 [pid 7718] mkdir(".", 0777 [pid 7707] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7719 attached [pid 7718] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7718] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7719] set_robust_list(0x5555564f86e0, 24 [pid 7717] <... write resumed>) = 4194304 [pid 7712] <... mount resumed>) = 0 [pid 7709] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7719] <... set_robust_list resumed>) = 0 [pid 7717] munmap(0x7f6a505d5000, 4194304 [pid 7712] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [ 178.370256][ T7712] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7709] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7719] chdir("./139" [pid 7717] <... munmap resumed>) = 0 [pid 7712] <... openat resumed>) = 3 [pid 7709] <... futex resumed>) = 0 [pid 7719] <... chdir resumed>) = 0 [pid 7712] chdir("./bus" [pid 7709] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7712] <... chdir resumed>) = 0 [pid 7719] <... prctl resumed>) = 0 [pid 7712] ioctl(4, LOOP_CLR_FD [pid 7719] setpgid(0, 0 [pid 7712] <... ioctl resumed>) = 0 [pid 7719] <... setpgid resumed>) = 0 [pid 7712] close(4 [pid 7719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7717] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7712] <... close resumed>) = 0 [pid 7719] <... openat resumed>) = 3 [pid 7717] <... openat resumed>) = 4 [pid 7712] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7719] write(3, "1000", 4 [pid 7717] ioctl(4, LOOP_SET_FD, 3 [pid 7712] <... futex resumed>) = 1 [pid 7711] <... futex resumed>) = 0 [pid 7719] <... write resumed>) = 4 [pid 7718] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7717] <... ioctl resumed>) = 0 [pid 7712] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7711] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7719] close(3 [pid 7717] close(3 [pid 7712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7711] <... futex resumed>) = 0 [pid 7719] <... close resumed>) = 0 [pid 7717] <... close resumed>) = 0 [pid 7712] mkdir("./file1", 000 [pid 7711] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7719] symlink("/dev/binderfs", "./binderfs" [pid 7717] mkdir("./bus", 0777 [pid 7712] <... mkdir resumed>) = 0 [pid 7719] <... symlink resumed>) = 0 [pid 7718] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7719] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7718] <... futex resumed>) = 1 [pid 7717] <... mkdir resumed>) = 0 [pid 7712] <... futex resumed>) = 1 [pid 7711] <... futex resumed>) = 0 [pid 7707] <... futex resumed>) = 0 [pid 7719] <... futex resumed>) = 0 [pid 7718] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7717] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7712] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7711] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7707] exit_group(0 [pid 7719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7711] <... futex resumed>) = 0 [pid 7709] <... futex resumed>) = ? [pid 7707] <... exit_group resumed>) = ? [pid 7719] <... mmap resumed>) = 0x7f6a589d5000 [pid 7712] mkdir("./bus", 000 [pid 7711] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7709] +++ exited with 0 +++ [pid 7719] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7712] <... mkdir resumed>) = 0 [pid 7719] <... mprotect resumed>) = 0 [pid 7718] <... futex resumed>) = ? [pid 7712] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7719] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7712] <... futex resumed>) = 1 [pid 7711] <... futex resumed>) = 0 [pid 7712] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7711] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7719] <... clone resumed>, parent_tid=[7721], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7721 [pid 7719] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7721 attached [pid 7721] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7721] memfd_create("syzkaller", 0) = 3 [pid 7721] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7719] <... futex resumed>) = 0 [pid 7718] +++ exited with 0 +++ [pid 7711] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7707] +++ exited with 0 +++ [pid 7719] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7707, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5001] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 178.397787][ T7718] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 178.410364][ T7717] loop0: detected capacity change from 0 to 8192 [ 178.435154][ T7712] overlayfs: upper fs needs to support d_type. [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 178.444428][ T7712] overlayfs: upper fs does not support tmpfile. [ 178.453960][ T7717] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 178.468739][ T7712] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 178.475852][ T7717] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 178.486797][ T7712] overlayfs: failed to resolve './file0': -2 [pid 5001] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7711] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7711] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7711] <... futex resumed>) = 0 [pid 7712] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7712] <... futex resumed>) = 0 [pid 7712] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7711] <... mmap resumed>) = 0x7f6a509b4000 [pid 7711] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7711] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7722], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7722 [pid 7711] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7711] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7722 attached [pid 7722] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7722] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./137/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./137/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 178.493188][ T7717] REISERFS (device loop0): using ordered data mode [ 178.500059][ T7717] reiserfs: using flush barriers [ 178.506524][ T7717] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 178.522947][ T7717] REISERFS (device loop0): checking transaction log (loop0) [ 178.532454][ T7717] REISERFS (device loop0): Using r5 hash to sort names [pid 7722] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7721] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./137/bus") = 0 [pid 5001] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./137/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./137") = 0 [pid 5001] mkdir("./138", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 7722] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7721] <... write resumed>) = 4194304 [pid 7717] <... mount resumed>) = 0 [pid 7722] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] munmap(0x7f6a505d5000, 4194304 [pid 7717] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7722] <... futex resumed>) = 1 [pid 7721] <... munmap resumed>) = 0 [pid 7717] <... openat resumed>) = 3 [pid 7711] <... futex resumed>) = 0 [pid 7722] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7721] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7717] chdir("./bus" [pid 7721] <... openat resumed>) = 4 [pid 7717] <... chdir resumed>) = 0 [pid 7711] exit_group(0 [ 178.541612][ T7717] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 178.542829][ T7722] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 178.554317][ T7717] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7721] ioctl(4, LOOP_SET_FD, 3 [pid 7717] ioctl(4, LOOP_CLR_FD [pid 7712] <... futex resumed>) = ? [pid 7711] <... exit_group resumed>) = ? [pid 7722] <... futex resumed>) = ? [pid 7712] +++ exited with 0 +++ [pid 5001] <... close resumed>) = 0 [pid 7722] +++ exited with 0 +++ [pid 7711] +++ exited with 0 +++ [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7721] <... ioctl resumed>) = 0 [pid 7717] <... ioctl resumed>) = 0 [pid 7721] close(3) = 0 [pid 7721] mkdir("./bus", 0777 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7711, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 7717] close(4 [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 7721] <... mkdir resumed>) = 0 [pid 7717] <... close resumed>) = 0 [pid 4998] <... restart_syscall resumed>) = 0 [pid 7717] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7717] <... futex resumed>) = 1 [pid 7715] <... futex resumed>) = 0 [pid 7717] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7715] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] mkdir("./file1", 000 [pid 4998] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7715] <... futex resumed>) = 0 [pid 7717] <... mkdir resumed>) = 0 [pid 7715] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7717] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7723 [pid 4998] <... openat resumed>) = 3 [pid 7717] <... futex resumed>) = 1 [pid 7715] <... futex resumed>) = 0 [pid 4998] fstat(3, [pid 7717] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7715] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7715] <... futex resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7717] mkdir("./bus", 000 [pid 7715] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] getdents64(3, ./strace-static-x86_64: Process 7723 attached [pid 7717] <... mkdir resumed>) = 0 [pid 7717] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7717] <... futex resumed>) = 1 [pid 7715] <... futex resumed>) = 0 [pid 4998] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7717] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7715] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7715] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7717] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7723] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7723] chdir("./138") = 0 [pid 7723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7723] setpgid(0, 0) = 0 [pid 7723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7723] write(3, "1000", 4) = 4 [pid 7723] close(3) = 0 [pid 7723] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7723] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7723] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7723] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7725], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7725 [pid 7723] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7723] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7725 attached [pid 7725] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7725] memfd_create("syzkaller", 0) = 3 [pid 7725] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 178.601717][ T7721] loop3: detected capacity change from 0 to 8192 [ 178.613954][ T7717] overlayfs: upper fs needs to support d_type. [ 178.636659][ T7721] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7725] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7715] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7715] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7715] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7715] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7726], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7726 [pid 7715] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7715] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7726 attached [pid 7726] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7726] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7726] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7725] <... write resumed>) = 4194304 [ 178.650668][ T7717] overlayfs: upper fs does not support tmpfile. [ 178.651949][ T7721] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 178.681062][ T7717] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 178.690569][ T7717] overlayfs: failed to resolve './file0': -2 [pid 7725] munmap(0x7f6a505d5000, 4194304 [pid 7717] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7725] <... munmap resumed>) = 0 [pid 7717] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7725] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7717] <... futex resumed>) = 0 [pid 7725] <... openat resumed>) = 4 [pid 7717] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7725] ioctl(4, LOOP_SET_FD, 3 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./138/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 178.709675][ T7721] REISERFS (device loop3): using ordered data mode [ 178.714172][ T7726] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 178.717887][ T7721] reiserfs: using flush barriers [ 178.737717][ T7725] loop4: detected capacity change from 0 to 8192 [pid 4998] openat(AT_FDCWD, "./138/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7725] <... ioctl resumed>) = 0 [pid 4998] <... openat resumed>) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./138/bus") = 0 [pid 4998] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./138/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./138") = 0 [pid 4998] mkdir("./139", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3 [pid 7725] close(3) = 0 [pid 7726] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7726] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7725] mkdir("./bus", 0777 [pid 4998] <... close resumed>) = 0 [pid 7726] <... futex resumed>) = 1 [pid 7725] <... mkdir resumed>) = 0 [pid 7715] <... futex resumed>) = 0 [pid 7726] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7725] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7728 [pid 7715] exit_group(0 [pid 7726] <... futex resumed>) = ? [pid 7717] <... futex resumed>) = ? [pid 7715] <... exit_group resumed>) = ? [pid 7726] +++ exited with 0 +++ [pid 7717] +++ exited with 0 +++ [pid 7715] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7715, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 4997] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7728 attached [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 178.746991][ T7721] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 178.764559][ T7721] REISERFS (device loop3): checking transaction log (loop3) [ 178.772786][ T7721] REISERFS (device loop3): Using r5 hash to sort names [ 178.780747][ T7721] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 178.794089][ T7721] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 4997] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7728] set_robust_list(0x5555564f86e0, 24 [pid 7721] <... mount resumed>) = 0 [pid 7728] <... set_robust_list resumed>) = 0 [pid 7728] chdir("./139") = 0 [pid 7728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7728] setpgid(0, 0) = 0 [pid 7728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7728] write(3, "1000", 4) = 4 [pid 7728] close(3) = 0 [pid 7728] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7721] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7728] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7721] <... openat resumed>) = 3 [pid 7728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7721] chdir("./bus" [pid 7728] <... mmap resumed>) = 0x7f6a589d5000 [pid 7721] <... chdir resumed>) = 0 [pid 7728] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7721] ioctl(4, LOOP_CLR_FD [pid 7728] <... mprotect resumed>) = 0 [pid 7721] <... ioctl resumed>) = 0 [pid 7728] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7721] close(4) = 0 [pid 7721] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... clone resumed>, parent_tid=[7729], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7729 [pid 7721] <... futex resumed>) = 1 [ 178.796877][ T7725] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 178.817515][ T7725] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 178.826779][ T7725] REISERFS (device loop4): using ordered data mode [ 178.834012][ T7725] reiserfs: using flush barriers [pid 7719] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7729 attached [pid 7728] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... umount2 resumed>) = 0 [pid 7729] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 4997] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7729] memfd_create("syzkaller", 0) = 3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7729] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] lstat("./137/bus", [pid 7728] <... futex resumed>) = 0 [pid 7719] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7719] <... futex resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7719] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./137/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7721] mkdir("./file1", 000 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 7721] <... mkdir resumed>) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./137/bus" [pid 7721] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... rmdir resumed>) = 0 [pid 7721] <... futex resumed>) = 1 [pid 7719] <... futex resumed>) = 0 [pid 7729] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7721] mkdir("./bus", 000 [pid 7719] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7719] <... futex resumed>) = 0 [pid 7719] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7721] <... mkdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 178.847371][ T7725] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 178.869276][ T7725] REISERFS (device loop4): checking transaction log (loop4) [ 178.877809][ T7725] REISERFS (device loop4): Using r5 hash to sort names [ 178.884799][ T7725] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 178.898043][ T7725] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7721] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] lstat("./137/binderfs", [pid 7721] <... futex resumed>) = 1 [pid 7719] <... futex resumed>) = 0 [pid 7719] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7719] <... futex resumed>) = 0 [pid 7719] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] unlink("./137/binderfs" [pid 7725] <... mount resumed>) = 0 [pid 7725] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7725] chdir("./bus" [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, [pid 7725] <... chdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7725] ioctl(4, LOOP_CLR_FD) = 0 [pid 7725] close(4) = 0 [pid 7725] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7723] <... futex resumed>) = 0 [pid 7723] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7723] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7725] <... futex resumed>) = 1 [pid 7725] mkdir("./file1", 000) = 0 [pid 7725] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7723] <... futex resumed>) = 0 [pid 7723] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7723] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7725] <... futex resumed>) = 1 [pid 7725] mkdir("./bus", 000) = 0 [pid 7725] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7723] <... futex resumed>) = 0 [pid 7723] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7723] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7725] <... futex resumed>) = 1 [pid 7725] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7729] <... write resumed>) = 4194304 [pid 7729] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7729] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7729] ioctl(4, LOOP_SET_FD, 3 [pid 4997] close(3) = 0 [pid 4997] rmdir("./137") = 0 [pid 4997] mkdir("./138", 0777 [pid 7729] <... ioctl resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7730 [pid 7729] close(3./strace-static-x86_64: Process 7730 attached [pid 7730] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7730] chdir("./138") = 0 [pid 7729] <... close resumed>) = 0 [pid 7729] mkdir("./bus", 0777) = 0 [pid 7729] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7730] setpgid(0, 0) = 0 [pid 7730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7730] write(3, "1000", 4) = 4 [ 178.909780][ T7721] overlayfs: upper fs needs to support d_type. [ 178.916315][ T7725] overlayfs: upper fs needs to support d_type. [ 178.920107][ T7729] loop1: detected capacity change from 0 to 8192 [ 178.929133][ T7721] overlayfs: upper fs does not support tmpfile. [ 178.935348][ T7725] overlayfs: upper fs does not support tmpfile. [ 178.935826][ T7721] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 178.951212][ T7721] overlayfs: failed to resolve './file0': -2 [pid 7730] close(3) = 0 [pid 7730] symlink("/dev/binderfs", "./binderfs" [pid 7723] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7719] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7723] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7723] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7723] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7732], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7732 [pid 7723] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7723] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7732 attached [pid 7732] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7732] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7732] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7730] <... symlink resumed>) = 0 [pid 7719] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7719] <... futex resumed>) = 0 [pid 7721] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7721] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7730] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7719] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7730] <... futex resumed>) = 0 [pid 7719] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7730] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7730] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7719] <... clone resumed>, parent_tid=[7733], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7733 [pid 7719] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7730] <... clone resumed>, parent_tid=[7734], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7734 [pid 7719] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7733 attached [pid 7733] set_robust_list(0x7f6a509d49e0, 24 [pid 7730] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7733] <... set_robust_list resumed>) = 0 [pid 7730] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7734 attached [pid 7734] set_robust_list(0x7f6a589f59e0, 24 [pid 7730] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7734] <... set_robust_list resumed>) = 0 [pid 7733] mkdir(".", 0777 [pid 7734] memfd_create("syzkaller", 0) = 3 [pid 7734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 178.957864][ T7729] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 178.966691][ T7725] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 178.971198][ T7729] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 178.996367][ T7729] REISERFS (device loop1): using ordered data mode [ 179.004720][ T7729] reiserfs: using flush barriers [pid 7733] <... mkdir resumed>) = -1 EEXIST (File exists) [ 179.007718][ T7732] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 179.010945][ T7729] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7733] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7733] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7732] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7732] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7733] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] <... futex resumed>) = 1 [pid 7723] <... futex resumed>) = 0 [pid 7733] <... futex resumed>) = 1 [pid 7732] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7725] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7733] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7725] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7719] <... futex resumed>) = 0 [pid 7725] <... futex resumed>) = 0 [pid 7725] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7723] exit_group(0 [pid 7732] <... futex resumed>) = ? [pid 7725] <... futex resumed>) = ? [pid 7723] <... exit_group resumed>) = ? [pid 7732] +++ exited with 0 +++ [pid 7725] +++ exited with 0 +++ [pid 7723] +++ exited with 0 +++ [pid 7734] <... write resumed>) = 4194304 [pid 7734] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7734] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7734] ioctl(4, LOOP_SET_FD, 3 [ 179.050269][ T7733] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 179.054317][ T7729] REISERFS (device loop1): checking transaction log (loop1) [ 179.074762][ T7725] overlayfs: failed to resolve './file0': -2 [ 179.077812][ T7729] REISERFS (device loop1): Using r5 hash to sort names [ 179.088583][ T7729] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 179.102207][ T7729] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7719] exit_group(0 [pid 7733] <... futex resumed>) = ? [pid 7729] <... mount resumed>) = 0 [pid 7719] <... exit_group resumed>) = ? [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7723, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7733] +++ exited with 0 +++ [pid 5001] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7729] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7729] chdir("./bus") = 0 [pid 7729] ioctl(4, LOOP_CLR_FD) = 0 [pid 7729] close(4) = 0 [pid 7729] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... futex resumed>) = 0 [pid 7728] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7728] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7729] <... futex resumed>) = 1 [pid 7729] mkdir("./file1", 000 [pid 7721] <... futex resumed>) = ? [pid 7729] <... mkdir resumed>) = 0 [pid 7729] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... futex resumed>) = 0 [pid 7728] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7728] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7729] <... futex resumed>) = 1 [pid 7729] mkdir("./bus", 000) = 0 [pid 7729] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... futex resumed>) = 0 [pid 7728] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7728] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7729] <... futex resumed>) = 1 [pid 7729] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7734] <... ioctl resumed>) = 0 [pid 7734] close(3) = 0 [pid 7734] mkdir("./bus", 0777) = 0 [pid 7734] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7721] +++ exited with 0 +++ [pid 7719] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7719, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5000] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 179.111926][ T7734] loop0: detected capacity change from 0 to 8192 [ 179.127065][ T7729] overlayfs: upper fs needs to support d_type. [ 179.138796][ T7729] overlayfs: upper fs does not support tmpfile. [ 179.145618][ T7734] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5000] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7728] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7728] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7728] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7728] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7736], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7736 [pid 7728] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7728] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7736 attached [pid 7736] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7736] mkdir(".", 0777) = -1 EEXIST (File exists) [ 179.159976][ T7729] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 179.167814][ T7734] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 179.182687][ T7729] overlayfs: failed to resolve './file0': -2 [ 179.196126][ T7736] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7736] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7736] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7728] <... futex resumed>) = 0 [pid 7736] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./138/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./138/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, [pid 5000] <... umount2 resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 5000] lstat("./139/bus", [pid 5001] rmdir("./138/bus" [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./139/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] lstat("./138/binderfs", [pid 5000] <... openat resumed>) = 4 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] fstat(4, [pid 5001] unlink("./138/binderfs" [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5000] getdents64(4, [pid 5001] getdents64(3, [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7729] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] getdents64(4, [pid 7729] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7729] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] close(4 [pid 7729] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] rmdir("./138" [pid 5000] <... close resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] rmdir("./139/bus" [pid 7728] exit_group(0 [pid 5001] mkdir("./139", 0777 [pid 5000] <... rmdir resumed>) = 0 [pid 7736] <... futex resumed>) = ? [pid 7729] <... futex resumed>) = ? [pid 7728] <... exit_group resumed>) = ? [pid 5001] <... mkdir resumed>) = 0 [pid 5000] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7736] +++ exited with 0 +++ [pid 7729] +++ exited with 0 +++ [pid 7728] +++ exited with 0 +++ [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... openat resumed>) = 3 [pid 5000] lstat("./139/binderfs", [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7728, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] unlink("./139/binderfs" [pid 5001] close(3 [pid 5000] <... unlink resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] getdents64(3, [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7737 [pid 5000] <... close resumed>) = 0 [pid 4998] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] rmdir("./139" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... rmdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] mkdir("./140", 0777 [pid 4998] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7737 attached [ 179.215014][ T7734] REISERFS (device loop0): using ordered data mode [ 179.230377][ T7734] reiserfs: using flush barriers [ 179.238416][ T7734] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 179.255325][ T7734] REISERFS (device loop0): checking transaction log (loop0) [pid 5000] <... mkdir resumed>) = 0 [pid 4998] fstat(3, [pid 7737] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7737] chdir("./139") = 0 [pid 7737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7737] setpgid(0, 0) = 0 [pid 7737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7737] write(3, "1000", 4) = 4 [pid 7737] close(3) = 0 [pid 7737] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7737] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7737] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] <... openat resumed>) = 3 [pid 7737] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] ioctl(3, LOOP_CLR_FD [pid 7737] <... mprotect resumed>) = 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7737] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] close(3) = 0 [pid 7737] <... clone resumed>, parent_tid=[7738], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7738 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] getdents64(3, ./strace-static-x86_64: Process 7738 attached [pid 7737] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7739 [pid 7737] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7739 attached [pid 7739] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7739] chdir("./140") = 0 [pid 7739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7739] setpgid(0, 0) = 0 [pid 7739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7739] write(3, "1000", 4) = 4 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7738] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 4998] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7738] memfd_create("syzkaller", 0) = 3 [pid 7734] <... mount resumed>) = 0 [pid 7738] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7739] close(3 [pid 7734] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7734] chdir("./bus") = 0 [pid 7734] ioctl(4, LOOP_CLR_FD [pid 7739] <... close resumed>) = 0 [pid 7734] <... ioctl resumed>) = 0 [pid 7739] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7739] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7734] close(4 [pid 7739] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7734] <... close resumed>) = 0 [pid 7734] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7730] <... futex resumed>) = 0 [pid 7730] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7730] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7734] mkdir("./file1", 000) = 0 [pid 7739] <... mprotect resumed>) = 0 [pid 7739] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7734] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7730] <... futex resumed>) = 0 [pid 7730] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] <... clone resumed>, parent_tid=[7740], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7740 [pid 7730] <... futex resumed>) = 0 [pid 7730] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7739] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7734] mkdir("./bus", 000) = 0 [pid 7739] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7734] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7730] <... futex resumed>) = 0 [pid 7734] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7730] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 179.264421][ T7734] REISERFS (device loop0): Using r5 hash to sort names [ 179.272751][ T7734] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 179.286458][ T7734] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7730] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7740 attached [pid 7740] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7740] memfd_create("syzkaller", 0) = 3 [pid 7740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] <... umount2 resumed>) = 0 [pid 7738] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7730] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7730] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7730] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7730] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7741], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7741 [pid 7730] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7730] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7741 attached [pid 7741] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7741] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7741] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4998] lstat("./139/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./139/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 179.322696][ T7734] overlayfs: upper fs needs to support d_type. [ 179.341190][ T7734] overlayfs: upper fs does not support tmpfile. [ 179.355153][ T7734] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 179.364387][ T7734] overlayfs: failed to resolve './file0': -2 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./139/bus") = 0 [pid 4998] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./139/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./139") = 0 [pid 4998] mkdir("./140", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7742 ./strace-static-x86_64: Process 7742 attached [pid 7742] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7734] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7734] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7734] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7742] chdir("./140") = 0 [pid 7742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7742] setpgid(0, 0) = 0 [pid 7742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7742] write(3, "1000", 4) = 4 [pid 7742] close(3) = 0 [pid 7742] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7742] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7740] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7742] <... mmap resumed>) = 0x7f6a589d5000 [pid 7742] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7742] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7743], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7743 [pid 7742] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7742] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7743 attached [pid 7743] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7743] memfd_create("syzkaller", 0) = 3 [pid 7743] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7738] <... write resumed>) = 4194304 [pid 7738] munmap(0x7f6a505d5000, 4194304 [pid 7741] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7741] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7730] <... futex resumed>) = 0 [ 179.389502][ T7741] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7741] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7730] exit_group(0 [pid 7741] <... futex resumed>) = ? [pid 7734] <... futex resumed>) = ? [pid 7730] <... exit_group resumed>) = ? [pid 7734] +++ exited with 0 +++ [pid 7741] +++ exited with 0 +++ [pid 7730] +++ exited with 0 +++ [pid 7738] <... munmap resumed>) = 0 [pid 7738] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7730, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 7738] <... openat resumed>) = 4 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 7738] ioctl(4, LOOP_SET_FD, 3 [pid 4997] <... restart_syscall resumed>) = 0 [pid 4997] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7743] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7738] <... ioctl resumed>) = 0 [pid 7740] <... write resumed>) = 4194304 [pid 7738] close(3 [pid 7740] munmap(0x7f6a505d5000, 4194304 [pid 7738] <... close resumed>) = 0 [pid 7738] mkdir("./bus", 0777) = 0 [pid 7738] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7740] <... munmap resumed>) = 0 [pid 7740] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 179.455591][ T7738] loop4: detected capacity change from 0 to 8192 [pid 7740] ioctl(4, LOOP_SET_FD, 3 [pid 4997] <... umount2 resumed>) = 0 [pid 7740] <... ioctl resumed>) = 0 [pid 4997] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7740] close(3 [pid 7743] <... write resumed>) = 4194304 [pid 7743] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7743] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7743] ioctl(4, LOOP_SET_FD, 3 [pid 7740] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7743] <... ioctl resumed>) = 0 [pid 7743] close(3) = 0 [pid 7743] mkdir("./bus", 0777) = 0 [pid 7743] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7740] mkdir("./bus", 0777) = 0 [pid 4997] lstat("./138/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7740] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 179.497671][ T7738] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 179.511390][ T7740] loop3: detected capacity change from 0 to 8192 [ 179.518975][ T7738] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 179.528747][ T7738] REISERFS (device loop4): using ordered data mode [ 179.534980][ T7743] loop1: detected capacity change from 0 to 8192 [ 179.535725][ T7738] reiserfs: using flush barriers [pid 4997] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./138/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./138/bus") = 0 [pid 4997] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./138/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./138") = 0 [pid 4997] mkdir("./139", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 179.548632][ T7738] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 179.565522][ T7743] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 179.565669][ T7738] REISERFS (device loop4): checking transaction log (loop4) [ 179.578877][ T7740] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 4997] close(3) = 0 [ 179.586564][ T7738] REISERFS (device loop4): Using r5 hash to sort names [ 179.599356][ T7740] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 179.612926][ T7738] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 179.615654][ T7740] REISERFS (device loop3): using ordered data mode [ 179.634353][ T7740] reiserfs: using flush barriers [ 179.639874][ T7743] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7738] <... mount resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7747 ./strace-static-x86_64: Process 7747 attached [pid 7747] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7747] chdir("./139") = 0 [pid 7747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7747] setpgid(0, 0 [pid 7738] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7747] <... setpgid resumed>) = 0 [pid 7747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7747] write(3, "1000", 4) = 4 [pid 7747] close(3 [pid 7738] <... openat resumed>) = 3 [pid 7747] <... close resumed>) = 0 [pid 7747] symlink("/dev/binderfs", "./binderfs" [pid 7738] chdir("./bus" [pid 7747] <... symlink resumed>) = 0 [pid 7747] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7747] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7747] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7748], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7748 [pid 7747] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7747] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7748 attached [pid 7748] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7748] memfd_create("syzkaller", 0) = 3 [ 179.641299][ T7738] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 179.658186][ T7740] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 179.658427][ T7743] REISERFS (device loop1): using ordered data mode [ 179.680940][ T7743] reiserfs: using flush barriers [pid 7748] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7738] <... chdir resumed>) = 0 [pid 7738] ioctl(4, LOOP_CLR_FD) = 0 [pid 7738] close(4) = 0 [pid 7738] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7737] <... futex resumed>) = 0 [ 179.686872][ T7743] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 179.703830][ T7740] REISERFS (device loop3): checking transaction log (loop3) [ 179.704985][ T7743] REISERFS (device loop1): checking transaction log (loop1) [ 179.719438][ T7743] REISERFS (device loop1): Using r5 hash to sort names [ 179.726516][ T7743] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 179.739315][ T7743] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7738] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7737] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7738] mkdir("./file1", 000 [pid 7737] <... futex resumed>) = 0 [pid 7743] <... mount resumed>) = 0 [pid 7743] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7738] <... mkdir resumed>) = 0 [pid 7737] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7748] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7743] <... openat resumed>) = 3 [pid 7738] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7743] chdir("./bus" [pid 7738] <... futex resumed>) = 1 [pid 7737] <... futex resumed>) = 0 [pid 7743] <... chdir resumed>) = 0 [pid 7738] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7737] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7743] ioctl(4, LOOP_CLR_FD [pid 7738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7737] <... futex resumed>) = 0 [pid 7740] <... mount resumed>) = 0 [pid 7743] <... ioctl resumed>) = 0 [pid 7740] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7738] mkdir("./bus", 000 [pid 7743] close(4 [pid 7737] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7743] <... close resumed>) = 0 [pid 7740] <... openat resumed>) = 3 [pid 7738] <... mkdir resumed>) = 0 [pid 7743] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] chdir("./bus" [pid 7738] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7743] <... futex resumed>) = 1 [pid 7742] <... futex resumed>) = 0 [pid 7740] <... chdir resumed>) = 0 [pid 7738] <... futex resumed>) = 1 [pid 7743] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7742] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] ioctl(4, LOOP_CLR_FD [pid 7738] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7737] <... futex resumed>) = 0 [pid 7743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7742] <... futex resumed>) = 0 [pid 7740] <... ioctl resumed>) = 0 [pid 7737] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7743] mkdir("./file1", 000 [pid 7742] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7740] close(4 [pid 7737] <... futex resumed>) = 1 [pid 7738] <... futex resumed>) = 0 [pid 7743] <... mkdir resumed>) = 0 [pid 7740] <... close resumed>) = 0 [pid 7738] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7737] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7748] <... write resumed>) = 4194304 [pid 7743] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7748] munmap(0x7f6a505d5000, 4194304 [pid 7743] <... futex resumed>) = 1 [pid 7742] <... futex resumed>) = 0 [pid 7740] <... futex resumed>) = 1 [pid 7739] <... futex resumed>) = 0 [pid 7743] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7742] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7739] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7748] <... munmap resumed>) = 0 [pid 7743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7742] <... futex resumed>) = 0 [pid 7740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7739] <... futex resumed>) = 0 [pid 7748] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7743] mkdir("./bus", 000 [pid 7742] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7740] mkdir("./file1", 000 [ 179.749068][ T7740] REISERFS (device loop3): Using r5 hash to sort names [ 179.756124][ T7740] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 179.769527][ T7740] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 179.791835][ T7738] overlayfs: upper fs needs to support d_type. [pid 7739] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7748] <... openat resumed>) = 4 [pid 7743] <... mkdir resumed>) = 0 [pid 7740] <... mkdir resumed>) = 0 [pid 7748] ioctl(4, LOOP_SET_FD, 3 [pid 7743] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7748] <... ioctl resumed>) = 0 [pid 7743] <... futex resumed>) = 1 [pid 7742] <... futex resumed>) = 0 [pid 7740] <... futex resumed>) = 1 [pid 7739] <... futex resumed>) = 0 [pid 7748] close(3 [pid 7739] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7739] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7743] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7748] <... close resumed>) = 0 [pid 7742] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] mkdir("./bus", 000 [pid 7748] mkdir("./bus", 0777 [pid 7742] <... futex resumed>) = 0 [pid 7740] <... mkdir resumed>) = 0 [pid 7748] <... mkdir resumed>) = 0 [pid 7742] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7740] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7748] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7740] <... futex resumed>) = 1 [pid 7739] <... futex resumed>) = 0 [pid 7743] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7740] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7739] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7739] <... futex resumed>) = 0 [pid 7737] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7738] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7738] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7738] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7737] <... futex resumed>) = 0 [pid 7737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [ 179.806786][ T7738] overlayfs: upper fs does not support tmpfile. [ 179.814081][ T7738] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 179.821261][ T7748] loop0: detected capacity change from 0 to 8192 [ 179.828676][ T7738] overlayfs: failed to resolve './file0': -2 [ 179.845506][ T7740] overlayfs: upper fs needs to support d_type. [pid 7737] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7737] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7750], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7750 [pid 7737] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7737] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7750 attached [pid 7742] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7739] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7739] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7739] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7739] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7751], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7751 [pid 7739] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 179.852362][ T7748] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 179.852469][ T7743] overlayfs: upper fs needs to support d_type. [ 179.865343][ T7740] overlayfs: upper fs does not support tmpfile. [ 179.865699][ T7740] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 179.875719][ T7743] overlayfs: upper fs does not support tmpfile. [ 179.877918][ T7748] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 179.877983][ T7748] REISERFS (device loop0): using ordered data mode [pid 7739] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7750] set_robust_list(0x7f6a509d49e0, 24 [pid 7742] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7751 attached [pid 7751] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7751] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7751] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7750] <... set_robust_list resumed>) = 0 [pid 7742] <... futex resumed>) = 0 [pid 7742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7750] mkdir(".", 0777 [pid 7743] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7742] <... mmap resumed>) = 0x7f6a509b4000 [pid 7740] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7742] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7750] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7743] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7742] <... mprotect resumed>) = 0 [ 179.877992][ T7748] reiserfs: using flush barriers [ 179.878683][ T7748] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 179.886319][ T7743] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 179.892067][ T7740] overlayfs: failed to resolve './file0': -2 [ 179.908497][ T7743] overlayfs: failed to resolve './file0': -2 [ 179.928141][ T7748] REISERFS (device loop0): checking transaction log (loop0) [pid 7740] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7750] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7743] <... futex resumed>) = 0 [pid 7740] <... futex resumed>) = 0 [pid 7743] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7740] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7742] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7750] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7750] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] <... futex resumed>) = 0 [pid 7737] exit_group(0 [pid 7738] <... futex resumed>) = ? [pid 7737] <... exit_group resumed>) = ? [pid 7738] +++ exited with 0 +++ [pid 7750] <... futex resumed>) = ? [pid 7750] +++ exited with 0 +++ [pid 7737] +++ exited with 0 +++ [pid 7751] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7751] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] <... futex resumed>) = 0 [pid 7739] exit_group(0 [pid 7740] <... futex resumed>) = ? [pid 7739] <... exit_group resumed>) = ? [pid 7740] +++ exited with 0 +++ [pid 7751] <... futex resumed>) = ? [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7737, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7742] <... clone resumed>, parent_tid=[7752], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7752 [pid 7742] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7751] +++ exited with 0 +++ [pid 7739] +++ exited with 0 +++ ./strace-static-x86_64: Process 7752 attached [pid 7752] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7752] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7752] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7739, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 7742] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... restart_syscall resumed>) = 0 [pid 5000] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 179.956598][ T7751] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 179.960946][ T7750] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 179.972165][ T7748] REISERFS (device loop0): Using r5 hash to sort names [ 179.993830][ T7748] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5000] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7748] <... mount resumed>) = 0 [pid 7748] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7748] chdir("./bus") = 0 [pid 7748] ioctl(4, LOOP_CLR_FD) = 0 [pid 7748] close(4) = 0 [pid 7748] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7748] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7747] <... futex resumed>) = 0 [pid 7747] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7752] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7747] <... futex resumed>) = 1 [pid 7747] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7748] <... futex resumed>) = 0 [pid 7752] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7742] <... futex resumed>) = 0 [pid 7742] exit_group(0) = ? [pid 7743] <... futex resumed>) = ? [pid 7752] <... futex resumed>) = ? [pid 7743] +++ exited with 0 +++ [pid 7748] mkdir("./file1", 000 [pid 7752] +++ exited with 0 +++ [pid 7748] <... mkdir resumed>) = 0 [pid 7742] +++ exited with 0 +++ [pid 7748] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7742, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7748] <... futex resumed>) = 1 [pid 7747] <... futex resumed>) = 0 [pid 4998] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7747] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7748] mkdir("./bus", 000 [pid 7747] <... futex resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7748] <... mkdir resumed>) = 0 [pid 7747] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, [pid 7748] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, [pid 7748] <... futex resumed>) = 1 [pid 7747] <... futex resumed>) = 0 [pid 7748] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7747] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7747] <... futex resumed>) = 0 [ 180.007194][ T7748] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 180.018144][ T7752] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7747] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./140/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./140/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./140/bus") = 0 [pid 5000] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./140/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./140") = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 5000] mkdir("./141", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 5001] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7748] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7753 [pid 7748] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7753 attached ) = 1 [pid 7747] <... futex resumed>) = 0 [pid 5001] lstat("./139/bus", [pid 7748] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7747] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7747] <... futex resumed>) = 0 [pid 7747] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7753] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7753] chdir("./141") = 0 [pid 7753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7753] setpgid(0, 0) = 0 [pid 7753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7753] write(3, "1000", 4) = 4 [pid 7753] close(3) = 0 [pid 7753] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7753] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7753] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7748] mkdir(".", 0777 [pid 5001] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7753] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7754], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7754 [pid 7753] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7753] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7748] <... mkdir resumed>) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 7754 attached [pid 7748] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7754] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7754] memfd_create("syzkaller", 0 [pid 5001] openat(AT_FDCWD, "./139/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7754] <... memfd_create resumed>) = 3 [pid 7754] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] <... openat resumed>) = 4 [ 180.069121][ T7748] overlayfs: upper fs needs to support d_type. [ 180.075351][ T7748] overlayfs: upper fs does not support tmpfile. [ 180.088835][ T7748] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 180.100374][ T7748] overlayfs: failed to resolve './file0': -2 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./139/bus") = 0 [pid 5001] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./139/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./139" [pid 7754] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./140", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 7748] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7755 [pid 7748] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7748] <... futex resumed>) = 1 [pid 7747] <... futex resumed>) = 0 [pid 7747] exit_group(0) = ? [pid 4998] lstat("./140/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./140/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./140/bus") = 0 [pid 4998] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./140/binderfs", [pid 7748] +++ exited with 0 +++ [pid 7747] +++ exited with 0 +++ [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./140/binderfs" [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7747, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 4997] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] close(3 [pid 4997] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, [pid 4998] <... close resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, [pid 4998] rmdir("./140" [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] mkdir("./141", 0777./strace-static-x86_64: Process 7755 attached ) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 7755] set_robust_list(0x5555564f86e0, 24 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 180.135070][ T7748] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7755] <... set_robust_list resumed>) = 0 [pid 4998] close(3 [pid 7755] chdir("./140" [pid 4998] <... close resumed>) = 0 [pid 7755] <... chdir resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7756 [pid 7755] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7756 attached [pid 7755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7754] <... write resumed>) = 4194304 [pid 7755] <... openat resumed>) = 3 [pid 7754] munmap(0x7f6a505d5000, 4194304 [pid 7755] write(3, "1000", 4) = 4 [pid 7755] close(3) = 0 [pid 7755] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7755] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7756] set_robust_list(0x5555564f86e0, 24 [pid 7755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7754] <... munmap resumed>) = 0 [pid 7756] <... set_robust_list resumed>) = 0 [pid 7755] <... mmap resumed>) = 0x7f6a589d5000 [pid 7754] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7756] chdir("./141" [pid 7754] <... openat resumed>) = 4 [pid 7755] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7754] ioctl(4, LOOP_SET_FD, 3 [pid 7756] <... chdir resumed>) = 0 [pid 7755] <... mprotect resumed>) = 0 [pid 7756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7755] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7756] setpgid(0, 0) = 0 [pid 7756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7755] <... clone resumed>, parent_tid=[7757], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7757 [pid 7756] <... openat resumed>) = 3 [pid 7755] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7754] <... ioctl resumed>) = 0 [pid 7756] write(3, "1000", 4./strace-static-x86_64: Process 7757 attached [pid 7755] <... futex resumed>) = 0 [pid 7754] close(3 [pid 7755] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7756] <... write resumed>) = 4 [pid 7756] close(3 [pid 7757] set_robust_list(0x7f6a589f59e0, 24 [pid 7754] <... close resumed>) = 0 [pid 7756] <... close resumed>) = 0 [pid 7757] <... set_robust_list resumed>) = 0 [pid 7754] mkdir("./bus", 0777 [pid 7756] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7756] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7756] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7756] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7758], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7758 [pid 7756] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7756] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7754] <... mkdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./139/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./139/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7754] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4 [pid 7757] memfd_create("syzkaller", 0 [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./139/bus" [pid 7757] <... memfd_create resumed>) = 3 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./139/binderfs"./strace-static-x86_64: Process 7758 attached [pid 7757] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7758] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7758] memfd_create("syzkaller", 0 [pid 7757] <... mmap resumed>) = 0x7f6a505d5000 [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./139") = 0 [pid 7758] <... memfd_create resumed>) = 3 [pid 7758] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] mkdir("./140", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [ 180.226851][ T7754] loop3: detected capacity change from 0 to 8192 [ 180.251414][ T7754] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 180.264478][ T7754] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7758] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7760 ./strace-static-x86_64: Process 7760 attached [pid 7760] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7760] chdir("./140") = 0 [pid 7760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7760] setpgid(0, 0) = 0 [pid 7760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7760] write(3, "1000", 4) = 4 [pid 7760] close(3) = 0 [pid 7760] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7760] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7760] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7760] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7761], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7761 [pid 7760] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7760] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7761 attached [pid 7761] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7761] memfd_create("syzkaller", 0) = 3 [pid 7761] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 180.277446][ T7754] REISERFS (device loop3): using ordered data mode [ 180.283966][ T7754] reiserfs: using flush barriers [ 180.295730][ T7754] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7757] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7758] <... write resumed>) = 4194304 [pid 7758] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7758] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7758] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7758] close(3) = 0 [pid 7758] mkdir("./bus", 0777 [pid 7761] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7758] <... mkdir resumed>) = 0 [ 180.341496][ T7754] REISERFS (device loop3): checking transaction log (loop3) [ 180.358951][ T7758] loop1: detected capacity change from 0 to 8192 [ 180.368874][ T7754] REISERFS (device loop3): Using r5 hash to sort names [pid 7758] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7757] <... write resumed>) = 4194304 [pid 7757] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7757] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7757] ioctl(4, LOOP_SET_FD, 3 [pid 7761] <... write resumed>) = 4194304 [pid 7757] <... ioctl resumed>) = 0 [pid 7757] close(3) = 0 [pid 7757] mkdir("./bus", 0777) = 0 [pid 7757] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7761] munmap(0x7f6a505d5000, 4194304 [pid 7754] <... mount resumed>) = 0 [pid 7754] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7754] chdir("./bus") = 0 [pid 7754] ioctl(4, LOOP_CLR_FD) = 0 [pid 7754] close(4) = 0 [pid 7754] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 180.383841][ T7758] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 180.397507][ T7754] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 180.410284][ T7757] loop4: detected capacity change from 0 to 8192 [ 180.412929][ T7758] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 180.418883][ T7754] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 180.426753][ T7758] REISERFS (device loop1): using ordered data mode [pid 7754] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7761] <... munmap resumed>) = 0 [pid 7753] <... futex resumed>) = 0 [pid 7761] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7753] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7761] <... openat resumed>) = 4 [pid 7754] <... futex resumed>) = 0 [pid 7753] <... futex resumed>) = 1 [pid 7761] ioctl(4, LOOP_SET_FD, 3 [pid 7754] mkdir("./file1", 000 [pid 7753] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7754] <... mkdir resumed>) = 0 [pid 7754] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7753] <... futex resumed>) = 0 [pid 7754] mkdir("./bus", 000 [pid 7753] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7754] <... mkdir resumed>) = 0 [pid 7753] <... futex resumed>) = 0 [pid 7754] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7753] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7754] <... futex resumed>) = 0 [pid 7753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7754] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 180.437483][ T7757] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 180.451938][ T7758] reiserfs: using flush barriers [ 180.460919][ T7758] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 180.462333][ T7761] loop0: detected capacity change from 0 to 8192 [ 180.477836][ T7758] REISERFS (device loop1): checking transaction log (loop1) [pid 7753] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7753] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7761] <... ioctl resumed>) = 0 [pid 7761] close(3) = 0 [pid 7761] mkdir("./bus", 0777) = 0 [ 180.488554][ T7757] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 180.492080][ T7758] REISERFS (device loop1): Using r5 hash to sort names [ 180.500481][ T7754] overlayfs: upper fs needs to support d_type. [ 180.506916][ T7758] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 180.517954][ T7754] overlayfs: upper fs does not support tmpfile. [ 180.526286][ T7758] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7761] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7753] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7758] <... mount resumed>) = 0 [pid 7758] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7753] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7758] chdir("./bus" [pid 7753] <... futex resumed>) = 0 [pid 7758] <... chdir resumed>) = 0 [pid 7753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7758] ioctl(4, LOOP_CLR_FD [pid 7753] <... mmap resumed>) = 0x7f6a509b4000 [pid 7758] <... ioctl resumed>) = 0 [pid 7753] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7758] close(4 [pid 7753] <... mprotect resumed>) = 0 [ 180.532932][ T7757] REISERFS (device loop4): using ordered data mode [ 180.541561][ T7754] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 180.547984][ T7761] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 180.555980][ T7754] overlayfs: failed to resolve './file0': -2 [pid 7758] <... close resumed>) = 0 [pid 7753] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7758] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7756] <... futex resumed>) = 0 [pid 7758] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7756] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7753] <... clone resumed>, parent_tid=[7765], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7765 [pid 7756] <... futex resumed>) = 0 [pid 7758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7756] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7754] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7753] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7765 attached [pid 7765] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7765] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7765] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7758] mkdir("./file1", 000 [pid 7754] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7753] <... futex resumed>) = 0 [pid 7758] <... mkdir resumed>) = 0 [pid 7754] <... futex resumed>) = 0 [ 180.584270][ T7761] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 180.585583][ T7757] reiserfs: using flush barriers [ 180.600609][ T7761] REISERFS (device loop0): using ordered data mode [ 180.608702][ T7761] reiserfs: using flush barriers [ 180.614652][ T7757] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7753] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7758] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7754] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7758] <... futex resumed>) = 1 [pid 7756] <... futex resumed>) = 0 [pid 7758] mkdir("./bus", 000 [pid 7756] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7758] <... mkdir resumed>) = 0 [pid 7756] <... futex resumed>) = 0 [pid 7758] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7758] <... futex resumed>) = 0 [pid 7756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7758] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 180.615363][ T7761] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 180.631052][ T7757] REISERFS (device loop4): checking transaction log (loop4) [ 180.655075][ T7761] REISERFS (device loop0): checking transaction log (loop0) [ 180.656246][ T7758] overlayfs: upper fs needs to support d_type. [ 180.662835][ T7757] REISERFS (device loop4): Using r5 hash to sort names [ 180.669303][ T7765] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7756] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7756] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7765] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7765] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7753] <... futex resumed>) = 0 [pid 7753] exit_group(0 [pid 7754] <... futex resumed>) = ? [pid 7753] <... exit_group resumed>) = ? [pid 7754] +++ exited with 0 +++ [pid 7765] <... futex resumed>) = ? [pid 7765] +++ exited with 0 +++ [pid 7753] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7753, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 180.676456][ T7757] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 180.704362][ T7758] overlayfs: upper fs does not support tmpfile. [ 180.711451][ T7758] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 180.719149][ T7757] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 180.728252][ T7761] REISERFS (device loop0): Using r5 hash to sort names [pid 5000] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7757] <... mount resumed>) = 0 [pid 7757] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7757] chdir("./bus") = 0 [pid 7757] ioctl(4, LOOP_CLR_FD) = 0 [pid 7757] close(4 [pid 7756] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7756] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7756] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7756] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7756] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7766], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7766 [pid 7756] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7756] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7757] <... close resumed>) = 0 [pid 7757] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7755] <... futex resumed>) = 0 [pid 7755] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7755] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7757] <... futex resumed>) = 1 [pid 7757] mkdir("./file1", 000) = 0 [pid 7757] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7755] <... futex resumed>) = 0 [pid 7755] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7755] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7757] <... futex resumed>) = 1 [pid 7757] mkdir("./bus", 000) = 0 [pid 7757] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7755] <... futex resumed>) = 0 [pid 7755] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7755] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7757] <... futex resumed>) = 1 [pid 7757] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,"./strace-static-x86_64: Process 7766 attached [pid 7766] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7766] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7766] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7758] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 180.728460][ T7761] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 180.758189][ T7758] overlayfs: failed to resolve './file0': -2 [ 180.776988][ T7757] overlayfs: upper fs needs to support d_type. [pid 7758] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 7761] <... mount resumed>) = 0 [pid 7758] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7766] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7766] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7755] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7755] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 7756] <... futex resumed>) = 0 [pid 7756] exit_group(0 [pid 7755] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7756] <... exit_group resumed>) = ? [pid 7755] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7755] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7755] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7768], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7768 [pid 7755] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7755] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7766] <... futex resumed>) = ? [pid 7766] +++ exited with 0 +++ ./strace-static-x86_64: Process 7768 attached [pid 7768] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7768] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7768] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7761] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7758] <... futex resumed>) = ? [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7758] +++ exited with 0 +++ [pid 7756] +++ exited with 0 +++ [pid 7761] <... openat resumed>) = 3 [pid 5000] lstat("./141/bus", [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7756, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7761] chdir("./bus" [pid 4998] <... restart_syscall resumed>) = 0 [pid 7761] <... chdir resumed>) = 0 [pid 5000] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7761] ioctl(4, LOOP_CLR_FD [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7761] <... ioctl resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./141/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7761] close(4 [pid 4998] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 4 [pid 7761] <... close resumed>) = 0 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7761] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] fstat(4, [pid 7761] <... futex resumed>) = 1 [pid 7760] <... futex resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7760] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7761] mkdir("./file1", 000 [pid 7760] <... futex resumed>) = 0 [pid 7761] <... mkdir resumed>) = 0 [pid 7760] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] getdents64(4, [pid 7761] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7760] <... futex resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7761] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7760] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7760] <... futex resumed>) = 0 [pid 5000] getdents64(4, [pid 7761] mkdir("./bus", 000 [pid 7760] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7761] <... mkdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7761] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(4 [pid 7761] <... futex resumed>) = 1 [pid 7760] <... futex resumed>) = 0 [pid 7761] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] <... close resumed>) = 0 [pid 7760] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7760] <... futex resumed>) = 0 [pid 5000] rmdir("./141/bus" [pid 7761] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7760] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... rmdir resumed>) = 0 [ 180.790021][ T7761] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 180.794127][ T7766] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 180.803557][ T7757] overlayfs: upper fs does not support tmpfile. [ 180.835830][ T7761] overlayfs: upper fs needs to support d_type. [pid 5000] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./141/binderfs", [pid 7760] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./141/binderfs") = 0 [pid 5000] getdents64(3, [pid 7760] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7768] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] close(3 [pid 7760] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 7760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] rmdir("./141" [pid 7768] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... rmdir resumed>) = 0 [pid 7755] <... futex resumed>) = 0 [pid 5000] mkdir("./142", 0777 [pid 7768] <... futex resumed>) = 1 [pid 7760] <... mmap resumed>) = 0x7f6a509b4000 [pid 7768] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] <... mkdir resumed>) = 0 [pid 7760] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 7760] <... mprotect resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 180.836176][ T7757] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 180.849246][ T7761] overlayfs: upper fs does not support tmpfile. [ 180.855314][ T7757] overlayfs: failed to resolve './file0': -2 [ 180.860656][ T7761] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 180.868859][ T7768] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7760] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7760] <... clone resumed>, parent_tid=[7769], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7769 [pid 7760] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7770 [pid 7760] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7770 attached [pid 7770] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7770] chdir("./142") = 0 [pid 7770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7770] setpgid(0, 0) = 0 [pid 7770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7769 attached [pid 7769] set_robust_list(0x7f6a509d49e0, 24 [pid 7770] <... openat resumed>) = 3 [pid 7769] <... set_robust_list resumed>) = 0 [pid 7769] mkdir(".", 0777 [pid 7770] write(3, "1000", 4 [pid 7769] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7770] <... write resumed>) = 4 [pid 7770] close(3 [pid 7769] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7770] <... close resumed>) = 0 [pid 7770] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7770] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7761] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7770] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7761] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7770] <... mprotect resumed>) = 0 [pid 7761] <... futex resumed>) = 0 [pid 7757] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7770] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7761] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7757] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7755] exit_group(0 [pid 7770] <... clone resumed>, parent_tid=[7771], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7771 [pid 7768] <... futex resumed>) = ? [pid 7755] <... exit_group resumed>) = ? [pid 7770] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7768] +++ exited with 0 +++ [pid 7770] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7771 attached [pid 7770] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7757] +++ exited with 0 +++ [pid 7755] +++ exited with 0 +++ [pid 4998] lstat("./141/bus", [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7755, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [ 180.904026][ T7761] overlayfs: failed to resolve './file0': -2 [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./141/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4 [pid 7771] set_robust_list(0x7f6a589f59e0, 24 [pid 4998] <... close resumed>) = 0 [pid 7771] <... set_robust_list resumed>) = 0 [pid 7771] memfd_create("syzkaller", 0 [pid 4998] rmdir("./141/bus") = 0 [pid 7771] <... memfd_create resumed>) = 3 [pid 7771] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./141/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./141") = 0 [pid 4998] mkdir("./142", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7772 ./strace-static-x86_64: Process 7772 attached [pid 7769] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7772] set_robust_list(0x5555564f86e0, 24 [pid 7769] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... set_robust_list resumed>) = 0 [pid 7772] chdir("./142") = 0 [pid 7772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7772] setpgid(0, 0 [pid 7760] <... futex resumed>) = 0 [pid 7772] <... setpgid resumed>) = 0 [pid 7769] <... futex resumed>) = 1 [pid 7760] exit_group(0 [pid 7772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7761] <... futex resumed>) = ? [pid 7760] <... exit_group resumed>) = ? [pid 7772] <... openat resumed>) = 3 [pid 7761] +++ exited with 0 +++ [pid 7772] write(3, "1000", 4) = 4 [pid 7772] close(3) = 0 [pid 7772] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7772] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7772] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7772] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7769] +++ exited with 0 +++ [pid 7760] +++ exited with 0 +++ [pid 7772] <... clone resumed>, parent_tid=[7773], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7773 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7760, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 7772] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... restart_syscall resumed>) = 0 [pid 7772] <... futex resumed>) = 0 [pid 7772] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7773 attached [ 180.942676][ T7769] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7773] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7773] memfd_create("syzkaller", 0) = 3 [pid 7773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7771] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./140/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./140/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./140/bus") = 0 [pid 5001] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./140/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./140") = 0 [pid 5001] mkdir("./141", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7774 ./strace-static-x86_64: Process 7774 attached [pid 7774] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7774] chdir("./141") = 0 [pid 7774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7774] setpgid(0, 0) = 0 [pid 7774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7774] write(3, "1000", 4 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7774] <... write resumed>) = 4 [pid 7774] close(3 [pid 4997] lstat("./140/bus", [pid 7774] <... close resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7774] symlink("/dev/binderfs", "./binderfs" [pid 4997] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./140/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7774] <... symlink resumed>) = 0 [pid 4997] getdents64(4, [pid 7774] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7774] <... futex resumed>) = 0 [pid 4997] getdents64(4, [pid 7774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7773] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7774] <... mmap resumed>) = 0x7f6a589d5000 [pid 7774] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7774] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] close(4 [pid 7774] <... clone resumed>, parent_tid=[7775], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7775 [pid 7774] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... close resumed>) = 0 ./strace-static-x86_64: Process 7775 attached [pid 7774] <... futex resumed>) = 0 [pid 7771] <... write resumed>) = 4194304 [pid 7775] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7775] memfd_create("syzkaller", 0 [pid 7774] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] rmdir("./140/bus" [pid 7775] <... memfd_create resumed>) = 3 [pid 7775] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] <... rmdir resumed>) = 0 [pid 7771] munmap(0x7f6a505d5000, 4194304 [pid 4997] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./140/binderfs" [pid 7771] <... munmap resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 7771] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7771] <... openat resumed>) = 4 [pid 7771] ioctl(4, LOOP_SET_FD, 3 [pid 4997] close(3) = 0 [pid 4997] rmdir("./140") = 0 [pid 4997] mkdir("./141", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 7771] <... ioctl resumed>) = 0 [pid 7771] close(3) = 0 [pid 7771] mkdir("./bus", 0777) = 0 [pid 7773] <... write resumed>) = 4194304 [pid 7771] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7773] munmap(0x7f6a505d5000, 4194304 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7776 [pid 7773] <... munmap resumed>) = 0 [pid 7773] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7776 attached [pid 7775] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7773] <... openat resumed>) = 4 [ 181.092448][ T7771] loop3: detected capacity change from 0 to 8192 [ 181.122598][ T7771] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7776] set_robust_list(0x5555564f86e0, 24 [pid 7773] ioctl(4, LOOP_SET_FD, 3 [pid 7776] <... set_robust_list resumed>) = 0 [pid 7776] chdir("./141" [pid 7775] <... write resumed>) = 4194304 [pid 7773] <... ioctl resumed>) = 0 [pid 7776] <... chdir resumed>) = 0 [pid 7776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7776] setpgid(0, 0) = 0 [pid 7776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7776] write(3, "1000", 4) = 4 [pid 7776] close(3) = 0 [pid 7776] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7776] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7776] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7776] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7775] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7776] <... clone resumed>, parent_tid=[7778], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7778 [pid 7776] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7776] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7775] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7775] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7778 attached [pid 7773] close(3) = 0 [pid 7773] mkdir("./bus", 0777) = 0 [ 181.137468][ T7771] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 181.147422][ T7771] REISERFS (device loop3): using ordered data mode [ 181.147474][ T7773] loop1: detected capacity change from 0 to 8192 [ 181.153943][ T7771] reiserfs: using flush barriers [ 181.155390][ T7771] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 181.179288][ T7775] loop4: detected capacity change from 0 to 8192 [pid 7773] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7778] set_robust_list(0x7f6a589f59e0, 24 [pid 7775] <... ioctl resumed>) = 0 [pid 7778] <... set_robust_list resumed>) = 0 [pid 7778] memfd_create("syzkaller", 0) = 3 [pid 7778] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7775] close(3) = 0 [pid 7775] mkdir("./bus", 0777) = 0 [pid 7775] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 181.182635][ T7771] REISERFS (device loop3): checking transaction log (loop3) [ 181.194843][ T7773] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 181.210217][ T7771] REISERFS (device loop3): Using r5 hash to sort names [ 181.217854][ T7771] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7778] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7778] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7778] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7778] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7778] close(3) = 0 [pid 7778] mkdir("./bus", 0777) = 0 [pid 7778] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7771] <... mount resumed>) = 0 [ 181.231034][ T7775] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 181.231238][ T7773] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 181.251253][ T7778] loop0: detected capacity change from 0 to 8192 [ 181.260703][ T7771] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 181.261662][ T7773] REISERFS (device loop1): using ordered data mode [ 181.270896][ T7775] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 181.276676][ T7773] reiserfs: using flush barriers [pid 7771] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7771] chdir("./bus") = 0 [pid 7771] ioctl(4, LOOP_CLR_FD) = 0 [ 181.291729][ T7778] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 181.291806][ T7775] REISERFS (device loop4): using ordered data mode [ 181.305475][ T7778] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 181.312394][ T7775] reiserfs: using flush barriers [ 181.320763][ T7773] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7771] close(4) = 0 [pid 7771] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7770] <... futex resumed>) = 0 [pid 7771] mkdir("./file1", 000 [pid 7770] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] <... mkdir resumed>) = 0 [pid 7770] <... futex resumed>) = 0 [pid 7771] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7770] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7771] <... futex resumed>) = 0 [pid 7770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7771] mkdir("./bus", 000 [pid 7770] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] <... mkdir resumed>) = 0 [pid 7770] <... futex resumed>) = 0 [pid 7771] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7770] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7771] <... futex resumed>) = 0 [pid 7770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7771] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7770] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 181.327273][ T7775] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 181.358416][ T7775] REISERFS (device loop4): checking transaction log (loop4) [ 181.362117][ T7771] overlayfs: upper fs needs to support d_type. [ 181.366390][ T7775] REISERFS (device loop4): Using r5 hash to sort names [ 181.379250][ T7775] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7770] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7775] <... mount resumed>) = 0 [pid 7775] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 181.389253][ T7771] overlayfs: upper fs does not support tmpfile. [ 181.391981][ T7775] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 181.407911][ T7778] REISERFS (device loop0): using ordered data mode [ 181.414454][ T7778] reiserfs: using flush barriers [ 181.420991][ T7773] REISERFS (device loop1): checking transaction log (loop1) [pid 7775] chdir("./bus") = 0 [pid 7775] ioctl(4, LOOP_CLR_FD [pid 7770] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7770] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7770] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7770] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7782], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7782 [pid 7770] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7770] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7775] <... ioctl resumed>) = 0 [pid 7775] close(4) = 0 [pid 7775] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7782 attached ) = 1 [pid 7774] <... futex resumed>) = 0 [pid 7782] set_robust_list(0x7f6a509d49e0, 24 [pid 7775] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7774] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7782] <... set_robust_list resumed>) = 0 [pid 7775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7774] <... futex resumed>) = 0 [pid 7782] mkdir(".", 0777 [pid 7775] mkdir("./file1", 000 [pid 7774] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7782] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7775] <... mkdir resumed>) = 0 [pid 7782] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7775] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7774] <... futex resumed>) = 0 [pid 7775] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7774] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7774] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 181.421768][ T7778] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 181.429575][ T7771] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 181.452489][ T7773] REISERFS (device loop1): Using r5 hash to sort names [ 181.459741][ T7773] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 181.474490][ T7771] overlayfs: failed to resolve './file0': -2 [pid 7775] mkdir("./bus", 000) = 0 [pid 7782] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7775] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7773] <... mount resumed>) = 0 [pid 7775] <... futex resumed>) = 1 [pid 7774] <... futex resumed>) = 0 [pid 7775] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7774] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7782] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7774] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7782] <... futex resumed>) = 1 [pid 7782] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7773] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7773] chdir("./bus") = 0 [pid 7773] ioctl(4, LOOP_CLR_FD) = 0 [pid 7773] close(4) = 0 [pid 7773] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... futex resumed>) = 0 [pid 7772] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7772] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7773] <... futex resumed>) = 1 [pid 7773] mkdir("./file1", 000) = 0 [pid 7773] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... futex resumed>) = 0 [pid 7772] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7772] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7773] <... futex resumed>) = 1 [pid 7773] mkdir("./bus", 000) = 0 [pid 7773] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... futex resumed>) = 0 [pid 7772] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7772] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7770] <... futex resumed>) = 0 [pid 7773] <... futex resumed>) = 1 [ 181.490675][ T7782] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 181.499844][ T7778] REISERFS (device loop0): checking transaction log (loop0) [ 181.505751][ T7773] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 181.514680][ T7778] REISERFS (device loop0): Using r5 hash to sort names [ 181.530963][ T7778] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7773] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7771] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7778] <... mount resumed>) = 0 [pid 7771] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7778] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7774] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7771] <... futex resumed>) = 0 [pid 7770] exit_group(0 [pid 7774] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7774] <... futex resumed>) = 0 [pid 7772] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7772] <... futex resumed>) = 0 [pid 7774] <... mmap resumed>) = 0x7f6a509b4000 [pid 7772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7774] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7772] <... mmap resumed>) = 0x7f6a509b4000 [pid 7782] <... futex resumed>) = ? [pid 7778] <... openat resumed>) = 3 [pid 7774] <... mprotect resumed>) = 0 [pid 7772] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7770] <... exit_group resumed>) = ? [pid 7782] +++ exited with 0 +++ [pid 7774] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7772] <... mprotect resumed>) = 0 [pid 7772] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7774] <... clone resumed>, parent_tid=[7783], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7783 [pid 7774] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... clone resumed>, parent_tid=[7784], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7784 [pid 7774] <... futex resumed>) = 0 [pid 7772] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7774] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7772] <... futex resumed>) = 0 [pid 7772] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7771] +++ exited with 0 +++ [pid 7770] +++ exited with 0 +++ ./strace-static-x86_64: Process 7784 attached [pid 7778] chdir("./bus" [pid 7784] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7784] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7784] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7770, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- ./strace-static-x86_64: Process 7783 attached [pid 7778] <... chdir resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 7778] ioctl(4, LOOP_CLR_FD [pid 5000] <... restart_syscall resumed>) = 0 [pid 7778] <... ioctl resumed>) = 0 [ 181.544291][ T7775] overlayfs: upper fs needs to support d_type. [ 181.550907][ T7773] overlayfs: upper fs needs to support d_type. [ 181.553291][ T7778] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 181.557077][ T7773] overlayfs: upper fs does not support tmpfile. [ 181.566794][ T7775] overlayfs: upper fs does not support tmpfile. [ 181.573234][ T7773] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7778] close(4 [pid 7783] set_robust_list(0x7f6a509d49e0, 24 [pid 7778] <... close resumed>) = 0 [pid 7783] <... set_robust_list resumed>) = 0 [pid 7783] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7783] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7778] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7778] <... futex resumed>) = 1 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7778] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7776] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7776] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 7776] <... futex resumed>) = 1 [pid 5000] fstat(3, [pid 7778] <... futex resumed>) = 0 [pid 7778] mkdir("./file1", 000 [pid 7776] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7778] <... mkdir resumed>) = 0 [pid 5000] getdents64(3, [pid 7778] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7784] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7778] <... futex resumed>) = 1 [pid 7776] <... futex resumed>) = 0 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7784] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7778] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7776] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7784] <... futex resumed>) = 1 [pid 7778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7776] <... futex resumed>) = 0 [pid 7784] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7778] mkdir("./bus", 000 [pid 7776] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7778] <... mkdir resumed>) = 0 [pid 7772] <... futex resumed>) = 0 [pid 7778] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7776] <... futex resumed>) = 0 [pid 7778] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7776] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7776] <... futex resumed>) = 0 [pid 7778] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 181.595434][ T7784] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 181.601585][ T7775] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 181.612417][ T7773] overlayfs: failed to resolve './file0': -2 [ 181.627429][ T7783] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7776] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7783] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7783] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7783] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7774] <... futex resumed>) = 0 [pid 7773] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7773] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7773] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7775] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7775] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] exit_group(0 [pid 7774] exit_group(0 [pid 7773] <... futex resumed>) = ? [pid 7772] <... exit_group resumed>) = ? [pid 7773] +++ exited with 0 +++ [pid 7784] <... futex resumed>) = ? [pid 7775] <... futex resumed>) = 0 [pid 7784] +++ exited with 0 +++ [pid 7783] <... futex resumed>) = ? [pid 7774] <... exit_group resumed>) = ? [pid 7772] +++ exited with 0 +++ [pid 7775] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7772, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7783] +++ exited with 0 +++ [pid 7774] +++ exited with 0 +++ [pid 7776] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7774, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7776] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7778] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7776] <... futex resumed>) = 0 [pid 4998] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7778] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] <... mmap resumed>) = 0x7f6a509b4000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7776] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5001] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... openat resumed>) = 3 [pid 7778] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 7778] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7776] <... mprotect resumed>) = 0 [pid 5001] fstat(3, [pid 4998] fstat(3, [pid 7776] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 4998] getdents64(3, [pid 7776] <... clone resumed>, parent_tid=[7785], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7785 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7776] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7776] <... futex resumed>) = 0 [pid 4998] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7776] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7785 attached [pid 7785] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7785] mkdir(".", 0777) = -1 EEXIST (File exists) [ 181.643462][ T7775] overlayfs: failed to resolve './file0': -2 [ 181.650043][ T7778] overlayfs: upper fs needs to support d_type. [ 181.656641][ T7778] overlayfs: upper fs does not support tmpfile. [ 181.663678][ T7778] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 181.672716][ T7778] overlayfs: failed to resolve './file0': -2 [pid 7785] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./142/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./142/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./142/bus") = 0 [pid 5000] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./142/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./142") = 0 [pid 5000] mkdir("./143", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] lstat("./142/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 181.708051][ T7785] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] openat(AT_FDCWD, "./142/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7786 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7785] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7786 attached [pid 7785] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] lstat("./141/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./141/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./141/bus") = 0 [pid 5001] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./141/binderfs" [pid 7786] set_robust_list(0x5555564f86e0, 24 [pid 7785] <... futex resumed>) = 1 [pid 7776] <... futex resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] getdents64(4, [pid 7776] exit_group(0 [pid 5001] getdents64(3, [pid 7778] <... futex resumed>) = ? [pid 7776] <... exit_group resumed>) = ? [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7778] +++ exited with 0 +++ [pid 5001] close(3) = 0 [pid 5001] rmdir("./141" [pid 7786] <... set_robust_list resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./142", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 7786] chdir("./143") = 0 [pid 7785] +++ exited with 0 +++ [pid 7776] +++ exited with 0 +++ [pid 5001] <... close resumed>) = 0 [pid 4998] close(4 [pid 7786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... close resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7776, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 7786] <... prctl resumed>) = 0 [pid 4998] rmdir("./142/bus" [pid 7786] setpgid(0, 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7787 [pid 4998] <... rmdir resumed>) = 0 [pid 7786] <... setpgid resumed>) = 0 [pid 4998] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7786] <... openat resumed>) = 3 [pid 4998] lstat("./142/binderfs", [pid 4997] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7786] write(3, "1000", 4 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... openat resumed>) = 3 [pid 7786] <... write resumed>) = 4 [pid 4998] unlink("./142/binderfs" [pid 4997] fstat(3, ./strace-static-x86_64: Process 7787 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7787] set_robust_list(0x5555564f86e0, 24) = 0 [pid 4997] getdents64(3, [pid 7787] chdir("./142" [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7787] <... chdir resumed>) = 0 [pid 4997] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7787] setpgid(0, 0) = 0 [pid 7787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7787] write(3, "1000", 4) = 4 [pid 7787] close(3) = 0 [pid 7787] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7787] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7787] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7787] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7788], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7788 [pid 7787] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7787] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7788 attached [pid 7788] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7788] memfd_create("syzkaller", 0) = 3 [pid 7788] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7786] close(3 [pid 4998] <... unlink resumed>) = 0 [pid 7786] <... close resumed>) = 0 [pid 7786] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4998] getdents64(3, [pid 7786] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7786] <... futex resumed>) = 0 [pid 4998] close(3 [pid 7786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] <... close resumed>) = 0 [pid 7786] <... mmap resumed>) = 0x7f6a589d5000 [pid 4998] rmdir("./142") = 0 [pid 7786] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4998] mkdir("./143", 0777 [pid 7786] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7786] <... clone resumed>, parent_tid=[7789], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7789 [pid 4998] <... openat resumed>) = 3 [pid 7786] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 7786] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] close(3./strace-static-x86_64: Process 7789 attached ) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7789] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7790 [pid 7789] memfd_create("syzkaller", 0) = 3 [pid 7789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7788] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7790 attached [pid 7790] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7790] chdir("./143") = 0 [pid 7790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7790] setpgid(0, 0) = 0 [pid 7790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7790] write(3, "1000", 4) = 4 [pid 7790] close(3) = 0 [pid 7790] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7790] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7790] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7790] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7791], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7791 [pid 7790] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7790] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7791 attached [pid 7791] set_robust_list(0x7f6a589f59e0, 24 [pid 7789] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7791] <... set_robust_list resumed>) = 0 [pid 7791] memfd_create("syzkaller", 0) = 3 [pid 7791] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./141/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./141/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./141/bus") = 0 [pid 4997] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./141/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./141") = 0 [pid 4997] mkdir("./142", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7792 ./strace-static-x86_64: Process 7792 attached [pid 7792] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7792] chdir("./142") = 0 [pid 7792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7792] setpgid(0, 0) = 0 [pid 7792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7788] <... write resumed>) = 4194304 [pid 7792] write(3, "1000", 4) = 4 [pid 7792] close(3) = 0 [pid 7792] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7792] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7792] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7792] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7788] munmap(0x7f6a505d5000, 4194304./strace-static-x86_64: Process 7793 attached [pid 7791] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7788] <... munmap resumed>) = 0 [pid 7792] <... clone resumed>, parent_tid=[7793], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7793 [pid 7792] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7792] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7788] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7788] ioctl(4, LOOP_SET_FD, 3 [pid 7793] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7788] <... ioctl resumed>) = 0 [pid 7788] close(3) = 0 [pid 7788] mkdir("./bus", 0777 [pid 7793] memfd_create("syzkaller", 0) = 3 [pid 7793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7788] <... mkdir resumed>) = 0 [pid 7788] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7789] <... write resumed>) = 4194304 [pid 7789] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7789] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7789] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7793] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7791] <... write resumed>) = 4194304 [ 181.926266][ T7788] loop4: detected capacity change from 0 to 8192 [ 181.946244][ T7788] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 181.967299][ T7789] loop3: detected capacity change from 0 to 8192 [pid 7789] close(3) = 0 [pid 7789] mkdir("./bus", 0777) = 0 [pid 7789] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7791] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7791] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 181.974121][ T7788] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 181.983886][ T7788] REISERFS (device loop4): using ordered data mode [ 181.990867][ T7788] reiserfs: using flush barriers [ 181.991904][ T7789] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 182.009564][ T7788] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7791] ioctl(4, LOOP_SET_FD, 3 [pid 7793] <... write resumed>) = 4194304 [pid 7793] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7791] <... ioctl resumed>) = 0 [pid 7793] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7791] close(3 [pid 7793] ioctl(4, LOOP_SET_FD, 3 [pid 7791] <... close resumed>) = 0 [pid 7791] mkdir("./bus", 0777 [pid 7793] <... ioctl resumed>) = 0 [ 182.010661][ T7791] loop1: detected capacity change from 0 to 8192 [ 182.030370][ T7788] REISERFS (device loop4): checking transaction log (loop4) [ 182.040786][ T7789] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 182.050965][ T7788] REISERFS (device loop4): Using r5 hash to sort names [ 182.051629][ T7789] REISERFS (device loop3): using ordered data mode [ 182.058243][ T7793] loop0: detected capacity change from 0 to 8192 [ 182.065461][ T7789] reiserfs: using flush barriers [pid 7791] <... mkdir resumed>) = 0 [pid 7793] close(3 [pid 7791] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7793] <... close resumed>) = 0 [pid 7788] <... mount resumed>) = 0 [pid 7793] mkdir("./bus", 0777) = 0 [pid 7793] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7788] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7788] chdir("./bus") = 0 [pid 7788] ioctl(4, LOOP_CLR_FD) = 0 [ 182.071882][ T7788] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 182.077349][ T7789] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 182.089120][ T7788] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 182.105653][ T7789] REISERFS (device loop3): checking transaction log (loop3) [pid 7788] close(4) = 0 [pid 7788] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] <... futex resumed>) = 0 [pid 7787] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7787] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7788] <... futex resumed>) = 1 [ 182.122495][ T7793] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 182.122707][ T7789] REISERFS (device loop3): Using r5 hash to sort names [ 182.135841][ T7791] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 182.142568][ T7789] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 182.168162][ T7789] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7788] mkdir("./file1", 000 [pid 7789] <... mount resumed>) = 0 [pid 7789] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7788] <... mkdir resumed>) = 0 [pid 7788] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] <... futex resumed>) = 0 [pid 7787] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7787] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7788] <... futex resumed>) = 1 [pid 7788] mkdir("./bus", 000 [pid 7789] <... openat resumed>) = 3 [pid 7788] <... mkdir resumed>) = 0 [pid 7788] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] <... futex resumed>) = 0 [pid 7787] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7788] <... futex resumed>) = 1 [pid 7787] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7788] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 182.177568][ T7793] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 182.186816][ T7793] REISERFS (device loop0): using ordered data mode [ 182.193632][ T7793] reiserfs: using flush barriers [ 182.199477][ T7791] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 182.199614][ T7793] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7789] chdir("./bus") = 0 [pid 7789] ioctl(4, LOOP_CLR_FD) = 0 [ 182.208694][ T7791] REISERFS (device loop1): using ordered data mode [ 182.226783][ T7788] overlayfs: upper fs needs to support d_type. [ 182.231676][ T7791] reiserfs: using flush barriers [ 182.243696][ T7793] REISERFS (device loop0): checking transaction log (loop0) [ 182.246086][ T7791] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 182.251253][ T7788] overlayfs: upper fs does not support tmpfile. [pid 7789] close(4) = 0 [pid 7787] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7787] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7789] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7789] <... futex resumed>) = 1 [pid 7787] <... mprotect resumed>) = 0 [pid 7786] <... futex resumed>) = 0 [pid 7787] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7798], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7798 [pid 7787] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7787] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7798 attached [pid 7789] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [ 182.268227][ T7793] REISERFS (device loop0): Using r5 hash to sort names [ 182.274331][ T7788] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 182.298571][ T7788] overlayfs: failed to resolve './file0': -2 [ 182.302872][ T7793] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 182.308064][ T7791] REISERFS (device loop1): checking transaction log (loop1) [pid 7786] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7798] set_robust_list(0x7f6a509d49e0, 24 [pid 7789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7786] <... futex resumed>) = 0 [pid 7798] <... set_robust_list resumed>) = 0 [pid 7789] mkdir("./file1", 000 [pid 7786] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7798] mkdir(".", 0777 [pid 7789] <... mkdir resumed>) = 0 [pid 7798] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7789] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7798] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7789] <... futex resumed>) = 1 [pid 7786] <... futex resumed>) = 0 [pid 7789] mkdir("./bus", 000 [pid 7786] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7789] <... mkdir resumed>) = 0 [pid 7786] <... futex resumed>) = 0 [pid 7789] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7786] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7789] <... futex resumed>) = 0 [pid 7786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7789] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7786] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7786] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7788] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7793] <... mount resumed>) = 0 [pid 7793] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7793] chdir("./bus") = 0 [pid 7793] ioctl(4, LOOP_CLR_FD) = 0 [pid 7793] close(4 [pid 7788] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7788] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7793] <... close resumed>) = 0 [pid 7793] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] <... futex resumed>) = 0 [pid 7792] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7792] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7793] <... futex resumed>) = 1 [pid 7793] mkdir("./file1", 000) = 0 [pid 7793] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] <... futex resumed>) = 0 [ 182.319002][ T7793] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 182.331961][ T7789] overlayfs: upper fs needs to support d_type. [ 182.335138][ T7798] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 182.339957][ T7789] overlayfs: upper fs does not support tmpfile. [ 182.362106][ T7791] REISERFS (device loop1): Using r5 hash to sort names [ 182.362281][ T7789] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7792] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7792] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7793] <... futex resumed>) = 1 [pid 7793] mkdir("./bus", 000) = 0 [pid 7793] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] <... futex resumed>) = 0 [pid 7792] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7792] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7793] <... futex resumed>) = 1 [pid 7793] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7798] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7786] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7786] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7786] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7799], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7799 [pid 7786] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7786] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7798] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7798] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7787] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7799 attached [pid 7791] <... mount resumed>) = 0 [pid 7787] exit_group(0 [pid 7791] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7791] chdir("./bus") = 0 [pid 7791] ioctl(4, LOOP_CLR_FD) = 0 [pid 7791] close(4) = 0 [pid 7791] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7791] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7799] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7799] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7799] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7798] <... futex resumed>) = ? [pid 7788] <... futex resumed>) = ? [pid 7787] <... exit_group resumed>) = ? [pid 7798] +++ exited with 0 +++ [pid 7789] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7788] +++ exited with 0 +++ [pid 7787] +++ exited with 0 +++ [pid 7789] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7787, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7789] <... futex resumed>) = 0 [pid 7789] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7792] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7790] <... futex resumed>) = 0 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7792] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7792] <... futex resumed>) = 0 [pid 7790] <... futex resumed>) = 1 [pid 7792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7790] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7792] <... mmap resumed>) = 0x7f6a509b4000 [pid 7792] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7792] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7791] <... futex resumed>) = 0 [pid 7791] mkdir("./file1", 000 [pid 7792] <... clone resumed>, parent_tid=[7800], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7800 [ 182.379439][ T7789] overlayfs: failed to resolve './file0': -2 [ 182.382963][ T7791] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 182.399348][ T7793] overlayfs: upper fs needs to support d_type. [ 182.405517][ T7793] overlayfs: upper fs does not support tmpfile. [ 182.411525][ T7791] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 182.413060][ T7793] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7792] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] <... mkdir resumed>) = 0 [pid 7791] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7791] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7792] <... futex resumed>) = 0 [pid 7790] <... futex resumed>) = 0 [pid 7792] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7790] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] <... futex resumed>) = 0 [pid 7790] <... futex resumed>) = 1 [pid 7791] mkdir("./bus", 000) = 0 [pid 7791] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7790] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7791] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7800 attached [pid 7799] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7790] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7800] set_robust_list(0x7f6a509d49e0, 24 [pid 7791] <... futex resumed>) = 0 [pid 7790] <... futex resumed>) = 1 [pid 7800] <... set_robust_list resumed>) = 0 [pid 7799] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7790] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... umount2 resumed>) = 0 [ 182.440076][ T7799] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 182.444027][ T7793] overlayfs: failed to resolve './file0': -2 [pid 7800] mkdir(".", 0777 [pid 7799] <... futex resumed>) = 1 [pid 7786] <... futex resumed>) = 0 [pid 7800] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7799] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7800] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7786] exit_group(0 [pid 7799] <... futex resumed>) = ? [pid 7789] <... futex resumed>) = ? [pid 7786] <... exit_group resumed>) = ? [pid 7799] +++ exited with 0 +++ [pid 7789] +++ exited with 0 +++ [pid 7786] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7786, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5001] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./142/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./142/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... restart_syscall resumed>) = 0 [pid 5000] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... openat resumed>) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./142/bus") = 0 [pid 5001] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./142/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./142") = 0 [pid 5001] mkdir("./143", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7801 ./strace-static-x86_64: Process 7801 attached [pid 7801] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7801] chdir("./143") = 0 [pid 7801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7801] setpgid(0, 0) = 0 [pid 7801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7801] write(3, "1000", 4 [pid 7793] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7793] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7793] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7801] <... write resumed>) = 4 [pid 7801] close(3) = 0 [pid 7801] symlink("/dev/binderfs", "./binderfs" [pid 7790] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7790] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7790] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7790] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7802], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7802 [pid 7790] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7790] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7801] <... symlink resumed>) = 0 [pid 7801] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7801] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7801] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7803], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7803 [pid 7801] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7801] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7802 attached [pid 7802] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7802] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7802] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7803 attached [pid 7803] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7803] memfd_create("syzkaller", 0) = 3 [pid 7803] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 182.483757][ T7791] overlayfs: upper fs needs to support d_type. [ 182.495819][ T7800] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 182.499478][ T7791] overlayfs: upper fs does not support tmpfile. [pid 7800] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7800] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7792] <... futex resumed>) = 0 [pid 7792] exit_group(0 [pid 7800] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 7793] <... futex resumed>) = ? [pid 7792] <... exit_group resumed>) = ? [pid 7793] +++ exited with 0 +++ [pid 7800] +++ exited with 0 +++ [pid 7792] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7792, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 4997] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 182.549193][ T7791] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 182.557030][ T7802] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [pid 7802] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7802] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] <... futex resumed>) = 0 [pid 7802] <... futex resumed>) = 1 [pid 7802] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./143/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./143/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, [pid 7803] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./143/bus") = 0 [pid 5000] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7791] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7791] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5000] lstat("./143/binderfs", [pid 7790] exit_group(0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7790] <... exit_group resumed>) = ? [pid 5000] unlink("./143/binderfs" [pid 7802] <... futex resumed>) = ? [pid 7802] +++ exited with 0 +++ [pid 5000] <... unlink resumed>) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7791] +++ exited with 0 +++ [pid 7790] +++ exited with 0 +++ [pid 5000] close(3 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7790, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5000] <... close resumed>) = 0 [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 5000] rmdir("./143") = 0 [pid 4998] <... restart_syscall resumed>) = 0 [pid 5000] mkdir("./144", 0777 [pid 4998] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4998] getdents64(3, [pid 4997] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... openat resumed>) = 3 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4998] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7804 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./142/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./142/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, ./strace-static-x86_64: Process 7804 attached [ 182.600040][ T7791] overlayfs: failed to resolve './file0': -2 {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7804] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7804] chdir("./144") = 0 [pid 7804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7804] setpgid(0, 0) = 0 [pid 7804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] getdents64(4, [pid 7804] <... openat resumed>) = 3 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7804] write(3, "1000", 4) = 4 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 7804] close(3 [pid 4997] close(4 [pid 7804] <... close resumed>) = 0 [pid 7804] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./142/bus" [pid 7804] <... symlink resumed>) = 0 [pid 7804] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 4997] <... rmdir resumed>) = 0 [pid 7804] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4997] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./142/binderfs", [pid 7804] <... mprotect resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7804] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] unlink("./142/binderfs") = 0 [pid 4997] getdents64(3, [pid 7804] <... clone resumed>, parent_tid=[7805], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7805 [pid 7804] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7804] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./142" [pid 7803] <... write resumed>) = 4194304 [pid 4997] <... rmdir resumed>) = 0 [pid 7803] munmap(0x7f6a505d5000, 4194304 [pid 4997] mkdir("./143", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3./strace-static-x86_64: Process 7805 attached [pid 7805] set_robust_list(0x7f6a589f59e0, 24 [pid 4997] <... close resumed>) = 0 [pid 7805] <... set_robust_list resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7805] memfd_create("syzkaller", 0 [pid 7803] <... munmap resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7806 [pid 7805] <... memfd_create resumed>) = 3 [pid 7805] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7803] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7803] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7806 attached [pid 7806] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7806] chdir("./143") = 0 [pid 7806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7806] setpgid(0, 0) = 0 [pid 7806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7803] <... ioctl resumed>) = 0 [pid 7803] close(3) = 0 [pid 7806] <... openat resumed>) = 3 [pid 7806] write(3, "1000", 4 [pid 7803] mkdir("./bus", 0777 [pid 7806] <... write resumed>) = 4 [pid 7806] close(3) = 0 [pid 7806] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7803] <... mkdir resumed>) = 0 [pid 7806] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7803] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7806] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7806] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7808 attached [pid 4998] <... umount2 resumed>) = 0 [pid 7806] <... clone resumed>, parent_tid=[7808], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7808 [ 182.683481][ T7803] loop4: detected capacity change from 0 to 8192 [ 182.716797][ T7803] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7808] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7806] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7805] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7806] <... futex resumed>) = 0 [pid 7806] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7808] memfd_create("syzkaller", 0) = 3 [pid 7808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./143/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./143/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./143/bus") = 0 [pid 4998] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./143/binderfs" [pid 7805] <... write resumed>) = 4194304 [pid 4998] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 7805] munmap(0x7f6a505d5000, 4194304 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./143") = 0 [pid 4998] mkdir("./144", 0777 [pid 7805] <... munmap resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7805] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7805] ioctl(4, LOOP_SET_FD, 3 [pid 4998] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 182.730947][ T7803] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 182.740676][ T7803] REISERFS (device loop4): using ordered data mode [ 182.747711][ T7803] reiserfs: using flush barriers [ 182.755009][ T7803] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 4998] close(3 [pid 7808] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7805] <... ioctl resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7809 ./strace-static-x86_64: Process 7809 attached [pid 7809] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7809] chdir("./144") = 0 [pid 7809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7809] setpgid(0, 0) = 0 [pid 7809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7809] write(3, "1000", 4) = 4 [pid 7805] close(3) = 0 [pid 7805] mkdir("./bus", 0777) = 0 [pid 7805] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7809] close(3) = 0 [pid 7809] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7809] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7809] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7809] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7811], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7811 [pid 7809] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7809] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7811 attached [pid 7811] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7811] memfd_create("syzkaller", 0) = 3 [pid 7811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 182.780790][ T7805] loop3: detected capacity change from 0 to 8192 [ 182.796936][ T7803] REISERFS (device loop4): checking transaction log (loop4) [ 182.818409][ T7805] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7811] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7808] <... write resumed>) = 4194304 [pid 7811] <... write resumed>) = 4194304 [ 182.837751][ T7803] REISERFS (device loop4): Using r5 hash to sort names [ 182.848668][ T7805] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 182.862448][ T7803] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 182.874077][ T7805] REISERFS (device loop3): using ordered data mode [ 182.881595][ T7805] reiserfs: using flush barriers [pid 7811] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7811] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7811] ioctl(4, LOOP_SET_FD, 3 [pid 7808] munmap(0x7f6a505d5000, 4194304 [pid 7803] <... mount resumed>) = 0 [pid 7811] <... ioctl resumed>) = 0 [pid 7811] close(3) = 0 [pid 7811] mkdir("./bus", 0777) = 0 [pid 7811] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7808] <... munmap resumed>) = 0 [pid 7808] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7808] ioctl(4, LOOP_SET_FD, 3 [pid 7803] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7808] <... ioctl resumed>) = 0 [pid 7808] close(3) = 0 [pid 7808] mkdir("./bus", 0777) = 0 [pid 7808] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7803] <... openat resumed>) = 3 [pid 7803] chdir("./bus") = 0 [pid 7803] ioctl(4, LOOP_CLR_FD) = 0 [pid 7803] close(4) = 0 [pid 7803] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7801] <... futex resumed>) = 0 [pid 7803] mkdir("./file1", 000 [pid 7801] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7803] <... mkdir resumed>) = 0 [pid 7801] <... futex resumed>) = 0 [pid 7803] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7801] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7803] <... futex resumed>) = 0 [pid 7801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7803] mkdir("./bus", 000 [pid 7801] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7803] <... mkdir resumed>) = 0 [pid 7801] <... futex resumed>) = 0 [pid 7803] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7801] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7803] <... futex resumed>) = 0 [pid 7801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7803] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7801] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 182.886750][ T7803] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 182.890422][ T7811] loop1: detected capacity change from 0 to 8192 [ 182.897378][ T7805] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 182.909462][ T7808] loop0: detected capacity change from 0 to 8192 [ 182.919046][ T7805] REISERFS (device loop3): checking transaction log (loop3) [pid 7801] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7805] <... mount resumed>) = 0 [pid 7805] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7805] chdir("./bus") = 0 [pid 7805] ioctl(4, LOOP_CLR_FD) = 0 [pid 7805] close(4) = 0 [pid 7805] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7804] <... futex resumed>) = 0 [pid 7805] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7804] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7801] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7804] <... futex resumed>) = 0 [pid 7801] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 7805] mkdir("./file1", 000 [pid 7804] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7801] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 182.933070][ T7805] REISERFS (device loop3): Using r5 hash to sort names [ 182.940726][ T7805] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 182.940837][ T7811] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 182.953440][ T7805] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 182.967069][ T7803] overlayfs: upper fs needs to support d_type. [pid 7805] <... mkdir resumed>) = 0 [pid 7801] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7805] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7801] <... futex resumed>) = 0 [pid 7805] <... futex resumed>) = 1 [pid 7804] <... futex resumed>) = 0 [pid 7801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7805] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7804] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7801] <... mmap resumed>) = 0x7f6a509b4000 [pid 7805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7804] <... futex resumed>) = 0 [pid 7801] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7805] mkdir("./bus", 000 [pid 7804] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7801] <... mprotect resumed>) = 0 [pid 7805] <... mkdir resumed>) = 0 [pid 7801] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7805] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7804] <... futex resumed>) = 0 [pid 7801] <... clone resumed>, parent_tid=[7814], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7814 [pid 7805] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7804] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7801] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7804] <... futex resumed>) = 0 [pid 7801] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7814 attached [pid 7805] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7804] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7801] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 182.976101][ T7808] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 182.995424][ T7808] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 183.004965][ T7808] REISERFS (device loop0): using ordered data mode [ 183.011810][ T7808] reiserfs: using flush barriers [ 183.012957][ T7805] overlayfs: upper fs needs to support d_type. [ 183.017633][ T7811] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 183.028757][ T7805] overlayfs: upper fs does not support tmpfile. [pid 7814] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7814] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7804] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7804] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7814] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7804] <... mmap resumed>) = 0x7f6a509b4000 [pid 7804] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7804] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7815], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7815 [pid 7804] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 183.032318][ T7808] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 183.040541][ T7803] overlayfs: upper fs does not support tmpfile. [ 183.055358][ T7811] REISERFS (device loop1): using ordered data mode [ 183.068306][ T7808] REISERFS (device loop0): checking transaction log (loop0) [ 183.076219][ T7811] reiserfs: using flush barriers [pid 7804] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7815 attached [pid 7808] <... mount resumed>) = 0 [ 183.082531][ T7808] REISERFS (device loop0): Using r5 hash to sort names [ 183.085017][ T7805] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 183.089651][ T7808] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 183.099686][ T7814] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 183.109233][ T7808] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7815] set_robust_list(0x7f6a509d49e0, 24 [pid 7808] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7815] <... set_robust_list resumed>) = 0 [pid 7808] <... openat resumed>) = 3 [pid 7815] mkdir(".", 0777 [pid 7808] chdir("./bus" [pid 7815] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7805] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7815] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7808] <... chdir resumed>) = 0 [pid 7805] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] ioctl(4, LOOP_CLR_FD [pid 7805] <... futex resumed>) = 0 [pid 7808] <... ioctl resumed>) = 0 [pid 7805] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7808] close(4) = 0 [pid 7808] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7808] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7814] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7814] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 183.134367][ T7805] overlayfs: failed to resolve './file0': -2 [ 183.148610][ T7803] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 183.149563][ T7811] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 183.156532][ T7803] overlayfs: failed to resolve './file0': -2 [ 183.172933][ T7811] REISERFS (device loop1): checking transaction log (loop1) [pid 7814] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7806] <... futex resumed>) = 0 [pid 7801] <... futex resumed>) = 0 [pid 7806] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... futex resumed>) = 0 [pid 7806] <... futex resumed>) = 1 [pid 7808] mkdir("./file1", 000 [pid 7806] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7808] <... mkdir resumed>) = 0 [pid 7808] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7806] <... futex resumed>) = 0 [pid 7808] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7806] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7806] <... futex resumed>) = 0 [pid 7808] mkdir("./bus", 000 [pid 7806] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7808] <... mkdir resumed>) = 0 [pid 7808] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7806] <... futex resumed>) = 0 [pid 7808] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7806] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7806] <... futex resumed>) = 0 [pid 7808] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7806] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7803] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 183.184005][ T7815] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 183.200548][ T7811] REISERFS (device loop1): Using r5 hash to sort names [ 183.215103][ T7808] overlayfs: upper fs needs to support d_type. [ 183.216340][ T7811] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7803] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7815] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7811] <... mount resumed>) = 0 [pid 7803] <... futex resumed>) = 0 [pid 7801] exit_group(0 [pid 7811] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7811] chdir("./bus") = 0 [pid 7811] ioctl(4, LOOP_CLR_FD) = 0 [pid 7811] close(4) = 0 [pid 7811] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7811] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7815] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7815] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7801] <... exit_group resumed>) = ? [pid 7809] <... futex resumed>) = 0 [pid 7809] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7809] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7811] <... futex resumed>) = 0 [pid 7811] mkdir("./file1", 000) = 0 [pid 7811] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7809] <... futex resumed>) = 0 [pid 7809] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7809] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7811] <... futex resumed>) = 1 [pid 7811] mkdir("./bus", 000) = 0 [pid 7814] <... futex resumed>) = ? [pid 7804] <... futex resumed>) = 0 [pid 7806] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7806] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7804] exit_group(0 [pid 7814] +++ exited with 0 +++ [pid 7815] <... futex resumed>) = ? [pid 7806] <... futex resumed>) = 0 [pid 7805] <... futex resumed>) = ? [pid 7804] <... exit_group resumed>) = ? [pid 7815] +++ exited with 0 +++ [pid 7806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7805] +++ exited with 0 +++ [pid 7811] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7804] +++ exited with 0 +++ [pid 7806] <... mmap resumed>) = 0x7f6a509b4000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7804, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7803] +++ exited with 0 +++ [pid 7806] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7801] +++ exited with 0 +++ [pid 7806] <... mprotect resumed>) = 0 [pid 7811] <... futex resumed>) = 1 [pid 7809] <... futex resumed>) = 0 [pid 7806] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7801, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5000] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7811] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7809] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7816 attached [pid 7809] <... futex resumed>) = 0 [pid 7806] <... clone resumed>, parent_tid=[7816], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7816 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7816] set_robust_list(0x7f6a509d49e0, 24 [pid 7809] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7806] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... openat resumed>) = 3 [pid 7816] <... set_robust_list resumed>) = 0 [pid 7806] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5000] fstat(3, [pid 5001] fstat(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, [pid 5001] getdents64(3, [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 183.222690][ T7808] overlayfs: upper fs does not support tmpfile. [ 183.235666][ T7811] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 183.241094][ T7808] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 183.273968][ T7811] overlayfs: upper fs needs to support d_type. [ 183.283329][ T7808] overlayfs: failed to resolve './file0': -2 [pid 5001] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7816] mkdir(".", 0777 [pid 7806] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7816] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7816] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7816] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7806] <... futex resumed>) = 0 [pid 7816] <... futex resumed>) = 1 [pid 7816] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7808] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7808] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7806] exit_group(0 [pid 7808] <... futex resumed>) = ? [pid 7806] <... exit_group resumed>) = ? [pid 7808] +++ exited with 0 +++ [pid 7816] <... futex resumed>) = ? [pid 7816] +++ exited with 0 +++ [pid 7806] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7806, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7809] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7809] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7811] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7811] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7809] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7811] <... futex resumed>) = 0 [pid 7811] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7809] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7809] <... clone resumed>, parent_tid=[7817], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7817 [pid 7809] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7809] <... futex resumed>) = 0 [pid 7809] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7817 attached [pid 7817] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7817] mkdir(".", 0777) = -1 EEXIST (File exists) [ 183.288614][ T7811] overlayfs: upper fs does not support tmpfile. [ 183.295368][ T7816] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 183.296522][ T7811] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 183.320360][ T7811] overlayfs: failed to resolve './file0': -2 [pid 7817] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] <... umount2 resumed>) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 5001] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./143/bus", [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] lstat("./144/bus", [pid 4997] lstat("./143/bus", [pid 5001] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./143/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... openat resumed>) = 4 [pid 4997] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] fstat(4, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] openat(AT_FDCWD, "./143/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] getdents64(4, [pid 5000] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... openat resumed>) = 4 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] fstat(4, [pid 5001] getdents64(4, [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] openat(AT_FDCWD, "./144/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] close(4 [pid 4997] getdents64(4, [pid 5001] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 4 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] rmdir("./143/bus" [pid 5000] fstat(4, [pid 4997] getdents64(4, [pid 5001] <... rmdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] close(4 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] lstat("./143/binderfs", [pid 4997] <... close resumed>) = 0 [pid 5000] getdents64(4, [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./143/binderfs" [pid 4997] rmdir("./143/bus" [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] <... unlink resumed>) = 0 [pid 7817] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] getdents64(3, [pid 5000] getdents64(4, [pid 4997] <... rmdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(3 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 5000] close(4 [pid 4997] lstat("./143/binderfs", [pid 5001] rmdir("./143" [pid 5000] <... close resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] rmdir("./144/bus" [pid 4997] unlink("./143/binderfs" [pid 5001] mkdir("./144", 0777 [pid 7817] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7809] <... futex resumed>) = 0 [pid 7809] exit_group(0 [pid 5001] <... mkdir resumed>) = 0 [pid 7809] <... exit_group resumed>) = ? [pid 4997] <... unlink resumed>) = 0 [pid 7811] <... futex resumed>) = ? [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7811] +++ exited with 0 +++ [pid 5001] <... openat resumed>) = 3 [pid 4997] getdents64(3, [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] <... rmdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7817] <... futex resumed>) = ? [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] close(3 [pid 5001] close(3 [pid 4997] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] rmdir("./143" [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7818 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./144", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] lstat("./144/binderfs", [pid 4997] close(3 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... close resumed>) = 0 [pid 5000] unlink("./144/binderfs" [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... unlink resumed>) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7819 [pid 5000] close(3) = 0 [pid 5000] rmdir("./144") = 0 [pid 5000] mkdir("./145", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7820 ./strace-static-x86_64: Process 7820 attached [pid 7820] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7820] chdir("./145") = 0 [pid 7820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7820] setpgid(0, 0 [pid 7817] +++ exited with 0 +++ [pid 7809] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7809, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 7820] <... setpgid resumed>) = 0 [pid 7820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... restart_syscall resumed>) = 0 [pid 4998] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7819 attached ./strace-static-x86_64: Process 7818 attached ) = 3 [pid 4998] fstat(3, [pid 7819] set_robust_list(0x5555564f86e0, 24 [pid 7818] set_robust_list(0x5555564f86e0, 24 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, [pid 7819] <... set_robust_list resumed>) = 0 [pid 7818] <... set_robust_list resumed>) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7819] chdir("./144" [pid 7818] chdir("./144" [pid 7820] <... openat resumed>) = 3 [pid 7820] write(3, "1000", 4) = 4 [pid 7820] close(3) = 0 [pid 7820] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7820] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7820] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7820] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7821], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7821 [pid 7820] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7820] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7821 attached [pid 7821] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7821] memfd_create("syzkaller", 0) = 3 [ 183.377644][ T7817] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7818] <... chdir resumed>) = 0 [pid 7819] <... chdir resumed>) = 0 [pid 7818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7819] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7821] <... mmap resumed>) = 0x7f6a505d5000 [pid 7818] <... prctl resumed>) = 0 [pid 7819] <... prctl resumed>) = 0 [pid 7818] setpgid(0, 0 [pid 7819] setpgid(0, 0 [pid 7818] <... setpgid resumed>) = 0 [pid 7819] <... setpgid resumed>) = 0 [pid 7818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7818] <... openat resumed>) = 3 [pid 7819] <... openat resumed>) = 3 [pid 7819] write(3, "1000", 4 [pid 7818] write(3, "1000", 4 [pid 7819] <... write resumed>) = 4 [pid 7818] <... write resumed>) = 4 [pid 7819] close(3 [pid 7818] close(3 [pid 7819] <... close resumed>) = 0 [pid 7818] <... close resumed>) = 0 [pid 7819] symlink("/dev/binderfs", "./binderfs" [pid 7818] symlink("/dev/binderfs", "./binderfs" [pid 7819] <... symlink resumed>) = 0 [pid 7818] <... symlink resumed>) = 0 [pid 7819] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7818] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7819] <... futex resumed>) = 0 [pid 7818] <... futex resumed>) = 0 [pid 7819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7819] <... mmap resumed>) = 0x7f6a589d5000 [pid 7819] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7818] <... mmap resumed>) = 0x7f6a589d5000 [pid 7818] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7819] <... mprotect resumed>) = 0 [pid 7818] <... mprotect resumed>) = 0 [pid 7819] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7818] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7819] <... clone resumed>, parent_tid=[7822], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7822 [pid 7819] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7818] <... clone resumed>, parent_tid=[7823], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7823 [pid 7819] <... futex resumed>) = 0 [pid 7819] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7818] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7818] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7822 attached [pid 7822] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7822] memfd_create("syzkaller", 0) = 3 [pid 7822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7823 attached [pid 7823] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7823] memfd_create("syzkaller", 0) = 3 [pid 7823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7821] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./144/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./144/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./144/bus") = 0 [pid 4998] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./144/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./144") = 0 [pid 4998] mkdir("./145", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7822] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7824 ./strace-static-x86_64: Process 7824 attached [pid 7824] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7824] chdir("./145") = 0 [pid 7824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7824] setpgid(0, 0) = 0 [pid 7824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7823] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7824] <... openat resumed>) = 3 [pid 7824] write(3, "1000", 4) = 4 [pid 7824] close(3) = 0 [pid 7824] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7824] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7824] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7824] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7825], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7825 [pid 7824] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7824] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7821] <... write resumed>) = 4194304 [pid 7821] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7821] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7821] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7825 attached [pid 7825] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7825] memfd_create("syzkaller", 0) = 3 [pid 7825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7821] <... ioctl resumed>) = 0 [pid 7821] close(3) = 0 [pid 7821] mkdir("./bus", 0777) = 0 [pid 7821] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7822] <... write resumed>) = 4194304 [pid 7822] munmap(0x7f6a505d5000, 4194304 [pid 7825] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7823] <... write resumed>) = 4194304 [pid 7822] <... munmap resumed>) = 0 [pid 7823] munmap(0x7f6a505d5000, 4194304 [pid 7822] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7823] <... munmap resumed>) = 0 [pid 7822] <... openat resumed>) = 4 [pid 7823] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 183.574400][ T7821] loop3: detected capacity change from 0 to 8192 [ 183.608992][ T7821] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7822] ioctl(4, LOOP_SET_FD, 3 [pid 7823] <... openat resumed>) = 4 [pid 7823] ioctl(4, LOOP_SET_FD, 3 [pid 7822] <... ioctl resumed>) = 0 [pid 7822] close(3) = 0 [pid 7822] mkdir("./bus", 0777) = 0 [pid 7822] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7823] <... ioctl resumed>) = 0 [pid 7823] close(3) = 0 [pid 7823] mkdir("./bus", 0777) = 0 [ 183.622255][ T7822] loop0: detected capacity change from 0 to 8192 [ 183.622442][ T7821] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 183.629817][ T7823] loop4: detected capacity change from 0 to 8192 [ 183.638170][ T7821] REISERFS (device loop3): using ordered data mode [ 183.650865][ T7821] reiserfs: using flush barriers [ 183.657631][ T7822] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7823] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7825] <... write resumed>) = 4194304 [pid 7825] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7825] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 183.657732][ T7821] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 183.682645][ T7822] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 183.687056][ T7821] REISERFS (device loop3): checking transaction log (loop3) [ 183.703583][ T7823] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 183.717383][ T7821] REISERFS (device loop3): Using r5 hash to sort names [pid 7825] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7825] close(3) = 0 [pid 7825] mkdir("./bus", 0777) = 0 [ 183.719293][ T7825] loop1: detected capacity change from 0 to 8192 [ 183.724763][ T7821] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 183.733769][ T7823] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 183.743656][ T7822] REISERFS (device loop0): using ordered data mode [ 183.753096][ T7823] REISERFS (device loop4): using ordered data mode [ 183.759472][ T7821] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7825] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7821] <... mount resumed>) = 0 [pid 7821] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7821] chdir("./bus") = 0 [pid 7821] ioctl(4, LOOP_CLR_FD) = 0 [ 183.765940][ T7823] reiserfs: using flush barriers [ 183.775240][ T7822] reiserfs: using flush barriers [ 183.785469][ T7825] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 183.787348][ T7822] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7821] close(4) = 0 [pid 7821] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7821] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7820] <... futex resumed>) = 0 [pid 7820] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7820] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7821] mkdir("./file1", 000) = 0 [pid 7821] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7821] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7820] <... futex resumed>) = 0 [ 183.798559][ T7823] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 183.814917][ T7822] REISERFS (device loop0): checking transaction log (loop0) [ 183.841245][ T7822] REISERFS (device loop0): Using r5 hash to sort names [ 183.842645][ T7825] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 183.849198][ T7822] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7820] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7821] <... futex resumed>) = 0 [pid 7820] <... futex resumed>) = 1 [pid 7821] mkdir("./bus", 000 [pid 7820] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7821] <... mkdir resumed>) = 0 [pid 7821] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7820] <... futex resumed>) = 0 [pid 7821] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7820] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7822] <... mount resumed>) = 0 [pid 7820] <... futex resumed>) = 0 [pid 7820] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7822] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7822] chdir("./bus") = 0 [pid 7822] ioctl(4, LOOP_CLR_FD) = 0 [ 183.858556][ T7825] REISERFS (device loop1): using ordered data mode [ 183.870607][ T7822] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 183.882900][ T7821] overlayfs: upper fs needs to support d_type. [ 183.887031][ T7823] REISERFS (device loop4): checking transaction log (loop4) [ 183.900459][ T7825] reiserfs: using flush barriers [ 183.906698][ T7821] overlayfs: upper fs does not support tmpfile. [ 183.906969][ T7823] REISERFS (device loop4): Using r5 hash to sort names [pid 7822] close(4) = 0 [pid 7822] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7819] <... futex resumed>) = 0 [pid 7822] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7819] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7819] <... futex resumed>) = 0 [pid 7822] mkdir("./file1", 000 [pid 7819] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7822] <... mkdir resumed>) = 0 [pid 7820] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7823] <... mount resumed>) = 0 [pid 7822] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7821] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7820] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7823] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7822] <... futex resumed>) = 1 [pid 7821] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7820] <... futex resumed>) = 0 [ 183.913634][ T7821] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 183.928626][ T7821] overlayfs: failed to resolve './file0': -2 [ 183.936089][ T7825] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 183.937828][ T7823] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 183.965281][ T7823] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7819] <... futex resumed>) = 0 [pid 7822] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7819] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7820] <... mmap resumed>) = 0x7f6a509b4000 [pid 7819] <... futex resumed>) = 0 [pid 7822] mkdir("./bus", 000 [pid 7820] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7819] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7822] <... mkdir resumed>) = 0 [pid 7820] <... mprotect resumed>) = 0 [pid 7822] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7820] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7822] <... futex resumed>) = 1 [pid 7819] <... futex resumed>) = 0 [pid 7823] <... openat resumed>) = 3 [pid 7822] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7821] <... futex resumed>) = 0 [pid 7820] <... clone resumed>, parent_tid=[7830], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7830 [pid 7819] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7830 attached [pid 7823] chdir("./bus" [pid 7822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7821] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7820] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7819] <... futex resumed>) = 0 [pid 7830] set_robust_list(0x7f6a509d49e0, 24 [pid 7823] <... chdir resumed>) = 0 [pid 7830] <... set_robust_list resumed>) = 0 [pid 7823] ioctl(4, LOOP_CLR_FD [pid 7830] mkdir(".", 0777 [pid 7823] <... ioctl resumed>) = 0 [pid 7830] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7823] close(4 [pid 7830] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7823] <... close resumed>) = 0 [pid 7822] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7820] <... futex resumed>) = 0 [pid 7819] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7823] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7823] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7820] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7818] <... futex resumed>) = 0 [ 183.976109][ T7825] REISERFS (device loop1): checking transaction log (loop1) [ 183.985677][ T7825] REISERFS (device loop1): Using r5 hash to sort names [ 183.993572][ T7825] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 184.008197][ T7822] overlayfs: upper fs needs to support d_type. [ 184.013713][ T7825] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7818] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7825] <... mount resumed>) = 0 [pid 7825] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7825] chdir("./bus") = 0 [pid 7825] ioctl(4, LOOP_CLR_FD) = 0 [pid 7825] close(4 [pid 7823] <... futex resumed>) = 0 [pid 7818] <... futex resumed>) = 1 [pid 7823] mkdir("./file1", 000 [pid 7818] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7825] <... close resumed>) = 0 [pid 7823] <... mkdir resumed>) = 0 [pid 7823] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7823] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7830] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7830] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7830] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7825] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7818] <... futex resumed>) = 0 [pid 7825] <... futex resumed>) = 1 [pid 7824] <... futex resumed>) = 0 [pid 7820] <... futex resumed>) = 0 [pid 7819] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7818] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7825] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7824] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7820] exit_group(0 [pid 7819] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7824] <... futex resumed>) = 0 [pid 7823] <... futex resumed>) = 0 [pid 7820] <... exit_group resumed>) = ? [pid 7819] <... futex resumed>) = 0 [pid 7818] <... futex resumed>) = 1 [pid 7821] <... futex resumed>) = ? [pid 7821] +++ exited with 0 +++ [pid 7830] <... futex resumed>) = ? [pid 7830] +++ exited with 0 +++ [pid 7825] mkdir("./file1", 000 [pid 7824] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7823] mkdir("./bus", 000 [pid 7819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7818] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7825] <... mkdir resumed>) = 0 [pid 7825] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7820] +++ exited with 0 +++ [pid 7825] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7819] <... mmap resumed>) = 0x7f6a509b4000 [pid 7823] <... mkdir resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7820, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7824] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7823] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7819] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7824] <... futex resumed>) = 0 [pid 7823] <... futex resumed>) = 1 [pid 7818] <... futex resumed>) = 0 [pid 7825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7824] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7823] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7822] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7819] <... mprotect resumed>) = 0 [pid 7818] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7825] mkdir("./bus", 000 [pid 7818] <... futex resumed>) = 0 [pid 7825] <... mkdir resumed>) = 0 [pid 5000] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7825] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7818] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7825] <... futex resumed>) = 1 [pid 7824] <... futex resumed>) = 0 [pid 7819] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7825] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7822] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7822] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7824] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [ 184.015208][ T7822] overlayfs: upper fs does not support tmpfile. [ 184.032067][ T7822] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 184.032231][ T7830] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 184.041023][ T7822] overlayfs: failed to resolve './file0': -2 [ 184.069265][ T7823] overlayfs: upper fs needs to support d_type. [pid 5000] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7825] <... futex resumed>) = 0 [pid 7824] <... futex resumed>) = 1 [pid 7819] <... clone resumed>, parent_tid=[7831], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7831 [pid 5000] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7831 attached [pid 7825] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7824] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7819] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] fstat(3, [pid 7819] <... futex resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7831] set_robust_list(0x7f6a509d49e0, 24 [pid 7819] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] getdents64(3, [pid 7831] <... set_robust_list resumed>) = 0 [pid 7831] mkdir(".", 0777 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7831] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5000] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 184.075746][ T7823] overlayfs: upper fs does not support tmpfile. [ 184.083760][ T7823] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 184.084883][ T7825] overlayfs: upper fs needs to support d_type. [ 184.092172][ T7823] overlayfs: failed to resolve './file0': -2 [ 184.106218][ T7825] overlayfs: upper fs does not support tmpfile. [ 184.114529][ T7825] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7831] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7824] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7818] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7824] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7823] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7818] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7831] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7824] <... futex resumed>) = 0 [pid 7823] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7819] <... futex resumed>) = 0 [pid 7818] <... futex resumed>) = 0 [pid 7823] <... futex resumed>) = 0 [pid 7823] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7831] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7825] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7819] exit_group(0 [pid 7818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7825] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7824] <... mmap resumed>) = 0x7f6a509b4000 [pid 7822] <... futex resumed>) = ? [pid 7819] <... exit_group resumed>) = ? [pid 7818] <... mmap resumed>) = 0x7f6a509b4000 [pid 7831] <... futex resumed>) = ? [pid 7822] +++ exited with 0 +++ [pid 7825] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7831] +++ exited with 0 +++ [pid 7824] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7819] +++ exited with 0 +++ [pid 7818] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7824] <... mprotect resumed>) = 0 [pid 7818] <... mprotect resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7819, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 7824] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7818] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7824] <... clone resumed>, parent_tid=[7833], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7833 [pid 7818] <... clone resumed>, parent_tid=[7832], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7832 [pid 4997] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7824] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7818] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7824] <... futex resumed>) = 0 [pid 7818] <... futex resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7824] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7818] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... openat resumed>) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7832 attached ./strace-static-x86_64: Process 7833 attached [pid 7833] set_robust_list(0x7f6a509d49e0, 24 [pid 7832] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7833] <... set_robust_list resumed>) = 0 [pid 7832] mkdir(".", 0777 [pid 7833] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7832] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7832] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 184.117724][ T7831] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 184.122464][ T7825] overlayfs: failed to resolve './file0': -2 [pid 7833] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7833] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7824] <... futex resumed>) = 0 [pid 7824] exit_group(0) = ? [pid 7833] <... futex resumed>) = ? [pid 7833] +++ exited with 0 +++ [pid 7832] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7825] <... futex resumed>) = ? [pid 7832] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7818] <... futex resumed>) = 0 [pid 7818] exit_group(0 [pid 7823] <... futex resumed>) = ? [pid 7818] <... exit_group resumed>) = ? [pid 7823] +++ exited with 0 +++ [pid 7832] <... futex resumed>) = ? [pid 7825] +++ exited with 0 +++ [pid 7824] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7824, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7832] +++ exited with 0 +++ [pid 7818] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7818, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./145/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./145/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./145/bus") = 0 [pid 5000] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./145/binderfs") = 0 [pid 5000] getdents64(3, [pid 4997] <... umount2 resumed>) = 0 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] close(3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./145" [pid 4997] lstat("./144/bus", [pid 5000] <... rmdir resumed>) = 0 [pid 5000] mkdir("./146", 0777 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4997] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 4997] openat(AT_FDCWD, "./144/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... openat resumed>) = 4 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7834 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [ 184.170235][ T7833] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 184.185367][ T7832] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] rmdir("./144/bus"./strace-static-x86_64: Process 7834 attached ) = 0 [pid 4997] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./144/binderfs") = 0 [pid 4997] getdents64(3, [pid 7834] set_robust_list(0x5555564f86e0, 24 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7834] <... set_robust_list resumed>) = 0 [pid 4997] close(3 [pid 7834] chdir("./146" [pid 4997] <... close resumed>) = 0 [pid 7834] <... chdir resumed>) = 0 [pid 4997] rmdir("./144" [pid 7834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... rmdir resumed>) = 0 [pid 7834] <... prctl resumed>) = 0 [pid 4997] mkdir("./145", 0777 [pid 7834] setpgid(0, 0 [pid 4997] <... mkdir resumed>) = 0 [pid 7834] <... setpgid resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... openat resumed>) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 7834] <... openat resumed>) = 3 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7834] write(3, "1000", 4 [pid 4997] close(3 [pid 7834] <... write resumed>) = 4 [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7835 ./strace-static-x86_64: Process 7835 attached [pid 7835] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7835] chdir("./145") = 0 [pid 7834] close(3) = 0 [pid 7834] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7834] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7834] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] <... umount2 resumed>) = 0 [pid 7835] <... prctl resumed>) = 0 [pid 7834] <... mprotect resumed>) = 0 [pid 4998] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = 0 [pid 7835] setpgid(0, 0 [pid 7834] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7835] <... setpgid resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7834] <... clone resumed>, parent_tid=[7836], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7836 [pid 5001] lstat("./144/bus", [pid 4998] lstat("./145/bus", [pid 7835] <... openat resumed>) = 3 [pid 7834] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7835] write(3, "1000", 4 [pid 7834] <... futex resumed>) = 0 [pid 7835] <... write resumed>) = 4 [pid 7834] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7835] close(3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7835] <... close resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./144/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] openat(AT_FDCWD, "./145/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7835] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... openat resumed>) = 4 [pid 4998] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7836 attached [pid 7835] <... symlink resumed>) = 0 [pid 5001] fstat(4, [pid 4998] fstat(4, [pid 7836] set_robust_list(0x7f6a589f59e0, 24 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7836] <... set_robust_list resumed>) = 0 [pid 5001] getdents64(4, [pid 4998] getdents64(4, [pid 7836] memfd_create("syzkaller", 0 [pid 7835] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7836] <... memfd_create resumed>) = 3 [pid 7835] <... futex resumed>) = 0 [pid 5001] getdents64(4, [pid 4998] getdents64(4, [pid 7836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7836] <... mmap resumed>) = 0x7f6a505d5000 [pid 7835] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] close(4 [pid 4998] close(4 [pid 7835] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... close resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 7835] <... mprotect resumed>) = 0 [pid 5001] rmdir("./144/bus" [pid 4998] rmdir("./145/bus" [pid 7835] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... rmdir resumed>) = 0 [pid 7835] <... clone resumed>, parent_tid=[7837], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7837 [pid 5001] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... rmdir resumed>) = 0 [pid 7835] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7835] <... futex resumed>) = 0 [pid 5001] lstat("./144/binderfs", [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7835] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] lstat("./145/binderfs", [pid 5001] unlink("./144/binderfs" [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] unlink("./145/binderfs" [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 5001] close(3 [pid 4998] getdents64(3, [pid 5001] <... close resumed>) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] rmdir("./144" [pid 4998] close(3 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./145", 0777 [pid 4998] <... close resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4998] rmdir("./145" [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 7837 attached [pid 4998] <... rmdir resumed>) = 0 [pid 7837] set_robust_list(0x7f6a589f59e0, 24 [pid 5001] <... openat resumed>) = 3 [pid 4998] mkdir("./146", 0777 [pid 7837] <... set_robust_list resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 7837] memfd_create("syzkaller", 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] <... mkdir resumed>) = 0 [pid 7837] <... memfd_create resumed>) = 3 [pid 5001] close(3 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] <... close resumed>) = 0 [pid 7837] <... mmap resumed>) = 0x7f6a505d5000 [pid 4998] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7838 [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7839 ./strace-static-x86_64: Process 7838 attached [pid 7838] set_robust_list(0x5555564f86e0, 24) = 0 ./strace-static-x86_64: Process 7839 attached [pid 7839] set_robust_list(0x5555564f86e0, 24 [pid 7838] chdir("./145" [pid 7839] <... set_robust_list resumed>) = 0 [pid 7839] chdir("./146") = 0 [pid 7839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7838] <... chdir resumed>) = 0 [pid 7839] <... prctl resumed>) = 0 [pid 7839] setpgid(0, 0) = 0 [pid 7839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7839] <... openat resumed>) = 3 [pid 7839] write(3, "1000", 4 [pid 7838] setpgid(0, 0) = 0 [pid 7838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7838] write(3, "1000", 4) = 4 [pid 7839] <... write resumed>) = 4 [pid 7838] close(3 [pid 7839] close(3 [pid 7838] <... close resumed>) = 0 [pid 7839] <... close resumed>) = 0 [pid 7838] symlink("/dev/binderfs", "./binderfs" [pid 7836] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7839] symlink("/dev/binderfs", "./binderfs" [pid 7838] <... symlink resumed>) = 0 [pid 7837] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7839] <... symlink resumed>) = 0 [pid 7838] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7839] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7838] <... futex resumed>) = 0 [pid 7839] <... futex resumed>) = 0 [pid 7838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7838] <... mmap resumed>) = 0x7f6a589d5000 [pid 7839] <... mmap resumed>) = 0x7f6a589d5000 [pid 7838] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7839] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7838] <... mprotect resumed>) = 0 [pid 7839] <... mprotect resumed>) = 0 [pid 7838] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7839] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7838] <... clone resumed>, parent_tid=[7840], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7840 [pid 7839] <... clone resumed>, parent_tid=[7841], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7841 [pid 7838] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7841 attached ./strace-static-x86_64: Process 7840 attached [pid 7839] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7838] <... futex resumed>) = 0 [pid 7836] <... write resumed>) = 4194304 [pid 7841] set_robust_list(0x7f6a589f59e0, 24 [pid 7840] set_robust_list(0x7f6a589f59e0, 24 [pid 7839] <... futex resumed>) = 0 [pid 7838] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7836] munmap(0x7f6a505d5000, 4194304 [pid 7841] <... set_robust_list resumed>) = 0 [pid 7840] <... set_robust_list resumed>) = 0 [pid 7839] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7841] memfd_create("syzkaller", 0 [pid 7836] <... munmap resumed>) = 0 [pid 7840] memfd_create("syzkaller", 0 [pid 7841] <... memfd_create resumed>) = 3 [pid 7840] <... memfd_create resumed>) = 3 [pid 7836] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7836] <... openat resumed>) = 4 [pid 7841] <... mmap resumed>) = 0x7f6a505d5000 [pid 7840] <... mmap resumed>) = 0x7f6a505d5000 [pid 7836] ioctl(4, LOOP_SET_FD, 3 [pid 7837] <... write resumed>) = 4194304 [pid 7837] munmap(0x7f6a505d5000, 4194304 [pid 7836] <... ioctl resumed>) = 0 [pid 7837] <... munmap resumed>) = 0 [pid 7841] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7836] close(3 [pid 7837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7837] ioctl(4, LOOP_SET_FD, 3 [pid 7840] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7836] <... close resumed>) = 0 [pid 7836] mkdir("./bus", 0777) = 0 [pid 7836] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7837] <... ioctl resumed>) = 0 [pid 7837] close(3) = 0 [pid 7837] mkdir("./bus", 0777) = 0 [ 184.387428][ T7836] loop3: detected capacity change from 0 to 8192 [ 184.408339][ T7837] loop0: detected capacity change from 0 to 8192 [pid 7837] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7841] <... write resumed>) = 4194304 [pid 7841] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7841] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7841] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7841] close(3) = 0 [pid 7841] mkdir("./bus", 0777) = 0 [ 184.424988][ T7836] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 184.438928][ T7837] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 184.447130][ T7841] loop1: detected capacity change from 0 to 8192 [ 184.463078][ T7836] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 184.473279][ T7836] REISERFS (device loop3): using ordered data mode [pid 7841] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7840] <... write resumed>) = 4194304 [ 184.473302][ T7841] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 184.479812][ T7836] reiserfs: using flush barriers [ 184.480469][ T7837] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 184.493152][ T7836] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 184.498214][ T7837] REISERFS (device loop0): using ordered data mode [ 184.508034][ T7836] REISERFS (device loop3): checking transaction log (loop3) [pid 7840] munmap(0x7f6a505d5000, 4194304) = 0 [ 184.523394][ T7837] reiserfs: using flush barriers [ 184.531434][ T7841] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 184.539325][ T7837] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 184.542881][ T7836] REISERFS (device loop3): Using r5 hash to sort names [ 184.552094][ T7837] REISERFS (device loop0): checking transaction log (loop0) [ 184.581648][ T7841] REISERFS (device loop1): using ordered data mode [pid 7840] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7840] ioctl(4, LOOP_SET_FD, 3 [pid 7837] <... mount resumed>) = 0 [pid 7837] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7837] chdir("./bus") = 0 [pid 7837] ioctl(4, LOOP_CLR_FD) = 0 [pid 7837] close(4) = 0 [pid 7837] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7835] <... futex resumed>) = 0 [pid 7835] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7835] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7837] <... futex resumed>) = 1 [pid 7837] mkdir("./file1", 000) = 0 [pid 7837] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7835] <... futex resumed>) = 0 [pid 7835] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7835] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7837] <... futex resumed>) = 1 [pid 7837] mkdir("./bus", 000) = 0 [pid 7837] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7835] <... futex resumed>) = 0 [pid 7835] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7835] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7837] <... futex resumed>) = 1 [ 184.582902][ T7837] REISERFS (device loop0): Using r5 hash to sort names [ 184.595430][ T7841] reiserfs: using flush barriers [ 184.596026][ T7837] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 184.613238][ T7837] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 184.622865][ T7841] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7837] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7840] <... ioctl resumed>) = 0 [pid 7835] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7835] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7835] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7835] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7845], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7845 [pid 7835] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 184.633183][ T7837] overlayfs: upper fs needs to support d_type. [ 184.645143][ T7837] overlayfs: upper fs does not support tmpfile. [ 184.647195][ T7840] loop4: detected capacity change from 0 to 8192 [ 184.652246][ T7837] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 184.658581][ T7836] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 184.665729][ T7837] overlayfs: failed to resolve './file0': -2 [pid 7835] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7840] close(3./strace-static-x86_64: Process 7845 attached ) = 0 [pid 7845] set_robust_list(0x7f6a509d49e0, 24 [pid 7840] mkdir("./bus", 0777 [pid 7836] <... mount resumed>) = 0 [pid 7845] <... set_robust_list resumed>) = 0 [pid 7840] <... mkdir resumed>) = 0 [pid 7845] mkdir(".", 0777 [pid 7840] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7836] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7845] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7836] <... openat resumed>) = 3 [pid 7845] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7836] chdir("./bus") = 0 [pid 7836] ioctl(4, LOOP_CLR_FD) = 0 [pid 7836] close(4) = 0 [pid 7836] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7834] <... futex resumed>) = 0 [pid 7834] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7836] mkdir("./file1", 000 [pid 7834] <... futex resumed>) = 0 [pid 7836] <... mkdir resumed>) = 0 [pid 7834] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7845] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7845] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7835] <... futex resumed>) = 0 [pid 7845] <... futex resumed>) = 1 [ 184.678240][ T7836] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 184.698192][ T7841] REISERFS (device loop1): checking transaction log (loop1) [ 184.710503][ T7845] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 184.726568][ T7840] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7845] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7837] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7837] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7837] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7836] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7834] <... futex resumed>) = 0 [pid 7836] mkdir("./bus", 000 [pid 7834] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7836] <... mkdir resumed>) = 0 [pid 7834] <... futex resumed>) = 0 [pid 7836] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7834] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7836] <... futex resumed>) = 0 [pid 7834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7836] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7834] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 184.729685][ T7841] REISERFS (device loop1): Using r5 hash to sort names [ 184.740377][ T7840] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 184.754244][ T7836] overlayfs: upper fs needs to support d_type. [ 184.756347][ T7840] REISERFS (device loop4): using ordered data mode [ 184.769041][ T7840] reiserfs: using flush barriers [ 184.774999][ T7841] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7834] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7841] <... mount resumed>) = 0 [pid 7835] exit_group(0 [pid 7834] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7845] <... futex resumed>) = ? [pid 7841] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7837] <... futex resumed>) = ? [pid 7835] <... exit_group resumed>) = ? [pid 7834] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7845] +++ exited with 0 +++ [pid 7841] <... openat resumed>) = 3 [pid 7837] +++ exited with 0 +++ [pid 7834] <... futex resumed>) = 0 [pid 7834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7841] chdir("./bus" [pid 7835] +++ exited with 0 +++ [pid 7834] <... mmap resumed>) = 0x7f6a509b4000 [pid 7841] <... chdir resumed>) = 0 [pid 7834] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7835, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7834] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7834] <... clone resumed>, parent_tid=[7847], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7847 [pid 7834] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4997] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7834] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7841] ioctl(4, LOOP_CLR_FD [pid 4997] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7847 attached [pid 7841] <... ioctl resumed>) = 0 [pid 7847] set_robust_list(0x7f6a509d49e0, 24 [ 184.775236][ T7840] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 184.787685][ T7841] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 184.788065][ T7836] overlayfs: upper fs does not support tmpfile. [ 184.821800][ T7836] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 184.831497][ T7836] overlayfs: failed to resolve './file0': -2 [pid 7841] close(4) = 0 [pid 7841] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7839] <... futex resumed>) = 0 [pid 7841] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7839] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7839] <... futex resumed>) = 0 [pid 7841] mkdir("./file1", 000 [pid 7839] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7841] <... mkdir resumed>) = 0 [pid 7841] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7839] <... futex resumed>) = 0 [pid 7841] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7839] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7839] <... futex resumed>) = 0 [pid 7841] mkdir("./bus", 000 [pid 7839] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7841] <... mkdir resumed>) = 0 [pid 7841] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7839] <... futex resumed>) = 0 [pid 7841] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7839] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7839] <... futex resumed>) = 0 [pid 7841] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7839] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7847] <... set_robust_list resumed>) = 0 [pid 7836] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7847] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7836] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7847] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7836] <... futex resumed>) = 0 [ 184.846773][ T7840] REISERFS (device loop4): checking transaction log (loop4) [ 184.867319][ T7841] overlayfs: upper fs needs to support d_type. [ 184.867719][ T7840] REISERFS (device loop4): Using r5 hash to sort names [ 184.873571][ T7841] overlayfs: upper fs does not support tmpfile. [ 184.889125][ T7841] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7836] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7839] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7839] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7839] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7839] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7848], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7848 [pid 7839] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7839] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7848 attached [pid 7848] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7848] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7848] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7847] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7847] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7834] <... futex resumed>) = 0 [pid 7847] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7834] exit_group(0 [pid 7836] <... futex resumed>) = ? [pid 7834] <... exit_group resumed>) = ? [pid 7847] <... futex resumed>) = ? [pid 7836] +++ exited with 0 +++ [pid 7848] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7848] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7839] <... futex resumed>) = 0 [pid 7848] <... futex resumed>) = 1 [pid 7847] +++ exited with 0 +++ [pid 7834] +++ exited with 0 +++ [ 184.892003][ T7847] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 184.898542][ T7841] overlayfs: failed to resolve './file0': -2 [ 184.911759][ T7840] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 184.926719][ T7848] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7848] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7841] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7841] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7841] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7834, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 7839] exit_group(0) = ? [pid 7848] <... futex resumed>) = ? [pid 5000] <... restart_syscall resumed>) = 0 [pid 7841] <... futex resumed>) = ? [pid 7848] +++ exited with 0 +++ [pid 7841] +++ exited with 0 +++ [pid 7840] <... mount resumed>) = 0 [pid 7839] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7839, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 7840] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5000] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7840] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 4998] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] fstat(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7840] chdir("./bus" [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7840] <... chdir resumed>) = 0 [pid 5000] getdents64(3, [pid 4998] getdents64(3, [pid 7840] ioctl(4, LOOP_CLR_FD [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7840] <... ioctl resumed>) = 0 [pid 4998] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7840] close(4) = 0 [pid 7840] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7838] <... futex resumed>) = 0 [pid 7838] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7840] mkdir("./file1", 000 [pid 7838] <... futex resumed>) = 0 [pid 7838] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7840] <... mkdir resumed>) = 0 [pid 7840] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7838] <... futex resumed>) = 0 [pid 7840] mkdir("./bus", 000 [pid 7838] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7840] <... mkdir resumed>) = 0 [pid 7838] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7840] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7838] <... futex resumed>) = 0 [pid 7838] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7840] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7838] <... futex resumed>) = 0 [pid 7838] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./145/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./145/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [ 184.947395][ T7840] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 184.984550][ T7840] overlayfs: upper fs needs to support d_type. [pid 4997] rmdir("./145/bus") = 0 [pid 4997] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./145/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./145") = 0 [pid 4997] mkdir("./146", 0777 [pid 7838] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7838] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] <... mkdir resumed>) = 0 [pid 7838] <... mmap resumed>) = 0x7f6a509b4000 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7838] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4997] <... openat resumed>) = 3 [pid 7838] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] ioctl(3, LOOP_CLR_FD [pid 7838] <... clone resumed>, parent_tid=[7849], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7849 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7838] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4997] close(3 [pid 7838] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./146/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./146/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7850 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./146/bus") = 0 ./strace-static-x86_64: Process 7849 attached [pid 7849] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7849] mkdir(".", 0777 [pid 4998] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7849] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7849] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4998] lstat("./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./146/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./146") = 0 [pid 4998] mkdir("./147", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7850 attached ) = 3 [pid 7850] set_robust_list(0x5555564f86e0, 24 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7850] <... set_robust_list resumed>) = 0 [pid 4998] close(3 [pid 7850] chdir("./146" [pid 4998] <... close resumed>) = 0 [pid 7850] <... chdir resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 185.018038][ T7840] overlayfs: upper fs does not support tmpfile. [pid 7850] setpgid(0, 0) = 0 [pid 7850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7851 [pid 7850] write(3, "1000", 4) = 4 [pid 7850] close(3) = 0 [pid 7850] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7850] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7850] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7850] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7852], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7852 [pid 7850] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7850] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7852 attached [pid 7852] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7852] memfd_create("syzkaller", 0) = 3 [pid 7852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7851 attached [pid 7851] set_robust_list(0x5555564f86e0, 24) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 7851] chdir("./147") = 0 [pid 7851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5000] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7851] setpgid(0, 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7851] <... setpgid resumed>) = 0 [pid 5000] lstat("./146/bus", [pid 7851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7851] write(3, "1000", 4 [pid 5000] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7851] <... write resumed>) = 4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7851] close(3 [pid 5000] openat(AT_FDCWD, "./146/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7851] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 4 [pid 7851] symlink("/dev/binderfs", "./binderfs" [pid 5000] fstat(4, [pid 7851] <... symlink resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7851] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] getdents64(4, [pid 7851] <... futex resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7851] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] getdents64(4, [pid 7851] <... mprotect resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7851] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] close(4) = 0 [pid 5000] rmdir("./146/bus" [pid 7851] <... clone resumed>, parent_tid=[7853], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7853 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 185.058503][ T7849] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7851] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7849] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7849] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7838] <... futex resumed>) = 0 [pid 7849] <... futex resumed>) = 1 [pid 7849] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] lstat("./146/binderfs", [pid 7851] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./146/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./146") = 0 [pid 5000] mkdir("./147", 0777) = 0 ./strace-static-x86_64: Process 7853 attached [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7852] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... openat resumed>) = 3 [pid 7853] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 7853] memfd_create("syzkaller", 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7853] <... memfd_create resumed>) = 3 [pid 5000] close(3 [pid 7853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7852] <... write resumed>) = 4194304 [pid 5000] <... close resumed>) = 0 [pid 7853] <... mmap resumed>) = 0x7f6a505d5000 [pid 7852] munmap(0x7f6a505d5000, 4194304 [ 185.108151][ T7840] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 185.120618][ T7840] overlayfs: failed to resolve './file0': -2 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7854 [pid 7852] <... munmap resumed>) = 0 [pid 7852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7852] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7854 attached [pid 7854] set_robust_list(0x5555564f86e0, 24 [pid 7852] <... ioctl resumed>) = 0 [pid 7854] <... set_robust_list resumed>) = 0 [pid 7840] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7840] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7840] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7852] close(3) = 0 [pid 7852] mkdir("./bus", 0777 [pid 7838] exit_group(0) = ? [pid 7849] <... futex resumed>) = ? [pid 7840] <... futex resumed>) = ? [pid 7849] +++ exited with 0 +++ [pid 7854] chdir("./147" [pid 7840] +++ exited with 0 +++ [pid 7838] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7838, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 7852] <... mkdir resumed>) = 0 [pid 7852] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5001] <... restart_syscall resumed>) = 0 [pid 7854] <... chdir resumed>) = 0 [pid 5001] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7854] setpgid(0, 0) = 0 [pid 7854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7854] write(3, "1000", 4) = 4 [pid 7854] close(3) = 0 [pid 7854] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7854] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7854] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7854] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7856], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7856 [pid 7854] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7854] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7856 attached [ 185.153122][ T7852] loop0: detected capacity change from 0 to 8192 [ 185.178218][ T7852] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 185.191551][ T7852] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7856] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7856] memfd_create("syzkaller", 0) = 3 [pid 7856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./145/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 185.201295][ T7852] REISERFS (device loop0): using ordered data mode [pid 7853] <... write resumed>) = 4194304 [pid 7853] munmap(0x7f6a505d5000, 4194304 [pid 5001] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./145/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7853] <... munmap resumed>) = 0 [pid 7853] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] <... openat resumed>) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./145/bus" [pid 7853] <... openat resumed>) = 4 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./145/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./145") = 0 [pid 5001] mkdir("./146", 0777 [pid 7853] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 7856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7853] <... ioctl resumed>) = 0 [pid 7853] close(3) = 0 [pid 7853] mkdir("./bus", 0777) = 0 [pid 7853] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7858 [ 185.233927][ T7852] reiserfs: using flush barriers [ 185.250301][ T7852] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 185.251250][ T7853] loop1: detected capacity change from 0 to 8192 [ 185.269677][ T7852] REISERFS (device loop0): checking transaction log (loop0) ./strace-static-x86_64: Process 7858 attached [pid 7856] <... write resumed>) = 4194304 [pid 7858] set_robust_list(0x5555564f86e0, 24 [pid 7856] munmap(0x7f6a505d5000, 4194304 [pid 7858] <... set_robust_list resumed>) = 0 [pid 7856] <... munmap resumed>) = 0 [ 185.293116][ T7853] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 185.300143][ T7852] REISERFS (device loop0): Using r5 hash to sort names [ 185.307539][ T7853] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 185.314229][ T7852] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 185.323695][ T7853] REISERFS (device loop1): using ordered data mode [pid 7858] chdir("./146" [pid 7856] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7852] <... mount resumed>) = 0 [pid 7858] <... chdir resumed>) = 0 [pid 7856] <... openat resumed>) = 4 [pid 7858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7856] ioctl(4, LOOP_SET_FD, 3 [pid 7858] <... prctl resumed>) = 0 [pid 7852] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7852] chdir("./bus") = 0 [pid 7852] ioctl(4, LOOP_CLR_FD) = 0 [pid 7852] close(4) = 0 [pid 7852] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] <... futex resumed>) = 0 [pid 7850] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7850] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7852] <... futex resumed>) = 1 [pid 7852] mkdir("./file1", 000) = 0 [pid 7852] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] <... futex resumed>) = 0 [pid 7850] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7850] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7852] <... futex resumed>) = 1 [pid 7852] mkdir("./bus", 000) = 0 [pid 7852] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] <... futex resumed>) = 0 [pid 7850] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7850] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7852] <... futex resumed>) = 1 [pid 7852] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7856] <... ioctl resumed>) = 0 [pid 7858] setpgid(0, 0) = 0 [pid 7858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7856] close(3 [pid 7858] write(3, "1000", 4) = 4 [pid 7858] close(3) = 0 [pid 7858] symlink("/dev/binderfs", "./binderfs" [pid 7856] <... close resumed>) = 0 [pid 7858] <... symlink resumed>) = 0 [pid 7858] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7856] mkdir("./bus", 0777 [pid 7858] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7858] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7859], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7859 [pid 7858] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7858] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7856] <... mkdir resumed>) = 0 [ 185.337224][ T7852] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 185.342852][ T7853] reiserfs: using flush barriers [ 185.352976][ T7856] loop3: detected capacity change from 0 to 8192 [ 185.367129][ T7853] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 185.367931][ T7852] overlayfs: upper fs needs to support d_type. [pid 7856] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7850] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7850] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7850] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7850] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7861], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7861 [pid 7850] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7850] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7861 attached [pid 7861] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7861] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7861] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7859 attached [ 185.396942][ T7852] overlayfs: upper fs does not support tmpfile. [ 185.404089][ T7856] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 185.426501][ T7852] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 185.431225][ T7853] REISERFS (device loop1): checking transaction log (loop1) [pid 7859] set_robust_list(0x7f6a589f59e0, 24 [pid 7861] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7861] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] <... futex resumed>) = 0 [pid 7861] <... futex resumed>) = 1 [pid 7861] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7859] <... set_robust_list resumed>) = 0 [pid 7859] memfd_create("syzkaller", 0) = 3 [pid 7859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 185.433929][ T7861] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 185.441439][ T7856] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 185.459130][ T7853] REISERFS (device loop1): Using r5 hash to sort names [ 185.466577][ T7852] overlayfs: failed to resolve './file0': -2 [ 185.471601][ T7853] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7853] <... mount resumed>) = 0 [pid 7853] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7852] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7852] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7852] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7850] exit_group(0 [pid 7861] <... futex resumed>) = ? [pid 7850] <... exit_group resumed>) = ? [pid 7861] +++ exited with 0 +++ [pid 7853] <... openat resumed>) = 3 [pid 7853] chdir("./bus" [pid 7852] <... futex resumed>) = ? [pid 7853] <... chdir resumed>) = 0 [pid 7853] ioctl(4, LOOP_CLR_FD) = 0 [pid 7853] close(4 [pid 7852] +++ exited with 0 +++ [pid 7850] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7850, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7859] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7853] <... close resumed>) = 0 [pid 7853] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7851] <... futex resumed>) = 0 [pid 7851] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7853] mkdir("./file1", 000 [pid 7851] <... futex resumed>) = 0 [pid 7851] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7853] <... mkdir resumed>) = 0 [pid 7853] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7851] <... futex resumed>) = 0 [pid 7851] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7851] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7853] mkdir("./bus", 000) = 0 [pid 7853] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7851] <... futex resumed>) = 0 [pid 7851] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7851] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 185.490768][ T7853] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 185.500228][ T7856] REISERFS (device loop3): using ordered data mode [ 185.506743][ T7856] reiserfs: using flush barriers [ 185.516234][ T7856] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 185.533494][ T7856] REISERFS (device loop3): checking transaction log (loop3) [pid 7853] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7859] <... write resumed>) = 4194304 [pid 7859] munmap(0x7f6a505d5000, 4194304) = 0 [ 185.551277][ T7853] overlayfs: upper fs needs to support d_type. [ 185.560743][ T7853] overlayfs: upper fs does not support tmpfile. [ 185.566020][ T7856] REISERFS (device loop3): Using r5 hash to sort names [ 185.568082][ T7853] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 185.583649][ T7853] overlayfs: failed to resolve './file0': -2 [pid 7859] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7851] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7859] ioctl(4, LOOP_SET_FD, 3 [pid 7851] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7851] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7851] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7862], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7862 [pid 7851] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7851] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7862 attached [pid 7862] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7862] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7862] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7853] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7859] <... ioctl resumed>) = 0 [pid 7853] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7859] close(3 [pid 7853] <... futex resumed>) = 0 [pid 7859] <... close resumed>) = 0 [pid 7856] <... mount resumed>) = 0 [pid 7853] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] <... umount2 resumed>) = 0 [pid 7859] mkdir("./bus", 0777 [pid 7856] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7859] <... mkdir resumed>) = 0 [pid 7856] <... openat resumed>) = 3 [pid 7859] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7856] chdir("./bus") = 0 [pid 7856] ioctl(4, LOOP_CLR_FD) = 0 [pid 7856] close(4) = 0 [pid 7856] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7854] <... futex resumed>) = 0 [pid 7856] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7854] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7854] <... futex resumed>) = 0 [pid 7856] mkdir("./file1", 000 [pid 7854] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7856] <... mkdir resumed>) = 0 [pid 7856] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7854] <... futex resumed>) = 0 [pid 7856] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7854] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7854] <... futex resumed>) = 0 [pid 4997] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7856] mkdir("./bus", 000 [pid 7854] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7856] <... mkdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7856] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7854] <... futex resumed>) = 0 [pid 4997] lstat("./146/bus", [pid 7856] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7854] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7854] <... futex resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7856] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7854] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 185.590229][ T7856] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 185.605215][ T7859] loop4: detected capacity change from 0 to 8192 [ 185.612791][ T7856] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 185.617505][ T7862] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./146/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./146/bus") = 0 [pid 4997] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./146/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./146") = 0 [pid 4997] mkdir("./147", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7864 ./strace-static-x86_64: Process 7864 attached [pid 7864] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7864] chdir("./147") = 0 [pid 7864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7864] setpgid(0, 0) = 0 [pid 7864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7864] write(3, "1000", 4) = 4 [pid 7864] close(3) = 0 [pid 7864] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7864] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7864] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [ 185.655830][ T7856] overlayfs: upper fs needs to support d_type. [ 185.673625][ T7856] overlayfs: upper fs does not support tmpfile. [ 185.680350][ T7859] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 185.689788][ T7856] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7864] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7854] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7864] <... clone resumed>, parent_tid=[7865], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7865 [pid 7854] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7864] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7865 attached [pid 7864] <... futex resumed>) = 0 [pid 7854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7865] set_robust_list(0x7f6a589f59e0, 24 [pid 7864] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7854] <... mmap resumed>) = 0x7f6a509b4000 [pid 7854] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7854] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7866], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7866 [pid 7854] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7854] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7866 attached [pid 7866] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7866] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7866] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7856] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7865] <... set_robust_list resumed>) = 0 [pid 7856] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7865] memfd_create("syzkaller", 0 [pid 7856] <... futex resumed>) = 0 [pid 7862] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7862] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7851] <... futex resumed>) = 0 [pid 7851] exit_group(0 [pid 7853] <... futex resumed>) = ? [pid 7851] <... exit_group resumed>) = ? [pid 7866] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7865] <... memfd_create resumed>) = 3 [pid 7862] <... futex resumed>) = ? [pid 7856] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7853] +++ exited with 0 +++ [pid 7865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7862] +++ exited with 0 +++ [pid 7851] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7851, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 7866] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7854] <... futex resumed>) = 0 [pid 4998] <... restart_syscall resumed>) = 0 [pid 7866] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7854] exit_group(0 [pid 7866] <... futex resumed>) = ? [pid 7854] <... exit_group resumed>) = ? [pid 7866] +++ exited with 0 +++ [pid 4998] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 185.701580][ T7856] overlayfs: failed to resolve './file0': -2 [ 185.708276][ T7859] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 185.718773][ T7859] REISERFS (device loop4): using ordered data mode [ 185.724647][ T7866] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 185.725641][ T7859] reiserfs: using flush barriers [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7856] <... futex resumed>) = ? [pid 7856] +++ exited with 0 +++ [pid 7854] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7854, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5000] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7865] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] <... openat resumed>) = 3 [pid 5000] fstat(3, [pid 7865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 185.746207][ T7859] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 185.762944][ T7859] REISERFS (device loop4): checking transaction log (loop4) [pid 5000] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./147/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./147/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 7859] <... mount resumed>) = 0 [pid 7859] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7859] chdir("./bus") = 0 [pid 7859] ioctl(4, LOOP_CLR_FD [pid 7865] <... write resumed>) = 4194304 [pid 7859] <... ioctl resumed>) = 0 [pid 4998] rmdir("./147/bus" [pid 7859] close(4) = 0 [pid 7859] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7858] <... futex resumed>) = 0 [pid 7859] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7858] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7858] <... futex resumed>) = 0 [pid 7859] mkdir("./file1", 000 [pid 7858] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7859] <... mkdir resumed>) = 0 [pid 7859] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7858] <... futex resumed>) = 0 [pid 7859] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7858] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7858] <... futex resumed>) = 0 [pid 7859] mkdir("./bus", 000 [pid 7858] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7859] <... mkdir resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 7859] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7858] <... futex resumed>) = 0 [pid 7859] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7858] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7858] <... futex resumed>) = 0 [pid 7859] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 185.797465][ T7859] REISERFS (device loop4): Using r5 hash to sort names [ 185.804563][ T7859] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 185.817381][ T7859] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 185.840897][ T7859] overlayfs: upper fs needs to support d_type. [pid 7858] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./147/binderfs", [pid 7865] munmap(0x7f6a505d5000, 4194304 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7865] <... munmap resumed>) = 0 [pid 4998] unlink("./147/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./147") = 0 [pid 4998] mkdir("./148", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 7865] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7865] <... openat resumed>) = 4 [pid 7865] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7867 [pid 7865] close(3) = 0 [pid 7865] mkdir("./bus", 0777./strace-static-x86_64: Process 7867 attached ) = 0 [pid 7865] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7867] set_robust_list(0x5555564f86e0, 24) = 0 [ 185.847124][ T7859] overlayfs: upper fs does not support tmpfile. [ 185.860236][ T7865] loop0: detected capacity change from 0 to 8192 [ 185.869225][ T7859] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 185.879387][ T7859] overlayfs: failed to resolve './file0': -2 [pid 7867] chdir("./148" [pid 7858] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5000] <... umount2 resumed>) = 0 [pid 7858] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7858] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7858] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7869], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7869 [pid 7858] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7867] <... chdir resumed>) = 0 [pid 7858] <... futex resumed>) = 0 [pid 7858] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7867] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7869 attached ) = 0 [pid 7859] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5000] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7867] setpgid(0, 0 [pid 7859] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7867] <... setpgid resumed>) = 0 [pid 7859] <... futex resumed>) = 0 [pid 5000] lstat("./147/bus", [pid 7867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7859] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7867] <... openat resumed>) = 3 [pid 5000] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7867] write(3, "1000", 4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7867] <... write resumed>) = 4 [pid 5000] openat(AT_FDCWD, "./147/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7867] close(3 [pid 5000] <... openat resumed>) = 4 [pid 7867] <... close resumed>) = 0 [pid 5000] fstat(4, [pid 7867] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7867] <... symlink resumed>) = 0 [pid 5000] getdents64(4, [pid 7867] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7867] <... futex resumed>) = 0 [pid 5000] getdents64(4, [pid 7867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7867] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] close(4 [pid 7867] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... close resumed>) = 0 [pid 7867] <... mprotect resumed>) = 0 [pid 5000] rmdir("./147/bus" [pid 7867] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... rmdir resumed>) = 0 [pid 5000] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7867] <... clone resumed>, parent_tid=[7870], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7870 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7867] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] lstat("./147/binderfs", [pid 7867] <... futex resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7867] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] unlink("./147/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./147" [pid 7869] set_robust_list(0x7f6a509d49e0, 24 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] mkdir("./148", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7871 [pid 7869] <... set_robust_list resumed>) = 0 [ 185.895171][ T7865] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 185.911037][ T7865] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 185.920479][ T7865] REISERFS (device loop0): using ordered data mode [ 185.927049][ T7865] reiserfs: using flush barriers [pid 7869] mkdir(".", 0777./strace-static-x86_64: Process 7871 attached [pid 7871] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7871] chdir("./148"./strace-static-x86_64: Process 7870 attached ) = 0 [pid 7870] set_robust_list(0x7f6a589f59e0, 24 [pid 7871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7870] <... set_robust_list resumed>) = 0 [pid 7871] <... prctl resumed>) = 0 [pid 7870] memfd_create("syzkaller", 0 [pid 7869] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7871] setpgid(0, 0 [pid 7870] <... memfd_create resumed>) = 3 [pid 7869] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7871] <... setpgid resumed>) = 0 [pid 7870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7870] <... mmap resumed>) = 0x7f6a505d5000 [pid 7871] <... openat resumed>) = 3 [pid 7871] write(3, "1000", 4) = 4 [pid 7871] close(3) = 0 [pid 7871] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7871] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7871] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7871] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7872], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7872 [pid 7871] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 185.932917][ T7865] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 185.949576][ T7865] REISERFS (device loop0): checking transaction log (loop0) [ 185.959282][ T7865] REISERFS (device loop0): Using r5 hash to sort names [ 185.966684][ T7865] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 185.979483][ T7865] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7871] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7872 attached [pid 7870] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7865] <... mount resumed>) = 0 [pid 7869] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7865] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7872] set_robust_list(0x7f6a589f59e0, 24 [pid 7869] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7865] <... openat resumed>) = 3 [pid 7872] <... set_robust_list resumed>) = 0 [pid 7869] <... futex resumed>) = 1 [pid 7865] chdir("./bus" [pid 7858] <... futex resumed>) = 0 [pid 7872] memfd_create("syzkaller", 0 [pid 7869] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7865] <... chdir resumed>) = 0 [pid 7858] exit_group(0 [pid 7872] <... memfd_create resumed>) = 3 [pid 7869] <... futex resumed>) = ? [pid 7865] ioctl(4, LOOP_CLR_FD [pid 7859] <... futex resumed>) = ? [pid 7858] <... exit_group resumed>) = ? [pid 7872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7869] +++ exited with 0 +++ [pid 7865] <... ioctl resumed>) = 0 [pid 7859] +++ exited with 0 +++ [pid 7858] +++ exited with 0 +++ [pid 7872] <... mmap resumed>) = 0x7f6a505d5000 [pid 7865] close(4 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7858, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5001] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 185.980715][ T7869] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7870] <... write resumed>) = 4194304 [pid 7865] <... close resumed>) = 0 [pid 7870] munmap(0x7f6a505d5000, 4194304 [pid 7865] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7864] <... futex resumed>) = 0 [pid 7865] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7864] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7870] <... munmap resumed>) = 0 [pid 7865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7864] <... futex resumed>) = 0 [pid 7870] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7865] mkdir("./file1", 000 [pid 7864] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7870] <... openat resumed>) = 4 [pid 7865] <... mkdir resumed>) = 0 [pid 7870] ioctl(4, LOOP_SET_FD, 3 [pid 7865] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7864] <... futex resumed>) = 0 [pid 7865] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7864] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7864] <... futex resumed>) = 0 [pid 7865] mkdir("./bus", 000 [pid 7864] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7865] <... mkdir resumed>) = 0 [pid 7865] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7864] <... futex resumed>) = 0 [pid 7865] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7864] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7864] <... futex resumed>) = 0 [pid 7865] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7864] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7872] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7870] <... ioctl resumed>) = 0 [pid 7870] close(3) = 0 [pid 7870] mkdir("./bus", 0777) = 0 [ 186.051054][ T7870] loop1: detected capacity change from 0 to 8192 [ 186.063191][ T7865] overlayfs: upper fs needs to support d_type. [ 186.073508][ T7865] overlayfs: upper fs does not support tmpfile. [ 186.087643][ T7865] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7870] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./146/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./146/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7864] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7872] <... write resumed>) = 4194304 [pid 7864] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 4 [pid 7864] <... futex resumed>) = 0 [pid 7864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7864] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7864] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7874], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7874 [pid 7864] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7864] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./146/bus") = 0 [pid 5001] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7874 attached [pid 7872] munmap(0x7f6a505d5000, 4194304 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./146/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 7874] set_robust_list(0x7f6a509d49e0, 24 [pid 5001] rmdir("./146") = 0 [pid 5001] mkdir("./147", 0777 [pid 7872] <... munmap resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 7874] <... set_robust_list resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7874] mkdir(".", 0777 [pid 7872] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7865] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7874] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7874] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7872] <... openat resumed>) = 4 [pid 7865] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7875 ./strace-static-x86_64: Process 7875 attached [pid 7875] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7875] chdir("./147") = 0 [pid 7875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7875] setpgid(0, 0) = 0 [pid 7875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7875] write(3, "1000", 4 [pid 7872] ioctl(4, LOOP_SET_FD, 3 [pid 7875] <... write resumed>) = 4 [pid 7875] close(3) = 0 [pid 7875] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7875] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7875] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7875] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7876], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7876 [pid 7875] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7875] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7876 attached [pid 7876] set_robust_list(0x7f6a589f59e0, 24) = 0 [ 186.108356][ T7865] overlayfs: failed to resolve './file0': -2 [ 186.117040][ T7870] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 186.131013][ T7870] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 186.143302][ T7870] REISERFS (device loop1): using ordered data mode [pid 7865] <... futex resumed>) = 0 [pid 7865] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7876] memfd_create("syzkaller", 0) = 3 [pid 7876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7876] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7872] <... ioctl resumed>) = 0 [pid 7874] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7872] close(3 [pid 7874] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7872] <... close resumed>) = 0 [pid 7872] mkdir("./bus", 0777 [pid 7874] <... futex resumed>) = 1 [pid 7864] <... futex resumed>) = 0 [pid 7872] <... mkdir resumed>) = 0 [pid 7874] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7872] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 186.158147][ T7870] reiserfs: using flush barriers [ 186.158428][ T7872] loop3: detected capacity change from 0 to 8192 [ 186.174417][ T7874] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 186.189616][ T7870] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7864] exit_group(0 [pid 7865] <... futex resumed>) = ? [pid 7874] <... futex resumed>) = ? [pid 7865] +++ exited with 0 +++ [pid 7864] <... exit_group resumed>) = ? [pid 7874] +++ exited with 0 +++ [pid 7876] <... write resumed>) = 4194304 [pid 7876] munmap(0x7f6a505d5000, 4194304 [pid 7864] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7864, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 7876] <... munmap resumed>) = 0 [pid 7876] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7876] ioctl(4, LOOP_SET_FD, 3 [pid 4997] <... restart_syscall resumed>) = 0 [ 186.208731][ T7870] REISERFS (device loop1): checking transaction log (loop1) [ 186.218789][ T7870] REISERFS (device loop1): Using r5 hash to sort names [ 186.228776][ T7872] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 186.230454][ T7876] loop4: detected capacity change from 0 to 8192 [pid 7876] <... ioctl resumed>) = 0 [pid 7876] close(3) = 0 [pid 7876] mkdir("./bus", 0777) = 0 [pid 7876] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7870] <... mount resumed>) = 0 [pid 4997] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7870] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7870] chdir("./bus") = 0 [pid 7870] ioctl(4, LOOP_CLR_FD) = 0 [pid 7870] close(4) = 0 [ 186.242430][ T7870] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 186.249218][ T7872] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 186.261362][ T7870] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 186.274477][ T7872] REISERFS (device loop3): using ordered data mode [ 186.286245][ T7872] reiserfs: using flush barriers [ 186.291298][ T7876] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 186.307620][ T7876] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 186.307685][ T7872] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 186.316833][ T7876] REISERFS (device loop4): using ordered data mode [ 186.339517][ T7876] reiserfs: using flush barriers [pid 7870] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7867] <... futex resumed>) = 0 [pid 7867] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7867] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7870] mkdir("./file1", 000) = 0 [pid 7870] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7867] <... futex resumed>) = 0 [pid 7867] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7867] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 186.345309][ T7876] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 186.362416][ T7876] REISERFS (device loop4): checking transaction log (loop4) [ 186.371831][ T7876] REISERFS (device loop4): Using r5 hash to sort names [ 186.379437][ T7872] REISERFS (device loop3): checking transaction log (loop3) [ 186.387418][ T7876] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 186.390727][ T7872] REISERFS (device loop3): Using r5 hash to sort names [pid 7870] mkdir("./bus", 000) = 0 [pid 7870] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7867] <... futex resumed>) = 0 [pid 7867] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7876] <... mount resumed>) = 0 [pid 7870] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7867] <... futex resumed>) = 0 [pid 7867] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7876] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7876] chdir("./bus") = 0 [pid 7876] ioctl(4, LOOP_CLR_FD [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./147/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./147/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./147/bus") = 0 [pid 4997] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./147/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./147" [pid 7876] <... ioctl resumed>) = 0 [pid 7876] close(4 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./148", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 7876] <... close resumed>) = 0 [pid 7876] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7875] <... futex resumed>) = 0 [pid 7875] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7876] mkdir("./file1", 000) = 0 [pid 7875] <... futex resumed>) = 0 [pid 7876] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7875] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7876] <... futex resumed>) = 0 [pid 7875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4997] <... close resumed>) = 0 [ 186.400832][ T7876] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 186.419457][ T7870] overlayfs: upper fs needs to support d_type. [ 186.425738][ T7870] overlayfs: upper fs does not support tmpfile. [ 186.432764][ T7872] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 186.446342][ T7870] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7876] mkdir("./bus", 000 [pid 7875] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7879 [pid 7875] <... futex resumed>) = 0 [pid 7875] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7867] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7867] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7876] <... mkdir resumed>) = 0 [pid 7867] <... mmap resumed>) = 0x7f6a509b4000 [pid 7867] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7876] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7867] <... mprotect resumed>) = 0 [pid 7867] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7876] <... futex resumed>) = 1 [pid 7875] <... futex resumed>) = 0 [pid 7875] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7867] <... clone resumed>, parent_tid=[7880], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7880 [pid 7875] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7867] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7867] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7880 attached [pid 7880] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7880] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7880] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7879 attached [pid 7879] set_robust_list(0x5555564f86e0, 24 [pid 7876] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7879] <... set_robust_list resumed>) = 0 [pid 7879] chdir("./148" [pid 7872] <... mount resumed>) = 0 [pid 7879] <... chdir resumed>) = 0 [pid 7879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7879] setpgid(0, 0) = 0 [pid 7879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7879] write(3, "1000", 4) = 4 [pid 7879] close(3) = 0 [pid 7879] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7879] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7879] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7879] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7881], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7881 [pid 7879] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 186.462015][ T7872] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 186.473823][ T7870] overlayfs: failed to resolve './file0': -2 [ 186.481576][ T7876] overlayfs: upper fs needs to support d_type. [ 186.487995][ T7876] overlayfs: upper fs does not support tmpfile. [ 186.503556][ T7876] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7879] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7881 attached [pid 7875] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7872] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7881] set_robust_list(0x7f6a589f59e0, 24 [pid 7875] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7872] <... openat resumed>) = 3 [pid 7870] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7875] <... futex resumed>) = 0 [pid 7881] <... set_robust_list resumed>) = 0 [pid 7880] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7872] chdir("./bus" [pid 7870] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7881] memfd_create("syzkaller", 0 [pid 7880] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7876] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7875] <... mmap resumed>) = 0x7f6a509b4000 [pid 7872] <... chdir resumed>) = 0 [pid 7881] <... memfd_create resumed>) = 3 [pid 7880] <... futex resumed>) = 1 [pid 7876] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7875] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7870] <... futex resumed>) = 0 [pid 7867] <... futex resumed>) = 0 [pid 7872] ioctl(4, LOOP_CLR_FD [pid 7881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7880] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7876] <... futex resumed>) = 0 [pid 7875] <... mprotect resumed>) = 0 [pid 7872] <... ioctl resumed>) = 0 [pid 7870] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7881] <... mmap resumed>) = 0x7f6a505d5000 [pid 7876] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7875] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7872] close(4 [pid 7867] exit_group(0 [pid 7880] <... futex resumed>) = ? [pid 7867] <... exit_group resumed>) = ? [pid 7880] +++ exited with 0 +++ [pid 7875] <... clone resumed>, parent_tid=[7882], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7882 [pid 7875] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7875] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7882 attached [pid 7882] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7882] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7882] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7872] <... close resumed>) = 0 [pid 7870] <... futex resumed>) = ? [pid 7872] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7871] <... futex resumed>) = 0 [pid 7872] mkdir("./file1", 000 [pid 7871] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7870] +++ exited with 0 +++ [pid 7867] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7867, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7872] <... mkdir resumed>) = 0 [pid 7871] <... futex resumed>) = 0 [pid 4998] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7872] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7872] <... futex resumed>) = 0 [pid 7871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, [pid 7872] mkdir("./bus", 000 [pid 7871] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, [pid 7872] <... mkdir resumed>) = 0 [pid 7871] <... futex resumed>) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7872] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7872] <... futex resumed>) = 0 [pid 7871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7872] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [ 186.503648][ T7880] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 186.511447][ T7876] overlayfs: failed to resolve './file0': -2 [pid 7871] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7871] <... futex resumed>) = 0 [pid 7872] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7871] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7881] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./148/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./148/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 7881] <... write resumed>) = 4194304 [pid 7881] munmap(0x7f6a505d5000, 4194304 [pid 4998] rmdir("./148/bus" [pid 7882] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7871] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7881] <... munmap resumed>) = 0 [pid 7871] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7882] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7881] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] <... rmdir resumed>) = 0 [pid 7882] <... futex resumed>) = 1 [pid 7881] <... openat resumed>) = 4 [pid 7882] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7881] ioctl(4, LOOP_SET_FD, 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7875] <... futex resumed>) = 0 [pid 7871] <... mmap resumed>) = 0x7f6a509b4000 [ 186.576216][ T7872] overlayfs: upper fs needs to support d_type. [ 186.586012][ T7872] overlayfs: upper fs does not support tmpfile. [ 186.594004][ T7882] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 186.618367][ T7872] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7875] exit_group(0 [pid 7871] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7882] <... futex resumed>) = ? [pid 7876] <... futex resumed>) = ? [pid 7875] <... exit_group resumed>) = ? [pid 7871] <... mprotect resumed>) = 0 [pid 7882] +++ exited with 0 +++ [pid 7876] +++ exited with 0 +++ [pid 7875] +++ exited with 0 +++ [pid 7871] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7875, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7871] <... clone resumed>, parent_tid=[7883], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7883 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 7871] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... restart_syscall resumed>) = 0 [pid 7871] <... futex resumed>) = 0 [pid 4998] lstat("./148/binderfs", [pid 7871] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7881] <... ioctl resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7881] close(3 [pid 4998] unlink("./148/binderfs" [pid 7881] <... close resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 7881] mkdir("./bus", 0777 [pid 4998] getdents64(3, [pid 7881] <... mkdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7881] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4998] close(3) = 0 [pid 4998] rmdir("./148") = 0 [pid 4998] mkdir("./149", 0777 [pid 7872] <... mount resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 7883 attached [pid 7883] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7883] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7883] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7872] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... mkdir resumed>) = 0 [pid 7872] <... futex resumed>) = 0 [ 186.635022][ T7881] loop0: detected capacity change from 0 to 8192 [ 186.642560][ T7872] overlayfs: failed to resolve './file0': -2 [ 186.658882][ T7881] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 186.672623][ T7881] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7883] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7872] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] <... openat resumed>) = 3 [pid 7883] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] <... futex resumed>) = 0 [pid 7871] exit_group(0) = ? [pid 7883] <... futex resumed>) = ? [pid 7883] +++ exited with 0 +++ [pid 7872] <... futex resumed>) = ? [pid 4998] ioctl(3, LOOP_CLR_FD [pid 7872] +++ exited with 0 +++ [pid 7871] +++ exited with 0 +++ [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7871, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 4998] close(3 [pid 5000] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7885 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7885 attached [pid 7885] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7885] chdir("./149") = 0 [pid 7885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7885] setpgid(0, 0) = 0 [pid 7885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7885] write(3, "1000", 4) = 4 [pid 7885] close(3) = 0 [pid 7885] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7885] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7885] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7885] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7886], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7886 [pid 7885] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 186.682090][ T7881] REISERFS (device loop0): using ordered data mode [ 186.684555][ T7883] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 186.689081][ T7881] reiserfs: using flush barriers [pid 7885] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./147/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./147/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./147/bus") = 0 ./strace-static-x86_64: Process 7886 attached [pid 7886] set_robust_list(0x7f6a589f59e0, 24 [pid 5001] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7886] <... set_robust_list resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7886] memfd_create("syzkaller", 0 [pid 5001] lstat("./147/binderfs", [pid 7886] <... memfd_create resumed>) = 3 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] unlink("./147/binderfs" [pid 7886] <... mmap resumed>) = 0x7f6a505d5000 [pid 5001] <... unlink resumed>) = 0 [pid 5001] getdents64(3, [pid 5000] <... umount2 resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./147") = 0 [pid 5001] mkdir("./148", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7887 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./148/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./148/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./148/bus") = 0 [pid 5000] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./148/binderfs", ./strace-static-x86_64: Process 7887 attached {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./148/binderfs") = 0 [pid 5000] getdents64(3, [pid 7887] set_robust_list(0x5555564f86e0, 24 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7887] <... set_robust_list resumed>) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./148" [pid 7887] chdir("./148" [pid 5000] <... rmdir resumed>) = 0 [pid 7887] <... chdir resumed>) = 0 [pid 5000] mkdir("./149", 0777) = 0 [pid 7887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 7887] <... prctl resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 7887] setpgid(0, 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 186.750677][ T7881] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 186.772623][ T7881] REISERFS (device loop0): checking transaction log (loop0) [ 186.787474][ T7881] REISERFS (device loop0): Using r5 hash to sort names [pid 7887] <... setpgid resumed>) = 0 [pid 5000] close(3 [pid 7886] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... close resumed>) = 0 [pid 7887] <... openat resumed>) = 3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7887] write(3, "1000", 4 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7888 [pid 7887] <... write resumed>) = 4 [pid 7881] <... mount resumed>) = 0 ./strace-static-x86_64: Process 7888 attached [pid 7887] close(3 [pid 7881] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7887] <... close resumed>) = 0 [pid 7881] <... openat resumed>) = 3 [pid 7887] symlink("/dev/binderfs", "./binderfs" [pid 7881] chdir("./bus" [pid 7887] <... symlink resumed>) = 0 [pid 7888] set_robust_list(0x5555564f86e0, 24 [pid 7881] <... chdir resumed>) = 0 [pid 7888] <... set_robust_list resumed>) = 0 [pid 7887] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7881] ioctl(4, LOOP_CLR_FD [pid 7887] <... futex resumed>) = 0 [pid 7881] <... ioctl resumed>) = 0 [pid 7888] chdir("./149" [pid 7887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7881] close(4 [pid 7887] <... mmap resumed>) = 0x7f6a589d5000 [pid 7887] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7888] <... chdir resumed>) = 0 [pid 7881] <... close resumed>) = 0 [pid 7887] <... mprotect resumed>) = 0 [pid 7881] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7887] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7888] <... prctl resumed>) = 0 [pid 7881] <... futex resumed>) = 1 [pid 7879] <... futex resumed>) = 0 [pid 7879] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7887] <... clone resumed>, parent_tid=[7889], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7889 [pid 7879] <... futex resumed>) = 0 [pid 7887] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7879] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7887] <... futex resumed>) = 0 [pid 7881] mkdir("./file1", 000 [pid 7888] setpgid(0, 0 [pid 7887] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7881] <... mkdir resumed>) = 0 [pid 7888] <... setpgid resumed>) = 0 [pid 7888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7881] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7879] <... futex resumed>) = 0 [pid 7888] <... openat resumed>) = 3 [pid 7879] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7881] mkdir("./bus", 000 [pid 7879] <... futex resumed>) = 0 [pid 7879] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7881] <... mkdir resumed>) = 0 [pid 7888] write(3, "1000", 4 [pid 7881] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7879] <... futex resumed>) = 0 [pid 7888] <... write resumed>) = 4 [pid 7881] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7879] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 186.802494][ T7881] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 186.816180][ T7881] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7879] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7889 attached [pid 7889] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7889] memfd_create("syzkaller", 0) = 3 [pid 7889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7888] close(3) = 0 [pid 7888] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7888] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7888] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7888] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7890], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7890 [pid 7888] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7888] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7890 attached [pid 7890] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7890] memfd_create("syzkaller", 0) = 3 [pid 7890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7886] <... write resumed>) = 4194304 [pid 7886] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7886] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7879] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7879] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7886] ioctl(4, LOOP_SET_FD, 3 [ 186.843511][ T7881] overlayfs: upper fs needs to support d_type. [ 186.859991][ T7881] overlayfs: upper fs does not support tmpfile. [ 186.866743][ T7881] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 186.886248][ T7881] overlayfs: failed to resolve './file0': -2 [pid 7879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7879] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7879] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7891], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7891 [pid 7879] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7879] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7891 attached [pid 7891] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7891] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7891] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7881] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7881] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7886] <... ioctl resumed>) = 0 [pid 7881] <... futex resumed>) = 0 [pid 7881] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7886] close(3) = 0 [pid 7886] mkdir("./bus", 0777) = 0 [pid 7886] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7890] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7891] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7891] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7879] <... futex resumed>) = 0 [pid 7879] exit_group(0 [pid 7881] <... futex resumed>) = ? [pid 7879] <... exit_group resumed>) = ? [pid 7881] +++ exited with 0 +++ [pid 7891] <... futex resumed>) = ? [pid 7891] +++ exited with 0 +++ [pid 7879] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7879, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 186.894306][ T7886] loop1: detected capacity change from 0 to 8192 [ 186.914300][ T7891] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 186.929845][ T7886] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 4997] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7889] <... write resumed>) = 4194304 [pid 7889] munmap(0x7f6a505d5000, 4194304 [pid 7890] <... write resumed>) = 4194304 [pid 7889] <... munmap resumed>) = 0 [pid 7890] munmap(0x7f6a505d5000, 4194304 [pid 7889] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7890] <... munmap resumed>) = 0 [pid 7890] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7889] <... openat resumed>) = 4 [pid 7890] <... openat resumed>) = 4 [ 186.967739][ T7886] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 186.977292][ T7886] REISERFS (device loop1): using ordered data mode [ 186.985715][ T7886] reiserfs: using flush barriers [ 186.997220][ T7886] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7889] ioctl(4, LOOP_SET_FD, 3 [pid 7890] ioctl(4, LOOP_SET_FD, 3 [pid 4997] <... umount2 resumed>) = 0 [pid 7889] <... ioctl resumed>) = 0 [pid 4997] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7890] <... ioctl resumed>) = 0 [pid 7890] close(3) = 0 [pid 7890] mkdir("./bus", 0777) = 0 [pid 7890] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7889] close(3) = 0 [pid 7889] mkdir("./bus", 0777) = 0 [pid 7889] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./148/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./148/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 187.015360][ T7886] REISERFS (device loop1): checking transaction log (loop1) [ 187.018017][ T7889] loop4: detected capacity change from 0 to 8192 [ 187.023515][ T7890] loop3: detected capacity change from 0 to 8192 [ 187.030632][ T7886] REISERFS (device loop1): Using r5 hash to sort names [ 187.044685][ T7886] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./148/bus") = 0 [pid 4997] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./148/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./148") = 0 [pid 4997] mkdir("./149", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 7886] <... mount resumed>) = 0 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 7886] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7895 ./strace-static-x86_64: Process 7895 attached [pid 7895] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7895] chdir("./149") = 0 [pid 7886] <... openat resumed>) = 3 [pid 7895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7895] setpgid(0, 0) = 0 [pid 7895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7895] write(3, "1000", 4) = 4 [pid 7895] close(3) = 0 [pid 7895] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7895] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7886] chdir("./bus" [pid 7895] <... futex resumed>) = 0 [pid 7895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [ 187.044877][ T7889] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 187.057612][ T7886] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 187.080431][ T7890] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 187.080516][ T7889] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 187.104082][ T7889] REISERFS (device loop4): using ordered data mode [ 187.111098][ T7889] reiserfs: using flush barriers [pid 7895] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7895] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7896], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7896 [pid 7895] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7895] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7896 attached [pid 7896] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7896] memfd_create("syzkaller", 0) = 3 [pid 7896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7886] <... chdir resumed>) = 0 [pid 7886] ioctl(4, LOOP_CLR_FD) = 0 [pid 7886] close(4) = 0 [ 187.117623][ T7889] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 187.130172][ T7890] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 187.134621][ T7889] REISERFS (device loop4): checking transaction log (loop4) [ 187.151503][ T7889] REISERFS (device loop4): Using r5 hash to sort names [pid 7886] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7886] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7885] <... futex resumed>) = 0 [pid 7896] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7889] <... mount resumed>) = 0 [pid 7885] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7886] <... futex resumed>) = 0 [pid 7885] <... futex resumed>) = 1 [pid 7886] mkdir("./file1", 000 [pid 7885] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7886] <... mkdir resumed>) = 0 [pid 7886] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7885] <... futex resumed>) = 0 [pid 7886] mkdir("./bus", 000 [pid 7885] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7886] <... mkdir resumed>) = 0 [pid 7885] <... futex resumed>) = 0 [pid 7886] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7885] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7886] <... futex resumed>) = 0 [pid 7885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7886] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7885] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7889] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7889] chdir("./bus") = 0 [pid 7889] ioctl(4, LOOP_CLR_FD) = 0 [pid 7889] close(4) = 0 [pid 7889] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7887] <... futex resumed>) = 0 [pid 7887] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7887] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7889] <... futex resumed>) = 1 [pid 7889] mkdir("./file1", 000) = 0 [ 187.158726][ T7889] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 187.172018][ T7889] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 187.178464][ T7890] REISERFS (device loop3): using ordered data mode [ 187.188463][ T7890] reiserfs: using flush barriers [ 187.188466][ T7886] overlayfs: upper fs needs to support d_type. [ 187.188493][ T7886] overlayfs: upper fs does not support tmpfile. [pid 7889] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7887] <... futex resumed>) = 0 [pid 7887] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7885] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7887] <... futex resumed>) = 0 [pid 7887] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7889] <... futex resumed>) = 1 [pid 7889] mkdir("./bus", 000) = 0 [pid 7889] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7887] <... futex resumed>) = 0 [pid 7887] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7887] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7889] <... futex resumed>) = 1 [pid 7889] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7886] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7896] <... write resumed>) = 4194304 [ 187.210484][ T7890] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 187.220733][ T7886] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 187.234639][ T7889] overlayfs: upper fs needs to support d_type. [ 187.235311][ T7886] overlayfs: failed to resolve './file0': -2 [ 187.247013][ T7889] overlayfs: upper fs does not support tmpfile. [ 187.247650][ T7890] REISERFS (device loop3): checking transaction log (loop3) [ 187.261308][ T7889] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7896] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7896] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7896] ioctl(4, LOOP_SET_FD, 3 [pid 7886] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7887] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7887] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7887] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7887] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7897], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7897 [pid 7887] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7887] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7886] <... futex resumed>) = 1 [pid 7885] <... futex resumed>) = 0 [pid 7885] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7885] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7897 attached [pid 7897] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7897] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7897] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7896] <... ioctl resumed>) = 0 [pid 7896] close(3) = 0 [pid 7896] mkdir("./bus", 0777) = 0 [pid 7896] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7886] mkdir(".", 0777) = -1 EEXIST (File exists) [ 187.262136][ T7890] REISERFS (device loop3): Using r5 hash to sort names [ 187.272679][ T7896] loop0: detected capacity change from 0 to 8192 [ 187.275889][ T7890] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 187.285586][ T7889] overlayfs: failed to resolve './file0': -2 [ 187.295089][ T7890] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7886] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7890] <... mount resumed>) = 0 [pid 7890] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7890] chdir("./bus") = 0 [pid 7890] ioctl(4, LOOP_CLR_FD) = 0 [pid 7890] close(4 [pid 7889] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7889] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7889] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7890] <... close resumed>) = 0 [pid 7890] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7888] <... futex resumed>) = 0 [pid 7888] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7888] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7890] <... futex resumed>) = 1 [pid 7890] mkdir("./file1", 000) = 0 [pid 7890] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7888] <... futex resumed>) = 0 [pid 7888] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7888] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7890] <... futex resumed>) = 1 [pid 7890] mkdir("./bus", 000) = 0 [pid 7890] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7888] <... futex resumed>) = 0 [pid 7888] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7888] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7890] <... futex resumed>) = 1 [pid 7890] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7897] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7897] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7887] <... futex resumed>) = 0 [pid 7887] exit_group(0 [pid 7889] <... futex resumed>) = ? [pid 7887] <... exit_group resumed>) = ? [pid 7889] +++ exited with 0 +++ [pid 7897] <... futex resumed>) = ? [pid 7897] +++ exited with 0 +++ [pid 7887] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7887, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 187.312904][ T7897] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 187.329136][ T7896] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 187.347546][ T7890] overlayfs: upper fs needs to support d_type. [pid 5001] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7888] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7888] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7888] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7888] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7899], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7899 [pid 7888] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 187.355838][ T7886] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 187.356372][ T7896] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 187.382568][ T7896] REISERFS (device loop0): using ordered data mode [ 187.389979][ T7896] reiserfs: using flush barriers [ 187.399187][ T7890] overlayfs: upper fs does not support tmpfile. [ 187.406520][ T7890] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7888] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7899 attached [pid 7886] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = 0 [pid 7899] set_robust_list(0x7f6a509d49e0, 24 [pid 7886] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7899] <... set_robust_list resumed>) = 0 [pid 7886] <... futex resumed>) = 1 [pid 7885] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7899] mkdir(".", 0777 [pid 7886] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7885] exit_group(0 [pid 5001] lstat("./148/bus", [pid 7899] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7886] <... futex resumed>) = ? [pid 7885] <... exit_group resumed>) = ? [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7899] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7886] +++ exited with 0 +++ [pid 7885] +++ exited with 0 +++ [pid 5001] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./148/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./148/bus") = 0 [pid 5001] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./148/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./148") = 0 [pid 5001] mkdir("./149", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7900 ./strace-static-x86_64: Process 7900 attached [pid 7900] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7900] chdir("./149") = 0 [pid 7900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7900] setpgid(0, 0) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7885, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 4998] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7900] <... openat resumed>) = 3 [pid 7900] write(3, "1000", 4) = 4 [pid 7900] close(3) = 0 [pid 4998] <... openat resumed>) = 3 [pid 7900] symlink("/dev/binderfs", "./binderfs" [pid 4998] fstat(3, [pid 7900] <... symlink resumed>) = 0 [pid 7900] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7900] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7900] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7901], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7901 [pid 7900] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7900] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7901 attached [pid 7901] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7901] memfd_create("syzkaller", 0) = 3 [pid 7901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7890] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7890] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7890] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 187.416013][ T7890] overlayfs: failed to resolve './file0': -2 [ 187.432273][ T7896] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 187.455007][ T7899] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7901] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7899] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7899] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... umount2 resumed>) = 0 [pid 7899] <... futex resumed>) = 1 [pid 7888] <... futex resumed>) = 0 [pid 7899] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7888] exit_group(0 [pid 4998] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7899] <... futex resumed>) = ? [pid 7888] <... exit_group resumed>) = ? [pid 7890] <... futex resumed>) = ? [pid 7890] +++ exited with 0 +++ [pid 7899] +++ exited with 0 +++ [pid 7888] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7888, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4998] lstat("./149/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5000] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] openat(AT_FDCWD, "./149/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./149/bus") = 0 [pid 4998] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7901] <... write resumed>) = 4194304 [pid 7901] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7901] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7901] ioctl(4, LOOP_SET_FD, 3 [pid 4998] unlink("./149/binderfs" [pid 7901] <... ioctl resumed>) = 0 [pid 7901] close(3) = 0 [pid 7901] mkdir("./bus", 0777) = 0 [pid 7901] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4998] <... unlink resumed>) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./149") = 0 [pid 4998] mkdir("./150", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7903 [pid 7896] <... mount resumed>) = 0 [ 187.536181][ T7896] REISERFS (device loop0): checking transaction log (loop0) [ 187.539377][ T7901] loop4: detected capacity change from 0 to 8192 [ 187.544914][ T7896] REISERFS (device loop0): Using r5 hash to sort names [ 187.561932][ T7896] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 187.575616][ T7896] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7896] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7896] chdir("./bus") = 0 [pid 7896] ioctl(4, LOOP_CLR_FD) = 0 [pid 7896] close(4) = 0 [pid 7896] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7895] <... futex resumed>) = 0 [pid 7895] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7895] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7896] <... futex resumed>) = 1 [pid 7896] mkdir("./file1", 000) = 0 [pid 7896] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7895] <... futex resumed>) = 0 [pid 7895] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7895] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7896] <... futex resumed>) = 1 [pid 7896] mkdir("./bus", 000) = 0 [pid 7896] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7895] <... futex resumed>) = 0 [pid 7895] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7895] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7896] <... futex resumed>) = 1 [pid 7896] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./149/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./149/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./149/bus") = 0 [pid 5000] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./149/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./149") = 0 [pid 5000] mkdir("./150", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7904 ./strace-static-x86_64: Process 7903 attached [pid 7903] set_robust_list(0x5555564f86e0, 24./strace-static-x86_64: Process 7904 attached ) = 0 [pid 7903] chdir("./150") = 0 [pid 7903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7904] set_robust_list(0x5555564f86e0, 24 [pid 7903] setpgid(0, 0) = 0 [pid 7903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7904] <... set_robust_list resumed>) = 0 [pid 7904] chdir("./150" [pid 7903] <... openat resumed>) = 3 [pid 7903] write(3, "1000", 4) = 4 [pid 7903] close(3) = 0 [pid 7903] symlink("/dev/binderfs", "./binderfs" [pid 7904] <... chdir resumed>) = 0 [pid 7903] <... symlink resumed>) = 0 [pid 7903] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7903] <... futex resumed>) = 0 [pid 7903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7904] <... prctl resumed>) = 0 [pid 7903] <... mmap resumed>) = 0x7f6a589d5000 [pid 7903] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7904] setpgid(0, 0 [pid 7903] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7904] <... setpgid resumed>) = 0 [pid 7903] <... clone resumed>, parent_tid=[7905], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7905 [pid 7903] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7903] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 187.586125][ T7901] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 187.600869][ T7896] overlayfs: upper fs needs to support d_type. [ 187.612019][ T7896] overlayfs: upper fs does not support tmpfile. [pid 7904] write(3, "1000", 4) = 4 [pid 7904] close(3) = 0 [pid 7904] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7904] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7904] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7895] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7904] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7895] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7904] <... clone resumed>, parent_tid=[7906], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7906 [pid 7895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7904] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7895] <... mmap resumed>) = 0x7f6a509b4000 [pid 7904] <... futex resumed>) = 0 [pid 7895] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7904] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7895] <... mprotect resumed>) = 0 [pid 7895] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7907], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7907 [pid 7895] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7895] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7905 attached [pid 7905] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7905] memfd_create("syzkaller", 0) = 3 [pid 7905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7906 attached [pid 7906] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7906] memfd_create("syzkaller", 0) = 3 [pid 7906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7907 attached [pid 7907] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7907] mkdir(".", 0777) = -1 EEXIST (File exists) [ 187.639685][ T7896] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 187.647602][ T7901] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 187.659621][ T7896] overlayfs: failed to resolve './file0': -2 [ 187.676116][ T7901] REISERFS (device loop4): using ordered data mode [ 187.683813][ T7901] reiserfs: using flush barriers [pid 7907] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7905] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7896] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7896] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7896] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7905] <... write resumed>) = 4194304 [pid 7905] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7905] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7905] ioctl(4, LOOP_SET_FD, 3 [pid 7907] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7907] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7907] <... futex resumed>) = 1 [pid 7895] <... futex resumed>) = 0 [pid 7895] exit_group(0 [pid 7896] <... futex resumed>) = ? [pid 7895] <... exit_group resumed>) = ? [pid 7896] +++ exited with 0 +++ [pid 7905] <... ioctl resumed>) = 0 [pid 7905] close(3) = 0 [pid 7905] mkdir("./bus", 0777) = 0 [ 187.693736][ T7907] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 187.719436][ T7901] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 187.724306][ T7905] loop1: detected capacity change from 0 to 8192 [pid 7905] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7907] +++ exited with 0 +++ [pid 7895] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7895, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 4997] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7906] <... write resumed>) = 4194304 [pid 7906] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7906] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 187.748148][ T7901] REISERFS (device loop4): checking transaction log (loop4) [ 187.749077][ T7905] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 187.769006][ T7905] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 187.778852][ T7905] REISERFS (device loop1): using ordered data mode [ 187.780495][ T7906] loop3: detected capacity change from 0 to 8192 [ 187.785928][ T7905] reiserfs: using flush barriers [pid 7906] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7906] close(3) = 0 [pid 7906] mkdir("./bus", 0777) = 0 [ 187.792060][ T7901] REISERFS (device loop4): Using r5 hash to sort names [ 187.805085][ T7905] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 187.806041][ T7901] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 187.822027][ T7905] REISERFS (device loop1): checking transaction log (loop1) [pid 7906] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7901] <... mount resumed>) = 0 [pid 7901] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7901] chdir("./bus") = 0 [pid 7901] ioctl(4, LOOP_CLR_FD) = 0 [pid 7901] close(4) = 0 [pid 7901] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7900] <... futex resumed>) = 0 [pid 7900] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7900] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7901] <... futex resumed>) = 1 [pid 7901] mkdir("./file1", 000) = 0 [pid 7901] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7900] <... futex resumed>) = 0 [pid 7900] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7900] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7901] <... futex resumed>) = 1 [pid 7901] mkdir("./bus", 000) = 0 [pid 7901] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7900] <... futex resumed>) = 0 [pid 7900] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7900] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7901] <... futex resumed>) = 1 [ 187.837847][ T7901] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 187.842699][ T7905] REISERFS (device loop1): Using r5 hash to sort names [ 187.859355][ T7905] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 187.872749][ T7901] overlayfs: upper fs needs to support d_type. [ 187.879435][ T7906] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7901] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7905] <... mount resumed>) = 0 [pid 7900] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7900] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7900] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7900] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7905] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7900] <... clone resumed>, parent_tid=[7910], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7910 [pid 7900] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7905] <... openat resumed>) = 3 [pid 7900] <... futex resumed>) = 0 [pid 7900] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7905] chdir("./bus") = 0 [pid 7905] ioctl(4, LOOP_CLR_FD) = 0 [ 187.880081][ T7905] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 187.898346][ T7901] overlayfs: upper fs does not support tmpfile. [ 187.901979][ T7906] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 187.917109][ T7906] REISERFS (device loop3): using ordered data mode [ 187.924634][ T7906] reiserfs: using flush barriers [ 187.930804][ T7906] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7905] close(4) = 0 [pid 7905] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7903] <... futex resumed>) = 0 [pid 7905] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7903] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7905] mkdir("./file1", 000 [pid 7903] <... futex resumed>) = 0 [pid 7905] <... mkdir resumed>) = 0 [pid 7903] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7905] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7905] <... futex resumed>) = 0 [pid 7903] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7905] mkdir("./bus", 000 [pid 7903] <... futex resumed>) = 0 [pid 7905] <... mkdir resumed>) = 0 [pid 7903] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7905] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7905] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7903] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7903] <... futex resumed>) = 0 [pid 7905] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7903] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7910 attached [pid 7910] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7910] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7910] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7901] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4997] <... umount2 resumed>) = 0 [pid 7910] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 187.948629][ T7901] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 187.956583][ T7901] overlayfs: failed to resolve './file0': -2 [ 187.976290][ T7910] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 187.980073][ T7906] REISERFS (device loop3): checking transaction log (loop3) [pid 7910] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7900] <... futex resumed>) = 0 [pid 7910] <... futex resumed>) = 1 [pid 7910] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7901] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./149/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./149/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./149/bus") = 0 [pid 4997] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./149/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./149") = 0 [pid 4997] mkdir("./150", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 7903] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7901] <... futex resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 7903] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7903] <... futex resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7911 attached ) = 0x7f6a509b4000 [pid 7900] exit_group(0 [pid 7903] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7911 [pid 7903] <... mprotect resumed>) = 0 [ 187.998711][ T7905] overlayfs: upper fs needs to support d_type. [ 188.002209][ T7906] REISERFS (device loop3): Using r5 hash to sort names [ 188.004890][ T7905] overlayfs: upper fs does not support tmpfile. [ 188.005246][ T7905] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 188.012663][ T7906] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 188.019693][ T7905] overlayfs: failed to resolve './file0': -2 [pid 7903] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7912 attached [pid 7912] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7912] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7911] set_robust_list(0x5555564f86e0, 24 [pid 7905] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7903] <... clone resumed>, parent_tid=[7912], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7912 [pid 7901] <... futex resumed>) = ? [pid 7900] <... exit_group resumed>) = ? [pid 7903] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] +++ exited with 0 +++ [pid 7903] <... futex resumed>) = 1 [pid 7903] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7905] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7905] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7910] <... futex resumed>) = ? [pid 7910] +++ exited with 0 +++ [pid 7912] <... futex resumed>) = 0 [pid 7912] mkdir(".", 0777 [pid 7911] <... set_robust_list resumed>) = 0 [pid 7906] <... mount resumed>) = 0 [pid 7912] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7912] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7911] chdir("./150") = 0 [pid 7911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7911] setpgid(0, 0) = 0 [pid 7911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7911] write(3, "1000", 4) = 4 [pid 7911] close(3) = 0 [pid 7911] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7911] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7911] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7911] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7913], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7913 [pid 7911] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7911] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7913 attached [pid 7913] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7913] memfd_create("syzkaller", 0) = 3 [pid 7913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7900] +++ exited with 0 +++ [pid 7912] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7906] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7912] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7906] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7900, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7912] <... futex resumed>) = 1 [pid 7906] chdir("./bus") = 0 [pid 7912] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7906] ioctl(4, LOOP_CLR_FD) = 0 [pid 7903] <... futex resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 7906] close(4) = 0 [pid 7903] exit_group(0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 7905] <... futex resumed>) = ? [pid 7903] <... exit_group resumed>) = ? [pid 7905] +++ exited with 0 +++ [pid 5001] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7906] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7904] <... futex resumed>) = 0 [pid 7904] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7906] mkdir("./file1", 000 [pid 7904] <... futex resumed>) = 0 [pid 7906] <... mkdir resumed>) = 0 [pid 7904] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7906] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7906] <... futex resumed>) = 1 [pid 7904] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 7906] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7904] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] fstat(3, [pid 7906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7904] <... futex resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7906] mkdir("./bus", 000 [pid 7904] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] getdents64(3, [pid 7906] <... mkdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7906] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7906] <... futex resumed>) = 1 [pid 7904] <... futex resumed>) = 0 [pid 7906] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7912] <... futex resumed>) = ? [pid 7904] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7906] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7904] <... futex resumed>) = 0 [pid 7904] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7912] +++ exited with 0 +++ [pid 7903] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7903, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 4998] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 188.052149][ T7906] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 188.066328][ T7912] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 188.094069][ T7906] overlayfs: upper fs needs to support d_type. [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, [pid 7913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7904] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7904] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7904] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7904] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7914], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7914 [pid 7904] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7904] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7914 attached [pid 7914] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7914] mkdir(".", 0777 [pid 5001] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7914] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7914] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] lstat("./149/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./149/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [ 188.110670][ T7906] overlayfs: upper fs does not support tmpfile. [ 188.118465][ T7906] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 188.126778][ T7906] overlayfs: failed to resolve './file0': -2 [pid 5001] rmdir("./149/bus") = 0 [pid 5001] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./149/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./149") = 0 [pid 5001] mkdir("./150", 0777 [pid 7906] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7906] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7906] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 7914] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7913] <... write resumed>) = 4194304 [pid 5001] <... close resumed>) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 7913] munmap(0x7f6a505d5000, 4194304 [pid 4998] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7913] <... munmap resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7913] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4998] lstat("./150/bus", [pid 7913] <... openat resumed>) = 4 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7913] ioctl(4, LOOP_SET_FD, 3 [pid 4998] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./150/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, [pid 7914] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7914] <... futex resumed>) = 1 [pid 7904] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] close(4 [pid 7914] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7904] exit_group(0 [pid 4998] <... close resumed>) = 0 [pid 7914] <... futex resumed>) = ? [pid 7906] <... futex resumed>) = ? [pid 7904] <... exit_group resumed>) = ? [pid 4998] rmdir("./150/bus" [pid 7914] +++ exited with 0 +++ [pid 7906] +++ exited with 0 +++ [pid 7904] +++ exited with 0 +++ [pid 4998] <... rmdir resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7915 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7904, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 4998] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./150/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./150") = 0 [pid 4998] mkdir("./151", 0777 [pid 5000] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... mkdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5000] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 7913] <... ioctl resumed>) = 0 [pid 5000] fstat(3, [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] close(3 [pid 5000] getdents64(3, [pid 4998] <... close resumed>) = 0 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7916 ./strace-static-x86_64: Process 7916 attached [pid 7916] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7916] chdir("./151") = 0 [pid 7916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7916] setpgid(0, 0) = 0 [pid 7916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7916] write(3, "1000", 4) = 4 [pid 7916] close(3) = 0 [pid 7916] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7916] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7916] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7916] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7917], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7917 [pid 7916] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7916] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7917 attached [pid 7917] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7917] memfd_create("syzkaller", 0) = 3 [pid 7917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7913] close(3) = 0 [pid 7913] mkdir("./bus", 0777) = 0 [ 188.187880][ T7914] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 188.217381][ T7913] loop0: detected capacity change from 0 to 8192 [pid 7913] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7917] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7915 attached [pid 7915] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7915] chdir("./150") = 0 [pid 7915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7915] setpgid(0, 0) = 0 [pid 7915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7915] write(3, "1000", 4) = 4 [pid 7915] close(3) = 0 [pid 7915] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7915] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7915] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7915] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7919], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7919 [pid 7915] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7915] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7919 attached [pid 7919] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7919] memfd_create("syzkaller", 0) = 3 [pid 7919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5000] <... umount2 resumed>) = 0 [ 188.255486][ T7913] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5000] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7919] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7917] <... write resumed>) = 4194304 [pid 5000] lstat("./150/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7917] munmap(0x7f6a505d5000, 4194304 [pid 5000] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7917] <... munmap resumed>) = 0 [pid 7917] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7917] <... openat resumed>) = 4 [pid 5000] openat(AT_FDCWD, "./150/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7917] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... openat resumed>) = 4 [pid 5000] fstat(4, [pid 7917] <... ioctl resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./150/bus" [pid 7919] <... write resumed>) = 4194304 [pid 7917] close(3 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7917] <... close resumed>) = 0 [ 188.317540][ T7913] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 188.327042][ T7913] REISERFS (device loop0): using ordered data mode [ 188.334175][ T7913] reiserfs: using flush barriers [ 188.342182][ T7917] loop1: detected capacity change from 0 to 8192 [pid 7917] mkdir("./bus", 0777 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./150/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./150") = 0 [pid 5000] mkdir("./151", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 7919] munmap(0x7f6a505d5000, 4194304 [pid 7917] <... mkdir resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7919] <... munmap resumed>) = 0 [pid 7917] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7919] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7920 [pid 7919] <... openat resumed>) = 4 [pid 7919] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7920 attached [ 188.353834][ T7913] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 188.371175][ T7913] REISERFS (device loop0): checking transaction log (loop0) [ 188.379267][ T7913] REISERFS (device loop0): Using r5 hash to sort names [ 188.383837][ T7919] loop4: detected capacity change from 0 to 8192 [ 188.386382][ T7913] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 188.394173][ T7917] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7920] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7919] <... ioctl resumed>) = 0 [pid 7919] close(3) = 0 [pid 7919] mkdir("./bus", 0777 [pid 7920] chdir("./151") = 0 [pid 7919] <... mkdir resumed>) = 0 [pid 7919] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7920] setpgid(0, 0 [pid 7913] <... mount resumed>) = 0 [pid 7913] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7913] chdir("./bus") = 0 [pid 7913] ioctl(4, LOOP_CLR_FD) = 0 [pid 7913] close(4) = 0 [pid 7913] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7911] <... futex resumed>) = 0 [pid 7911] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7911] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7913] <... futex resumed>) = 1 [pid 7913] mkdir("./file1", 000 [pid 7920] <... setpgid resumed>) = 0 [pid 7913] <... mkdir resumed>) = 0 [pid 7920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7913] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7911] <... futex resumed>) = 0 [pid 7911] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7911] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7913] <... futex resumed>) = 1 [pid 7913] mkdir("./bus", 000) = 0 [pid 7913] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7911] <... futex resumed>) = 0 [pid 7911] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7911] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7913] <... futex resumed>) = 1 [pid 7913] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7920] <... openat resumed>) = 3 [ 188.405296][ T7913] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 188.431425][ T7917] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 188.444269][ T7917] REISERFS (device loop1): using ordered data mode [ 188.448580][ T7919] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7920] write(3, "1000", 4) = 4 [pid 7920] close(3) = 0 [pid 7920] symlink("/dev/binderfs", "./binderfs" [pid 7911] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7911] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7911] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7911] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7911] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7923], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7923 [pid 7911] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7911] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7920] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 7923 attached [pid 7920] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7923] set_robust_list(0x7f6a509d49e0, 24 [pid 7920] <... futex resumed>) = 0 [pid 7923] <... set_robust_list resumed>) = 0 [pid 7920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7923] mkdir(".", 0777 [pid 7920] <... mmap resumed>) = 0x7f6a589d5000 [pid 7923] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7920] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7923] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7920] <... mprotect resumed>) = 0 [ 188.451602][ T7917] reiserfs: using flush barriers [ 188.470899][ T7917] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 188.473664][ T7913] overlayfs: upper fs needs to support d_type. [ 188.487789][ T7917] REISERFS (device loop1): checking transaction log (loop1) [ 188.504494][ T7919] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7920] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7924], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7924 [pid 7920] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7924 attached [pid 7920] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7924] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7924] memfd_create("syzkaller", 0) = 3 [pid 7924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7923] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 188.507899][ T7923] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 188.514259][ T7913] overlayfs: upper fs does not support tmpfile. [ 188.529639][ T7917] REISERFS (device loop1): Using r5 hash to sort names [ 188.535243][ T7919] REISERFS (device loop4): using ordered data mode [ 188.550115][ T7917] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7923] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7917] <... mount resumed>) = 0 [pid 7911] <... futex resumed>) = 0 [pid 7923] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7917] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7917] chdir("./bus") = 0 [pid 7917] ioctl(4, LOOP_CLR_FD) = 0 [pid 7917] close(4) = 0 [pid 7924] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7917] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7916] <... futex resumed>) = 0 [pid 7916] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7916] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7917] mkdir("./file1", 000) = 0 [pid 7917] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7916] <... futex resumed>) = 0 [pid 7917] mkdir("./bus", 000 [pid 7916] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7916] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7917] <... mkdir resumed>) = 0 [ 188.563718][ T7917] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 188.564419][ T7913] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 188.573833][ T7919] reiserfs: using flush barriers [ 188.588450][ T7919] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 188.608057][ T7919] REISERFS (device loop4): checking transaction log (loop4) [pid 7917] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7916] <... futex resumed>) = 0 [pid 7916] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7917] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7916] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7913] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7916] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7916] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7916] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7916] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7925], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7925 [pid 7916] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7913] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7916] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7913] <... futex resumed>) = 0 [ 188.618901][ T7917] overlayfs: upper fs needs to support d_type. [ 188.625122][ T7917] overlayfs: upper fs does not support tmpfile. [ 188.631914][ T7919] REISERFS (device loop4): Using r5 hash to sort names [ 188.639940][ T7913] overlayfs: failed to resolve './file0': -2 [ 188.640087][ T7919] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 188.659941][ T7917] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7913] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7911] exit_group(0 [pid 7913] <... futex resumed>) = ? [pid 7911] <... exit_group resumed>) = ? [pid 7913] +++ exited with 0 +++ ./strace-static-x86_64: Process 7925 attached [pid 7925] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7925] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7925] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7923] <... futex resumed>) = ? [pid 7924] <... write resumed>) = 4194304 [pid 7924] munmap(0x7f6a505d5000, 4194304 [pid 7923] +++ exited with 0 +++ [pid 7911] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7911, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 4997] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7924] <... munmap resumed>) = 0 [pid 7924] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7924] ioctl(4, LOOP_SET_FD, 3 [pid 7917] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4997] <... openat resumed>) = 3 [pid 7924] <... ioctl resumed>) = 0 [pid 7919] <... mount resumed>) = 0 [pid 7917] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] fstat(3, [pid 7917] <... futex resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7917] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7919] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7924] close(3) = 0 [pid 7919] <... openat resumed>) = 3 [pid 7924] mkdir("./bus", 0777 [pid 7919] chdir("./bus") = 0 [pid 7919] ioctl(4, LOOP_CLR_FD) = 0 [pid 7919] close(4 [pid 7924] <... mkdir resumed>) = 0 [pid 7919] <... close resumed>) = 0 [pid 7919] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7915] <... futex resumed>) = 0 [pid 7915] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7915] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7919] <... futex resumed>) = 1 [pid 7919] mkdir("./file1", 000) = 0 [pid 7924] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7919] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7915] <... futex resumed>) = 0 [pid 7915] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7915] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7919] <... futex resumed>) = 1 [pid 7919] mkdir("./bus", 000) = 0 [pid 7919] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7915] <... futex resumed>) = 0 [pid 7915] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7919] <... futex resumed>) = 1 [pid 7915] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 188.671752][ T7917] overlayfs: failed to resolve './file0': -2 [ 188.686005][ T7924] loop3: detected capacity change from 0 to 8192 [ 188.688133][ T7919] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 188.693665][ T7925] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7919] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7925] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 188.728289][ T7919] overlayfs: upper fs needs to support d_type. [ 188.735278][ T7919] overlayfs: upper fs does not support tmpfile. [ 188.742801][ T7919] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 188.749048][ T7924] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 188.752069][ T7919] overlayfs: failed to resolve './file0': -2 [pid 7915] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7919] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7915] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7919] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7915] <... futex resumed>) = 0 [pid 7919] <... futex resumed>) = 0 [pid 7915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7919] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7915] <... mmap resumed>) = 0x7f6a509b4000 [pid 7915] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7915] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7927], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7927 [pid 7915] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7915] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7925] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7916] <... futex resumed>) = 0 [pid 7916] exit_group(0 [pid 7917] <... futex resumed>) = ? [pid 7916] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7927 attached [pid 7917] +++ exited with 0 +++ [pid 7927] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7927] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7927] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7925] <... futex resumed>) = ? [pid 4997] <... umount2 resumed>) = 0 [pid 7925] +++ exited with 0 +++ [pid 7916] +++ exited with 0 +++ [pid 4997] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./150/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./150/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./150/bus") = 0 [pid 4997] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./150/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./150") = 0 [pid 4997] mkdir("./151", 0777) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7916, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7927] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7927] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7915] <... futex resumed>) = 0 [pid 7915] exit_group(0 [pid 7919] <... futex resumed>) = ? [pid 7915] <... exit_group resumed>) = ? [ 188.769809][ T7924] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 188.792563][ T7924] REISERFS (device loop3): using ordered data mode [ 188.794606][ T7927] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 188.799230][ T7924] reiserfs: using flush barriers [pid 7919] +++ exited with 0 +++ [pid 7927] <... futex resumed>) = ? [pid 7927] +++ exited with 0 +++ [pid 7915] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7915, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5001] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7928 ./strace-static-x86_64: Process 7928 attached [pid 7928] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7928] chdir("./151") = 0 [pid 7928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7928] setpgid(0, 0) = 0 [pid 7928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7928] write(3, "1000", 4) = 4 [pid 7928] close(3) = 0 [pid 7928] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7928] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 188.814535][ T7924] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 188.835844][ T7924] REISERFS (device loop3): checking transaction log (loop3) [ 188.852523][ T7924] REISERFS (device loop3): Using r5 hash to sort names [ 188.860729][ T7924] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7924] <... mount resumed>) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 7928] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7924] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7928] <... mprotect resumed>) = 0 [pid 7924] <... openat resumed>) = 3 [pid 7928] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7924] chdir("./bus") = 0 [pid 7928] <... clone resumed>, parent_tid=[7929], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7929 [pid 7924] ioctl(4, LOOP_CLR_FD [pid 7928] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7924] <... ioctl resumed>) = 0 [pid 7928] <... futex resumed>) = 0 [pid 7924] close(4 [pid 7928] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7924] <... close resumed>) = 0 [pid 7924] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7924] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./151/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./151/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./151/bus") = 0 [pid 4998] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7920] <... futex resumed>) = 0 [pid 7920] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7924] <... futex resumed>) = 0 [pid 7920] <... futex resumed>) = 1 [pid 7924] mkdir("./file1", 000) = 0 [pid 7920] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7924] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7924] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7920] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7924] mkdir("./bus", 000) = 0 [pid 7920] <... futex resumed>) = 0 [pid 7924] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7920] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7924] <... futex resumed>) = 0 [pid 7920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7924] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7920] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 188.873766][ T7924] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7924] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7920] <... futex resumed>) = 0 [pid 4998] unlink("./151/binderfs" [pid 7920] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] <... unlink resumed>) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./151") = 0 [pid 4998] mkdir("./152", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 ./strace-static-x86_64: Process 7929 attached [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7929] set_robust_list(0x7f6a589f59e0, 24 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7930 [pid 7929] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7930 attached [pid 7930] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7930] chdir("./152") = 0 [pid 7930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7929] memfd_create("syzkaller", 0) = 3 [pid 7930] <... prctl resumed>) = 0 [pid 7930] setpgid(0, 0) = 0 [pid 7930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7929] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7930] <... openat resumed>) = 3 [pid 7929] <... mmap resumed>) = 0x7f6a505d5000 [pid 7930] write(3, "1000", 4) = 4 [pid 7930] close(3) = 0 [ 188.911106][ T7924] overlayfs: upper fs needs to support d_type. [ 188.925690][ T7924] overlayfs: upper fs does not support tmpfile. [pid 7930] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7930] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7930] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7930] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7931], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7931 [pid 7930] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7930] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7931 attached [pid 7931] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7931] memfd_create("syzkaller", 0) = 3 [pid 7931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7931] <... mmap resumed>) = 0x7f6a505d5000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./150/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./150/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./150/bus" [pid 7920] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7920] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7920] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7920] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7932], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7932 [pid 5001] <... rmdir resumed>) = 0 [pid 7920] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7920] <... futex resumed>) = 0 [pid 7920] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./150/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./150"./strace-static-x86_64: Process 7932 attached [pid 7929] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./151", 0777 [pid 7932] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 7932] mkdir(".", 0777 [pid 5001] <... close resumed>) = 0 [pid 7932] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7932] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7933 [ 188.952089][ T7924] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 188.978495][ T7924] overlayfs: failed to resolve './file0': -2 ./strace-static-x86_64: Process 7933 attached [pid 7933] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7933] chdir("./151") = 0 [pid 7933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7933] setpgid(0, 0) = 0 [pid 7933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7933] write(3, "1000", 4) = 4 [pid 7933] close(3) = 0 [pid 7933] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7933] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7933] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7933] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7934], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7934 [pid 7933] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7933] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7924] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7924] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7924] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7934 attached [pid 7934] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7934] memfd_create("syzkaller", 0) = 3 [pid 7934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7931] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7932] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7932] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7920] <... futex resumed>) = 0 [pid 7932] <... futex resumed>) = 1 [pid 7920] exit_group(0) = ? [pid 7924] <... futex resumed>) = ? [pid 7924] +++ exited with 0 +++ [pid 7932] +++ exited with 0 +++ [pid 7920] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7920, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7929] <... write resumed>) = 4194304 [pid 7929] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7929] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 189.012373][ T7932] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7929] ioctl(4, LOOP_SET_FD, 3 [pid 7931] <... write resumed>) = 4194304 [pid 7931] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7931] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7931] ioctl(4, LOOP_SET_FD, 3 [pid 7929] <... ioctl resumed>) = 0 [pid 7929] close(3) = 0 [pid 7929] mkdir("./bus", 0777) = 0 [pid 7929] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7931] <... ioctl resumed>) = 0 [pid 7931] close(3) = 0 [pid 7934] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 189.062575][ T7929] loop0: detected capacity change from 0 to 8192 [ 189.093915][ T7931] loop1: detected capacity change from 0 to 8192 [pid 7931] mkdir("./bus", 0777 [pid 5000] <... umount2 resumed>) = 0 [pid 7931] <... mkdir resumed>) = 0 [pid 7931] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5000] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./151/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./151/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7934] <... write resumed>) = 4194304 [pid 5000] <... openat resumed>) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./151/bus") = 0 [pid 5000] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./151/binderfs") = 0 [pid 5000] getdents64(3, [pid 7934] munmap(0x7f6a505d5000, 4194304 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./151") = 0 [pid 5000] mkdir("./152", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 189.105004][ T7929] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 189.123854][ T7931] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 189.132588][ T7929] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 189.146235][ T7929] REISERFS (device loop0): using ordered data mode [ 189.154273][ T7929] reiserfs: using flush barriers [pid 5000] close(3 [pid 7934] <... munmap resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7937 ./strace-static-x86_64: Process 7937 attached [pid 7937] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7937] chdir("./152") = 0 [pid 7937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7937] setpgid(0, 0) = 0 [pid 7937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7937] write(3, "1000", 4) = 4 [pid 7937] close(3) = 0 [pid 7937] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7937] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7934] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7934] <... openat resumed>) = 4 [pid 7934] ioctl(4, LOOP_SET_FD, 3 [pid 7937] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7937] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7938], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7938 [pid 7937] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7937] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7938 attached [pid 7938] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7938] memfd_create("syzkaller", 0) = 3 [pid 7938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7934] <... ioctl resumed>) = 0 [pid 7934] close(3) = 0 [ 189.160033][ T7931] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 189.169246][ T7929] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 189.185688][ T7931] REISERFS (device loop1): using ordered data mode [ 189.188478][ T7934] loop4: detected capacity change from 0 to 8192 [ 189.192490][ T7931] reiserfs: using flush barriers [pid 7934] mkdir("./bus", 0777) = 0 [ 189.204573][ T7931] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 189.221216][ T7929] REISERFS (device loop0): checking transaction log (loop0) [ 189.228951][ T7934] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 189.229375][ T7929] REISERFS (device loop0): Using r5 hash to sort names [ 189.249332][ T7931] REISERFS (device loop1): checking transaction log (loop1) [pid 7934] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7938] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [ 189.257368][ T7931] REISERFS (device loop1): Using r5 hash to sort names [ 189.258195][ T7934] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 189.264369][ T7931] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 189.286461][ T7929] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 189.299647][ T7934] REISERFS (device loop4): using ordered data mode [ 189.306168][ T7934] reiserfs: using flush barriers [pid 7938] munmap(0x7f6a505d5000, 4194304 [pid 7931] <... mount resumed>) = 0 [pid 7931] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7931] chdir("./bus") = 0 [pid 7931] ioctl(4, LOOP_CLR_FD) = 0 [pid 7931] close(4 [pid 7938] <... munmap resumed>) = 0 [pid 7938] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7938] ioctl(4, LOOP_SET_FD, 3 [pid 7931] <... close resumed>) = 0 [pid 7931] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7931] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7929] <... mount resumed>) = 0 [pid 7929] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7929] chdir("./bus") = 0 [pid 7930] <... futex resumed>) = 0 [pid 7938] <... ioctl resumed>) = 0 [pid 7930] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7929] ioctl(4, LOOP_CLR_FD) = 0 [pid 7929] close(4 [pid 7930] <... futex resumed>) = 1 [pid 7938] close(3 [pid 7931] <... futex resumed>) = 0 [pid 7930] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7938] <... close resumed>) = 0 [pid 7931] mkdir("./file1", 000 [pid 7938] mkdir("./bus", 0777 [pid 7931] <... mkdir resumed>) = 0 [pid 7938] <... mkdir resumed>) = 0 [pid 7938] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 189.311673][ T7929] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 189.312110][ T7931] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 189.332084][ T7938] loop3: detected capacity change from 0 to 8192 [ 189.339220][ T7934] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7931] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7930] <... futex resumed>) = 0 [pid 7931] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7930] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7930] <... futex resumed>) = 0 [pid 7931] mkdir("./bus", 000 [pid 7930] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7931] <... mkdir resumed>) = 0 [pid 7931] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7930] <... futex resumed>) = 0 [pid 7931] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7930] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7931] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7930] <... futex resumed>) = 0 [pid 7930] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7929] <... close resumed>) = 0 [pid 7929] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7929] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7928] <... futex resumed>) = 0 [pid 7928] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7929] <... futex resumed>) = 0 [pid 7929] mkdir("./file1", 000) = 0 [pid 7929] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 189.356975][ T7934] REISERFS (device loop4): checking transaction log (loop4) [ 189.370328][ T7931] overlayfs: upper fs needs to support d_type. [ 189.377388][ T7938] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 189.387839][ T7934] REISERFS (device loop4): Using r5 hash to sort names [ 189.390567][ T7931] overlayfs: upper fs does not support tmpfile. [pid 7929] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7928] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7928] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7928] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7929] <... futex resumed>) = 0 [pid 7930] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7930] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7930] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7930] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7941], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7941 [pid 7930] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7930] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7934] <... mount resumed>) = 0 [pid 7929] mkdir("./bus", 000./strace-static-x86_64: Process 7941 attached [pid 7941] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7941] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7941] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7934] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7929] <... mkdir resumed>) = 0 [pid 7934] <... openat resumed>) = 3 [pid 7934] chdir("./bus" [pid 7929] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7934] <... chdir resumed>) = 0 [pid 7929] <... futex resumed>) = 1 [pid 7928] <... futex resumed>) = 0 [pid 7928] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7928] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7941] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7941] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7930] <... futex resumed>) = 0 [pid 7941] <... futex resumed>) = 1 [ 189.397388][ T7934] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 189.404454][ T7938] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 189.416570][ T7934] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 189.430315][ T7931] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 189.435343][ T7938] REISERFS (device loop3): using ordered data mode [ 189.449499][ T7938] reiserfs: using flush barriers [pid 7941] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7934] ioctl(4, LOOP_CLR_FD) = 0 [pid 7934] close(4) = 0 [pid 7929] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7934] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7933] <... futex resumed>) = 0 [pid 7934] mkdir("./file1", 000 [pid 7933] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7934] <... mkdir resumed>) = 0 [pid 7933] <... futex resumed>) = 0 [pid 7934] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7934] <... futex resumed>) = 0 [pid 7933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7934] mkdir("./bus", 000 [pid 7933] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7934] <... mkdir resumed>) = 0 [pid 7933] <... futex resumed>) = 0 [pid 7934] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7934] <... futex resumed>) = 0 [pid 7933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7934] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7933] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7933] <... futex resumed>) = 0 [ 189.452722][ T7941] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 189.470374][ T7931] overlayfs: failed to resolve './file0': -2 [ 189.476720][ T7938] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 189.478220][ T7929] overlayfs: upper fs needs to support d_type. [ 189.493234][ T7938] REISERFS (device loop3): checking transaction log (loop3) [ 189.506861][ T7934] overlayfs: upper fs needs to support d_type. [pid 7934] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7933] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7928] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7928] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7928] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7928] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7942], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7942 [pid 7928] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7928] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7942 attached [pid 7942] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7942] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7942] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7931] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 189.506887][ T7934] overlayfs: upper fs does not support tmpfile. [ 189.507380][ T7934] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 189.526179][ T7929] overlayfs: upper fs does not support tmpfile. [ 189.533450][ T7938] REISERFS (device loop3): Using r5 hash to sort names [ 189.541027][ T7938] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7931] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7938] <... mount resumed>) = 0 [pid 7933] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7931] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7930] exit_group(0 [pid 7938] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7941] <... futex resumed>) = ? [pid 7938] <... openat resumed>) = 3 [pid 7933] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7931] <... futex resumed>) = ? [pid 7930] <... exit_group resumed>) = ? [pid 7938] chdir("./bus" [pid 7931] +++ exited with 0 +++ [pid 7941] +++ exited with 0 +++ [pid 7938] <... chdir resumed>) = 0 [pid 7933] <... futex resumed>) = 0 [pid 7930] +++ exited with 0 +++ [pid 7933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7930, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7933] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 7933] <... mprotect resumed>) = 0 [pid 4998] <... restart_syscall resumed>) = 0 [pid 7933] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7943], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7943 [pid 4998] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7933] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7933] <... futex resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7933] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7943 attached [pid 7938] ioctl(4, LOOP_CLR_FD [pid 4998] getdents64(3, [pid 7943] set_robust_list(0x7f6a509d49e0, 24 [pid 7938] <... ioctl resumed>) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7938] close(4 [pid 7942] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7942] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7928] <... futex resumed>) = 0 [pid 7942] <... futex resumed>) = 1 [pid 7942] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7943] <... set_robust_list resumed>) = 0 [pid 7943] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7943] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7938] <... close resumed>) = 0 [ 189.544620][ T7942] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 189.567279][ T7938] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 189.580163][ T7934] overlayfs: failed to resolve './file0': -2 [ 189.591000][ T7929] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7938] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7934] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7934] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7934] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7943] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7943] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] <... futex resumed>) = 0 [pid 7933] exit_group(0 [pid 7934] <... futex resumed>) = ? [pid 7933] <... exit_group resumed>) = ? [pid 7934] +++ exited with 0 +++ [pid 7943] <... futex resumed>) = ? [pid 7938] <... futex resumed>) = 1 [pid 7937] <... futex resumed>) = 0 [pid 7938] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7937] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7938] mkdir("./file1", 000 [pid 7937] <... futex resumed>) = 0 [pid 7937] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7938] <... mkdir resumed>) = 0 [pid 7938] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7937] <... futex resumed>) = 0 [pid 7938] mkdir("./bus", 000 [pid 7937] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7938] <... mkdir resumed>) = 0 [pid 7937] <... futex resumed>) = 0 [pid 7943] +++ exited with 0 +++ [pid 7933] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7933, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7938] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7937] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7938] <... futex resumed>) = 0 [pid 7938] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7937] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7937] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7929] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7929] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7929] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7928] exit_group(0 [pid 7942] <... futex resumed>) = ? [pid 7929] <... futex resumed>) = ? [pid 7928] <... exit_group resumed>) = ? [pid 7942] +++ exited with 0 +++ [pid 7929] +++ exited with 0 +++ [pid 7928] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7928, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 189.601104][ T7943] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 189.608825][ T7929] overlayfs: failed to resolve './file0': -2 [ 189.637931][ T7938] overlayfs: upper fs needs to support d_type. [ 189.645235][ T7938] overlayfs: upper fs does not support tmpfile. [pid 4997] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7937] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7937] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7937] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7937] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7944], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7944 [pid 7937] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7937] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7944 attached [pid 7944] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7944] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7944] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] <... umount2 resumed>) = 0 [ 189.686375][ T7938] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 189.715637][ T7938] overlayfs: failed to resolve './file0': -2 [pid 5001] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./151/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./151/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./151/bus") = 0 [pid 5001] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7938] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] lstat("./151/binderfs", [pid 7938] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./151/binderfs" [pid 7938] <... futex resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 7938] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3 [pid 4997] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... close resumed>) = 0 [pid 5001] rmdir("./151" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... rmdir resumed>) = 0 [pid 4997] lstat("./151/bus", [pid 5001] mkdir("./152", 0777 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... mkdir resumed>) = 0 [pid 4997] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] openat(AT_FDCWD, "./151/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] close(3) = 0 [pid 4998] lstat("./152/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./152/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./152/bus") = 0 [pid 4998] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7945 attached [pid 7944] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7945 [pid 4998] unlink("./152/binderfs" [pid 4997] <... openat resumed>) = 4 [pid 7945] set_robust_list(0x5555564f86e0, 24 [pid 4997] fstat(4, [pid 7945] <... set_robust_list resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7945] chdir("./152" [pid 4997] getdents64(4, [pid 7945] <... chdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] getdents64(4, [pid 7945] <... prctl resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7945] setpgid(0, 0 [pid 4997] close(4 [pid 7945] <... setpgid resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 7945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] rmdir("./151/bus" [pid 7945] <... openat resumed>) = 3 [pid 7944] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... unlink resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 7945] write(3, "1000", 4 [pid 4997] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7945] <... write resumed>) = 4 [pid 7944] <... futex resumed>) = 1 [pid 7937] <... futex resumed>) = 0 [pid 4998] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7945] close(3 [pid 7937] exit_group(0 [pid 4997] lstat("./151/binderfs", [pid 7945] <... close resumed>) = 0 [pid 7938] <... futex resumed>) = ? [pid 7937] <... exit_group resumed>) = ? [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7945] symlink("/dev/binderfs", "./binderfs" [pid 7938] +++ exited with 0 +++ [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] unlink("./151/binderfs" [pid 7945] <... symlink resumed>) = 0 [pid 4998] close(3 [pid 7945] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... unlink resumed>) = 0 [pid 7945] <... futex resumed>) = 0 [pid 4997] getdents64(3, [pid 7945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] <... close resumed>) = 0 [pid 7945] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7945] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] rmdir("./152" [pid 4997] close(3 [pid 7945] <... mprotect resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 7945] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] rmdir("./151" [pid 4998] mkdir("./153", 0777./strace-static-x86_64: Process 7946 attached [pid 7945] <... clone resumed>, parent_tid=[7946], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7946 [pid 7944] +++ exited with 0 +++ [pid 7937] +++ exited with 0 +++ [pid 4997] <... rmdir resumed>) = 0 [pid 7946] set_robust_list(0x7f6a589f59e0, 24 [pid 7945] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... mkdir resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7937, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 4997] mkdir("./152", 0777 [pid 7946] <... set_robust_list resumed>) = 0 [pid 7945] <... futex resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7945] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... restart_syscall resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 7946] memfd_create("syzkaller", 0 [pid 4998] <... openat resumed>) = 3 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7946] <... memfd_create resumed>) = 3 [pid 7946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] ioctl(3, LOOP_CLR_FD [pid 4997] <... openat resumed>) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] ioctl(3, LOOP_CLR_FD [pid 7946] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 189.722982][ T7944] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5000] <... openat resumed>) = 3 [pid 4998] close(3 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] fstat(3, [pid 4998] <... close resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] getdents64(3, [pid 4997] close(3 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7947 [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7948 ./strace-static-x86_64: Process 7947 attached [pid 7947] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7947] chdir("./153"./strace-static-x86_64: Process 7948 attached [pid 7948] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7946] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7948] chdir("./152" [pid 7947] <... chdir resumed>) = 0 [pid 7948] <... chdir resumed>) = 0 [pid 7947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7947] setpgid(0, 0) = 0 [pid 7948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7948] <... prctl resumed>) = 0 [pid 7947] <... openat resumed>) = 3 [pid 7948] setpgid(0, 0 [pid 7947] write(3, "1000", 4) = 4 [pid 7947] close(3) = 0 [pid 7947] symlink("/dev/binderfs", "./binderfs" [pid 7948] <... setpgid resumed>) = 0 [pid 7947] <... symlink resumed>) = 0 [pid 7947] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7947] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7948] <... openat resumed>) = 3 [pid 7948] write(3, "1000", 4 [pid 7947] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7948] <... write resumed>) = 4 [pid 7947] <... clone resumed>, parent_tid=[7949], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7949 [pid 7947] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7947] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7948] close(3) = 0 [pid 7948] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7948] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7948] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 7949 attached [pid 7949] set_robust_list(0x7f6a589f59e0, 24 [pid 7948] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7949] <... set_robust_list resumed>) = 0 [pid 7949] memfd_create("syzkaller", 0 [pid 7948] <... clone resumed>, parent_tid=[7950], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7950 [pid 7948] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7948] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7949] <... memfd_create resumed>) = 3 [pid 7949] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7950 attached [pid 7950] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7950] memfd_create("syzkaller", 0) = 3 [pid 7950] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7946] <... write resumed>) = 4194304 [pid 7946] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7946] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7946] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./152/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./152/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./152/bus" [pid 7946] <... ioctl resumed>) = 0 [pid 7946] close(3) = 0 [pid 7946] mkdir("./bus", 0777 [pid 7950] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7949] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7950] <... write resumed>) = 4194304 [pid 7950] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7950] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 189.855375][ T7946] loop4: detected capacity change from 0 to 8192 [pid 7950] ioctl(4, LOOP_SET_FD, 3 [pid 7949] <... write resumed>) = 4194304 [pid 7949] munmap(0x7f6a505d5000, 4194304 [pid 7950] <... ioctl resumed>) = 0 [pid 7950] close(3) = 0 [pid 7950] mkdir("./bus", 0777 [pid 7949] <... munmap resumed>) = 0 [pid 7946] <... mkdir resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 7950] <... mkdir resumed>) = 0 [pid 7949] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7946] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5000] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./152/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./152") = 0 [pid 7949] <... openat resumed>) = 4 [pid 5000] mkdir("./153", 0777 [pid 7950] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7949] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7952 ./strace-static-x86_64: Process 7952 attached [pid 7952] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7952] chdir("./153") = 0 [pid 7952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7952] setpgid(0, 0) = 0 [pid 7952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7952] write(3, "1000", 4) = 4 [pid 7952] close(3) = 0 [pid 7952] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7952] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7952] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7952] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7953], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7953 [pid 7952] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7952] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7953 attached [pid 7953] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7953] memfd_create("syzkaller", 0) = 3 [pid 7953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7949] <... ioctl resumed>) = 0 [pid 7949] close(3) = 0 [pid 7949] mkdir("./bus", 0777) = 0 [ 189.912602][ T7950] loop0: detected capacity change from 0 to 8192 [ 189.926586][ T7946] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 189.944762][ T7949] loop1: detected capacity change from 0 to 8192 [ 189.951745][ T7946] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7953] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 189.963164][ T7950] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 189.978255][ T7946] REISERFS (device loop4): using ordered data mode [ 189.985386][ T7950] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 189.985457][ T7949] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7949] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7953] <... write resumed>) = 4194304 [ 189.996223][ T7950] REISERFS (device loop0): using ordered data mode [ 190.008034][ T7946] reiserfs: using flush barriers [ 190.014412][ T7950] reiserfs: using flush barriers [ 190.022312][ T7946] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 190.024984][ T7949] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 190.041319][ T7946] REISERFS (device loop4): checking transaction log (loop4) [pid 7953] munmap(0x7f6a505d5000, 4194304) = 0 [ 190.049620][ T7950] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 190.073445][ T7949] REISERFS (device loop1): using ordered data mode [ 190.075375][ T7946] REISERFS (device loop4): Using r5 hash to sort names [ 190.087025][ T7949] reiserfs: using flush barriers [ 190.087758][ T7946] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 190.092517][ T7950] REISERFS (device loop0): checking transaction log (loop0) [pid 7953] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7953] ioctl(4, LOOP_SET_FD, 3 [pid 7946] <... mount resumed>) = 0 [pid 7946] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7946] chdir("./bus") = 0 [pid 7946] ioctl(4, LOOP_CLR_FD) = 0 [pid 7946] close(4) = 0 [pid 7946] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7945] <... futex resumed>) = 0 [pid 7946] mkdir("./file1", 000 [pid 7945] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7946] <... mkdir resumed>) = 0 [pid 7945] <... futex resumed>) = 0 [pid 7946] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7945] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7946] <... futex resumed>) = 0 [pid 7945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7946] mkdir("./bus", 000 [pid 7945] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7946] <... mkdir resumed>) = 0 [pid 7945] <... futex resumed>) = 0 [pid 7946] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7945] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7946] <... futex resumed>) = 0 [pid 7945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7946] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7945] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 190.104986][ T7946] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 190.113376][ T7953] loop3: detected capacity change from 0 to 8192 [ 190.127488][ T7949] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 190.134597][ T7946] overlayfs: upper fs needs to support d_type. [ 190.151089][ T7950] REISERFS (device loop0): Using r5 hash to sort names [pid 7945] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7953] <... ioctl resumed>) = 0 [pid 7953] close(3) = 0 [pid 7945] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7945] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7945] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7945] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7956], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7956 [pid 7945] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7945] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7956 attached [pid 7956] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7956] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7956] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 190.158325][ T7946] overlayfs: upper fs does not support tmpfile. [ 190.164990][ T7946] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 190.167664][ T7949] REISERFS (device loop1): checking transaction log (loop1) [ 190.172743][ T7950] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 190.188313][ T7956] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7953] mkdir("./bus", 0777) = 0 [pid 7953] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7950] <... mount resumed>) = 0 [pid 7956] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 190.206746][ T7950] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 190.217759][ T7949] REISERFS (device loop1): Using r5 hash to sort names [ 190.219213][ T7946] overlayfs: failed to resolve './file0': -2 [ 190.225434][ T7949] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 190.231214][ T7953] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7956] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7950] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7949] <... mount resumed>) = 0 [pid 7949] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7949] chdir("./bus") = 0 [pid 7949] ioctl(4, LOOP_CLR_FD) = 0 [pid 7949] close(4 [pid 7956] <... futex resumed>) = 1 [pid 7950] <... openat resumed>) = 3 [pid 7946] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7945] <... futex resumed>) = 0 [pid 7956] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7950] chdir("./bus") = 0 [pid 7950] ioctl(4, LOOP_CLR_FD [pid 7946] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7950] <... ioctl resumed>) = 0 [pid 7946] <... futex resumed>) = 0 [pid 7950] close(4) = 0 [pid 7946] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7950] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7950] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7948] <... futex resumed>) = 0 [pid 7948] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7945] exit_group(0 [pid 7956] <... futex resumed>) = ? [pid 7950] <... futex resumed>) = 0 [pid 7948] <... futex resumed>) = 1 [pid 7946] <... futex resumed>) = ? [pid 7945] <... exit_group resumed>) = ? [pid 7956] +++ exited with 0 +++ [pid 7950] mkdir("./file1", 000 [pid 7948] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7946] +++ exited with 0 +++ [pid 7945] +++ exited with 0 +++ [pid 7950] <... mkdir resumed>) = 0 [pid 7949] <... close resumed>) = 0 [pid 7950] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7949] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7948] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7945, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7950] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7949] <... futex resumed>) = 1 [pid 7948] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7947] <... futex resumed>) = 0 [pid 5001] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7949] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7948] <... futex resumed>) = 0 [pid 7947] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7950] mkdir("./bus", 000 [pid 7949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 190.244635][ T7949] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 190.265373][ T7953] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 190.265467][ T7953] REISERFS (device loop3): using ordered data mode [ 190.281601][ T7953] reiserfs: using flush barriers [pid 7948] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7947] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7950] <... mkdir resumed>) = 0 [pid 7949] mkdir("./file1", 000 [pid 7947] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7950] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7949] <... mkdir resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 7950] <... futex resumed>) = 1 [pid 7949] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7948] <... futex resumed>) = 0 [pid 5001] fstat(3, [pid 7950] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7949] <... futex resumed>) = 1 [pid 7948] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7947] <... futex resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7949] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7948] <... futex resumed>) = 0 [pid 7947] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] getdents64(3, [pid 7950] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7948] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7947] <... futex resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7949] mkdir("./bus", 000 [pid 7947] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7949] <... mkdir resumed>) = 0 [pid 7949] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7947] <... futex resumed>) = 0 [pid 7949] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7947] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7947] <... futex resumed>) = 0 [pid 7949] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 190.305583][ T7953] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 190.322724][ T7953] REISERFS (device loop3): checking transaction log (loop3) [ 190.333354][ T7953] REISERFS (device loop3): Using r5 hash to sort names [ 190.343514][ T7953] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7947] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7953] <... mount resumed>) = 0 [pid 7953] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7947] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7948] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7947] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7948] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7947] <... futex resumed>) = 0 [pid 7948] <... futex resumed>) = 0 [pid 7947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7947] <... mmap resumed>) = 0x7f6a509b4000 [pid 7953] <... openat resumed>) = 3 [pid 7948] <... mmap resumed>) = 0x7f6a509b4000 [pid 7947] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7948] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7947] <... mprotect resumed>) = 0 [pid 7948] <... mprotect resumed>) = 0 [pid 7947] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7948] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7953] chdir("./bus" [pid 7947] <... clone resumed>, parent_tid=[7958], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7958 [pid 7948] <... clone resumed>, parent_tid=[7959], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7959 [pid 7947] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7948] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7947] <... futex resumed>) = 0 [pid 7948] <... futex resumed>) = 0 [pid 7947] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7948] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7959 attached [pid 7953] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 7958 attached [pid 7959] set_robust_list(0x7f6a509d49e0, 24 [pid 7953] ioctl(4, LOOP_CLR_FD [pid 7950] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 190.351312][ T7950] overlayfs: upper fs needs to support d_type. [ 190.356318][ T7953] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 190.363761][ T7949] overlayfs: upper fs needs to support d_type. [ 190.372251][ T7950] overlayfs: upper fs does not support tmpfile. [ 190.384592][ T7950] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 190.386351][ T7949] overlayfs: upper fs does not support tmpfile. [ 190.393684][ T7950] overlayfs: failed to resolve './file0': -2 [pid 7959] <... set_robust_list resumed>) = 0 [pid 7958] set_robust_list(0x7f6a509d49e0, 24 [pid 7953] <... ioctl resumed>) = 0 [pid 7950] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7959] mkdir(".", 0777 [pid 7958] <... set_robust_list resumed>) = 0 [pid 7959] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7958] mkdir(".", 0777 [pid 7953] close(4 [pid 7950] <... futex resumed>) = 0 [pid 7959] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7958] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7950] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7953] <... close resumed>) = 0 [pid 7958] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 190.418209][ T7949] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 190.426481][ T7949] overlayfs: failed to resolve './file0': -2 [ 190.446972][ T7958] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7953] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7958] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7958] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7947] <... futex resumed>) = 0 [pid 7953] <... futex resumed>) = 1 [pid 7952] <... futex resumed>) = 0 [pid 7953] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7952] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7949] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7952] <... futex resumed>) = 0 [pid 7949] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7953] mkdir("./file1", 000 [pid 7952] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7949] <... futex resumed>) = 0 [pid 7953] <... mkdir resumed>) = 0 [pid 7947] exit_group(0 [pid 7949] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7953] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7952] <... futex resumed>) = 0 [pid 7949] <... futex resumed>) = ? [pid 7947] <... exit_group resumed>) = ? [pid 7953] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7952] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7949] +++ exited with 0 +++ [pid 7952] <... futex resumed>) = 0 [pid 7953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7952] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7953] mkdir("./bus", 000) = 0 [pid 7953] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7952] <... futex resumed>) = 0 [pid 7959] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7958] <... futex resumed>) = ? [pid 7953] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7952] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = 0 [pid 7959] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7952] <... futex resumed>) = 0 [pid 5001] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7959] <... futex resumed>) = 1 [pid 7953] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7952] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7948] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7958] +++ exited with 0 +++ [pid 7948] exit_group(0 [pid 7947] +++ exited with 0 +++ [pid 7959] ???( [pid 5001] lstat("./152/bus", [pid 7948] <... exit_group resumed>) = ? [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7947, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7950] <... futex resumed>) = ? [pid 4998] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7959] <... ??? resumed>) = ? [pid 7950] +++ exited with 0 +++ [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7959] +++ exited with 0 +++ [pid 7948] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7948, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 4997] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./152/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./152/bus" [pid 7952] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] <... rmdir resumed>) = 0 [pid 7952] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7952] <... futex resumed>) = 0 [pid 7952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7952] <... mmap resumed>) = 0x7f6a509b4000 [pid 7952] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5001] lstat("./152/binderfs", [pid 7952] <... mprotect resumed>) = 0 [pid 7952] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7952] <... clone resumed>, parent_tid=[7960], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7960 [pid 7952] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] unlink("./152/binderfs" [pid 7952] <... futex resumed>) = 0 [pid 7952] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... unlink resumed>) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [ 190.463277][ T7959] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 190.485073][ T7953] overlayfs: upper fs needs to support d_type. [ 190.492217][ T7953] overlayfs: upper fs does not support tmpfile. [ 190.499442][ T7953] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 190.507470][ T7953] overlayfs: failed to resolve './file0': -2 [pid 5001] rmdir("./152"./strace-static-x86_64: Process 7960 attached [pid 7960] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./153", 0777 [pid 7960] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5001] <... mkdir resumed>) = 0 [pid 7953] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7953] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5001] <... openat resumed>) = 3 [pid 7953] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] ioctl(3, LOOP_CLR_FD [pid 7960] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7961 attached [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7961 [pid 4998] lstat("./153/bus", [pid 4997] lstat("./152/bus", [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7961] set_robust_list(0x5555564f86e0, 24 [pid 4998] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7961] <... set_robust_list resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7961] chdir("./153" [pid 4998] openat(AT_FDCWD, "./153/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] openat(AT_FDCWD, "./152/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7961] <... chdir resumed>) = 0 [pid 4998] <... openat resumed>) = 4 [pid 4997] <... openat resumed>) = 4 [pid 7961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] fstat(4, [pid 4997] fstat(4, [pid 7961] <... prctl resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7961] setpgid(0, 0 [pid 4998] getdents64(4, [pid 4997] getdents64(4, [pid 7961] <... setpgid resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] getdents64(4, [pid 4997] getdents64(4, [pid 7961] <... openat resumed>) = 3 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7961] write(3, "1000", 4 [pid 4998] close(4 [pid 4997] close(4 [pid 7961] <... write resumed>) = 4 [pid 4998] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 7961] close(3 [pid 4998] rmdir("./153/bus" [pid 4997] rmdir("./152/bus" [pid 7961] <... close resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 7961] symlink("/dev/binderfs", "./binderfs" [pid 4998] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7961] <... symlink resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7961] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] lstat("./153/binderfs", [pid 4997] lstat("./152/binderfs", [pid 7961] <... futex resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] unlink("./153/binderfs" [pid 4997] unlink("./152/binderfs" [pid 7961] <... mmap resumed>) = 0x7f6a589d5000 [pid 4998] <... unlink resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 7961] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] getdents64(3, [pid 4997] getdents64(3, [pid 7961] <... mprotect resumed>) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7961] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] close(3 [pid 4997] close(3 [pid 4998] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 7961] <... clone resumed>, parent_tid=[7962], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7962 [pid 4998] rmdir("./153" [pid 4997] rmdir("./152" [pid 7961] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 7961] <... futex resumed>) = 0 [pid 4998] mkdir("./154", 0777 [pid 4997] mkdir("./153", 0777 [pid 7961] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4998] <... openat resumed>) = 3 [pid 4997] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 4997] ioctl(3, LOOP_CLR_FD [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] close(3 [pid 4997] close(3 [pid 4998] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7963 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7964 ./strace-static-x86_64: Process 7963 attached [pid 7963] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7963] chdir("./154") = 0 [pid 7963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7963] setpgid(0, 0) = 0 [pid 7963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7963] write(3, "1000", 4) = 4 [pid 7963] close(3) = 0 [pid 7963] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7963] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7963] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7963] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7965], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7965 [pid 7963] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7963] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7965 attached [pid 7965] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7965] memfd_create("syzkaller", 0) = 3 [pid 7965] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 7964 attached ./strace-static-x86_64: Process 7962 attached [pid 7964] set_robust_list(0x5555564f86e0, 24 [pid 7962] set_robust_list(0x7f6a589f59e0, 24 [pid 7964] <... set_robust_list resumed>) = 0 [pid 7962] <... set_robust_list resumed>) = 0 [pid 7964] chdir("./153" [pid 7962] memfd_create("syzkaller", 0 [pid 7964] <... chdir resumed>) = 0 [pid 7964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7962] <... memfd_create resumed>) = 3 [pid 7960] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7964] <... prctl resumed>) = 0 [pid 7962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7964] setpgid(0, 0 [pid 7962] <... mmap resumed>) = 0x7f6a505d5000 [pid 7964] <... setpgid resumed>) = 0 [pid 7964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7964] write(3, "1000", 4) = 4 [pid 7964] close(3) = 0 [pid 7964] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7964] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7964] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7964] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7966], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7966 [pid 7964] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7964] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7960] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7952] <... futex resumed>) = 0 [pid 7952] exit_group(0 [pid 7953] <... futex resumed>) = ? [pid 7952] <... exit_group resumed>) = ? [pid 7953] +++ exited with 0 +++ ./strace-static-x86_64: Process 7966 attached [pid 7966] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7960] <... futex resumed>) = ? [pid 7966] memfd_create("syzkaller", 0 [pid 7965] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7960] +++ exited with 0 +++ [pid 7952] +++ exited with 0 +++ [pid 7966] <... memfd_create resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7952, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [ 190.569545][ T7960] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7966] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7966] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7965] <... write resumed>) = 4194304 [pid 7965] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7965] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7965] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./153/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./153/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7965] <... ioctl resumed>) = 0 [pid 7965] close(3) = 0 [pid 7965] mkdir("./bus", 0777 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, [pid 7965] <... mkdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7965] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./153/bus") = 0 [pid 5000] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./153/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./153") = 0 [pid 7962] <... write resumed>) = 4194304 [pid 5000] mkdir("./154", 0777) = 0 [pid 7962] munmap(0x7f6a505d5000, 4194304 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 7966] <... write resumed>) = 4194304 [pid 7962] <... munmap resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 7966] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7962] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 190.697027][ T7965] loop1: detected capacity change from 0 to 8192 [ 190.719490][ T7965] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7962] <... openat resumed>) = 4 [pid 7962] ioctl(4, LOOP_SET_FD, 3 [pid 7966] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7966] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7968 attached ) = 0 [pid 7968] set_robust_list(0x5555564f86e0, 24 [pid 7966] close(3 [pid 7968] <... set_robust_list resumed>) = 0 [pid 7966] <... close resumed>) = 0 [pid 7968] chdir("./154" [pid 7966] mkdir("./bus", 0777 [pid 7968] <... chdir resumed>) = 0 [pid 7966] <... mkdir resumed>) = 0 [pid 7968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7966] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7968] <... prctl resumed>) = 0 [pid 7968] setpgid(0, 0) = 0 [pid 7968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7968] write(3, "1000", 4) = 4 [pid 7968] close(3) = 0 [pid 7968] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7968] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7968] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7968 [pid 7968] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7970], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7970 [pid 7968] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7968] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7962] <... ioctl resumed>) = 0 [pid 7962] close(3) = 0 [pid 7962] mkdir("./bus", 0777) = 0 [pid 7962] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7970 attached [pid 7970] set_robust_list(0x7f6a589f59e0, 24) = 0 [ 190.743268][ T7965] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 190.744142][ T7962] loop4: detected capacity change from 0 to 8192 [ 190.753062][ T7965] REISERFS (device loop1): using ordered data mode [ 190.760289][ T7966] loop0: detected capacity change from 0 to 8192 [ 190.765850][ T7965] reiserfs: using flush barriers [ 190.779639][ T7965] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7970] memfd_create("syzkaller", 0) = 3 [pid 7970] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 190.783144][ T7966] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 190.796652][ T7965] REISERFS (device loop1): checking transaction log (loop1) [ 190.808930][ T7966] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 190.826987][ T7965] REISERFS (device loop1): Using r5 hash to sort names [ 190.834351][ T7962] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 190.847955][ T7965] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 190.857887][ T7962] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 190.860932][ T7965] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 190.870370][ T7962] REISERFS (device loop4): using ordered data mode [ 190.879558][ T7966] REISERFS (device loop0): using ordered data mode [ 190.885920][ T7962] reiserfs: using flush barriers [pid 7970] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7965] <... mount resumed>) = 0 [pid 7965] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7965] chdir("./bus") = 0 [pid 7965] ioctl(4, LOOP_CLR_FD) = 0 [pid 7965] close(4 [pid 7970] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7970] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7970] ioctl(4, LOOP_SET_FD, 3 [pid 7965] <... close resumed>) = 0 [pid 7965] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7965] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7963] <... futex resumed>) = 0 [pid 7963] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7963] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7965] <... futex resumed>) = 0 [pid 7965] mkdir("./file1", 000) = 0 [pid 7965] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7965] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7970] <... ioctl resumed>) = 0 [pid 7970] close(3) = 0 [pid 7970] mkdir("./bus", 0777) = 0 [ 190.898712][ T7962] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 190.904268][ T7966] reiserfs: using flush barriers [ 190.924534][ T7970] loop3: detected capacity change from 0 to 8192 [ 190.930877][ T7962] REISERFS (device loop4): checking transaction log (loop4) [pid 7970] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7963] <... futex resumed>) = 0 [pid 7963] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7965] <... futex resumed>) = 0 [pid 7963] <... futex resumed>) = 1 [pid 7965] mkdir("./bus", 000) = 0 [pid 7965] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7963] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7965] <... futex resumed>) = 0 [ 190.940304][ T7966] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 190.957858][ T7966] REISERFS (device loop0): checking transaction log (loop0) [ 190.958341][ T7970] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 190.980865][ T7962] REISERFS (device loop4): Using r5 hash to sort names [ 190.987870][ T7970] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7965] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7963] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7963] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7965] <... futex resumed>) = 0 [pid 7965] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7963] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7963] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7963] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7963] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7963] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7973], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7973 [pid 7963] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7963] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7973 attached [pid 7973] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7973] mkdir(".", 0777) = -1 EEXIST (File exists) [ 190.989677][ T7966] REISERFS (device loop0): Using r5 hash to sort names [ 190.997476][ T7970] REISERFS (device loop3): using ordered data mode [ 191.012085][ T7965] overlayfs: upper fs needs to support d_type. [ 191.018414][ T7965] overlayfs: upper fs does not support tmpfile. [ 191.019985][ T7962] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 191.025022][ T7965] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7973] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7973] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7963] <... futex resumed>) = 0 [pid 7973] <... futex resumed>) = 1 [ 191.045872][ T7965] overlayfs: failed to resolve './file0': -2 [ 191.051192][ T7973] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 191.052362][ T7966] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 191.069361][ T7970] reiserfs: using flush barriers [ 191.079689][ T7962] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7973] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7965] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7962] <... mount resumed>) = 0 [pid 7966] <... mount resumed>) = 0 [pid 7965] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7966] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7965] <... futex resumed>) = 0 [pid 7963] exit_group(0 [pid 7962] <... openat resumed>) = 3 [pid 7966] <... openat resumed>) = 3 [pid 7963] <... exit_group resumed>) = ? [pid 7966] chdir("./bus" [pid 7962] chdir("./bus" [pid 7965] +++ exited with 0 +++ [pid 7973] <... futex resumed>) = ? [pid 7966] <... chdir resumed>) = 0 [pid 7962] <... chdir resumed>) = 0 [pid 7973] +++ exited with 0 +++ [pid 7966] ioctl(4, LOOP_CLR_FD [pid 7963] +++ exited with 0 +++ [pid 7962] ioctl(4, LOOP_CLR_FD [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7963, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7966] <... ioctl resumed>) = 0 [pid 7966] close(4) = 0 [pid 7962] <... ioctl resumed>) = 0 [pid 7966] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7966] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7964] <... futex resumed>) = 0 [ 191.091343][ T7970] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 191.093808][ T7966] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 191.110958][ T7970] REISERFS (device loop3): checking transaction log (loop3) [ 191.128105][ T7970] REISERFS (device loop3): Using r5 hash to sort names [ 191.135281][ T7970] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7962] close(4 [pid 7970] <... mount resumed>) = 0 [pid 7964] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] <... close resumed>) = 0 [pid 7970] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7966] <... futex resumed>) = 0 [pid 7964] <... futex resumed>) = 1 [pid 7962] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7970] <... openat resumed>) = 3 [pid 7966] mkdir("./file1", 000 [pid 7964] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7962] <... futex resumed>) = 1 [pid 7961] <... futex resumed>) = 0 [pid 7970] chdir("./bus" [pid 7966] <... mkdir resumed>) = 0 [pid 7962] mkdir("./file1", 000 [pid 7961] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7970] <... chdir resumed>) = 0 [pid 7966] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7961] <... futex resumed>) = 0 [pid 7970] ioctl(4, LOOP_CLR_FD [pid 7966] <... futex resumed>) = 1 [pid 7964] <... futex resumed>) = 0 [pid 7962] <... mkdir resumed>) = 0 [pid 7961] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7970] <... ioctl resumed>) = 0 [pid 7966] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7964] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7970] close(4 [pid 7966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7964] <... futex resumed>) = 0 [pid 7962] <... futex resumed>) = 0 [pid 7961] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7970] <... close resumed>) = 0 [pid 7966] mkdir("./bus", 000 [pid 7964] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7962] mkdir("./bus", 000 [pid 7961] <... futex resumed>) = 0 [pid 7970] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7966] <... mkdir resumed>) = 0 [pid 7961] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7970] <... futex resumed>) = 1 [pid 7968] <... futex resumed>) = 0 [pid 7966] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] <... mkdir resumed>) = 0 [pid 7970] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7968] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7966] <... futex resumed>) = 1 [pid 7964] <... futex resumed>) = 0 [pid 7962] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7968] <... futex resumed>) = 0 [pid 7966] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7964] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] <... futex resumed>) = 1 [pid 7961] <... futex resumed>) = 0 [pid 7970] mkdir("./file1", 000 [pid 7968] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7964] <... futex resumed>) = 0 [pid 7962] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7961] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7970] <... mkdir resumed>) = 0 [ 191.148449][ T7970] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 191.180166][ T7966] overlayfs: upper fs needs to support d_type. [pid 7966] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7964] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7961] <... futex resumed>) = 0 [pid 7970] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7961] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = 0 [pid 7970] <... futex resumed>) = 1 [pid 7968] <... futex resumed>) = 0 [pid 4998] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7968] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7968] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7970] mkdir("./bus", 000 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7970] <... mkdir resumed>) = 0 [pid 4998] lstat("./154/bus", [pid 7970] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7970] <... futex resumed>) = 1 [pid 4998] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7970] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./154/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./154/bus") = 0 [pid 4998] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./154/binderfs" [pid 7968] <... futex resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7968] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] close(3 [pid 7970] <... futex resumed>) = 0 [pid 7968] <... futex resumed>) = 1 [ 191.195971][ T7966] overlayfs: upper fs does not support tmpfile. [ 191.207327][ T7966] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 191.215774][ T7962] overlayfs: upper fs needs to support d_type. [ 191.215994][ T7966] overlayfs: failed to resolve './file0': -2 [ 191.223727][ T7962] overlayfs: upper fs does not support tmpfile. [ 191.235533][ T7962] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 191.244821][ T7970] overlayfs: upper fs needs to support d_type. [pid 7970] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 4998] <... close resumed>) = 0 [pid 7968] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] rmdir("./154") = 0 [pid 4998] mkdir("./155", 0777 [pid 7964] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] <... mkdir resumed>) = 0 [pid 7964] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7964] <... futex resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 7964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7966] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7964] <... mmap resumed>) = 0x7f6a509b4000 [pid 7961] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] ioctl(3, LOOP_CLR_FD [pid 7966] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7961] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7964] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7966] <... futex resumed>) = 0 [pid 7961] <... futex resumed>) = 0 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7966] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7964] <... mprotect resumed>) = 0 [pid 7961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] close(3 [pid 7964] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7961] <... mmap resumed>) = 0x7f6a509b4000 [pid 4998] <... close resumed>) = 0 [pid 7961] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7961] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7964] <... clone resumed>, parent_tid=[7975], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7975 [pid 7961] <... clone resumed>, parent_tid=[7974], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7974 [pid 7964] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7961] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7964] <... futex resumed>) = 0 [pid 7961] <... futex resumed>) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7976 [pid 7964] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7961] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7976 attached ./strace-static-x86_64: Process 7975 attached ./strace-static-x86_64: Process 7974 attached [pid 7976] set_robust_list(0x5555564f86e0, 24 [pid 7975] set_robust_list(0x7f6a509d49e0, 24 [pid 7974] set_robust_list(0x7f6a509d49e0, 24 [pid 7976] <... set_robust_list resumed>) = 0 [pid 7975] <... set_robust_list resumed>) = 0 [pid 7974] <... set_robust_list resumed>) = 0 [pid 7976] chdir("./155" [pid 7975] mkdir(".", 0777 [pid 7974] mkdir(".", 0777 [pid 7976] <... chdir resumed>) = 0 [pid 7975] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7974] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7975] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7974] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7976] <... prctl resumed>) = 0 [pid 7976] setpgid(0, 0) = 0 [pid 7976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7976] write(3, "1000", 4) = 4 [pid 7976] close(3) = 0 [pid 7976] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7976] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7976] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7976] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7977], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7977 [pid 7976] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7976] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7977 attached [ 191.245285][ T7962] overlayfs: failed to resolve './file0': -2 [ 191.254218][ T7970] overlayfs: upper fs does not support tmpfile. [ 191.264746][ T7970] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 191.273218][ T7970] overlayfs: failed to resolve './file0': -2 [pid 7977] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7977] memfd_create("syzkaller", 0) = 3 [pid 7977] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7975] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7975] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7964] <... futex resumed>) = 0 [pid 7964] exit_group(0 [pid 7966] <... futex resumed>) = ? [pid 7964] <... exit_group resumed>) = ? [pid 7968] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7966] +++ exited with 0 +++ [pid 7968] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7974] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7970] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7968] <... mmap resumed>) = 0x7f6a509b4000 [pid 7962] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7974] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7968] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 7970] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7968] <... mprotect resumed>) = 0 [pid 7962] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7974] <... futex resumed>) = 1 [pid 7968] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7961] <... futex resumed>) = 0 [pid 7974] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7970] <... futex resumed>) = 0 [pid 7962] <... futex resumed>) = 0 [pid 7961] exit_group(0 [pid 7968] <... clone resumed>, parent_tid=[7978], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7978 [pid 7961] <... exit_group resumed>) = ? [pid 7974] <... futex resumed>) = ? [pid 7968] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7974] +++ exited with 0 +++ [pid 7970] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7968] <... futex resumed>) = 0 [pid 7968] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7962] +++ exited with 0 +++ [pid 7961] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7961, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 7975] <... futex resumed>) = ? [pid 5001] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7975] +++ exited with 0 +++ [pid 7964] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7964, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7978 attached [pid 7978] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 4997] <... restart_syscall resumed>) = 0 [pid 7978] mkdir(".", 0777 [pid 4997] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7978] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4997] <... openat resumed>) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7978] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 191.302619][ T7975] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 191.303111][ T7974] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7977] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7978] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./153/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./153/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4 [pid 7978] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7968] <... futex resumed>) = 0 [pid 7978] <... futex resumed>) = 1 [pid 7978] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7968] exit_group(0) = ? [pid 7978] <... futex resumed>) = ? [pid 7970] <... futex resumed>) = ? [pid 7970] +++ exited with 0 +++ [pid 7978] +++ exited with 0 +++ [pid 7968] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7968, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./153/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./153/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [ 191.356660][ T7978] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./153/bus") = 0 [pid 5001] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./153/binderfs" [pid 7977] <... write resumed>) = 4194304 [pid 7977] munmap(0x7f6a505d5000, 4194304 [pid 5001] <... unlink resumed>) = 0 [pid 5001] getdents64(3, [pid 4997] <... close resumed>) = 0 [pid 7977] <... munmap resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] rmdir("./153/bus" [pid 7977] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] close(3 [pid 7977] <... openat resumed>) = 4 [pid 5001] <... close resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 7977] ioctl(4, LOOP_SET_FD, 3 [pid 5001] rmdir("./153" [pid 4997] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7977] <... ioctl resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] mkdir("./154", 0777 [pid 4997] lstat("./153/binderfs", [pid 5001] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4997] unlink("./153/binderfs" [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4997] <... unlink resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] getdents64(3, [pid 5001] close(3 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] <... close resumed>) = 0 [pid 4997] close(3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./153" [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7979 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./154", 0777 [pid 7977] close(3./strace-static-x86_64: Process 7979 attached ) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 7979] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7977] mkdir("./bus", 0777 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7979] chdir("./154" [pid 7977] <... mkdir resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 7979] <... chdir resumed>) = 0 [pid 7977] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4997] ioctl(3, LOOP_CLR_FD [pid 7979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7979] setpgid(0, 0 [pid 4997] close(3 [pid 7979] <... setpgid resumed>) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 7979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7979] <... openat resumed>) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7979] write(3, "1000", 4 [pid 5000] lstat("./154/bus", [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7981 [pid 7979] <... write resumed>) = 4 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7979] close(3 [pid 5000] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7979] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7979] symlink("/dev/binderfs", "./binderfs" [pid 5000] openat(AT_FDCWD, "./154/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7979] <... symlink resumed>) = 0 [pid 5000] <... openat resumed>) = 4 [pid 7979] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] fstat(4, [pid 7979] <... futex resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] getdents64(4, [pid 7979] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7979] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] getdents64(4, [pid 7979] <... mprotect resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7979] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] close(4) = 0 [pid 7979] <... clone resumed>, parent_tid=[7982], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7982 [ 191.427817][ T7977] loop1: detected capacity change from 0 to 8192 [ 191.453210][ T7977] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5000] rmdir("./154/bus"./strace-static-x86_64: Process 7982 attached ./strace-static-x86_64: Process 7981 attached [pid 7979] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... rmdir resumed>) = 0 [pid 7979] <... futex resumed>) = 0 [pid 5000] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7979] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./154/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./154") = 0 [pid 5000] mkdir("./155", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 7983 ./strace-static-x86_64: Process 7983 attached [pid 7982] set_robust_list(0x7f6a589f59e0, 24 [pid 7981] set_robust_list(0x5555564f86e0, 24 [pid 7983] set_robust_list(0x5555564f86e0, 24 [pid 7982] <... set_robust_list resumed>) = 0 [pid 7981] <... set_robust_list resumed>) = 0 [pid 7983] <... set_robust_list resumed>) = 0 [pid 7982] memfd_create("syzkaller", 0 [pid 7981] chdir("./154" [pid 7983] chdir("./155" [pid 7982] <... memfd_create resumed>) = 3 [pid 7981] <... chdir resumed>) = 0 [pid 7983] <... chdir resumed>) = 0 [pid 7982] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7982] <... mmap resumed>) = 0x7f6a505d5000 [pid 7983] <... prctl resumed>) = 0 [pid 7981] <... prctl resumed>) = 0 [pid 7983] setpgid(0, 0 [pid 7981] setpgid(0, 0 [pid 7983] <... setpgid resumed>) = 0 [pid 7981] <... setpgid resumed>) = 0 [pid 7983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7983] <... openat resumed>) = 3 [pid 7983] write(3, "1000", 4 [pid 7981] write(3, "1000", 4 [pid 7983] <... write resumed>) = 4 [pid 7981] <... write resumed>) = 4 [pid 7983] close(3 [pid 7981] close(3 [pid 7983] <... close resumed>) = 0 [pid 7981] <... close resumed>) = 0 [pid 7982] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7983] symlink("/dev/binderfs", "./binderfs" [pid 7981] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7983] <... symlink resumed>) = 0 [pid 7981] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7983] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7981] <... futex resumed>) = 0 [pid 7983] <... futex resumed>) = 0 [pid 7981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 7981] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7983] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 7981] <... mprotect resumed>) = 0 [pid 7983] <... mprotect resumed>) = 0 [pid 7981] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 191.473346][ T7977] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 191.483676][ T7977] REISERFS (device loop1): using ordered data mode [ 191.491935][ T7977] reiserfs: using flush barriers [ 191.499749][ T7977] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7983] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7981] <... clone resumed>, parent_tid=[7984], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7984 [pid 7983] <... clone resumed>, parent_tid=[7985], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7985 [pid 7981] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7985 attached [pid 7983] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7981] <... futex resumed>) = 0 [pid 7983] <... futex resumed>) = 0 [pid 7985] set_robust_list(0x7f6a589f59e0, 24 [pid 7981] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7984 attached [pid 7983] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7985] <... set_robust_list resumed>) = 0 [pid 7984] set_robust_list(0x7f6a589f59e0, 24 [pid 7985] memfd_create("syzkaller", 0 [pid 7984] <... set_robust_list resumed>) = 0 [pid 7985] <... memfd_create resumed>) = 3 [pid 7984] memfd_create("syzkaller", 0 [pid 7985] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7984] <... memfd_create resumed>) = 3 [pid 7985] <... mmap resumed>) = 0x7f6a505d5000 [pid 7984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 191.525067][ T7977] REISERFS (device loop1): checking transaction log (loop1) [pid 7985] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7985] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7985] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7985] ioctl(4, LOOP_SET_FD, 3 [pid 7982] <... write resumed>) = 4194304 [pid 7982] munmap(0x7f6a505d5000, 4194304 [pid 7985] <... ioctl resumed>) = 0 [pid 7985] close(3) = 0 [pid 7985] mkdir("./bus", 0777) = 0 [pid 7985] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7982] <... munmap resumed>) = 0 [pid 7982] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 191.556375][ T7977] REISERFS (device loop1): Using r5 hash to sort names [ 191.585009][ T7977] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 191.598036][ T7985] loop3: detected capacity change from 0 to 8192 [pid 7982] ioctl(4, LOOP_SET_FD, 3 [pid 7977] <... mount resumed>) = 0 [pid 7977] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7977] chdir("./bus") = 0 [pid 7977] ioctl(4, LOOP_CLR_FD) = 0 [pid 7977] close(4) = 0 [pid 7977] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7976] <... futex resumed>) = 0 [pid 7976] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7976] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7977] <... futex resumed>) = 1 [pid 7977] mkdir("./file1", 000) = 0 [pid 7977] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7976] <... futex resumed>) = 0 [pid 7976] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7976] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7977] <... futex resumed>) = 1 [pid 7977] mkdir("./bus", 000) = 0 [pid 7977] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7976] <... futex resumed>) = 0 [pid 7976] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7976] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7977] <... futex resumed>) = 1 [pid 7977] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7984] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7984] munmap(0x7f6a505d5000, 4194304) = 0 [pid 7984] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 191.608051][ T7977] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 191.608374][ T7982] loop4: detected capacity change from 0 to 8192 [ 191.627819][ T7977] overlayfs: upper fs needs to support d_type. [ 191.634039][ T7977] overlayfs: upper fs does not support tmpfile. [ 191.640735][ T7985] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7984] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7984] close(3) = 0 [pid 7984] mkdir("./bus", 0777) = 0 [pid 7984] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7982] <... ioctl resumed>) = 0 [pid 7982] close(3) = 0 [pid 7982] mkdir("./bus", 0777) = 0 [pid 7982] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7976] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7976] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7976] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7976] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7989], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7989 [pid 7976] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7976] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7989 attached [pid 7989] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 7989] mkdir(".", 0777) = -1 EEXIST (File exists) [ 191.650106][ T7984] loop0: detected capacity change from 0 to 8192 [ 191.658457][ T7977] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 191.666446][ T7985] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 191.679352][ T7985] REISERFS (device loop3): using ordered data mode [ 191.686458][ T7985] reiserfs: using flush barriers [ 191.689365][ T7977] overlayfs: failed to resolve './file0': -2 [ 191.696319][ T7982] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 191.697988][ T7984] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 191.710558][ T7982] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 191.726420][ T7989] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 191.732938][ T7982] REISERFS (device loop4): using ordered data mode [pid 7989] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [ 191.747623][ T7985] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 191.754025][ T7982] reiserfs: using flush barriers [ 191.770402][ T7985] REISERFS (device loop3): checking transaction log (loop3) [ 191.776475][ T7984] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 191.783292][ T7985] REISERFS (device loop3): Using r5 hash to sort names [pid 7989] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7976] <... futex resumed>) = 0 [pid 7989] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7977] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7977] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7977] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7985] <... mount resumed>) = 0 [pid 7976] exit_group(0 [pid 7977] <... futex resumed>) = ? [pid 7976] <... exit_group resumed>) = ? [pid 7977] +++ exited with 0 +++ [pid 7985] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7985] chdir("./bus") = 0 [pid 7985] ioctl(4, LOOP_CLR_FD) = 0 [pid 7985] close(4) = 0 [pid 7985] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7985] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7989] <... futex resumed>) = ? [pid 7989] +++ exited with 0 +++ [pid 7976] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7976, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 4998] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7983] <... futex resumed>) = 0 [pid 7983] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7985] <... futex resumed>) = 0 [pid 7983] <... futex resumed>) = 1 [pid 7985] mkdir("./file1", 000 [ 191.791649][ T7982] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 191.814908][ T7985] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 191.815862][ T7984] REISERFS (device loop0): using ordered data mode [ 191.834430][ T7985] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 191.835939][ T7982] REISERFS (device loop4): checking transaction log (loop4) [ 191.844111][ T7984] reiserfs: using flush barriers [pid 7983] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7985] <... mkdir resumed>) = 0 [pid 7985] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7985] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7983] <... futex resumed>) = 0 [pid 7983] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7985] <... futex resumed>) = 0 [pid 7983] <... futex resumed>) = 1 [pid 7985] mkdir("./bus", 000 [pid 7983] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7985] <... mkdir resumed>) = 0 [ 191.866142][ T7984] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 191.880150][ T7982] REISERFS (device loop4): Using r5 hash to sort names [ 191.884144][ T7984] REISERFS (device loop0): checking transaction log (loop0) [ 191.895211][ T7982] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 191.899507][ T7984] REISERFS (device loop0): Using r5 hash to sort names [pid 7985] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7983] <... futex resumed>) = 0 [pid 7985] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7983] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7983] <... futex resumed>) = 0 [pid 7985] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7983] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7984] <... mount resumed>) = 0 [pid 7984] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7984] chdir("./bus") = 0 [pid 7984] ioctl(4, LOOP_CLR_FD) = 0 [pid 7984] close(4) = 0 [pid 7984] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7984] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7981] <... futex resumed>) = 0 [pid 7981] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7984] <... futex resumed>) = 0 [pid 7981] <... futex resumed>) = 1 [pid 7981] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7984] mkdir("./file1", 000) = 0 [pid 7984] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7981] <... futex resumed>) = 0 [pid 7984] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7981] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7981] <... futex resumed>) = 0 [pid 7984] mkdir("./bus", 000 [pid 7981] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7984] <... mkdir resumed>) = 0 [pid 7984] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7981] <... futex resumed>) = 0 [pid 7984] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [ 191.918531][ T7984] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 191.934010][ T7984] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 191.934417][ T7985] overlayfs: upper fs needs to support d_type. [ 191.949471][ T7982] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7981] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7981] <... futex resumed>) = 0 [pid 7984] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7981] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7983] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7983] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7983] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7983] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7990], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7990 [pid 7982] <... mount resumed>) = 0 [pid 7983] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 7982] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7982] chdir("./bus") = 0 [pid 7982] ioctl(4, LOOP_CLR_FD) = 0 [pid 7982] close(4) = 0 [pid 7982] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] <... futex resumed>) = 0 [pid 7979] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7979] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7982] <... futex resumed>) = 1 [pid 7982] mkdir("./file1", 000) = 0 [pid 7983] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7982] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] <... futex resumed>) = 0 [pid 7979] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7979] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7982] <... futex resumed>) = 1 [pid 7982] mkdir("./bus", 000) = 0 [pid 7982] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] <... futex resumed>) = 0 [pid 7979] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7979] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7982] <... futex resumed>) = 1 [pid 7982] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 4998] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 191.968374][ T7984] overlayfs: upper fs needs to support d_type. [ 191.975682][ T7984] overlayfs: upper fs does not support tmpfile. [ 191.983346][ T7984] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 191.993855][ T7985] overlayfs: upper fs does not support tmpfile. [ 192.009352][ T7982] overlayfs: upper fs needs to support d_type. ./strace-static-x86_64: Process 7990 attached [pid 7981] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] lstat("./155/bus", [pid 7990] set_robust_list(0x7f6a509d49e0, 24 [pid 7981] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7990] <... set_robust_list resumed>) = 0 [pid 7981] <... futex resumed>) = 0 [pid 4998] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7990] mkdir(".", 0777 [pid 7981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7990] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7990] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7981] <... mmap resumed>) = 0x7f6a509b4000 [pid 4998] openat(AT_FDCWD, "./155/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7981] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4998] <... openat resumed>) = 4 [pid 7981] <... mprotect resumed>) = 0 [pid 7981] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7991 attached [pid 7990] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7981] <... clone resumed>, parent_tid=[7991], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7991 [pid 4998] getdents64(4, [pid 7991] set_robust_list(0x7f6a509d49e0, 24 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7991] <... set_robust_list resumed>) = 0 [pid 4998] getdents64(4, [pid 7991] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7981] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 7991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7981] <... futex resumed>) = 0 [pid 4998] close(4 [pid 7991] mkdir(".", 0777 [pid 7981] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... close resumed>) = 0 [pid 7991] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4998] rmdir("./155/bus" [pid 7991] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4998] <... rmdir resumed>) = 0 [pid 4998] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./155/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./155") = 0 [ 192.016905][ T7984] overlayfs: failed to resolve './file0': -2 [ 192.027435][ T7982] overlayfs: upper fs does not support tmpfile. [ 192.029795][ T7990] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 192.039284][ T7982] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 192.056134][ T7985] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 4998] mkdir("./156", 0777 [pid 7984] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7979] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7990] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7984] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 7990] <... futex resumed>) = 1 [pid 7984] <... futex resumed>) = 0 [pid 7983] <... futex resumed>) = 0 [pid 7979] <... futex resumed>) = 0 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7990] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7984] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] close(3 [pid 7991] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7979] <... mmap resumed>) = 0x7f6a509b4000 [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7979] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7992 ./strace-static-x86_64: Process 7992 attached [pid 7992] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7992] chdir("./156") = 0 [pid 7992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7992] setpgid(0, 0) = 0 [pid 7992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7979] <... mprotect resumed>) = 0 [pid 7992] <... openat resumed>) = 3 [pid 7982] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7979] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7982] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7991] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7985] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7982] <... futex resumed>) = 0 [pid 7979] <... clone resumed>, parent_tid=[7993], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 7993 ./strace-static-x86_64: Process 7993 attached [pid 7992] write(3, "1000", 4 [pid 7991] <... futex resumed>) = 1 [pid 7985] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7982] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7981] <... futex resumed>) = 0 [pid 7979] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7993] set_robust_list(0x7f6a509d49e0, 24 [pid 7992] <... write resumed>) = 4 [pid 7991] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7985] <... futex resumed>) = 0 [pid 7981] exit_group(0 [pid 7979] <... futex resumed>) = 0 [pid 7993] <... set_robust_list resumed>) = 0 [pid 7992] close(3 [pid 7991] <... futex resumed>) = ? [pid 7985] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7984] <... futex resumed>) = ? [pid 7983] exit_group(0 [pid 7981] <... exit_group resumed>) = ? [pid 7979] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7990] <... futex resumed>) = ? [pid 7985] <... futex resumed>) = ? [pid 7984] +++ exited with 0 +++ [pid 7983] <... exit_group resumed>) = ? [pid 7992] <... close resumed>) = 0 [pid 7993] mkdir(".", 0777 [pid 7991] +++ exited with 0 +++ [pid 7990] +++ exited with 0 +++ [pid 7985] +++ exited with 0 +++ [pid 7983] +++ exited with 0 +++ [pid 7981] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7981, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7983, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7992] symlink("/dev/binderfs", "./binderfs" [pid 5000] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7993] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7992] <... symlink resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7992] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 4997] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7992] <... futex resumed>) = 0 [pid 5000] fstat(3, [pid 7992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] <... openat resumed>) = 3 [pid 7993] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7992] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] fstat(3, [pid 7992] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] getdents64(3, [pid 7992] <... mprotect resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7992] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, [pid 7992] <... clone resumed>, parent_tid=[7994], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7994 [pid 7992] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 7992] <... futex resumed>) = 0 [pid 7992] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7994 attached [pid 7994] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7994] memfd_create("syzkaller", 0) = 3 [pid 7994] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 192.058973][ T7991] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 192.064789][ T7985] overlayfs: failed to resolve './file0': -2 [ 192.088862][ T7982] overlayfs: failed to resolve './file0': -2 [pid 7993] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7993] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] <... futex resumed>) = 0 [pid 7993] <... futex resumed>) = 1 [pid 7979] exit_group(0 [pid 7993] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 7982] <... futex resumed>) = ? [pid 7979] <... exit_group resumed>) = ? [pid 7982] +++ exited with 0 +++ [pid 7993] +++ exited with 0 +++ [pid 7979] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7979, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 192.147348][ T7993] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7994] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./154/bus", [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./154/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] lstat("./155/bus", [pid 4997] <... openat resumed>) = 4 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] openat(AT_FDCWD, "./155/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] close(4 [pid 5000] <... openat resumed>) = 4 [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./154/bus" [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./155/bus") = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 5000] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./155/binderfs" [pid 4997] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... unlink resumed>) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] close(3) = 0 [pid 5000] rmdir("./155" [pid 4997] lstat("./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] mkdir("./156", 0777) = 0 [pid 4997] unlink("./154/binderfs" [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 4997] <... unlink resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4997] getdents64(3, [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3 [pid 5000] close(3 [pid 5001] <... umount2 resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./154") = 0 [pid 4997] mkdir("./155", 0777 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7995 [pid 4997] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 5001] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./154/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 5001] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./154/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7995 attached [pid 7994] <... write resumed>) = 4194304 [pid 5001] close(4 [pid 4997] <... close resumed>) = 0 [pid 7995] set_robust_list(0x5555564f86e0, 24 [pid 7994] munmap(0x7f6a505d5000, 4194304 [pid 5001] <... close resumed>) = 0 [pid 7995] <... set_robust_list resumed>) = 0 [pid 7994] <... munmap resumed>) = 0 [pid 5001] rmdir("./154/bus" [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7995] chdir("./156" [pid 7994] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] <... rmdir resumed>) = 0 [pid 7995] <... chdir resumed>) = 0 [pid 7994] <... openat resumed>) = 4 [pid 5001] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7994] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7996 attached [pid 5001] lstat("./154/binderfs", [pid 7996] set_robust_list(0x5555564f86e0, 24 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7996 [pid 7996] <... set_robust_list resumed>) = 0 [pid 7996] chdir("./155") = 0 [pid 7996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7996] setpgid(0, 0) = 0 [pid 7996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7996] write(3, "1000", 4 [pid 7995] <... prctl resumed>) = 0 [pid 7994] <... ioctl resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7995] setpgid(0, 0 [pid 7994] close(3 [pid 5001] unlink("./154/binderfs" [pid 7995] <... setpgid resumed>) = 0 [pid 7994] <... close resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 7995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7994] mkdir("./bus", 0777 [pid 5001] getdents64(3, [pid 7996] <... write resumed>) = 4 [pid 7995] <... openat resumed>) = 3 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 7995] write(3, "1000", 4 [pid 7994] <... mkdir resumed>) = 0 [pid 5001] close(3 [pid 7995] <... write resumed>) = 4 [pid 7994] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5001] <... close resumed>) = 0 [pid 7996] close(3 [pid 7995] close(3 [pid 5001] rmdir("./154" [pid 7996] <... close resumed>) = 0 [pid 7995] <... close resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 7995] symlink("/dev/binderfs", "./binderfs" [pid 5001] mkdir("./155", 0777 [pid 7996] symlink("/dev/binderfs", "./binderfs" [pid 7995] <... symlink resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 7995] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7995] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 7995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 7995] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7995] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] close(3 [pid 7996] <... symlink resumed>) = 0 [pid 7995] <... mprotect resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 7995] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7995] <... clone resumed>, parent_tid=[7998], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 7998 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 7999 [pid 7995] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7995] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7999 attached [pid 7999] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7999] chdir("./155") = 0 [pid 7999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7999] setpgid(0, 0) = 0 [pid 7999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7999] write(3, "1000", 4) = 4 [pid 7999] close(3./strace-static-x86_64: Process 7998 attached ) = 0 [pid 7998] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 7999] symlink("/dev/binderfs", "./binderfs" [pid 7996] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7998] memfd_create("syzkaller", 0 [pid 7999] <... symlink resumed>) = 0 [pid 7999] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7998] <... memfd_create resumed>) = 3 [pid 7999] <... mmap resumed>) = 0x7f6a589d5000 [pid 7998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 7999] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7999] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8000], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8000 [pid 7999] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7999] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7996] <... mmap resumed>) = 0x7f6a589d5000 [pid 7996] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 8000 attached [pid 8000] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8000] memfd_create("syzkaller", 0) = 3 [pid 8000] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 192.253403][ T7994] loop1: detected capacity change from 0 to 8192 [ 192.271377][ T7994] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 192.285964][ T7994] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 192.296910][ T7994] REISERFS (device loop1): using ordered data mode [pid 7996] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8001], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8001 [pid 7996] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7996] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8001 attached [pid 8001] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8001] memfd_create("syzkaller", 0) = 3 [pid 8001] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 192.304085][ T7994] reiserfs: using flush barriers [ 192.310298][ T7994] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 192.327000][ T7994] REISERFS (device loop1): checking transaction log (loop1) [ 192.336101][ T7994] REISERFS (device loop1): Using r5 hash to sort names [pid 7994] <... mount resumed>) = 0 [pid 7994] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7994] chdir("./bus" [pid 8001] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7998] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7994] <... chdir resumed>) = 0 [pid 8000] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7994] ioctl(4, LOOP_CLR_FD) = 0 [ 192.343443][ T7994] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 192.356213][ T7994] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7994] close(4 [pid 8000] <... write resumed>) = 4194304 [pid 7998] <... write resumed>) = 4194304 [pid 7994] <... close resumed>) = 0 [pid 8000] munmap(0x7f6a505d5000, 4194304 [pid 7998] munmap(0x7f6a505d5000, 4194304 [pid 8000] <... munmap resumed>) = 0 [pid 7998] <... munmap resumed>) = 0 [pid 7994] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8000] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7998] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8000] <... openat resumed>) = 4 [pid 7998] <... openat resumed>) = 4 [pid 7994] <... futex resumed>) = 1 [pid 7992] <... futex resumed>) = 0 [pid 8000] ioctl(4, LOOP_SET_FD, 3 [pid 7998] ioctl(4, LOOP_SET_FD, 3 [pid 8001] <... write resumed>) = 4194304 [pid 7994] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7992] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8001] munmap(0x7f6a505d5000, 4194304 [pid 7994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7992] <... futex resumed>) = 0 [pid 8001] <... munmap resumed>) = 0 [pid 7994] mkdir("./file1", 000 [pid 7992] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7994] <... mkdir resumed>) = 0 [pid 8001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7994] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8001] <... openat resumed>) = 4 [pid 7994] <... futex resumed>) = 1 [pid 7992] <... futex resumed>) = 0 [pid 8001] ioctl(4, LOOP_SET_FD, 3 [pid 7994] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7992] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8000] <... ioctl resumed>) = 0 [pid 8000] close(3) = 0 [pid 8000] mkdir("./bus", 0777) = 0 [pid 8000] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7998] <... ioctl resumed>) = 0 [pid 7998] close(3) = 0 [pid 7998] mkdir("./bus", 0777) = 0 [pid 7998] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7994] mkdir("./bus", 000) = 0 [pid 7994] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7994] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 8001] <... ioctl resumed>) = 0 [pid 8001] close(3) = 0 [pid 7994] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7992] <... futex resumed>) = 1 [pid 8001] mkdir("./bus", 0777) = 0 [pid 8001] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7992] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7992] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7994] <... futex resumed>) = 0 [pid 7992] <... futex resumed>) = 1 [pid 7994] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 192.426124][ T7998] loop3: detected capacity change from 0 to 8192 [ 192.433716][ T8000] loop4: detected capacity change from 0 to 8192 [ 192.437253][ T8001] loop0: detected capacity change from 0 to 8192 [ 192.448728][ T8000] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 192.455384][ T7998] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7992] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7992] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7992] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7992] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8005], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8005 [pid 7992] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7992] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8005 attached [pid 8005] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8005] mkdir(".", 0777) = -1 EEXIST (File exists) [ 192.462516][ T7994] overlayfs: upper fs needs to support d_type. [ 192.475133][ T7998] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 192.491106][ T8000] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 192.491541][ T8001] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 192.500746][ T7994] overlayfs: upper fs does not support tmpfile. [ 192.520495][ T8000] REISERFS (device loop4): using ordered data mode [ 192.525582][ T8005] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 192.527109][ T8000] reiserfs: using flush barriers [ 192.543055][ T7998] REISERFS (device loop3): using ordered data mode [ 192.548200][ T8001] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 192.554155][ T8000] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 192.563216][ T8001] REISERFS (device loop0): using ordered data mode [ 192.579741][ T7998] reiserfs: using flush barriers [ 192.585802][ T8001] reiserfs: using flush barriers [ 192.591356][ T7994] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 192.596766][ T8000] REISERFS (device loop4): checking transaction log (loop4) [ 192.603330][ T8001] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8005] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 8005] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7994] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7992] <... futex resumed>) = 0 [ 192.612013][ T7994] overlayfs: failed to resolve './file0': -2 [ 192.626347][ T7998] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 192.632667][ T8001] REISERFS (device loop0): checking transaction log (loop0) [ 192.657594][ T7998] REISERFS (device loop3): checking transaction log (loop3) [ 192.657688][ T8000] REISERFS (device loop4): Using r5 hash to sort names [pid 8005] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7994] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7992] exit_group(0 [pid 8005] <... futex resumed>) = ? [pid 8005] +++ exited with 0 +++ [pid 7992] <... exit_group resumed>) = ? [pid 7994] +++ exited with 0 +++ [pid 7992] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7992, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 4998] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 192.672594][ T8001] REISERFS (device loop0): Using r5 hash to sort names [ 192.680616][ T8000] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 192.681497][ T8001] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 192.696943][ T8000] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 192.706680][ T8001] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 4998] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8000] <... mount resumed>) = 0 [pid 8000] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8000] chdir("./bus") = 0 [pid 8000] ioctl(4, LOOP_CLR_FD) = 0 [pid 8000] close(4) = 0 [pid 8000] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7999] <... futex resumed>) = 0 [pid 7999] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7999] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8000] <... futex resumed>) = 1 [pid 8000] mkdir("./file1", 000) = 0 [pid 8000] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7999] <... futex resumed>) = 0 [pid 7999] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7999] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8000] <... futex resumed>) = 1 [pid 8000] mkdir("./bus", 000) = 0 [pid 8000] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7999] <... futex resumed>) = 0 [pid 7999] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7999] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8000] <... futex resumed>) = 1 [pid 8000] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8001] <... mount resumed>) = 0 [ 192.720175][ T8000] overlayfs: upper fs needs to support d_type. [ 192.724592][ T7998] REISERFS (device loop3): Using r5 hash to sort names [ 192.737802][ T8000] overlayfs: upper fs does not support tmpfile. [ 192.742430][ T7998] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 192.762591][ T8000] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8001] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7999] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7999] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7999] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8006], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8006 [pid 7999] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7999] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8006 attached [pid 8006] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8006] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8006] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8001] <... openat resumed>) = 3 [pid 8001] chdir("./bus" [pid 7998] <... mount resumed>) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 8001] <... chdir resumed>) = 0 [pid 7998] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 4998] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8006] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8006] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7999] <... futex resumed>) = 0 [pid 8006] <... futex resumed>) = 1 [pid 8006] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8001] ioctl(4, LOOP_CLR_FD) = 0 [pid 8001] close(4) = 0 [pid 8001] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7996] <... futex resumed>) = 0 [pid 8001] mkdir("./file1", 000 [pid 7996] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8001] <... mkdir resumed>) = 0 [pid 7996] <... futex resumed>) = 0 [pid 8001] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7996] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8001] <... futex resumed>) = 0 [pid 7996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7998] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7998] chdir("./bus" [pid 4998] lstat("./156/bus", [pid 7998] <... chdir resumed>) = 0 [pid 8001] mkdir("./bus", 000 [pid 7998] ioctl(4, LOOP_CLR_FD [pid 7996] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8001] <... mkdir resumed>) = 0 [pid 7996] <... futex resumed>) = 0 [pid 8001] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7996] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8001] <... futex resumed>) = 0 [pid 7996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8001] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7996] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7998] <... ioctl resumed>) = 0 [pid 7996] <... futex resumed>) = 0 [pid 4998] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7996] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7998] close(4 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7998] <... close resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./156/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7998] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... openat resumed>) = 4 [pid 7998] <... futex resumed>) = 1 [pid 7995] <... futex resumed>) = 0 [pid 7998] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7995] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] fstat(4, [pid 8000] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7995] <... futex resumed>) = 0 [pid 8000] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7998] mkdir("./file1", 000 [pid 7995] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8000] <... futex resumed>) = 0 [pid 7998] <... mkdir resumed>) = 0 [pid 8000] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7999] exit_group(0 [pid 4998] getdents64(4, [pid 7998] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8000] <... futex resumed>) = ? [pid 7999] <... exit_group resumed>) = ? [pid 8000] +++ exited with 0 +++ [pid 7998] <... futex resumed>) = 1 [pid 7995] <... futex resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 7998] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7995] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] getdents64(4, [pid 7998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7995] <... futex resumed>) = 0 [pid 8006] <... futex resumed>) = ? [pid 7998] mkdir("./bus", 000 [pid 7995] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8006] +++ exited with 0 +++ [pid 7999] +++ exited with 0 +++ [pid 7998] <... mkdir resumed>) = 0 [pid 4998] close(4 [pid 7998] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7995] <... futex resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 7998] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7995] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7999, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 4998] rmdir("./156/bus" [pid 7998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7995] <... futex resumed>) = 0 [ 192.762691][ T7998] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 192.781485][ T8006] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 192.798867][ T8000] overlayfs: failed to resolve './file0': -2 [ 192.809781][ T8001] overlayfs: upper fs needs to support d_type. [ 192.816025][ T8001] overlayfs: upper fs does not support tmpfile. [pid 7995] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7998] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 4998] <... rmdir resumed>) = 0 [pid 4998] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./156/binderfs") = 0 [pid 4998] getdents64(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3 [pid 5001] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./156") = 0 [pid 5001] <... openat resumed>) = 3 [pid 4998] mkdir("./157", 0777) = 0 [pid 5001] fstat(3, [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... openat resumed>) = 3 [pid 5001] getdents64(3, [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8007 [pid 5001] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8007 attached [pid 8007] set_robust_list(0x5555564f86e0, 24) = 0 [pid 7996] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7996] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7996] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7996] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8008], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8008 [pid 7996] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7996] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8007] chdir("./157") = 0 [pid 8007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8007] setpgid(0, 0) = 0 [pid 8007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8007] write(3, "1000", 4) = 4 [pid 8007] close(3) = 0 [pid 8007] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7995] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 192.830708][ T8001] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 192.846651][ T7998] overlayfs: upper fs needs to support d_type. [ 192.859746][ T8001] overlayfs: failed to resolve './file0': -2 [ 192.866545][ T7998] overlayfs: upper fs does not support tmpfile. [pid 7995] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 7995] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7995] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8009], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8009 [pid 7995] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7995] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8007] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8007] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8007] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8001] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8001] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8008 attached [pid 8001] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8009 attached [pid 8008] set_robust_list(0x7f6a509d49e0, 24 [pid 8009] set_robust_list(0x7f6a509d49e0, 24 [pid 8008] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 8010 attached [pid 8010] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8010] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8009] <... set_robust_list resumed>) = 0 [pid 8009] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8009] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8008] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8007] <... clone resumed>, parent_tid=[8010], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8010 [pid 7998] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8008] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7998] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8007] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7998] <... futex resumed>) = 0 [pid 7998] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8007] <... futex resumed>) = 1 [pid 8007] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8010] <... futex resumed>) = 0 [pid 8010] memfd_create("syzkaller", 0) = 3 [pid 8010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 192.884440][ T7998] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 192.893908][ T7998] overlayfs: failed to resolve './file0': -2 [ 192.923457][ T8008] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8010] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8008] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = 0 [pid 8009] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8009] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] <... futex resumed>) = 0 [pid 7995] exit_group(0) = ? [pid 7998] <... futex resumed>) = ? [pid 5001] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7998] +++ exited with 0 +++ [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./155/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8009] <... futex resumed>) = ? [pid 5001] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./155/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8009] +++ exited with 0 +++ [pid 7995] +++ exited with 0 +++ [pid 5001] <... openat resumed>) = 4 [pid 5001] fstat(4, [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7995, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 8008] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./155/bus" [pid 5000] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7996] <... futex resumed>) = 0 [pid 7996] exit_group(0 [pid 5001] <... rmdir resumed>) = 0 [pid 8001] <... futex resumed>) = ? [pid 7996] <... exit_group resumed>) = ? [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8001] +++ exited with 0 +++ [pid 5001] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8008] <... futex resumed>) = ? [pid 5001] lstat("./155/binderfs", [pid 5000] <... openat resumed>) = 3 [pid 8008] +++ exited with 0 +++ [pid 7996] +++ exited with 0 +++ [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] fstat(3, [pid 5001] unlink("./155/binderfs") = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 5000] getdents64(3, [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7996, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(3 [pid 5000] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] rmdir("./155" [pid 4997] <... openat resumed>) = 3 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] fstat(3, [pid 5001] mkdir("./156", 0777 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4997] getdents64(3, [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] <... openat resumed>) = 3 [pid 4997] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 8010] <... write resumed>) = 4194304 [pid 5001] <... close resumed>) = 0 [pid 8010] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8010] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 192.939387][ T8009] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8010] ioctl(4, LOOP_SET_FD, 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8011 ./strace-static-x86_64: Process 8011 attached [pid 8010] <... ioctl resumed>) = 0 [pid 8011] set_robust_list(0x5555564f86e0, 24 [pid 8010] close(3 [pid 8011] <... set_robust_list resumed>) = 0 [pid 8010] <... close resumed>) = 0 [pid 8010] mkdir("./bus", 0777) = 0 [pid 8011] chdir("./156" [pid 8010] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8011] <... chdir resumed>) = 0 [pid 8011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8011] setpgid(0, 0) = 0 [pid 8011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8011] write(3, "1000", 4) = 4 [pid 8011] close(3) = 0 [pid 8011] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8011] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 8011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./155/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./155/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./155/bus") = 0 [pid 4997] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./155/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./155") = 0 [pid 4997] mkdir("./156", 0777 [pid 8011] <... mmap resumed>) = 0x7f6a589d5000 [pid 8011] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8011] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8013], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8013 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./156/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8011] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 192.995761][ T8010] loop1: detected capacity change from 0 to 8192 [ 193.025409][ T8010] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8011] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8014 ./strace-static-x86_64: Process 8013 attached [pid 8013] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8013] memfd_create("syzkaller", 0) = 3 [pid 8013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5000] openat(AT_FDCWD, "./156/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8014 attached ) = 4 [pid 8014] set_robust_list(0x5555564f86e0, 24 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8014] <... set_robust_list resumed>) = 0 [pid 5000] getdents64(4, [pid 8014] chdir("./156" [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8014] <... chdir resumed>) = 0 [pid 5000] getdents64(4, [pid 8014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8014] <... prctl resumed>) = 0 [pid 5000] close(4 [pid 8014] setpgid(0, 0 [pid 5000] <... close resumed>) = 0 [pid 8014] <... setpgid resumed>) = 0 [pid 5000] rmdir("./156/bus" [pid 8014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... rmdir resumed>) = 0 [pid 8014] <... openat resumed>) = 3 [pid 5000] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8014] write(3, "1000", 4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8014] <... write resumed>) = 4 [pid 5000] lstat("./156/binderfs", [pid 8014] close(3) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8014] symlink("/dev/binderfs", "./binderfs" [pid 5000] unlink("./156/binderfs" [pid 8014] <... symlink resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 8014] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] getdents64(3, [pid 8014] <... futex resumed>) = 0 [pid 8014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8014] <... mmap resumed>) = 0x7f6a589d5000 [pid 8014] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] close(3 [pid 8014] <... mprotect resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 8014] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] rmdir("./156"./strace-static-x86_64: Process 8015 attached [ 193.050165][ T8010] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 193.065656][ T8010] REISERFS (device loop1): using ordered data mode [ 193.076428][ T8010] reiserfs: using flush barriers [pid 8013] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8015] set_robust_list(0x7f6a589f59e0, 24 [pid 8014] <... clone resumed>, parent_tid=[8015], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8015 [pid 5000] <... rmdir resumed>) = 0 [pid 8015] <... set_robust_list resumed>) = 0 [pid 8014] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8014] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] mkdir("./157", 0777 [pid 8015] memfd_create("syzkaller", 0) = 3 [pid 5000] <... mkdir resumed>) = 0 [pid 8015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 8015] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8016 ./strace-static-x86_64: Process 8016 attached [pid 8016] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8016] chdir("./157") = 0 [pid 8016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8016] setpgid(0, 0) = 0 [pid 8016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8016] write(3, "1000", 4) = 4 [pid 8016] close(3) = 0 [pid 8016] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8016] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8016] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8016] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8017], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8017 [pid 8016] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8016] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8017 attached [pid 8017] set_robust_list(0x7f6a589f59e0, 24 [ 193.087474][ T8010] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 193.118426][ T8010] REISERFS (device loop1): checking transaction log (loop1) [pid 8015] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8017] <... set_robust_list resumed>) = 0 [pid 8017] memfd_create("syzkaller", 0) = 3 [pid 8017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8013] <... write resumed>) = 4194304 [pid 8013] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8013] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8013] ioctl(4, LOOP_SET_FD, 3 [pid 8015] <... write resumed>) = 4194304 [pid 8015] munmap(0x7f6a505d5000, 4194304 [pid 8017] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8013] <... ioctl resumed>) = 0 [ 193.143898][ T8010] REISERFS (device loop1): Using r5 hash to sort names [ 193.153641][ T8010] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 193.174190][ T8010] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 193.175512][ T8013] loop4: detected capacity change from 0 to 8192 [pid 8015] <... munmap resumed>) = 0 [pid 8015] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8015] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8015] close(3) = 0 [pid 8015] mkdir("./bus", 0777) = 0 [pid 8015] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8013] close(3 [pid 8010] <... mount resumed>) = 0 [pid 8013] <... close resumed>) = 0 [pid 8010] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8013] mkdir("./bus", 0777 [pid 8010] <... openat resumed>) = 3 [pid 8013] <... mkdir resumed>) = 0 [pid 8010] chdir("./bus" [pid 8013] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8010] <... chdir resumed>) = 0 [pid 8017] <... write resumed>) = 4194304 [pid 8010] ioctl(4, LOOP_CLR_FD) = 0 [pid 8010] close(4) = 0 [pid 8010] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8007] <... futex resumed>) = 0 [pid 8010] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8007] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8010] <... futex resumed>) = 0 [pid 8007] <... futex resumed>) = 1 [pid 8010] mkdir("./file1", 000 [pid 8007] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8010] <... mkdir resumed>) = 0 [pid 8010] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8010] <... futex resumed>) = 0 [ 193.199178][ T8015] loop0: detected capacity change from 0 to 8192 [ 193.210911][ T8015] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 193.228441][ T8015] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 8010] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8007] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8010] mkdir("./bus", 000 [pid 8007] <... futex resumed>) = 0 [pid 8007] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8010] <... mkdir resumed>) = 0 [pid 8017] munmap(0x7f6a505d5000, 4194304 [pid 8010] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8017] <... munmap resumed>) = 0 [pid 8010] <... futex resumed>) = 1 [pid 8007] <... futex resumed>) = 0 [pid 8007] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [ 193.230504][ T8013] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 193.238568][ T8015] REISERFS (device loop0): using ordered data mode [ 193.257736][ T8015] reiserfs: using flush barriers [ 193.264261][ T8013] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 193.275195][ T8013] REISERFS (device loop4): using ordered data mode [ 193.278068][ T8015] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8017] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8010] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8007] <... futex resumed>) = 0 [pid 8017] <... openat resumed>) = 4 [pid 8007] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 193.281789][ T8013] reiserfs: using flush barriers [ 193.303122][ T8013] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 193.308228][ T8010] overlayfs: upper fs needs to support d_type. [ 193.319616][ T8013] REISERFS (device loop4): checking transaction log (loop4) [ 193.328074][ T8017] loop3: detected capacity change from 0 to 8192 [ 193.336033][ T8015] REISERFS (device loop0): checking transaction log (loop0) [pid 8017] ioctl(4, LOOP_SET_FD, 3 [pid 8007] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8007] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8007] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8007] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8020], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8020 ./strace-static-x86_64: Process 8020 attached [pid 8007] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8007] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8017] <... ioctl resumed>) = 0 [pid 8017] close(3) = 0 [pid 8017] mkdir("./bus", 0777) = 0 [ 193.340644][ T8013] REISERFS (device loop4): Using r5 hash to sort names [ 193.346684][ T8010] overlayfs: upper fs does not support tmpfile. [ 193.354421][ T8015] REISERFS (device loop0): Using r5 hash to sort names [ 193.360172][ T8010] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 193.366766][ T8015] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 193.374529][ T8010] overlayfs: failed to resolve './file0': -2 [pid 8017] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8020] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8015] <... mount resumed>) = 0 [pid 8010] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8020] mkdir(".", 0777 [pid 8015] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8013] <... mount resumed>) = 0 [ 193.399320][ T8013] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 193.399625][ T8015] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 193.414552][ T8017] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 193.421815][ T8013] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8010] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8020] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8020] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8015] <... openat resumed>) = 3 [pid 8013] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8010] <... futex resumed>) = 0 [pid 8015] chdir("./bus" [pid 8013] <... openat resumed>) = 3 [pid 8010] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8015] <... chdir resumed>) = 0 [pid 8013] chdir("./bus" [pid 8015] ioctl(4, LOOP_CLR_FD [pid 8013] <... chdir resumed>) = 0 [pid 8015] <... ioctl resumed>) = 0 [pid 8013] ioctl(4, LOOP_CLR_FD [pid 8015] close(4 [pid 8013] <... ioctl resumed>) = 0 [pid 8015] <... close resumed>) = 0 [pid 8013] close(4 [pid 8015] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8013] <... close resumed>) = 0 [pid 8015] <... futex resumed>) = 1 [pid 8014] <... futex resumed>) = 0 [pid 8013] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8015] mkdir("./file1", 000 [pid 8014] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8013] <... futex resumed>) = 1 [pid 8015] <... mkdir resumed>) = 0 [pid 8014] <... futex resumed>) = 0 [pid 8013] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8015] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8014] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8015] <... futex resumed>) = 0 [pid 8014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8015] mkdir("./bus", 000 [pid 8014] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8015] <... mkdir resumed>) = 0 [pid 8014] <... futex resumed>) = 0 [pid 8014] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8015] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8014] <... futex resumed>) = 0 [pid 8014] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8014] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 193.443953][ T8017] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 193.453962][ T8017] REISERFS (device loop3): using ordered data mode [ 193.462754][ T8017] reiserfs: using flush barriers [ 193.468798][ T8017] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 193.487005][ T8015] overlayfs: upper fs needs to support d_type. [pid 8015] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8011] <... futex resumed>) = 0 [pid 8011] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8013] <... futex resumed>) = 0 [pid 8011] <... futex resumed>) = 1 [pid 8013] mkdir("./file1", 000 [pid 8011] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8013] <... mkdir resumed>) = 0 [pid 8013] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8013] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8011] <... futex resumed>) = 0 [pid 8011] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8014] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8014] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8013] <... futex resumed>) = 0 [pid 8011] <... futex resumed>) = 1 [pid 8020] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8011] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8020] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8020] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8014] <... mprotect resumed>) = 0 [pid 8014] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8022], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8022 [pid 8014] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8014] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8013] mkdir("./bus", 000) = 0 [pid 8013] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8011] <... futex resumed>) = 0 [pid 8013] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8011] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8011] <... futex resumed>) = 0 [pid 8013] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8011] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8007] <... futex resumed>) = 0 [pid 8007] exit_group(0) = ? [pid 8020] <... futex resumed>) = ? [ 193.494104][ T8020] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 193.507214][ T8015] overlayfs: upper fs does not support tmpfile. [ 193.515454][ T8015] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 193.523855][ T8015] overlayfs: failed to resolve './file0': -2 [ 193.530570][ T8017] REISERFS (device loop3): checking transaction log (loop3) [ 193.539125][ T8017] REISERFS (device loop3): Using r5 hash to sort names [pid 8020] +++ exited with 0 +++ ./strace-static-x86_64: Process 8022 attached [pid 8015] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8010] <... futex resumed>) = ? [pid 8022] set_robust_list(0x7f6a509d49e0, 24 [pid 8015] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8010] +++ exited with 0 +++ [pid 8007] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8007, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 8022] <... set_robust_list resumed>) = 0 [pid 8015] <... futex resumed>) = 0 [pid 8022] mkdir(".", 0777 [pid 8015] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8022] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4998] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8022] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8017] <... mount resumed>) = 0 [pid 8017] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, [pid 8017] chdir("./bus") = 0 [pid 8017] ioctl(4, LOOP_CLR_FD) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8011] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8011] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] getdents64(3, [pid 8011] <... mmap resumed>) = 0x7f6a509b4000 [pid 8011] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8011] <... mprotect resumed>) = 0 [pid 8011] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8023], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8023 [pid 8011] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8011] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 193.547044][ T8013] overlayfs: upper fs needs to support d_type. [ 193.549022][ T8017] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 193.553404][ T8013] overlayfs: upper fs does not support tmpfile. [ 193.553817][ T8013] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 193.567383][ T8017] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8017] close(4) = 0 [pid 8017] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8017] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8023 attached [pid 8023] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8023] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8023] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8016] <... futex resumed>) = 0 [pid 8016] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8016] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8017] <... futex resumed>) = 0 [pid 8017] mkdir("./file1", 000) = 0 [pid 8017] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8016] <... futex resumed>) = 0 [pid 8016] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8016] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8017] <... futex resumed>) = 1 [pid 8017] mkdir("./bus", 000) = 0 [pid 8017] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8016] <... futex resumed>) = 0 [pid 8017] <... futex resumed>) = 1 [pid 8016] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8017] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8016] <... futex resumed>) = 0 [pid 8016] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8022] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8022] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8014] <... futex resumed>) = 0 [pid 8022] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8014] exit_group(0 [pid 8022] <... futex resumed>) = ? [pid 8015] <... futex resumed>) = ? [pid 8014] <... exit_group resumed>) = ? [pid 8022] +++ exited with 0 +++ [pid 8015] +++ exited with 0 +++ [pid 8014] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8014, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [ 193.597678][ T8022] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 193.628817][ T8013] overlayfs: failed to resolve './file0': -2 [ 193.636302][ T8017] overlayfs: upper fs needs to support d_type. [pid 4997] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8016] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8016] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8013] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8016] <... futex resumed>) = 0 [pid 8013] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8013] <... futex resumed>) = 0 [pid 8016] <... mmap resumed>) = 0x7f6a509b4000 [pid 8013] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8016] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8016] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8024], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8024 [pid 8016] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8016] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8024 attached [pid 8024] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8024] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8024] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8023] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8023] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8011] <... futex resumed>) = 0 [ 193.649005][ T8017] overlayfs: upper fs does not support tmpfile. [ 193.658381][ T8023] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 193.677902][ T8017] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8011] exit_group(0) = ? [pid 8023] <... futex resumed>) = ? [pid 8023] +++ exited with 0 +++ [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8013] <... futex resumed>) = ? [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./157/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8013] +++ exited with 0 +++ [pid 8011] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8011, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] openat(AT_FDCWD, "./157/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./157/bus") = 0 [pid 4998] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./157/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./157") = 0 [pid 4998] mkdir("./158", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 193.703355][ T8024] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] close(3 [pid 8024] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8025 [pid 8024] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8016] <... futex resumed>) = 0 [pid 8024] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8025 attached [pid 8025] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8025] chdir("./158") = 0 [pid 8025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8025] setpgid(0, 0) = 0 [pid 8025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8017] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8025] write(3, "1000", 4 [pid 8017] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8025] <... write resumed>) = 4 [pid 8017] <... futex resumed>) = 0 [pid 8025] close(3 [pid 8017] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8016] exit_group(0 [pid 8025] <... close resumed>) = 0 [pid 8024] <... futex resumed>) = ? [pid 8017] <... futex resumed>) = ? [pid 8016] <... exit_group resumed>) = ? [pid 8024] +++ exited with 0 +++ [pid 8025] symlink("/dev/binderfs", "./binderfs" [pid 8017] +++ exited with 0 +++ [pid 8016] +++ exited with 0 +++ [pid 4997] <... umount2 resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8016, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [ 193.751791][ T8017] overlayfs: failed to resolve './file0': -2 [pid 8025] <... symlink resumed>) = 0 [pid 5000] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8025] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8025] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... openat resumed>) = 3 [pid 4997] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8025] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] fstat(3, [pid 8025] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8025] <... mprotect resumed>) = 0 [pid 5000] getdents64(3, [pid 8025] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] lstat("./156/bus", [pid 5000] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8025] <... clone resumed>, parent_tid=[8026], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8026 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8025] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4997] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8025] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8026 attached [pid 8026] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8026] memfd_create("syzkaller", 0 [pid 4997] openat(AT_FDCWD, "./156/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./156/bus" [pid 8026] <... memfd_create resumed>) = 3 [pid 8026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8026] <... mmap resumed>) = 0x7f6a505d5000 [pid 4997] lstat("./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./156/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./156") = 0 [pid 4997] mkdir("./157", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./156/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./156/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8027 [pid 5001] <... openat resumed>) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./156/bus") = 0 [pid 5001] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./156/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./156") = 0 ./strace-static-x86_64: Process 8027 attached [pid 8027] set_robust_list(0x5555564f86e0, 24 [pid 5001] mkdir("./157", 0777 [pid 8027] <... set_robust_list resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 8027] chdir("./157") = 0 [pid 8027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8027] setpgid(0, 0 [pid 5001] <... openat resumed>) = 3 [pid 8027] <... setpgid resumed>) = 0 [pid 8027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8027] <... openat resumed>) = 3 [pid 5001] close(3 [pid 8027] write(3, "1000", 4 [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8028 ./strace-static-x86_64: Process 8028 attached [pid 8028] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8028] chdir("./157") = 0 [pid 8028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8028] setpgid(0, 0) = 0 [pid 8027] <... write resumed>) = 4 [pid 8028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8028] write(3, "1000", 4) = 4 [pid 8028] close(3) = 0 [pid 8028] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8028] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8028] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8028] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8027] close(3) = 0 [pid 8027] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8027] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8028] <... clone resumed>, parent_tid=[8029], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8029 [pid 8027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8028] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] <... mmap resumed>) = 0x7f6a589d5000 [pid 8028] <... futex resumed>) = 0 [pid 8027] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8028] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8027] <... mprotect resumed>) = 0 [pid 8027] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8026] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8027] <... clone resumed>, parent_tid=[8030], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8030 [pid 8027] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8027] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8029 attached [pid 8029] set_robust_list(0x7f6a589f59e0, 24) = 0 ./strace-static-x86_64: Process 8030 attached [pid 8030] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8029] memfd_create("syzkaller", 0) = 3 [pid 8030] memfd_create("syzkaller", 0) = 3 [pid 8029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8030] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8029] <... mmap resumed>) = 0x7f6a505d5000 [pid 8030] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./157/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./157/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./157/bus") = 0 [pid 5000] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./157/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./157") = 0 [pid 5000] mkdir("./158", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 8026] <... write resumed>) = 4194304 [pid 8026] munmap(0x7f6a505d5000, 4194304 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8026] <... munmap resumed>) = 0 [pid 8029] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8031 [pid 8026] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8026] ioctl(4, LOOP_SET_FD, 3 [pid 8030] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8031 attached [pid 8031] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8031] chdir("./158") = 0 [pid 8031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8031] setpgid(0, 0) = 0 [pid 8031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8031] write(3, "1000", 4) = 4 [pid 8031] close(3) = 0 [pid 8031] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8031] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8031] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8031] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8032], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8032 [pid 8031] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8031] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8026] <... ioctl resumed>) = 0 [pid 8026] close(3) = 0 [pid 8026] mkdir("./bus", 0777./strace-static-x86_64: Process 8032 attached ) = 0 [pid 8032] set_robust_list(0x7f6a589f59e0, 24 [pid 8026] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8032] <... set_robust_list resumed>) = 0 [ 193.987716][ T8026] loop1: detected capacity change from 0 to 8192 [pid 8032] memfd_create("syzkaller", 0) = 3 [pid 8032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8029] <... write resumed>) = 4194304 [pid 8029] munmap(0x7f6a505d5000, 4194304 [pid 8030] <... write resumed>) = 4194304 [pid 8030] munmap(0x7f6a505d5000, 4194304 [pid 8029] <... munmap resumed>) = 0 [pid 8029] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8030] <... munmap resumed>) = 0 [ 194.031148][ T8026] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 194.055648][ T8026] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 194.066497][ T8026] REISERFS (device loop1): using ordered data mode [ 194.075033][ T8026] reiserfs: using flush barriers [pid 8029] ioctl(4, LOOP_SET_FD, 3 [pid 8030] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8030] ioctl(4, LOOP_SET_FD, 3 [pid 8029] <... ioctl resumed>) = 0 [pid 8029] close(3) = 0 [pid 8029] mkdir("./bus", 0777) = 0 [pid 8029] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 194.080522][ T8029] loop4: detected capacity change from 0 to 8192 [ 194.087673][ T8026] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 194.105532][ T8030] loop0: detected capacity change from 0 to 8192 [ 194.110112][ T8026] REISERFS (device loop1): checking transaction log (loop1) [pid 8032] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8030] <... ioctl resumed>) = 0 [pid 8030] close(3) = 0 [pid 8030] mkdir("./bus", 0777) = 0 [ 194.120332][ T8026] REISERFS (device loop1): Using r5 hash to sort names [ 194.132908][ T8029] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 194.146450][ T8029] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 194.155990][ T8026] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 194.168789][ T8030] REISERFS warning: read_super_block: using ordered data mode [ 194.168789][ T8030] [pid 8030] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8026] <... mount resumed>) = 0 [ 194.168795][ T8029] REISERFS (device loop4): using ordered data mode [ 194.168806][ T8029] reiserfs: using flush barriers [ 194.169555][ T8029] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 194.195322][ T8030] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 194.206249][ T8026] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 194.224949][ T8030] REISERFS (device loop0): using ordered data mode [pid 8026] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8032] <... write resumed>) = 4194304 [pid 8032] munmap(0x7f6a505d5000, 4194304 [pid 8026] <... openat resumed>) = 3 [pid 8032] <... munmap resumed>) = 0 [pid 8026] chdir("./bus" [pid 8032] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8032] ioctl(4, LOOP_SET_FD, 3 [pid 8026] <... chdir resumed>) = 0 [pid 8026] ioctl(4, LOOP_CLR_FD) = 0 [pid 8026] close(4) = 0 [pid 8026] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8025] <... futex resumed>) = 0 [pid 8026] mkdir("./file1", 000 [pid 8025] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8026] <... mkdir resumed>) = 0 [pid 8025] <... futex resumed>) = 0 [pid 8026] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8025] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8026] <... futex resumed>) = 0 [pid 8025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8026] mkdir("./bus", 000 [pid 8025] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8026] <... mkdir resumed>) = 0 [pid 8025] <... futex resumed>) = 0 [pid 8026] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8025] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8026] <... futex resumed>) = 0 [pid 8025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8026] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8025] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8025] <... futex resumed>) = 0 [pid 8026] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8025] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8032] <... ioctl resumed>) = 0 [pid 8032] close(3) = 0 [ 194.231856][ T8030] reiserfs: using flush barriers [ 194.237507][ T8029] REISERFS (device loop4): checking transaction log (loop4) [ 194.245297][ T8030] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 194.245818][ T8029] REISERFS (device loop4): Using r5 hash to sort names [ 194.262952][ T8032] loop3: detected capacity change from 0 to 8192 [ 194.268965][ T8030] REISERFS (device loop0): checking transaction log (loop0) [pid 8032] mkdir("./bus", 0777) = 0 [ 194.286449][ T8026] overlayfs: upper fs needs to support d_type. [ 194.290296][ T8030] REISERFS (device loop0): Using r5 hash to sort names [ 194.298480][ T8026] overlayfs: upper fs does not support tmpfile. [ 194.300755][ T8030] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 194.312509][ T8026] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 194.319050][ T8030] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8032] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8025] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8025] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8025] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8025] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8037], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8037 [pid 8025] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8025] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8030] <... mount resumed>) = 0 [pid 8030] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8030] chdir("./bus") = 0 [pid 8030] ioctl(4, LOOP_CLR_FD) = 0 [pid 8030] close(4) = 0 [pid 8030] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8027] <... futex resumed>) = 0 [pid 8030] mkdir("./file1", 000 [ 194.329372][ T8029] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 194.349427][ T8032] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 194.365126][ T8026] overlayfs: failed to resolve './file0': -2 [ 194.372275][ T8029] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8027] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8030] <... mkdir resumed>) = 0 [pid 8029] <... mount resumed>) = 0 [pid 8027] <... futex resumed>) = 0 [pid 8027] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8037 attached [pid 8030] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8037] set_robust_list(0x7f6a509d49e0, 24 [pid 8030] <... futex resumed>) = 1 [pid 8027] <... futex resumed>) = 0 [pid 8037] <... set_robust_list resumed>) = 0 [pid 8030] mkdir("./bus", 000 [pid 8027] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8037] mkdir(".", 0777 [pid 8030] <... mkdir resumed>) = 0 [pid 8027] <... futex resumed>) = 0 [pid 8037] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8030] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8037] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8030] <... futex resumed>) = 0 [pid 8027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8030] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8027] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8029] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8027] <... futex resumed>) = 0 [pid 8029] <... openat resumed>) = 3 [pid 8027] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8029] chdir("./bus") = 0 [pid 8029] ioctl(4, LOOP_CLR_FD) = 0 [ 194.383973][ T8032] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 194.393707][ T8032] REISERFS (device loop3): using ordered data mode [ 194.400574][ T8032] reiserfs: using flush barriers [ 194.406433][ T8032] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 194.413257][ T8030] overlayfs: upper fs needs to support d_type. [ 194.423046][ T8032] REISERFS (device loop3): checking transaction log (loop3) [pid 8029] close(4) = 0 [pid 8026] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8029] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8026] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8029] <... futex resumed>) = 1 [pid 8026] <... futex resumed>) = 0 [pid 8029] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8026] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8028] <... futex resumed>) = 0 [pid 8028] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8029] <... futex resumed>) = 0 [pid 8028] <... futex resumed>) = 1 [pid 8029] mkdir("./file1", 000 [pid 8028] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8029] <... mkdir resumed>) = 0 [pid 8029] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8028] <... futex resumed>) = 0 [pid 8029] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 8028] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8029] mkdir("./bus", 000 [pid 8028] <... futex resumed>) = 0 [pid 8029] <... mkdir resumed>) = 0 [pid 8028] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8029] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8029] <... futex resumed>) = 0 [pid 8028] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 194.437534][ T8032] REISERFS (device loop3): Using r5 hash to sort names [ 194.446927][ T8037] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 194.448511][ T8032] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8029] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8028] <... futex resumed>) = 0 [pid 8027] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8027] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8027] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8038], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8038 [pid 8027] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8027] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8028] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8038 attached [pid 8038] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8038] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8038] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8032] <... mount resumed>) = 0 [ 194.484540][ T8029] overlayfs: upper fs needs to support d_type. [ 194.487973][ T8032] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 194.500122][ T8030] overlayfs: upper fs does not support tmpfile. [ 194.506793][ T8030] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 194.512647][ T8038] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 194.514186][ T8029] overlayfs: upper fs does not support tmpfile. [pid 8032] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8032] chdir("./bus") = 0 [pid 8032] ioctl(4, LOOP_CLR_FD) = 0 [pid 8032] close(4) = 0 [pid 8028] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8037] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8037] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8025] <... futex resumed>) = 0 [pid 8025] exit_group(0 [pid 8032] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8028] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8026] <... futex resumed>) = ? [pid 8025] <... exit_group resumed>) = ? [pid 8032] <... futex resumed>) = 1 [pid 8031] <... futex resumed>) = 0 [pid 8028] <... futex resumed>) = 0 [pid 8026] +++ exited with 0 +++ [pid 8032] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8031] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8031] <... futex resumed>) = 0 [pid 8032] mkdir("./file1", 000 [pid 8031] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8028] <... mmap resumed>) = 0x7f6a509b4000 [pid 8032] <... mkdir resumed>) = 0 [pid 8032] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8028] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8032] <... futex resumed>) = 1 [pid 8031] <... futex resumed>) = 0 [pid 8038] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8032] mkdir("./bus", 000 [pid 8031] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8028] <... mprotect resumed>) = 0 [pid 8037] <... futex resumed>) = ? [pid 8032] <... mkdir resumed>) = 0 [pid 8031] <... futex resumed>) = 0 [pid 8028] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8031] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8029] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8029] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8029] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8032] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8028] <... clone resumed>, parent_tid=[8039], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8039 [pid 8038] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8032] <... futex resumed>) = 1 [pid 8028] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8032] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8038] <... futex resumed>) = 1 [pid 8028] <... futex resumed>) = 0 [pid 8038] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8031] <... futex resumed>) = 0 [pid 8028] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8027] <... futex resumed>) = 0 [pid 8031] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8032] <... futex resumed>) = 0 [pid 8031] <... futex resumed>) = 1 [pid 8037] +++ exited with 0 +++ [pid 8032] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8025] +++ exited with 0 +++ [pid 8031] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8025, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8030] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8030] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] exit_group(0 [pid 8038] <... futex resumed>) = ? [pid 8030] <... futex resumed>) = ? [pid 8027] <... exit_group resumed>) = ? [pid 8038] +++ exited with 0 +++ [pid 8030] +++ exited with 0 +++ [pid 8027] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8027, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 4997] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8039 attached [ 194.535734][ T8029] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 194.545274][ T8029] overlayfs: failed to resolve './file0': -2 [ 194.562464][ T8030] overlayfs: failed to resolve './file0': -2 [ 194.581068][ T8032] overlayfs: upper fs needs to support d_type. [pid 8039] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8039] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8039] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8031] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] <... umount2 resumed>) = 0 [pid 8031] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8031] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8031] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8040], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8040 [pid 8031] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8031] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8040 attached [pid 8040] set_robust_list(0x7f6a509d49e0, 24 [pid 4998] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./158/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./158/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./158/bus" [pid 8040] <... set_robust_list resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4998] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./158/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./158" [pid 8040] mkdir(".", 0777 [pid 4998] <... rmdir resumed>) = 0 [pid 4998] mkdir("./159", 0777 [pid 8040] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4998] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3 [pid 8040] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8039] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8039] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8028] <... futex resumed>) = 0 [pid 8028] exit_group(0 [pid 8029] <... futex resumed>) = ? [pid 8028] <... exit_group resumed>) = ? [pid 8029] +++ exited with 0 +++ [ 194.607345][ T8032] overlayfs: upper fs does not support tmpfile. [ 194.615446][ T8032] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 194.629751][ T8039] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 194.641880][ T8032] overlayfs: failed to resolve './file0': -2 [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8039] +++ exited with 0 +++ [pid 8028] +++ exited with 0 +++ [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8041 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8028, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5001] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8032] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] <... openat resumed>) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8032] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] getdents64(3, [pid 8032] <... futex resumed>) = 0 [pid 8032] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 8041 attached [pid 5001] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8041] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8041] chdir("./159" [pid 8040] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8040] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8031] <... futex resumed>) = 0 [pid 8031] exit_group(0 [pid 8032] <... futex resumed>) = ? [pid 8031] <... exit_group resumed>) = ? [pid 8032] +++ exited with 0 +++ [pid 8041] <... chdir resumed>) = 0 [pid 8041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8041] setpgid(0, 0 [pid 8040] <... futex resumed>) = ? [pid 8041] <... setpgid resumed>) = 0 [pid 8041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8040] +++ exited with 0 +++ [pid 8031] +++ exited with 0 +++ [pid 8041] write(3, "1000", 4 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8031, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 8041] <... write resumed>) = 4 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 8041] close(3 [pid 5000] <... restart_syscall resumed>) = 0 [pid 8041] <... close resumed>) = 0 [pid 8041] symlink("/dev/binderfs", "./binderfs" [pid 5000] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8041] <... symlink resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8041] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 8041] <... futex resumed>) = 0 [pid 5000] fstat(3, [pid 8041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, [pid 8041] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8041] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8041] <... mprotect resumed>) = 0 [pid 8041] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8042], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8042 [pid 8041] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 194.682390][ T8040] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8041] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8042 attached [pid 8042] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./157/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./157/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./157/bus") = 0 [pid 4997] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./157/binderfs" [pid 8042] memfd_create("syzkaller", 0 [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./157" [pid 8042] <... memfd_create resumed>) = 3 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./158", 0777 [pid 8042] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 8042] <... mmap resumed>) = 0x7f6a505d5000 [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8043 ./strace-static-x86_64: Process 8043 attached [pid 8043] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8043] chdir("./158") = 0 [pid 8043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8043] setpgid(0, 0) = 0 [pid 8043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8043] write(3, "1000", 4) = 4 [pid 8043] close(3) = 0 [pid 8043] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8043] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8043] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8043] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8044], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8044 [pid 8043] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8043] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8044 attached [pid 5001] <... umount2 resumed>) = 0 [pid 8044] set_robust_list(0x7f6a589f59e0, 24 [pid 5001] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8044] <... set_robust_list resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8044] memfd_create("syzkaller", 0 [pid 5001] lstat("./157/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8044] <... memfd_create resumed>) = 3 [pid 5001] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] openat(AT_FDCWD, "./157/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./157/bus") = 0 [pid 5001] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./157/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3 [pid 5000] <... umount2 resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5001] rmdir("./157" [pid 5000] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./158/bus", [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] mkdir("./158", 0777 [pid 5000] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./158/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] fstat(4, [pid 5001] <... openat resumed>) = 3 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, [pid 5001] ioctl(3, LOOP_CLR_FD [pid 8042] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./158/bus" [pid 5001] close(3 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] unlink("./158/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./158") = 0 [pid 5000] mkdir("./159", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8045 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8046 ./strace-static-x86_64: Process 8045 attached [pid 8045] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8045] chdir("./159") = 0 [pid 8045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8045] setpgid(0, 0) = 0 [pid 8045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8045] write(3, "1000", 4) = 4 [pid 8045] close(3) = 0 [pid 8045] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 8046 attached [pid 8046] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8046] chdir("./158") = 0 [pid 8046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8045] <... symlink resumed>) = 0 [pid 8046] <... prctl resumed>) = 0 [pid 8045] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8046] setpgid(0, 0 [pid 8045] <... futex resumed>) = 0 [pid 8045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8045] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8045] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8047], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8047 [pid 8045] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8046] <... setpgid resumed>) = 0 [pid 8045] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8046] write(3, "1000", 4) = 4 [pid 8046] close(3) = 0 [pid 8046] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 8047 attached [pid 8044] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8047] set_robust_list(0x7f6a589f59e0, 24 [pid 8046] <... symlink resumed>) = 0 [pid 8047] <... set_robust_list resumed>) = 0 [pid 8047] memfd_create("syzkaller", 0 [pid 8046] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8047] <... memfd_create resumed>) = 3 [pid 8046] <... futex resumed>) = 0 [pid 8047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8046] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8046] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8048], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8048 [pid 8046] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8048 attached [pid 8048] set_robust_list(0x7f6a589f59e0, 24 [pid 8046] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8048] <... set_robust_list resumed>) = 0 [pid 8048] memfd_create("syzkaller", 0) = 3 [pid 8048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8042] <... write resumed>) = 4194304 [pid 8048] <... mmap resumed>) = 0x7f6a505d5000 [pid 8042] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8042] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8042] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8042] close(3) = 0 [pid 8042] mkdir("./bus", 0777) = 0 [pid 8042] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8048] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8047] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8044] <... write resumed>) = 4194304 [pid 8044] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8044] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 194.910828][ T8042] loop1: detected capacity change from 0 to 8192 [ 194.935052][ T8042] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8044] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8044] close(3) = 0 [pid 8044] mkdir("./bus", 0777) = 0 [ 194.962090][ T8044] loop0: detected capacity change from 0 to 8192 [ 194.965171][ T8042] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 194.990871][ T8044] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 194.991702][ T8042] REISERFS (device loop1): using ordered data mode [pid 8044] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8048] <... write resumed>) = 4194304 [pid 8048] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8047] <... write resumed>) = 4194304 [pid 8048] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8048] ioctl(4, LOOP_SET_FD, 3 [pid 8047] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8047] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 195.011124][ T8042] reiserfs: using flush barriers [ 195.014151][ T8044] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 195.021768][ T8048] loop4: detected capacity change from 0 to 8192 [ 195.025601][ T8044] REISERFS (device loop0): using ordered data mode [ 195.033194][ T8042] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 195.038335][ T8044] reiserfs: using flush barriers [pid 8047] ioctl(4, LOOP_SET_FD, 3 [pid 8048] <... ioctl resumed>) = 0 [pid 8048] close(3) = 0 [pid 8048] mkdir("./bus", 0777) = 0 [pid 8048] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8047] <... ioctl resumed>) = 0 [pid 8047] close(3) = 0 [pid 8047] mkdir("./bus", 0777) = 0 [ 195.060779][ T8044] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 195.061189][ T8047] loop3: detected capacity change from 0 to 8192 [ 195.077265][ T8044] REISERFS (device loop0): checking transaction log (loop0) [ 195.089972][ T8042] REISERFS (device loop1): checking transaction log (loop1) [ 195.091939][ T8044] REISERFS (device loop0): Using r5 hash to sort names [pid 8047] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8044] <... mount resumed>) = 0 [pid 8044] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 195.105884][ T8044] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 195.106025][ T8048] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 195.118695][ T8044] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 195.142184][ T8047] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 195.155632][ T8042] REISERFS (device loop1): Using r5 hash to sort names [pid 8044] chdir("./bus") = 0 [pid 8044] ioctl(4, LOOP_CLR_FD) = 0 [ 195.162831][ T8048] REISERFS (device loop4): Using r5 hash to sort names [ 195.164022][ T8047] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 195.170162][ T8048] REISERFS (device loop4): using ordered data mode [ 195.180953][ T8042] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 195.185813][ T8048] reiserfs: using flush barriers [ 195.199941][ T8047] REISERFS (device loop3): using ordered data mode [pid 8044] close(4) = 0 [pid 8042] <... mount resumed>) = 0 [pid 8044] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8042] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8044] <... futex resumed>) = 1 [pid 8043] <... futex resumed>) = 0 [pid 8042] <... openat resumed>) = 3 [pid 8044] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8043] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8042] chdir("./bus" [pid 8044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8043] <... futex resumed>) = 0 [pid 8044] mkdir("./file1", 000 [pid 8042] <... chdir resumed>) = 0 [pid 8043] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8044] <... mkdir resumed>) = 0 [pid 8042] ioctl(4, LOOP_CLR_FD [pid 8044] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8042] <... ioctl resumed>) = 0 [pid 8044] <... futex resumed>) = 1 [pid 8043] <... futex resumed>) = 0 [pid 8042] close(4 [pid 8044] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8043] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8042] <... close resumed>) = 0 [ 195.204444][ T8042] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 195.211596][ T8047] reiserfs: using flush barriers [ 195.219256][ T8048] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 195.226516][ T8047] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 195.250071][ T8048] REISERFS (device loop4): checking transaction log (loop4) [pid 8044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8043] <... futex resumed>) = 0 [pid 8042] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] mkdir("./bus", 000 [pid 8043] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8042] <... futex resumed>) = 1 [pid 8044] <... mkdir resumed>) = 0 [pid 8042] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8041] <... futex resumed>) = 0 [pid 8044] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8043] <... futex resumed>) = 0 [pid 8041] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8043] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8043] <... futex resumed>) = 0 [pid 8044] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8043] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8041] <... futex resumed>) = 1 [pid 8042] <... futex resumed>) = 0 [pid 8041] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 195.258423][ T8047] REISERFS (device loop3): checking transaction log (loop3) [ 195.275119][ T8047] REISERFS (device loop3): Using r5 hash to sort names [ 195.285686][ T8044] overlayfs: upper fs needs to support d_type. [ 195.286149][ T8047] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 195.295363][ T8044] overlayfs: upper fs does not support tmpfile. [pid 8042] mkdir("./file1", 000) = 0 [pid 8042] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8042] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8041] <... futex resumed>) = 0 [pid 8041] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8041] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8042] <... futex resumed>) = 0 [pid 8043] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8042] mkdir("./bus", 000 [pid 8043] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8042] <... mkdir resumed>) = 0 [pid 8047] <... mount resumed>) = 0 [pid 8047] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8047] chdir("./bus") = 0 [pid 8047] ioctl(4, LOOP_CLR_FD) = 0 [pid 8047] close(4) = 0 [pid 8047] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8045] <... futex resumed>) = 0 [pid 8045] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8045] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8047] <... futex resumed>) = 1 [pid 8047] mkdir("./file1", 000) = 0 [pid 8047] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8045] <... futex resumed>) = 0 [pid 8045] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8045] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8047] <... futex resumed>) = 1 [pid 8043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8047] mkdir("./bus", 000) = 0 [pid 8047] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8045] <... futex resumed>) = 0 [pid 8045] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8045] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8047] <... futex resumed>) = 1 [pid 8047] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8043] <... mmap resumed>) = 0x7f6a509b4000 [ 195.306250][ T8047] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 195.312583][ T8048] REISERFS (device loop4): Using r5 hash to sort names [ 195.328174][ T8044] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 195.336169][ T8048] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 195.354763][ T8047] overlayfs: upper fs needs to support d_type. [pid 8042] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8043] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8042] <... futex resumed>) = 1 [pid 8041] <... futex resumed>) = 0 [pid 8043] <... mprotect resumed>) = 0 [pid 8042] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8041] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8043] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8041] <... futex resumed>) = 0 [pid 8041] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8043] <... clone resumed>, parent_tid=[8053], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8053 [pid 8043] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8043] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8053 attached [pid 8044] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8053] set_robust_list(0x7f6a509d49e0, 24 [pid 8045] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8045] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8045] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8045] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8054], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8054 [pid 8045] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8045] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8048] <... mount resumed>) = 0 [pid 8048] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8048] chdir("./bus" [pid 8044] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8048] <... chdir resumed>) = 0 [pid 8053] <... set_robust_list resumed>) = 0 [pid 8044] <... futex resumed>) = 0 [pid 8053] mkdir(".", 0777 [pid 8044] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8053] <... mkdir resumed>) = -1 EEXIST (File exists) [ 195.360792][ T8044] overlayfs: failed to resolve './file0': -2 [ 195.362289][ T8047] overlayfs: upper fs does not support tmpfile. [ 195.375974][ T8048] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 195.376278][ T8042] overlayfs: upper fs needs to support d_type. [ 195.394044][ T8047] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 195.401458][ T8042] overlayfs: upper fs does not support tmpfile. [pid 8048] ioctl(4, LOOP_CLR_FD) = 0 [pid 8048] close(4) = 0 [pid 8048] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8046] <... futex resumed>) = 0 [pid 8046] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8046] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8048] <... futex resumed>) = 1 [pid 8048] mkdir("./file1", 000) = 0 [pid 8048] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8053] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8046] <... futex resumed>) = 0 [pid 8046] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8046] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8048] <... futex resumed>) = 1 [pid 8048] mkdir("./bus", 000) = 0 [pid 8048] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8046] <... futex resumed>) = 0 [pid 8046] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8046] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8048] <... futex resumed>) = 1 ./strace-static-x86_64: Process 8054 attached [pid 8048] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8041] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8054] set_robust_list(0x7f6a509d49e0, 24 [pid 8041] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8054] <... set_robust_list resumed>) = 0 [pid 8041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8054] mkdir(".", 0777 [pid 8041] <... mmap resumed>) = 0x7f6a509b4000 [pid 8054] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8054] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8041] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8041] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8055], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8055 [pid 8041] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 195.409353][ T8042] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 195.429747][ T8053] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 195.430226][ T8048] overlayfs: upper fs needs to support d_type. [ 195.451832][ T8042] overlayfs: failed to resolve './file0': -2 [pid 8041] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8055 attached [pid 8053] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8046] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8046] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8046] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8046] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8056], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8056 [pid 8046] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8046] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8056 attached [pid 8056] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8056] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8056] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8055] set_robust_list(0x7f6a509d49e0, 24 [pid 8053] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] <... set_robust_list resumed>) = 0 [pid 8053] <... futex resumed>) = 1 [pid 8043] <... futex resumed>) = 0 [pid 8042] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8055] mkdir(".", 0777 [pid 8053] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8043] exit_group(0 [pid 8042] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8054] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8053] <... futex resumed>) = ? [pid 8044] <... futex resumed>) = ? [pid 8043] <... exit_group resumed>) = ? [pid 8042] <... futex resumed>) = 0 [pid 8055] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8053] +++ exited with 0 +++ [pid 8044] +++ exited with 0 +++ [pid 8043] +++ exited with 0 +++ [pid 8042] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8043, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 4997] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8054] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 195.465246][ T8054] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 195.468747][ T8048] overlayfs: upper fs does not support tmpfile. [ 195.488964][ T8048] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 195.493772][ T8056] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8054] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8056] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8045] <... futex resumed>) = 0 [pid 8056] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8056] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8055] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8046] <... futex resumed>) = 0 [pid 8055] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8041] <... futex resumed>) = 0 [pid 8041] exit_group(0) = ? [pid 8055] <... futex resumed>) = ? [pid 8055] +++ exited with 0 +++ [pid 8042] <... futex resumed>) = ? [pid 8042] +++ exited with 0 +++ [pid 8041] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8041, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./158/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./158/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(4, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./158/bus" [pid 4998] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./158/binderfs", [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./158/binderfs") = 0 [ 195.502781][ T8047] overlayfs: failed to resolve './file0': -2 [ 195.518516][ T8048] overlayfs: failed to resolve './file0': -2 [ 195.520166][ T8055] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3 [pid 8048] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8047] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8048] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8047] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8045] exit_group(0 [pid 8047] <... futex resumed>) = ? [pid 8045] <... exit_group resumed>) = ? [pid 8047] +++ exited with 0 +++ [pid 4997] <... close resumed>) = 0 [pid 8054] <... futex resumed>) = ? [pid 4997] rmdir("./158" [pid 8046] exit_group(0) = ? [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./159", 0777 [pid 8056] <... futex resumed>) = ? [pid 8054] +++ exited with 0 +++ [pid 8048] <... futex resumed>) = ? [pid 8045] +++ exited with 0 +++ [pid 4997] <... mkdir resumed>) = 0 [pid 8056] +++ exited with 0 +++ [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 8048] +++ exited with 0 +++ [pid 8046] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8046, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8045, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 4997] <... close resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... restart_syscall resumed>) = 0 [pid 5001] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8057 [pid 5001] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] getdents64(3, [pid 5000] <... openat resumed>) = 3 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] fstat(3, [pid 5001] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, ./strace-static-x86_64: Process 8057 attached [pid 8057] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8057] chdir("./159" [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8057] <... chdir resumed>) = 0 [pid 8057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8057] <... prctl resumed>) = 0 [pid 8057] setpgid(0, 0) = 0 [pid 8057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8057] write(3, "1000", 4) = 4 [pid 8057] close(3) = 0 [pid 8057] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8057] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8057] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8057] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8058], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8058 [pid 8057] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8057] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8058 attached [pid 8058] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8058] memfd_create("syzkaller", 0) = 3 [pid 8058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./159/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./159/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./159/bus") = 0 [pid 4998] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./159/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./159") = 0 [pid 4998] mkdir("./160", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8059 ./strace-static-x86_64: Process 8059 attached [pid 8059] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8059] chdir("./160") = 0 [pid 8059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8059] setpgid(0, 0) = 0 [pid 8059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8058] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8059] <... openat resumed>) = 3 [pid 8059] write(3, "1000", 4 [pid 5000] <... umount2 resumed>) = 0 [pid 8059] <... write resumed>) = 4 [pid 5000] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8059] close(3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8059] <... close resumed>) = 0 [pid 5000] lstat("./159/bus", [pid 8059] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8059] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8059] <... futex resumed>) = 0 [pid 5000] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8059] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] openat(AT_FDCWD, "./159/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8059] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8059] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... openat resumed>) = 4 [pid 8059] <... clone resumed>, parent_tid=[8060], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8060 [pid 5000] fstat(4, [pid 8059] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 8060 attached [pid 8059] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... umount2 resumed>) = 0 [pid 5000] getdents64(4, [pid 8060] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8060] memfd_create("syzkaller", 0) = 3 [pid 5001] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] getdents64(4, [pid 5001] lstat("./158/bus", [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] close(4 [pid 5001] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... close resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] rmdir("./159/bus") = 0 [pid 5001] openat(AT_FDCWD, "./158/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... openat resumed>) = 4 [pid 5000] unlink("./159/binderfs" [pid 5001] fstat(4, [pid 5000] <... unlink resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] getdents64(4, [pid 5000] close(3) = 0 [pid 5000] rmdir("./159" [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] <... rmdir resumed>) = 0 [pid 5001] getdents64(4, [pid 5000] mkdir("./160", 0777 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 5001] close(4) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] rmdir("./158/bus") = 0 [pid 5000] <... openat resumed>) = 3 [pid 5001] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8060] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5001] lstat("./158/binderfs", [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] close(3 [pid 5001] unlink("./158/binderfs") = 0 [pid 5000] <... close resumed>) = 0 [pid 5001] getdents64(3, [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8061 [pid 5001] rmdir("./158") = 0 [pid 5001] mkdir("./159", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 8061 attached [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8062 [pid 8058] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 8062 attached [pid 8061] set_robust_list(0x5555564f86e0, 24 [pid 8058] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8058] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8061] <... set_robust_list resumed>) = 0 [pid 8062] set_robust_list(0x5555564f86e0, 24 [pid 8061] chdir("./160" [pid 8058] <... openat resumed>) = 4 [pid 8058] ioctl(4, LOOP_SET_FD, 3 [pid 8062] <... set_robust_list resumed>) = 0 [pid 8061] <... chdir resumed>) = 0 [pid 8062] chdir("./159" [pid 8061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8061] setpgid(0, 0 [pid 8062] <... chdir resumed>) = 0 [pid 8058] <... ioctl resumed>) = 0 [pid 8058] close(3 [pid 8061] <... setpgid resumed>) = 0 [pid 8062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8058] <... close resumed>) = 0 [pid 8058] mkdir("./bus", 0777) = 0 [pid 8061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8062] <... prctl resumed>) = 0 [pid 8058] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8062] setpgid(0, 0) = 0 [pid 8062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8061] <... openat resumed>) = 3 [pid 8061] write(3, "1000", 4) = 4 [pid 8061] close(3) = 0 [pid 8062] <... openat resumed>) = 3 [pid 8061] symlink("/dev/binderfs", "./binderfs" [pid 8062] write(3, "1000", 4) = 4 [pid 8061] <... symlink resumed>) = 0 [pid 8060] <... write resumed>) = 4194304 [pid 8062] close(3 [pid 8061] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8062] <... close resumed>) = 0 [pid 8061] <... futex resumed>) = 0 [pid 8062] symlink("/dev/binderfs", "./binderfs" [pid 8061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8062] <... symlink resumed>) = 0 [pid 8061] <... mmap resumed>) = 0x7f6a589d5000 [pid 8062] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8061] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8062] <... futex resumed>) = 0 [pid 8061] <... mprotect resumed>) = 0 [pid 8062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8061] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8062] <... mmap resumed>) = 0x7f6a589d5000 [pid 8062] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8061] <... clone resumed>, parent_tid=[8064], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8064 [pid 8062] <... mprotect resumed>) = 0 [pid 8061] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8062] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8061] <... futex resumed>) = 0 [pid 8061] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8062] <... clone resumed>, parent_tid=[8065], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8065 [pid 8062] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8062] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8060] munmap(0x7f6a505d5000, 4194304./strace-static-x86_64: Process 8064 attached ) = 0 [pid 8060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 195.752777][ T8058] loop0: detected capacity change from 0 to 8192 [ 195.768221][ T8058] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 195.782231][ T8058] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 195.792319][ T8058] REISERFS (device loop0): using ordered data mode [pid 8060] ioctl(4, LOOP_SET_FD, 3 [pid 8064] set_robust_list(0x7f6a589f59e0, 24./strace-static-x86_64: Process 8065 attached [pid 8065] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8065] memfd_create("syzkaller", 0) = 3 [pid 8065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8064] <... set_robust_list resumed>) = 0 [pid 8064] memfd_create("syzkaller", 0) = 3 [pid 8064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8060] <... ioctl resumed>) = 0 [pid 8060] close(3) = 0 [pid 8060] mkdir("./bus", 0777) = 0 [ 195.796687][ T8060] loop1: detected capacity change from 0 to 8192 [ 195.799540][ T8058] reiserfs: using flush barriers [ 195.819209][ T8058] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8060] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 195.841384][ T8060] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 195.848436][ T8058] REISERFS (device loop0): checking transaction log (loop0) [ 195.873133][ T8060] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 195.887839][ T8060] REISERFS (device loop1): using ordered data mode [ 195.895117][ T8060] reiserfs: using flush barriers [pid 8065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 8065] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8065] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8065] ioctl(4, LOOP_SET_FD, 3 [pid 8064] <... write resumed>) = 4194304 [pid 8065] <... ioctl resumed>) = 0 [pid 8065] close(3) = 0 [pid 8065] mkdir("./bus", 0777) = 0 [ 195.895275][ T8058] REISERFS (device loop0): Using r5 hash to sort names [ 195.907542][ T8060] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 195.909071][ T8058] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 195.929712][ T8065] loop4: detected capacity change from 0 to 8192 [ 195.938200][ T8060] REISERFS (device loop1): checking transaction log (loop1) [pid 8065] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8064] munmap(0x7f6a505d5000, 4194304 [pid 8058] <... mount resumed>) = 0 [pid 8058] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8058] chdir("./bus") = 0 [pid 8058] ioctl(4, LOOP_CLR_FD) = 0 [pid 8058] close(4) = 0 [pid 8058] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8058] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8064] <... munmap resumed>) = 0 [pid 8057] <... futex resumed>) = 0 [pid 8064] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8057] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8064] <... openat resumed>) = 4 [pid 8057] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8064] ioctl(4, LOOP_SET_FD, 3 [ 195.946550][ T8058] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 195.951869][ T8060] REISERFS (device loop1): Using r5 hash to sort names [ 195.965750][ T8065] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 195.981460][ T8064] loop3: detected capacity change from 0 to 8192 [ 195.981627][ T8065] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 195.997350][ T8065] REISERFS (device loop4): using ordered data mode [pid 8058] <... futex resumed>) = 0 [pid 8064] <... ioctl resumed>) = 0 [pid 8064] close(3 [pid 8058] mkdir("./file1", 000 [pid 8064] <... close resumed>) = 0 [pid 8064] mkdir("./bus", 0777) = 0 [pid 8064] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8058] <... mkdir resumed>) = 0 [pid 8058] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8058] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8060] <... mount resumed>) = 0 [pid 8057] <... futex resumed>) = 0 [pid 8057] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8058] <... futex resumed>) = 0 [pid 8057] <... futex resumed>) = 1 [pid 8058] mkdir("./bus", 000 [pid 8057] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8058] <... mkdir resumed>) = 0 [pid 8058] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8057] <... futex resumed>) = 0 [pid 8058] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8057] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8057] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8060] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8060] chdir("./bus") = 0 [pid 8060] ioctl(4, LOOP_CLR_FD) = 0 [pid 8060] close(4) = 0 [pid 8060] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 196.004832][ T8060] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 196.005625][ T8065] reiserfs: using flush barriers [ 196.018612][ T8060] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 196.028407][ T8065] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8060] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8059] <... futex resumed>) = 0 [pid 8059] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8060] <... futex resumed>) = 0 [pid 8059] <... futex resumed>) = 1 [pid 8060] mkdir("./file1", 000 [pid 8059] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8060] <... mkdir resumed>) = 0 [pid 8060] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8059] <... futex resumed>) = 0 [pid 8060] mkdir("./bus", 000 [pid 8059] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8060] <... mkdir resumed>) = 0 [pid 8059] <... futex resumed>) = 0 [pid 8060] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8059] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8060] <... futex resumed>) = 0 [pid 8059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8060] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8059] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8059] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8057] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8057] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [ 196.048520][ T8065] REISERFS (device loop4): checking transaction log (loop4) [ 196.049303][ T8058] overlayfs: upper fs needs to support d_type. [ 196.062785][ T8064] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 196.065837][ T8058] overlayfs: upper fs does not support tmpfile. [ 196.078024][ T8065] REISERFS (device loop4): Using r5 hash to sort names [ 196.083473][ T8060] overlayfs: upper fs needs to support d_type. [pid 8057] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8057] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8069], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8069 [pid 8057] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8057] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8059] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8059] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 196.100110][ T8060] overlayfs: upper fs does not support tmpfile. [ 196.102593][ T8065] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 196.112416][ T8058] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 196.126741][ T8064] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 196.128666][ T8058] overlayfs: failed to resolve './file0': -2 [ 196.137296][ T8060] overlayfs: upper fs does not support RENAME_WHITEOUT. ./strace-static-x86_64: Process 8069 attached [pid 8059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8065] <... mount resumed>) = 0 [pid 8065] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8065] chdir("./bus") = 0 [pid 8065] ioctl(4, LOOP_CLR_FD) = 0 [pid 8065] close(4 [pid 8069] set_robust_list(0x7f6a509d49e0, 24 [pid 8059] <... mmap resumed>) = 0x7f6a509b4000 [pid 8069] <... set_robust_list resumed>) = 0 [pid 8059] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8058] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8058] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8058] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8065] <... close resumed>) = 0 [pid 8065] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8065] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8059] <... mprotect resumed>) = 0 [pid 8062] <... futex resumed>) = 0 [pid 8059] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8062] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8065] <... futex resumed>) = 0 [pid 8065] mkdir("./file1", 000) = 0 [pid 8065] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8065] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8062] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8059] <... clone resumed>, parent_tid=[8070], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8070 [pid 8062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8062] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8059] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8062] <... futex resumed>) = 1 [pid 8059] <... futex resumed>) = 0 [pid 8062] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8065] <... futex resumed>) = 0 [pid 8059] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8065] mkdir("./bus", 000) = 0 [pid 8065] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8060] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8065] <... futex resumed>) = 1 [pid 8062] <... futex resumed>) = 0 [pid 8060] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8062] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8065] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8062] <... futex resumed>) = 0 [pid 8060] <... futex resumed>) = 0 [pid 8069] mkdir(".", 0777 [pid 8062] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8060] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8070 attached [pid 8069] <... mkdir resumed>) = -1 EEXIST (File exists) [ 196.142805][ T8065] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 196.158448][ T8064] REISERFS (device loop3): using ordered data mode [ 196.166107][ T8064] reiserfs: using flush barriers [ 196.172183][ T8060] overlayfs: failed to resolve './file0': -2 [ 196.187947][ T8065] overlayfs: upper fs needs to support d_type. [ 196.194231][ T8065] overlayfs: upper fs does not support tmpfile. [pid 8070] set_robust_list(0x7f6a509d49e0, 24 [pid 8069] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8070] <... set_robust_list resumed>) = 0 [pid 8062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8062] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8062] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8062] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8071], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8071 [pid 8062] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8062] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8071 attached [pid 8071] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8071] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8071] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8070] mkdir(".", 0777) = -1 EEXIST (File exists) [ 196.196893][ T8064] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 196.202585][ T8065] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 196.218291][ T8064] REISERFS (device loop3): checking transaction log (loop3) [ 196.225787][ T8065] overlayfs: failed to resolve './file0': -2 [ 196.235198][ T8069] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8070] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8069] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8065] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8065] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8069] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8069] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8071] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8065] <... futex resumed>) = 0 [pid 8057] <... futex resumed>) = 0 [pid 8065] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8057] exit_group(0) = ? [pid 8069] <... futex resumed>) = ? [pid 8058] <... futex resumed>) = ? [pid 8069] +++ exited with 0 +++ [pid 8071] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8058] +++ exited with 0 +++ [pid 8057] +++ exited with 0 +++ [pid 8071] <... futex resumed>) = 1 [pid 8062] <... futex resumed>) = 0 [pid 8071] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8064] <... mount resumed>) = 0 [pid 8062] exit_group(0 [pid 8065] <... futex resumed>) = ? [pid 8062] <... exit_group resumed>) = ? [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8057, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- [pid 8065] +++ exited with 0 +++ [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8064] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8071] <... futex resumed>) = ? [ 196.246811][ T8064] REISERFS (device loop3): Using r5 hash to sort names [ 196.256576][ T8071] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 196.259845][ T8064] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 196.288312][ T8064] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8064] <... openat resumed>) = 3 [pid 8064] chdir("./bus") = 0 [pid 8064] ioctl(4, LOOP_CLR_FD) = 0 [pid 8064] close(4 [pid 8071] +++ exited with 0 +++ [pid 8070] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8064] <... close resumed>) = 0 [pid 8062] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8062, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8070] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8070] <... futex resumed>) = 1 [pid 8059] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8070] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8059] exit_group(0 [pid 8070] <... futex resumed>) = ? [pid 8060] <... futex resumed>) = ? [pid 8059] <... exit_group resumed>) = ? [pid 5001] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8070] +++ exited with 0 +++ [pid 8060] +++ exited with 0 +++ [pid 8059] +++ exited with 0 +++ [pid 5001] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8059, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8064] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8064] <... futex resumed>) = 1 [pid 8061] <... futex resumed>) = 0 [pid 5001] getdents64(3, [pid 8064] mkdir("./file1", 000 [pid 8061] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8064] <... mkdir resumed>) = 0 [pid 8061] <... futex resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8064] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8061] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8064] <... futex resumed>) = 0 [pid 8061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8064] mkdir("./bus", 000 [pid 8061] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8064] <... mkdir resumed>) = 0 [pid 8061] <... futex resumed>) = 0 [pid 8064] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8061] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8064] <... futex resumed>) = 0 [pid 8061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8064] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8061] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4998] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8061] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 196.300293][ T8070] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 196.330580][ T8064] overlayfs: upper fs needs to support d_type. [ 196.338383][ T8064] overlayfs: upper fs does not support tmpfile. [ 196.345499][ T8064] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 4998] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8061] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8061] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 8061] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8061] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8061] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8072], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8072 [pid 8061] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8061] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8072 attached [pid 8072] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8072] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8072] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4997] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./159/bus", [pid 8064] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8064] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4997] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8064] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./159/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [ 196.378752][ T8064] overlayfs: failed to resolve './file0': -2 [pid 4997] rmdir("./159/bus" [pid 5001] <... umount2 resumed>) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./159/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./159") = 0 [pid 4997] mkdir("./160", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8073 [pid 5001] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./159/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./159/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./159/bus") = 0 [pid 5001] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./159/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./159") = 0 [pid 4998] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] mkdir("./160", 0777) = 0 [pid 4998] lstat("./160/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8074 ./strace-static-x86_64: Process 8074 attached [pid 8074] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8074] chdir("./160") = 0 [pid 8074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8074] setpgid(0, 0) = 0 [pid 8074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8074] write(3, "1000", 4) = 4 [pid 8074] close(3) = 0 [pid 8074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8074] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8074] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8074] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8075], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8075 [pid 8074] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8074] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8075 attached [pid 8075] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8075] memfd_create("syzkaller", 0) = 3 [pid 8075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] openat(AT_FDCWD, "./160/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8073 attached ) = 4 [pid 8073] set_robust_list(0x5555564f86e0, 24 [pid 4998] fstat(4, [pid 8073] <... set_robust_list resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, [pid 8073] chdir("./160" [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8073] <... chdir resumed>) = 0 [pid 8073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] close(4 [pid 8073] <... prctl resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./160/bus" [pid 8073] setpgid(0, 0 [pid 4998] <... rmdir resumed>) = 0 [pid 8073] <... setpgid resumed>) = 0 [pid 4998] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./160/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./160" [pid 8073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... rmdir resumed>) = 0 [pid 4998] mkdir("./161", 0777 [pid 8073] <... openat resumed>) = 3 [pid 8072] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... mkdir resumed>) = 0 [pid 8073] write(3, "1000", 4 [pid 8072] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8073] <... write resumed>) = 4 [pid 8072] <... futex resumed>) = 1 [pid 4998] <... openat resumed>) = 3 [pid 8061] <... futex resumed>) = 0 [pid 8073] close(3 [pid 8072] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] ioctl(3, LOOP_CLR_FD [pid 8061] exit_group(0 [pid 8073] <... close resumed>) = 0 [pid 8072] <... futex resumed>) = ? [pid 8064] <... futex resumed>) = ? [pid 8061] <... exit_group resumed>) = ? [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8064] +++ exited with 0 +++ [pid 8072] +++ exited with 0 +++ [pid 8073] symlink("/dev/binderfs", "./binderfs" [pid 8061] +++ exited with 0 +++ [pid 8073] <... symlink resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8061, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8073] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8073] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8076 [pid 8073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... openat resumed>) = 3 [pid 8073] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] fstat(3, [pid 8073] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 196.430090][ T8072] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8073] <... mprotect resumed>) = 0 [pid 5000] getdents64(3, [pid 8073] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8073] <... clone resumed>, parent_tid=[8077], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8077 [pid 8073] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8073] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8076 attached [pid 8076] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8076] chdir("./161") = 0 [pid 8076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8076] setpgid(0, 0) = 0 [pid 8076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 8077 attached [pid 8077] set_robust_list(0x7f6a589f59e0, 24 [pid 8076] write(3, "1000", 4 [pid 8077] <... set_robust_list resumed>) = 0 [pid 8076] <... write resumed>) = 4 [pid 8077] memfd_create("syzkaller", 0 [pid 8076] close(3 [pid 8077] <... memfd_create resumed>) = 3 [pid 8077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8076] <... close resumed>) = 0 [pid 8077] <... mmap resumed>) = 0x7f6a505d5000 [pid 8076] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8076] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8076] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8076] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8078], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8078 [pid 8076] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8076] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8078 attached [pid 8078] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8078] memfd_create("syzkaller", 0) = 3 [pid 8078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8077] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8075] <... write resumed>) = 4194304 [pid 8075] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8075] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8075] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./160/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./160/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 8075] <... ioctl resumed>) = 0 [pid 8075] close(3 [pid 5000] close(4) = 0 [pid 8075] <... close resumed>) = 0 [pid 5000] rmdir("./160/bus" [pid 8075] mkdir("./bus", 0777 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8075] <... mkdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./160/binderfs", [pid 8075] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./160/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./160") = 0 [pid 5000] mkdir("./161", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 8078] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 196.563295][ T8075] loop4: detected capacity change from 0 to 8192 [ 196.596047][ T8075] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5000] close(3 [pid 8077] <... write resumed>) = 4194304 [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8080 ./strace-static-x86_64: Process 8080 attached [pid 8080] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8080] chdir("./161") = 0 [pid 8080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8080] setpgid(0, 0) = 0 [pid 8080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8077] munmap(0x7f6a505d5000, 4194304 [pid 8080] write(3, "1000", 4) = 4 [pid 8080] close(3) = 0 [pid 8080] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8080] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8080] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8080] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8081], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8081 [pid 8080] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8080] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8077] <... munmap resumed>) = 0 [pid 8077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8077] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 8081 attached [pid 8081] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8081] memfd_create("syzkaller", 0) = 3 [pid 8081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8081] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8077] <... ioctl resumed>) = 0 [pid 8077] close(3) = 0 [pid 8077] mkdir("./bus", 0777) = 0 [ 196.609755][ T8075] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 196.619421][ T8075] REISERFS (device loop4): using ordered data mode [ 196.627844][ T8075] reiserfs: using flush barriers [ 196.634366][ T8077] loop0: detected capacity change from 0 to 8192 [ 196.640839][ T8075] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8077] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8078] <... write resumed>) = 4194304 [pid 8078] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8078] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 196.677586][ T8075] REISERFS (device loop4): checking transaction log (loop4) [ 196.690570][ T8075] REISERFS (device loop4): Using r5 hash to sort names [ 196.699958][ T8075] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 196.700074][ T8077] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8078] ioctl(4, LOOP_SET_FD, 3 [pid 8081] <... write resumed>) = 4194304 [pid 8081] munmap(0x7f6a505d5000, 4194304 [pid 8075] <... mount resumed>) = 0 [pid 8078] <... ioctl resumed>) = 0 [pid 8078] close(3) = 0 [pid 8078] mkdir("./bus", 0777 [pid 8081] <... munmap resumed>) = 0 [pid 8075] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8075] chdir("./bus" [pid 8081] <... openat resumed>) = 4 [pid 8078] <... mkdir resumed>) = 0 [pid 8078] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8075] <... chdir resumed>) = 0 [pid 8075] ioctl(4, LOOP_CLR_FD) = 0 [pid 8075] close(4 [pid 8081] ioctl(4, LOOP_SET_FD, 3 [pid 8075] <... close resumed>) = 0 [ 196.712682][ T8075] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 196.726802][ T8078] loop1: detected capacity change from 0 to 8192 [ 196.735222][ T8077] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 196.753299][ T8077] REISERFS (device loop0): using ordered data mode [ 196.759888][ T8077] reiserfs: using flush barriers [ 196.765326][ T8081] loop3: detected capacity change from 0 to 8192 [pid 8075] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8081] <... ioctl resumed>) = 0 [pid 8081] close(3) = 0 [pid 8081] mkdir("./bus", 0777) = 0 [pid 8081] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8075] <... futex resumed>) = 1 [pid 8074] <... futex resumed>) = 0 [pid 8075] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8074] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8074] <... futex resumed>) = 0 [pid 8075] mkdir("./file1", 000 [pid 8074] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8075] <... mkdir resumed>) = 0 [pid 8075] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8074] <... futex resumed>) = 0 [pid 8075] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8074] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8074] <... futex resumed>) = 0 [pid 8075] mkdir("./bus", 000 [pid 8074] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8075] <... mkdir resumed>) = 0 [pid 8075] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8074] <... futex resumed>) = 0 [pid 8075] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8074] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8074] <... futex resumed>) = 0 [ 196.766573][ T8077] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 196.788198][ T8077] REISERFS (device loop0): checking transaction log (loop0) [ 196.798379][ T8078] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 196.800748][ T8077] REISERFS (device loop0): Using r5 hash to sort names [ 196.811836][ T8078] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8075] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 196.818437][ T8081] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 196.831344][ T8078] REISERFS (device loop1): using ordered data mode [ 196.840578][ T8081] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 196.847904][ T8075] overlayfs: upper fs needs to support d_type. [ 196.856188][ T8081] REISERFS (device loop3): using ordered data mode [pid 8074] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8074] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8074] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8074] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8085], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8085 [pid 8074] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8074] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8085 attached [ 196.863408][ T8077] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 196.881592][ T8081] reiserfs: using flush barriers [ 196.886600][ T8081] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 196.892173][ T8078] reiserfs: using flush barriers [ 196.903013][ T8081] REISERFS (device loop3): checking transaction log (loop3) [ 196.909270][ T8075] overlayfs: upper fs does not support tmpfile. [ 196.915754][ T8081] REISERFS (device loop3): Using r5 hash to sort names [pid 8085] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8085] mkdir(".", 0777 [pid 8077] <... mount resumed>) = 0 [pid 8077] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8077] chdir("./bus") = 0 [pid 8077] ioctl(4, LOOP_CLR_FD) = 0 [pid 8077] close(4 [pid 8085] <... mkdir resumed>) = -1 EEXIST (File exists) [ 196.923662][ T8077] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 196.928458][ T8081] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 196.938974][ T8078] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 196.950115][ T8081] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8085] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8077] <... close resumed>) = 0 [pid 8077] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8077] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8073] <... futex resumed>) = 0 [pid 8073] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8081] <... mount resumed>) = 0 [pid 8077] <... futex resumed>) = 0 [pid 8073] <... futex resumed>) = 1 [pid 8081] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8073] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8081] <... openat resumed>) = 3 [pid 8077] mkdir("./file1", 000) = 0 [pid 8077] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8081] chdir("./bus" [pid 8077] <... futex resumed>) = 1 [pid 8073] <... futex resumed>) = 0 [pid 8081] <... chdir resumed>) = 0 [pid 8073] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8081] ioctl(4, LOOP_CLR_FD [pid 8073] <... futex resumed>) = 0 [pid 8081] <... ioctl resumed>) = 0 [pid 8077] mkdir("./bus", 000 [pid 8073] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8081] close(4) = 0 [pid 8077] <... mkdir resumed>) = 0 [pid 8077] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8077] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8085] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8081] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8073] <... futex resumed>) = 0 [pid 8081] <... futex resumed>) = 1 [pid 8080] <... futex resumed>) = 0 [pid 8073] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8081] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8080] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8073] <... futex resumed>) = 1 [pid 8081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8080] <... futex resumed>) = 0 [pid 8073] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8081] mkdir("./file1", 000 [pid 8080] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8081] <... mkdir resumed>) = 0 [pid 8077] <... futex resumed>) = 0 [ 196.975872][ T8075] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 196.987544][ T8085] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 196.992871][ T8078] REISERFS (device loop1): checking transaction log (loop1) [ 197.019269][ T8075] overlayfs: failed to resolve './file0': -2 [pid 8077] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8081] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] <... futex resumed>) = 0 [pid 8085] <... futex resumed>) = 1 [pid 8085] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8081] <... futex resumed>) = 1 [pid 8080] <... futex resumed>) = 0 [pid 8081] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8080] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8080] <... futex resumed>) = 0 [pid 8081] mkdir("./bus", 000 [pid 8080] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8081] <... mkdir resumed>) = 0 [pid 8081] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8080] <... futex resumed>) = 0 [pid 8081] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8080] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 197.028661][ T8077] overlayfs: upper fs needs to support d_type. [ 197.039767][ T8077] overlayfs: upper fs does not support tmpfile. [ 197.049081][ T8078] REISERFS (device loop1): Using r5 hash to sort names [ 197.049339][ T8081] overlayfs: upper fs needs to support d_type. [ 197.057472][ T8077] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 197.068130][ T8081] overlayfs: upper fs does not support tmpfile. [pid 8080] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8075] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8075] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8073] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8078] <... mount resumed>) = 0 [pid 8078] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8078] chdir("./bus") = 0 [pid 8078] ioctl(4, LOOP_CLR_FD) = 0 [pid 8078] close(4) = 0 [pid 8078] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8078] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8075] <... futex resumed>) = 0 [pid 8073] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8073] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8076] <... futex resumed>) = 0 [pid 8080] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8073] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8080] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8076] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8075] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8074] exit_group(0 [pid 8073] <... clone resumed>, parent_tid=[8086], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8086 [pid 8073] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8073] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8076] <... futex resumed>) = 1 [pid 8080] <... futex resumed>) = 0 [pid 8075] <... futex resumed>) = ? [pid 8074] <... exit_group resumed>) = ? [pid 8080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8076] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8075] +++ exited with 0 +++ [pid 8085] <... futex resumed>) = ? [pid 8078] <... futex resumed>) = 0 [pid 8080] <... mmap resumed>) = 0x7f6a509b4000 [pid 8085] +++ exited with 0 +++ [pid 8080] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8078] mkdir("./file1", 000 [pid 8074] +++ exited with 0 +++ [pid 8080] <... mprotect resumed>) = 0 [pid 8078] <... mkdir resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8074, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 8078] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8080] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8078] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8076] <... futex resumed>) = 0 [pid 8076] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8080] <... clone resumed>, parent_tid=[8087], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8087 [pid 8078] <... futex resumed>) = 0 [pid 8076] <... futex resumed>) = 1 [pid 8080] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [ 197.070463][ T8078] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 197.075831][ T8081] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 197.089004][ T8078] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 197.097430][ T8081] overlayfs: failed to resolve './file0': -2 [ 197.109578][ T8077] overlayfs: failed to resolve './file0': -2 [pid 8078] mkdir("./bus", 000 [pid 8076] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8080] <... futex resumed>) = 0 [pid 8078] <... mkdir resumed>) = 0 [pid 8080] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8078] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8076] <... futex resumed>) = 0 [pid 5001] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8078] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8076] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8076] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8078] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8076] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... openat resumed>) = 3 ./strace-static-x86_64: Process 8087 attached ./strace-static-x86_64: Process 8086 attached [pid 8087] set_robust_list(0x7f6a509d49e0, 24 [pid 8086] set_robust_list(0x7f6a509d49e0, 24 [pid 8087] <... set_robust_list resumed>) = 0 [pid 8086] <... set_robust_list resumed>) = 0 [pid 8087] mkdir(".", 0777 [pid 8086] mkdir(".", 0777 [pid 8087] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8086] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8077] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] fstat(3, [pid 8087] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8086] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8077] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8087] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8087] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8080] <... futex resumed>) = 0 [pid 8087] <... futex resumed>) = 1 [ 197.129204][ T8078] overlayfs: upper fs needs to support d_type. [ 197.135544][ T8078] overlayfs: upper fs does not support tmpfile. [ 197.148466][ T8087] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 197.153230][ T8078] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8087] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8081] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8077] <... futex resumed>) = 0 [pid 5001] getdents64(3, [pid 8086] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8086] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8086] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8081] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8081] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8077] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8080] exit_group(0 [pid 8087] <... futex resumed>) = ? [pid 8081] <... futex resumed>) = ? [pid 8080] <... exit_group resumed>) = ? [pid 8087] +++ exited with 0 +++ [pid 8081] +++ exited with 0 +++ [pid 8080] +++ exited with 0 +++ [pid 8076] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8076] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8073] <... futex resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8076] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8073] exit_group(0) = ? [pid 5001] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8080, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 8077] <... futex resumed>) = ? [pid 8076] <... mprotect resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 8077] +++ exited with 0 +++ [pid 8076] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... restart_syscall resumed>) = 0 [pid 8076] <... clone resumed>, parent_tid=[8088], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8088 ./strace-static-x86_64: Process 8088 attached [pid 8086] <... futex resumed>) = ? [pid 8076] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8076] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8086] +++ exited with 0 +++ [pid 8073] +++ exited with 0 +++ [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8078] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8078] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8078] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8088] set_robust_list(0x7f6a509d49e0, 24 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8073, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 8088] <... set_robust_list resumed>) = 0 [pid 8088] mkdir(".", 0777 [pid 4997] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8088] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4997] <... openat resumed>) = 3 [pid 4997] fstat(3, [pid 8088] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 197.170184][ T8086] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 197.171875][ T8078] overlayfs: failed to resolve './file0': -2 [pid 4997] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 5001] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8088] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8088] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] lstat("./160/bus", [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] lstat("./160/bus", [pid 5001] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8088] <... futex resumed>) = 1 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8076] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 4997] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8076] exit_group(0 [pid 5001] openat(AT_FDCWD, "./160/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8088] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8078] <... futex resumed>) = ? [pid 8076] <... exit_group resumed>) = ? [pid 5001] <... openat resumed>) = 4 [pid 4997] openat(AT_FDCWD, "./160/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8088] <... futex resumed>) = ? [pid 8078] +++ exited with 0 +++ [pid 5001] fstat(4, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... openat resumed>) = 4 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] lstat("./161/bus", [pid 4997] fstat(4, [pid 5001] getdents64(4, [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, [pid 5001] getdents64(4, [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8088] +++ exited with 0 +++ [pid 8076] +++ exited with 0 +++ [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8076, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [ 197.233281][ T8088] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] close(4 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] <... close resumed>) = 0 [pid 4997] close(4 [pid 5001] rmdir("./160/bus" [pid 5000] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./161/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... rmdir resumed>) = 0 [pid 4997] rmdir("./160/bus" [pid 5000] <... openat resumed>) = 4 [pid 5000] fstat(4, [pid 5001] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... rmdir resumed>) = 0 [pid 4998] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] lstat("./160/binderfs", [pid 4998] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] unlink("./160/binderfs" [pid 4998] fstat(3, [pid 4997] lstat("./160/binderfs", [pid 5001] <... unlink resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 4998] getdents64(3, [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] close(3 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] unlink("./160/binderfs" [pid 5001] <... close resumed>) = 0 [pid 5000] getdents64(4, [pid 4997] <... unlink resumed>) = 0 [pid 5001] rmdir("./160" [pid 4997] getdents64(3, [pid 5001] <... rmdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] mkdir("./161", 0777 [pid 4997] close(3 [pid 5001] <... mkdir resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4997] rmdir("./160" [pid 5001] <... openat resumed>) = 3 [pid 4997] <... rmdir resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] mkdir("./161", 0777 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] getdents64(4, [pid 4997] <... mkdir resumed>) = 0 [pid 5001] close(3 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5001] <... close resumed>) = 0 [pid 5000] close(4 [pid 4997] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... close resumed>) = 0 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 5000] rmdir("./161/bus" [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8089 [pid 5000] <... rmdir resumed>) = 0 [pid 4997] close(3 [pid 5000] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8090 [pid 5000] unlink("./161/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./161") = 0 [pid 5000] mkdir("./162", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8090 attached ./strace-static-x86_64: Process 8089 attached [pid 8090] set_robust_list(0x5555564f86e0, 24 [pid 8089] set_robust_list(0x5555564f86e0, 24 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8091 [pid 8090] <... set_robust_list resumed>) = 0 [pid 8089] <... set_robust_list resumed>) = 0 [pid 8090] chdir("./161") = 0 [pid 8089] chdir("./161" [pid 8090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8089] <... chdir resumed>) = 0 [pid 8090] <... prctl resumed>) = 0 [pid 8090] setpgid(0, 0 [pid 8089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8090] <... setpgid resumed>) = 0 [pid 8089] <... prctl resumed>) = 0 [pid 8090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8089] setpgid(0, 0 [pid 8090] <... openat resumed>) = 3 [pid 8089] <... setpgid resumed>) = 0 [pid 8090] write(3, "1000", 4 [pid 8089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8090] <... write resumed>) = 4 [pid 8089] <... openat resumed>) = 3 ./strace-static-x86_64: Process 8091 attached [pid 8090] close(3 [pid 8089] write(3, "1000", 4 [pid 8090] <... close resumed>) = 0 [pid 8089] <... write resumed>) = 4 [pid 8090] symlink("/dev/binderfs", "./binderfs" [pid 8089] close(3 [pid 8090] <... symlink resumed>) = 0 [pid 8089] <... close resumed>) = 0 [pid 8090] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8089] symlink("/dev/binderfs", "./binderfs" [pid 8090] <... futex resumed>) = 0 [pid 8090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8089] <... symlink resumed>) = 0 [pid 8090] <... mmap resumed>) = 0x7f6a589d5000 [pid 8089] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8090] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8089] <... futex resumed>) = 0 [pid 8090] <... mprotect resumed>) = 0 [pid 8089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8090] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8089] <... mmap resumed>) = 0x7f6a589d5000 [pid 8090] <... clone resumed>, parent_tid=[8092], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8092 [pid 8089] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8090] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8089] <... mprotect resumed>) = 0 [pid 8090] <... futex resumed>) = 0 [pid 8089] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8090] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8091] set_robust_list(0x5555564f86e0, 24 [pid 8089] <... clone resumed>, parent_tid=[8093], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8093 [pid 8091] <... set_robust_list resumed>) = 0 [pid 8089] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8091] chdir("./162") = 0 [pid 8089] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8091] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 8092 attached [pid 8092] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8092] memfd_create("syzkaller", 0) = 3 [pid 8092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 8093 attached ) = 0x7f6a505d5000 [pid 8093] set_robust_list(0x7f6a589f59e0, 24 [pid 8091] <... prctl resumed>) = 0 [pid 8093] <... set_robust_list resumed>) = 0 [pid 8091] setpgid(0, 0 [pid 8093] memfd_create("syzkaller", 0 [pid 8091] <... setpgid resumed>) = 0 [pid 8093] <... memfd_create resumed>) = 3 [pid 8091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8091] <... openat resumed>) = 3 [pid 8093] <... mmap resumed>) = 0x7f6a505d5000 [pid 8091] write(3, "1000", 4 [pid 4998] <... umount2 resumed>) = 0 [pid 8091] <... write resumed>) = 4 [pid 4998] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8091] close(3) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8091] symlink("/dev/binderfs", "./binderfs" [pid 4998] lstat("./161/bus", [pid 8091] <... symlink resumed>) = 0 [pid 8091] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8091] <... futex resumed>) = 0 [pid 8092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8091] <... mmap resumed>) = 0x7f6a589d5000 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8091] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] openat(AT_FDCWD, "./161/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8091] <... mprotect resumed>) = 0 [pid 4998] <... openat resumed>) = 4 [pid 8091] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8091] <... clone resumed>, parent_tid=[8094], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8094 [pid 4998] getdents64(4, [pid 8091] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8091] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./161/bus"./strace-static-x86_64: Process 8094 attached ) = 0 [pid 4998] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./161/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./161" [pid 8094] set_robust_list(0x7f6a589f59e0, 24 [pid 4998] <... rmdir resumed>) = 0 [pid 4998] mkdir("./162", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 8094] <... set_robust_list resumed>) = 0 [pid 8094] memfd_create("syzkaller", 0) = 3 [pid 8094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8092] <... write resumed>) = 4194304 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8092] munmap(0x7f6a505d5000, 4194304 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8095 [pid 8092] <... munmap resumed>) = 0 [pid 8093] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8092] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 8095 attached ) = 4 [pid 8092] ioctl(4, LOOP_SET_FD, 3 [pid 8095] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8095] chdir("./162") = 0 [pid 8095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8095] setpgid(0, 0) = 0 [pid 8092] <... ioctl resumed>) = 0 [pid 8095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8092] close(3 [pid 8095] <... openat resumed>) = 3 [pid 8092] <... close resumed>) = 0 [pid 8095] write(3, "1000", 4 [pid 8092] mkdir("./bus", 0777 [pid 8095] <... write resumed>) = 4 [pid 8095] close(3) = 0 [pid 8095] symlink("/dev/binderfs", "./binderfs" [pid 8092] <... mkdir resumed>) = 0 [pid 8095] <... symlink resumed>) = 0 [pid 8092] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8095] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8095] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8095] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8097], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8097 [pid 8095] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8095] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8097 attached [pid 8097] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8097] memfd_create("syzkaller", 0) = 3 [pid 8097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8093] <... write resumed>) = 4194304 [ 197.412707][ T8092] loop0: detected capacity change from 0 to 8192 [ 197.442462][ T8092] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8093] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8093] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8093] ioctl(4, LOOP_SET_FD, 3 [pid 8097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8093] <... ioctl resumed>) = 0 [pid 8093] close(3) = 0 [pid 8093] mkdir("./bus", 0777) = 0 [pid 8093] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8094] <... write resumed>) = 4194304 [ 197.463481][ T8092] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 197.473720][ T8092] REISERFS (device loop0): using ordered data mode [ 197.481977][ T8092] reiserfs: using flush barriers [ 197.488441][ T8092] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 197.505866][ T8093] loop4: detected capacity change from 0 to 8192 [pid 8094] munmap(0x7f6a505d5000, 4194304 [pid 8097] <... write resumed>) = 4194304 [pid 8094] <... munmap resumed>) = 0 [pid 8097] munmap(0x7f6a505d5000, 4194304 [pid 8094] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8097] <... munmap resumed>) = 0 [pid 8094] <... openat resumed>) = 4 [pid 8094] ioctl(4, LOOP_SET_FD, 3 [pid 8097] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 197.524571][ T8093] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 197.539350][ T8092] REISERFS (device loop0): checking transaction log (loop0) [ 197.543782][ T8093] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 197.550719][ T8094] loop3: detected capacity change from 0 to 8192 [ 197.556152][ T8093] REISERFS (device loop4): using ordered data mode [pid 8097] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8097] close(3) = 0 [pid 8097] mkdir("./bus", 0777) = 0 [pid 8097] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8094] <... ioctl resumed>) = 0 [pid 8094] close(3) = 0 [pid 8094] mkdir("./bus", 0777) = 0 [ 197.565074][ T8097] loop1: detected capacity change from 0 to 8192 [ 197.569088][ T8093] reiserfs: using flush barriers [ 197.582054][ T8093] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 197.588395][ T8097] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 197.599230][ T8093] REISERFS (device loop4): checking transaction log (loop4) [ 197.618533][ T8094] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 197.618560][ T8094] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 197.618671][ T8094] REISERFS (device loop3): using ordered data mode [ 197.647332][ T8097] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 197.647374][ T8092] REISERFS (device loop0): Using r5 hash to sort names [ 197.656630][ T8097] REISERFS (device loop1): using ordered data mode [pid 8094] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8092] <... mount resumed>) = 0 [pid 8092] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8092] chdir("./bus") = 0 [pid 8092] ioctl(4, LOOP_CLR_FD) = 0 [pid 8092] close(4) = 0 [pid 8092] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8092] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8090] <... futex resumed>) = 0 [pid 8090] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8092] <... futex resumed>) = 0 [pid 8090] <... futex resumed>) = 1 [pid 8092] mkdir("./file1", 000 [pid 8090] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8092] <... mkdir resumed>) = 0 [ 197.664353][ T8092] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 197.670582][ T8094] reiserfs: using flush barriers [ 197.683549][ T8092] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 197.689418][ T8097] reiserfs: using flush barriers [ 197.707764][ T8093] REISERFS (device loop4): Using r5 hash to sort names [pid 8092] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8090] <... futex resumed>) = 0 [ 197.714909][ T8093] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 197.717289][ T8094] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 197.727927][ T8093] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 197.744427][ T8097] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8093] <... mount resumed>) = 0 [pid 8092] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8090] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8093] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8090] <... futex resumed>) = 0 [pid 8093] <... openat resumed>) = 3 [pid 8092] mkdir("./bus", 000 [pid 8090] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8092] <... mkdir resumed>) = 0 [pid 8093] chdir("./bus" [pid 8092] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8093] <... chdir resumed>) = 0 [pid 8092] <... futex resumed>) = 1 [pid 8090] <... futex resumed>) = 0 [pid 8093] ioctl(4, LOOP_CLR_FD [pid 8092] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8090] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8093] <... ioctl resumed>) = 0 [pid 8090] <... futex resumed>) = 0 [pid 8093] close(4 [pid 8090] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8093] <... close resumed>) = 0 [pid 8093] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8093] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8089] <... futex resumed>) = 0 [pid 8089] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8093] <... futex resumed>) = 0 [pid 8089] <... futex resumed>) = 1 [pid 8093] mkdir("./file1", 000 [pid 8089] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8093] <... mkdir resumed>) = 0 [pid 8093] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8089] <... futex resumed>) = 0 [pid 8093] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [ 197.760188][ T8094] REISERFS (device loop3): checking transaction log (loop3) [ 197.779303][ T8097] REISERFS (device loop1): checking transaction log (loop1) [ 197.783826][ T8092] overlayfs: upper fs needs to support d_type. [ 197.794872][ T8092] overlayfs: upper fs does not support tmpfile. [ 197.801342][ T8094] REISERFS (device loop3): Using r5 hash to sort names [ 197.809062][ T8097] REISERFS (device loop1): Using r5 hash to sort names [pid 8089] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8089] <... futex resumed>) = 0 [pid 8090] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8090] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8090] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8101], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8101 [pid 8090] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8090] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8101 attached [pid 8097] <... mount resumed>) = 0 [pid 8093] mkdir("./bus", 000 [pid 8089] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8094] <... mount resumed>) = 0 [pid 8094] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8094] chdir("./bus") = 0 [pid 8094] ioctl(4, LOOP_CLR_FD) = 0 [pid 8094] close(4) = 0 [pid 8094] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8094] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8101] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8097] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8093] <... mkdir resumed>) = 0 [pid 8091] <... futex resumed>) = 0 [pid 8091] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8091] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8094] <... futex resumed>) = 0 [pid 8094] mkdir("./file1", 000) = 0 [pid 8094] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8091] <... futex resumed>) = 0 [pid 8091] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8091] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8094] <... futex resumed>) = 1 [pid 8094] mkdir("./bus", 000) = 0 [pid 8094] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8091] <... futex resumed>) = 0 [pid 8091] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8091] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8094] <... futex resumed>) = 1 [pid 8094] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8101] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8097] <... openat resumed>) = 3 [pid 8093] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8101] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8097] chdir("./bus" [pid 8093] <... futex resumed>) = 1 [pid 8089] <... futex resumed>) = 0 [ 197.810023][ T8094] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 197.816453][ T8097] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 197.830182][ T8092] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 197.842045][ T8097] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 197.852856][ T8094] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 197.859224][ T8092] overlayfs: failed to resolve './file0': -2 [pid 8089] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8097] <... chdir resumed>) = 0 [pid 8093] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8089] <... futex resumed>) = 0 [pid 8097] ioctl(4, LOOP_CLR_FD [pid 8089] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8097] <... ioctl resumed>) = 0 [pid 8097] close(4) = 0 [pid 8097] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8095] <... futex resumed>) = 0 [pid 8097] mkdir("./file1", 000 [pid 8095] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8097] <... mkdir resumed>) = 0 [pid 8095] <... futex resumed>) = 0 [pid 8097] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8095] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8097] <... futex resumed>) = 0 [pid 8095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8097] mkdir("./bus", 000 [pid 8095] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8097] <... mkdir resumed>) = 0 [pid 8095] <... futex resumed>) = 0 [pid 8092] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8095] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8092] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 197.882006][ T8093] overlayfs: upper fs needs to support d_type. [ 197.887657][ T8094] overlayfs: upper fs needs to support d_type. [ 197.894360][ T8094] overlayfs: upper fs does not support tmpfile. [ 197.909863][ T8101] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 197.912455][ T8094] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8092] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8097] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8095] <... futex resumed>) = 0 [pid 8097] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8095] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8095] <... futex resumed>) = 0 [pid 8097] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8095] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8091] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8089] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8089] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8089] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8089] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8102], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8102 [pid 8089] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8089] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8102 attached [pid 8102] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8102] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8102] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8091] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8091] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8091] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8101] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8101] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8090] <... futex resumed>) = 0 [pid 8090] exit_group(0) = ? [pid 8101] <... futex resumed>) = ? [pid 8101] +++ exited with 0 +++ ./strace-static-x86_64: Process 8103 attached [pid 8092] <... futex resumed>) = ? [pid 8091] <... clone resumed>, parent_tid=[8103], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8103 [ 197.930827][ T8097] overlayfs: upper fs needs to support d_type. [ 197.932183][ T8093] overlayfs: upper fs does not support tmpfile. [ 197.943138][ T8097] overlayfs: upper fs does not support tmpfile. [ 197.952383][ T8094] overlayfs: failed to resolve './file0': -2 [ 197.953487][ T8097] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 197.959497][ T8093] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 197.969916][ T8097] overlayfs: failed to resolve './file0': -2 [pid 8103] set_robust_list(0x7f6a509d49e0, 24 [pid 8092] +++ exited with 0 +++ [pid 8091] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8090] +++ exited with 0 +++ [pid 8095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8094] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8093] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8095] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8093] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8095] <... futex resumed>) = 0 [pid 8093] <... futex resumed>) = 0 [pid 8095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8093] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8095] <... mmap resumed>) = 0x7f6a509b4000 [pid 8095] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8095] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8104], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8104 [pid 8095] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8095] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8104 attached [pid 8104] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8104] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8104] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8103] <... set_robust_list resumed>) = 0 [pid 8091] <... futex resumed>) = 0 [pid 8103] mkdir(".", 0777 [pid 8094] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8091] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8090, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 8103] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8094] <... futex resumed>) = 0 [pid 8103] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8094] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8102] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8102] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8102] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8103] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8097] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8089] <... futex resumed>) = 0 [pid 8097] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8089] exit_group(0 [pid 8097] <... futex resumed>) = 0 [pid 8093] <... futex resumed>) = ? [pid 8089] <... exit_group resumed>) = ? [pid 8097] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8093] +++ exited with 0 +++ [pid 8103] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 197.974004][ T8093] overlayfs: failed to resolve './file0': -2 [ 197.981545][ T8102] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 198.014044][ T8103] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8103] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8102] <... futex resumed>) = ? [pid 8102] +++ exited with 0 +++ [pid 8089] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8089, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5001] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8091] <... futex resumed>) = 0 [pid 8091] exit_group(0) = ? [pid 8103] <... futex resumed>) = ? [pid 8103] +++ exited with 0 +++ [pid 8094] <... futex resumed>) = ? [pid 8104] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8104] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8095] <... futex resumed>) = 0 [pid 8095] exit_group(0) = ? [pid 8094] +++ exited with 0 +++ [pid 8097] <... futex resumed>) = ? [pid 8091] +++ exited with 0 +++ [pid 8104] <... futex resumed>) = ? [pid 8104] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8091, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5000] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8097] +++ exited with 0 +++ [pid 8095] +++ exited with 0 +++ [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8095, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 4998] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./162/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 198.021514][ T8104] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5000] openat(AT_FDCWD, "./162/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, [pid 4997] <... umount2 resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] getdents64(4, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4 [pid 4997] lstat("./161/bus", [pid 5000] <... close resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] rmdir("./162/bus" [pid 4997] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... rmdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] openat(AT_FDCWD, "./161/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./162/binderfs", [pid 4997] <... openat resumed>) = 4 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] fstat(4, [pid 5000] unlink("./162/binderfs" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4997] getdents64(4, [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] close(3 [pid 4997] getdents64(4, [pid 5000] <... close resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] rmdir("./162" [pid 4997] close(4 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] mkdir("./163", 0777 [pid 4997] <... close resumed>) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4997] rmdir("./161/bus" [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4997] <... rmdir resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4997] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] lstat("./161/binderfs", [pid 5000] close(3) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] unlink("./161/binderfs"./strace-static-x86_64: Process 8105 attached [pid 5001] <... umount2 resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 5001] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8105 [pid 4997] getdents64(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8105] set_robust_list(0x5555564f86e0, 24 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8105] <... set_robust_list resumed>) = 0 [pid 5001] lstat("./161/bus", [pid 4997] close(3 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... close resumed>) = 0 [pid 8105] chdir("./163" [pid 5001] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] rmdir("./161" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8105] <... chdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./161/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... rmdir resumed>) = 0 [pid 8105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5001] <... openat resumed>) = 4 [pid 4997] mkdir("./162", 0777 [pid 8105] setpgid(0, 0 [pid 5001] fstat(4, [pid 4997] <... mkdir resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8105] <... setpgid resumed>) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... openat resumed>) = 3 [pid 8105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] getdents64(4, [pid 4998] <... umount2 resumed>) = 0 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(4 [pid 8105] <... openat resumed>) = 3 [pid 5001] <... close resumed>) = 0 [pid 4997] close(3 [pid 8105] write(3, "1000", 4 [pid 4998] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] rmdir("./161/bus" [pid 8105] <... write resumed>) = 4 [pid 4997] <... close resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8105] close(3 [pid 5001] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8105] <... close resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8106 [pid 8105] symlink("/dev/binderfs", "./binderfs" [pid 5001] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8105] <... symlink resumed>) = 0 [pid 8105] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] unlink("./161/binderfs" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8105] <... futex resumed>) = 0 [pid 8105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] lstat("./162/bus", [pid 8105] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] getdents64(3, [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8105] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3 [pid 8105] <... mprotect resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4998] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8105] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] rmdir("./161" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8106 attached [pid 5001] <... rmdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./162/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8107 attached [pid 8105] <... clone resumed>, parent_tid=[8107], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8107 [pid 5001] mkdir("./162", 0777 [pid 4998] <... openat resumed>) = 4 [pid 8105] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] set_robust_list(0x5555564f86e0, 24 [pid 5001] <... mkdir resumed>) = 0 [pid 8107] set_robust_list(0x7f6a589f59e0, 24 [pid 8105] <... futex resumed>) = 0 [pid 4998] fstat(4, [pid 8105] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4998] getdents64(4, [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8107] <... set_robust_list resumed>) = 0 [pid 5001] close(3 [pid 8106] <... set_robust_list resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4998] getdents64(4, [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8106] chdir("./162") = 0 [pid 8106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] close(4) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8108 [pid 4998] rmdir("./162/bus" [pid 8106] <... prctl resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 8106] setpgid(0, 0 [pid 4998] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./162/binderfs", [pid 8107] memfd_create("syzkaller", 0 [pid 8106] <... setpgid resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8107] <... memfd_create resumed>) = 3 [pid 8106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] unlink("./162/binderfs" [pid 8107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 8108 attached ) = 0x7f6a505d5000 [pid 8106] <... openat resumed>) = 3 [pid 4998] <... unlink resumed>) = 0 [pid 8108] set_robust_list(0x5555564f86e0, 24 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3 [pid 8108] <... set_robust_list resumed>) = 0 [pid 8106] write(3, "1000", 4 [pid 4998] <... close resumed>) = 0 [pid 8108] chdir("./162" [pid 8106] <... write resumed>) = 4 [pid 4998] rmdir("./162" [pid 8108] <... chdir resumed>) = 0 [pid 8106] close(3 [pid 8108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8106] <... close resumed>) = 0 [pid 8108] <... prctl resumed>) = 0 [pid 8106] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... rmdir resumed>) = 0 [pid 8108] setpgid(0, 0 [pid 8106] <... symlink resumed>) = 0 [pid 4998] mkdir("./163", 0777 [pid 8108] <... setpgid resumed>) = 0 [pid 8106] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8106] <... futex resumed>) = 0 [pid 8108] <... openat resumed>) = 3 [pid 8106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] <... mkdir resumed>) = 0 [pid 8108] write(3, "1000", 4 [pid 8106] <... mmap resumed>) = 0x7f6a589d5000 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8108] <... write resumed>) = 4 [pid 8106] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8108] close(3 [pid 8106] <... mprotect resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 8108] <... close resumed>) = 0 [pid 8106] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8108] symlink("/dev/binderfs", "./binderfs" [pid 4998] ioctl(3, LOOP_CLR_FD [pid 8108] <... symlink resumed>) = 0 [pid 8106] <... clone resumed>, parent_tid=[8109], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8109 [pid 8108] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8108] <... futex resumed>) = 0 [pid 8106] <... futex resumed>) = 0 [pid 8108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8106] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] close(3 [pid 8108] <... mmap resumed>) = 0x7f6a589d5000 [pid 8108] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] <... close resumed>) = 0 [pid 8108] <... mprotect resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8108] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8110], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8110 [pid 8108] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8108] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8109 attached [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8111 [pid 8109] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8109] memfd_create("syzkaller", 0) = 3 [pid 8109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 8110 attached [pid 8110] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8110] memfd_create("syzkaller", 0./strace-static-x86_64: Process 8111 attached ) = 3 [pid 8111] set_robust_list(0x5555564f86e0, 24 [pid 8110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8111] <... set_robust_list resumed>) = 0 [pid 8110] <... mmap resumed>) = 0x7f6a505d5000 [pid 8111] chdir("./163") = 0 [pid 8111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8111] setpgid(0, 0) = 0 [pid 8111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8111] write(3, "1000", 4) = 4 [pid 8111] close(3) = 0 [pid 8111] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8111] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8111] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8111] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8112], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8112 [pid 8111] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8111] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8112 attached [pid 8112] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8112] memfd_create("syzkaller", 0) = 3 [pid 8112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 8107] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8107] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8107] ioctl(4, LOOP_SET_FD, 3 [pid 8109] <... write resumed>) = 4194304 [pid 8109] munmap(0x7f6a505d5000, 4194304 [pid 8110] <... write resumed>) = 4194304 [pid 8107] <... ioctl resumed>) = 0 [pid 8110] munmap(0x7f6a505d5000, 4194304 [pid 8107] close(3 [pid 8110] <... munmap resumed>) = 0 [pid 8107] <... close resumed>) = 0 [pid 8110] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8109] <... munmap resumed>) = 0 [pid 8110] <... openat resumed>) = 4 [pid 8107] mkdir("./bus", 0777 [pid 8109] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8110] ioctl(4, LOOP_SET_FD, 3 [pid 8112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8107] <... mkdir resumed>) = 0 [pid 8110] <... ioctl resumed>) = 0 [pid 8109] <... openat resumed>) = 4 [pid 8107] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8110] close(3 [pid 8109] ioctl(4, LOOP_SET_FD, 3 [pid 8110] <... close resumed>) = 0 [pid 8110] mkdir("./bus", 0777 [pid 8109] <... ioctl resumed>) = 0 [pid 8110] <... mkdir resumed>) = 0 [pid 8109] close(3 [pid 8110] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8109] <... close resumed>) = 0 [pid 8109] mkdir("./bus", 0777 [pid 8112] <... write resumed>) = 4194304 [pid 8112] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8112] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 198.288437][ T8107] loop3: detected capacity change from 0 to 8192 [ 198.301402][ T8110] loop4: detected capacity change from 0 to 8192 [ 198.309904][ T8109] loop0: detected capacity change from 0 to 8192 [ 198.319134][ T8107] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8112] ioctl(4, LOOP_SET_FD, 3 [pid 8109] <... mkdir resumed>) = 0 [pid 8112] <... ioctl resumed>) = 0 [pid 8112] close(3) = 0 [pid 8112] mkdir("./bus", 0777) = 0 [pid 8112] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 198.332758][ T8107] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 198.338817][ T8112] loop1: detected capacity change from 0 to 8192 [ 198.343754][ T8110] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 198.353023][ T8107] REISERFS (device loop3): using ordered data mode [ 198.362192][ T8110] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 198.369210][ T8107] reiserfs: using flush barriers [ 198.377536][ T8110] REISERFS (device loop4): using ordered data mode [ 198.383902][ T8112] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 198.390177][ T8110] reiserfs: using flush barriers [ 198.407296][ T8112] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 198.407526][ T8107] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 198.416929][ T8112] REISERFS (device loop1): using ordered data mode [ 198.433207][ T8109] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 198.439238][ T8112] reiserfs: using flush barriers [ 198.452382][ T8112] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 198.458319][ T8109] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 198.473431][ T8110] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 198.483630][ T8109] REISERFS (device loop0): using ordered data mode [ 198.499586][ T8112] REISERFS (device loop1): checking transaction log (loop1) [ 198.505448][ T8109] reiserfs: using flush barriers [ 198.513367][ T8107] REISERFS (device loop3): checking transaction log (loop3) [ 198.518708][ T8109] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 198.525666][ T8110] REISERFS (device loop4): checking transaction log (loop4) [ 198.541884][ T8112] REISERFS (device loop1): Using r5 hash to sort names [ 198.549320][ T8109] REISERFS (device loop0): checking transaction log (loop0) [ 198.555737][ T8112] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 198.575655][ T8112] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8109] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8112] <... mount resumed>) = 0 [pid 8112] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8112] chdir("./bus") = 0 [pid 8112] ioctl(4, LOOP_CLR_FD) = 0 [pid 8112] close(4) = 0 [pid 8112] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8111] <... futex resumed>) = 0 [pid 8111] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8111] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8112] <... futex resumed>) = 1 [pid 8112] mkdir("./file1", 000) = 0 [pid 8112] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8111] <... futex resumed>) = 0 [pid 8111] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8111] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8112] <... futex resumed>) = 1 [pid 8112] mkdir("./bus", 000) = 0 [pid 8112] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8111] <... futex resumed>) = 0 [pid 8111] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8111] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8112] <... futex resumed>) = 1 [ 198.576727][ T8107] REISERFS (device loop3): Using r5 hash to sort names [ 198.591854][ T8110] REISERFS (device loop4): Using r5 hash to sort names [ 198.599744][ T8110] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 198.608555][ T8112] overlayfs: upper fs needs to support d_type. [ 198.619623][ T8112] overlayfs: upper fs does not support tmpfile. [ 198.624252][ T8110] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8112] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8111] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8110] <... mount resumed>) = 0 [pid 8111] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8111] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8111] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8117], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8117 [pid 8111] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8111] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8117 attached [pid 8117] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8117] mkdir(".", 0777) = -1 EEXIST (File exists) [ 198.635396][ T8109] REISERFS (device loop0): Using r5 hash to sort names [ 198.635536][ T8107] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 198.643098][ T8109] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 198.655781][ T8112] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 198.668886][ T8109] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8117] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8110] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8109] <... mount resumed>) = 0 [pid 8117] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8110] <... openat resumed>) = 3 [pid 8109] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8107] <... mount resumed>) = 0 [pid 8110] chdir("./bus" [pid 8109] <... openat resumed>) = 3 [pid 8110] <... chdir resumed>) = 0 [pid 8109] chdir("./bus" [pid 8110] ioctl(4, LOOP_CLR_FD [pid 8109] <... chdir resumed>) = 0 [pid 8110] <... ioctl resumed>) = 0 [pid 8109] ioctl(4, LOOP_CLR_FD [pid 8110] close(4 [pid 8109] <... ioctl resumed>) = 0 [pid 8117] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] <... close resumed>) = 0 [pid 8109] close(4 [pid 8107] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8109] <... close resumed>) = 0 [pid 8109] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8106] <... futex resumed>) = 0 [pid 8109] mkdir("./file1", 000 [pid 8106] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8109] <... mkdir resumed>) = 0 [pid 8106] <... futex resumed>) = 0 [pid 8110] <... futex resumed>) = 1 [pid 8109] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8108] <... futex resumed>) = 0 [pid 8106] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8110] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8109] <... futex resumed>) = 0 [pid 8108] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8109] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8108] <... futex resumed>) = 0 [pid 8106] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] mkdir("./file1", 000 [pid 8109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8108] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8106] <... futex resumed>) = 0 [pid 8110] <... mkdir resumed>) = 0 [pid 8109] mkdir("./bus", 000 [pid 8106] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8110] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8109] <... mkdir resumed>) = 0 [pid 8110] <... futex resumed>) = 1 [pid 8109] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8108] <... futex resumed>) = 0 [pid 8110] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8109] <... futex resumed>) = 1 [pid 8108] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] <... futex resumed>) = 0 [pid 8110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8109] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8108] <... futex resumed>) = 0 [pid 8106] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] mkdir("./bus", 000 [pid 8109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8108] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8106] <... futex resumed>) = 0 [ 198.682974][ T8117] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 198.685553][ T8107] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 198.700286][ T8112] overlayfs: failed to resolve './file0': -2 [pid 8110] <... mkdir resumed>) = 0 [pid 8109] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8106] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8110] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8110] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8108] <... futex resumed>) = 0 [pid 8108] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] <... futex resumed>) = 0 [pid 8108] <... futex resumed>) = 1 [pid 8110] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8108] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8107] <... openat resumed>) = 3 [pid 8111] <... futex resumed>) = 0 [pid 8117] <... futex resumed>) = 1 [pid 8117] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8107] chdir("./bus") = 0 [pid 8107] ioctl(4, LOOP_CLR_FD) = 0 [pid 8107] close(4) = 0 [pid 8107] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8107] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8112] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8105] <... futex resumed>) = 0 [pid 8112] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8105] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8112] <... futex resumed>) = 0 [pid 8105] <... futex resumed>) = 1 [pid 8112] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8105] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8111] exit_group(0 [pid 8107] <... futex resumed>) = 0 [pid 8117] <... futex resumed>) = ? [pid 8111] <... exit_group resumed>) = ? [pid 8107] mkdir("./file1", 000 [pid 8117] +++ exited with 0 +++ [pid 8112] <... futex resumed>) = ? [pid 8107] <... mkdir resumed>) = 0 [pid 8107] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8105] <... futex resumed>) = 0 [pid 8107] mkdir("./bus", 000 [pid 8105] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8112] +++ exited with 0 +++ [pid 8111] +++ exited with 0 +++ [pid 8107] <... mkdir resumed>) = 0 [pid 8105] <... futex resumed>) = 0 [pid 8107] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8105] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8107] <... futex resumed>) = 0 [pid 8105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 198.734475][ T8109] overlayfs: upper fs needs to support d_type. [ 198.743658][ T8110] overlayfs: upper fs needs to support d_type. [ 198.745565][ T8109] overlayfs: upper fs does not support tmpfile. [ 198.754580][ T8110] overlayfs: upper fs does not support tmpfile. [ 198.758075][ T8109] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8111, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 8107] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8105] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8105] <... futex resumed>) = 0 [pid 4998] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8106] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8105] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8106] <... futex resumed>) = 0 [pid 8106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8106] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8106] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8118], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8118 [pid 8106] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8106] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8108] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8108] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4998] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8118 attached ) = 0x7f6a509b4000 [pid 4998] <... openat resumed>) = 3 [pid 8108] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8108] <... mprotect resumed>) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8108] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8108] <... clone resumed>, parent_tid=[8119], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8119 [pid 8108] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8108] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8118] set_robust_list(0x7f6a509d49e0, 24./strace-static-x86_64: Process 8119 attached ) = 0 [pid 8118] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8118] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8119] set_robust_list(0x7f6a509d49e0, 24 [pid 8110] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8119] <... set_robust_list resumed>) = 0 [pid 8110] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8110] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8119] mkdir(".", 0777) = -1 EEXIST (File exists) [ 198.782539][ T8110] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 198.783760][ T8107] overlayfs: upper fs needs to support d_type. [ 198.792282][ T8110] overlayfs: failed to resolve './file0': -2 [ 198.824130][ T8109] overlayfs: failed to resolve './file0': -2 [pid 8119] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8118] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8105] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8105] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8105] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8105] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8120], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8120 [pid 8105] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8105] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8118] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8106] <... futex resumed>) = 0 [ 198.834761][ T8118] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 198.842670][ T8107] overlayfs: upper fs does not support tmpfile. [ 198.858583][ T8107] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 198.859948][ T8119] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8118] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8120 attached [pid 8120] set_robust_list(0x7f6a509d49e0, 24 [pid 8109] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8109] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8120] <... set_robust_list resumed>) = 0 [pid 8109] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8120] mkdir(".", 0777 [pid 8106] exit_group(0 [pid 8118] <... futex resumed>) = ? [pid 8109] <... futex resumed>) = ? [pid 8106] <... exit_group resumed>) = ? [pid 8120] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8120] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8118] +++ exited with 0 +++ [pid 8109] +++ exited with 0 +++ [pid 8106] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8106, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 4997] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8119] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8119] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8108] <... futex resumed>) = 0 [pid 8108] exit_group(0 [pid 8110] <... futex resumed>) = ? [pid 8108] <... exit_group resumed>) = ? [pid 8110] +++ exited with 0 +++ [pid 8107] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8107] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8107] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8119] <... futex resumed>) = ? [pid 8119] +++ exited with 0 +++ [pid 8108] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8108, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8120] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8120] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./163/bus", [pid 8120] <... futex resumed>) = 1 [pid 8105] <... futex resumed>) = 0 [ 198.869145][ T8107] overlayfs: failed to resolve './file0': -2 [ 198.900759][ T8120] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8120] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8105] exit_group(0 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8107] <... futex resumed>) = ? [pid 8105] <... exit_group resumed>) = ? [pid 8120] <... futex resumed>) = ? [pid 4998] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8120] +++ exited with 0 +++ [pid 8107] +++ exited with 0 +++ [pid 8105] +++ exited with 0 +++ [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8105, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 4998] openat(AT_FDCWD, "./163/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] getdents64(4, [pid 5000] <... openat resumed>) = 3 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] fstat(3, [pid 4998] getdents64(4, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 5000] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] close(4 [pid 4997] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] rmdir("./163/bus") = 0 [pid 4998] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] lstat("./162/bus", [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] lstat("./163/binderfs", [pid 4997] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] unlink("./163/binderfs" [pid 4997] openat(AT_FDCWD, "./162/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... unlink resumed>) = 0 [pid 4997] <... openat resumed>) = 4 [pid 4998] getdents64(3, [pid 4997] fstat(4, [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] close(3 [pid 4997] getdents64(4, [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./163" [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] getdents64(4, [pid 4998] mkdir("./164", 0777 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./162/bus") = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4997] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] ioctl(3, LOOP_CLR_FD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] lstat("./162/binderfs", [pid 4998] close(3 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... close resumed>) = 0 [pid 4997] unlink("./162/binderfs" [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./163/bus", [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... unlink resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, [pid 5000] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./163/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8121 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, [pid 5001] <... umount2 resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] close(3 [pid 5000] getdents64(4, [pid 4997] <... close resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] rmdir("./162" [pid 5000] close(4) = 0 [pid 5000] rmdir("./163/bus" [pid 4997] <... rmdir resumed>) = 0 [pid 5001] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./162/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5001] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./162/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] mkdir("./163", 0777 [pid 5000] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... openat resumed>) = 4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./163/binderfs", [pid 4997] <... mkdir resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] fstat(4, [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... openat resumed>) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 5000] unlink("./163/binderfs" [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] getdents64(4, [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4 [pid 5000] <... unlink resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5001] rmdir("./162/bus" [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8122 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./163" [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5001] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] mkdir("./164", 0777 [pid 5001] unlink("./162/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./162") = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] mkdir("./163", 0777./strace-static-x86_64: Process 8121 attached ) = 0 ./strace-static-x86_64: Process 8122 attached [pid 8122] set_robust_list(0x5555564f86e0, 24 [pid 8121] set_robust_list(0x5555564f86e0, 24 [pid 8122] <... set_robust_list resumed>) = 0 [pid 8122] chdir("./163" [pid 8121] <... set_robust_list resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 8122] <... chdir resumed>) = 0 [pid 8122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] ioctl(3, LOOP_CLR_FD [pid 8122] <... prctl resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8122] setpgid(0, 0 [pid 5001] close(3 [pid 8121] chdir("./164" [pid 5001] <... close resumed>) = 0 [pid 8122] <... setpgid resumed>) = 0 [pid 8121] <... chdir resumed>) = 0 [pid 8122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8123 [pid 8122] <... openat resumed>) = 3 [pid 8121] setpgid(0, 0 [pid 8122] write(3, "1000", 4 [pid 8121] <... setpgid resumed>) = 0 [pid 8122] <... write resumed>) = 4 [pid 8121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8122] close(3 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8124 [pid 8122] <... close resumed>) = 0 [pid 8121] <... openat resumed>) = 3 [pid 8122] symlink("/dev/binderfs", "./binderfs" [pid 8121] write(3, "1000", 4 [pid 8122] <... symlink resumed>) = 0 [pid 8121] <... write resumed>) = 4 [pid 8121] close(3 [pid 8122] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8121] <... close resumed>) = 0 [pid 8122] <... futex resumed>) = 0 [pid 8122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8121] symlink("/dev/binderfs", "./binderfs" [pid 8122] <... mmap resumed>) = 0x7f6a589d5000 [pid 8122] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 8123 attached ) = 0 [pid 8121] <... symlink resumed>) = 0 [pid 8123] set_robust_list(0x5555564f86e0, 24 [pid 8122] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8121] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8123] <... set_robust_list resumed>) = 0 [pid 8121] <... futex resumed>) = 0 [pid 8123] chdir("./164" [pid 8122] <... clone resumed>, parent_tid=[8125], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8125 [pid 8121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8123] <... chdir resumed>) = 0 [pid 8122] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8122] <... futex resumed>) = 0 [pid 8121] <... mmap resumed>) = 0x7f6a589d5000 [pid 8123] <... prctl resumed>) = 0 [pid 8122] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8123] setpgid(0, 0 [pid 8121] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8123] <... setpgid resumed>) = 0 [pid 8123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8121] <... mprotect resumed>) = 0 [pid 8123] write(3, "1000", 4) = 4 [pid 8121] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8123] close(3) = 0 [pid 8123] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 8124 attached ) = 0 [pid 8121] <... clone resumed>, parent_tid=[8126], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8126 [pid 8123] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8121] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] set_robust_list(0x5555564f86e0, 24 [pid 8123] <... futex resumed>) = 0 [pid 8121] <... futex resumed>) = 0 [pid 8123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8121] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8125 attached [pid 8124] <... set_robust_list resumed>) = 0 [pid 8123] <... mmap resumed>) = 0x7f6a589d5000 [pid 8125] set_robust_list(0x7f6a589f59e0, 24 [pid 8123] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8125] <... set_robust_list resumed>) = 0 [pid 8124] chdir("./163" [pid 8123] <... mprotect resumed>) = 0 [pid 8125] memfd_create("syzkaller", 0 [pid 8124] <... chdir resumed>) = 0 [pid 8123] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8125] <... memfd_create resumed>) = 3 [pid 8124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8124] <... prctl resumed>) = 0 [pid 8123] <... clone resumed>, parent_tid=[8127], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8127 [pid 8125] <... mmap resumed>) = 0x7f6a505d5000 [pid 8123] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] setpgid(0, 0 [pid 8123] <... futex resumed>) = 0 [pid 8123] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8124] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 8127 attached [pid 8127] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8127] memfd_create("syzkaller", 0 [pid 8124] write(3, "1000", 4 [pid 8127] <... memfd_create resumed>) = 3 [pid 8127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8124] <... write resumed>) = 4 ./strace-static-x86_64: Process 8126 attached [pid 8124] close(3 [pid 8126] set_robust_list(0x7f6a589f59e0, 24 [pid 8124] <... close resumed>) = 0 [pid 8126] <... set_robust_list resumed>) = 0 [pid 8124] symlink("/dev/binderfs", "./binderfs" [pid 8126] memfd_create("syzkaller", 0 [pid 8124] <... symlink resumed>) = 0 [pid 8124] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8126] <... memfd_create resumed>) = 3 [pid 8124] <... futex resumed>) = 0 [pid 8126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8124] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8124] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8128], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8128 [pid 8124] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8124] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8128 attached [pid 8128] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8128] memfd_create("syzkaller", 0) = 3 [pid 8128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8125] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8126] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8127] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8128] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8126] <... write resumed>) = 4194304 [pid 8126] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8126] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8126] ioctl(4, LOOP_SET_FD, 3 [pid 8125] <... write resumed>) = 4194304 [pid 8125] munmap(0x7f6a505d5000, 4194304 [pid 8128] <... write resumed>) = 4194304 [pid 8126] <... ioctl resumed>) = 0 [pid 8128] munmap(0x7f6a505d5000, 4194304 [pid 8126] close(3 [pid 8125] <... munmap resumed>) = 0 [pid 8125] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8128] <... munmap resumed>) = 0 [pid 8126] <... close resumed>) = 0 [pid 8125] <... openat resumed>) = 4 [pid 8128] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8126] mkdir("./bus", 0777 [pid 8125] ioctl(4, LOOP_SET_FD, 3 [pid 8128] <... openat resumed>) = 4 [pid 8127] <... write resumed>) = 4194304 [pid 8126] <... mkdir resumed>) = 0 [pid 8128] ioctl(4, LOOP_SET_FD, 3 [pid 8126] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8127] munmap(0x7f6a505d5000, 4194304 [pid 8125] <... ioctl resumed>) = 0 [pid 8125] close(3) = 0 [pid 8125] mkdir("./bus", 0777) = 0 [pid 8125] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8127] <... munmap resumed>) = 0 [pid 8127] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8127] ioctl(4, LOOP_SET_FD, 3 [pid 8128] <... ioctl resumed>) = 0 [pid 8127] <... ioctl resumed>) = 0 [pid 8127] close(3) = 0 [pid 8127] mkdir("./bus", 0777) = 0 [pid 8127] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8128] close(3) = 0 [pid 8128] mkdir("./bus", 0777) = 0 [ 199.165628][ T8126] loop1: detected capacity change from 0 to 8192 [ 199.178829][ T8125] loop0: detected capacity change from 0 to 8192 [ 199.183963][ T8128] loop4: detected capacity change from 0 to 8192 [ 199.189516][ T8127] loop3: detected capacity change from 0 to 8192 [ 199.193472][ T8126] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 199.204222][ T8125] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 199.211550][ T8126] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 199.224104][ T8125] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 199.224197][ T8125] REISERFS (device loop0): using ordered data mode [ 199.234039][ T8126] REISERFS (device loop1): using ordered data mode [ 199.243284][ T8128] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 199.249380][ T8127] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 199.257351][ T8128] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 199.270265][ T8126] reiserfs: using flush barriers [ 199.283320][ T8128] REISERFS (device loop4): using ordered data mode [ 199.297315][ T8125] reiserfs: using flush barriers [ 199.303978][ T8128] reiserfs: using flush barriers [ 199.314655][ T8127] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 199.316552][ T8126] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 199.324908][ T8127] REISERFS (device loop3): using ordered data mode [ 199.340259][ T8128] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 199.347497][ T8127] reiserfs: using flush barriers [ 199.362814][ T8125] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 199.368913][ T8128] REISERFS (device loop4): checking transaction log (loop4) [ 199.384153][ T8126] REISERFS (device loop1): checking transaction log (loop1) [ 199.394039][ T8125] REISERFS (device loop0): checking transaction log (loop0) [ 199.399446][ T8126] REISERFS (device loop1): Using r5 hash to sort names [ 199.406153][ T8127] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 199.413091][ T8126] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 199.441957][ T8126] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 199.451908][ T8128] REISERFS (device loop4): Using r5 hash to sort names [ 199.452331][ T8125] REISERFS (device loop0): Using r5 hash to sort names [pid 8128] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8126] <... mount resumed>) = 0 [ 199.459994][ T8128] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 199.466136][ T8125] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 199.479631][ T8127] REISERFS (device loop3): checking transaction log (loop3) [ 199.498655][ T8125] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 199.499559][ T8128] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8126] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8125] <... mount resumed>) = 0 [pid 8128] <... mount resumed>) = 0 [pid 8128] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8128] chdir("./bus") = 0 [pid 8128] ioctl(4, LOOP_CLR_FD) = 0 [pid 8128] close(4 [pid 8126] <... openat resumed>) = 3 [pid 8125] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8126] chdir("./bus" [pid 8125] <... openat resumed>) = 3 [pid 8126] <... chdir resumed>) = 0 [pid 8126] ioctl(4, LOOP_CLR_FD [pid 8125] chdir("./bus" [pid 8126] <... ioctl resumed>) = 0 [pid 8125] <... chdir resumed>) = 0 [pid 8126] close(4 [pid 8125] ioctl(4, LOOP_CLR_FD [pid 8126] <... close resumed>) = 0 [pid 8125] <... ioctl resumed>) = 0 [pid 8125] close(4 [pid 8126] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8128] <... close resumed>) = 0 [pid 8128] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8126] <... futex resumed>) = 1 [pid 8121] <... futex resumed>) = 0 [pid 8126] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8125] <... close resumed>) = 0 [pid 8121] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8121] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8124] <... futex resumed>) = 0 [pid 8124] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8124] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8128] <... futex resumed>) = 1 [pid 8126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8126] mkdir("./file1", 000 [pid 8125] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8128] mkdir("./file1", 000 [pid 8126] <... mkdir resumed>) = 0 [pid 8126] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8125] <... futex resumed>) = 1 [pid 8122] <... futex resumed>) = 0 [pid 8125] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8122] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8126] <... futex resumed>) = 1 [pid 8121] <... futex resumed>) = 0 [pid 8126] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8122] <... futex resumed>) = 0 [pid 8121] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8125] mkdir("./file1", 000 [pid 8122] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8121] <... futex resumed>) = 0 [pid 8126] mkdir("./bus", 000 [pid 8121] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8125] <... mkdir resumed>) = 0 [pid 8126] <... mkdir resumed>) = 0 [pid 8125] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8128] <... mkdir resumed>) = 0 [pid 8128] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] <... futex resumed>) = 0 [pid 8124] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8124] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8128] <... futex resumed>) = 1 [pid 8128] mkdir("./bus", 000) = 0 [pid 8128] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] <... futex resumed>) = 0 [pid 8124] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8124] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8128] <... futex resumed>) = 1 [pid 8128] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8126] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8125] <... futex resumed>) = 1 [pid 8122] <... futex resumed>) = 0 [ 199.509332][ T8127] REISERFS (device loop3): Using r5 hash to sort names [ 199.532816][ T8127] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 199.546337][ T8128] overlayfs: upper fs needs to support d_type. [ 199.546443][ T8127] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8127] <... mount resumed>) = 0 [pid 8126] <... futex resumed>) = 1 [pid 8125] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8122] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8121] <... futex resumed>) = 0 [pid 8121] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8121] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8126] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8122] <... futex resumed>) = 0 [pid 8125] mkdir("./bus", 000 [pid 8122] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8127] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8125] <... mkdir resumed>) = 0 [pid 8125] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8127] <... openat resumed>) = 3 [pid 8125] <... futex resumed>) = 1 [pid 8122] <... futex resumed>) = 0 [pid 8127] chdir("./bus" [pid 8125] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8124] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8122] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] <... futex resumed>) = 0 [pid 8122] <... futex resumed>) = 0 [pid 8124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8127] <... chdir resumed>) = 0 [pid 8124] <... mmap resumed>) = 0x7f6a509b4000 [pid 8122] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8127] ioctl(4, LOOP_CLR_FD [pid 8124] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8124] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8133], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8133 [pid 8124] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8124] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8133 attached [pid 8133] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8133] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8133] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8127] <... ioctl resumed>) = 0 [pid 8127] close(4) = 0 [pid 8128] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8128] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 199.558922][ T8128] overlayfs: upper fs does not support tmpfile. [ 199.573123][ T8128] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 199.573864][ T8126] overlayfs: upper fs needs to support d_type. [ 199.584190][ T8128] overlayfs: failed to resolve './file0': -2 [ 199.595587][ T8125] overlayfs: upper fs needs to support d_type. [ 199.599284][ T8126] overlayfs: upper fs does not support tmpfile. [pid 8128] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8127] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8123] <... futex resumed>) = 0 [pid 8121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8127] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8123] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8121] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8123] <... futex resumed>) = 0 [pid 8121] <... mmap resumed>) = 0x7f6a509b4000 [pid 8121] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8121] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8134], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8134 [pid 8121] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8121] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8127] mkdir("./file1", 000 [pid 8123] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8127] <... mkdir resumed>) = 0 [pid 8122] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 8134 attached [pid 8127] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8122] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8134] set_robust_list(0x7f6a509d49e0, 24 [pid 8127] <... futex resumed>) = 1 [pid 8123] <... futex resumed>) = 0 [pid 8122] <... futex resumed>) = 0 [pid 8134] <... set_robust_list resumed>) = 0 [pid 8127] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8123] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8123] <... futex resumed>) = 0 [pid 8134] mkdir(".", 0777 [pid 8127] mkdir("./bus", 000 [pid 8123] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8122] <... mmap resumed>) = 0x7f6a509b4000 [pid 8134] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8127] <... mkdir resumed>) = 0 [pid 8122] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8134] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8127] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8122] <... mprotect resumed>) = 0 [pid 8127] <... futex resumed>) = 1 [pid 8123] <... futex resumed>) = 0 [pid 8122] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8127] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8123] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 199.612422][ T8126] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 199.623671][ T8125] overlayfs: upper fs does not support tmpfile. [ 199.625729][ T8133] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 199.634880][ T8125] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 199.658940][ T8125] overlayfs: failed to resolve './file0': -2 [pid 8123] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8122] <... clone resumed>, parent_tid=[8135], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8135 [pid 8133] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8133] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] <... futex resumed>) = 0 [pid 8124] exit_group(0 [pid 8128] <... futex resumed>) = ? [pid 8124] <... exit_group resumed>) = ? [pid 8128] +++ exited with 0 +++ [pid 8133] <... futex resumed>) = ? [pid 8122] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8133] +++ exited with 0 +++ [pid 8124] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8124, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5001] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8135 attached [pid 8135] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8135] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8135] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8134] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8126] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8122] <... futex resumed>) = 0 [pid 8126] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8122] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8126] <... futex resumed>) = 0 [pid 8126] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8134] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8134] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8121] <... futex resumed>) = 0 [ 199.668796][ T8127] overlayfs: upper fs needs to support d_type. [ 199.674512][ T8126] overlayfs: failed to resolve './file0': -2 [ 199.674957][ T8127] overlayfs: upper fs does not support tmpfile. [ 199.675269][ T8127] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 199.696144][ T8134] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 199.706508][ T8127] overlayfs: failed to resolve './file0': -2 [pid 8125] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8121] exit_group(0 [pid 8125] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8134] <... futex resumed>) = ? [pid 8125] <... futex resumed>) = 0 [pid 8121] <... exit_group resumed>) = ? [pid 8125] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8134] +++ exited with 0 +++ [pid 8126] <... futex resumed>) = ? [pid 8126] +++ exited with 0 +++ [pid 8121] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8121, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 8135] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... restart_syscall resumed>) = 0 [pid 4998] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, [pid 8123] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8123] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8123] <... futex resumed>) = 0 [pid 8123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8123] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8123] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8136], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8136 [pid 8123] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8123] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8135] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8122] <... futex resumed>) = 0 [pid 8122] exit_group(0 [pid 8127] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8125] <... futex resumed>) = ? [pid 8122] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 8136 attached [pid 8127] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8125] +++ exited with 0 +++ [pid 8136] set_robust_list(0x7f6a509d49e0, 24 [pid 8127] <... futex resumed>) = 0 [pid 8136] <... set_robust_list resumed>) = 0 [pid 8127] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8136] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8135] <... futex resumed>) = ? [pid 5001] <... umount2 resumed>) = 0 [pid 8136] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8135] +++ exited with 0 +++ [pid 8122] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8122, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 199.720769][ T8135] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8136] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./163/bus", [pid 8136] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8123] <... futex resumed>) = 0 [pid 5001] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8123] exit_group(0 [pid 8127] <... futex resumed>) = ? [pid 8123] <... exit_group resumed>) = ? [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8127] +++ exited with 0 +++ [pid 5001] openat(AT_FDCWD, "./163/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./163/bus") = 0 [pid 5001] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./163/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./163") = 0 [pid 5001] mkdir("./164", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8137 [pid 8136] +++ exited with 0 +++ [pid 8123] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8123, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [ 199.780516][ T8136] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" ./strace-static-x86_64: Process 8137 attached [pid 4998] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8137] set_robust_list(0x5555564f86e0, 24 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8137] <... set_robust_list resumed>) = 0 [pid 4998] lstat("./164/bus", [pid 8137] chdir("./164" [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8137] <... chdir resumed>) = 0 [pid 4998] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8137] setpgid(0, 0) = 0 [pid 8137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] openat(AT_FDCWD, "./164/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... umount2 resumed>) = 0 [pid 8137] <... openat resumed>) = 3 [pid 8137] write(3, "1000", 4 [pid 4998] <... openat resumed>) = 4 [pid 4997] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8137] <... write resumed>) = 4 [pid 8137] close(3 [pid 4998] fstat(4, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8137] <... close resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] lstat("./163/bus", [pid 8137] symlink("/dev/binderfs", "./binderfs" [pid 4998] getdents64(4, [pid 8137] <... symlink resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8137] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] getdents64(4, [pid 8137] <... futex resumed>) = 0 [pid 4997] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] close(4 [pid 8137] <... mmap resumed>) = 0x7f6a589d5000 [pid 4998] <... close resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./163/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8137] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] rmdir("./164/bus" [pid 8137] <... mprotect resumed>) = 0 [pid 4997] <... openat resumed>) = 4 [pid 4998] <... rmdir resumed>) = 0 [pid 8137] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] fstat(4, [pid 8137] <... clone resumed>, parent_tid=[8138], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8138 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8137] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] lstat("./164/binderfs", [pid 8137] <... futex resumed>) = 0 [pid 4997] getdents64(4, [pid 8137] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] unlink("./164/binderfs" [pid 4997] getdents64(4, ./strace-static-x86_64: Process 8138 attached [pid 4998] <... unlink resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8138] set_robust_list(0x7f6a589f59e0, 24 [pid 4998] getdents64(3, [pid 4997] close(4 [pid 8138] <... set_robust_list resumed>) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] <... close resumed>) = 0 [pid 8138] memfd_create("syzkaller", 0 [pid 4998] close(3 [pid 4997] rmdir("./163/bus" [pid 8138] <... memfd_create resumed>) = 3 [pid 4998] <... close resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 8138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4998] rmdir("./164" [pid 4997] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8138] <... mmap resumed>) = 0x7f6a505d5000 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] mkdir("./165", 0777 [pid 4997] lstat("./163/binderfs", [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] unlink("./163/binderfs" [pid 4998] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8139 ./strace-static-x86_64: Process 8139 attached [pid 8139] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8139] chdir("./165") = 0 [pid 8139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8139] setpgid(0, 0) = 0 [pid 8139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8139] write(3, "1000", 4) = 4 [pid 8139] close(3) = 0 [pid 8139] symlink("/dev/binderfs", "./binderfs" [pid 8138] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8139] <... symlink resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 8139] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] getdents64(3, [pid 8139] <... futex resumed>) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] close(3 [pid 8139] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] <... close resumed>) = 0 [pid 8139] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4997] rmdir("./163" [pid 8139] <... mprotect resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 8139] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] mkdir("./164", 0777) = 0 [pid 8139] <... clone resumed>, parent_tid=[8140], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8140 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8139] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... openat resumed>) = 3 [pid 8139] <... futex resumed>) = 0 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 8139] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8141 ./strace-static-x86_64: Process 8141 attached ./strace-static-x86_64: Process 8140 attached [pid 5000] <... umount2 resumed>) = 0 [pid 8140] set_robust_list(0x7f6a589f59e0, 24 [pid 5000] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8140] <... set_robust_list resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./164/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8140] memfd_create("syzkaller", 0) = 3 [pid 5000] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8141] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./164/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8141] chdir("./164") = 0 [pid 5000] <... openat resumed>) = 4 [pid 8140] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8141] setpgid(0, 0) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 8141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] getdents64(4, [pid 8141] <... openat resumed>) = 3 [pid 8141] write(3, "1000", 4) = 4 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8141] close(3 [pid 5000] close(4 [pid 8141] <... close resumed>) = 0 [pid 8141] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./164/bus" [pid 8141] <... symlink resumed>) = 0 [pid 8141] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... rmdir resumed>) = 0 [pid 8141] <... futex resumed>) = 0 [pid 8141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 5000] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8141] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./164/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8141] <... mprotect resumed>) = 0 [pid 5000] unlink("./164/binderfs" [pid 8141] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... unlink resumed>) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3 [pid 8141] <... clone resumed>, parent_tid=[8142], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8142 [pid 5000] <... close resumed>) = 0 [pid 8141] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] rmdir("./164" [pid 8141] <... futex resumed>) = 0 [pid 8141] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8142 attached [pid 5000] <... rmdir resumed>) = 0 [pid 8142] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 5000] mkdir("./165", 0777 [pid 8142] memfd_create("syzkaller", 0 [pid 5000] <... mkdir resumed>) = 0 [pid 8142] <... memfd_create resumed>) = 3 [pid 8142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8142] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8143 ./strace-static-x86_64: Process 8143 attached [pid 8143] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8143] chdir("./165") = 0 [pid 8143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8143] setpgid(0, 0) = 0 [pid 8143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8143] write(3, "1000", 4) = 4 [pid 8143] close(3) = 0 [pid 8143] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8143] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8138] <... write resumed>) = 4194304 [pid 8143] <... futex resumed>) = 0 [pid 8143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8138] munmap(0x7f6a505d5000, 4194304 [pid 8143] <... mmap resumed>) = 0x7f6a589d5000 [pid 8143] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8143] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8138] <... munmap resumed>) = 0 [pid 8138] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8143] <... clone resumed>, parent_tid=[8144], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8144 [pid 8138] <... openat resumed>) = 4 [pid 8143] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8143] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8138] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 8144 attached [pid 8144] set_robust_list(0x7f6a589f59e0, 24 [pid 8140] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8138] <... ioctl resumed>) = 0 [pid 8144] <... set_robust_list resumed>) = 0 [pid 8144] memfd_create("syzkaller", 0) = 3 [pid 8144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8142] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8138] close(3) = 0 [pid 8138] mkdir("./bus", 0777) = 0 [pid 8138] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8142] <... write resumed>) = 4194304 [pid 8142] munmap(0x7f6a505d5000, 4194304) = 0 [ 199.991872][ T8138] loop4: detected capacity change from 0 to 8192 [ 200.025126][ T8138] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8142] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8144] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8140] <... write resumed>) = 4194304 [pid 8142] ioctl(4, LOOP_SET_FD, 3 [pid 8140] munmap(0x7f6a505d5000, 4194304 [pid 8142] <... ioctl resumed>) = 0 [pid 8140] <... munmap resumed>) = 0 [pid 8142] close(3) = 0 [pid 8140] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8142] mkdir("./bus", 0777 [pid 8140] ioctl(4, LOOP_SET_FD, 3 [pid 8144] <... write resumed>) = 4194304 [pid 8144] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8144] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8144] ioctl(4, LOOP_SET_FD, 3 [pid 8142] <... mkdir resumed>) = 0 [pid 8144] <... ioctl resumed>) = 0 [pid 8144] close(3) = 0 [pid 8144] mkdir("./bus", 0777) = 0 [pid 8144] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8140] <... ioctl resumed>) = 0 [pid 8140] close(3) = 0 [pid 8140] mkdir("./bus", 0777) = 0 [ 200.062175][ T8138] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 200.072380][ T8138] REISERFS (device loop4): using ordered data mode [ 200.079577][ T8142] loop0: detected capacity change from 0 to 8192 [ 200.088931][ T8138] reiserfs: using flush barriers [ 200.094975][ T8140] loop1: detected capacity change from 0 to 8192 [ 200.102337][ T8144] loop3: detected capacity change from 0 to 8192 [pid 8140] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 200.103926][ T8138] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 200.118175][ T8140] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 200.125613][ T8138] REISERFS (device loop4): checking transaction log (loop4) [ 200.138026][ T8140] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 200.145492][ T8144] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 200.154525][ T8140] REISERFS (device loop1): using ordered data mode [ 200.174032][ T8140] reiserfs: using flush barriers [ 200.179173][ T8142] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 200.180135][ T8140] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 200.192936][ T8138] REISERFS (device loop4): Using r5 hash to sort names [ 200.208735][ T8140] REISERFS (device loop1): checking transaction log (loop1) [ 200.216182][ T8142] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 200.222849][ T8144] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 200.232625][ T8138] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 200.241085][ T8142] REISERFS (device loop0): using ordered data mode [ 200.255176][ T8140] REISERFS (device loop1): Using r5 hash to sort names [ 200.260208][ T8142] reiserfs: using flush barriers [ 200.261076][ T8138] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 200.267817][ T8140] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 200.272103][ T8142] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8142] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8138] <... mount resumed>) = 0 [pid 8138] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8138] chdir("./bus") = 0 [pid 8138] ioctl(4, LOOP_CLR_FD [pid 8140] <... mount resumed>) = 0 [pid 8138] <... ioctl resumed>) = 0 [pid 8140] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8140] chdir("./bus") = 0 [pid 8140] ioctl(4, LOOP_CLR_FD) = 0 [pid 8140] close(4) = 0 [pid 8140] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 200.282330][ T8144] REISERFS (device loop3): using ordered data mode [ 200.294350][ T8142] REISERFS (device loop0): checking transaction log (loop0) [ 200.325020][ T8140] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 200.325512][ T8144] reiserfs: using flush barriers [ 200.340811][ T8142] REISERFS (device loop0): Using r5 hash to sort names [pid 8140] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8139] <... futex resumed>) = 0 [pid 8138] close(4 [pid 8139] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8138] <... close resumed>) = 0 [pid 8139] <... futex resumed>) = 1 [pid 8138] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] <... futex resumed>) = 0 [pid 8139] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8138] <... futex resumed>) = 1 [pid 8137] <... futex resumed>) = 0 [pid 8140] mkdir("./file1", 000 [pid 8137] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] <... mkdir resumed>) = 0 [pid 8138] mkdir("./file1", 000 [pid 8137] <... futex resumed>) = 0 [pid 8140] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8138] <... mkdir resumed>) = 0 [pid 8137] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8139] <... futex resumed>) = 0 [ 200.344825][ T8144] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 200.357818][ T8142] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 200.366947][ T8144] REISERFS (device loop3): checking transaction log (loop3) [ 200.385603][ T8144] REISERFS (device loop3): Using r5 hash to sort names [ 200.394932][ T8144] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8140] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8139] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8138] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8142] <... mount resumed>) = 0 [pid 8140] <... futex resumed>) = 0 [pid 8139] <... futex resumed>) = 1 [pid 8138] <... futex resumed>) = 1 [pid 8137] <... futex resumed>) = 0 [pid 8140] mkdir("./bus", 000 [pid 8139] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8138] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8137] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] <... mkdir resumed>) = 0 [pid 8138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8137] <... futex resumed>) = 0 [pid 8140] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8138] mkdir("./bus", 000 [pid 8137] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8140] <... futex resumed>) = 1 [pid 8139] <... futex resumed>) = 0 [pid 8138] <... mkdir resumed>) = 0 [pid 8140] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8139] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8138] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8139] <... futex resumed>) = 0 [pid 8138] <... futex resumed>) = 1 [pid 8137] <... futex resumed>) = 0 [pid 8139] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8138] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8137] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8137] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8142] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8142] chdir("./bus") = 0 [pid 8142] ioctl(4, LOOP_CLR_FD) = 0 [pid 8142] close(4) = 0 [pid 8142] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8141] <... futex resumed>) = 0 [pid 8141] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8141] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8142] <... futex resumed>) = 1 [pid 8142] mkdir("./file1", 000) = 0 [pid 8142] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8141] <... futex resumed>) = 0 [pid 8141] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8141] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8142] <... futex resumed>) = 1 [pid 8142] mkdir("./bus", 000) = 0 [pid 8142] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8141] <... futex resumed>) = 0 [pid 8141] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8142] <... futex resumed>) = 1 [pid 8141] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 200.400016][ T8142] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 200.408746][ T8144] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 200.427854][ T8138] overlayfs: upper fs needs to support d_type. [ 200.432545][ T8140] overlayfs: upper fs needs to support d_type. [ 200.446104][ T8140] overlayfs: upper fs does not support tmpfile. [ 200.447271][ T8138] overlayfs: upper fs does not support tmpfile. [pid 8142] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8139] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8137] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8139] <... futex resumed>) = 0 [pid 8137] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8137] <... futex resumed>) = 0 [pid 8139] <... mmap resumed>) = 0x7f6a509b4000 [pid 8137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8139] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8137] <... mmap resumed>) = 0x7f6a509b4000 [pid 8139] <... mprotect resumed>) = 0 [pid 8137] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8139] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8137] <... mprotect resumed>) = 0 [pid 8137] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8139] <... clone resumed>, parent_tid=[8149], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8149 [pid 8139] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8137] <... clone resumed>, parent_tid=[8150], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8150 [pid 8139] <... futex resumed>) = 0 [pid 8137] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8139] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8137] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8150 attached [pid 8150] set_robust_list(0x7f6a509d49e0, 24 [pid 8144] <... mount resumed>) = 0 [pid 8150] <... set_robust_list resumed>) = 0 [pid 8137] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8150] mkdir(".", 0777 [pid 8144] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8141] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8141] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8141] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8151], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8151 [pid 8141] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8150] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8144] <... openat resumed>) = 3 [pid 8141] <... futex resumed>) = 0 [pid 8141] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8151 attached [pid 8150] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8144] chdir("./bus"./strace-static-x86_64: Process 8149 attached [pid 8149] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8149] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8144] <... chdir resumed>) = 0 [pid 8144] ioctl(4, LOOP_CLR_FD) = 0 [ 200.452973][ T8142] overlayfs: upper fs needs to support d_type. [ 200.465747][ T8142] overlayfs: upper fs does not support tmpfile. [ 200.481955][ T8138] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 200.484027][ T8140] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 200.490581][ T8138] overlayfs: failed to resolve './file0': -2 [pid 8149] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8151] set_robust_list(0x7f6a509d49e0, 24 [pid 8144] close(4 [pid 8151] <... set_robust_list resumed>) = 0 [pid 8144] <... close resumed>) = 0 [pid 8151] mkdir(".", 0777 [pid 8144] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8151] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8144] <... futex resumed>) = 1 [pid 8143] <... futex resumed>) = 0 [pid 8151] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8144] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8143] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8143] <... futex resumed>) = 0 [pid 8144] mkdir("./file1", 000 [pid 8143] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8144] <... mkdir resumed>) = 0 [pid 8144] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8150] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8150] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8137] <... futex resumed>) = 0 [pid 8150] <... futex resumed>) = 1 [pid 8150] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8144] <... futex resumed>) = 1 [pid 8143] <... futex resumed>) = 0 [ 200.510956][ T8150] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 200.519066][ T8142] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 200.539930][ T8151] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8143] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8151] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8149] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8144] mkdir("./bus", 000 [pid 8143] <... futex resumed>) = 0 [pid 8144] <... mkdir resumed>) = 0 [pid 8143] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8144] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8143] <... futex resumed>) = 0 [pid 8144] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8143] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8138] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8143] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8138] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8149] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8149] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8137] exit_group(0) = ? [pid 8150] <... futex resumed>) = ? [pid 8139] <... futex resumed>) = 0 [pid 8150] +++ exited with 0 +++ [pid 8138] <... futex resumed>) = ? [pid 8151] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8138] +++ exited with 0 +++ [pid 8137] +++ exited with 0 +++ [pid 8151] <... futex resumed>) = 1 [pid 8141] <... futex resumed>) = 0 [pid 8151] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8137, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8142] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] <... openat resumed>) = 3 [pid 8142] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] fstat(3, [pid 8142] <... futex resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8142] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] getdents64(3, [pid 8141] exit_group(0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8151] <... futex resumed>) = ? [pid 8142] <... futex resumed>) = ? [pid 8141] <... exit_group resumed>) = ? [pid 8151] +++ exited with 0 +++ [pid 8142] +++ exited with 0 +++ [pid 8141] +++ exited with 0 +++ [pid 5001] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8141, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8140] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8140] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8139] exit_group(0 [pid 8149] <... futex resumed>) = ? [pid 8139] <... exit_group resumed>) = ? [pid 8149] +++ exited with 0 +++ [pid 8140] +++ exited with 0 +++ [pid 8139] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8139, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [ 200.555743][ T8149] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 200.567769][ T8142] overlayfs: failed to resolve './file0': -2 [ 200.574370][ T8144] overlayfs: upper fs needs to support d_type. [ 200.578045][ T8140] overlayfs: failed to resolve './file0': -2 [ 200.592680][ T8144] overlayfs: upper fs does not support tmpfile. [ 200.599986][ T8144] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 200.608599][ T8144] overlayfs: failed to resolve './file0': -2 [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8144] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8144] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8143] <... futex resumed>) = 0 [pid 8144] mkdir(".", 0777 [pid 8143] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8144] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8143] <... futex resumed>) = 0 [pid 8144] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8143] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 8144] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8144] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8143] <... futex resumed>) = 0 [pid 8143] exit_group(0) = ? [pid 8144] <... futex resumed>) = ? [pid 4998] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./165/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8144] +++ exited with 0 +++ [pid 8143] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8143, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 4998] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, [pid 4998] openat(AT_FDCWD, "./165/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... openat resumed>) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./165/bus") = 0 [pid 4998] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 200.643477][ T8144] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] unlink("./165/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./165") = 0 [pid 4998] mkdir("./166", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] <... umount2 resumed>) = 0 [pid 4998] close(3 [pid 5001] <... umount2 resumed>) = 0 [pid 4997] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./164/bus", [pid 4997] lstat("./164/bus", [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... close resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./164/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] openat(AT_FDCWD, "./164/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 4 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... openat resumed>) = 4 [pid 5001] fstat(4, [pid 4997] fstat(4, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, [pid 4997] getdents64(4, [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, [pid 4997] getdents64(4, [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4 [pid 4997] close(4 [pid 5001] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 5001] rmdir("./164/bus" [pid 4997] rmdir("./164/bus" [pid 5001] <... rmdir resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 5001] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./164/binderfs", [pid 4997] lstat("./164/binderfs", [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./164/binderfs" [pid 4997] unlink("./164/binderfs" [pid 5001] <... unlink resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 5001] getdents64(3, [pid 4997] getdents64(3, [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3 [pid 4997] close(3 [pid 5001] <... close resumed>) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8152 [pid 5001] rmdir("./164" [pid 4997] <... close resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] rmdir("./164" [pid 5001] mkdir("./165", 0777 [pid 4997] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8152 attached [pid 5001] <... mkdir resumed>) = 0 [pid 4997] mkdir("./165", 0777 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4997] <... mkdir resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] <... openat resumed>) = 3 [pid 5001] close(3 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 8152] set_robust_list(0x5555564f86e0, 24 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... close resumed>) = 0 [pid 4997] close(3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... close resumed>) = 0 [pid 8152] <... set_robust_list resumed>) = 0 [pid 8152] chdir("./166" [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8152] <... chdir resumed>) = 0 [pid 8152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8153 [pid 8152] <... prctl resumed>) = 0 [pid 8152] setpgid(0, 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8154 [pid 8152] <... setpgid resumed>) = 0 [pid 8152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8152] write(3, "1000", 4) = 4 [pid 8152] close(3) = 0 [pid 8152] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8152] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8152] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8152] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8153 attached [pid 8153] set_robust_list(0x5555564f86e0, 24 [pid 8152] <... clone resumed>, parent_tid=[8155], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8155 [pid 8152] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8153] <... set_robust_list resumed>) = 0 [pid 8152] <... futex resumed>) = 0 [pid 8153] chdir("./165" [pid 8152] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8154 attached [pid 8153] <... chdir resumed>) = 0 [pid 8154] set_robust_list(0x5555564f86e0, 24 [pid 8153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8154] <... set_robust_list resumed>) = 0 [pid 8153] <... prctl resumed>) = 0 [pid 8153] setpgid(0, 0) = 0 [pid 8153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8154] chdir("./165" [pid 8153] <... openat resumed>) = 3 [pid 8154] <... chdir resumed>) = 0 [pid 8153] write(3, "1000", 4 [pid 8154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8153] <... write resumed>) = 4 [pid 8154] <... prctl resumed>) = 0 [pid 8153] close(3) = 0 [pid 8153] symlink("/dev/binderfs", "./binderfs" [pid 8154] setpgid(0, 0 [pid 8153] <... symlink resumed>) = 0 [pid 8154] <... setpgid resumed>) = 0 [pid 8153] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8155 attached [pid 8154] <... openat resumed>) = 3 [pid 8153] <... mmap resumed>) = 0x7f6a589d5000 [pid 8155] set_robust_list(0x7f6a589f59e0, 24 [pid 8154] write(3, "1000", 4 [pid 8153] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8155] <... set_robust_list resumed>) = 0 [pid 8154] <... write resumed>) = 4 [pid 8153] <... mprotect resumed>) = 0 [pid 8155] memfd_create("syzkaller", 0 [pid 8154] close(3 [pid 8153] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8155] <... memfd_create resumed>) = 3 [pid 8154] <... close resumed>) = 0 [pid 8155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8154] symlink("/dev/binderfs", "./binderfs" [pid 8153] <... clone resumed>, parent_tid=[8156], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8156 [pid 8155] <... mmap resumed>) = 0x7f6a505d5000 [pid 8154] <... symlink resumed>) = 0 [pid 8153] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8154] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8153] <... futex resumed>) = 0 [pid 8154] <... futex resumed>) = 0 [pid 8153] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8154] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 8156 attached ) = 0 [pid 8154] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8156] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8154] <... clone resumed>, parent_tid=[8157], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8157 [pid 8154] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8156] memfd_create("syzkaller", 0 [pid 8154] <... futex resumed>) = 0 [pid 8154] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8156] <... memfd_create resumed>) = 3 [pid 8156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./165/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 8157 attached [pid 8157] set_robust_list(0x7f6a589f59e0, 24 [pid 5000] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8157] <... set_robust_list resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./165/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8157] memfd_create("syzkaller", 0 [pid 5000] fstat(4, [pid 8157] <... memfd_create resumed>) = 3 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] getdents64(4, [pid 8157] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./165/bus") = 0 [pid 5000] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./165/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./165") = 0 [pid 5000] mkdir("./166", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8158 ./strace-static-x86_64: Process 8158 attached [pid 8155] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8158] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8158] chdir("./166") = 0 [pid 8158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8158] setpgid(0, 0) = 0 [pid 8158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8158] write(3, "1000", 4) = 4 [pid 8158] close(3) = 0 [pid 8158] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8158] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8157] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8156] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8158] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8158] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8159], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8159 [pid 8158] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8158] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8159 attached [pid 8159] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8159] memfd_create("syzkaller", 0) = 3 [pid 8159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8155] <... write resumed>) = 4194304 [pid 8155] munmap(0x7f6a505d5000, 4194304 [pid 8157] <... write resumed>) = 4194304 [pid 8155] <... munmap resumed>) = 0 [pid 8157] munmap(0x7f6a505d5000, 4194304 [pid 8155] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8155] ioctl(4, LOOP_SET_FD, 3 [pid 8159] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8157] <... munmap resumed>) = 0 [pid 8157] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8156] <... write resumed>) = 4194304 [pid 8155] <... ioctl resumed>) = 0 [pid 8157] <... openat resumed>) = 4 [pid 8157] ioctl(4, LOOP_SET_FD, 3 [pid 8159] <... write resumed>) = 4194304 [pid 8156] munmap(0x7f6a505d5000, 4194304 [pid 8155] close(3 [pid 8156] <... munmap resumed>) = 0 [pid 8156] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8156] ioctl(4, LOOP_SET_FD, 3 [pid 8157] <... ioctl resumed>) = 0 [pid 8157] close(3) = 0 [pid 8159] munmap(0x7f6a505d5000, 4194304 [pid 8157] mkdir("./bus", 0777 [pid 8155] <... close resumed>) = 0 [pid 8156] <... ioctl resumed>) = 0 [pid 8156] close(3) = 0 [pid 8155] mkdir("./bus", 0777 [pid 8157] <... mkdir resumed>) = 0 [pid 8156] mkdir("./bus", 0777 [pid 8157] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8155] <... mkdir resumed>) = 0 [pid 8155] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8156] <... mkdir resumed>) = 0 [pid 8156] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8159] <... munmap resumed>) = 0 [pid 8159] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 200.906057][ T8155] loop1: detected capacity change from 0 to 8192 [ 200.926320][ T8157] loop0: detected capacity change from 0 to 8192 [ 200.930765][ T8156] loop4: detected capacity change from 0 to 8192 [ 200.947948][ T8156] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 200.949041][ T8159] loop3: detected capacity change from 0 to 8192 [ 200.961602][ T8156] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 200.967449][ T8157] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 200.976615][ T8156] REISERFS (device loop4): using ordered data mode [pid 8159] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8159] close(3) = 0 [pid 8159] mkdir("./bus", 0777) = 0 [ 200.990497][ T8155] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 200.996042][ T8156] reiserfs: using flush barriers [ 201.009069][ T8155] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 201.019556][ T8157] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 201.024174][ T8155] REISERFS (device loop1): using ordered data mode [ 201.032648][ T8156] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 201.039179][ T8157] REISERFS (device loop0): using ordered data mode [ 201.056193][ T8155] reiserfs: using flush barriers [ 201.067219][ T8159] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 201.068109][ T8156] REISERFS (device loop4): checking transaction log (loop4) [ 201.087593][ T8157] reiserfs: using flush barriers [ 201.089523][ T8159] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 201.093173][ T8156] REISERFS (device loop4): Using r5 hash to sort names [ 201.102858][ T8159] REISERFS (device loop3): using ordered data mode [ 201.109040][ T8155] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 201.115492][ T8159] reiserfs: using flush barriers [ 201.132730][ T8157] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8159] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8156] <... mount resumed>) = 0 [pid 8156] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8156] chdir("./bus") = 0 [pid 8156] ioctl(4, LOOP_CLR_FD) = 0 [pid 8156] close(4) = 0 [pid 8156] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8153] <... futex resumed>) = 0 [pid 8153] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8153] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8156] <... futex resumed>) = 1 [pid 8156] mkdir("./file1", 000) = 0 [pid 8156] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8153] <... futex resumed>) = 0 [pid 8153] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8153] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8156] <... futex resumed>) = 1 [pid 8156] mkdir("./bus", 000) = 0 [pid 8156] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8153] <... futex resumed>) = 0 [pid 8153] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8153] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8156] <... futex resumed>) = 1 [ 201.137672][ T8156] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 201.153003][ T8159] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 201.165539][ T8156] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 201.181902][ T8155] REISERFS (device loop1): checking transaction log (loop1) [ 201.198725][ T8157] REISERFS (device loop0): checking transaction log (loop0) [ 201.206664][ T8159] REISERFS (device loop3): checking transaction log (loop3) [ 201.214924][ T8156] overlayfs: upper fs needs to support d_type. [ 201.221580][ T8156] overlayfs: upper fs does not support tmpfile. [ 201.226440][ T8155] REISERFS (device loop1): Using r5 hash to sort names [ 201.228628][ T8156] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 201.235655][ T8155] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8156] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8153] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8153] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8153] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8153] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8164], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8164 [pid 8153] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8153] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8164 attached [pid 8155] <... mount resumed>) = 0 [pid 8164] set_robust_list(0x7f6a509d49e0, 24 [ 201.242165][ T8157] REISERFS (device loop0): Using r5 hash to sort names [ 201.254791][ T8155] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 201.265824][ T8156] overlayfs: failed to resolve './file0': -2 [ 201.272024][ T8157] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 201.278013][ T8159] REISERFS (device loop3): Using r5 hash to sort names [ 201.289844][ T8157] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8155] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8164] <... set_robust_list resumed>) = 0 [pid 8157] <... mount resumed>) = 0 [pid 8155] <... openat resumed>) = 3 [pid 8164] mkdir(".", 0777 [pid 8155] chdir("./bus" [pid 8164] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8155] <... chdir resumed>) = 0 [pid 8164] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8155] ioctl(4, LOOP_CLR_FD) = 0 [pid 8155] close(4) = 0 [pid 8155] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8155] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8157] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8157] chdir("./bus" [pid 8152] <... futex resumed>) = 0 [pid 8157] <... chdir resumed>) = 0 [pid 8157] ioctl(4, LOOP_CLR_FD) = 0 [pid 8157] close(4) = 0 [pid 8157] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8154] <... futex resumed>) = 0 [pid 8154] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8154] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8157] <... futex resumed>) = 1 [pid 8157] mkdir("./file1", 000) = 0 [pid 8157] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8154] <... futex resumed>) = 0 [pid 8154] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8154] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8157] <... futex resumed>) = 1 [pid 8157] mkdir("./bus", 000) = 0 [pid 8156] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8152] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8157] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8154] <... futex resumed>) = 0 [pid 8154] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8154] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8156] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8155] <... futex resumed>) = 0 [pid 8152] <... futex resumed>) = 1 [pid 8156] <... futex resumed>) = 0 [pid 8155] mkdir("./file1", 000 [pid 8152] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8157] <... futex resumed>) = 1 [pid 8155] <... mkdir resumed>) = 0 [pid 8157] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8155] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8155] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8159] <... mount resumed>) = 0 [pid 8159] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8159] chdir("./bus") = 0 [pid 8159] ioctl(4, LOOP_CLR_FD) = 0 [pid 8159] close(4) = 0 [pid 8159] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8158] <... futex resumed>) = 0 [pid 8158] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8158] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8159] <... futex resumed>) = 1 [pid 8159] mkdir("./file1", 000) = 0 [pid 8159] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8158] <... futex resumed>) = 0 [pid 8158] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8158] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8159] <... futex resumed>) = 1 [pid 8159] mkdir("./bus", 000) = 0 [pid 8159] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8158] <... futex resumed>) = 0 [pid 8158] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8158] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8159] <... futex resumed>) = 1 [pid 8159] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8156] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 201.296882][ T8159] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 201.319431][ T8159] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 201.332600][ T8164] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 201.348204][ T8157] overlayfs: upper fs needs to support d_type. [pid 8152] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8164] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8155] <... futex resumed>) = 0 [pid 8152] <... futex resumed>) = 1 [pid 8155] mkdir("./bus", 000) = 0 [pid 8155] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8155] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8164] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8152] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8164] <... futex resumed>) = 1 [pid 8153] <... futex resumed>) = 0 [pid 8152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8164] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8153] exit_group(0 [pid 8152] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8164] <... futex resumed>) = ? [pid 8156] <... futex resumed>) = ? [pid 8153] <... exit_group resumed>) = ? [pid 8164] +++ exited with 0 +++ [pid 8156] +++ exited with 0 +++ [pid 8155] <... futex resumed>) = 0 [pid 8152] <... futex resumed>) = 1 [pid 8155] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8154] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8153] +++ exited with 0 +++ [pid 8158] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8154] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8152] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8153, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 8158] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8154] <... futex resumed>) = 0 [ 201.356980][ T8159] overlayfs: upper fs needs to support d_type. [ 201.364650][ T8159] overlayfs: upper fs does not support tmpfile. [ 201.372619][ T8159] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 201.382889][ T8159] overlayfs: failed to resolve './file0': -2 [ 201.388694][ T8155] overlayfs: upper fs needs to support d_type. [ 201.389760][ T8157] overlayfs: upper fs does not support tmpfile. [pid 8159] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8158] <... futex resumed>) = 0 [pid 8154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8154] <... mmap resumed>) = 0x7f6a509b4000 [pid 5001] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8158] <... mmap resumed>) = 0x7f6a509b4000 [pid 8154] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8158] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8154] <... mprotect resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8158] <... mprotect resumed>) = 0 [pid 8154] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... openat resumed>) = 3 [pid 8158] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] fstat(3, [pid 8154] <... clone resumed>, parent_tid=[8165], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8165 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8158] <... clone resumed>, parent_tid=[8166], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8166 [pid 8154] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] getdents64(3, [pid 8158] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8154] <... futex resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8158] <... futex resumed>) = 0 [pid 8154] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8166 attached [pid 8159] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8158] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8165 attached [pid 8166] set_robust_list(0x7f6a509d49e0, 24 [pid 8159] <... futex resumed>) = 0 [pid 8165] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8165] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8165] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8166] <... set_robust_list resumed>) = 0 [pid 8159] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8166] mkdir(".", 0777) = -1 EEXIST (File exists) [ 201.402814][ T8155] overlayfs: upper fs does not support tmpfile. [ 201.410447][ T8157] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 201.418654][ T8155] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 201.426999][ T8155] overlayfs: failed to resolve './file0': -2 [ 201.435980][ T8157] overlayfs: failed to resolve './file0': -2 [pid 8166] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8166] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8152] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = 0 [pid 8166] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8152] <... futex resumed>) = 0 [pid 8166] <... futex resumed>) = 1 [pid 8152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8166] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8152] <... mmap resumed>) = 0x7f6a509b4000 [pid 8152] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8152] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8167], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8167 [pid 8152] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8152] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8158] <... futex resumed>) = 0 [pid 8165] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8165] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8167 attached ) = 1 [pid 8158] exit_group(0 [pid 8157] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8155] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8154] <... futex resumed>) = 0 [pid 5001] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8166] <... futex resumed>) = ? [pid 8159] <... futex resumed>) = ? [pid 8167] set_robust_list(0x7f6a509d49e0, 24 [pid 8165] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8158] <... exit_group resumed>) = ? [pid 8157] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8155] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8166] +++ exited with 0 +++ [pid 8159] +++ exited with 0 +++ [pid 8157] <... futex resumed>) = 0 [pid 8155] <... futex resumed>) = 0 [pid 8167] <... set_robust_list resumed>) = 0 [pid 8157] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8155] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] lstat("./165/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./165/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8158] +++ exited with 0 +++ [pid 5001] <... openat resumed>) = 4 [pid 8154] exit_group(0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8158, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 8167] mkdir(".", 0777 [pid 8157] <... futex resumed>) = ? [pid 8154] <... exit_group resumed>) = ? [pid 5001] fstat(4, [pid 8157] +++ exited with 0 +++ [pid 8165] <... futex resumed>) = ? [pid 5000] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8165] +++ exited with 0 +++ [pid 8154] +++ exited with 0 +++ [pid 8167] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8167] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8154, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5001] close(4) = 0 [pid 5001] rmdir("./165/bus") = 0 [pid 5001] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] lstat("./165/binderfs", [pid 4997] <... openat resumed>) = 3 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] fstat(3, [pid 5001] unlink("./165/binderfs" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4997] getdents64(3, [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] close(3 [pid 4997] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... close resumed>) = 0 [pid 5001] rmdir("./165") = 0 [pid 5001] mkdir("./166", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8168 ./strace-static-x86_64: Process 8168 attached [ 201.447374][ T8166] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 201.462534][ T8165] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8168] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8168] chdir("./166") = 0 [pid 8168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8168] setpgid(0, 0) = 0 [pid 8168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8168] write(3, "1000", 4) = 4 [pid 8168] close(3) = 0 [pid 8168] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8168] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8167] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8168] <... mmap resumed>) = 0x7f6a589d5000 [pid 8167] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8152] <... futex resumed>) = 0 [pid 8167] <... futex resumed>) = 1 [pid 8168] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8152] exit_group(0 [pid 8168] <... mprotect resumed>) = 0 [pid 8155] <... futex resumed>) = ? [pid 8152] <... exit_group resumed>) = ? [pid 8155] +++ exited with 0 +++ [pid 8167] +++ exited with 0 +++ [pid 8152] +++ exited with 0 +++ [pid 8168] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8152, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 8168] <... clone resumed>, parent_tid=[8169], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8169 [pid 8168] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8168] <... futex resumed>) = 0 [pid 8168] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, ./strace-static-x86_64: Process 8169 attached 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8169] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 4998] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8169] memfd_create("syzkaller", 0) = 3 [pid 8169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 201.505575][ T8167] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./166/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./166/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./166/bus") = 0 [pid 5000] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./166/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./166") = 0 [pid 5000] mkdir("./167", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./165/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./165/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./165/bus" [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... rmdir resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8170 [pid 4997] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./165/binderfs") = 0 [pid 8169] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./165") = 0 [pid 4997] mkdir("./166", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8170 attached [pid 8170] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8170] chdir("./167" [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8171 [pid 8170] <... chdir resumed>) = 0 [pid 8170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8170] setpgid(0, 0) = 0 [pid 8170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8170] write(3, "1000", 4) = 4 [pid 8170] close(3) = 0 [pid 8170] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8170] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8170] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8170] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8172], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8172 [pid 8170] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8170] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8171 attached [pid 8171] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8171] chdir("./166") = 0 [pid 8171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8171] setpgid(0, 0) = 0 [pid 8171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8171] write(3, "1000", 4) = 4 [pid 8171] close(3) = 0 [pid 8171] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8171] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8171] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8171] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8173], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8173 [pid 8171] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8171] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8173 attached [pid 8173] set_robust_list(0x7f6a589f59e0, 24) = 0 ./strace-static-x86_64: Process 8172 attached [pid 8172] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8173] memfd_create("syzkaller", 0 [pid 8172] memfd_create("syzkaller", 0 [pid 8173] <... memfd_create resumed>) = 3 [pid 8173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8172] <... memfd_create resumed>) = 3 [pid 8172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8173] <... mmap resumed>) = 0x7f6a505d5000 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./166/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./166/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./166/bus") = 0 [pid 4998] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./166/binderfs", [pid 8173] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8172] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8169] <... write resumed>) = 4194304 [pid 4998] unlink("./166/binderfs" [pid 8169] munmap(0x7f6a505d5000, 4194304 [pid 4998] <... unlink resumed>) = 0 [pid 8169] <... munmap resumed>) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./166") = 0 [pid 4998] mkdir("./167", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 8169] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8169] <... openat resumed>) = 4 [pid 4998] close(3 [pid 8169] ioctl(4, LOOP_SET_FD, 3 [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8174 ./strace-static-x86_64: Process 8174 attached [pid 8174] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8174] chdir("./167") = 0 [pid 8174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8174] setpgid(0, 0) = 0 [pid 8174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8174] write(3, "1000", 4) = 4 [pid 8174] close(3) = 0 [pid 8174] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8174] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8174] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8174] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8175], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8175 [pid 8174] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8174] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8169] <... ioctl resumed>) = 0 [pid 8169] close(3) = 0 [pid 8169] mkdir("./bus", 0777) = 0 [pid 8169] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8175 attached [pid 8175] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8175] memfd_create("syzkaller", 0) = 3 [pid 8175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8173] <... write resumed>) = 4194304 [pid 8172] <... write resumed>) = 4194304 [pid 8173] munmap(0x7f6a505d5000, 4194304 [pid 8172] munmap(0x7f6a505d5000, 4194304 [pid 8173] <... munmap resumed>) = 0 [pid 8172] <... munmap resumed>) = 0 [pid 8172] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8173] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8172] <... openat resumed>) = 4 [pid 8173] <... openat resumed>) = 4 [ 201.693917][ T8169] loop4: detected capacity change from 0 to 8192 [ 201.719172][ T8169] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 201.732828][ T8169] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8172] ioctl(4, LOOP_SET_FD, 3 [pid 8173] ioctl(4, LOOP_SET_FD, 3 [pid 8175] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8173] <... ioctl resumed>) = 0 [pid 8172] <... ioctl resumed>) = 0 [pid 8173] close(3 [pid 8172] close(3 [pid 8173] <... close resumed>) = 0 [pid 8172] <... close resumed>) = 0 [pid 8173] mkdir("./bus", 0777 [pid 8172] mkdir("./bus", 0777 [pid 8173] <... mkdir resumed>) = 0 [pid 8172] <... mkdir resumed>) = 0 [pid 8173] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 201.747311][ T8172] loop3: detected capacity change from 0 to 8192 [ 201.754043][ T8173] loop0: detected capacity change from 0 to 8192 [ 201.760741][ T8169] REISERFS (device loop4): using ordered data mode [ 201.767521][ T8169] reiserfs: using flush barriers [ 201.776927][ T8169] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8172] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8175] <... write resumed>) = 4194304 [pid 8175] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8175] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 201.776999][ T8173] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 201.793411][ T8169] REISERFS (device loop4): checking transaction log (loop4) [ 201.806486][ T8172] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 201.814283][ T8169] REISERFS (device loop4): Using r5 hash to sort names [ 201.833428][ T8169] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8175] ioctl(4, LOOP_SET_FD, 3 [pid 8169] <... mount resumed>) = 0 [pid 8175] <... ioctl resumed>) = 0 [pid 8175] close(3) = 0 [pid 8175] mkdir("./bus", 0777) = 0 [pid 8175] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 201.838611][ T8175] loop1: detected capacity change from 0 to 8192 [ 201.846349][ T8169] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 201.853556][ T8172] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 201.861894][ T8173] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 201.873859][ T8172] REISERFS (device loop3): using ordered data mode [ 201.880567][ T8173] REISERFS (device loop0): using ordered data mode [ 201.893088][ T8173] reiserfs: using flush barriers [pid 8169] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8169] chdir("./bus") = 0 [pid 8169] ioctl(4, LOOP_CLR_FD) = 0 [pid 8169] close(4) = 0 [pid 8169] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8168] <... futex resumed>) = 0 [pid 8168] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8168] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 201.893957][ T8172] reiserfs: using flush barriers [ 201.899348][ T8173] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 201.921393][ T8175] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 201.936462][ T8175] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8169] mkdir("./file1", 000) = 0 [pid 8169] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8168] <... futex resumed>) = 0 [pid 8169] mkdir("./bus", 000 [pid 8168] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8169] <... mkdir resumed>) = 0 [pid 8168] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8169] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8168] <... futex resumed>) = 0 [pid 8168] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8168] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 201.936738][ T8173] REISERFS (device loop0): checking transaction log (loop0) [ 201.954578][ T8175] REISERFS (device loop1): using ordered data mode [ 201.961392][ T8172] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 201.961558][ T8175] reiserfs: using flush barriers [ 201.977816][ T8169] overlayfs: upper fs needs to support d_type. [ 201.984708][ T8172] REISERFS (device loop3): checking transaction log (loop3) [pid 8169] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8168] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8168] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8168] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8168] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8180], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8180 [pid 8168] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8168] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8180 attached [pid 8180] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8180] mkdir(".", 0777) = -1 EEXIST (File exists) [ 201.989475][ T8173] REISERFS (device loop0): Using r5 hash to sort names [ 201.995885][ T8175] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 202.003190][ T8169] overlayfs: upper fs does not support tmpfile. [ 202.019026][ T8173] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 202.031243][ T8172] REISERFS (device loop3): Using r5 hash to sort names [pid 8180] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8173] <... mount resumed>) = 0 [pid 8173] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 202.037862][ T8173] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 202.054351][ T8175] REISERFS (device loop1): checking transaction log (loop1) [ 202.056111][ T8172] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 202.062141][ T8169] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 202.074633][ T8180] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8173] chdir("./bus") = 0 [pid 8173] ioctl(4, LOOP_CLR_FD [pid 8172] <... mount resumed>) = 0 [pid 8180] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8180] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8173] <... ioctl resumed>) = 0 [pid 8168] <... futex resumed>) = 0 [pid 8180] <... futex resumed>) = 1 [pid 8180] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8172] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8172] chdir("./bus") = 0 [pid 8172] ioctl(4, LOOP_CLR_FD) = 0 [pid 8172] close(4 [pid 8173] close(4 [pid 8172] <... close resumed>) = 0 [pid 8172] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8170] <... futex resumed>) = 0 [pid 8170] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8170] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8172] <... futex resumed>) = 1 [pid 8172] mkdir("./file1", 000) = 0 [pid 8172] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8170] <... futex resumed>) = 0 [pid 8170] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8170] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8172] <... futex resumed>) = 1 [pid 8172] mkdir("./bus", 000 [pid 8173] <... close resumed>) = 0 [pid 8173] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8171] <... futex resumed>) = 0 [pid 8173] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8171] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8171] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8173] mkdir("./file1", 000) = 0 [pid 8172] <... mkdir resumed>) = 0 [pid 8173] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8172] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8173] <... futex resumed>) = 1 [pid 8172] <... futex resumed>) = 1 [pid 8171] <... futex resumed>) = 0 [pid 8170] <... futex resumed>) = 0 [pid 8173] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8172] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 202.096152][ T8172] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 202.108414][ T8169] overlayfs: failed to resolve './file0': -2 [ 202.114829][ T8175] REISERFS (device loop1): Using r5 hash to sort names [ 202.130954][ T8175] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8170] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8171] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8170] <... futex resumed>) = 0 [pid 8169] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8170] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8173] mkdir("./bus", 000 [pid 8171] <... futex resumed>) = 0 [pid 8169] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8173] <... mkdir resumed>) = 0 [pid 8171] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8169] <... futex resumed>) = 0 [pid 8168] exit_group(0 [pid 8180] <... futex resumed>) = ? [pid 8168] <... exit_group resumed>) = ? [pid 8180] +++ exited with 0 +++ [pid 8173] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8173] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8171] <... futex resumed>) = 0 [pid 8169] +++ exited with 0 +++ [pid 8168] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8168, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5001] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8175] <... mount resumed>) = 0 [pid 8171] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8173] <... futex resumed>) = 0 [pid 8171] <... futex resumed>) = 1 [pid 8173] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8171] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8175] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8175] chdir("./bus") = 0 [pid 8175] ioctl(4, LOOP_CLR_FD) = 0 [pid 8175] close(4) = 0 [pid 8175] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8174] <... futex resumed>) = 0 [pid 8174] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8174] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8175] <... futex resumed>) = 1 [pid 8175] mkdir("./file1", 000) = 0 [pid 8175] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8174] <... futex resumed>) = 0 [pid 8174] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8174] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8175] <... futex resumed>) = 1 [pid 8175] mkdir("./bus", 000) = 0 [pid 8175] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8174] <... futex resumed>) = 0 [pid 8174] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8174] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8175] <... futex resumed>) = 1 [ 202.132126][ T8172] overlayfs: upper fs needs to support d_type. [ 202.168421][ T8172] overlayfs: upper fs does not support tmpfile. [ 202.170860][ T8175] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 202.179215][ T8172] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 202.192155][ T8173] overlayfs: upper fs needs to support d_type. [pid 8175] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8170] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8170] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8171] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8170] <... futex resumed>) = 0 [pid 8170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8171] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8170] <... mmap resumed>) = 0x7f6a509b4000 [pid 8171] <... futex resumed>) = 0 [pid 8170] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8170] <... mprotect resumed>) = 0 [pid 8171] <... mmap resumed>) = 0x7f6a509b4000 [pid 8170] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8171] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8171] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8181], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8181 [pid 8171] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8171] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8181 attached [pid 8181] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8181] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8170] <... clone resumed>, parent_tid=[8182], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8182 [pid 8170] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8170] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 202.214044][ T8175] overlayfs: upper fs needs to support d_type. [ 202.218177][ T8173] overlayfs: upper fs does not support tmpfile. [ 202.222680][ T8172] overlayfs: failed to resolve './file0': -2 [ 202.233234][ T8175] overlayfs: upper fs does not support tmpfile. [ 202.253928][ T8173] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8181] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8182 attached [pid 8174] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8174] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8174] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8174] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8183], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8183 [pid 8174] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8174] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8182] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8182] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8182] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8183 attached [pid 8183] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8183] mkdir(".", 0777) = -1 EEXIST (File exists) [ 202.254550][ T8175] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 202.280788][ T8181] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 202.282001][ T8182] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8183] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8181] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8181] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8171] <... futex resumed>) = 0 [pid 8181] <... futex resumed>) = 1 [pid 8181] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8183] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8182] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./166/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./166/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 8173] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8172] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] getdents64(4, [pid 8173] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8183] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8182] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8172] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8173] <... futex resumed>) = 0 [pid 8171] exit_group(0 [pid 8172] <... futex resumed>) = 0 [pid 8183] <... futex resumed>) = 1 [pid 8182] <... futex resumed>) = 1 [pid 8174] <... futex resumed>) = 0 [pid 8170] <... futex resumed>) = 0 [pid 5001] close(4 [pid 8171] <... exit_group resumed>) = ? [pid 5001] <... close resumed>) = 0 [pid 8173] +++ exited with 0 +++ [pid 5001] rmdir("./166/bus") = 0 [pid 5001] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./166/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./166") = 0 [pid 5001] mkdir("./167", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8184 ./strace-static-x86_64: Process 8184 attached [pid 8184] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8184] chdir("./167") = 0 [pid 8184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8184] setpgid(0, 0) = 0 [pid 8184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8184] write(3, "1000", 4) = 4 [pid 8184] close(3) = 0 [pid 8184] symlink("/dev/binderfs", "./binderfs" [pid 8183] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8182] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8181] <... futex resumed>) = ? [pid 8172] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8170] exit_group(0 [pid 8184] <... symlink resumed>) = 0 [pid 8172] <... futex resumed>) = ? [pid 8170] <... exit_group resumed>) = ? [pid 8182] <... futex resumed>) = ? [pid 8181] +++ exited with 0 +++ [pid 8172] +++ exited with 0 +++ [pid 8171] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8171, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8182] +++ exited with 0 +++ [pid 8170] +++ exited with 0 +++ [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8170, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 4997] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4997] <... openat resumed>) = 3 [pid 8184] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8175] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5000] <... restart_syscall resumed>) = 0 [pid 4997] fstat(3, [pid 8184] <... futex resumed>) = 0 [pid 8175] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8175] <... futex resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8174] exit_group(0 [pid 5000] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8183] <... futex resumed>) = ? [pid 8174] <... exit_group resumed>) = ? [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] getdents64(3, [pid 8183] +++ exited with 0 +++ [pid 5000] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] fstat(3, [pid 8184] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8184] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8184] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8175] +++ exited with 0 +++ [pid 8174] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8174, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- ./strace-static-x86_64: Process 8185 attached [pid 8184] <... clone resumed>, parent_tid=[8185], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8185 [pid 4998] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8184] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8184] <... futex resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 8184] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8185] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8185] memfd_create("syzkaller", 0) = 3 [pid 8185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 202.303936][ T8183] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 202.328270][ T8173] overlayfs: failed to resolve './file0': -2 [ 202.329827][ T8175] overlayfs: failed to resolve './file0': -2 [pid 8185] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./167/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./167/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./167/bus") = 0 [pid 4998] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./167/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./167") = 0 [pid 4998] mkdir("./168", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] <... umount2 resumed>) = 0 [pid 4998] close(3) = 0 [pid 5000] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8186 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8186 attached [pid 5000] lstat("./167/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8186] set_robust_list(0x5555564f86e0, 24) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./167/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, [pid 8186] chdir("./168") = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] getdents64(4, [pid 8186] <... prctl resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, [pid 8186] setpgid(0, 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4 [pid 8186] <... setpgid resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./167/bus" [pid 8186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... rmdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 5000] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8186] <... openat resumed>) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8186] write(3, "1000", 4 [pid 5000] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8186] <... write resumed>) = 4 [pid 8186] close(3 [pid 5000] unlink("./167/binderfs") = 0 [pid 8186] <... close resumed>) = 0 [pid 8186] symlink("/dev/binderfs", "./binderfs" [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8186] <... symlink resumed>) = 0 [pid 5000] close(3) = 0 [pid 8186] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] rmdir("./167" [pid 8186] <... futex resumed>) = 0 [pid 8186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] mkdir("./168", 0777 [pid 8186] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] <... mkdir resumed>) = 0 [pid 8186] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8186] <... mprotect resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 8186] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4997] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8186] <... clone resumed>, parent_tid=[8187], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8187 [pid 8186] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... close resumed>) = 0 [pid 8186] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8186] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8188 ./strace-static-x86_64: Process 8188 attached [pid 8188] set_robust_list(0x5555564f86e0, 24 [pid 4997] lstat("./166/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8188] <... set_robust_list resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8188] chdir("./168" [pid 4997] openat(AT_FDCWD, "./166/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8188] <... chdir resumed>) = 0 [pid 8188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8188] <... prctl resumed>) = 0 [pid 4997] getdents64(4, [pid 8188] setpgid(0, 0) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4 [pid 8188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./166/bus" [pid 8188] <... openat resumed>) = 3 [pid 8185] <... write resumed>) = 4194304 [pid 4997] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8187 attached [pid 4997] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./166/binderfs", [pid 8188] write(3, "1000", 4) = 4 [pid 8185] munmap(0x7f6a505d5000, 4194304 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8187] set_robust_list(0x7f6a589f59e0, 24 [pid 4997] unlink("./166/binderfs" [pid 8188] close(3) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 8188] symlink("/dev/binderfs", "./binderfs" [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 8188] <... symlink resumed>) = 0 [pid 4997] rmdir("./166" [pid 8188] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./167", 0777 [pid 8188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 8188] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8188] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8187] <... set_robust_list resumed>) = 0 [pid 8185] <... munmap resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8189 [pid 8188] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 8189 attached [pid 8188] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8187] memfd_create("syzkaller", 0 [pid 8185] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8187] <... memfd_create resumed>) = 3 [pid 8185] <... openat resumed>) = 4 [pid 8188] <... clone resumed>, parent_tid=[8190], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8190 [pid 8187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8185] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 8190 attached [pid 8189] set_robust_list(0x5555564f86e0, 24 [pid 8188] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8187] <... mmap resumed>) = 0x7f6a505d5000 [pid 8190] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8190] memfd_create("syzkaller", 0 [pid 8188] <... futex resumed>) = 0 [pid 8190] <... memfd_create resumed>) = 3 [pid 8190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8188] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8189] <... set_robust_list resumed>) = 0 [pid 8185] <... ioctl resumed>) = 0 [pid 8189] chdir("./167" [pid 8185] close(3 [pid 8189] <... chdir resumed>) = 0 [pid 8185] <... close resumed>) = 0 [pid 8189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8185] mkdir("./bus", 0777 [pid 8189] <... prctl resumed>) = 0 [pid 8185] <... mkdir resumed>) = 0 [pid 8189] setpgid(0, 0) = 0 [pid 8185] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8189] write(3, "1000", 4) = 4 [pid 8189] close(3) = 0 [pid 8187] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8189] symlink("/dev/binderfs", "./binderfs" [pid 8190] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8189] <... symlink resumed>) = 0 [pid 8189] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8189] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8189] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8192], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8192 [pid 8189] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 202.507132][ T8185] loop4: detected capacity change from 0 to 8192 [ 202.534982][ T8185] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8189] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8192 attached [pid 8192] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8192] memfd_create("syzkaller", 0) = 3 [pid 8192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8187] <... write resumed>) = 4194304 [pid 8187] munmap(0x7f6a505d5000, 4194304 [pid 8190] <... write resumed>) = 4194304 [pid 8187] <... munmap resumed>) = 0 [pid 8187] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8187] ioctl(4, LOOP_SET_FD, 3 [pid 8190] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8190] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 202.561510][ T8185] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 202.587746][ T8185] REISERFS (device loop4): using ordered data mode [ 202.594646][ T8185] reiserfs: using flush barriers [ 202.602405][ T8187] loop1: detected capacity change from 0 to 8192 [pid 8192] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8190] ioctl(4, LOOP_SET_FD, 3 [pid 8187] <... ioctl resumed>) = 0 [pid 8187] close(3) = 0 [pid 8187] mkdir("./bus", 0777) = 0 [pid 8187] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8190] <... ioctl resumed>) = 0 [pid 8190] close(3) = 0 [pid 8190] mkdir("./bus", 0777) = 0 [ 202.608149][ T8185] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 202.617424][ T8190] loop3: detected capacity change from 0 to 8192 [ 202.626112][ T8185] REISERFS (device loop4): checking transaction log (loop4) [ 202.639144][ T8187] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 202.647793][ T8185] REISERFS (device loop4): Using r5 hash to sort names [pid 8190] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8192] <... write resumed>) = 4194304 [ 202.660257][ T8185] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 202.665384][ T8190] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 202.672974][ T8185] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 202.690327][ T8187] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8192] munmap(0x7f6a505d5000, 4194304 [pid 8185] <... mount resumed>) = 0 [pid 8185] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8185] chdir("./bus") = 0 [pid 8185] ioctl(4, LOOP_CLR_FD) = 0 [pid 8185] close(4) = 0 [pid 8185] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8184] <... futex resumed>) = 0 [pid 8185] mkdir("./file1", 000 [pid 8184] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8185] <... mkdir resumed>) = 0 [pid 8184] <... futex resumed>) = 0 [pid 8185] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8184] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8185] <... futex resumed>) = 0 [pid 8184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8185] mkdir("./bus", 000 [pid 8184] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8184] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8185] <... mkdir resumed>) = 0 [pid 8185] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8184] <... futex resumed>) = 0 [pid 8185] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8184] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8184] <... futex resumed>) = 0 [pid 8185] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8184] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8192] <... munmap resumed>) = 0 [ 202.695593][ T8190] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 202.704083][ T8187] REISERFS (device loop1): using ordered data mode [ 202.719772][ T8187] reiserfs: using flush barriers [ 202.725702][ T8187] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 202.736050][ T8185] overlayfs: upper fs needs to support d_type. [ 202.742078][ T8187] REISERFS (device loop1): checking transaction log (loop1) [ 202.755525][ T8190] REISERFS (device loop3): using ordered data mode [pid 8192] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8192] ioctl(4, LOOP_SET_FD, 3 [pid 8184] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8184] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8184] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8184] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8195], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8195 [pid 8184] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8184] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8195 attached [ 202.757977][ T8187] REISERFS (device loop1): Using r5 hash to sort names [ 202.762091][ T8190] reiserfs: using flush barriers [ 202.775213][ T8190] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 202.791633][ T8190] REISERFS (device loop3): checking transaction log (loop3) [ 202.792762][ T8192] loop0: detected capacity change from 0 to 8192 [ 202.799586][ T8190] REISERFS (device loop3): Using r5 hash to sort names [pid 8195] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8192] <... ioctl resumed>) = 0 [pid 8190] <... mount resumed>) = 0 [ 202.812508][ T8190] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 202.816983][ T8185] overlayfs: upper fs does not support tmpfile. [ 202.825301][ T8190] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 202.833158][ T8187] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 202.841329][ T8185] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8195] mkdir(".", 0777 [pid 8192] close(3 [pid 8190] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8187] <... mount resumed>) = 0 [pid 8187] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8187] chdir("./bus") = 0 [pid 8187] ioctl(4, LOOP_CLR_FD) = 0 [pid 8187] close(4 [pid 8195] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8192] <... close resumed>) = 0 [pid 8190] <... openat resumed>) = 3 [pid 8192] mkdir("./bus", 0777 [pid 8190] chdir("./bus" [pid 8195] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8192] <... mkdir resumed>) = 0 [pid 8190] <... chdir resumed>) = 0 [pid 8187] <... close resumed>) = 0 [pid 8192] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8190] ioctl(4, LOOP_CLR_FD) = 0 [pid 8190] close(4) = 0 [pid 8187] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8190] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8187] <... futex resumed>) = 1 [pid 8187] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8186] <... futex resumed>) = 0 [pid 8186] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8190] <... futex resumed>) = 1 [pid 8188] <... futex resumed>) = 0 [pid 8186] <... futex resumed>) = 1 [pid 8187] <... futex resumed>) = 0 [pid 8187] mkdir("./file1", 000) = 0 [pid 8187] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8187] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8190] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8185] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8188] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8186] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8188] <... futex resumed>) = 0 [pid 8190] mkdir("./file1", 000 [pid 8186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8188] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 202.855132][ T8187] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 202.861370][ T8185] overlayfs: failed to resolve './file0': -2 [ 202.887491][ T8192] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 202.900889][ T8192] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 8185] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8190] <... mkdir resumed>) = 0 [pid 8186] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8185] <... futex resumed>) = 0 [pid 8195] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8195] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8184] <... futex resumed>) = 0 [pid 8184] exit_group(0) = ? [pid 8195] <... futex resumed>) = ? [pid 8195] +++ exited with 0 +++ [pid 8190] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8187] <... futex resumed>) = 0 [pid 8186] <... futex resumed>) = 1 [pid 8190] <... futex resumed>) = 1 [pid 8188] <... futex resumed>) = 0 [pid 8186] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8187] mkdir("./bus", 000) = 0 [pid 8185] +++ exited with 0 +++ [pid 8188] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8184] +++ exited with 0 +++ [pid 8190] mkdir("./bus", 000 [pid 8188] <... futex resumed>) = 0 [pid 8190] <... mkdir resumed>) = 0 [pid 8188] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8187] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8184, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 8190] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8190] <... futex resumed>) = 0 [pid 8190] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8188] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8187] <... futex resumed>) = 1 [pid 8186] <... futex resumed>) = 0 [pid 8188] <... futex resumed>) = 0 [pid 8187] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8186] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8188] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8187] <... futex resumed>) = 0 [pid 8186] <... futex resumed>) = 1 [pid 8187] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5001] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 202.910695][ T8192] REISERFS (device loop0): using ordered data mode [ 202.913585][ T8195] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 202.917678][ T8192] reiserfs: using flush barriers [ 202.942396][ T8190] overlayfs: upper fs needs to support d_type. [ 202.948708][ T8190] overlayfs: upper fs does not support tmpfile. [ 202.949253][ T8187] overlayfs: upper fs needs to support d_type. [pid 8186] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8188] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8188] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8188] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8197], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8197 [pid 8188] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8186] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8188] <... futex resumed>) = 0 [pid 8186] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8188] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8186] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8197 attached [pid 8197] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8197] mkdir(".", 0777 [pid 8186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8190] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8190] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8190] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8186] <... mmap resumed>) = 0x7f6a509b4000 [pid 8197] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8197] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8186] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8186] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8198], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8198 [pid 8186] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8186] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8198 attached [pid 8198] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8198] mkdir(".", 0777) = -1 EEXIST (File exists) [ 202.955408][ T8190] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 202.969567][ T8190] overlayfs: failed to resolve './file0': -2 [ 202.976131][ T8192] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 202.987621][ T8187] overlayfs: upper fs does not support tmpfile. [pid 8198] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8197] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./167/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./167/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./167/bus") = 0 [pid 5001] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./167/binderfs") = 0 [ 203.010483][ T8192] REISERFS (device loop0): checking transaction log (loop0) [ 203.018684][ T8197] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 203.034760][ T8187] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 203.035074][ T8198] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8198] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] getdents64(3, [pid 8198] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8198] <... futex resumed>) = 1 [pid 8186] <... futex resumed>) = 0 [pid 5001] close(3 [pid 8198] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... close resumed>) = 0 [pid 5001] rmdir("./167") = 0 [pid 5001] mkdir("./168", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8197] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8188] <... futex resumed>) = 0 [pid 8188] exit_group(0 [pid 8190] <... futex resumed>) = ? [pid 8188] <... exit_group resumed>) = ? [pid 8190] +++ exited with 0 +++ [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8199 [pid 8197] <... futex resumed>) = ? [pid 8197] +++ exited with 0 +++ [pid 8188] +++ exited with 0 +++ ./strace-static-x86_64: Process 8199 attached [pid 8199] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8199] chdir("./168") = 0 [pid 8199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8199] setpgid(0, 0) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8188, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8199] write(3, "1000", 4) = 4 [pid 8199] close(3) = 0 [pid 8199] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8199] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8199] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5000] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8199] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8200], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8200 [pid 8199] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8199] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8200 attached [pid 8200] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8200] memfd_create("syzkaller", 0) = 3 [pid 8200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 203.057821][ T8192] REISERFS (device loop0): Using r5 hash to sort names [ 203.058207][ T8187] overlayfs: failed to resolve './file0': -2 [ 203.064793][ T8192] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8192] <... mount resumed>) = 0 [pid 8192] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8192] chdir("./bus" [pid 8187] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8187] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8187] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8186] exit_group(0 [pid 8198] <... futex resumed>) = ? [pid 8187] <... futex resumed>) = ? [pid 8186] <... exit_group resumed>) = ? [pid 8198] +++ exited with 0 +++ [pid 8187] +++ exited with 0 +++ [pid 8186] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8186, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 4998] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8192] <... chdir resumed>) = 0 [pid 8192] ioctl(4, LOOP_CLR_FD) = 0 [pid 8192] close(4 [pid 8200] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8192] <... close resumed>) = 0 [pid 8192] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8189] <... futex resumed>) = 0 [pid 8189] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8189] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8192] mkdir("./file1", 000) = 0 [pid 8192] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8189] <... futex resumed>) = 0 [pid 8189] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8189] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8192] mkdir("./bus", 000) = 0 [pid 8192] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8189] <... futex resumed>) = 0 [pid 8192] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8189] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 203.105682][ T8192] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8189] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./168/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./168/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./168/bus") = 0 [pid 8189] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8189] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8189] <... futex resumed>) = 0 [pid 8189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8189] <... mmap resumed>) = 0x7f6a509b4000 [pid 8189] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4998] lstat("./168/binderfs", [pid 8189] <... mprotect resumed>) = 0 [pid 8189] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./168/binderfs" [pid 8189] <... clone resumed>, parent_tid=[8201], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8201 [pid 8189] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8189] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... unlink resumed>) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 5000] <... umount2 resumed>) = 0 [ 203.164577][ T8192] overlayfs: upper fs needs to support d_type. [ 203.176425][ T8192] overlayfs: upper fs does not support tmpfile. [ 203.193259][ T8192] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 4998] rmdir("./168" [pid 5000] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... rmdir resumed>) = 0 [pid 8200] <... write resumed>) = 4194304 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8200] munmap(0x7f6a505d5000, 4194304 [pid 4998] mkdir("./169", 0777 [pid 5000] lstat("./168/bus", ./strace-static-x86_64: Process 8201 attached [pid 4998] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 8201] set_robust_list(0x7f6a509d49e0, 24 [pid 8200] <... munmap resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8201] <... set_robust_list resumed>) = 0 [pid 8200] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] close(3 [pid 8201] mkdir(".", 0777 [pid 8200] <... openat resumed>) = 4 [pid 8192] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5000] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... close resumed>) = 0 [pid 8201] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8200] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8201] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5000] openat(AT_FDCWD, "./168/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8202 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./168/bus") = 0 [pid 5000] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./168/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./168") = 0 [pid 5000] mkdir("./169", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8203 ./strace-static-x86_64: Process 8202 attached [pid 8202] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8202] chdir("./169") = 0 [pid 8202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8202] setpgid(0, 0) = 0 [pid 8202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8202] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 8203 attached [pid 8202] close(3 [pid 8203] set_robust_list(0x5555564f86e0, 24 [pid 8202] <... close resumed>) = 0 [pid 8203] <... set_robust_list resumed>) = 0 [pid 8202] symlink("/dev/binderfs", "./binderfs" [pid 8203] chdir("./169" [pid 8202] <... symlink resumed>) = 0 [pid 8203] <... chdir resumed>) = 0 [pid 8202] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8202] <... futex resumed>) = 0 [pid 8203] <... prctl resumed>) = 0 [pid 8202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8203] setpgid(0, 0 [pid 8202] <... mmap resumed>) = 0x7f6a589d5000 [pid 8203] <... setpgid resumed>) = 0 [pid 8202] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8202] <... mprotect resumed>) = 0 [pid 8203] <... openat resumed>) = 3 [pid 8203] write(3, "1000", 4 [pid 8202] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8201] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8200] <... ioctl resumed>) = 0 [pid 8192] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8201] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8200] close(3 [pid 8192] <... futex resumed>) = 0 [pid 8203] <... write resumed>) = 4 [pid 8201] <... futex resumed>) = 1 [pid 8200] <... close resumed>) = 0 [pid 8192] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8189] <... futex resumed>) = 0 [pid 8201] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8200] mkdir("./bus", 0777 [pid 8189] exit_group(0 [pid 8202] <... clone resumed>, parent_tid=[8204], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8204 ./strace-static-x86_64: Process 8204 attached [pid 8203] close(3 [pid 8202] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8201] <... futex resumed>) = ? [pid 8200] <... mkdir resumed>) = 0 [pid 8192] <... futex resumed>) = ? [pid 8189] <... exit_group resumed>) = ? [pid 8204] set_robust_list(0x7f6a589f59e0, 24 [pid 8203] <... close resumed>) = 0 [pid 8202] <... futex resumed>) = 0 [pid 8201] +++ exited with 0 +++ [pid 8200] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8192] +++ exited with 0 +++ [pid 8204] <... set_robust_list resumed>) = 0 [pid 8203] symlink("/dev/binderfs", "./binderfs" [pid 8202] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8204] memfd_create("syzkaller", 0 [pid 8203] <... symlink resumed>) = 0 [pid 8189] +++ exited with 0 +++ [pid 8204] <... memfd_create resumed>) = 3 [ 203.221469][ T8192] overlayfs: failed to resolve './file0': -2 [ 203.238815][ T8200] loop4: detected capacity change from 0 to 8192 [ 203.249320][ T8201] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8203] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8203] <... futex resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8189, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 8204] <... mmap resumed>) = 0x7f6a505d5000 [pid 8203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 8203] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] <... restart_syscall resumed>) = 0 [pid 8203] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8203] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8203] <... clone resumed>, parent_tid=[8206], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8206 [pid 4997] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8203] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... openat resumed>) = 3 [pid 8203] <... futex resumed>) = 0 [pid 4997] fstat(3, [pid 8203] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, ./strace-static-x86_64: Process 8206 attached 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8206] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8206] memfd_create("syzkaller", 0) = 3 [pid 8206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 203.279128][ T8200] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 203.292924][ T8200] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 203.303383][ T8200] REISERFS (device loop4): using ordered data mode [ 203.310512][ T8200] reiserfs: using flush barriers [pid 8204] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 203.316875][ T8200] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8206] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8204] <... write resumed>) = 4194304 [pid 8204] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8204] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8204] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8204] close(3) = 0 [pid 8204] mkdir("./bus", 0777 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8204] <... mkdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8206] <... write resumed>) = 4194304 [pid 8204] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8206] munmap(0x7f6a505d5000, 4194304 [pid 4997] lstat("./167/bus", [pid 8206] <... munmap resumed>) = 0 [pid 8206] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 203.375432][ T8200] REISERFS (device loop4): checking transaction log (loop4) [ 203.386305][ T8200] REISERFS (device loop4): Using r5 hash to sort names [ 203.393562][ T8204] loop1: detected capacity change from 0 to 8192 [ 203.406570][ T8200] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 203.411388][ T8206] loop3: detected capacity change from 0 to 8192 [pid 8206] ioctl(4, LOOP_SET_FD, 3 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./167/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./167/bus") = 0 [pid 4997] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./167/binderfs" [pid 8206] <... ioctl resumed>) = 0 [pid 8200] <... mount resumed>) = 0 [pid 8206] close(3 [pid 8200] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8206] <... close resumed>) = 0 [pid 8200] <... openat resumed>) = 3 [pid 8206] mkdir("./bus", 0777 [pid 8200] chdir("./bus" [pid 8206] <... mkdir resumed>) = 0 [pid 8200] <... chdir resumed>) = 0 [pid 8206] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8200] ioctl(4, LOOP_CLR_FD) = 0 [pid 8200] close(4) = 0 [pid 8200] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8200] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./167") = 0 [pid 4997] mkdir("./168", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8209 ./strace-static-x86_64: Process 8209 attached [pid 8209] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8209] chdir("./168") = 0 [pid 8209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8209] setpgid(0, 0) = 0 [pid 8209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8209] write(3, "1000", 4) = 4 [pid 8209] close(3) = 0 [pid 8209] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8209] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8209] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8209] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8210], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8210 [pid 8209] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8209] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8210 attached [pid 8210] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8210] memfd_create("syzkaller", 0) = 3 [pid 8210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8199] <... futex resumed>) = 0 [pid 8199] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8200] <... futex resumed>) = 0 [pid 8199] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8200] mkdir("./file1", 000) = 0 [pid 8200] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8199] <... futex resumed>) = 0 [pid 8200] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8199] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8199] <... futex resumed>) = 0 [pid 8200] mkdir("./bus", 000 [pid 8199] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8200] <... mkdir resumed>) = 0 [pid 8200] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8200] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8199] <... futex resumed>) = 0 [pid 8199] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8200] <... futex resumed>) = 0 [pid 8199] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8200] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 203.420138][ T8200] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 203.436311][ T8204] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 203.460634][ T8200] overlayfs: upper fs needs to support d_type. [ 203.466897][ T8200] overlayfs: upper fs does not support tmpfile. [pid 8210] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8199] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 203.476797][ T8206] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 203.491492][ T8204] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 203.502134][ T8200] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 203.507042][ T8206] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 203.511837][ T8200] overlayfs: failed to resolve './file0': -2 [pid 8199] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8199] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8199] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8211], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8211 [pid 8199] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8199] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8211 attached [pid 8211] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8211] mkdir(".", 0777) = -1 EEXIST (File exists) [ 203.524490][ T8204] REISERFS (device loop1): using ordered data mode [ 203.531551][ T8204] reiserfs: using flush barriers [ 203.537418][ T8204] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 203.554059][ T8204] REISERFS (device loop1): checking transaction log (loop1) [ 203.562870][ T8204] REISERFS (device loop1): Using r5 hash to sort names [pid 8211] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8210] <... write resumed>) = 4194304 [pid 8210] munmap(0x7f6a505d5000, 4194304 [pid 8204] <... mount resumed>) = 0 [pid 8210] <... munmap resumed>) = 0 [pid 8210] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8210] ioctl(4, LOOP_SET_FD, 3 [pid 8204] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8211] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8211] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8199] <... futex resumed>) = 0 [pid 8211] <... futex resumed>) = 1 [pid 8211] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8210] <... ioctl resumed>) = 0 [pid 8210] close(3 [pid 8204] <... openat resumed>) = 3 [pid 8200] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8204] chdir("./bus") = 0 [pid 8200] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8210] <... close resumed>) = 0 [pid 8204] ioctl(4, LOOP_CLR_FD [pid 8200] <... futex resumed>) = 0 [pid 8200] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8199] exit_group(0 [pid 8200] <... futex resumed>) = ? [pid 8199] <... exit_group resumed>) = ? [ 203.564675][ T8211] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 203.569979][ T8204] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 203.597400][ T8204] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 203.606810][ T8206] REISERFS (device loop3): using ordered data mode [ 203.610742][ T8210] loop0: detected capacity change from 0 to 8192 [ 203.613642][ T8206] reiserfs: using flush barriers [pid 8200] +++ exited with 0 +++ [pid 8211] <... futex resumed>) = ? [pid 8211] +++ exited with 0 +++ [pid 8199] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8199, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8210] mkdir("./bus", 0777) = 0 [pid 8210] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8204] <... ioctl resumed>) = 0 [pid 8204] close(4) = 0 [pid 8204] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8204] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8202] <... futex resumed>) = 0 [pid 8202] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8204] <... futex resumed>) = 0 [pid 8202] <... futex resumed>) = 1 [pid 8204] mkdir("./file1", 000 [pid 8202] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8204] <... mkdir resumed>) = 0 [pid 8204] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8202] <... futex resumed>) = 0 [pid 8204] mkdir("./bus", 000 [pid 8202] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8204] <... mkdir resumed>) = 0 [pid 8202] <... futex resumed>) = 0 [pid 8204] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8202] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8204] <... futex resumed>) = 0 [pid 8202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8204] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8202] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 203.626261][ T8206] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 203.643175][ T8206] REISERFS (device loop3): checking transaction log (loop3) [ 203.651529][ T8210] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 203.665187][ T8210] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 8202] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8202] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8202] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8202] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8213], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8213 [pid 8202] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 203.667765][ T8204] overlayfs: upper fs needs to support d_type. [ 203.674943][ T8210] REISERFS (device loop0): using ordered data mode [ 203.687537][ T8210] reiserfs: using flush barriers [ 203.693762][ T8210] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 203.694563][ T8206] REISERFS (device loop3): Using r5 hash to sort names [ 203.710301][ T8210] REISERFS (device loop0): checking transaction log (loop0) [pid 8202] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8213 attached [pid 8213] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8213] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8213] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8210] <... mount resumed>) = 0 [ 203.725261][ T8204] overlayfs: upper fs does not support tmpfile. [ 203.732226][ T8210] REISERFS (device loop0): Using r5 hash to sort names [ 203.739378][ T8210] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 203.752179][ T8210] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 203.762334][ T8206] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8210] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8213] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8213] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8202] <... futex resumed>) = 0 [pid 8213] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8210] <... openat resumed>) = 3 [pid 8210] chdir("./bus" [pid 8206] <... mount resumed>) = 0 [pid 8210] <... chdir resumed>) = 0 [pid 8206] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8210] ioctl(4, LOOP_CLR_FD) = 0 [pid 8206] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./168/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8210] close(4 [pid 8206] chdir("./bus" [pid 5001] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./168/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./168/bus") = 0 [ 203.767550][ T8204] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 203.775444][ T8206] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 203.791071][ T8213] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 203.809448][ T8204] overlayfs: failed to resolve './file0': -2 [pid 5001] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8206] <... chdir resumed>) = 0 [pid 8210] <... close resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8210] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8206] ioctl(4, LOOP_CLR_FD [pid 8210] <... futex resumed>) = 1 [pid 8209] <... futex resumed>) = 0 [pid 8206] <... ioctl resumed>) = 0 [pid 8210] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8209] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8206] close(4 [pid 8210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8209] <... futex resumed>) = 0 [pid 8206] <... close resumed>) = 0 [pid 8210] mkdir("./file1", 000 [pid 8209] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8206] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8210] <... mkdir resumed>) = 0 [pid 8206] <... futex resumed>) = 1 [pid 5001] lstat("./168/binderfs", [pid 8210] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8206] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8210] <... futex resumed>) = 1 [pid 8209] <... futex resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8210] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8209] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8209] <... futex resumed>) = 0 [pid 5001] unlink("./168/binderfs" [pid 8210] mkdir("./bus", 000 [pid 8209] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8210] <... mkdir resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 8210] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8209] <... futex resumed>) = 0 [pid 5001] getdents64(3, [pid 8210] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8209] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8209] <... futex resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8210] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8209] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8203] <... futex resumed>) = 0 [pid 5001] close(3) = 0 [pid 8203] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] rmdir("./168" [pid 8203] <... futex resumed>) = 1 [pid 8206] <... futex resumed>) = 0 [pid 8203] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8206] mkdir("./file1", 000) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 8206] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] mkdir("./169", 0777 [pid 8206] <... futex resumed>) = 1 [pid 8203] <... futex resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 8206] mkdir("./bus", 000 [pid 8203] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8206] <... mkdir resumed>) = 0 [pid 8204] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8203] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8206] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8203] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8206] <... futex resumed>) = 0 [pid 8203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8206] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8203] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8203] <... futex resumed>) = 0 [pid 8206] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8203] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8204] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 8204] <... futex resumed>) = 0 [pid 8202] exit_group(0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 8213] <... futex resumed>) = ? [pid 8202] <... exit_group resumed>) = ? [pid 8213] +++ exited with 0 +++ [pid 8204] +++ exited with 0 +++ [pid 8202] +++ exited with 0 +++ [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 203.831425][ T8210] overlayfs: upper fs needs to support d_type. [ 203.841646][ T8210] overlayfs: upper fs does not support tmpfile. [ 203.849340][ T8210] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 203.855812][ T8206] overlayfs: upper fs needs to support d_type. [ 203.858105][ T8210] overlayfs: failed to resolve './file0': -2 [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8209] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8209] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8214 [pid 8209] <... futex resumed>) = 0 [pid 8209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8209] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8209] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8215], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8215 [pid 8209] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8209] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8215 attached ./strace-static-x86_64: Process 8214 attached [pid 8215] set_robust_list(0x7f6a509d49e0, 24 [pid 8214] set_robust_list(0x5555564f86e0, 24 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8202, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 8215] <... set_robust_list resumed>) = 0 [pid 8214] <... set_robust_list resumed>) = 0 [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 8215] mkdir(".", 0777 [pid 4998] <... restart_syscall resumed>) = 0 [pid 8215] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8214] chdir("./169" [pid 8215] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8214] <... chdir resumed>) = 0 [pid 8214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8214] <... prctl resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8203] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] fstat(3, [pid 8214] setpgid(0, 0 [pid 8203] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8214] <... setpgid resumed>) = 0 [pid 8203] <... futex resumed>) = 0 [pid 4998] getdents64(3, [pid 8214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8214] <... openat resumed>) = 3 [pid 4998] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8214] write(3, "1000", 4 [pid 8210] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8203] <... mmap resumed>) = 0x7f6a509b4000 [pid 8210] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8210] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8206] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8206] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8206] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8214] <... write resumed>) = 4 [pid 8214] close(3) = 0 [pid 8214] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8214] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8214] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8214] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8216], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8216 [pid 8214] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8214] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8203] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8203] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8217], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8217 [pid 8203] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8203] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8216 attached [pid 8216] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8216] memfd_create("syzkaller", 0) = 3 [pid 8216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 8217 attached [pid 8215] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8217] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8215] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8217] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8215] <... futex resumed>) = 1 [pid 8209] <... futex resumed>) = 0 [ 203.878305][ T8206] overlayfs: upper fs does not support tmpfile. [ 203.885039][ T8206] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 203.893939][ T8206] overlayfs: failed to resolve './file0': -2 [ 203.907899][ T8215] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8217] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8215] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8209] exit_group(0 [pid 8216] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8215] <... futex resumed>) = ? [pid 8210] <... futex resumed>) = ? [pid 8209] <... exit_group resumed>) = ? [pid 8215] +++ exited with 0 +++ [pid 8210] +++ exited with 0 +++ [pid 8209] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8209, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8217] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8217] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8217] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8203] <... futex resumed>) = 0 [pid 8203] exit_group(0) = ? [pid 8217] <... futex resumed>) = ? [pid 8206] <... futex resumed>) = ? [pid 8217] +++ exited with 0 +++ [pid 8206] +++ exited with 0 +++ [pid 8203] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8203, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5000] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, [pid 4998] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] lstat("./169/bus", [pid 5000] getdents64(3, [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./169/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [ 203.928429][ T8217] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./169/bus") = 0 [pid 4998] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./169/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./169") = 0 [pid 4998] mkdir("./170", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8218 ./strace-static-x86_64: Process 8218 attached [pid 8216] <... write resumed>) = 4194304 [pid 8218] set_robust_list(0x5555564f86e0, 24 [pid 8216] munmap(0x7f6a505d5000, 4194304 [pid 8218] <... set_robust_list resumed>) = 0 [pid 8218] chdir("./170") = 0 [pid 8218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8218] setpgid(0, 0) = 0 [pid 8218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8218] write(3, "1000", 4) = 4 [pid 8218] close(3) = 0 [pid 8218] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8218] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8218] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8218] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8219], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8219 [pid 8218] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8218] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8216] <... munmap resumed>) = 0 [pid 8216] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8216] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 8219 attached [pid 8219] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8219] memfd_create("syzkaller", 0) = 3 [pid 8219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] <... umount2 resumed>) = 0 [pid 8219] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./169/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./169/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./169/bus") = 0 [pid 5000] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./169/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./169" [pid 4997] <... umount2 resumed>) = 0 [pid 8216] <... ioctl resumed>) = 0 [pid 8219] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... rmdir resumed>) = 0 [pid 4997] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] mkdir("./170", 0777) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 8216] close(3 [pid 5000] <... close resumed>) = 0 [pid 4997] lstat("./168/bus", [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8216] <... close resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8220 [pid 8216] mkdir("./bus", 0777 [pid 4997] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8220 attached [pid 8216] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./168/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8220] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8220] chdir("./170" [pid 4997] <... openat resumed>) = 4 [pid 8216] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4997] fstat(4, [pid 8220] <... chdir resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8220] setpgid(0, 0) = 0 [pid 4997] getdents64(4, [pid 8220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8220] <... openat resumed>) = 3 [pid 4997] getdents64(4, [pid 8220] write(3, "1000", 4) = 4 [pid 8220] close(3) = 0 [pid 8220] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./168/bus" [pid 8220] <... symlink resumed>) = 0 [pid 8220] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] <... rmdir resumed>) = 0 [pid 8220] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8220] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./168/binderfs", [pid 8220] <... mprotect resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./168/binderfs" [pid 8220] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] <... unlink resumed>) = 0 [ 204.052145][ T8216] loop4: detected capacity change from 0 to 8192 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 8220] <... clone resumed>, parent_tid=[8222], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8222 [pid 4997] rmdir("./168" [pid 8220] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8220] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8222 attached [pid 8222] set_robust_list(0x7f6a589f59e0, 24 [pid 4997] <... rmdir resumed>) = 0 [pid 8222] <... set_robust_list resumed>) = 0 [pid 4997] mkdir("./169", 0777 [pid 8222] memfd_create("syzkaller", 0) = 3 [pid 8222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8223 ./strace-static-x86_64: Process 8223 attached [pid 8222] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8223] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8223] chdir("./169") = 0 [pid 8223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8223] setpgid(0, 0) = 0 [pid 8223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8223] write(3, "1000", 4) = 4 [pid 8223] close(3) = 0 [pid 8223] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8223] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8223] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8223] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8224], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8224 [pid 8223] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8223] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8224 attached [pid 8224] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8224] memfd_create("syzkaller", 0) = 3 [pid 8224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 204.097433][ T8216] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8222] <... write resumed>) = 4194304 [pid 8222] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8222] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8222] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8222] close(3) = 0 [pid 8222] mkdir("./bus", 0777) = 0 [pid 8222] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8219] <... write resumed>) = 4194304 [pid 8219] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8224] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 204.147520][ T8216] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 204.156996][ T8216] REISERFS (device loop4): using ordered data mode [ 204.165462][ T8222] loop3: detected capacity change from 0 to 8192 [ 204.174703][ T8216] reiserfs: using flush barriers [ 204.182494][ T8222] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8219] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8219] ioctl(4, LOOP_SET_FD, 3 [pid 8224] <... write resumed>) = 4194304 [pid 8224] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 204.197232][ T8216] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 204.214129][ T8222] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 204.224048][ T8219] loop1: detected capacity change from 0 to 8192 [ 204.230879][ T8224] loop0: detected capacity change from 0 to 8192 [ 204.231788][ T8216] REISERFS (device loop4): checking transaction log (loop4) [pid 8224] ioctl(4, LOOP_SET_FD, 3 [pid 8219] <... ioctl resumed>) = 0 [pid 8224] <... ioctl resumed>) = 0 [pid 8224] close(3) = 0 [pid 8224] mkdir("./bus", 0777) = 0 [pid 8224] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8219] close(3) = 0 [pid 8219] mkdir("./bus", 0777) = 0 [ 204.239898][ T8222] REISERFS (device loop3): using ordered data mode [ 204.252071][ T8222] reiserfs: using flush barriers [ 204.258559][ T8224] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 204.272268][ T8224] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 204.273322][ T8222] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 204.281633][ T8224] REISERFS (device loop0): using ordered data mode [ 204.298754][ T8216] REISERFS (device loop4): Using r5 hash to sort names [ 204.304219][ T8224] reiserfs: using flush barriers [ 204.316631][ T8219] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 204.317398][ T8222] REISERFS (device loop3): checking transaction log (loop3) [ 204.330254][ T8219] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 204.337116][ T8224] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 204.346766][ T8216] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 204.362726][ T8219] REISERFS (device loop1): using ordered data mode [ 204.375149][ T8216] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 204.382108][ T8222] REISERFS (device loop3): Using r5 hash to sort names [pid 8219] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8216] <... mount resumed>) = 0 [pid 8216] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8216] chdir("./bus") = 0 [pid 8216] ioctl(4, LOOP_CLR_FD) = 0 [pid 8216] close(4) = 0 [pid 8216] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8214] <... futex resumed>) = 0 [pid 8214] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8214] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8216] <... futex resumed>) = 1 [pid 8216] mkdir("./file1", 000) = 0 [pid 8216] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8214] <... futex resumed>) = 0 [pid 8214] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8214] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8216] <... futex resumed>) = 1 [pid 8216] mkdir("./bus", 000) = 0 [pid 8216] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8214] <... futex resumed>) = 0 [pid 8214] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8214] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8216] <... futex resumed>) = 1 [ 204.390881][ T8224] REISERFS (device loop0): checking transaction log (loop0) [ 204.405614][ T8219] reiserfs: using flush barriers [ 204.411369][ T8224] REISERFS (device loop0): Using r5 hash to sort names [ 204.419304][ T8224] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 204.428513][ T8219] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8216] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8224] <... mount resumed>) = 0 [pid 8224] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8214] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8214] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8214] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8214] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8228], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8228 [pid 8214] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8214] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8228 attached [pid 8228] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8228] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8228] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8224] <... openat resumed>) = 3 [pid 8224] chdir("./bus") = 0 [pid 8222] <... mount resumed>) = 0 [pid 8224] ioctl(4, LOOP_CLR_FD [pid 8222] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8224] <... ioctl resumed>) = 0 [pid 8224] close(4 [pid 8222] <... openat resumed>) = 3 [ 204.432317][ T8224] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 204.452608][ T8216] overlayfs: upper fs needs to support d_type. [ 204.457963][ T8222] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 204.472139][ T8216] overlayfs: upper fs does not support tmpfile. [ 204.476654][ T8222] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8228] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8224] <... close resumed>) = 0 [pid 8222] chdir("./bus" [pid 8224] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8222] <... chdir resumed>) = 0 [pid 8228] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8224] <... futex resumed>) = 1 [pid 8223] <... futex resumed>) = 0 [pid 8222] ioctl(4, LOOP_CLR_FD [pid 8228] <... futex resumed>) = 1 [pid 8224] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8222] <... ioctl resumed>) = 0 [pid 8228] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8222] close(4 [pid 8223] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8222] <... close resumed>) = 0 [pid 8214] <... futex resumed>) = 0 [pid 8223] <... futex resumed>) = 1 [ 204.493270][ T8219] REISERFS (device loop1): checking transaction log (loop1) [ 204.495478][ T8228] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 204.515753][ T8216] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 204.523924][ T8216] overlayfs: failed to resolve './file0': -2 [ 204.537240][ T8219] REISERFS (device loop1): Using r5 hash to sort names [pid 8223] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8224] <... futex resumed>) = 0 [pid 8222] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8224] mkdir("./file1", 000 [pid 8222] <... futex resumed>) = 1 [pid 8220] <... futex resumed>) = 0 [pid 8224] <... mkdir resumed>) = 0 [pid 8222] mkdir("./file1", 000 [pid 8220] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8224] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8222] <... mkdir resumed>) = 0 [pid 8220] <... futex resumed>) = 0 [pid 8224] <... futex resumed>) = 1 [pid 8223] <... futex resumed>) = 0 [pid 8222] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8220] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8224] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8223] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8222] <... futex resumed>) = 0 [pid 8220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8223] <... futex resumed>) = 0 [pid 8222] mkdir("./bus", 000 [pid 8220] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8224] mkdir("./bus", 000 [pid 8223] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8222] <... mkdir resumed>) = 0 [pid 8220] <... futex resumed>) = 0 [pid 8224] <... mkdir resumed>) = 0 [pid 8222] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8220] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8224] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8222] <... futex resumed>) = 0 [pid 8220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8224] <... futex resumed>) = 1 [pid 8223] <... futex resumed>) = 0 [pid 8222] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8220] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8224] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8223] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8220] <... futex resumed>) = 0 [pid 8224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8223] <... futex resumed>) = 0 [pid 8222] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8220] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8224] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8223] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8216] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 204.544358][ T8219] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 204.567868][ T8222] overlayfs: upper fs needs to support d_type. [ 204.574089][ T8222] overlayfs: upper fs does not support tmpfile. [ 204.581050][ T8224] overlayfs: upper fs needs to support d_type. [ 204.586527][ T8219] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8216] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8216] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8214] exit_group(0) = ? [pid 8219] <... mount resumed>) = 0 [pid 8219] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8219] chdir("./bus" [pid 8228] <... futex resumed>) = ? [pid 8228] +++ exited with 0 +++ [pid 8219] <... chdir resumed>) = 0 [pid 8219] ioctl(4, LOOP_CLR_FD) = 0 [pid 8219] close(4) = 0 [pid 8219] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8219] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8216] <... futex resumed>) = ? [pid 8218] <... futex resumed>) = 0 [pid 8218] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8216] +++ exited with 0 +++ [pid 8214] +++ exited with 0 +++ [pid 8218] <... futex resumed>) = 1 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8214, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 8218] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8223] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8220] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8219] <... futex resumed>) = 0 [pid 8223] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8220] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8219] mkdir("./file1", 000 [pid 8223] <... futex resumed>) = 0 [pid 8220] <... futex resumed>) = 0 [pid 8219] <... mkdir resumed>) = 0 [pid 8223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8219] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8223] <... mmap resumed>) = 0x7f6a509b4000 [pid 8220] <... mmap resumed>) = 0x7f6a509b4000 [pid 8219] <... futex resumed>) = 1 [pid 8218] <... futex resumed>) = 0 [pid 8218] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8218] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8219] mkdir("./bus", 000 [pid 8223] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8220] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8219] <... mkdir resumed>) = 0 [pid 8223] <... mprotect resumed>) = 0 [pid 8220] <... mprotect resumed>) = 0 [pid 8219] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8218] <... futex resumed>) = 0 [pid 8224] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8219] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8218] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8224] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8223] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8220] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8218] <... futex resumed>) = 0 [pid 8218] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8224] <... futex resumed>) = 0 [pid 8224] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8223] <... clone resumed>, parent_tid=[8230], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8230 [pid 8220] <... clone resumed>, parent_tid=[8229], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8229 [ 204.590433][ T8224] overlayfs: upper fs does not support tmpfile. [ 204.604216][ T8222] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 204.612980][ T8224] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 204.623571][ T8224] overlayfs: failed to resolve './file0': -2 [ 204.633012][ T8222] overlayfs: failed to resolve './file0': -2 [pid 8223] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8220] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8229 attached [pid 8229] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8229] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8229] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8230 attached [pid 8223] <... futex resumed>) = 0 [pid 8220] <... futex resumed>) = 0 [pid 8223] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8220] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8230] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8230] mkdir(".", 0777) = -1 EEXIST (File exists) [ 204.644162][ T8219] overlayfs: upper fs needs to support d_type. [ 204.651424][ T8219] overlayfs: upper fs does not support tmpfile. [ 204.666410][ T8229] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 204.674644][ T8219] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8230] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8218] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8218] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8222] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8218] <... mmap resumed>) = 0x7f6a509b4000 [pid 8218] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8222] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8218] <... mprotect resumed>) = 0 [pid 8218] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8231], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8231 [pid 8218] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8218] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8231 attached [pid 8231] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8231] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8231] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8222] <... futex resumed>) = 0 [pid 8230] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8229] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8222] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8231] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8229] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8231] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8219] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8229] <... futex resumed>) = 1 [pid 8220] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8218] <... futex resumed>) = 0 [pid 8231] <... futex resumed>) = 1 [pid 8220] exit_group(0) = ? [pid 8219] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] lstat("./169/bus", [pid 8222] <... futex resumed>) = ? [pid 8231] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8222] +++ exited with 0 +++ [pid 8218] exit_group(0) = ? [pid 8229] +++ exited with 0 +++ [pid 8231] <... futex resumed>) = ? [pid 8230] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8220] +++ exited with 0 +++ [pid 8219] <... futex resumed>) = ? [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8231] +++ exited with 0 +++ [pid 8230] <... futex resumed>) = 1 [pid 8230] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./169/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8219] +++ exited with 0 +++ [pid 8218] +++ exited with 0 +++ [pid 5001] <... openat resumed>) = 4 [pid 8223] <... futex resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8218, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 8223] exit_group(0) = ? [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8220, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 8224] <... futex resumed>) = ? [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, [pid 8224] +++ exited with 0 +++ [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./169/bus" [pid 8230] <... futex resumed>) = ? [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5001] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] fstat(3, [pid 4998] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8230] +++ exited with 0 +++ [pid 8223] +++ exited with 0 +++ [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./169/binderfs", [pid 5000] getdents64(3, [pid 4998] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8223, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] unlink("./169/binderfs" [pid 4998] <... openat resumed>) = 3 [pid 5000] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... unlink resumed>) = 0 [pid 4998] fstat(3, [pid 5001] getdents64(3, [pid 4997] <... restart_syscall resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./169") = 0 [pid 4998] getdents64(3, [pid 5001] mkdir("./170", 0777) = 0 [pid 4997] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4998] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8232 ./strace-static-x86_64: Process 8232 attached [pid 8232] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8232] chdir("./170") = 0 [pid 8232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8232] setpgid(0, 0) = 0 [pid 8232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8232] write(3, "1000", 4) = 4 [pid 8232] close(3) = 0 [pid 8232] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8232] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8232] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8232] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8233], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8233 [pid 8232] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8232] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8233 attached [pid 8233] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 4997] <... openat resumed>) = 3 [pid 8233] memfd_create("syzkaller", 0 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8233] <... memfd_create resumed>) = 3 [pid 8233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 204.682591][ T8230] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 204.689708][ T8219] overlayfs: failed to resolve './file0': -2 [ 204.717923][ T8231] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] <... umount2 resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 4998] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./170/bus", [pid 4997] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] lstat("./169/bus", [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./170/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... openat resumed>) = 4 [pid 4997] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] fstat(4, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] openat(AT_FDCWD, "./169/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] getdents64(4, [pid 4997] <... openat resumed>) = 4 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] fstat(4, [pid 4998] getdents64(4, [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] getdents64(4, [pid 4998] close(4 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] <... close resumed>) = 0 [pid 4997] getdents64(4, [pid 4998] rmdir("./170/bus" [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] close(4 [pid 4998] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... close resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] rmdir("./169/bus" [pid 4998] lstat("./170/binderfs", [pid 4997] <... rmdir resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] unlink("./170/binderfs" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... unlink resumed>) = 0 [pid 4997] lstat("./169/binderfs", [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] close(3 [pid 4997] unlink("./169/binderfs" [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./170" [pid 4997] <... unlink resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] getdents64(3, [pid 4998] mkdir("./171", 0777 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] close(3 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] <... close resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4997] rmdir("./169" [pid 4998] ioctl(3, LOOP_CLR_FD [pid 4997] <... rmdir resumed>) = 0 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] mkdir("./170", 0777 [pid 4998] close(3 [pid 8233] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... umount2 resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./170/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./170/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, [pid 4997] <... openat resumed>) = 3 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8234 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 5000] getdents64(4, [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4 [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./170/bus") = 0 [pid 5000] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8235 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./170/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./170"./strace-static-x86_64: Process 8235 attached ) = 0 [pid 8235] set_robust_list(0x5555564f86e0, 24 [pid 5000] mkdir("./171", 0777./strace-static-x86_64: Process 8234 attached [pid 8235] <... set_robust_list resumed>) = 0 [pid 8234] set_robust_list(0x5555564f86e0, 24 [pid 5000] <... mkdir resumed>) = 0 [pid 8235] chdir("./170" [pid 8234] <... set_robust_list resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8234] chdir("./171" [pid 8235] <... chdir resumed>) = 0 [pid 8234] <... chdir resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 8235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8235] <... prctl resumed>) = 0 [pid 8234] <... prctl resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 8235] setpgid(0, 0 [pid 8234] setpgid(0, 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8235] <... setpgid resumed>) = 0 [pid 8234] <... setpgid resumed>) = 0 [pid 5000] close(3 [pid 8235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... close resumed>) = 0 [pid 8235] <... openat resumed>) = 3 [pid 8234] <... openat resumed>) = 3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8235] write(3, "1000", 4 [pid 8234] write(3, "1000", 4 [pid 8235] <... write resumed>) = 4 [pid 8234] <... write resumed>) = 4 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8236 [pid 8235] close(3 [pid 8234] close(3) = 0 [pid 8234] symlink("/dev/binderfs", "./binderfs" [pid 8235] <... close resumed>) = 0 [pid 8234] <... symlink resumed>) = 0 [pid 8235] symlink("/dev/binderfs", "./binderfs" [pid 8234] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8235] <... symlink resumed>) = 0 [pid 8234] <... futex resumed>) = 0 [pid 8235] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8235] <... futex resumed>) = 0 [pid 8234] <... mmap resumed>) = 0x7f6a589d5000 [pid 8235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8234] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8235] <... mmap resumed>) = 0x7f6a589d5000 [pid 8234] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 8236 attached [pid 8235] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8234] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8237 attached [pid 8236] set_robust_list(0x5555564f86e0, 24 [pid 8235] <... mprotect resumed>) = 0 [pid 8233] <... write resumed>) = 4194304 [pid 8237] set_robust_list(0x7f6a589f59e0, 24 [pid 8236] <... set_robust_list resumed>) = 0 [pid 8235] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8234] <... clone resumed>, parent_tid=[8237], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8237 [pid 8233] munmap(0x7f6a505d5000, 4194304 [pid 8237] <... set_robust_list resumed>) = 0 [pid 8236] chdir("./171" [pid 8234] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8233] <... munmap resumed>) = 0 [pid 8237] memfd_create("syzkaller", 0 [pid 8236] <... chdir resumed>) = 0 [pid 8235] <... clone resumed>, parent_tid=[8238], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8238 [pid 8234] <... futex resumed>) = 0 [pid 8233] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8237] <... memfd_create resumed>) = 3 [pid 8236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8235] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8234] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8233] <... openat resumed>) = 4 [pid 8237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8236] <... prctl resumed>) = 0 [pid 8235] <... futex resumed>) = 0 [pid 8233] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 8238 attached [pid 8237] <... mmap resumed>) = 0x7f6a505d5000 [pid 8236] setpgid(0, 0 [pid 8235] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8238] set_robust_list(0x7f6a589f59e0, 24 [pid 8236] <... setpgid resumed>) = 0 [pid 8238] <... set_robust_list resumed>) = 0 [pid 8236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8238] memfd_create("syzkaller", 0 [pid 8236] <... openat resumed>) = 3 [pid 8238] <... memfd_create resumed>) = 3 [pid 8236] write(3, "1000", 4 [pid 8238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8236] <... write resumed>) = 4 [pid 8238] <... mmap resumed>) = 0x7f6a505d5000 [pid 8236] close(3) = 0 [pid 8233] <... ioctl resumed>) = 0 [pid 8236] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8233] close(3 [pid 8236] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8233] <... close resumed>) = 0 [pid 8236] <... futex resumed>) = 0 [pid 8233] mkdir("./bus", 0777 [pid 8236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8236] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8236] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8239], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8239 [pid 8236] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8236] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8239 attached [pid 8239] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8239] memfd_create("syzkaller", 0) = 3 [pid 8239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8233] <... mkdir resumed>) = 0 [pid 8233] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 204.888856][ T8233] loop4: detected capacity change from 0 to 8192 [pid 8237] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8238] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 8238] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8238] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8238] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8238] close(3) = 0 [pid 8238] mkdir("./bus", 0777) = 0 [ 204.935871][ T8233] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 204.968979][ T8233] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 204.978422][ T8238] loop0: detected capacity change from 0 to 8192 [pid 8238] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8239] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8237] <... write resumed>) = 4194304 [pid 8237] munmap(0x7f6a505d5000, 4194304 [pid 8239] <... write resumed>) = 4194304 [pid 8237] <... munmap resumed>) = 0 [ 204.990982][ T8233] REISERFS (device loop4): using ordered data mode [ 204.997772][ T8233] reiserfs: using flush barriers [ 205.005294][ T8238] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 205.018330][ T8233] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8239] munmap(0x7f6a505d5000, 4194304 [pid 8237] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8239] <... munmap resumed>) = 0 [pid 8237] <... openat resumed>) = 4 [pid 8237] ioctl(4, LOOP_SET_FD, 3 [pid 8239] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8239] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8239] close(3) = 0 [pid 8239] mkdir("./bus", 0777) = 0 [pid 8239] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8237] <... ioctl resumed>) = 0 [pid 8237] close(3) = 0 [pid 8237] mkdir("./bus", 0777) = 0 [ 205.018596][ T8233] REISERFS (device loop4): checking transaction log (loop4) [ 205.035869][ T8238] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 205.044724][ T8237] loop1: detected capacity change from 0 to 8192 [ 205.058525][ T8239] loop3: detected capacity change from 0 to 8192 [ 205.066433][ T8233] REISERFS (device loop4): Using r5 hash to sort names [ 205.069241][ T8238] REISERFS (device loop0): using ordered data mode [pid 8237] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8233] <... mount resumed>) = 0 [ 205.074120][ T8233] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 205.080459][ T8238] reiserfs: using flush barriers [ 205.092968][ T8233] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 205.097985][ T8237] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 205.107957][ T8239] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8233] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8233] chdir("./bus") = 0 [pid 8233] ioctl(4, LOOP_CLR_FD) = 0 [ 205.120018][ T8238] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 205.133008][ T8239] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 205.149445][ T8237] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 205.158501][ T8239] REISERFS (device loop3): using ordered data mode [ 205.167645][ T8238] REISERFS (device loop0): checking transaction log (loop0) [ 205.174003][ T8239] reiserfs: using flush barriers [pid 8233] close(4) = 0 [pid 8233] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8233] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8232] <... futex resumed>) = 0 [pid 8232] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8233] <... futex resumed>) = 0 [pid 8232] <... futex resumed>) = 1 [pid 8233] mkdir("./file1", 000 [pid 8232] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8233] <... mkdir resumed>) = 0 [pid 8233] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8232] <... futex resumed>) = 0 [pid 8233] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8232] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8232] <... futex resumed>) = 0 [pid 8233] mkdir("./bus", 000 [pid 8232] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8233] <... mkdir resumed>) = 0 [pid 8233] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8232] <... futex resumed>) = 0 [pid 8233] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8232] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8232] <... futex resumed>) = 0 [pid 8233] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 205.186472][ T8237] REISERFS (device loop1): using ordered data mode [ 205.193839][ T8239] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 205.198404][ T8237] reiserfs: using flush barriers [ 205.221271][ T8233] overlayfs: upper fs needs to support d_type. [ 205.222646][ T8239] REISERFS (device loop3): checking transaction log (loop3) [pid 8232] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [ 205.227780][ T8237] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 205.251380][ T8233] overlayfs: upper fs does not support tmpfile. [ 205.251957][ T8239] REISERFS (device loop3): Using r5 hash to sort names [ 205.259018][ T8233] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 205.265385][ T8239] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 205.273717][ T8233] overlayfs: failed to resolve './file0': -2 [pid 8232] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8233] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8233] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8233] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8239] <... mount resumed>) = 0 [pid 8239] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8239] chdir("./bus") = 0 [pid 8239] ioctl(4, LOOP_CLR_FD) = 0 [pid 8239] close(4) = 0 [pid 8239] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8236] <... futex resumed>) = 0 [pid 8236] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8236] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8239] <... futex resumed>) = 1 [pid 8239] mkdir("./file1", 000) = 0 [pid 8239] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8236] <... futex resumed>) = 0 [pid 8239] <... futex resumed>) = 1 [pid 8238] <... mount resumed>) = 0 [pid 8236] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8232] <... mmap resumed>) = 0x7f6a509b4000 [pid 8239] mkdir("./bus", 000 [pid 8236] <... futex resumed>) = 0 [pid 8239] <... mkdir resumed>) = 0 [pid 8236] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8239] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8236] <... futex resumed>) = 0 [pid 8239] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8236] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8236] <... futex resumed>) = 0 [pid 8239] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8236] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 205.284772][ T8238] REISERFS (device loop0): Using r5 hash to sort names [ 205.292525][ T8237] REISERFS (device loop1): checking transaction log (loop1) [ 205.305624][ T8238] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 205.306935][ T8239] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 205.318827][ T8238] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8232] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8238] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8238] chdir("./bus") = 0 [pid 8238] ioctl(4, LOOP_CLR_FD) = 0 [pid 8238] close(4) = 0 [pid 8238] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8238] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8235] <... futex resumed>) = 0 [pid 8235] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8232] <... mprotect resumed>) = 0 [pid 8235] <... futex resumed>) = 1 [pid 8232] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8238] <... futex resumed>) = 0 [pid 8238] mkdir("./file1", 000./strace-static-x86_64: Process 8244 attached ) = 0 [pid 8235] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8238] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8232] <... clone resumed>, parent_tid=[8244], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8244 [pid 8244] set_robust_list(0x7f6a509d49e0, 24 [pid 8238] <... futex resumed>) = 1 [pid 8235] <... futex resumed>) = 0 [pid 8232] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8244] <... set_robust_list resumed>) = 0 [pid 8238] mkdir("./bus", 000 [pid 8235] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8232] <... futex resumed>) = 0 [pid 8244] mkdir(".", 0777 [pid 8238] <... mkdir resumed>) = 0 [pid 8235] <... futex resumed>) = 0 [pid 8232] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8238] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8244] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8238] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8235] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8244] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8235] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8238] <... futex resumed>) = 0 [pid 8235] <... futex resumed>) = 1 [pid 8238] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 205.343606][ T8239] overlayfs: upper fs needs to support d_type. [ 205.350943][ T8237] REISERFS (device loop1): Using r5 hash to sort names [ 205.351113][ T8239] overlayfs: upper fs does not support tmpfile. [ 205.368441][ T8237] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 205.377687][ T8239] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8235] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8236] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8236] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8236] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8236] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8245], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8245 [pid 8236] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8236] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8245 attached [pid 8245] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8245] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8245] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8244] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 205.392420][ T8238] overlayfs: upper fs needs to support d_type. [ 205.393430][ T8244] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 205.412979][ T8238] overlayfs: upper fs does not support tmpfile. [ 205.424601][ T8245] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8244] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8237] <... mount resumed>) = 0 [pid 8235] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8245] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8244] <... futex resumed>) = 1 [pid 8237] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8235] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8232] <... futex resumed>) = 0 [pid 8245] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8244] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8237] <... openat resumed>) = 3 [pid 8235] <... futex resumed>) = 0 [pid 8232] exit_group(0 [pid 8245] <... futex resumed>) = 1 [pid 8244] <... futex resumed>) = ? [pid 8237] chdir("./bus" [pid 8235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8232] <... exit_group resumed>) = ? [pid 8245] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8244] +++ exited with 0 +++ [pid 8237] <... chdir resumed>) = 0 [pid 8235] <... mmap resumed>) = 0x7f6a509b4000 [pid 8237] ioctl(4, LOOP_CLR_FD [pid 8235] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8237] <... ioctl resumed>) = 0 [pid 8235] <... mprotect resumed>) = 0 [pid 8237] close(4 [pid 8235] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8237] <... close resumed>) = 0 [pid 8237] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8235] <... clone resumed>, parent_tid=[8246], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8246 [pid 8237] <... futex resumed>) = 1 [pid 8235] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8237] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8235] <... futex resumed>) = 0 [pid 8235] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8236] <... futex resumed>) = 0 [pid 8233] <... futex resumed>) = ? [pid 8234] <... futex resumed>) = 0 [pid 8233] +++ exited with 0 +++ [pid 8234] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8232] +++ exited with 0 +++ ./strace-static-x86_64: Process 8246 attached [pid 8237] <... futex resumed>) = 0 [pid 8234] <... futex resumed>) = 1 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8232, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8246] set_robust_list(0x7f6a509d49e0, 24 [pid 8237] mkdir("./file1", 000 [pid 8234] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8246] <... set_robust_list resumed>) = 0 [pid 8246] mkdir(".", 0777 [pid 8237] <... mkdir resumed>) = 0 [pid 8246] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8246] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8237] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8234] <... futex resumed>) = 0 [pid 8234] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8234] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8237] mkdir("./bus", 000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8237] <... mkdir resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [ 205.439721][ T8237] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 205.441583][ T8238] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 205.450680][ T8239] overlayfs: failed to resolve './file0': -2 [ 205.459563][ T8238] overlayfs: failed to resolve './file0': -2 [pid 8237] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] fstat(3, [pid 8237] <... futex resumed>) = 1 [pid 8237] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8239] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8239] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8239] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8236] exit_group(0 [pid 8245] <... futex resumed>) = ? [pid 8239] <... futex resumed>) = ? [pid 8236] <... exit_group resumed>) = ? [pid 8245] +++ exited with 0 +++ [pid 8239] +++ exited with 0 +++ [pid 8236] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8236, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5000] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8238] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8238] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8238] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8234] <... futex resumed>) = 0 [pid 8246] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8246] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8234] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] getdents64(3, [pid 8246] <... futex resumed>) = 1 [pid 8235] <... futex resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8246] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8235] exit_group(0 [pid 5001] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8246] <... futex resumed>) = ? [pid 8235] <... exit_group resumed>) = ? [pid 8238] <... futex resumed>) = ? [pid 8237] <... futex resumed>) = 0 [pid 8234] <... futex resumed>) = 1 [pid 8238] +++ exited with 0 +++ [pid 8237] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8234] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8246] +++ exited with 0 +++ [pid 8235] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8235, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 4997] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./170/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 5001] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./170/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] fstat(4, [pid 8234] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8234] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8234] <... mmap resumed>) = 0x7f6a509b4000 [pid 8234] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8234] <... mprotect resumed>) = 0 [pid 8234] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8247], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8247 [pid 8234] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] lstat("./171/bus", [pid 8234] <... futex resumed>) = 0 [pid 8234] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] getdents64(4, [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./171/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] getdents64(4, [pid 5000] <... openat resumed>) = 4 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [ 205.488824][ T8246] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 205.510201][ T8237] overlayfs: upper fs needs to support d_type. [ 205.518315][ T8237] overlayfs: upper fs does not support tmpfile. [ 205.525233][ T8237] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5000] fstat(4, [pid 5001] rmdir("./170/bus" [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./171/bus") = 0 [pid 5001] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./170/binderfs") = 0 [pid 5000] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./171/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./170") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./171") = 0 ./strace-static-x86_64: Process 8247 attached [pid 8247] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8247] mkdir(".", 0777 [pid 5001] mkdir("./171", 0777 [pid 8247] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5001] <... mkdir resumed>) = 0 [pid 8247] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5000] mkdir("./172", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] <... close resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8248 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8249 ./strace-static-x86_64: Process 8248 attached [pid 8248] set_robust_list(0x5555564f86e0, 24./strace-static-x86_64: Process 8249 attached [pid 8249] set_robust_list(0x5555564f86e0, 24 [pid 8248] <... set_robust_list resumed>) = 0 [pid 8248] chdir("./172" [pid 8249] <... set_robust_list resumed>) = 0 [pid 8248] <... chdir resumed>) = 0 [pid 8249] chdir("./171" [pid 8248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8249] <... chdir resumed>) = 0 [pid 8248] <... prctl resumed>) = 0 [pid 8249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8248] setpgid(0, 0 [pid 8249] <... prctl resumed>) = 0 [pid 8248] <... setpgid resumed>) = 0 [pid 8249] setpgid(0, 0 [pid 8248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8249] <... setpgid resumed>) = 0 [pid 8248] <... openat resumed>) = 3 [pid 8249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8248] write(3, "1000", 4 [pid 8249] <... openat resumed>) = 3 [pid 8248] <... write resumed>) = 4 [pid 8249] write(3, "1000", 4 [pid 8248] close(3 [pid 8249] <... write resumed>) = 4 [pid 8248] <... close resumed>) = 0 [pid 8249] close(3 [pid 8248] symlink("/dev/binderfs", "./binderfs" [pid 8249] <... close resumed>) = 0 [pid 8248] <... symlink resumed>) = 0 [pid 8249] symlink("/dev/binderfs", "./binderfs" [pid 8248] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8249] <... symlink resumed>) = 0 [pid 8248] <... futex resumed>) = 0 [pid 8249] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8249] <... futex resumed>) = 0 [pid 8248] <... mmap resumed>) = 0x7f6a589d5000 [pid 8249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8248] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8249] <... mmap resumed>) = 0x7f6a589d5000 [pid 8248] <... mprotect resumed>) = 0 [pid 8249] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8248] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8249] <... mprotect resumed>) = 0 [pid 8249] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8248] <... clone resumed>, parent_tid=[8250], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8250 [pid 8248] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8249] <... clone resumed>, parent_tid=[8251], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8251 [pid 8248] <... futex resumed>) = 0 [pid 8249] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8248] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8249] <... futex resumed>) = 0 [pid 8249] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8250 attached [pid 8250] set_robust_list(0x7f6a589f59e0, 24 [pid 4997] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8251 attached [pid 8251] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8251] memfd_create("syzkaller", 0) = 3 [pid 8251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8250] <... set_robust_list resumed>) = 0 [pid 4997] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8250] memfd_create("syzkaller", 0 [pid 8247] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./170/bus", [pid 8250] <... memfd_create resumed>) = 3 [pid 8250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8247] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8250] <... mmap resumed>) = 0x7f6a505d5000 [pid 8247] <... futex resumed>) = 1 [pid 8234] <... futex resumed>) = 0 [pid 4997] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./170/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 8247] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./170/bus") = 0 [pid 4997] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./170/binderfs" [pid 8250] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 8237] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4997] rmdir("./170" [pid 8237] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./171", 0777 [pid 8237] <... futex resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8237] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8234] exit_group(0 [pid 4997] <... openat resumed>) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8247] <... futex resumed>) = ? [pid 8237] <... futex resumed>) = ? [pid 8234] <... exit_group resumed>) = ? [ 205.590259][ T8247] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 205.625549][ T8237] overlayfs: failed to resolve './file0': -2 [pid 4997] close(3 [pid 8251] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8247] +++ exited with 0 +++ [pid 8237] +++ exited with 0 +++ [pid 8234] +++ exited with 0 +++ [pid 4997] <... close resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8234, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8252 [pid 4998] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8252 attached [pid 8252] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8252] chdir("./171") = 0 [pid 8250] <... write resumed>) = 4194304 [pid 8250] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8250] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8250] ioctl(4, LOOP_SET_FD, 3 [pid 8252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8252] setpgid(0, 0) = 0 [pid 8252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8252] write(3, "1000", 4) = 4 [pid 8252] close(3) = 0 [pid 8252] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8252] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8252] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8252] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8253], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8253 [pid 8250] <... ioctl resumed>) = 0 [pid 8252] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8252] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8250] close(3./strace-static-x86_64: Process 8253 attached [pid 8251] <... write resumed>) = 4194304 [pid 8250] <... close resumed>) = 0 [pid 8253] set_robust_list(0x7f6a589f59e0, 24 [pid 8251] munmap(0x7f6a505d5000, 4194304 [pid 8250] mkdir("./bus", 0777) = 0 [pid 8253] <... set_robust_list resumed>) = 0 [pid 8250] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8251] <... munmap resumed>) = 0 [pid 8253] memfd_create("syzkaller", 0 [pid 8251] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8253] <... memfd_create resumed>) = 3 [pid 8251] <... openat resumed>) = 4 [pid 8253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8251] ioctl(4, LOOP_SET_FD, 3 [pid 8253] <... mmap resumed>) = 0x7f6a505d5000 [pid 8251] <... ioctl resumed>) = 0 [pid 8251] close(3 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./171/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./171/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./171/bus") = 0 [pid 4998] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./171/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./171") = 0 [pid 4998] mkdir("./172", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 205.709644][ T8250] loop3: detected capacity change from 0 to 8192 [ 205.727338][ T8251] loop4: detected capacity change from 0 to 8192 [ 205.735846][ T8250] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 4998] close(3 [pid 8253] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8251] <... close resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8251] mkdir("./bus", 0777) = 0 [pid 8251] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8256 ./strace-static-x86_64: Process 8256 attached [pid 8256] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8253] <... write resumed>) = 4194304 [ 205.766014][ T8250] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 205.780690][ T8250] REISERFS (device loop3): using ordered data mode [ 205.788578][ T8251] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 205.800206][ T8250] reiserfs: using flush barriers [ 205.802291][ T8251] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8256] chdir("./172" [pid 8253] munmap(0x7f6a505d5000, 4194304 [pid 8256] <... chdir resumed>) = 0 [pid 8253] <... munmap resumed>) = 0 [pid 8256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8256] setpgid(0, 0) = 0 [pid 8256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8256] write(3, "1000", 4) = 4 [pid 8256] close(3) = 0 [pid 8256] symlink("/dev/binderfs", "./binderfs" [pid 8253] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8256] <... symlink resumed>) = 0 [pid 8253] <... openat resumed>) = 4 [pid 8256] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8253] ioctl(4, LOOP_SET_FD, 3 [pid 8256] <... futex resumed>) = 0 [pid 8256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8256] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8256] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8257], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8257 [pid 8256] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8256] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8253] <... ioctl resumed>) = 0 [pid 8253] close(3) = 0 ./strace-static-x86_64: Process 8257 attached [pid 8253] mkdir("./bus", 0777) = 0 [pid 8253] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8257] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8257] memfd_create("syzkaller", 0) = 3 [pid 8257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 205.813074][ T8253] loop0: detected capacity change from 0 to 8192 [ 205.815965][ T8250] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 205.826524][ T8251] REISERFS (device loop4): using ordered data mode [ 205.838953][ T8250] REISERFS (device loop3): checking transaction log (loop3) [ 205.847989][ T8251] reiserfs: using flush barriers [ 205.853649][ T8250] REISERFS (device loop3): Using r5 hash to sort names [pid 8250] <... mount resumed>) = 0 [ 205.865457][ T8253] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 205.865541][ T8250] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 205.887205][ T8251] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 205.891400][ T8250] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8257] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8250] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8250] chdir("./bus") = 0 [pid 8250] ioctl(4, LOOP_CLR_FD) = 0 [pid 8250] close(4) = 0 [pid 8250] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8250] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8248] <... futex resumed>) = 0 [pid 8248] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8250] <... futex resumed>) = 0 [pid 8248] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8250] mkdir("./file1", 000) = 0 [pid 8250] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8248] <... futex resumed>) = 0 [pid 8250] mkdir("./bus", 000 [pid 8248] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8250] <... mkdir resumed>) = 0 [pid 8248] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8250] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8250] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8248] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8250] <... futex resumed>) = 0 [pid 8248] <... futex resumed>) = 1 [pid 8250] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 205.916785][ T8253] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 205.926587][ T8253] REISERFS (device loop0): using ordered data mode [ 205.933624][ T8253] reiserfs: using flush barriers [ 205.940743][ T8251] REISERFS (device loop4): checking transaction log (loop4) [ 205.956077][ T8250] overlayfs: upper fs needs to support d_type. [pid 8248] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8257] <... write resumed>) = 4194304 [pid 8257] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8257] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8257] ioctl(4, LOOP_SET_FD, 3 [pid 8248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8248] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8248] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8248] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8259], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8259 [pid 8248] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 205.964279][ T8253] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 205.964701][ T8251] REISERFS (device loop4): Using r5 hash to sort names [ 205.980924][ T8250] overlayfs: upper fs does not support tmpfile. [ 205.992242][ T8257] loop1: detected capacity change from 0 to 8192 [ 205.994808][ T8250] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 206.000832][ T8253] REISERFS (device loop0): checking transaction log (loop0) [pid 8248] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8257] <... ioctl resumed>) = 0 [pid 8257] close(3) = 0 [pid 8257] mkdir("./bus", 0777) = 0 [pid 8257] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8259 attached [pid 8259] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8259] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8259] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8250] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8250] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 206.008645][ T8250] overlayfs: failed to resolve './file0': -2 [ 206.025508][ T8257] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 206.037772][ T8251] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 206.051677][ T8251] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8259] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8251] <... mount resumed>) = 0 [pid 8250] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8259] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8248] <... futex resumed>) = 0 [pid 8248] exit_group(0) = ? [pid 8259] <... futex resumed>) = ? [pid 8259] +++ exited with 0 +++ [pid 8251] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8250] <... futex resumed>) = ? [pid 8251] <... openat resumed>) = 3 [pid 8251] chdir("./bus" [pid 8250] +++ exited with 0 +++ [pid 8248] +++ exited with 0 +++ [pid 8251] <... chdir resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8248, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [ 206.052530][ T8259] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 206.061503][ T8257] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 206.085933][ T8253] REISERFS (device loop0): Using r5 hash to sort names [ 206.087183][ T8257] REISERFS (device loop1): using ordered data mode [ 206.093758][ T8253] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 206.099847][ T8257] reiserfs: using flush barriers [pid 8251] ioctl(4, LOOP_CLR_FD) = 0 [pid 8251] close(4 [pid 5000] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8253] <... mount resumed>) = 0 [pid 8251] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8251] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8249] <... futex resumed>) = 0 [pid 8251] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8249] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8249] <... futex resumed>) = 0 [pid 8253] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8251] mkdir("./file1", 000 [pid 8249] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8253] <... openat resumed>) = 3 [pid 8253] chdir("./bus") = 0 [pid 8253] ioctl(4, LOOP_CLR_FD) = 0 [pid 8253] close(4) = 0 [pid 8253] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8253] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8251] <... mkdir resumed>) = 0 [pid 8251] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8251] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8249] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8249] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8251] <... futex resumed>) = 0 [pid 8251] mkdir("./bus", 000) = 0 [pid 8251] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8249] <... futex resumed>) = 0 [pid 8249] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8249] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8251] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8252] <... futex resumed>) = 0 [pid 8252] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8253] <... futex resumed>) = 0 [pid 8252] <... futex resumed>) = 1 [pid 8253] mkdir("./file1", 000 [pid 8252] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8253] <... mkdir resumed>) = 0 [pid 8253] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8253] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8252] <... futex resumed>) = 0 [pid 8252] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8253] <... futex resumed>) = 0 [pid 8252] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8253] mkdir("./bus", 000) = 0 [pid 8253] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8252] <... futex resumed>) = 0 [pid 8252] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8252] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 206.112549][ T8253] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 206.129020][ T8257] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 206.144295][ T8251] overlayfs: upper fs needs to support d_type. [ 206.148539][ T8257] REISERFS (device loop1): checking transaction log (loop1) [ 206.152176][ T8251] overlayfs: upper fs does not support tmpfile. [pid 8253] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8251] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8249] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8251] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8249] <... futex resumed>) = 0 [pid 8251] <... futex resumed>) = 0 [pid 8251] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8249] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8249] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8261], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8261 [pid 8249] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 206.171816][ T8251] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 206.180269][ T8251] overlayfs: failed to resolve './file0': -2 [ 206.184141][ T8253] overlayfs: upper fs needs to support d_type. [ 206.190793][ T8257] REISERFS (device loop1): Using r5 hash to sort names [ 206.204606][ T8257] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8249] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8252] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8252] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8261 attached ) = 0x7f6a509b4000 [pid 8252] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8261] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8252] <... mprotect resumed>) = 0 [pid 8261] mkdir(".", 0777 [pid 8252] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8261] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8261] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8252] <... clone resumed>, parent_tid=[8262], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8262 [pid 8252] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8252] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8262 attached [pid 8262] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8262] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8262] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8261] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8257] <... mount resumed>) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 8261] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8261] <... futex resumed>) = 1 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8261] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] lstat("./172/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./172/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8262] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8257] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8249] <... futex resumed>) = 0 [ 206.205115][ T8253] overlayfs: upper fs does not support tmpfile. [ 206.217563][ T8257] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 206.243041][ T8261] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 206.254132][ T8262] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5000] getdents64(4, [pid 8257] <... openat resumed>) = 3 [pid 8249] exit_group(0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8257] chdir("./bus" [pid 8249] <... exit_group resumed>) = ? [pid 5000] getdents64(4, [pid 8257] <... chdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8257] ioctl(4, LOOP_CLR_FD [pid 5000] close(4 [pid 8257] <... ioctl resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 8257] close(4 [pid 5000] rmdir("./172/bus" [pid 8262] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8261] <... futex resumed>) = ? [pid 8257] <... close resumed>) = 0 [pid 8251] <... futex resumed>) = ? [pid 5000] <... rmdir resumed>) = 0 [pid 8257] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8256] <... futex resumed>) = 0 [pid 5000] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8257] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8256] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8256] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8257] mkdir("./file1", 000 [pid 8256] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8257] <... mkdir resumed>) = 0 [pid 5000] lstat("./172/binderfs", [pid 8257] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8256] <... futex resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8257] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8256] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8256] <... futex resumed>) = 0 [pid 5000] unlink("./172/binderfs" [pid 8257] mkdir("./bus", 000 [pid 8256] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... unlink resumed>) = 0 [pid 8257] <... mkdir resumed>) = 0 [pid 5000] getdents64(3, [pid 8257] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8257] <... futex resumed>) = 1 [pid 8256] <... futex resumed>) = 0 [pid 5000] close(3 [pid 8257] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8256] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 8257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8256] <... futex resumed>) = 0 [pid 5000] rmdir("./172" [pid 8257] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8256] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... rmdir resumed>) = 0 [pid 8262] <... futex resumed>) = 1 [pid 8261] +++ exited with 0 +++ [pid 8252] <... futex resumed>) = 0 [pid 8251] +++ exited with 0 +++ [pid 8249] +++ exited with 0 +++ [pid 8262] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8249, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5000] mkdir("./173", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5001] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... openat resumed>) = 3 [pid 5000] close(3 [pid 5001] fstat(3, [pid 5000] <... close resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8263 [pid 5001] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8253] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8253] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8253] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8252] exit_group(0./strace-static-x86_64: Process 8263 attached [pid 8262] <... futex resumed>) = ? [ 206.274160][ T8253] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 206.283155][ T8253] overlayfs: failed to resolve './file0': -2 [ 206.288338][ T8257] overlayfs: upper fs needs to support d_type. [ 206.295791][ T8257] overlayfs: upper fs does not support tmpfile. [ 206.303451][ T8257] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 206.311779][ T8257] overlayfs: failed to resolve './file0': -2 [pid 8253] <... futex resumed>) = ? [pid 8252] <... exit_group resumed>) = ? [pid 8263] set_robust_list(0x5555564f86e0, 24 [pid 8262] +++ exited with 0 +++ [pid 8257] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8263] <... set_robust_list resumed>) = 0 [pid 8257] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8263] chdir("./173" [pid 8257] <... futex resumed>) = 1 [pid 8256] <... futex resumed>) = 0 [pid 8263] <... chdir resumed>) = 0 [pid 8257] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8256] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8256] <... futex resumed>) = 0 [pid 8263] <... prctl resumed>) = 0 [pid 8257] mkdir(".", 0777 [pid 8256] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8263] setpgid(0, 0 [pid 8257] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8263] <... setpgid resumed>) = 0 [pid 8257] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8263] write(3, "1000", 4 [pid 8253] +++ exited with 0 +++ [pid 8252] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8252, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 4997] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8263] <... write resumed>) = 4 [pid 8263] close(3) = 0 [pid 8263] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8263] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8257] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8257] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8256] <... futex resumed>) = 0 [pid 8257] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8256] exit_group(0 [pid 8257] <... futex resumed>) = ? [pid 8256] <... exit_group resumed>) = ? [pid 8257] +++ exited with 0 +++ [pid 8256] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8256, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8263] <... futex resumed>) = 0 [pid 4998] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 4997] <... umount2 resumed>) = 0 [pid 8263] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8263] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8264], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8264 [pid 4997] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8264 attached [pid 8263] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8264] set_robust_list(0x7f6a589f59e0, 24 [pid 8263] <... futex resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8264] <... set_robust_list resumed>) = 0 [pid 8263] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] lstat("./171/bus", [pid 8264] memfd_create("syzkaller", 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8264] <... memfd_create resumed>) = 3 [pid 4997] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8264] <... mmap resumed>) = 0x7f6a505d5000 [pid 4997] openat(AT_FDCWD, "./171/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 206.341129][ T8257] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./171/bus") = 0 [pid 4997] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./171/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./171") = 0 [pid 4997] mkdir("./172", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8265 ./strace-static-x86_64: Process 8265 attached [pid 8265] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8265] chdir("./172") = 0 [pid 8265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8265] setpgid(0, 0) = 0 [pid 8265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5001] <... umount2 resumed>) = 0 [pid 8265] write(3, "1000", 4) = 4 [pid 5001] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8265] close(3) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8265] symlink("/dev/binderfs", "./binderfs" [pid 5001] lstat("./171/bus", [pid 8265] <... symlink resumed>) = 0 [pid 8265] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8265] <... futex resumed>) = 0 [pid 8265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8265] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8265] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] openat(AT_FDCWD, "./171/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8265] <... mprotect resumed>) = 0 [pid 5001] <... openat resumed>) = 4 [pid 8265] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] fstat(4, [pid 8265] <... clone resumed>, parent_tid=[8266], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8266 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8265] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5001] getdents64(4, [pid 8265] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./171/bus") = 0 [pid 5001] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./171/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./171" [pid 4998] <... umount2 resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./172", 0777 [pid 4998] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 4998] lstat("./172/bus", [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] close(3 [pid 8264] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8266 attached [pid 5001] <... close resumed>) = 0 [pid 4998] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8266] set_robust_list(0x7f6a589f59e0, 24 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8266] <... set_robust_list resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./172/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8266] memfd_create("syzkaller", 0 [pid 4998] getdents64(4, [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8267 [pid 8266] <... memfd_create resumed>) = 3 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4998] getdents64(4, [pid 8266] <... mmap resumed>) = 0x7f6a505d5000 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./172/bus") = 0 [pid 4998] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./172/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 ./strace-static-x86_64: Process 8267 attached [pid 4998] rmdir("./172" [pid 8267] set_robust_list(0x5555564f86e0, 24 [pid 4998] <... rmdir resumed>) = 0 [pid 8267] <... set_robust_list resumed>) = 0 [pid 8267] chdir("./172" [pid 4998] mkdir("./173", 0777 [pid 8267] <... chdir resumed>) = 0 [pid 8267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] <... mkdir resumed>) = 0 [pid 8267] <... prctl resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8267] setpgid(0, 0 [pid 4998] <... openat resumed>) = 3 [pid 8267] <... setpgid resumed>) = 0 [pid 8267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] ioctl(3, LOOP_CLR_FD [pid 8267] <... openat resumed>) = 3 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8267] write(3, "1000", 4 [pid 4998] close(3 [pid 8267] <... write resumed>) = 4 [pid 4998] <... close resumed>) = 0 [pid 8267] close(3 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8267] <... close resumed>) = 0 [pid 8267] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8268 [pid 8267] <... symlink resumed>) = 0 [pid 8267] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8267] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8267] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8269], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8269 [pid 8267] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8267] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8268 attached [pid 8268] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8268] chdir("./173") = 0 [pid 8268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8268] setpgid(0, 0) = 0 [pid 8268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8268] write(3, "1000", 4./strace-static-x86_64: Process 8269 attached ) = 4 [pid 8269] set_robust_list(0x7f6a589f59e0, 24 [pid 8268] close(3 [pid 8269] <... set_robust_list resumed>) = 0 [pid 8268] <... close resumed>) = 0 [pid 8268] symlink("/dev/binderfs", "./binderfs" [pid 8269] memfd_create("syzkaller", 0 [pid 8268] <... symlink resumed>) = 0 [pid 8268] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8269] <... memfd_create resumed>) = 3 [pid 8268] <... futex resumed>) = 0 [pid 8269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8269] <... mmap resumed>) = 0x7f6a505d5000 [pid 8268] <... mmap resumed>) = 0x7f6a589d5000 [pid 8268] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8268] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8270], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8270 [pid 8268] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8268] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8270 attached [pid 8270] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8270] memfd_create("syzkaller", 0 [pid 8264] <... write resumed>) = 4194304 [pid 8264] munmap(0x7f6a505d5000, 4194304 [pid 8270] <... memfd_create resumed>) = 3 [pid 8270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8264] <... munmap resumed>) = 0 [pid 8264] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8264] ioctl(4, LOOP_SET_FD, 3 [pid 8266] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8264] <... ioctl resumed>) = 0 [pid 8264] close(3) = 0 [pid 8264] mkdir("./bus", 0777) = 0 [pid 8264] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8270] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 206.528823][ T8264] loop3: detected capacity change from 0 to 8192 [ 206.561646][ T8264] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8269] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8266] <... write resumed>) = 4194304 [pid 8266] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8266] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 206.574929][ T8264] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 206.584445][ T8264] REISERFS (device loop3): using ordered data mode [ 206.591159][ T8264] reiserfs: using flush barriers [ 206.597295][ T8264] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 206.614625][ T8264] REISERFS (device loop3): checking transaction log (loop3) [ 206.622692][ T8266] loop0: detected capacity change from 0 to 8192 [pid 8266] ioctl(4, LOOP_SET_FD, 3 [pid 8270] <... write resumed>) = 4194304 [pid 8269] <... write resumed>) = 4194304 [pid 8266] <... ioctl resumed>) = 0 [pid 8270] munmap(0x7f6a505d5000, 4194304 [pid 8269] munmap(0x7f6a505d5000, 4194304 [pid 8266] close(3 [pid 8270] <... munmap resumed>) = 0 [pid 8269] <... munmap resumed>) = 0 [pid 8266] <... close resumed>) = 0 [pid 8266] mkdir("./bus", 0777) = 0 [pid 8266] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8269] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8270] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8269] ioctl(4, LOOP_SET_FD, 3 [pid 8270] ioctl(4, LOOP_SET_FD, 3 [pid 8264] <... mount resumed>) = 0 [pid 8269] <... ioctl resumed>) = 0 [pid 8264] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8269] close(3) = 0 [pid 8269] mkdir("./bus", 0777) = 0 [pid 8269] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8264] <... openat resumed>) = 3 [pid 8270] <... ioctl resumed>) = 0 [pid 8270] close(3) = 0 [pid 8270] mkdir("./bus", 0777) = 0 [pid 8270] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8264] chdir("./bus") = 0 [pid 8264] ioctl(4, LOOP_CLR_FD) = 0 [ 206.630070][ T8264] REISERFS (device loop3): Using r5 hash to sort names [ 206.637761][ T8264] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 206.651007][ T8264] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 206.658969][ T8269] loop4: detected capacity change from 0 to 8192 [ 206.662045][ T8270] loop1: detected capacity change from 0 to 8192 [pid 8264] close(4) = 0 [pid 8264] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8263] <... futex resumed>) = 0 [pid 8263] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8263] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8264] <... futex resumed>) = 1 [pid 8264] mkdir("./file1", 000) = 0 [pid 8264] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8263] <... futex resumed>) = 0 [pid 8263] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8263] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8264] <... futex resumed>) = 1 [pid 8264] mkdir("./bus", 000) = 0 [pid 8264] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8263] <... futex resumed>) = 0 [pid 8263] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8263] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8264] <... futex resumed>) = 1 [ 206.674075][ T8266] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 206.688811][ T8266] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 206.699515][ T8269] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 206.699614][ T8266] REISERFS (device loop0): using ordered data mode [ 206.713585][ T8269] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8264] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8263] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8263] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8263] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8275], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8275 [pid 8263] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8263] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8275 attached [pid 8275] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8275] mkdir(".", 0777) = -1 EEXIST (File exists) [ 206.719739][ T8266] reiserfs: using flush barriers [ 206.729141][ T8264] overlayfs: upper fs needs to support d_type. [ 206.734606][ T8266] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 206.739515][ T8270] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 206.756175][ T8266] REISERFS (device loop0): checking transaction log (loop0) [ 206.777727][ T8266] REISERFS (device loop0): Using r5 hash to sort names [ 206.778684][ T8264] overlayfs: upper fs does not support tmpfile. [ 206.785048][ T8266] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 206.792764][ T8269] REISERFS (device loop4): using ordered data mode [ 206.803971][ T8270] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 206.813030][ T8264] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 206.820355][ T8270] REISERFS (device loop1): using ordered data mode [ 206.833904][ T8270] reiserfs: using flush barriers [ 206.838751][ T8275] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 206.839646][ T8269] reiserfs: using flush barriers [ 206.858859][ T8270] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8275] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 8275] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8263] <... futex resumed>) = 0 [ 206.876051][ T8269] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 206.892704][ T8270] REISERFS (device loop1): checking transaction log (loop1) [ 206.900659][ T8269] REISERFS (device loop4): checking transaction log (loop4) [ 206.903625][ T8264] overlayfs: failed to resolve './file0': -2 [ 206.908718][ T8266] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 206.923940][ T8270] REISERFS (device loop1): Using r5 hash to sort names [pid 8275] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8266] <... mount resumed>) = 0 [pid 8264] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8264] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8264] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8270] <... mount resumed>) = 0 [pid 8266] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8263] exit_group(0 [pid 8275] <... futex resumed>) = ? [pid 8266] <... openat resumed>) = 3 [pid 8263] <... exit_group resumed>) = ? [pid 8275] +++ exited with 0 +++ [pid 8266] chdir("./bus") = 0 [pid 8266] ioctl(4, LOOP_CLR_FD) = 0 [pid 8266] close(4) = 0 [pid 8266] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8265] <... futex resumed>) = 0 [pid 8266] mkdir("./file1", 000 [pid 8265] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8266] <... mkdir resumed>) = 0 [pid 8265] <... futex resumed>) = 0 [pid 8266] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8265] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8266] <... futex resumed>) = 0 [pid 8265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8266] mkdir("./bus", 000 [pid 8265] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8266] <... mkdir resumed>) = 0 [pid 8265] <... futex resumed>) = 0 [pid 8266] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8265] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8266] <... futex resumed>) = 0 [pid 8265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8266] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8265] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8265] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8270] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8270] chdir("./bus") = 0 [pid 8270] ioctl(4, LOOP_CLR_FD) = 0 [pid 8270] close(4) = 0 [pid 8270] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 206.926236][ T8269] REISERFS (device loop4): Using r5 hash to sort names [ 206.931371][ T8270] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 206.939200][ T8269] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 206.951355][ T8270] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 206.965846][ T8269] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8264] <... futex resumed>) = ? [pid 8270] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8269] <... mount resumed>) = 0 [pid 8269] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8269] chdir("./bus") = 0 [pid 8269] ioctl(4, LOOP_CLR_FD) = 0 [pid 8269] close(4) = 0 [pid 8269] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8267] <... futex resumed>) = 0 [pid 8269] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8268] <... futex resumed>) = 0 [pid 8268] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8267] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8264] +++ exited with 0 +++ [pid 8263] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8263, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5000] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8268] <... futex resumed>) = 1 [pid 8267] <... futex resumed>) = 1 [pid 8268] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8267] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8270] <... futex resumed>) = 0 [pid 8270] mkdir("./file1", 000) = 0 [pid 8270] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8269] <... futex resumed>) = 0 [pid 8268] <... futex resumed>) = 0 [pid 8268] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8268] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8270] mkdir("./bus", 000 [pid 8269] mkdir("./file1", 000 [pid 8270] <... mkdir resumed>) = 0 [pid 8269] <... mkdir resumed>) = 0 [pid 8270] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8269] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8268] <... futex resumed>) = 0 [pid 8267] <... futex resumed>) = 0 [pid 8270] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8268] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8267] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8268] <... futex resumed>) = 0 [pid 8267] <... futex resumed>) = 0 [pid 8268] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8267] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8269] mkdir("./bus", 000 [pid 8270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8269] <... mkdir resumed>) = 0 [pid 8270] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8269] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8269] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8267] <... futex resumed>) = 0 [pid 8265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8265] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8267] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8265] <... mmap resumed>) = 0x7f6a509b4000 [pid 8265] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8269] <... futex resumed>) = 0 [pid 8267] <... futex resumed>) = 1 [pid 8265] <... mprotect resumed>) = 0 [pid 8269] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8267] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 206.986653][ T8266] overlayfs: upper fs needs to support d_type. [ 206.994804][ T8266] overlayfs: upper fs does not support tmpfile. [ 207.012691][ T8266] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 207.023207][ T8266] overlayfs: failed to resolve './file0': -2 [ 207.024378][ T8270] overlayfs: upper fs needs to support d_type. [pid 8265] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8276], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8276 [pid 8265] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8265] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8276 attached [pid 8276] set_robust_list(0x7f6a509d49e0, 24 [pid 8268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8268] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8268] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8268] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8277], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8277 [pid 8268] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8268] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8276] <... set_robust_list resumed>) = 0 [pid 8276] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8276] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8277 attached [pid 8277] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8277] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8277] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8267] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8267] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8267] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8278], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8278 [pid 8267] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 207.047640][ T8269] overlayfs: upper fs needs to support d_type. [ 207.060138][ T8269] overlayfs: upper fs does not support tmpfile. [ 207.066920][ T8269] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 207.088398][ T8270] overlayfs: upper fs does not support tmpfile. [pid 8267] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8278 attached [pid 8278] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8278] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8278] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8266] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8266] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8266] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./173/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./173/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./173/bus") = 0 [pid 5000] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./173/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./173") = 0 [pid 5000] mkdir("./174", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [ 207.095575][ T8276] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 207.115087][ T8278] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 207.118453][ T8277] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8276] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8279 ./strace-static-x86_64: Process 8279 attached [pid 8279] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8279] chdir("./174") = 0 [pid 8279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8279] setpgid(0, 0) = 0 [pid 8279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8279] write(3, "1000", 4) = 4 [pid 8279] close(3) = 0 [pid 8279] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8279] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8279] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8279] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8280], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8280 [pid 8279] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8279] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8278] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8278] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8267] <... futex resumed>) = 0 [pid 8278] <... futex resumed>) = 1 [pid 8278] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8280 attached [pid 8280] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8280] memfd_create("syzkaller", 0) = 3 [pid 8280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8276] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8265] <... futex resumed>) = 0 [pid 8276] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8265] exit_group(0 [pid 8276] <... futex resumed>) = ? [pid 8266] <... futex resumed>) = ? [pid 8265] <... exit_group resumed>) = ? [pid 8266] +++ exited with 0 +++ [pid 8276] +++ exited with 0 +++ [pid 8265] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8265, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 4997] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8277] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8277] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... openat resumed>) = 3 [pid 8277] <... futex resumed>) = 1 [pid 8268] <... futex resumed>) = 0 [pid 4997] fstat(3, [pid 8277] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8280] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8269] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8269] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8267] exit_group(0 [pid 8269] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8278] <... futex resumed>) = ? [pid 8267] <... exit_group resumed>) = ? [pid 8278] +++ exited with 0 +++ [pid 8269] <... futex resumed>) = ? [pid 8269] +++ exited with 0 +++ [pid 8267] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8267, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5001] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8270] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8270] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8268] exit_group(0) = ? [ 207.149944][ T8270] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 207.158896][ T8269] overlayfs: failed to resolve './file0': -2 [ 207.185768][ T8270] overlayfs: failed to resolve './file0': -2 [pid 8277] <... futex resumed>) = ? [pid 8270] <... futex resumed>) = ? [pid 8277] +++ exited with 0 +++ [pid 8270] +++ exited with 0 +++ [pid 8268] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8268, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 4998] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8280] <... write resumed>) = 4194304 [pid 8280] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8280] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8280] ioctl(4, LOOP_SET_FD, 3 [pid 4997] <... umount2 resumed>) = 0 [pid 8280] <... ioctl resumed>) = 0 [pid 8280] close(3) = 0 [pid 8280] mkdir("./bus", 0777) = 0 [pid 8280] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4997] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./172/bus", [pid 5001] <... umount2 resumed>) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./172/bus", [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./172/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] lstat("./173/bus", [pid 4997] <... openat resumed>) = 4 [pid 5001] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] fstat(4, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] openat(AT_FDCWD, "./172/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] getdents64(4, [pid 5001] fstat(4, [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 5001] getdents64(4, [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] close(4) = 0 [pid 5001] getdents64(4, [pid 4997] rmdir("./172/bus" [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 5001] close(4) = 0 [pid 4997] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] rmdir("./172/bus") = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./172/binderfs", [pid 5001] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] unlink("./172/binderfs" [pid 5001] lstat("./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... unlink resumed>) = 0 [pid 5001] unlink("./172/binderfs" [ 207.249717][ T8280] loop3: detected capacity change from 0 to 8192 [ 207.285083][ T8280] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 4997] getdents64(3, [pid 5001] <... unlink resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] rmdir("./172") = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./172") = 0 [pid 4997] mkdir("./173", 0777) = 0 [pid 5001] mkdir("./173", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 5001] close(3 [pid 4997] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] openat(AT_FDCWD, "./173/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8283 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8282 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./173/bus") = 0 [pid 4998] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./173/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./173") = 0 [pid 4998] mkdir("./174", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 8282 attached ./strace-static-x86_64: Process 8283 attached ) = 3 [pid 8283] set_robust_list(0x5555564f86e0, 24 [pid 8282] set_robust_list(0x5555564f86e0, 24 [pid 8283] <... set_robust_list resumed>) = 0 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 8283] chdir("./173" [pid 8282] <... set_robust_list resumed>) = 0 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8283] <... chdir resumed>) = 0 [pid 8282] chdir("./173" [pid 4998] close(3) = 0 [pid 8283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8282] <... chdir resumed>) = 0 [pid 8283] <... prctl resumed>) = 0 [pid 8282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8283] setpgid(0, 0 [pid 8282] <... prctl resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8283] <... setpgid resumed>) = 0 [pid 8282] setpgid(0, 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8284 ./strace-static-x86_64: Process 8284 attached [pid 8283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8282] <... setpgid resumed>) = 0 [pid 8283] <... openat resumed>) = 3 [pid 8284] set_robust_list(0x5555564f86e0, 24 [pid 8282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8284] <... set_robust_list resumed>) = 0 [pid 8283] write(3, "1000", 4 [pid 8282] <... openat resumed>) = 3 [pid 8284] chdir("./174" [pid 8283] <... write resumed>) = 4 [pid 8282] write(3, "1000", 4 [pid 8284] <... chdir resumed>) = 0 [pid 8283] close(3 [pid 8282] <... write resumed>) = 4 [pid 8284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8283] <... close resumed>) = 0 [pid 8282] close(3 [pid 8284] <... prctl resumed>) = 0 [pid 8283] symlink("/dev/binderfs", "./binderfs" [pid 8282] <... close resumed>) = 0 [pid 8284] setpgid(0, 0 [pid 8283] <... symlink resumed>) = 0 [pid 8282] symlink("/dev/binderfs", "./binderfs" [pid 8284] <... setpgid resumed>) = 0 [pid 8283] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8282] <... symlink resumed>) = 0 [pid 8284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8282] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8283] <... mmap resumed>) = 0x7f6a589d5000 [pid 8282] <... futex resumed>) = 0 [pid 8284] <... openat resumed>) = 3 [pid 8283] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8284] write(3, "1000", 4 [pid 8283] <... mprotect resumed>) = 0 [pid 8284] <... write resumed>) = 4 [pid 8282] <... mmap resumed>) = 0x7f6a589d5000 [pid 8283] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8282] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8283] <... clone resumed>, parent_tid=[8285], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8285 [pid 8282] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8283] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8282] <... clone resumed>, parent_tid=[8286], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8286 [pid 8283] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8282] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8282] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8284] close(3) = 0 [pid 8284] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8284] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8284] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8284] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8287], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8287 [pid 8284] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8284] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8285 attached [pid 8285] set_robust_list(0x7f6a589f59e0, 24) = 0 ./strace-static-x86_64: Process 8287 attached ./strace-static-x86_64: Process 8286 attached [pid 8286] set_robust_list(0x7f6a589f59e0, 24 [pid 8287] set_robust_list(0x7f6a589f59e0, 24 [pid 8285] memfd_create("syzkaller", 0 [pid 8287] <... set_robust_list resumed>) = 0 [pid 8286] <... set_robust_list resumed>) = 0 [pid 8285] <... memfd_create resumed>) = 3 [ 207.310703][ T8280] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 207.336325][ T8280] REISERFS (device loop3): using ordered data mode [ 207.348697][ T8280] reiserfs: using flush barriers [pid 8286] memfd_create("syzkaller", 0) = 3 [pid 8286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8287] memfd_create("syzkaller", 0 [pid 8285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8287] <... memfd_create resumed>) = 3 [pid 8285] <... mmap resumed>) = 0x7f6a505d5000 [pid 8287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8286] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 207.366462][ T8280] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 207.383326][ T8280] REISERFS (device loop3): checking transaction log (loop3) [pid 8287] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 8285] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8287] munmap(0x7f6a505d5000, 4194304 [pid 8280] <... mount resumed>) = 0 [pid 8280] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8280] chdir("./bus") = 0 [pid 8280] ioctl(4, LOOP_CLR_FD) = 0 [pid 8280] close(4 [pid 8287] <... munmap resumed>) = 0 [pid 8287] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 207.413195][ T8280] REISERFS (device loop3): Using r5 hash to sort names [ 207.428192][ T8280] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 207.441319][ T8280] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8287] ioctl(4, LOOP_SET_FD, 3 [pid 8286] <... write resumed>) = 4194304 [pid 8287] <... ioctl resumed>) = 0 [pid 8287] close(3 [pid 8280] <... close resumed>) = 0 [pid 8287] <... close resumed>) = 0 [pid 8280] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8286] munmap(0x7f6a505d5000, 4194304 [pid 8287] mkdir("./bus", 0777 [pid 8280] <... futex resumed>) = 1 [pid 8279] <... futex resumed>) = 0 [pid 8279] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8279] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8287] <... mkdir resumed>) = 0 [pid 8280] mkdir("./file1", 000) = 0 [pid 8280] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8287] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8279] <... futex resumed>) = 0 [pid 8280] <... futex resumed>) = 1 [pid 8279] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8279] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8280] mkdir("./bus", 000) = 0 [pid 8280] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8279] <... futex resumed>) = 0 [pid 8279] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8279] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 207.459774][ T8287] loop1: detected capacity change from 0 to 8192 [pid 8280] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8285] <... write resumed>) = 4194304 [pid 8285] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8285] ioctl(4, LOOP_SET_FD, 3 [pid 8286] <... munmap resumed>) = 0 [pid 8285] <... ioctl resumed>) = 0 [pid 8285] close(3) = 0 [pid 8285] mkdir("./bus", 0777) = 0 [ 207.485988][ T8280] overlayfs: upper fs needs to support d_type. [ 207.492958][ T8287] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 207.495211][ T8285] loop0: detected capacity change from 0 to 8192 [ 207.509048][ T8280] overlayfs: upper fs does not support tmpfile. [ 207.517595][ T8287] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 207.519753][ T8280] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8285] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8286] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8279] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8279] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8286] ioctl(4, LOOP_SET_FD, 3 [pid 8279] <... mprotect resumed>) = 0 [pid 8279] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8290], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8290 [pid 8279] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8279] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8290 attached [pid 8290] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8290] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8290] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8286] <... ioctl resumed>) = 0 [ 207.528827][ T8285] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 207.535994][ T8280] overlayfs: failed to resolve './file0': -2 [ 207.555054][ T8286] loop4: detected capacity change from 0 to 8192 [ 207.565378][ T8290] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 207.571066][ T8287] REISERFS (device loop1): using ordered data mode [pid 8286] close(3 [pid 8290] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8290] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8279] <... futex resumed>) = 0 [pid 8290] <... futex resumed>) = 1 [pid 8290] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8286] <... close resumed>) = 0 [pid 8280] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8286] mkdir("./bus", 0777 [pid 8280] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8279] exit_group(0 [pid 8286] <... mkdir resumed>) = 0 [pid 8280] <... futex resumed>) = ? [pid 8279] <... exit_group resumed>) = ? [pid 8286] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8280] +++ exited with 0 +++ [pid 8290] <... futex resumed>) = ? [pid 8290] +++ exited with 0 +++ [pid 8279] +++ exited with 0 +++ [ 207.580391][ T8285] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 207.587059][ T8287] reiserfs: using flush barriers [ 207.596549][ T8285] REISERFS (device loop0): using ordered data mode [ 207.606463][ T8287] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 207.607223][ T8285] reiserfs: using flush barriers [ 207.623568][ T8287] REISERFS (device loop1): checking transaction log (loop1) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8279, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5000] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 207.631467][ T8286] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 207.635985][ T8285] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 207.648440][ T8286] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 207.648503][ T8286] REISERFS (device loop4): using ordered data mode [ 207.666609][ T8287] REISERFS (device loop1): Using r5 hash to sort names [ 207.674126][ T8286] reiserfs: using flush barriers [ 207.686182][ T8287] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 207.688263][ T8285] REISERFS (device loop0): checking transaction log (loop0) [ 207.705395][ T8286] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 207.712542][ T8287] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5000] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8287] <... mount resumed>) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 8287] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [ 207.738389][ T8285] REISERFS (device loop0): Using r5 hash to sort names [ 207.745394][ T8285] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 207.751061][ T8286] REISERFS (device loop4): checking transaction log (loop4) [ 207.768512][ T8286] REISERFS (device loop4): Using r5 hash to sort names [ 207.774908][ T8285] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5000] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8287] <... openat resumed>) = 3 [pid 8285] <... mount resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8287] chdir("./bus" [pid 5000] lstat("./174/bus", [pid 8287] <... chdir resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8287] ioctl(4, LOOP_CLR_FD [pid 5000] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8287] <... ioctl resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8287] close(4 [pid 5000] openat(AT_FDCWD, "./174/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8287] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 4 [pid 8287] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] fstat(4, [pid 8287] <... futex resumed>) = 1 [pid 8284] <... futex resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8287] mkdir("./file1", 000 [pid 8284] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] getdents64(4, [pid 8287] <... mkdir resumed>) = 0 [pid 8284] <... futex resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8287] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8284] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] getdents64(4, [pid 8287] <... futex resumed>) = 0 [pid 8284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8287] mkdir("./bus", 000 [pid 8284] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(4 [pid 8287] <... mkdir resumed>) = 0 [pid 8284] <... futex resumed>) = 0 [pid 8287] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8284] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... close resumed>) = 0 [pid 8287] <... futex resumed>) = 0 [pid 8284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] rmdir("./174/bus" [pid 8287] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8284] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... rmdir resumed>) = 0 [pid 8284] <... futex resumed>) = 0 [pid 5000] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8284] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./174/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./174") = 0 [pid 5000] mkdir("./175", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8292 ./strace-static-x86_64: Process 8292 attached [pid 8286] <... mount resumed>) = 0 [pid 8285] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8285] chdir("./bus") = 0 [pid 8285] ioctl(4, LOOP_CLR_FD) = 0 [pid 8285] close(4) = 0 [pid 8285] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8285] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8292] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8292] chdir("./175") = 0 [pid 8292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8292] setpgid(0, 0) = 0 [pid 8292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8283] <... futex resumed>) = 0 [pid 8292] write(3, "1000", 4 [pid 8283] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8285] <... futex resumed>) = 0 [pid 8283] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8285] mkdir("./file1", 000) = 0 [pid 8285] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8283] <... futex resumed>) = 0 [pid 8285] mkdir("./bus", 000 [pid 8283] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8292] <... write resumed>) = 4 [pid 8292] close(3) = 0 [pid 8292] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8292] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8292] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8292] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8283] <... futex resumed>) = 0 [pid 8283] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8285] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 8293 attached [pid 8285] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8292] <... clone resumed>, parent_tid=[8293], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8293 [pid 8285] <... futex resumed>) = 1 [pid 8283] <... futex resumed>) = 0 [pid 8293] set_robust_list(0x7f6a589f59e0, 24 [pid 8292] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8285] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8283] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8286] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8292] <... futex resumed>) = 0 [pid 8293] <... set_robust_list resumed>) = 0 [pid 8292] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8286] <... openat resumed>) = 3 [pid 8285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8283] <... futex resumed>) = 0 [pid 8293] memfd_create("syzkaller", 0 [pid 8286] chdir("./bus" [pid 8285] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8283] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8293] <... memfd_create resumed>) = 3 [pid 8286] <... chdir resumed>) = 0 [ 207.781602][ T8286] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 207.798168][ T8286] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 207.808020][ T8287] overlayfs: upper fs needs to support d_type. [ 207.816393][ T8287] overlayfs: upper fs does not support tmpfile. [ 207.826298][ T8287] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8286] ioctl(4, LOOP_CLR_FD) = 0 [pid 8286] close(4) = 0 [pid 8286] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8286] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8284] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8282] <... futex resumed>) = 0 [pid 8284] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8282] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8293] <... mmap resumed>) = 0x7f6a505d5000 [pid 8286] <... futex resumed>) = 0 [pid 8284] <... futex resumed>) = 0 [pid 8282] <... futex resumed>) = 1 [pid 8286] mkdir("./file1", 000 [pid 8284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8282] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8286] <... mkdir resumed>) = 0 [pid 8284] <... mmap resumed>) = 0x7f6a509b4000 [pid 8286] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8284] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8286] <... futex resumed>) = 1 [pid 8282] <... futex resumed>) = 0 [pid 8286] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8284] <... mprotect resumed>) = 0 [pid 8282] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8284] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8282] <... futex resumed>) = 0 [pid 8286] mkdir("./bus", 000 [pid 8282] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8286] <... mkdir resumed>) = 0 [pid 8286] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8286] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8284] <... clone resumed>, parent_tid=[8294], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8294 [pid 8282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8284] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8282] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8286] <... futex resumed>) = 0 [pid 8284] <... futex resumed>) = 0 [pid 8282] <... futex resumed>) = 1 [pid 8286] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8284] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8282] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8294 attached [pid 8294] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8294] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8294] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8283] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8287] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8283] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8287] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8283] <... futex resumed>) = 0 [pid 8287] <... futex resumed>) = 0 [pid 8283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8287] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8283] <... mmap resumed>) = 0x7f6a509b4000 [pid 8283] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8283] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8295], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8295 [pid 8283] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 207.839502][ T8285] overlayfs: upper fs needs to support d_type. [ 207.852567][ T8285] overlayfs: upper fs does not support tmpfile. [ 207.868576][ T8287] overlayfs: failed to resolve './file0': -2 [ 207.870151][ T8286] overlayfs: upper fs needs to support d_type. [ 207.882295][ T8285] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8283] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8293] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8295 attached [pid 8295] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8295] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8295] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8282] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8294] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8294] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 207.897242][ T8294] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 207.898326][ T8285] overlayfs: failed to resolve './file0': -2 [ 207.915735][ T8286] overlayfs: upper fs does not support tmpfile. [ 207.930025][ T8286] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8294] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8284] <... futex resumed>) = 0 [pid 8282] <... mmap resumed>) = 0x7f6a509b4000 [pid 8284] exit_group(0 [pid 8282] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8293] <... write resumed>) = 4194304 [pid 8293] munmap(0x7f6a505d5000, 4194304 [pid 8294] <... futex resumed>) = ? [pid 8287] <... futex resumed>) = ? [pid 8295] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8285] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8284] <... exit_group resumed>) = ? [pid 8282] <... mprotect resumed>) = 0 [pid 8294] +++ exited with 0 +++ [pid 8287] +++ exited with 0 +++ [pid 8285] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8286] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8285] <... futex resumed>) = 0 [pid 8286] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8285] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8284] +++ exited with 0 +++ [pid 8295] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8282] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8284, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8295] <... futex resumed>) = 1 [pid 8286] <... futex resumed>) = 0 [pid 8283] <... futex resumed>) = 0 [pid 8286] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8283] exit_group(0 [pid 8282] <... clone resumed>, parent_tid=[8296], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8296 [pid 8283] <... exit_group resumed>) = ? [pid 8282] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8295] +++ exited with 0 +++ [pid 8285] <... futex resumed>) = ? [pid 8282] <... futex resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8282] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8296 attached [pid 8293] <... munmap resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, [pid 8296] set_robust_list(0x7f6a509d49e0, 24 [pid 8293] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8285] +++ exited with 0 +++ [pid 8283] +++ exited with 0 +++ [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8283, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8296] <... set_robust_list resumed>) = 0 [pid 8296] mkdir(".", 0777 [pid 8293] <... openat resumed>) = 4 [pid 8293] ioctl(4, LOOP_SET_FD, 3 [pid 8296] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4997] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 207.943754][ T8286] overlayfs: failed to resolve './file0': -2 [ 207.950896][ T8295] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 207.976871][ T8293] loop3: detected capacity change from 0 to 8192 [pid 8296] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8293] <... ioctl resumed>) = 0 [pid 8293] close(3) = 0 [pid 8293] mkdir("./bus", 0777) = 0 [pid 8293] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8296] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8296] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8282] <... futex resumed>) = 0 [pid 8282] exit_group(0) = ? [pid 8286] <... futex resumed>) = ? [pid 8286] +++ exited with 0 +++ [pid 8296] +++ exited with 0 +++ [pid 8282] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8282, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5001] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 207.990855][ T8296] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 208.017639][ T8293] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5001] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./174/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./174/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./174/bus") = 0 [pid 4998] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./174/binderfs", [pid 4997] <... umount2 resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./174/binderfs") = 0 [pid 4997] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./174") = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] mkdir("./175", 0777 [pid 4997] lstat("./173/bus", [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./173/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8298 [pid 4997] <... openat resumed>) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, ./strace-static-x86_64: Process 8298 attached 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [ 208.044863][ T8293] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 208.055779][ T8293] REISERFS (device loop3): using ordered data mode [ 208.066992][ T8293] reiserfs: using flush barriers [ 208.079412][ T8293] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8298] set_robust_list(0x5555564f86e0, 24 [pid 5001] <... umount2 resumed>) = 0 [pid 4997] rmdir("./173/bus" [pid 8298] <... set_robust_list resumed>) = 0 [pid 5001] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... rmdir resumed>) = 0 [pid 8298] chdir("./175" [pid 4997] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8298] <... chdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] lstat("./173/binderfs", [pid 8298] <... prctl resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8298] setpgid(0, 0 [pid 4997] unlink("./173/binderfs" [pid 8298] <... setpgid resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 8298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] getdents64(3, [pid 8298] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./173/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./173/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./173/bus") = 0 [pid 5001] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./173/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./173") = 0 [pid 5001] mkdir("./174", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 8298] write(3, "1000", 4 [pid 5001] <... close resumed>) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8299 ./strace-static-x86_64: Process 8299 attached [pid 8299] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8299] chdir("./174") = 0 [pid 8299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8299] setpgid(0, 0) = 0 [pid 8299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8298] <... write resumed>) = 4 [pid 4997] close(3 [pid 8298] close(3) = 0 [pid 8293] <... mount resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 8299] <... openat resumed>) = 3 [pid 8298] symlink("/dev/binderfs", "./binderfs" [pid 8293] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 4997] rmdir("./173" [pid 8299] write(3, "1000", 4 [pid 8298] <... symlink resumed>) = 0 [pid 8293] <... openat resumed>) = 3 [pid 8298] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8293] chdir("./bus" [pid 4997] <... rmdir resumed>) = 0 [pid 8299] <... write resumed>) = 4 [pid 8298] <... futex resumed>) = 0 [pid 4997] mkdir("./174", 0777 [pid 8298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8293] <... chdir resumed>) = 0 [pid 8293] ioctl(4, LOOP_CLR_FD) = 0 [pid 8293] close(4 [pid 4997] <... mkdir resumed>) = 0 [pid 8299] close(3 [pid 8298] <... mmap resumed>) = 0x7f6a589d5000 [pid 8299] <... close resumed>) = 0 [pid 8298] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8299] symlink("/dev/binderfs", "./binderfs" [pid 8298] <... mprotect resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 8299] <... symlink resumed>) = 0 [pid 8298] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] ioctl(3, LOOP_CLR_FD [pid 8299] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8293] <... close resumed>) = 0 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8299] <... futex resumed>) = 0 [pid 8298] <... clone resumed>, parent_tid=[8300], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8300 [pid 4997] close(3 [pid 8299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8298] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8293] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... close resumed>) = 0 ./strace-static-x86_64: Process 8300 attached [pid 8299] <... mmap resumed>) = 0x7f6a589d5000 [pid 8298] <... futex resumed>) = 0 [pid 8293] <... futex resumed>) = 1 [pid 8292] <... futex resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8299] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8298] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8299] <... mprotect resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8301 [pid 8299] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8293] mkdir("./file1", 000 [pid 8292] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8299] <... clone resumed>, parent_tid=[8302], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8302 [pid 8292] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8299] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8293] <... mkdir resumed>) = 0 [pid 8299] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8293] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8292] <... futex resumed>) = 0 [pid 8293] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8292] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8292] <... futex resumed>) = 0 [pid 8293] mkdir("./bus", 000 [pid 8292] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8293] <... mkdir resumed>) = 0 [pid 8300] set_robust_list(0x7f6a589f59e0, 24 [pid 8293] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8300] <... set_robust_list resumed>) = 0 [pid 8293] <... futex resumed>) = 1 [pid 8292] <... futex resumed>) = 0 [pid 8293] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8292] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8300] memfd_create("syzkaller", 0 [pid 8293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8292] <... futex resumed>) = 0 [pid 8300] <... memfd_create resumed>) = 3 [pid 8293] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8292] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 208.112667][ T8293] REISERFS (device loop3): checking transaction log (loop3) [ 208.121376][ T8293] REISERFS (device loop3): Using r5 hash to sort names [ 208.128502][ T8293] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 208.142449][ T8293] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 8302 attached ./strace-static-x86_64: Process 8301 attached [pid 8302] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8301] set_robust_list(0x5555564f86e0, 24 [pid 8302] memfd_create("syzkaller", 0 [pid 8301] <... set_robust_list resumed>) = 0 [pid 8302] <... memfd_create resumed>) = 3 [pid 8302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8301] chdir("./174" [pid 8302] <... mmap resumed>) = 0x7f6a505d5000 [pid 8301] <... chdir resumed>) = 0 [pid 8301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8300] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8301] <... prctl resumed>) = 0 [pid 8301] setpgid(0, 0) = 0 [pid 8301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8301] write(3, "1000", 4) = 4 [pid 8301] close(3) = 0 [pid 8301] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8301] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8301] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8301] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8303], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8303 [pid 8301] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8301] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8303 attached [pid 8303] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8302] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8303] memfd_create("syzkaller", 0) = 3 [pid 8303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8292] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8303] <... mmap resumed>) = 0x7f6a505d5000 [pid 8292] <... futex resumed>) = 0 [pid 8292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8292] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8292] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8304], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8304 [pid 8292] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 208.180340][ T8293] overlayfs: upper fs needs to support d_type. [ 208.188537][ T8293] overlayfs: upper fs does not support tmpfile. [ 208.195170][ T8293] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8292] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8304 attached [pid 8304] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8304] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8304] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 8304] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8292] <... futex resumed>) = 0 [pid 8304] <... futex resumed>) = 1 [pid 8304] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8303] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8300] <... write resumed>) = 4194304 [pid 8300] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8300] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8300] ioctl(4, LOOP_SET_FD, 3 [pid 8302] <... write resumed>) = 4194304 [ 208.235544][ T8293] overlayfs: failed to resolve './file0': -2 [ 208.251393][ T8304] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8302] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8302] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8293] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8293] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8293] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8300] <... ioctl resumed>) = 0 [pid 8300] close(3) = 0 [pid 8300] mkdir("./bus", 0777 [pid 8292] exit_group(0 [pid 8304] <... futex resumed>) = ? [pid 8293] <... futex resumed>) = ? [pid 8292] <... exit_group resumed>) = ? [pid 8302] ioctl(4, LOOP_SET_FD, 3 [pid 8304] +++ exited with 0 +++ [pid 8293] +++ exited with 0 +++ [pid 8292] +++ exited with 0 +++ [pid 8300] <... mkdir resumed>) = 0 [pid 8300] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8292, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8302] <... ioctl resumed>) = 0 [pid 8302] close(3 [pid 5000] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8303] <... write resumed>) = 4194304 [pid 8302] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8302] mkdir("./bus", 0777 [pid 5000] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8302] <... mkdir resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 8302] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8303] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8303] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8303] close(3) = 0 [ 208.290407][ T8300] loop1: detected capacity change from 0 to 8192 [ 208.299990][ T8302] loop4: detected capacity change from 0 to 8192 [ 208.308333][ T8300] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 208.321851][ T8300] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 208.327671][ T8303] loop0: detected capacity change from 0 to 8192 [pid 8303] mkdir("./bus", 0777) = 0 [ 208.338091][ T8302] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 208.344284][ T8300] REISERFS (device loop1): using ordered data mode [ 208.358549][ T8300] reiserfs: using flush barriers [ 208.364906][ T8302] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 208.374827][ T8302] REISERFS (device loop4): using ordered data mode [pid 8303] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./175/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 208.381740][ T8300] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 208.394682][ T8302] reiserfs: using flush barriers [ 208.399088][ T8303] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 208.403808][ T8302] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 208.417314][ T8300] REISERFS (device loop1): checking transaction log (loop1) [pid 5000] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./175/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./175/bus") = 0 [pid 5000] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./175/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./175") = 0 [pid 5000] mkdir("./176", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8308 ./strace-static-x86_64: Process 8308 attached [pid 8308] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8308] chdir("./176") = 0 [pid 8308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 208.433144][ T8303] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 208.449499][ T8303] REISERFS (device loop0): using ordered data mode [ 208.456007][ T8303] reiserfs: using flush barriers [ 208.464477][ T8303] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 208.467888][ T8302] REISERFS (device loop4): checking transaction log (loop4) [pid 8308] setpgid(0, 0) = 0 [pid 8308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8308] write(3, "1000", 4) = 4 [pid 8308] close(3) = 0 [pid 8308] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8308] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8308] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8308] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8309], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8309 [pid 8308] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8308] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8309 attached [ 208.488885][ T8303] REISERFS (device loop0): checking transaction log (loop0) [ 208.496954][ T8300] REISERFS (device loop1): Using r5 hash to sort names [ 208.497114][ T8303] REISERFS (device loop0): Using r5 hash to sort names [ 208.510912][ T8303] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 208.511548][ T8302] REISERFS (device loop4): Using r5 hash to sort names [ 208.523639][ T8303] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8309] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8303] <... mount resumed>) = 0 [pid 8309] memfd_create("syzkaller", 0 [pid 8303] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8300] <... mount resumed>) = 0 [pid 8300] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8300] chdir("./bus") = 0 [pid 8300] ioctl(4, LOOP_CLR_FD) = 0 [pid 8300] close(4 [pid 8309] <... memfd_create resumed>) = 3 [pid 8303] <... openat resumed>) = 3 [pid 8302] <... mount resumed>) = 0 [pid 8300] <... close resumed>) = 0 [pid 8309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8303] chdir("./bus" [pid 8309] <... mmap resumed>) = 0x7f6a505d5000 [pid 8303] <... chdir resumed>) = 0 [pid 8303] ioctl(4, LOOP_CLR_FD) = 0 [pid 8303] close(4) = 0 [pid 8303] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8301] <... futex resumed>) = 0 [pid 8303] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8301] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8301] <... futex resumed>) = 0 [pid 8303] mkdir("./file1", 000 [pid 8301] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8303] <... mkdir resumed>) = 0 [pid 8303] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8301] <... futex resumed>) = 0 [pid 8303] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8301] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8301] <... futex resumed>) = 0 [pid 8303] mkdir("./bus", 000 [pid 8301] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8303] <... mkdir resumed>) = 0 [pid 8303] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8301] <... futex resumed>) = 0 [pid 8303] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8301] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8301] <... futex resumed>) = 0 [pid 8303] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 208.532065][ T8300] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 208.539971][ T8302] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 208.554433][ T8300] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 208.565636][ T8302] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8301] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8302] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8300] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] <... futex resumed>) = 0 [pid 8298] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8298] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8300] <... futex resumed>) = 1 [pid 8300] mkdir("./file1", 000) = 0 [pid 8302] chdir("./bus") = 0 [pid 8302] ioctl(4, LOOP_CLR_FD) = 0 [pid 8302] close(4) = 0 [pid 8302] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8300] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8299] <... futex resumed>) = 0 [pid 8302] mkdir("./file1", 000 [pid 8300] <... futex resumed>) = 1 [pid 8299] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] <... futex resumed>) = 0 [pid 8302] <... mkdir resumed>) = 0 [pid 8300] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8299] <... futex resumed>) = 0 [pid 8298] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8299] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8298] <... futex resumed>) = 0 [pid 8302] <... futex resumed>) = 0 [pid 8300] mkdir("./bus", 000 [pid 8299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8298] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8302] mkdir("./bus", 000 [pid 8300] <... mkdir resumed>) = 0 [pid 8299] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] <... mkdir resumed>) = 0 [pid 8300] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8299] <... futex resumed>) = 0 [pid 8302] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8300] <... futex resumed>) = 1 [pid 8299] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8298] <... futex resumed>) = 0 [pid 8302] <... futex resumed>) = 0 [pid 8300] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8298] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8299] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] <... futex resumed>) = 0 [pid 8309] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8300] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8299] <... futex resumed>) = 0 [pid 8298] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8299] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8301] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8301] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8301] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8310], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8310 [pid 8301] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 208.595373][ T8303] overlayfs: upper fs needs to support d_type. [ 208.607574][ T8303] overlayfs: upper fs does not support tmpfile. [ 208.614259][ T8303] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 208.625773][ T8302] overlayfs: upper fs needs to support d_type. [ 208.628240][ T8303] overlayfs: failed to resolve './file0': -2 [ 208.633754][ T8300] overlayfs: upper fs needs to support d_type. [pid 8301] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8310 attached [pid 8310] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8310] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8310] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8303] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8303] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8303] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8309] <... write resumed>) = 4194304 [pid 8299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8298] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8309] munmap(0x7f6a505d5000, 4194304 [pid 8299] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8299] <... futex resumed>) = 0 [pid 8298] <... futex resumed>) = 0 [pid 8309] <... munmap resumed>) = 0 [pid 8299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8299] <... mmap resumed>) = 0x7f6a509b4000 [pid 8298] <... mmap resumed>) = 0x7f6a509b4000 [pid 8309] <... openat resumed>) = 4 [pid 8299] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8298] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8309] ioctl(4, LOOP_SET_FD, 3 [pid 8299] <... mprotect resumed>) = 0 [pid 8298] <... mprotect resumed>) = 0 [ 208.651103][ T8300] overlayfs: upper fs does not support tmpfile. [ 208.669147][ T8302] overlayfs: upper fs does not support tmpfile. [ 208.675909][ T8302] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 208.684911][ T8310] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8299] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8298] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8299] <... clone resumed>, parent_tid=[8311], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8311 [pid 8298] <... clone resumed>, parent_tid=[8312], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8312 [pid 8299] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8299] <... futex resumed>) = 0 [pid 8298] <... futex resumed>) = 0 [pid 8299] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8298] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8312 attached [pid 8312] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8309] <... ioctl resumed>) = 0 [pid 8309] close(3 [pid 8312] mkdir(".", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 8311 attached [pid 8309] <... close resumed>) = 0 [pid 8311] set_robust_list(0x7f6a509d49e0, 24 [pid 8309] mkdir("./bus", 0777 [pid 8311] <... set_robust_list resumed>) = 0 [pid 8312] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8309] <... mkdir resumed>) = 0 [pid 8311] mkdir(".", 0777 [pid 8309] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8311] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8311] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8310] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8312] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8312] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] <... futex resumed>) = 0 [pid 8312] <... futex resumed>) = 1 [pid 8312] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8310] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8301] <... futex resumed>) = 0 [pid 8301] exit_group(0) = ? [pid 8310] <... futex resumed>) = ? [pid 8310] +++ exited with 0 +++ [ 208.705352][ T8309] loop3: detected capacity change from 0 to 8192 [ 208.710002][ T8300] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 208.726099][ T8302] overlayfs: failed to resolve './file0': -2 [ 208.727705][ T8312] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8303] <... futex resumed>) = ? [pid 8311] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8303] +++ exited with 0 +++ [pid 8301] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8301, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 4997] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8311] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8311] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8299] <... futex resumed>) = 0 [pid 8300] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8302] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8300] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] exit_group(0 [pid 8312] <... futex resumed>) = ? [pid 8300] <... futex resumed>) = ? [pid 8298] <... exit_group resumed>) = ? [pid 8312] +++ exited with 0 +++ [pid 8302] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8300] +++ exited with 0 +++ [pid 8298] +++ exited with 0 +++ [pid 8302] <... futex resumed>) = 0 [pid 8299] exit_group(0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8298, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 8299] <... exit_group resumed>) = ? [pid 8302] +++ exited with 0 +++ [pid 8311] <... futex resumed>) = ? [pid 4998] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8311] +++ exited with 0 +++ [pid 8299] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8299, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 208.737821][ T8309] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 208.754175][ T8300] overlayfs: failed to resolve './file0': -2 [ 208.760480][ T8311] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 208.767104][ T8309] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./174/bus", [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./175/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./175/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./175/bus") = 0 [pid 4998] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./175/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./175") = 0 [pid 4998] mkdir("./176", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8314 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./174/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8314 attached [pid 8314] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8314] chdir("./176") = 0 [pid 8314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8314] setpgid(0, 0) = 0 [pid 8314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8314] write(3, "1000", 4) = 4 [pid 8314] close(3) = 0 [pid 8314] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8314] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8314] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8314] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] <... openat resumed>) = 4 [pid 8314] <... clone resumed>, parent_tid=[8315], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8315 [pid 8314] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8314] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8315 attached [pid 8315] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 8315] memfd_create("syzkaller", 0) = 3 [pid 8315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./174/bus") = 0 [ 208.807452][ T8309] REISERFS (device loop3): using ordered data mode [ 208.814031][ T8309] reiserfs: using flush barriers [ 208.823495][ T8309] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 4997] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./174/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./174") = 0 [pid 4997] mkdir("./175", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 8315] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8316 ./strace-static-x86_64: Process 8316 attached [pid 8316] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8316] chdir("./175") = 0 [pid 8316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8316] setpgid(0, 0) = 0 [pid 8316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8316] write(3, "1000", 4) = 4 [pid 8316] close(3) = 0 [pid 8316] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8316] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8316] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8316] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8317], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8317 [pid 8316] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8317 attached [pid 8317] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8317] memfd_create("syzkaller", 0) = 3 [pid 8317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./174/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./174/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./174/bus") = 0 [pid 5001] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./174/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./174") = 0 [pid 5001] mkdir("./175", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 8317] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] <... close resumed>) = 0 [pid 8315] <... write resumed>) = 4194304 [pid 8315] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8315] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 208.951610][ T8309] REISERFS (device loop3): checking transaction log (loop3) [ 208.962782][ T8309] REISERFS (device loop3): Using r5 hash to sort names [ 208.985870][ T8309] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8315] ioctl(4, LOOP_SET_FD, 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8315] <... ioctl resumed>) = 0 [pid 8315] close(3) = 0 [pid 8315] mkdir("./bus", 0777 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8318 [pid 8315] <... mkdir resumed>) = 0 [pid 8315] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8318 attached [pid 8318] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8318] chdir("./175") = 0 [pid 8318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8318] setpgid(0, 0) = 0 [pid 8318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8318] write(3, "1000", 4) = 4 [pid 8318] close(3) = 0 [pid 8318] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8318] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8318] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8318] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8320], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8320 [pid 8318] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8318] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8320 attached [pid 8320] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8320] memfd_create("syzkaller", 0) = 3 [pid 8320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 208.991825][ T8315] loop1: detected capacity change from 0 to 8192 [ 209.018154][ T8315] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8317] <... write resumed>) = 4194304 [pid 8320] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8317] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8317] ioctl(4, LOOP_SET_FD, 3 [pid 8309] <... mount resumed>) = 0 [pid 8309] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8309] chdir("./bus") = 0 [pid 8309] ioctl(4, LOOP_CLR_FD) = 0 [pid 8309] close(4) = 0 [pid 8309] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8309] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8320] <... write resumed>) = 4194304 [pid 8320] munmap(0x7f6a505d5000, 4194304 [pid 8308] <... futex resumed>) = 0 [pid 8308] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... futex resumed>) = 0 [pid 8308] <... futex resumed>) = 1 [pid 8308] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8309] mkdir("./file1", 000) = 0 [pid 8309] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8308] <... futex resumed>) = 0 [pid 8309] mkdir("./bus", 000 [pid 8308] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... mkdir resumed>) = 0 [pid 8308] <... futex resumed>) = 0 [pid 8309] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8309] <... futex resumed>) = 0 [pid 8308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8309] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8308] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 209.044730][ T8315] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 209.049042][ T8309] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 209.061868][ T8315] REISERFS (device loop1): using ordered data mode [ 209.070139][ T8315] reiserfs: using flush barriers [ 209.078481][ T8317] loop0: detected capacity change from 0 to 8192 [ 209.086422][ T8315] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8317] <... ioctl resumed>) = 0 [pid 8308] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8320] <... munmap resumed>) = 0 [pid 8320] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8320] ioctl(4, LOOP_SET_FD, 3 [pid 8317] close(3 [pid 8320] <... ioctl resumed>) = 0 [pid 8320] close(3) = 0 [pid 8320] mkdir("./bus", 0777) = 0 [ 209.109869][ T8309] overlayfs: upper fs needs to support d_type. [ 209.116142][ T8309] overlayfs: upper fs does not support tmpfile. [ 209.119728][ T8315] REISERFS (device loop1): checking transaction log (loop1) [ 209.125597][ T8320] loop4: detected capacity change from 0 to 8192 [ 209.131011][ T8315] REISERFS (device loop1): Using r5 hash to sort names [ 209.140306][ T8309] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8320] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8317] <... close resumed>) = 0 [pid 8317] mkdir("./bus", 0777) = 0 [pid 8317] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8315] <... mount resumed>) = 0 [pid 8308] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8315] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8308] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8315] <... openat resumed>) = 3 [pid 8308] <... futex resumed>) = 0 [pid 8315] chdir("./bus" [pid 8308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8315] <... chdir resumed>) = 0 [pid 8308] <... mmap resumed>) = 0x7f6a509b4000 [pid 8315] ioctl(4, LOOP_CLR_FD [pid 8308] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8315] <... ioctl resumed>) = 0 [pid 8308] <... mprotect resumed>) = 0 [pid 8315] close(4 [pid 8308] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8315] <... close resumed>) = 0 [pid 8315] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] <... clone resumed>, parent_tid=[8323], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8323 [pid 8315] <... futex resumed>) = 1 [pid 8308] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8315] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8308] <... futex resumed>) = 0 [pid 8308] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8314] <... futex resumed>) = 0 [ 209.143987][ T8315] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 209.152856][ T8309] overlayfs: failed to resolve './file0': -2 [ 209.163629][ T8315] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 209.172532][ T8320] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 209.197376][ T8317] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 ./strace-static-x86_64: Process 8323 attached [pid 8314] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8323] set_robust_list(0x7f6a509d49e0, 24 [pid 8314] <... futex resumed>) = 1 [pid 8315] <... futex resumed>) = 0 [pid 8315] mkdir("./file1", 000) = 0 [pid 8315] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8315] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8323] <... set_robust_list resumed>) = 0 [pid 8314] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8309] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8323] mkdir(".", 0777 [pid 8314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 209.200212][ T8320] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 209.213276][ T8317] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 209.220400][ T8320] REISERFS (device loop4): using ordered data mode [ 209.231263][ T8317] REISERFS (device loop0): using ordered data mode [ 209.236282][ T8320] reiserfs: using flush barriers [ 209.243206][ T8317] reiserfs: using flush barriers [pid 8309] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8323] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8314] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... futex resumed>) = 0 [pid 8323] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8314] <... futex resumed>) = 1 [pid 8309] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8315] <... futex resumed>) = 0 [pid 8315] mkdir("./bus", 000) = 0 [pid 8315] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8315] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8314] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [ 209.248731][ T8320] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 209.266304][ T8317] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 209.269131][ T8320] REISERFS (device loop4): checking transaction log (loop4) [ 209.285748][ T8317] REISERFS (device loop0): checking transaction log (loop0) [ 209.293028][ T8320] REISERFS (device loop4): Using r5 hash to sort names [pid 8314] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8315] <... futex resumed>) = 0 [pid 8314] <... futex resumed>) = 1 [pid 8315] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 209.308222][ T8320] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 209.309765][ T8323] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 209.324053][ T8320] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 209.345428][ T8317] REISERFS (device loop0): Using r5 hash to sort names [ 209.345617][ T8315] overlayfs: upper fs needs to support d_type. [pid 8314] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8323] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8320] <... mount resumed>) = 0 [pid 8320] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8320] chdir("./bus") = 0 [pid 8320] ioctl(4, LOOP_CLR_FD) = 0 [pid 8320] close(4 [pid 8323] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] <... close resumed>) = 0 [pid 8323] <... futex resumed>) = 1 [pid 8308] <... futex resumed>) = 0 [pid 8308] exit_group(0) = ? [pid 8317] <... mount resumed>) = 0 [pid 8309] <... futex resumed>) = ? [pid 8323] +++ exited with 0 +++ [pid 8309] +++ exited with 0 +++ [pid 8308] +++ exited with 0 +++ [pid 8317] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8308, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5000] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8317] chdir("./bus" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8317] <... chdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8317] ioctl(4, LOOP_CLR_FD [pid 5000] <... openat resumed>) = 3 [pid 8317] <... ioctl resumed>) = 0 [pid 5000] fstat(3, [pid 8320] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8320] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8317] close(4 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8318] <... futex resumed>) = 0 [pid 8314] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8314] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8318] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8317] <... close resumed>) = 0 [pid 8318] <... futex resumed>) = 1 [pid 8314] <... futex resumed>) = 0 [pid 8318] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8317] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] getdents64(3, [pid 8317] <... futex resumed>) = 1 [pid 8316] <... futex resumed>) = 0 [pid 8314] <... mmap resumed>) = 0x7f6a509b4000 [pid 8316] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8317] mkdir("./file1", 000 [pid 8316] <... futex resumed>) = 0 [pid 8314] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8316] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8320] <... futex resumed>) = 0 [pid 8320] mkdir("./file1", 000 [pid 8317] <... mkdir resumed>) = 0 [pid 8320] <... mkdir resumed>) = 0 [pid 8314] <... mprotect resumed>) = 0 [ 209.353043][ T8317] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 209.359724][ T8315] overlayfs: upper fs does not support tmpfile. [ 209.371535][ T8317] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 209.394966][ T8315] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8320] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8317] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8320] <... futex resumed>) = 1 [pid 8320] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8318] <... futex resumed>) = 0 [pid 8317] <... futex resumed>) = 1 [pid 8316] <... futex resumed>) = 0 [pid 8316] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8318] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8317] mkdir("./bus", 000 [pid 8314] <... clone resumed>, parent_tid=[8324], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8324 [pid 8318] <... futex resumed>) = 1 [pid 8320] <... futex resumed>) = 0 [pid 8320] mkdir("./bus", 000 [pid 8317] <... mkdir resumed>) = 0 [pid 8314] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] <... mkdir resumed>) = 0 [pid 8318] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8317] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] <... futex resumed>) = 0 [pid 8320] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8317] <... futex resumed>) = 1 [pid 8316] <... futex resumed>) = 0 [pid 8314] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8320] <... futex resumed>) = 1 [pid 8318] <... futex resumed>) = 0 [pid 8317] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8316] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8316] <... futex resumed>) = 0 [pid 8316] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8318] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8324 attached [pid 8324] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8324] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8324] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8320] <... futex resumed>) = 0 [pid 8318] <... futex resumed>) = 1 [pid 8320] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 209.406992][ T8315] overlayfs: failed to resolve './file0': -2 [ 209.423341][ T8317] overlayfs: upper fs needs to support d_type. [ 209.431228][ T8320] overlayfs: upper fs needs to support d_type. [ 209.431786][ T8317] overlayfs: upper fs does not support tmpfile. [ 209.442233][ T8324] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8318] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8315] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8316] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8316] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8316] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8325], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8325 [pid 8316] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8315] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8318] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8317] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8315] <... futex resumed>) = 0 [pid 8317] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8317] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8318] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8315] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8318] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8325 attached [pid 8318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8325] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8325] mkdir(".", 0777 [pid 8318] <... mmap resumed>) = 0x7f6a509b4000 [pid 8325] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8318] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8318] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8326], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8326 ./strace-static-x86_64: Process 8326 attached [pid 8325] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8324] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8318] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8326] set_robust_list(0x7f6a509d49e0, 24 [pid 8324] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8318] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 8326] <... set_robust_list resumed>) = 0 [pid 8324] <... futex resumed>) = 1 [pid 8320] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8318] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8314] <... futex resumed>) = 0 [pid 5000] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 209.445661][ T8317] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 209.467569][ T8317] overlayfs: failed to resolve './file0': -2 [ 209.484637][ T8320] overlayfs: upper fs does not support tmpfile. [ 209.492013][ T8320] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 209.500656][ T8320] overlayfs: failed to resolve './file0': -2 [pid 8326] mkdir(".", 0777 [pid 8324] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8320] <... futex resumed>) = 0 [pid 8314] exit_group(0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8326] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8324] <... futex resumed>) = ? [pid 8320] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8315] <... futex resumed>) = ? [pid 8314] <... exit_group resumed>) = ? [pid 5000] lstat("./176/bus", [pid 8326] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8324] +++ exited with 0 +++ [pid 8315] +++ exited with 0 +++ [pid 8314] +++ exited with 0 +++ [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./176/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./176/bus") = 0 [pid 5000] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./176/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./176") = 0 [pid 5000] mkdir("./177", 0777) = 0 [pid 8325] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8314, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 8325] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 8325] <... futex resumed>) = 1 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 8325] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8316] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8327 [pid 8316] exit_group(0./strace-static-x86_64: Process 8327 attached [pid 8327] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8327] chdir("./177") = 0 [pid 8327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8327] setpgid(0, 0) = 0 [pid 8327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8327] write(3, "1000", 4) = 4 [pid 8327] close(3) = 0 [pid 8327] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8327] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8317] <... futex resumed>) = ? [pid 8316] <... exit_group resumed>) = ? [pid 8325] <... futex resumed>) = ? [pid 8317] +++ exited with 0 +++ [pid 8325] +++ exited with 0 +++ [pid 8327] <... mmap resumed>) = 0x7f6a589d5000 [pid 8327] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8316] +++ exited with 0 +++ [pid 4998] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8316, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8326] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8326] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8318] <... futex resumed>) = 0 [pid 8318] exit_group(0 [pid 8320] <... futex resumed>) = ? [pid 8318] <... exit_group resumed>) = ? [pid 8320] +++ exited with 0 +++ [pid 4997] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, [pid 8326] <... futex resumed>) = ? [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8326] +++ exited with 0 +++ [pid 8318] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8318, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 8327] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8327] <... clone resumed>, parent_tid=[8328], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8328 [pid 8327] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8327] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8328 attached [pid 8328] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8328] memfd_create("syzkaller", 0) = 3 [pid 8328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 209.516987][ T8325] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 209.541974][ T8326] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... umount2 resumed>) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 4997] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [pid 5001] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] lstat("./175/bus", [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./175/bus", [pid 4998] lstat("./176/bus", [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./175/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] openat(AT_FDCWD, "./175/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] openat(AT_FDCWD, "./176/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... openat resumed>) = 4 [pid 5001] <... openat resumed>) = 4 [pid 4997] fstat(4, [pid 5001] fstat(4, [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... openat resumed>) = 4 [pid 4997] getdents64(4, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] fstat(4, [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] getdents64(4, [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] close(4 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] <... close resumed>) = 0 [pid 5001] close(4 [pid 4998] getdents64(4, [pid 4997] rmdir("./175/bus" [pid 5001] <... close resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] rmdir("./175/bus" [pid 4998] close(4 [pid 4997] <... rmdir resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4997] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] rmdir("./176/bus" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... rmdir resumed>) = 0 [pid 4997] lstat("./175/binderfs", [pid 5001] lstat("./175/binderfs", [pid 4998] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] unlink("./175/binderfs" [pid 4997] unlink("./175/binderfs" [pid 5001] <... unlink resumed>) = 0 [pid 4998] lstat("./176/binderfs", [pid 5001] getdents64(3, [pid 4997] <... unlink resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] getdents64(3, [pid 5001] close(3 [pid 4998] unlink("./176/binderfs" [pid 5001] <... close resumed>) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 5001] rmdir("./175" [pid 4997] close(3 [pid 4998] getdents64(3, [pid 4997] <... close resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] rmdir("./175" [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] mkdir("./176", 0777 [pid 4997] <... rmdir resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4998] close(3 [pid 4997] mkdir("./176", 0777 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] <... close resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4998] rmdir("./176" [pid 4997] <... mkdir resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] <... rmdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5001] close(3 [pid 4998] mkdir("./177", 0777 [pid 5001] <... close resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... mkdir resumed>) = 0 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8329 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] <... openat resumed>) = 3 [pid 4997] close(3 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 4997] <... close resumed>) = 0 ./strace-static-x86_64: Process 8329 attached [pid 8328] <... write resumed>) = 4194304 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8329] set_robust_list(0x5555564f86e0, 24 [pid 8328] munmap(0x7f6a505d5000, 4194304 [pid 4998] close(3 [pid 8329] <... set_robust_list resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 8329] chdir("./176") = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8330 ./strace-static-x86_64: Process 8330 attached [pid 8329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8331 [pid 8329] setpgid(0, 0) = 0 [pid 8328] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 8331 attached [pid 8329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8328] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8331] set_robust_list(0x5555564f86e0, 24 [pid 8329] <... openat resumed>) = 3 [pid 8328] <... openat resumed>) = 4 [pid 8331] <... set_robust_list resumed>) = 0 [pid 8329] write(3, "1000", 4 [pid 8328] ioctl(4, LOOP_SET_FD, 3 [pid 8329] <... write resumed>) = 4 [pid 8330] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8330] chdir("./176") = 0 [pid 8330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8330] setpgid(0, 0) = 0 [pid 8330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8330] write(3, "1000", 4) = 4 [pid 8330] close(3) = 0 [pid 8329] close(3 [pid 8331] chdir("./177" [pid 8330] symlink("/dev/binderfs", "./binderfs" [pid 8329] <... close resumed>) = 0 [pid 8331] <... chdir resumed>) = 0 [pid 8329] symlink("/dev/binderfs", "./binderfs" [pid 8331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8330] <... symlink resumed>) = 0 [pid 8329] <... symlink resumed>) = 0 [pid 8331] setpgid(0, 0 [pid 8330] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8329] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8331] <... setpgid resumed>) = 0 [pid 8330] <... futex resumed>) = 0 [pid 8329] <... futex resumed>) = 0 [pid 8330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8330] <... mmap resumed>) = 0x7f6a589d5000 [pid 8329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8330] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8329] <... mmap resumed>) = 0x7f6a589d5000 [pid 8331] <... openat resumed>) = 3 [pid 8330] <... mprotect resumed>) = 0 [pid 8329] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8331] write(3, "1000", 4 [pid 8330] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8329] <... mprotect resumed>) = 0 [pid 8331] <... write resumed>) = 4 [pid 8329] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8331] close(3 [pid 8330] <... clone resumed>, parent_tid=[8332], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8332 [pid 8331] <... close resumed>) = 0 [pid 8330] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8329] <... clone resumed>, parent_tid=[8333], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8333 [pid 8331] symlink("/dev/binderfs", "./binderfs" [pid 8328] <... ioctl resumed>) = 0 [pid 8329] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8330] <... futex resumed>) = 0 [pid 8331] <... symlink resumed>) = 0 [pid 8330] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8329] <... futex resumed>) = 0 [pid 8328] close(3 [pid 8331] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8329] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8328] <... close resumed>) = 0 [pid 8331] <... futex resumed>) = 0 [pid 8328] mkdir("./bus", 0777 [pid 8331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8333 attached ) = 0x7f6a589d5000 [pid 8331] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8333] set_robust_list(0x7f6a589f59e0, 24 [pid 8331] <... mprotect resumed>) = 0 [pid 8331] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8333] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 8334 attached ./strace-static-x86_64: Process 8332 attached [pid 8333] memfd_create("syzkaller", 0 [pid 8331] <... clone resumed>, parent_tid=[8334], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8334 [pid 8328] <... mkdir resumed>) = 0 [pid 8331] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8328] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8334] set_robust_list(0x7f6a589f59e0, 24 [pid 8332] set_robust_list(0x7f6a589f59e0, 24 [pid 8331] <... futex resumed>) = 0 [pid 8334] <... set_robust_list resumed>) = 0 [pid 8332] <... set_robust_list resumed>) = 0 [pid 8331] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8334] memfd_create("syzkaller", 0 [pid 8332] memfd_create("syzkaller", 0 [pid 8334] <... memfd_create resumed>) = 3 [pid 8332] <... memfd_create resumed>) = 3 [pid 8334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8334] <... mmap resumed>) = 0x7f6a505d5000 [pid 8333] <... memfd_create resumed>) = 3 [pid 8332] <... mmap resumed>) = 0x7f6a505d5000 [pid 8333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 209.683312][ T8328] loop3: detected capacity change from 0 to 8192 [ 209.707624][ T8328] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8332] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8332] <... write resumed>) = 4194304 [pid 8332] munmap(0x7f6a505d5000, 4194304) = 0 [ 209.744678][ T8328] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 209.754789][ T8328] REISERFS (device loop3): using ordered data mode [ 209.762113][ T8328] reiserfs: using flush barriers [pid 8332] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8332] ioctl(4, LOOP_SET_FD, 3 [pid 8333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8332] <... ioctl resumed>) = 0 [pid 8332] close(3) = 0 [pid 8332] mkdir("./bus", 0777) = 0 [pid 8332] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8333] <... write resumed>) = 4194304 [pid 8333] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8333] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 209.785360][ T8328] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 209.787075][ T8332] loop0: detected capacity change from 0 to 8192 [ 209.811178][ T8328] REISERFS (device loop3): checking transaction log (loop3) [ 209.819266][ T8332] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8333] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8333] close(3) = 0 [pid 8333] mkdir("./bus", 0777) = 0 [pid 8333] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8334] <... write resumed>) = 4194304 [ 209.833734][ T8328] REISERFS (device loop3): Using r5 hash to sort names [ 209.833976][ T8333] loop4: detected capacity change from 0 to 8192 [ 209.850683][ T8328] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 209.851324][ T8332] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 209.873394][ T8328] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8334] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8328] <... mount resumed>) = 0 [pid 8334] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8334] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8334] close(3) = 0 [pid 8334] mkdir("./bus", 0777) = 0 [pid 8334] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 209.874013][ T8332] REISERFS (device loop0): using ordered data mode [ 209.885907][ T8334] loop1: detected capacity change from 0 to 8192 [ 209.889053][ T8333] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 209.897594][ T8332] reiserfs: using flush barriers [ 209.908831][ T8333] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 209.914116][ T8334] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8328] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 209.924018][ T8333] REISERFS (device loop4): using ordered data mode [ 209.936073][ T8332] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 209.942529][ T8333] reiserfs: using flush barriers [ 209.963791][ T8334] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 209.964901][ T8332] REISERFS (device loop0): checking transaction log (loop0) [pid 8328] chdir("./bus") = 0 [pid 8328] ioctl(4, LOOP_CLR_FD) = 0 [pid 8328] close(4) = 0 [pid 8328] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8327] <... futex resumed>) = 0 [pid 8328] mkdir("./file1", 000 [pid 8327] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8328] <... mkdir resumed>) = 0 [pid 8327] <... futex resumed>) = 0 [pid 8328] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8327] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8328] <... futex resumed>) = 0 [pid 8327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8328] mkdir("./bus", 000 [pid 8327] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8328] <... mkdir resumed>) = 0 [pid 8327] <... futex resumed>) = 0 [pid 8328] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8327] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8328] <... futex resumed>) = 0 [pid 8327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 209.973445][ T8333] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 209.980518][ T8334] REISERFS (device loop1): using ordered data mode [ 210.003082][ T8334] reiserfs: using flush barriers [ 210.009229][ T8333] REISERFS (device loop4): checking transaction log (loop4) [ 210.010155][ T8328] overlayfs: upper fs needs to support d_type. [pid 8328] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8327] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 210.020439][ T8334] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 210.024004][ T8333] REISERFS (device loop4): Using r5 hash to sort names [ 210.039484][ T8334] REISERFS (device loop1): checking transaction log (loop1) [ 210.048629][ T8332] REISERFS (device loop0): Using r5 hash to sort names [ 210.053676][ T8328] overlayfs: upper fs does not support tmpfile. [ 210.061346][ T8333] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 210.067080][ T8328] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8327] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8327] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8327] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8327] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8340], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8340 [pid 8327] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8327] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8340 attached [pid 8340] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8340] mkdir(".", 0777) = -1 EEXIST (File exists) [ 210.079851][ T8332] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 210.101096][ T8334] REISERFS (device loop1): Using r5 hash to sort names [ 210.102362][ T8328] overlayfs: failed to resolve './file0': -2 [ 210.112528][ T8334] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8340] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8328] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8333] <... mount resumed>) = 0 [pid 8328] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8340] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8340] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8327] <... futex resumed>) = 0 [pid 8327] exit_group(0) = ? [pid 8340] <... futex resumed>) = ? [pid 8340] +++ exited with 0 +++ [pid 8332] <... mount resumed>) = 0 [pid 8332] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8332] chdir("./bus") = 0 [pid 8332] ioctl(4, LOOP_CLR_FD) = 0 [pid 8332] close(4 [pid 8334] <... mount resumed>) = 0 [pid 8333] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8332] <... close resumed>) = 0 [pid 8328] <... futex resumed>) = ? [pid 8333] <... openat resumed>) = 3 [pid 8328] +++ exited with 0 +++ [pid 8327] +++ exited with 0 +++ [pid 8333] chdir("./bus") = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8327, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 8333] ioctl(4, LOOP_CLR_FD [pid 5000] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8333] <... ioctl resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8333] close(4 [pid 5000] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8333] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 8333] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] fstat(3, [pid 8333] <... futex resumed>) = 1 [pid 8329] <... futex resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8333] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8329] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8334] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8333] <... futex resumed>) = 0 [pid 8329] <... futex resumed>) = 1 [pid 8334] <... openat resumed>) = 3 [pid 8332] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8330] <... futex resumed>) = 0 [pid 8330] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8330] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8332] <... futex resumed>) = 1 [pid 8332] mkdir("./file1", 000 [pid 8333] mkdir("./file1", 000 [pid 8329] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8333] <... mkdir resumed>) = 0 [pid 8334] chdir("./bus" [pid 8333] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8334] <... chdir resumed>) = 0 [pid 8334] ioctl(4, LOOP_CLR_FD [pid 8333] <... futex resumed>) = 1 [pid 8332] <... mkdir resumed>) = 0 [pid 8329] <... futex resumed>) = 0 [pid 8334] <... ioctl resumed>) = 0 [pid 8329] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8333] mkdir("./bus", 000 [pid 8329] <... futex resumed>) = 0 [pid 8334] close(4 [pid 8329] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8333] <... mkdir resumed>) = 0 [ 210.135344][ T8340] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 210.151063][ T8333] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 210.151973][ T8332] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 210.170123][ T8334] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8333] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8334] <... close resumed>) = 0 [pid 8332] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8334] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8333] <... futex resumed>) = 1 [pid 8329] <... futex resumed>) = 0 [pid 8333] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8329] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8330] <... futex resumed>) = 0 [pid 8333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8329] <... futex resumed>) = 0 [pid 8330] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8333] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8330] <... futex resumed>) = 0 [pid 8329] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8330] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8334] <... futex resumed>) = 1 [pid 8332] <... futex resumed>) = 1 [pid 8331] <... futex resumed>) = 0 [pid 8334] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8332] mkdir("./bus", 000) = 0 [pid 8332] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8330] <... futex resumed>) = 0 [pid 8332] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8330] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8330] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8331] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8334] <... futex resumed>) = 0 [pid 8331] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8334] mkdir("./file1", 000) = 0 [pid 8334] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8331] <... futex resumed>) = 0 [pid 8334] mkdir("./bus", 000 [pid 8331] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8334] <... mkdir resumed>) = 0 [pid 8331] <... futex resumed>) = 0 [pid 8334] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8331] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8334] <... futex resumed>) = 0 [pid 8334] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8331] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8330] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8330] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8331] <... futex resumed>) = 1 [pid 8329] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8331] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8334] <... futex resumed>) = 0 [pid 8330] <... mmap resumed>) = 0x7f6a509b4000 [pid 8329] <... futex resumed>) = 0 [pid 8334] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 210.190419][ T8333] overlayfs: upper fs needs to support d_type. [ 210.200843][ T8333] overlayfs: upper fs does not support tmpfile. [ 210.208295][ T8332] overlayfs: upper fs needs to support d_type. [ 210.210518][ T8333] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 210.215282][ T8332] overlayfs: upper fs does not support tmpfile. [ 210.225462][ T8333] overlayfs: failed to resolve './file0': -2 [pid 8330] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8330] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8329] <... mmap resumed>) = 0x7f6a509b4000 [pid 8330] <... clone resumed>, parent_tid=[8341], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8341 [pid 8329] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8330] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8329] <... mprotect resumed>) = 0 [pid 8330] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8329] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8342], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8342 [pid 8329] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8329] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8333] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8333] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8333] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8342 attached [pid 5000] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8341 attached [pid 8341] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8341] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8341] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8342] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8342] mkdir(".", 0777) = -1 EEXIST (File exists) [ 210.245565][ T8334] overlayfs: upper fs needs to support d_type. [ 210.271288][ T8334] overlayfs: upper fs does not support tmpfile. [ 210.276032][ T8332] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8342] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8331] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5000] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8341] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8341] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8330] <... futex resumed>) = 0 [pid 8341] <... futex resumed>) = 1 [pid 8341] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8331] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8331] <... futex resumed>) = 0 [pid 5000] lstat("./177/bus", [pid 8331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8331] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8331] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8343], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8343 [pid 8331] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8331] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./177/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./177/bus") = 0 [pid 5000] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./177/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./177") = 0 [pid 5000] mkdir("./178", 0777) = 0 ./strace-static-x86_64: Process 8343 attached [pid 8342] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 8343] set_robust_list(0x7f6a509d49e0, 24 [pid 5000] <... close resumed>) = 0 [pid 8343] <... set_robust_list resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8343] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8344 [pid 8343] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8344 attached [pid 8344] set_robust_list(0x5555564f86e0, 24) = 0 [ 210.290486][ T8341] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 210.294265][ T8334] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 210.315104][ T8332] overlayfs: failed to resolve './file0': -2 [ 210.315889][ T8334] overlayfs: failed to resolve './file0': -2 [ 210.322709][ T8342] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8344] chdir("./178") = 0 [pid 8344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8342] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] <... prctl resumed>) = 0 [pid 8344] setpgid(0, 0 [pid 8342] <... futex resumed>) = 1 [pid 8344] <... setpgid resumed>) = 0 [pid 8342] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8329] <... futex resumed>) = 0 [pid 8344] <... openat resumed>) = 3 [pid 8343] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8329] exit_group(0 [pid 8343] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8333] <... futex resumed>) = ? [pid 8329] <... exit_group resumed>) = ? [pid 8343] <... futex resumed>) = 1 [pid 8333] +++ exited with 0 +++ [pid 8331] <... futex resumed>) = 0 [pid 8344] write(3, "1000", 4 [pid 8343] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8344] <... write resumed>) = 4 [pid 8344] close(3) = 0 [pid 8344] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8344] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8344] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8344] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8345], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8345 [pid 8344] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8344] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8345 attached [pid 8345] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8345] memfd_create("syzkaller", 0) = 3 [pid 8345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8342] <... futex resumed>) = ? [pid 8334] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8334] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8332] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8332] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8334] <... futex resumed>) = 0 [pid 8332] <... futex resumed>) = 0 [pid 8331] exit_group(0 [pid 8343] <... futex resumed>) = ? [pid 8332] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8331] <... exit_group resumed>) = ? [pid 8343] +++ exited with 0 +++ [pid 8330] exit_group(0 [pid 8341] <... futex resumed>) = ? [pid 8330] <... exit_group resumed>) = ? [pid 8341] +++ exited with 0 +++ [pid 8334] +++ exited with 0 +++ [pid 8331] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8331, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8332] <... futex resumed>) = ? [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8332] +++ exited with 0 +++ [pid 8330] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8330, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 8342] +++ exited with 0 +++ [pid 8329] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8329, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 3 [pid 4997] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 4997] fstat(3, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 4997] getdents64(3, [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 210.354454][ T8343] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8345] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./177/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8345] <... write resumed>) = 4194304 [pid 8345] munmap(0x7f6a505d5000, 4194304 [pid 4998] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./177/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./177/bus") = 0 [pid 4998] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./177/binderfs") = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./177") = 0 [pid 5001] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] mkdir("./178", 0777 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] lstat("./176/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... openat resumed>) = 3 [pid 5001] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] ioctl(3, LOOP_CLR_FD [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] openat(AT_FDCWD, "./176/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] close(3 [pid 8345] <... munmap resumed>) = 0 [pid 5001] <... openat resumed>) = 4 [pid 4998] <... close resumed>) = 0 [pid 8345] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] fstat(4, [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8345] <... openat resumed>) = 4 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, [pid 8345] ioctl(4, LOOP_SET_FD, 3 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8346 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 8346 attached [pid 8346] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8346] chdir("./178") = 0 [pid 8346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8346] setpgid(0, 0) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./176/bus" [pid 8346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... rmdir resumed>) = 0 [pid 5001] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./176/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./176" [pid 8346] <... openat resumed>) = 3 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./177", 0777 [pid 8346] write(3, "1000", 4 [pid 5001] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 8346] <... write resumed>) = 4 [pid 8345] <... ioctl resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 8346] close(3 [pid 8345] close(3 [pid 5001] <... close resumed>) = 0 [pid 4997] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8347 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8345] <... close resumed>) = 0 [pid 4997] lstat("./176/bus", [pid 8345] mkdir("./bus", 0777 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./176/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8346] <... close resumed>) = 0 ./strace-static-x86_64: Process 8347 attached [pid 8346] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8347] set_robust_list(0x5555564f86e0, 24 [pid 8346] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8345] <... mkdir resumed>) = 0 [pid 4997] getdents64(4, [pid 8347] <... set_robust_list resumed>) = 0 [pid 8346] <... futex resumed>) = 0 [pid 8345] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8347] chdir("./177" [pid 8346] <... mmap resumed>) = 0x7f6a589d5000 [pid 8346] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4997] getdents64(4, [pid 8346] <... mprotect resumed>) = 0 [pid 8346] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8347] <... chdir resumed>) = 0 [pid 8346] <... clone resumed>, parent_tid=[8349], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8349 [pid 4997] close(4 [pid 8346] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4997] <... close resumed>) = 0 [pid 8347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8346] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] rmdir("./176/bus"./strace-static-x86_64: Process 8349 attached [pid 8347] <... prctl resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 8349] set_robust_list(0x7f6a589f59e0, 24 [pid 8347] setpgid(0, 0 [pid 8349] <... set_robust_list resumed>) = 0 [pid 8347] <... setpgid resumed>) = 0 [pid 8349] memfd_create("syzkaller", 0 [pid 8347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8349] <... memfd_create resumed>) = 3 [pid 8347] <... openat resumed>) = 3 [pid 8349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8347] write(3, "1000", 4 [pid 8349] <... mmap resumed>) = 0x7f6a505d5000 [pid 8347] <... write resumed>) = 4 [ 210.475899][ T8345] loop3: detected capacity change from 0 to 8192 [pid 8347] close(3 [pid 4997] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./176/binderfs") = 0 [pid 8347] <... close resumed>) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8347] symlink("/dev/binderfs", "./binderfs" [pid 4997] close(3) = 0 [pid 4997] rmdir("./176") = 0 [pid 4997] mkdir("./177", 0777 [pid 8347] <... symlink resumed>) = 0 [pid 8347] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... mkdir resumed>) = 0 [pid 8347] <... futex resumed>) = 0 [pid 8347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 8347] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 8349] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8347] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8350 ./strace-static-x86_64: Process 8350 attached [pid 8350] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8350] chdir("./177") = 0 [pid 8350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8350] setpgid(0, 0) = 0 [pid 8350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8350] write(3, "1000", 4) = 4 [pid 8350] close(3) = 0 [pid 8350] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8350] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8350] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8350] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8351], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8351 [pid 8350] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8350] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8351 attached [pid 8351] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8351] memfd_create("syzkaller", 0) = 3 [pid 8351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8347] <... mprotect resumed>) = 0 [pid 8347] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8352], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8352 [pid 8347] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 210.515437][ T8345] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 210.546002][ T8345] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 8347] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8352 attached [pid 8352] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8352] memfd_create("syzkaller", 0) = 3 [pid 8352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8351] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8352] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8351] <... write resumed>) = 4194304 [pid 8349] <... write resumed>) = 4194304 [ 210.570317][ T8345] REISERFS (device loop3): using ordered data mode [ 210.588194][ T8345] reiserfs: using flush barriers [ 210.605950][ T8345] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8351] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8351] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8351] ioctl(4, LOOP_SET_FD, 3 [pid 8349] munmap(0x7f6a505d5000, 4194304 [pid 8351] <... ioctl resumed>) = 0 [pid 8351] close(3) = 0 [pid 8351] mkdir("./bus", 0777) = 0 [pid 8351] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8349] <... munmap resumed>) = 0 [pid 8349] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8349] ioctl(4, LOOP_SET_FD, 3 [pid 8352] <... write resumed>) = 4194304 [pid 8349] <... ioctl resumed>) = 0 [pid 8352] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8352] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8352] ioctl(4, LOOP_SET_FD, 3) = 0 [ 210.623297][ T8345] REISERFS (device loop3): checking transaction log (loop3) [ 210.624149][ T8351] loop0: detected capacity change from 0 to 8192 [ 210.641049][ T8351] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 210.654736][ T8351] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 210.654975][ T8349] loop1: detected capacity change from 0 to 8192 [ 210.664186][ T8351] REISERFS (device loop0): using ordered data mode [pid 8352] close(3) = 0 [pid 8352] mkdir("./bus", 0777) = 0 [pid 8352] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8349] close(3) = 0 [pid 8349] mkdir("./bus", 0777) = 0 [ 210.676846][ T8352] loop4: detected capacity change from 0 to 8192 [ 210.684553][ T8345] REISERFS (device loop3): Using r5 hash to sort names [ 210.684619][ T8351] reiserfs: using flush barriers [ 210.692150][ T8345] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 210.698031][ T8349] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8349] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8345] <... mount resumed>) = 0 [pid 8345] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8345] chdir("./bus") = 0 [pid 8345] ioctl(4, LOOP_CLR_FD) = 0 [pid 8345] close(4) = 0 [pid 8345] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] <... futex resumed>) = 0 [pid 8344] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8344] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8345] <... futex resumed>) = 1 [pid 8345] mkdir("./file1", 000) = 0 [pid 8345] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] <... futex resumed>) = 0 [pid 8344] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8344] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8345] <... futex resumed>) = 1 [pid 8345] mkdir("./bus", 000) = 0 [pid 8345] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] <... futex resumed>) = 0 [pid 8344] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8344] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8345] <... futex resumed>) = 1 [ 210.709251][ T8345] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 210.731803][ T8352] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 210.737477][ T8349] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 210.754086][ T8351] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 210.757683][ T8345] overlayfs: upper fs needs to support d_type. [pid 8345] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8344] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8344] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 210.770757][ T8351] REISERFS (device loop0): checking transaction log (loop0) [ 210.784229][ T8352] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 210.788173][ T8351] REISERFS (device loop0): Using r5 hash to sort names [ 210.793638][ T8352] REISERFS (device loop4): using ordered data mode [ 210.807107][ T8352] reiserfs: using flush barriers [ 210.808790][ T8345] overlayfs: upper fs does not support tmpfile. [ 210.813168][ T8349] REISERFS (device loop1): using ordered data mode [pid 8344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [ 210.820169][ T8352] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 210.825223][ T8349] reiserfs: using flush barriers [ 210.843033][ T8351] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 210.847719][ T8345] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 210.860814][ T8351] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8344] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8345] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8345] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] <... mprotect resumed>) = 0 [pid 8344] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8356], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8356 [pid 8344] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8344] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8345] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8356 attached [pid 8345] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8356] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8351] <... mount resumed>) = 0 [pid 8356] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8351] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8351] chdir("./bus") = 0 [pid 8351] ioctl(4, LOOP_CLR_FD) = 0 [ 210.865939][ T8349] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 210.876731][ T8352] REISERFS (device loop4): checking transaction log (loop4) [ 210.892254][ T8345] overlayfs: failed to resolve './file0': -2 [ 210.905357][ T8349] REISERFS (device loop1): checking transaction log (loop1) [ 210.914253][ T8349] REISERFS (device loop1): Using r5 hash to sort names [pid 8351] close(4 [pid 8356] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8351] <... close resumed>) = 0 [pid 8351] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] <... futex resumed>) = 0 [pid 8350] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8350] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8351] <... futex resumed>) = 1 [pid 8351] mkdir("./file1", 000) = 0 [pid 8351] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8350] <... futex resumed>) = 0 [pid 8351] mkdir("./bus", 000 [pid 8350] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8351] <... mkdir resumed>) = 0 [pid 8350] <... futex resumed>) = 0 [pid 8351] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8351] <... futex resumed>) = 0 [pid 8350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8351] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8350] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8350] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8356] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8356] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 210.921856][ T8349] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 210.942304][ T8356] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 210.947585][ T8349] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 210.966495][ T8351] overlayfs: upper fs needs to support d_type. [pid 8356] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8344] <... futex resumed>) = 0 [pid 8344] exit_group(0 [pid 8345] <... futex resumed>) = ? [pid 8344] <... exit_group resumed>) = ? [pid 8345] +++ exited with 0 +++ [pid 8356] <... futex resumed>) = ? [pid 8356] +++ exited with 0 +++ [pid 8349] <... mount resumed>) = 0 [pid 8349] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8349] chdir("./bus") = 0 [pid 8349] ioctl(4, LOOP_CLR_FD [pid 8344] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8344, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 8349] <... ioctl resumed>) = 0 [pid 8349] close(4 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5000] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8350] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8350] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8349] <... close resumed>) = 0 [pid 8349] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8349] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8350] <... mmap resumed>) = 0x7f6a509b4000 [pid 8346] <... futex resumed>) = 0 [pid 8350] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8346] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] <... mprotect resumed>) = 0 [pid 8349] <... futex resumed>) = 0 [pid 8346] <... futex resumed>) = 1 [pid 8349] mkdir("./file1", 000 [pid 8350] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8346] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8349] <... mkdir resumed>) = 0 [ 210.974207][ T8352] REISERFS (device loop4): Using r5 hash to sort names [ 210.983258][ T8351] overlayfs: upper fs does not support tmpfile. [ 210.990549][ T8352] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 211.004585][ T8351] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 211.013075][ T8352] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8350] <... clone resumed>, parent_tid=[8357], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8357 [pid 8349] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8349] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8352] <... mount resumed>) = 0 [pid 8352] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8352] chdir("./bus") = 0 [pid 8352] ioctl(4, LOOP_CLR_FD) = 0 [pid 8352] close(4./strace-static-x86_64: Process 8357 attached [pid 8350] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8346] <... futex resumed>) = 0 [pid 8357] set_robust_list(0x7f6a509d49e0, 24 [pid 8350] <... futex resumed>) = 0 [pid 8346] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8357] <... set_robust_list resumed>) = 0 [pid 8350] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8349] <... futex resumed>) = 0 [pid 8346] <... futex resumed>) = 1 [pid 8357] mkdir(".", 0777 [pid 8349] mkdir("./bus", 000 [pid 8346] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8357] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8349] <... mkdir resumed>) = 0 [pid 8349] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8349] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8357] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8346] <... futex resumed>) = 0 [pid 8346] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8349] <... futex resumed>) = 0 [pid 8346] <... futex resumed>) = 1 [pid 8349] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8346] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8352] <... close resumed>) = 0 [pid 8352] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... futex resumed>) = 0 [pid 8347] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8347] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8352] <... futex resumed>) = 1 [pid 8352] mkdir("./file1", 000) = 0 [pid 8352] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... futex resumed>) = 0 [pid 8347] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8347] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8352] <... futex resumed>) = 1 [pid 8352] mkdir("./bus", 000) = 0 [pid 8352] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... futex resumed>) = 0 [pid 8347] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8347] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8352] <... futex resumed>) = 1 [ 211.026645][ T8351] overlayfs: failed to resolve './file0': -2 [ 211.048936][ T8349] overlayfs: upper fs needs to support d_type. [ 211.050326][ T8357] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8352] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8357] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8351] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8357] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8351] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] lstat("./178/bus", [pid 8357] <... futex resumed>) = 1 [pid 8351] <... futex resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8350] <... futex resumed>) = 0 [pid 8351] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8350] exit_group(0 [pid 8357] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8357] <... futex resumed>) = ? [pid 8351] <... futex resumed>) = ? [pid 8350] <... exit_group resumed>) = ? [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8357] +++ exited with 0 +++ [pid 8351] +++ exited with 0 +++ [pid 8350] +++ exited with 0 +++ [pid 8346] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5000] openat(AT_FDCWD, "./178/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8346] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 4 [pid 8347] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8346] <... futex resumed>) = 0 [pid 5000] fstat(4, [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8350, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 8347] <... futex resumed>) = 0 [pid 8346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8346] <... mmap resumed>) = 0x7f6a509b4000 [pid 5000] getdents64(4, [pid 8347] <... mmap resumed>) = 0x7f6a509b4000 [pid 8346] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8349] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8347] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8346] <... mprotect resumed>) = 0 [pid 5000] getdents64(4, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8349] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... mprotect resumed>) = 0 [pid 8346] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8349] <... futex resumed>) = 0 [pid 8347] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] close(4 [pid 4997] <... openat resumed>) = 3 [pid 8349] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8346] <... clone resumed>, parent_tid=[8359], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8359 [pid 5000] <... close resumed>) = 0 [pid 4997] fstat(3, [pid 8347] <... clone resumed>, parent_tid=[8360], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8360 [pid 8346] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] rmdir("./178/bus" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 211.077586][ T8352] overlayfs: upper fs needs to support d_type. [ 211.084392][ T8349] overlayfs: upper fs does not support tmpfile. [ 211.097442][ T8349] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 211.102482][ T8352] overlayfs: upper fs does not support tmpfile. [ 211.107057][ T8349] overlayfs: failed to resolve './file0': -2 [ 211.111299][ T8352] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8347] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8346] <... futex resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4997] getdents64(3, [pid 8347] <... futex resumed>) = 0 [pid 8346] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8347] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8360 attached ./strace-static-x86_64: Process 8359 attached [pid 5000] lstat("./178/binderfs", [pid 8360] set_robust_list(0x7f6a509d49e0, 24 [pid 8359] set_robust_list(0x7f6a509d49e0, 24 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8360] <... set_robust_list resumed>) = 0 [pid 8359] <... set_robust_list resumed>) = 0 [pid 8352] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5000] unlink("./178/binderfs" [pid 8360] mkdir(".", 0777 [pid 8359] mkdir(".", 0777 [pid 8352] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... unlink resumed>) = 0 [pid 8360] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8359] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8352] <... futex resumed>) = 0 [pid 5000] getdents64(3, [pid 8360] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8359] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8352] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./178") = 0 [pid 5000] mkdir("./179", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [ 211.125961][ T8352] overlayfs: failed to resolve './file0': -2 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8361 ./strace-static-x86_64: Process 8361 attached [pid 8361] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8361] chdir("./179") = 0 [pid 8361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8361] setpgid(0, 0) = 0 [pid 8361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8361] write(3, "1000", 4) = 4 [pid 8361] close(3) = 0 [pid 8361] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8361] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8361] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8361] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8362], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8362 [pid 8361] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8361] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8362 attached [pid 8362] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8362] memfd_create("syzkaller", 0) = 3 [pid 8362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./177/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./177/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./177/bus") = 0 [pid 8360] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8359] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8360] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8359] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8360] <... futex resumed>) = 1 [pid 8359] <... futex resumed>) = 1 [pid 8347] <... futex resumed>) = 0 [pid 8346] <... futex resumed>) = 0 [pid 8360] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8359] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8347] exit_group(0 [pid 8346] exit_group(0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8360] <... futex resumed>) = ? [pid 8359] <... futex resumed>) = ? [pid 8352] <... futex resumed>) = ? [pid 8349] <... futex resumed>) = ? [pid 8347] <... exit_group resumed>) = ? [pid 8346] <... exit_group resumed>) = ? [pid 8360] +++ exited with 0 +++ [pid 8359] +++ exited with 0 +++ [pid 8352] +++ exited with 0 +++ [pid 8349] +++ exited with 0 +++ [pid 8347] +++ exited with 0 +++ [pid 8346] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8347, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8346, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5001] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 3 [pid 4998] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 4998] fstat(3, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 4998] getdents64(3, [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8362] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 211.151712][ T8359] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 211.179600][ T8360] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] lstat("./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./177/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./177") = 0 [pid 4997] mkdir("./178", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8363 ./strace-static-x86_64: Process 8363 attached [pid 8363] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8363] chdir("./178") = 0 [pid 8363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8363] setpgid(0, 0) = 0 [pid 8363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8363] write(3, "1000", 4) = 4 [pid 8363] close(3) = 0 [pid 8363] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... umount2 resumed>) = 0 [pid 8363] <... symlink resumed>) = 0 [pid 5001] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8363] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8363] <... futex resumed>) = 0 [pid 5001] lstat("./177/bus", [pid 8363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8363] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8363] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8363] <... mprotect resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./177/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8363] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 5001] getdents64(4, [pid 8363] <... clone resumed>, parent_tid=[8364], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8364 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8364 attached [pid 8363] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] getdents64(4, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8364] set_robust_list(0x7f6a589f59e0, 24 [pid 8363] <... futex resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] lstat("./178/bus", [pid 8364] <... set_robust_list resumed>) = 0 [pid 8363] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] close(4 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... close resumed>) = 0 [pid 4998] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8364] memfd_create("syzkaller", 0 [pid 5001] rmdir("./177/bus" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8364] <... memfd_create resumed>) = 3 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./178/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... openat resumed>) = 4 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] fstat(4, [pid 8364] <... mmap resumed>) = 0x7f6a505d5000 [pid 5001] lstat("./177/binderfs", [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] getdents64(4, [pid 5001] unlink("./177/binderfs" [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] <... unlink resumed>) = 0 [pid 4998] getdents64(4, [pid 5001] getdents64(3, [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(4 [pid 5001] close(3 [pid 4998] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4998] rmdir("./178/bus" [pid 5001] rmdir("./177" [pid 4998] <... rmdir resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] mkdir("./178", 0777 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... mkdir resumed>) = 0 [pid 4998] lstat("./178/binderfs", [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8362] <... write resumed>) = 4194304 [pid 5001] <... openat resumed>) = 3 [pid 4998] unlink("./178/binderfs" [pid 8362] munmap(0x7f6a505d5000, 4194304 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4998] <... unlink resumed>) = 0 [pid 8362] <... munmap resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] getdents64(3, [pid 5001] close(3 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] <... close resumed>) = 0 [pid 4998] close(3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./178" [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8365 [pid 4998] <... rmdir resumed>) = 0 [pid 4998] mkdir("./179", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8366 ./strace-static-x86_64: Process 8365 attached [pid 8365] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8365] chdir("./178") = 0 [pid 8365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8362] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8365] setpgid(0, 0) = 0 [pid 8365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8362] <... openat resumed>) = 4 [pid 8365] write(3, "1000", 4 [pid 8362] ioctl(4, LOOP_SET_FD, 3 [pid 8365] <... write resumed>) = 4 [pid 8365] close(3) = 0 [pid 8365] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8365] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8365] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8365] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8367], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8367 [pid 8365] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8365] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8367 attached [pid 8367] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8367] memfd_create("syzkaller", 0) = 3 [pid 8367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 8366 attached [pid 8362] <... ioctl resumed>) = 0 [pid 8362] close(3 [pid 8366] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8362] <... close resumed>) = 0 [pid 8362] mkdir("./bus", 0777 [pid 8366] chdir("./179" [pid 8362] <... mkdir resumed>) = 0 [pid 8366] <... chdir resumed>) = 0 [pid 8362] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8366] setpgid(0, 0) = 0 [pid 8366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8366] write(3, "1000", 4) = 4 [pid 8366] close(3) = 0 [pid 8366] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8366] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8366] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8367] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8366] <... mprotect resumed>) = 0 [pid 8366] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8369], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8369 [pid 8366] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8366] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8369 attached [pid 8369] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8369] memfd_create("syzkaller", 0) = 3 [pid 8369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 211.320465][ T8362] loop3: detected capacity change from 0 to 8192 [ 211.346707][ T8362] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8364] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8367] <... write resumed>) = 4194304 [pid 8367] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8367] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8367] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8367] close(3) = 0 [pid 8367] mkdir("./bus", 0777) = 0 [pid 8367] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 211.386752][ T8362] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 211.404516][ T8367] loop4: detected capacity change from 0 to 8192 [ 211.414296][ T8362] REISERFS (device loop3): using ordered data mode [ 211.422173][ T8362] reiserfs: using flush barriers [pid 8369] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8364] <... write resumed>) = 4194304 [pid 8364] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8364] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8369] <... write resumed>) = 4194304 [pid 8364] <... openat resumed>) = 4 [ 211.427805][ T8367] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 211.442544][ T8367] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 211.443264][ T8362] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 211.452876][ T8367] REISERFS (device loop4): using ordered data mode [ 211.474817][ T8367] reiserfs: using flush barriers [ 211.476477][ T8362] REISERFS (device loop3): checking transaction log (loop3) [pid 8369] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8364] ioctl(4, LOOP_SET_FD, 3 [pid 8369] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8369] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8369] close(3) = 0 [pid 8369] mkdir("./bus", 0777) = 0 [pid 8369] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8364] <... ioctl resumed>) = 0 [ 211.489929][ T8369] loop1: detected capacity change from 0 to 8192 [ 211.490377][ T8364] loop0: detected capacity change from 0 to 8192 [ 211.496494][ T8367] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 211.506350][ T8362] REISERFS (device loop3): Using r5 hash to sort names [ 211.519714][ T8367] REISERFS (device loop4): checking transaction log (loop4) [ 211.533860][ T8362] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 211.535343][ T8369] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 211.546880][ T8362] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 211.562389][ T8369] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 211.569433][ T8367] REISERFS (device loop4): Using r5 hash to sort names [pid 8364] close(3) = 0 [pid 8364] mkdir("./bus", 0777) = 0 [pid 8362] <... mount resumed>) = 0 [pid 8362] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8362] chdir("./bus") = 0 [pid 8362] ioctl(4, LOOP_CLR_FD) = 0 [pid 8362] close(4 [pid 8364] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8367] <... mount resumed>) = 0 [ 211.579486][ T8369] REISERFS (device loop1): using ordered data mode [ 211.585461][ T8367] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 211.605248][ T8367] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 211.615365][ T8369] reiserfs: using flush barriers [ 211.615527][ T8364] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8367] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8362] <... close resumed>) = 0 [pid 8362] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8367] <... openat resumed>) = 3 [pid 8361] <... futex resumed>) = 0 [pid 8367] chdir("./bus" [pid 8361] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8361] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8362] <... futex resumed>) = 1 [pid 8362] mkdir("./file1", 000) = 0 [pid 8362] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8361] <... futex resumed>) = 0 [pid 8361] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8361] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8362] <... futex resumed>) = 1 [pid 8362] mkdir("./bus", 000 [pid 8367] <... chdir resumed>) = 0 [pid 8367] ioctl(4, LOOP_CLR_FD [pid 8362] <... mkdir resumed>) = 0 [pid 8362] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8361] <... futex resumed>) = 0 [pid 8361] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8361] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8362] <... futex resumed>) = 1 [pid 8362] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8367] <... ioctl resumed>) = 0 [ 211.633417][ T8369] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 211.650230][ T8369] REISERFS (device loop1): checking transaction log (loop1) [ 211.658515][ T8369] REISERFS (device loop1): Using r5 hash to sort names [ 211.665594][ T8369] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 211.666168][ T8362] overlayfs: upper fs needs to support d_type. [pid 8367] close(4) = 0 [pid 8361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8367] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8365] <... futex resumed>) = 0 [pid 8361] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8361] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8361] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8374], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8374 [pid 8361] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 211.678342][ T8364] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 211.678412][ T8364] REISERFS (device loop0): using ordered data mode [ 211.694999][ T8362] overlayfs: upper fs does not support tmpfile. [ 211.700499][ T8364] reiserfs: using flush barriers [ 211.712603][ T8364] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 211.723195][ T8369] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8361] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8367] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8365] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8374 attached [pid 8374] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8374] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8374] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8365] <... futex resumed>) = 0 [pid 8367] mkdir("./file1", 000 [pid 8365] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8369] <... mount resumed>) = 0 [pid 8369] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8369] chdir("./bus") = 0 [pid 8369] ioctl(4, LOOP_CLR_FD) = 0 [pid 8369] close(4 [pid 8367] <... mkdir resumed>) = 0 [pid 8369] <... close resumed>) = 0 [pid 8369] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8366] <... futex resumed>) = 0 [pid 8366] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8366] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8369] <... futex resumed>) = 1 [pid 8369] mkdir("./file1", 000) = 0 [pid 8369] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8366] <... futex resumed>) = 0 [pid 8366] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8366] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8369] <... futex resumed>) = 1 [pid 8369] mkdir("./bus", 000) = 0 [pid 8369] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8367] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8366] <... futex resumed>) = 0 [ 211.729096][ T8364] REISERFS (device loop0): checking transaction log (loop0) [ 211.745854][ T8364] REISERFS (device loop0): Using r5 hash to sort names [ 211.753694][ T8362] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 211.764155][ T8364] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8367] <... futex resumed>) = 1 [pid 8366] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] <... futex resumed>) = 0 [pid 8367] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8366] <... futex resumed>) = 0 [pid 8365] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8366] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8365] <... futex resumed>) = 0 [pid 8367] mkdir("./bus", 000 [pid 8365] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8367] <... mkdir resumed>) = 0 [pid 8367] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8365] <... futex resumed>) = 0 [pid 8367] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8365] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8365] <... futex resumed>) = 0 [pid 8369] <... futex resumed>) = 1 [pid 8367] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8365] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8369] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8374] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8374] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8361] <... futex resumed>) = 0 [pid 8374] <... futex resumed>) = 1 [pid 8374] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8364] <... mount resumed>) = 0 [pid 8364] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 211.779679][ T8374] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 211.800972][ T8364] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 211.808355][ T8369] overlayfs: upper fs needs to support d_type. [ 211.811423][ T8362] overlayfs: failed to resolve './file0': -2 [ 211.816494][ T8369] overlayfs: upper fs does not support tmpfile. [ 211.823198][ T8367] overlayfs: upper fs needs to support d_type. [ 211.828835][ T8369] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8364] chdir("./bus") = 0 [pid 8364] ioctl(4, LOOP_CLR_FD) = 0 [pid 8364] close(4) = 0 [pid 8364] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8363] <... futex resumed>) = 0 [pid 8363] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8363] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8364] <... futex resumed>) = 1 [pid 8364] mkdir("./file1", 000) = 0 [pid 8364] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8363] <... futex resumed>) = 0 [pid 8363] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8363] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8364] <... futex resumed>) = 1 [pid 8364] mkdir("./bus", 000) = 0 [pid 8364] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8363] <... futex resumed>) = 0 [pid 8363] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8363] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8364] <... futex resumed>) = 1 [pid 8364] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8365] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8366] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8362] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8362] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8362] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8365] <... futex resumed>) = 0 [pid 8365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8366] <... futex resumed>) = 0 [pid 8365] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8361] exit_group(0) = ? [pid 8374] <... futex resumed>) = ? [pid 8362] <... futex resumed>) = ? [pid 8362] +++ exited with 0 +++ [pid 8374] +++ exited with 0 +++ [pid 8361] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8361, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 8365] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8365] <... clone resumed>, parent_tid=[8375], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8375 [pid 5000] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 211.835452][ T8367] overlayfs: upper fs does not support tmpfile. [ 211.843017][ T8369] overlayfs: failed to resolve './file0': -2 [ 211.851920][ T8364] overlayfs: upper fs needs to support d_type. [ 211.876859][ T8367] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 211.877280][ T8364] overlayfs: upper fs does not support tmpfile. [pid 8365] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8375 attached [pid 8365] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 8375] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8375] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8375] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8369] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8366] <... mmap resumed>) = 0x7f6a509b4000 [pid 8365] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] fstat(3, [pid 8369] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8366] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8369] <... futex resumed>) = 0 [pid 8366] <... mprotect resumed>) = 0 [pid 5000] getdents64(3, [pid 8369] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8366] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8366] <... clone resumed>, parent_tid=[8376], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8376 [pid 8366] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8366] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8376 attached [pid 8363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8376] set_robust_list(0x7f6a509d49e0, 24 [pid 8363] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8376] <... set_robust_list resumed>) = 0 [pid 8363] <... futex resumed>) = 0 [pid 8376] mkdir(".", 0777 [pid 8363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8376] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8363] <... mmap resumed>) = 0x7f6a509b4000 [pid 8376] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8363] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8363] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8377], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8377 [pid 8363] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8363] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8377 attached [pid 8377] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8377] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8377] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8375] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8376] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8376] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 211.884709][ T8367] overlayfs: failed to resolve './file0': -2 [ 211.893797][ T8364] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 211.904264][ T8364] overlayfs: failed to resolve './file0': -2 [ 211.906002][ T8375] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 211.918659][ T8376] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8376] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8375] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8375] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8366] <... futex resumed>) = 0 [pid 8366] exit_group(0) = ? [pid 8376] <... futex resumed>) = ? [pid 8376] +++ exited with 0 +++ [pid 8365] <... futex resumed>) = 0 [pid 8369] <... futex resumed>) = ? [pid 8369] +++ exited with 0 +++ [pid 8366] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8366, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 4998] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8377] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8367] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8364] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8364] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8367] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8364] <... futex resumed>) = 0 [pid 8364] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8367] <... futex resumed>) = 0 [pid 8365] exit_group(0 [pid 8375] <... futex resumed>) = ? [pid 8365] <... exit_group resumed>) = ? [pid 8375] +++ exited with 0 +++ [pid 8377] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8363] <... futex resumed>) = 0 [pid 8363] exit_group(0 [pid 8364] <... futex resumed>) = ? [pid 8363] <... exit_group resumed>) = ? [pid 8364] +++ exited with 0 +++ [pid 8367] +++ exited with 0 +++ [pid 8365] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8365, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5001] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8377] <... futex resumed>) = ? [pid 8377] +++ exited with 0 +++ [pid 8363] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8363, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [ 211.936490][ T8377] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./179/bus", [pid 5000] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] lstat("./179/bus", [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] openat(AT_FDCWD, "./179/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... openat resumed>) = 4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] fstat(4, [pid 5000] openat(AT_FDCWD, "./179/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... openat resumed>) = 4 [pid 4998] getdents64(4, [pid 5000] fstat(4, [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, [pid 5000] getdents64(4, [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] close(4 [pid 5000] getdents64(4, [pid 4998] <... close resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] rmdir("./179/bus" [pid 5000] close(4 [pid 4998] <... rmdir resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] rmdir("./179/bus" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... rmdir resumed>) = 0 [pid 4998] lstat("./179/binderfs", [pid 5000] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] lstat("./179/binderfs", [pid 4998] unlink("./179/binderfs" [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./179/binderfs" [pid 4998] <... unlink resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 4997] <... umount2 resumed>) = 0 [pid 5000] getdents64(3, [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] close(3 [pid 5000] close(3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] rmdir("./179" [pid 5000] rmdir("./179" [pid 4997] lstat("./178/bus", [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] mkdir("./180", 0777 [pid 4998] mkdir("./180", 0777 [pid 4997] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4998] <... openat resumed>) = 3 [pid 4997] openat(AT_FDCWD, "./178/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] ioctl(3, LOOP_CLR_FD [pid 4997] <... openat resumed>) = 4 [pid 5000] close(3 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] fstat(4, [pid 5000] <... close resumed>) = 0 [pid 4998] close(3 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... close resumed>) = 0 [pid 4997] getdents64(4, [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8378 [pid 4997] getdents64(4, [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8379 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./178/bus"./strace-static-x86_64: Process 8379 attached ./strace-static-x86_64: Process 8378 attached ) = 0 [pid 4997] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./178/binderfs", [pid 8379] set_robust_list(0x5555564f86e0, 24 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8379] <... set_robust_list resumed>) = 0 [pid 8378] set_robust_list(0x5555564f86e0, 24 [pid 4997] unlink("./178/binderfs" [pid 8379] chdir("./180" [pid 8378] <... set_robust_list resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 8379] <... chdir resumed>) = 0 [pid 8379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8378] chdir("./180" [pid 4997] getdents64(3, [pid 8379] <... prctl resumed>) = 0 [pid 8378] <... chdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8379] setpgid(0, 0) = 0 [pid 8378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] close(3 [pid 8379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8378] <... prctl resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 8379] <... openat resumed>) = 3 [pid 8379] write(3, "1000", 4 [pid 8378] setpgid(0, 0 [pid 4997] rmdir("./178" [pid 8379] <... write resumed>) = 4 [pid 8378] <... setpgid resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 8379] close(3 [pid 8378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] mkdir("./179", 0777 [pid 8379] <... close resumed>) = 0 [pid 8378] <... openat resumed>) = 3 [pid 4997] <... mkdir resumed>) = 0 [pid 8379] symlink("/dev/binderfs", "./binderfs" [pid 8378] write(3, "1000", 4 [pid 5001] <... umount2 resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8379] <... symlink resumed>) = 0 [pid 8378] <... write resumed>) = 4 [pid 5001] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8378] close(3 [pid 4997] <... openat resumed>) = 3 [pid 8379] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8378] <... close resumed>) = 0 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 8379] <... futex resumed>) = 0 [pid 8378] symlink("/dev/binderfs", "./binderfs" [pid 8379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8378] <... symlink resumed>) = 0 [pid 5001] lstat("./178/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8379] <... mmap resumed>) = 0x7f6a589d5000 [pid 8378] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] close(3 [pid 8379] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8378] <... futex resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 5001] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8379] <... mprotect resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] openat(AT_FDCWD, "./178/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8379] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8378] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] <... openat resumed>) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 8378] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] rmdir("./178/bus" [pid 8379] <... clone resumed>, parent_tid=[8381], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8381 [pid 8378] <... mprotect resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8380 [pid 8379] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8379] <... futex resumed>) = 0 [pid 8378] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8379] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./178/binderfs", [pid 8378] <... clone resumed>, parent_tid=[8382], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8382 [pid 8378] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8378] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./178/binderfs"./strace-static-x86_64: Process 8380 attached ) = 0 [pid 8380] set_robust_list(0x5555564f86e0, 24 [pid 5001] getdents64(3, ./strace-static-x86_64: Process 8381 attached [pid 8380] <... set_robust_list resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8381] set_robust_list(0x7f6a589f59e0, 24 [pid 8380] chdir("./179" [pid 5001] close(3./strace-static-x86_64: Process 8382 attached [pid 8381] <... set_robust_list resumed>) = 0 [pid 8380] <... chdir resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 8382] set_robust_list(0x7f6a589f59e0, 24 [pid 8381] memfd_create("syzkaller", 0 [pid 8380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] rmdir("./178" [pid 8382] <... set_robust_list resumed>) = 0 [pid 8381] <... memfd_create resumed>) = 3 [pid 8380] <... prctl resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 8382] memfd_create("syzkaller", 0 [pid 8381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8380] setpgid(0, 0 [pid 5001] mkdir("./179", 0777 [pid 8382] <... memfd_create resumed>) = 3 [pid 8381] <... mmap resumed>) = 0x7f6a505d5000 [pid 8380] <... setpgid resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 8382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8382] <... mmap resumed>) = 0x7f6a505d5000 [pid 8380] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 8380] write(3, "1000", 4 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 8380] <... write resumed>) = 4 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8380] close(3 [pid 5001] close(3 [pid 8380] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 8380] symlink("/dev/binderfs", "./binderfs" [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8380] <... symlink resumed>) = 0 [pid 8380] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8383 [pid 8380] <... futex resumed>) = 0 [pid 8380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8380] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8380] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8384], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8384 [pid 8380] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8380] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8383 attached [pid 8383] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8383] chdir("./179") = 0 [pid 8383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8383] setpgid(0, 0./strace-static-x86_64: Process 8384 attached [pid 8384] set_robust_list(0x7f6a589f59e0, 24 [pid 8383] <... setpgid resumed>) = 0 [pid 8383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8384] <... set_robust_list resumed>) = 0 [pid 8383] <... openat resumed>) = 3 [pid 8383] write(3, "1000", 4) = 4 [pid 8383] close(3) = 0 [pid 8383] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8383] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8384] memfd_create("syzkaller", 0 [pid 8381] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8384] <... memfd_create resumed>) = 3 [pid 8383] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8382] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8383] <... mprotect resumed>) = 0 [pid 8383] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8385], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8385 [pid 8383] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8383] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8385 attached [pid 8384] <... mmap resumed>) = 0x7f6a505d5000 [pid 8385] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8385] memfd_create("syzkaller", 0) = 3 [pid 8385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8381] <... write resumed>) = 4194304 [pid 8381] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8381] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8381] ioctl(4, LOOP_SET_FD, 3 [pid 8384] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8381] <... ioctl resumed>) = 0 [pid 8382] <... write resumed>) = 4194304 [pid 8382] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8382] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8382] ioctl(4, LOOP_SET_FD, 3 [pid 8381] close(3 [pid 8382] <... ioctl resumed>) = 0 [pid 8381] <... close resumed>) = 0 [pid 8382] close(3) = 0 [pid 8382] mkdir("./bus", 0777) = 0 [pid 8381] mkdir("./bus", 0777 [pid 8382] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8381] <... mkdir resumed>) = 0 [pid 8381] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 212.161830][ T8381] loop1: detected capacity change from 0 to 8192 [ 212.178353][ T8382] loop3: detected capacity change from 0 to 8192 [ 212.195744][ T8382] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8385] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 8384] <... write resumed>) = 4194304 [pid 8384] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8384] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8384] ioctl(4, LOOP_SET_FD, 3 [pid 8385] munmap(0x7f6a505d5000, 4194304 [pid 8384] <... ioctl resumed>) = 0 [pid 8384] close(3) = 0 [pid 8384] mkdir("./bus", 0777) = 0 [ 212.211462][ T8381] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 212.218959][ T8382] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 212.229573][ T8381] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 212.238493][ T8384] loop0: detected capacity change from 0 to 8192 [ 212.243591][ T8382] REISERFS (device loop3): using ordered data mode [ 212.251050][ T8381] REISERFS (device loop1): using ordered data mode [pid 8384] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8385] <... munmap resumed>) = 0 [pid 8385] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8385] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8385] close(3) = 0 [pid 8385] mkdir("./bus", 0777) = 0 [ 212.257964][ T8382] reiserfs: using flush barriers [ 212.262782][ T8381] reiserfs: using flush barriers [ 212.268843][ T8382] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 212.274344][ T8385] loop4: detected capacity change from 0 to 8192 [ 212.288656][ T8384] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 212.298111][ T8382] REISERFS (device loop3): checking transaction log (loop3) [ 212.308426][ T8381] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 212.315569][ T8384] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 212.340968][ T8384] REISERFS (device loop0): using ordered data mode [ 212.341344][ T8382] REISERFS (device loop3): Using r5 hash to sort names [ 212.347564][ T8384] reiserfs: using flush barriers [ 212.348858][ T8381] REISERFS (device loop1): checking transaction log (loop1) [ 212.354774][ T8384] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 212.383581][ T8381] REISERFS (device loop1): Using r5 hash to sort names [ 212.383964][ T8385] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8385] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8382] <... mount resumed>) = 0 [ 212.390994][ T8382] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 212.404558][ T8381] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 212.416596][ T8382] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 212.430130][ T8385] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 212.438853][ T8384] REISERFS (device loop0): checking transaction log (loop0) [pid 8382] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8382] chdir("./bus" [pid 8381] <... mount resumed>) = 0 [pid 8382] <... chdir resumed>) = 0 [pid 8382] ioctl(4, LOOP_CLR_FD) = 0 [pid 8382] close(4) = 0 [pid 8382] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8382] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8381] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8381] chdir("./bus") = 0 [pid 8381] ioctl(4, LOOP_CLR_FD) = 0 [pid 8381] close(4 [pid 8378] <... futex resumed>) = 0 [pid 8378] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8382] <... futex resumed>) = 0 [pid 8378] <... futex resumed>) = 1 [pid 8382] mkdir("./file1", 000 [pid 8378] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8382] <... mkdir resumed>) = 0 [pid 8382] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8378] <... futex resumed>) = 0 [pid 8382] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8378] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8378] <... futex resumed>) = 0 [pid 8382] mkdir("./bus", 000 [pid 8378] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8382] <... mkdir resumed>) = 0 [pid 8382] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8378] <... futex resumed>) = 0 [pid 8382] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8378] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8378] <... futex resumed>) = 0 [pid 8382] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8378] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8381] <... close resumed>) = 0 [pid 8381] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 212.448584][ T8381] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 212.455453][ T8385] REISERFS (device loop4): using ordered data mode [ 212.465260][ T8384] REISERFS (device loop0): Using r5 hash to sort names [ 212.470927][ T8385] reiserfs: using flush barriers [ 212.478413][ T8384] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 212.505120][ T8382] overlayfs: upper fs needs to support d_type. [pid 8381] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8379] <... futex resumed>) = 0 [pid 8379] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8379] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8384] <... mount resumed>) = 0 [pid 8381] <... futex resumed>) = 0 [pid 8384] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [ 212.506864][ T8384] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 212.518399][ T8385] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 212.529734][ T8382] overlayfs: upper fs does not support tmpfile. [ 212.541738][ T8385] REISERFS (device loop4): checking transaction log (loop4) [ 212.543869][ T8382] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8381] mkdir("./file1", 000 [pid 8384] <... openat resumed>) = 3 [pid 8381] <... mkdir resumed>) = 0 [pid 8378] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8378] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8378] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8378] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8390], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8390 [pid 8378] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8378] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8390 attached [pid 8384] chdir("./bus" [pid 8381] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8384] <... chdir resumed>) = 0 [pid 8381] <... futex resumed>) = 0 [pid 8379] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8384] ioctl(4, LOOP_CLR_FD [pid 8381] mkdir("./bus", 000 [pid 8379] <... futex resumed>) = 0 [pid 8384] <... ioctl resumed>) = 0 [pid 8381] <... mkdir resumed>) = 0 [pid 8379] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8384] close(4 [pid 8381] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8384] <... close resumed>) = 0 [pid 8381] <... futex resumed>) = 1 [pid 8379] <... futex resumed>) = 0 [pid 8384] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8379] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8384] <... futex resumed>) = 1 [pid 8380] <... futex resumed>) = 0 [pid 8379] <... futex resumed>) = 0 [pid 8384] mkdir("./file1", 000 [pid 8380] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8379] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8380] <... futex resumed>) = 0 [pid 8384] <... mkdir resumed>) = 0 [pid 8380] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8384] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8380] <... futex resumed>) = 0 [pid 8384] mkdir("./bus", 000 [pid 8380] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8384] <... mkdir resumed>) = 0 [pid 8380] <... futex resumed>) = 0 [pid 8384] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8380] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8384] <... futex resumed>) = 0 [pid 8380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8384] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8380] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8380] <... futex resumed>) = 0 [pid 8384] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8380] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8390] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8390] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8390] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8382] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8382] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 212.552072][ T8385] REISERFS (device loop4): Using r5 hash to sort names [ 212.558638][ T8382] overlayfs: failed to resolve './file0': -2 [ 212.567506][ T8385] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 212.584023][ T8381] overlayfs: upper fs needs to support d_type. [ 212.593228][ T8384] overlayfs: upper fs needs to support d_type. [pid 8382] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8385] <... mount resumed>) = 0 [pid 8379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8379] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8379] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8379] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8391], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8391 [pid 8379] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8379] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8385] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8385] chdir("./bus") = 0 [pid 8385] ioctl(4, LOOP_CLR_FD) = 0 [pid 8385] close(4) = 0 [pid 8380] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8380] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8380] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8380] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8392], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8392 [pid 8380] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8380] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8385] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8383] <... futex resumed>) = 0 [pid 8383] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8383] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8385] <... futex resumed>) = 1 [pid 8385] mkdir("./file1", 000) = 0 [pid 8385] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8383] <... futex resumed>) = 0 [pid 8383] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8383] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8385] <... futex resumed>) = 1 [pid 8385] mkdir("./bus", 000) = 0 [pid 8385] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8383] <... futex resumed>) = 0 [pid 8385] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8383] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8383] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8392 attached [ 212.604371][ T8390] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 212.613888][ T8385] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 212.647222][ T8381] overlayfs: upper fs does not support tmpfile. [ 212.654115][ T8384] overlayfs: upper fs does not support tmpfile. [pid 8392] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8392] mkdir(".", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 8391 attached [pid 8392] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8391] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8391] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8391] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8390] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8390] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8383] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8378] <... futex resumed>) = 0 [pid 8390] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8383] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8378] exit_group(0 [pid 8390] <... futex resumed>) = ? [pid 8383] <... futex resumed>) = 0 [pid 8382] <... futex resumed>) = ? [pid 8378] <... exit_group resumed>) = ? [pid 8390] +++ exited with 0 +++ [pid 8383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8382] +++ exited with 0 +++ [pid 8383] <... mmap resumed>) = 0x7f6a509b4000 [pid 8378] +++ exited with 0 +++ [pid 8383] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8378, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8383] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 212.654337][ T8385] overlayfs: upper fs needs to support d_type. [ 212.672320][ T8381] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 212.672939][ T8385] overlayfs: upper fs does not support tmpfile. [ 212.682297][ T8384] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 212.686970][ T8385] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5000] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8383] <... clone resumed>, parent_tid=[8393], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8393 [pid 5000] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8383] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8393 attached [pid 8392] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8391] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8383] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 8393] set_robust_list(0x7f6a509d49e0, 24 [pid 8383] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] fstat(3, [pid 8393] <... set_robust_list resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8393] mkdir(".", 0777 [pid 5000] getdents64(3, [pid 8393] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8393] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5000] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8391] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8379] <... futex resumed>) = 0 [pid 8391] <... futex resumed>) = 1 [pid 8391] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8392] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8380] <... futex resumed>) = 0 [pid 8392] <... futex resumed>) = 1 [ 212.709739][ T8391] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 212.724602][ T8392] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 212.739524][ T8385] overlayfs: failed to resolve './file0': -2 [ 212.746504][ T8381] overlayfs: failed to resolve './file0': -2 [ 212.748515][ T8384] overlayfs: failed to resolve './file0': -2 [pid 8392] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8393] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8381] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8381] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8379] exit_group(0 [pid 8391] <... futex resumed>) = ? [pid 8379] <... exit_group resumed>) = ? [pid 8391] +++ exited with 0 +++ [pid 8393] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8383] <... futex resumed>) = 0 [pid 8381] <... futex resumed>) = ? [pid 8393] <... futex resumed>) = 1 [pid 8393] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8381] +++ exited with 0 +++ [pid 8379] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8379, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8385] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8384] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8384] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8385] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8384] <... futex resumed>) = 0 [pid 8385] <... futex resumed>) = 0 [pid 8384] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8385] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8383] exit_group(0 [pid 8380] exit_group(0 [pid 8393] <... futex resumed>) = ? [pid 8392] <... futex resumed>) = ? [pid 8384] <... futex resumed>) = ? [pid 8383] <... exit_group resumed>) = ? [pid 8380] <... exit_group resumed>) = ? [pid 8385] <... futex resumed>) = ? [pid 8393] +++ exited with 0 +++ [pid 8392] +++ exited with 0 +++ [pid 8385] +++ exited with 0 +++ [pid 8384] +++ exited with 0 +++ [pid 8383] +++ exited with 0 +++ [pid 8380] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8383, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8380, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5001] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 3 [pid 4997] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 4997] fstat(3, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 4997] getdents64(3, [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [ 212.756433][ T8393] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5000] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./180/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./180/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./180/bus") = 0 [pid 5000] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./180/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./180") = 0 [pid 5000] mkdir("./181", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8395 ./strace-static-x86_64: Process 8395 attached [pid 8395] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8395] chdir("./181") = 0 [pid 8395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8395] setpgid(0, 0) = 0 [pid 8395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8395] write(3, "1000", 4) = 4 [pid 8395] close(3) = 0 [pid 8395] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8395] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8395] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8395] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8396], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8396 [pid 8395] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8395] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./180/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8396 attached ) = -1 EINVAL (Invalid argument) [pid 8396] set_robust_list(0x7f6a589f59e0, 24 [pid 4998] openat(AT_FDCWD, "./180/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8396] <... set_robust_list resumed>) = 0 [pid 8396] memfd_create("syzkaller", 0 [pid 4998] <... openat resumed>) = 4 [pid 8396] <... memfd_create resumed>) = 3 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 8396] <... mmap resumed>) = 0x7f6a505d5000 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./180/bus") = 0 [pid 4998] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./180/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./180") = 0 [pid 4998] mkdir("./181", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3 [pid 4997] <... umount2 resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8397 [pid 4997] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] lstat("./179/bus", [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] lstat("./179/bus", ./strace-static-x86_64: Process 8397 attached [pid 5001] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] openat(AT_FDCWD, "./179/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... openat resumed>) = 4 [pid 4997] openat(AT_FDCWD, "./179/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8397] set_robust_list(0x5555564f86e0, 24 [pid 5001] fstat(4, [pid 4997] <... openat resumed>) = 4 [pid 8397] <... set_robust_list resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] fstat(4, [pid 5001] getdents64(4, [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, [pid 8397] chdir("./181" [pid 5001] getdents64(4, [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] getdents64(4, [pid 8397] <... chdir resumed>) = 0 [pid 5001] close(4 [pid 8397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5001] <... close resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] rmdir("./179/bus" [pid 4997] close(4 [pid 8397] setpgid(0, 0) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... close resumed>) = 0 [pid 8397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8397] write(3, "1000", 4) = 4 [pid 8397] close(3) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] rmdir("./179/bus" [pid 5001] lstat("./179/binderfs", [pid 4997] <... rmdir resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./179/binderfs" [pid 4997] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8397] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... unlink resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] lstat("./179/binderfs", [pid 5001] close(3 [pid 8397] <... symlink resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8397] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] rmdir("./179" [pid 4997] unlink("./179/binderfs" [pid 8397] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] <... rmdir resumed>) = 0 [pid 8397] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4997] <... unlink resumed>) = 0 [pid 5001] mkdir("./180", 0777 [pid 8397] <... mprotect resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4997] getdents64(3, [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8397] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... openat resumed>) = 3 [pid 4997] close(3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4997] <... close resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] rmdir("./179" [pid 5001] close(3 [pid 8397] <... clone resumed>, parent_tid=[8399], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8399 ./strace-static-x86_64: Process 8399 attached [pid 4997] <... rmdir resumed>) = 0 [pid 8396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] <... close resumed>) = 0 [pid 8399] set_robust_list(0x7f6a589f59e0, 24 [pid 8397] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] mkdir("./180", 0777 [pid 8397] <... futex resumed>) = 0 [pid 8397] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8400 [pid 8399] <... set_robust_list resumed>) = 0 [pid 8399] memfd_create("syzkaller", 0) = 3 [pid 8399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ./strace-static-x86_64: Process 8400 attached [pid 4997] ioctl(3, LOOP_CLR_FD [pid 8400] set_robust_list(0x5555564f86e0, 24) = 0 [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8400] chdir("./180" [pid 4997] close(3 [pid 8400] <... chdir resumed>) = 0 [pid 8400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8396] <... write resumed>) = 4194304 [pid 4997] <... close resumed>) = 0 [pid 8400] <... prctl resumed>) = 0 [pid 8399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8396] munmap(0x7f6a505d5000, 4194304 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8400] setpgid(0, 0 [pid 8396] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 8401 attached [pid 8400] <... setpgid resumed>) = 0 [pid 8396] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8401] set_robust_list(0x5555564f86e0, 24 [pid 8400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8396] <... openat resumed>) = 4 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8401 [pid 8401] <... set_robust_list resumed>) = 0 [pid 8400] <... openat resumed>) = 3 [pid 8396] ioctl(4, LOOP_SET_FD, 3 [pid 8401] chdir("./180" [pid 8400] write(3, "1000", 4 [pid 8396] <... ioctl resumed>) = 0 [pid 8401] <... chdir resumed>) = 0 [pid 8400] <... write resumed>) = 4 [pid 8401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8400] close(3 [pid 8401] <... prctl resumed>) = 0 [pid 8400] <... close resumed>) = 0 [pid 8401] setpgid(0, 0 [pid 8400] symlink("/dev/binderfs", "./binderfs" [pid 8401] <... setpgid resumed>) = 0 [pid 8400] <... symlink resumed>) = 0 [pid 8401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8400] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8401] <... openat resumed>) = 3 [pid 8400] <... futex resumed>) = 0 [pid 8396] close(3 [pid 8401] write(3, "1000", 4 [pid 8400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8396] <... close resumed>) = 0 [pid 8401] <... write resumed>) = 4 [pid 8400] <... mmap resumed>) = 0x7f6a589d5000 [pid 8396] mkdir("./bus", 0777 [pid 8401] close(3 [pid 8400] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8401] <... close resumed>) = 0 [pid 8400] <... mprotect resumed>) = 0 [pid 8396] <... mkdir resumed>) = 0 [pid 8401] symlink("/dev/binderfs", "./binderfs" [pid 8400] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8396] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8401] <... symlink resumed>) = 0 [pid 8401] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8400] <... clone resumed>, parent_tid=[8402], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8402 [pid 8401] <... futex resumed>) = 0 [pid 8400] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8400] <... futex resumed>) = 0 [pid 8401] <... mmap resumed>) = 0x7f6a589d5000 [pid 8400] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8401] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8401] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8404], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8404 [pid 8401] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8401] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8404 attached ./strace-static-x86_64: Process 8402 attached [pid 8399] <... write resumed>) = 4194304 [pid 8404] set_robust_list(0x7f6a589f59e0, 24 [pid 8402] set_robust_list(0x7f6a589f59e0, 24 [pid 8404] <... set_robust_list resumed>) = 0 [pid 8402] <... set_robust_list resumed>) = 0 [pid 8404] memfd_create("syzkaller", 0 [pid 8402] memfd_create("syzkaller", 0 [pid 8404] <... memfd_create resumed>) = 3 [pid 8402] <... memfd_create resumed>) = 3 [pid 8404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8404] <... mmap resumed>) = 0x7f6a505d5000 [pid 8402] <... mmap resumed>) = 0x7f6a505d5000 [ 212.988254][ T8396] loop3: detected capacity change from 0 to 8192 [ 213.005397][ T8396] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 213.018539][ T8396] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 213.028186][ T8396] REISERFS (device loop3): using ordered data mode [pid 8399] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8399] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8399] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8399] close(3) = 0 [pid 8399] mkdir("./bus", 0777 [pid 8402] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8399] <... mkdir resumed>) = 0 [pid 8399] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 213.034694][ T8396] reiserfs: using flush barriers [ 213.040838][ T8396] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 213.053157][ T8399] loop1: detected capacity change from 0 to 8192 [ 213.069516][ T8396] REISERFS (device loop3): checking transaction log (loop3) [pid 8404] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8402] <... write resumed>) = 4194304 [pid 8402] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8402] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 213.077826][ T8399] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 213.078149][ T8396] REISERFS (device loop3): Using r5 hash to sort names [ 213.103389][ T8399] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 213.114817][ T8399] REISERFS (device loop1): using ordered data mode [ 213.121448][ T8399] reiserfs: using flush barriers [ 213.123916][ T8402] loop4: detected capacity change from 0 to 8192 [pid 8402] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8404] <... write resumed>) = 4194304 [pid 8404] munmap(0x7f6a505d5000, 4194304) = 0 [ 213.127631][ T8396] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 213.145550][ T8399] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 213.162163][ T8399] REISERFS (device loop1): checking transaction log (loop1) [ 213.169852][ T8396] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 213.178284][ T8399] REISERFS (device loop1): Using r5 hash to sort names [pid 8404] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8402] close(3 [pid 8396] <... mount resumed>) = 0 [pid 8396] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8396] chdir("./bus") = 0 [pid 8396] ioctl(4, LOOP_CLR_FD) = 0 [pid 8396] close(4) = 0 [pid 8396] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8395] <... futex resumed>) = 0 [pid 8396] mkdir("./file1", 000 [pid 8395] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] <... mkdir resumed>) = 0 [pid 8395] <... futex resumed>) = 0 [pid 8396] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8395] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8396] <... futex resumed>) = 0 [pid 8395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8396] mkdir("./bus", 000 [pid 8395] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] <... mkdir resumed>) = 0 [pid 8395] <... futex resumed>) = 0 [pid 8396] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8395] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8396] <... futex resumed>) = 0 [pid 8395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8396] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8395] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8395] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8404] <... openat resumed>) = 4 [pid 8402] <... close resumed>) = 0 [pid 8402] mkdir("./bus", 0777 [pid 8404] ioctl(4, LOOP_SET_FD, 3 [pid 8402] <... mkdir resumed>) = 0 [pid 8402] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8404] <... ioctl resumed>) = 0 [pid 8404] close(3) = 0 [pid 8404] mkdir("./bus", 0777) = 0 [ 213.185935][ T8399] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 213.189998][ T8396] overlayfs: upper fs needs to support d_type. [ 213.205169][ T8396] overlayfs: upper fs does not support tmpfile. [ 213.212871][ T8396] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 213.220487][ T8404] loop0: detected capacity change from 0 to 8192 [ 213.222395][ T8396] overlayfs: failed to resolve './file0': -2 [pid 8404] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8396] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8396] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8396] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8399] <... mount resumed>) = 0 [ 213.228006][ T8399] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 213.239247][ T8404] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 213.242917][ T8402] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 213.256763][ T8404] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 213.268612][ T8402] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8395] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8399] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8395] <... futex resumed>) = 1 [pid 8399] <... openat resumed>) = 3 [pid 8396] <... futex resumed>) = 0 [pid 8395] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8399] chdir("./bus" [pid 8396] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8396] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8399] <... chdir resumed>) = 0 [pid 8399] ioctl(4, LOOP_CLR_FD) = 0 [ 213.278042][ T8404] REISERFS (device loop0): using ordered data mode [ 213.286818][ T8402] REISERFS (device loop4): using ordered data mode [ 213.300292][ T8402] reiserfs: using flush barriers [ 213.306613][ T8404] reiserfs: using flush barriers [ 213.309154][ T8396] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8399] close(4 [pid 8396] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8396] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8396] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8399] <... close resumed>) = 0 [pid 8395] <... futex resumed>) = 0 [pid 8395] exit_group(0 [pid 8399] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] <... futex resumed>) = ? [pid 8395] <... exit_group resumed>) = ? [pid 8399] <... futex resumed>) = 1 [pid 8397] <... futex resumed>) = 0 [pid 8396] +++ exited with 0 +++ [ 213.312751][ T8402] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 213.326444][ T8404] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 213.342962][ T8402] REISERFS (device loop4): checking transaction log (loop4) [ 213.365656][ T8404] REISERFS (device loop0): checking transaction log (loop0) [ 213.377407][ T8404] REISERFS (device loop0): Using r5 hash to sort names [pid 8397] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8399] mkdir("./file1", 000 [pid 8397] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8395] +++ exited with 0 +++ [pid 8399] <... mkdir resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8395, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 8404] <... mount resumed>) = 0 [pid 8404] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8404] chdir("./bus") = 0 [pid 8404] ioctl(4, LOOP_CLR_FD) = 0 [pid 8404] close(4) = 0 [pid 8399] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8404] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8399] <... futex resumed>) = 1 [pid 8397] <... futex resumed>) = 0 [pid 8397] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8397] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8404] <... futex resumed>) = 1 [pid 8404] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8399] mkdir("./bus", 000) = 0 [pid 8399] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8397] <... futex resumed>) = 0 [pid 8399] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8397] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8397] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 213.384455][ T8404] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 213.389901][ T8402] REISERFS (device loop4): Using r5 hash to sort names [ 213.403310][ T8404] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 213.404881][ T8402] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 213.427336][ T8402] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5000] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8402] <... mount resumed>) = 0 [pid 8401] <... futex resumed>) = 0 [pid 8401] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8401] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8402] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8402] chdir("./bus") = 0 [pid 8402] ioctl(4, LOOP_CLR_FD) = 0 [pid 8402] close(4) = 0 [pid 8402] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8400] <... futex resumed>) = 0 [pid 8400] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8400] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8402] <... futex resumed>) = 1 [pid 8402] mkdir("./file1", 000) = 0 [pid 8402] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8400] <... futex resumed>) = 0 [pid 8400] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8400] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8402] <... futex resumed>) = 1 [pid 8402] mkdir("./bus", 000) = 0 [pid 8402] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8400] <... futex resumed>) = 0 [pid 8400] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8400] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8402] <... futex resumed>) = 1 [pid 8402] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8404] <... futex resumed>) = 0 [pid 8404] mkdir("./file1", 000) = 0 [pid 8404] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8401] <... futex resumed>) = 0 [pid 8401] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8401] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8404] mkdir("./bus", 000) = 0 [pid 8404] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8401] <... futex resumed>) = 0 [pid 8401] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8401] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8404] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8397] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8397] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8400] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8400] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8400] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8400] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8409], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8409 [pid 8400] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8400] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8397] <... mmap resumed>) = 0x7f6a509b4000 [pid 8397] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8397] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8410], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8410 [ 213.435365][ T8399] overlayfs: upper fs needs to support d_type. [ 213.443962][ T8399] overlayfs: upper fs does not support tmpfile. [ 213.451053][ T8402] overlayfs: upper fs needs to support d_type. [ 213.464913][ T8402] overlayfs: upper fs does not support tmpfile. [ 213.469256][ T8399] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 213.482090][ T8404] overlayfs: upper fs needs to support d_type. [pid 8397] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8397] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8409 attached [pid 8409] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8409] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5000] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8409] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5000] lstat("./181/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./181/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./181/bus") = 0 [pid 5000] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./181/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./181") = 0 [pid 5000] mkdir("./182", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8410 attached [ 213.500223][ T8402] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 213.514396][ T8399] overlayfs: failed to resolve './file0': -2 [ 213.520891][ T8404] overlayfs: upper fs does not support tmpfile. [ 213.529364][ T8409] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8410] set_robust_list(0x7f6a509d49e0, 24 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8411 ./strace-static-x86_64: Process 8411 attached [pid 8411] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8411] chdir("./182") = 0 [pid 8411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8411] setpgid(0, 0) = 0 [pid 8411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8401] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8411] write(3, "1000", 4 [pid 8410] <... set_robust_list resumed>) = 0 [pid 8411] <... write resumed>) = 4 [pid 8410] mkdir(".", 0777 [pid 8401] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8399] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8410] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8411] close(3) = 0 [pid 8411] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8411] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8411] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8410] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8401] <... mmap resumed>) = 0x7f6a509b4000 [pid 8399] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8411] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8412], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8412 [pid 8411] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8411] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8409] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8401] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8399] <... futex resumed>) = 0 [pid 8409] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8400] <... futex resumed>) = 0 [pid 8399] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8409] <... futex resumed>) = 1 [pid 8409] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8401] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 8412 attached [pid 8412] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8412] memfd_create("syzkaller", 0 [pid 8401] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8412] <... memfd_create resumed>) = 3 [pid 8412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8401] <... clone resumed>, parent_tid=[8413], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8413 [pid 8401] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8401] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8402] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8402] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8402] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8400] exit_group(0 [pid 8409] <... futex resumed>) = ? [pid 8400] <... exit_group resumed>) = ? [pid 8409] +++ exited with 0 +++ ./strace-static-x86_64: Process 8413 attached [pid 8402] <... futex resumed>) = ? [pid 8413] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8413] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8402] +++ exited with 0 +++ [pid 8400] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8400, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8413] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 213.534427][ T8404] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 213.548055][ T8402] overlayfs: failed to resolve './file0': -2 [ 213.567216][ T8410] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 213.578591][ T8404] overlayfs: failed to resolve './file0': -2 [pid 5001] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8412] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8410] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8410] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8410] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8397] <... futex resumed>) = 0 [pid 8397] exit_group(0 [pid 8410] <... futex resumed>) = ? [pid 8399] <... futex resumed>) = ? [pid 8397] <... exit_group resumed>) = ? [pid 8410] +++ exited with 0 +++ [pid 8399] +++ exited with 0 +++ [pid 8397] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8397, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 4998] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8404] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4998] getdents64(3, [pid 8404] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8404] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8412] <... write resumed>) = 4194304 [pid 8412] munmap(0x7f6a505d5000, 4194304 [pid 8413] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8413] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] <... munmap resumed>) = 0 [pid 8412] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8412] ioctl(4, LOOP_SET_FD, 3 [pid 8413] <... futex resumed>) = 1 [pid 8401] <... futex resumed>) = 0 [pid 8412] <... ioctl resumed>) = 0 [pid 8412] close(3) = 0 [pid 8412] mkdir("./bus", 0777) = 0 [pid 8412] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8401] exit_group(0 [pid 8413] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8404] <... futex resumed>) = ? [pid 8401] <... exit_group resumed>) = ? [pid 8404] +++ exited with 0 +++ [pid 8413] <... futex resumed>) = ? [pid 8413] +++ exited with 0 +++ [pid 8401] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8401, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 4997] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] lstat("./180/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./180/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./180/bus") = 0 [pid 5001] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 213.634604][ T8413] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 213.673673][ T8412] loop3: detected capacity change from 0 to 8192 [pid 5001] unlink("./180/binderfs") = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./181/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] openat(AT_FDCWD, "./181/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] close(3 [pid 4998] <... openat resumed>) = 4 [pid 5001] <... close resumed>) = 0 [pid 4998] fstat(4, [pid 5001] rmdir("./180" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] getdents64(4, [pid 5001] mkdir("./181", 0777 [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] <... mkdir resumed>) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] close(4 [pid 5001] <... openat resumed>) = 3 [pid 4998] <... close resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4998] rmdir("./181/bus" [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] <... rmdir resumed>) = 0 [pid 5001] close(3 [pid 4998] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... close resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8415 [pid 4998] unlink("./181/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./181") = 0 [pid 4998] mkdir("./182", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8416 [ 213.699239][ T8412] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 213.735380][ T8412] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal ./strace-static-x86_64: Process 8416 attached [pid 8416] set_robust_list(0x5555564f86e0, 24) = 0 ./strace-static-x86_64: Process 8415 attached [pid 8416] chdir("./182") = 0 [pid 8415] set_robust_list(0x5555564f86e0, 24 [pid 8416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8416] setpgid(0, 0) = 0 [pid 8416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8416] write(3, "1000", 4) = 4 [pid 8416] close(3) = 0 [pid 8415] <... set_robust_list resumed>) = 0 [pid 8415] chdir("./181" [pid 8416] symlink("/dev/binderfs", "./binderfs" [pid 8415] <... chdir resumed>) = 0 [pid 8416] <... symlink resumed>) = 0 [pid 8415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8415] setpgid(0, 0) = 0 [pid 8415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8416] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8416] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8415] <... openat resumed>) = 3 [pid 8415] write(3, "1000", 4) = 4 [pid 8415] close(3) = 0 [pid 8415] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8416] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8415] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8416] <... clone resumed>, parent_tid=[8417], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8417 [pid 8416] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8415] <... mmap resumed>) = 0x7f6a589d5000 [pid 8416] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8415] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8415] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8418], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8418 [pid 8415] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8415] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8417 attached [pid 8417] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8417] memfd_create("syzkaller", 0) = 3 [pid 8417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 ./strace-static-x86_64: Process 8418 attached [pid 4997] <... umount2 resumed>) = 0 [pid 8418] set_robust_list(0x7f6a589f59e0, 24) = 0 [ 213.745527][ T8412] REISERFS (device loop3): using ordered data mode [ 213.754439][ T8412] reiserfs: using flush barriers [ 213.763442][ T8412] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 213.780838][ T8412] REISERFS (device loop3): checking transaction log (loop3) [ 213.793096][ T8412] REISERFS (device loop3): Using r5 hash to sort names [pid 4997] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8418] memfd_create("syzkaller", 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8418] <... memfd_create resumed>) = 3 [pid 4997] lstat("./180/bus", [pid 8418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8418] <... mmap resumed>) = 0x7f6a505d5000 [pid 4997] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./180/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./180/bus") = 0 [pid 4997] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./180/binderfs", [pid 8418] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8417] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] unlink("./180/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./180") = 0 [pid 4997] mkdir("./181", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8419 [pid 8417] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 8419 attached [pid 8417] munmap(0x7f6a505d5000, 4194304 [pid 8412] <... mount resumed>) = 0 [pid 8417] <... munmap resumed>) = 0 [pid 8419] set_robust_list(0x5555564f86e0, 24 [pid 8412] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8419] <... set_robust_list resumed>) = 0 [pid 8417] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8412] <... openat resumed>) = 3 [pid 8417] <... openat resumed>) = 4 [pid 8412] chdir("./bus" [pid 8419] chdir("./181" [pid 8417] ioctl(4, LOOP_SET_FD, 3 [pid 8412] <... chdir resumed>) = 0 [ 213.803322][ T8412] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 213.822365][ T8412] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8419] <... chdir resumed>) = 0 [pid 8419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8412] ioctl(4, LOOP_CLR_FD [pid 8419] <... prctl resumed>) = 0 [pid 8417] <... ioctl resumed>) = 0 [pid 8419] setpgid(0, 0 [pid 8412] <... ioctl resumed>) = 0 [pid 8419] <... setpgid resumed>) = 0 [pid 8417] close(3 [pid 8412] close(4) = 0 [pid 8419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8412] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8411] <... futex resumed>) = 0 [pid 8419] <... openat resumed>) = 3 [pid 8412] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8411] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8419] write(3, "1000", 4 [pid 8417] <... close resumed>) = 0 [pid 8412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8411] <... futex resumed>) = 0 [pid 8419] <... write resumed>) = 4 [pid 8417] mkdir("./bus", 0777 [pid 8412] mkdir("./file1", 000 [pid 8411] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8419] close(3 [pid 8417] <... mkdir resumed>) = 0 [pid 8412] <... mkdir resumed>) = 0 [pid 8419] <... close resumed>) = 0 [pid 8417] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8412] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8419] symlink("/dev/binderfs", "./binderfs" [pid 8412] <... futex resumed>) = 1 [pid 8419] <... symlink resumed>) = 0 [pid 8412] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8419] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8419] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8419] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8411] <... futex resumed>) = 0 [pid 8419] <... clone resumed>, parent_tid=[8420], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8420 [pid 8411] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8419] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] <... futex resumed>) = 0 [pid 8411] <... futex resumed>) = 1 [pid 8419] <... futex resumed>) = 0 [pid 8412] mkdir("./bus", 000 [pid 8411] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8419] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8412] <... mkdir resumed>) = 0 [pid 8412] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8411] <... futex resumed>) = 0 [pid 8412] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8411] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8411] <... futex resumed>) = 0 [pid 8412] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8411] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8420 attached [pid 8418] <... write resumed>) = 4194304 [pid 8420] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8420] memfd_create("syzkaller", 0) = 3 [pid 8420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8418] munmap(0x7f6a505d5000, 4194304) = 0 [ 213.865574][ T8417] loop1: detected capacity change from 0 to 8192 [ 213.890617][ T8412] overlayfs: upper fs needs to support d_type. [ 213.897070][ T8412] overlayfs: upper fs does not support tmpfile. [ 213.904518][ T8412] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8418] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8418] ioctl(4, LOOP_SET_FD, 3 [pid 8412] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8420] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8418] <... ioctl resumed>) = 0 [pid 8412] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8411] <... futex resumed>) = 0 [pid 8418] close(3 [pid 8412] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8418] <... close resumed>) = 0 [pid 8411] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8418] mkdir("./bus", 0777) = 0 [pid 8412] <... futex resumed>) = 0 [pid 8411] <... futex resumed>) = 1 [pid 8418] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8412] mkdir(".", 0777 [pid 8411] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8412] <... mkdir resumed>) = -1 EEXIST (File exists) [ 213.913204][ T8412] overlayfs: failed to resolve './file0': -2 [ 213.918534][ T8418] loop4: detected capacity change from 0 to 8192 [ 213.926337][ T8417] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 213.941620][ T8417] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 213.952078][ T8417] REISERFS (device loop1): using ordered data mode [ 213.952559][ T8418] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 213.960015][ T8417] reiserfs: using flush barriers [ 213.980082][ T8418] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 213.980955][ T8412] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 213.989667][ T8418] REISERFS (device loop4): using ordered data mode [pid 8412] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 8412] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8420] <... write resumed>) = 4194304 [pid 8420] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 214.004422][ T8417] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 214.010889][ T8418] reiserfs: using flush barriers [ 214.032858][ T8418] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 214.033457][ T8417] REISERFS (device loop1): checking transaction log (loop1) [ 214.054945][ T8420] loop0: detected capacity change from 0 to 8192 [pid 8420] ioctl(4, LOOP_SET_FD, 3 [pid 8412] <... futex resumed>) = 1 [pid 8411] <... futex resumed>) = 0 [pid 8420] <... ioctl resumed>) = 0 [pid 8412] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8411] exit_group(0 [pid 8412] <... futex resumed>) = ? [pid 8411] <... exit_group resumed>) = ? [pid 8412] +++ exited with 0 +++ [pid 8411] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8411, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5000] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8420] close(3) = 0 [pid 8420] mkdir("./bus", 0777) = 0 [pid 8420] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8417] <... mount resumed>) = 0 [pid 8417] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8417] chdir("./bus") = 0 [pid 8417] ioctl(4, LOOP_CLR_FD) = 0 [ 214.057113][ T8418] REISERFS (device loop4): checking transaction log (loop4) [ 214.063875][ T8417] REISERFS (device loop1): Using r5 hash to sort names [ 214.078225][ T8418] REISERFS (device loop4): Using r5 hash to sort names [ 214.081222][ T8417] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 214.099784][ T8417] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8417] close(4) = 0 [pid 8417] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8416] <... futex resumed>) = 0 [pid 8416] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8416] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8417] <... futex resumed>) = 1 [pid 8417] mkdir("./file1", 000) = 0 [pid 8417] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8416] <... futex resumed>) = 0 [pid 8416] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8416] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8417] <... futex resumed>) = 1 [pid 8417] mkdir("./bus", 000) = 0 [pid 8418] <... mount resumed>) = 0 [pid 5000] <... umount2 resumed>) = 0 [ 214.101612][ T8418] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 214.130900][ T8420] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 214.152533][ T8418] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8418] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5000] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8417] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8416] <... futex resumed>) = 0 [pid 8416] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8416] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8417] <... futex resumed>) = 1 [pid 8417] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8418] <... openat resumed>) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8418] chdir("./bus" [pid 5000] lstat("./182/bus", [pid 8418] <... chdir resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8418] ioctl(4, LOOP_CLR_FD [pid 5000] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8418] <... ioctl resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8418] close(4 [pid 5000] openat(AT_FDCWD, "./182/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8418] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 4 [pid 8418] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] fstat(4, [pid 8418] <... futex resumed>) = 1 [pid 8415] <... futex resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8418] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8415] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] getdents64(4, [pid 8418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8415] <... futex resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8418] mkdir("./file1", 000 [pid 8415] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] getdents64(4, [pid 8418] <... mkdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8418] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(4 [pid 8418] <... futex resumed>) = 1 [pid 8415] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 8418] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8415] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] rmdir("./182/bus" [pid 8418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8415] <... futex resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 8418] mkdir("./bus", 000 [pid 8415] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8418] <... mkdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8418] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] lstat("./182/binderfs", [pid 8418] <... futex resumed>) = 1 [pid 8415] <... futex resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8418] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8415] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] unlink("./182/binderfs" [pid 8418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8415] <... futex resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 8418] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 214.162288][ T8420] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 214.171929][ T8420] REISERFS (device loop0): using ordered data mode [ 214.180694][ T8420] reiserfs: using flush barriers [ 214.182866][ T8417] overlayfs: upper fs needs to support d_type. [ 214.186664][ T8420] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 214.209303][ T8418] overlayfs: upper fs needs to support d_type. [pid 8415] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] getdents64(3, [pid 8416] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8416] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 8416] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 8416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] rmdir("./182" [pid 8416] <... mmap resumed>) = 0x7f6a509b4000 [pid 5000] <... rmdir resumed>) = 0 [pid 8416] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5000] mkdir("./183", 0777 [pid 8416] <... mprotect resumed>) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 8416] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 8416] <... clone resumed>, parent_tid=[8424], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8424 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 8416] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8416] <... futex resumed>) = 0 [pid 5000] close(3 [pid 8416] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8425 ./strace-static-x86_64: Process 8425 attached ./strace-static-x86_64: Process 8424 attached [pid 8425] set_robust_list(0x5555564f86e0, 24 [pid 8424] set_robust_list(0x7f6a509d49e0, 24 [pid 8420] <... mount resumed>) = 0 [pid 8415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8415] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8415] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8415] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8426], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8426 [pid 8415] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8415] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8426 attached [pid 8425] <... set_robust_list resumed>) = 0 [pid 8424] <... set_robust_list resumed>) = 0 [pid 8426] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8425] chdir("./183" [pid 8424] mkdir(".", 0777) = -1 EEXIST (File exists) [ 214.209426][ T8420] REISERFS (device loop0): checking transaction log (loop0) [ 214.215483][ T8418] overlayfs: upper fs does not support tmpfile. [ 214.223562][ T8420] REISERFS (device loop0): Using r5 hash to sort names [ 214.236449][ T8420] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 214.249336][ T8420] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 214.258983][ T8417] overlayfs: upper fs does not support tmpfile. [pid 8424] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8426] mkdir(".", 0777 [pid 8425] <... chdir resumed>) = 0 [pid 8420] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8426] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8426] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8425] <... prctl resumed>) = 0 [pid 8425] setpgid(0, 0) = 0 [pid 8425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8425] write(3, "1000", 4) = 4 [pid 8420] <... openat resumed>) = 3 [pid 8425] close(3) = 0 [pid 8424] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8425] symlink("/dev/binderfs", "./binderfs" [pid 8424] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8425] <... symlink resumed>) = 0 [pid 8424] <... futex resumed>) = 1 [pid 8416] <... futex resumed>) = 0 [pid 8425] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8424] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8425] <... futex resumed>) = 0 [pid 8425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8425] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8425] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8420] chdir("./bus" [pid 8425] <... clone resumed>, parent_tid=[8427], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8427 [pid 8425] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8425] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8427 attached [pid 8427] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8427] memfd_create("syzkaller", 0) = 3 [pid 8427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8420] <... chdir resumed>) = 0 [pid 8417] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 214.266315][ T8417] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 214.273203][ T8424] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 214.287532][ T8418] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 214.296295][ T8426] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 214.308126][ T8417] overlayfs: failed to resolve './file0': -2 [pid 8420] ioctl(4, LOOP_CLR_FD [pid 8417] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8426] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8416] exit_group(0 [pid 8424] <... futex resumed>) = ? [pid 8420] <... ioctl resumed>) = 0 [pid 8418] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8417] <... futex resumed>) = ? [pid 8416] <... exit_group resumed>) = ? [pid 8426] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8424] +++ exited with 0 +++ [pid 8420] close(4 [pid 8418] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8417] +++ exited with 0 +++ [pid 8416] +++ exited with 0 +++ [pid 8426] <... futex resumed>) = 1 [pid 8420] <... close resumed>) = 0 [pid 8418] <... futex resumed>) = 0 [pid 8415] <... futex resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8416, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 8418] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8415] exit_group(0 [pid 8418] <... futex resumed>) = ? [pid 8415] <... exit_group resumed>) = ? [pid 8418] +++ exited with 0 +++ [pid 4998] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8420] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8426] +++ exited with 0 +++ [pid 8415] +++ exited with 0 +++ [pid 8420] <... futex resumed>) = 1 [pid 4998] getdents64(3, [pid 8419] <... futex resumed>) = 0 [pid 8420] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8419] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8415, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 4998] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8420] mkdir("./file1", 000 [pid 8419] <... futex resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 8420] <... mkdir resumed>) = 0 [pid 8419] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8420] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... restart_syscall resumed>) = 0 [pid 8420] <... futex resumed>) = 0 [pid 8419] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8420] mkdir("./bus", 000 [pid 8419] <... futex resumed>) = 0 [pid 8420] <... mkdir resumed>) = 0 [pid 8419] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8420] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8420] <... futex resumed>) = 0 [pid 8419] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8420] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8419] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 214.328634][ T8418] overlayfs: failed to resolve './file0': -2 [pid 8419] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 214.370494][ T8420] overlayfs: upper fs needs to support d_type. [ 214.377092][ T8420] overlayfs: upper fs does not support tmpfile. [ 214.384320][ T8420] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5001] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8419] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8419] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8419] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8419] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8428], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8428 [pid 8419] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8419] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8428 attached [pid 8428] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8428] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8428] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8427] <... write resumed>) = 4194304 [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./182/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8427] munmap(0x7f6a505d5000, 4194304 [pid 4998] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./182/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8427] <... munmap resumed>) = 0 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 8427] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8427] ioctl(4, LOOP_SET_FD, 3 [pid 4998] getdents64(4, [pid 8427] <... ioctl resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./182/bus") = 0 [pid 4998] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8420] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8420] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8420] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] unlink("./182/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./182") = 0 [pid 4998] mkdir("./183", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8429 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./181/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./181/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./181/bus") = 0 [pid 5001] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./181/binderfs"./strace-static-x86_64: Process 8429 attached [pid 8429] set_robust_list(0x5555564f86e0, 24 [pid 5001] <... unlink resumed>) = 0 [pid 8429] <... set_robust_list resumed>) = 0 [pid 8429] chdir("./183" [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 8429] <... chdir resumed>) = 0 [pid 5001] rmdir("./181" [pid 8429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8428] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8427] close(3 [pid 8429] <... prctl resumed>) = 0 [pid 8429] setpgid(0, 0) = 0 [pid 8428] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8427] <... close resumed>) = 0 [pid 8428] <... futex resumed>) = 1 [pid 8427] mkdir("./bus", 0777 [pid 8419] <... futex resumed>) = 0 [pid 8419] exit_group(0 [pid 8420] <... futex resumed>) = ? [pid 8419] <... exit_group resumed>) = ? [pid 8427] <... mkdir resumed>) = 0 [pid 8420] +++ exited with 0 +++ [pid 5001] <... rmdir resumed>) = 0 [pid 8427] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8429] write(3, "1000", 4) = 4 [pid 8429] close(3) = 0 [pid 8429] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] mkdir("./182", 0777 [pid 8429] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 5001] <... mkdir resumed>) = 0 [ 214.420063][ T8420] overlayfs: failed to resolve './file0': -2 [ 214.447579][ T8427] loop3: detected capacity change from 0 to 8192 [ 214.455227][ T8428] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8429] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8429] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8431], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8431 [pid 8429] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8429] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8428] +++ exited with 0 +++ [pid 8419] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8419, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- ./strace-static-x86_64: Process 8431 attached [pid 8431] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8431] memfd_create("syzkaller", 0 [pid 4997] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8431] <... memfd_create resumed>) = 3 [pid 8431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8432 ./strace-static-x86_64: Process 8432 attached [pid 8432] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8432] chdir("./182") = 0 [pid 8432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8432] setpgid(0, 0) = 0 [pid 8432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8432] write(3, "1000", 4) = 4 [pid 8432] close(3) = 0 [pid 8432] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8432] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8432] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8432] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8433], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8433 [pid 8432] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 214.491274][ T8427] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 214.504875][ T8427] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 214.514574][ T8427] REISERFS (device loop3): using ordered data mode [ 214.523585][ T8427] reiserfs: using flush barriers [pid 8432] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8433 attached [pid 8433] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8433] memfd_create("syzkaller", 0) = 3 [pid 8433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8431] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./181/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 214.536822][ T8427] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 214.554733][ T8427] REISERFS (device loop3): checking transaction log (loop3) [ 214.568390][ T8427] REISERFS (device loop3): Using r5 hash to sort names [ 214.576489][ T8427] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 4997] openat(AT_FDCWD, "./181/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 8427] <... mount resumed>) = 0 [pid 8427] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 8427] chdir("./bus" [pid 4997] close(4 [pid 8427] <... chdir resumed>) = 0 [pid 8427] ioctl(4, LOOP_CLR_FD [pid 4997] <... close resumed>) = 0 [pid 8427] <... ioctl resumed>) = 0 [pid 4997] rmdir("./181/bus" [pid 8427] close(4) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 8427] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8427] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8433] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8425] <... futex resumed>) = 0 [pid 8425] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8427] <... futex resumed>) = 0 [pid 8425] <... futex resumed>) = 1 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8427] mkdir("./file1", 000 [pid 8425] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] lstat("./181/binderfs", [pid 8427] <... mkdir resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8427] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] unlink("./181/binderfs" [pid 8427] <... futex resumed>) = 1 [pid 8427] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8425] <... futex resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 8425] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] getdents64(3, [pid 8425] <... futex resumed>) = 0 [pid 8427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8425] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8427] mkdir("./bus", 000) = 0 [pid 4997] close(3 [pid 8427] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./181" [pid 8427] <... futex resumed>) = 1 [pid 8427] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] <... rmdir resumed>) = 0 [pid 8425] <... futex resumed>) = 0 [pid 8425] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] mkdir("./182", 0777 [pid 8425] <... futex resumed>) = 1 [pid 8427] <... futex resumed>) = 0 [pid 8425] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8427] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 4997] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8434 ./strace-static-x86_64: Process 8434 attached [pid 8434] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8434] chdir("./182") = 0 [pid 8434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8434] setpgid(0, 0) = 0 [pid 8434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8434] write(3, "1000", 4) = 4 [pid 8434] close(3) = 0 [pid 8434] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8434] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8434] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8434] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8435], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8435 [pid 8434] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 214.591027][ T8427] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 214.621103][ T8427] overlayfs: upper fs needs to support d_type. [ 214.633615][ T8427] overlayfs: upper fs does not support tmpfile. [pid 8434] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8435 attached [pid 8431] <... write resumed>) = 4194304 [pid 8435] set_robust_list(0x7f6a589f59e0, 24 [pid 8431] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8435] <... set_robust_list resumed>) = 0 [pid 8431] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8425] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8425] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] <... openat resumed>) = 4 [pid 8435] memfd_create("syzkaller", 0 [pid 8431] ioctl(4, LOOP_SET_FD, 3 [pid 8425] <... futex resumed>) = 0 [pid 8425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8425] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8435] <... memfd_create resumed>) = 3 [pid 8431] <... ioctl resumed>) = 0 [pid 8435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8431] close(3 [pid 8425] <... mprotect resumed>) = 0 [pid 8425] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8435] <... mmap resumed>) = 0x7f6a505d5000 [pid 8425] <... clone resumed>, parent_tid=[8436], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8436 [pid 8433] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 8436 attached [pid 8436] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8436] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8433] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8433] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8433] ioctl(4, LOOP_SET_FD, 3 [pid 8431] <... close resumed>) = 0 [pid 8425] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] mkdir("./bus", 0777 [pid 8425] <... futex resumed>) = 1 [pid 8425] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8436] <... futex resumed>) = 0 [pid 8431] <... mkdir resumed>) = 0 [pid 8436] mkdir(".", 0777 [pid 8427] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8436] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8436] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8431] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8427] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8427] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [ 214.659993][ T8427] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 214.672089][ T8427] overlayfs: failed to resolve './file0': -2 [ 214.672458][ T8431] loop1: detected capacity change from 0 to 8192 [ 214.694339][ T8433] loop4: detected capacity change from 0 to 8192 [pid 8435] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8433] <... ioctl resumed>) = 0 [pid 8433] close(3) = 0 [pid 8433] mkdir("./bus", 0777) = 0 [pid 8433] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8435] <... write resumed>) = 4194304 [pid 8435] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8435] ioctl(4, LOOP_SET_FD, 3 [pid 8436] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8435] <... ioctl resumed>) = 0 [pid 8435] close(3) = 0 [pid 8435] mkdir("./bus", 0777) = 0 [pid 8435] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8436] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8425] <... futex resumed>) = 0 [pid 8436] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [ 214.709278][ T8436] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 214.724922][ T8431] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 214.738770][ T8431] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 214.741764][ T8435] loop0: detected capacity change from 0 to 8192 [pid 8425] exit_group(0 [pid 8436] <... futex resumed>) = ? [pid 8427] <... futex resumed>) = ? [pid 8425] <... exit_group resumed>) = ? [pid 8436] +++ exited with 0 +++ [pid 8427] +++ exited with 0 +++ [pid 8425] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8425, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5000] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 214.748794][ T8431] REISERFS (device loop1): using ordered data mode [ 214.761981][ T8431] reiserfs: using flush barriers [ 214.767023][ T8433] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 214.767071][ T8433] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 214.767196][ T8433] REISERFS (device loop4): using ordered data mode [ 214.767213][ T8433] reiserfs: using flush barriers [ 214.767980][ T8433] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 214.781268][ T8435] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 214.790477][ T8433] REISERFS (device loop4): checking transaction log (loop4) [ 214.796230][ T8435] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 214.808440][ T8433] REISERFS (device loop4): Using r5 hash to sort names [ 214.818407][ T8435] REISERFS (device loop0): using ordered data mode [ 214.842582][ T8431] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 214.847838][ T8435] reiserfs: using flush barriers [ 214.882499][ T8433] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 214.895250][ T8435] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 214.911801][ T8435] REISERFS (device loop0): checking transaction log (loop0) [ 214.918267][ T8431] REISERFS (device loop1): checking transaction log (loop1) [ 214.919822][ T8435] REISERFS (device loop0): Using r5 hash to sort names [ 214.933494][ T8435] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 214.934472][ T8431] REISERFS (device loop1): Using r5 hash to sort names [ 214.946189][ T8435] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5000] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5000] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./183/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./183/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, [pid 8435] <... mount resumed>) = 0 [pid 8433] <... mount resumed>) = 0 [pid 8435] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8433] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./183/bus") = 0 [pid 5000] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./183/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./183") = 0 [pid 5000] mkdir("./184", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 8435] <... openat resumed>) = 3 [pid 8433] <... openat resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8435] chdir("./bus" [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8440 [pid 8433] chdir("./bus"./strace-static-x86_64: Process 8440 attached [pid 8435] <... chdir resumed>) = 0 [pid 8433] <... chdir resumed>) = 0 [pid 8431] <... mount resumed>) = 0 [pid 8440] set_robust_list(0x5555564f86e0, 24 [pid 8435] ioctl(4, LOOP_CLR_FD [pid 8433] ioctl(4, LOOP_CLR_FD [pid 8431] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8440] <... set_robust_list resumed>) = 0 [pid 8435] <... ioctl resumed>) = 0 [pid 8433] <... ioctl resumed>) = 0 [pid 8431] <... openat resumed>) = 3 [pid 8440] chdir("./184" [pid 8435] close(4 [pid 8433] close(4 [pid 8431] chdir("./bus" [pid 8440] <... chdir resumed>) = 0 [pid 8435] <... close resumed>) = 0 [pid 8433] <... close resumed>) = 0 [pid 8431] <... chdir resumed>) = 0 [pid 8440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8435] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] ioctl(4, LOOP_CLR_FD [pid 8440] <... prctl resumed>) = 0 [pid 8435] <... futex resumed>) = 1 [pid 8434] <... futex resumed>) = 0 [pid 8433] <... futex resumed>) = 1 [pid 8432] <... futex resumed>) = 0 [pid 8431] <... ioctl resumed>) = 0 [pid 8440] setpgid(0, 0 [pid 8435] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8434] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8432] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] close(4 [pid 8440] <... setpgid resumed>) = 0 [pid 8435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8434] <... futex resumed>) = 0 [pid 8433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8432] <... futex resumed>) = 0 [pid 8431] <... close resumed>) = 0 [pid 8440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8435] mkdir("./file1", 000 [pid 8434] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8433] mkdir("./file1", 000 [pid 8432] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8431] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8440] <... openat resumed>) = 3 [pid 8435] <... mkdir resumed>) = 0 [pid 8433] <... mkdir resumed>) = 0 [pid 8431] <... futex resumed>) = 1 [pid 8429] <... futex resumed>) = 0 [pid 8440] write(3, "1000", 4 [pid 8435] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8429] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8440] <... write resumed>) = 4 [pid 8435] <... futex resumed>) = 1 [pid 8434] <... futex resumed>) = 0 [pid 8433] <... futex resumed>) = 1 [pid 8432] <... futex resumed>) = 0 [pid 8431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8429] <... futex resumed>) = 0 [pid 8440] close(3 [pid 8435] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8434] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8432] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] mkdir("./file1", 000 [pid 8429] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8440] <... close resumed>) = 0 [pid 8435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8434] <... futex resumed>) = 0 [pid 8433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8432] <... futex resumed>) = 0 [pid 8431] <... mkdir resumed>) = 0 [pid 8440] symlink("/dev/binderfs", "./binderfs" [pid 8435] mkdir("./bus", 000 [pid 8434] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8433] mkdir("./bus", 000 [pid 8432] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8431] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8440] <... symlink resumed>) = 0 [pid 8435] <... mkdir resumed>) = 0 [pid 8433] <... mkdir resumed>) = 0 [pid 8431] <... futex resumed>) = 1 [pid 8429] <... futex resumed>) = 0 [pid 8440] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8435] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8429] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8440] <... futex resumed>) = 0 [pid 8435] <... futex resumed>) = 1 [pid 8434] <... futex resumed>) = 0 [pid 8433] <... futex resumed>) = 1 [pid 8432] <... futex resumed>) = 0 [pid 8431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8429] <... futex resumed>) = 0 [pid 8440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8435] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8434] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8432] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] mkdir("./bus", 000 [pid 8429] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8440] <... mmap resumed>) = 0x7f6a589d5000 [pid 8435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8434] <... futex resumed>) = 0 [pid 8433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8432] <... futex resumed>) = 0 [pid 8431] <... mkdir resumed>) = 0 [ 214.962658][ T8433] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 214.973429][ T8431] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 214.987458][ T8431] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8440] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8435] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8434] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8433] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8432] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8431] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8440] <... mprotect resumed>) = 0 [pid 8431] <... futex resumed>) = 1 [pid 8429] <... futex resumed>) = 0 [pid 8440] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8431] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8429] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8429] <... futex resumed>) = 0 [pid 8440] <... clone resumed>, parent_tid=[8441], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8441 [pid 8431] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8429] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8440] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8440] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8441 attached [pid 8441] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8441] memfd_create("syzkaller", 0) = 3 [pid 8434] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8434] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8432] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8441] <... mmap resumed>) = 0x7f6a505d5000 [pid 8434] <... futex resumed>) = 0 [pid 8432] <... mmap resumed>) = 0x7f6a509b4000 [pid 8434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8432] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8432] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8429] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8432] <... clone resumed>, parent_tid=[8442], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8442 [pid 8429] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8432] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8429] <... futex resumed>) = 0 [pid 8432] <... futex resumed>) = 0 [pid 8429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8432] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8429] <... mmap resumed>) = 0x7f6a509b4000 [pid 8429] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8429] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8443], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8443 [pid 8429] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 215.016053][ T8433] overlayfs: upper fs needs to support d_type. [ 215.016081][ T8435] overlayfs: upper fs needs to support d_type. [ 215.024337][ T8433] overlayfs: upper fs does not support tmpfile. [ 215.035473][ T8431] overlayfs: upper fs needs to support d_type. [ 215.042251][ T8435] overlayfs: upper fs does not support tmpfile. [ 215.043225][ T8433] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 215.054995][ T8435] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8429] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8434] <... mmap resumed>) = 0x7f6a509b4000 ./strace-static-x86_64: Process 8442 attached [pid 8442] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8434] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8442] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8434] <... mprotect resumed>) = 0 [pid 8442] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8434] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8444], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8444 [pid 8434] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8434] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8443 attached ./strace-static-x86_64: Process 8444 attached [ 215.077566][ T8431] overlayfs: upper fs does not support tmpfile. [ 215.084349][ T8431] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 215.100675][ T8442] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 215.108532][ T8435] overlayfs: failed to resolve './file0': -2 [ 215.116542][ T8431] overlayfs: failed to resolve './file0': -2 [pid 8444] set_robust_list(0x7f6a509d49e0, 24 [pid 8443] set_robust_list(0x7f6a509d49e0, 24 [pid 8441] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8442] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8442] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8432] <... futex resumed>) = 0 [pid 8442] <... futex resumed>) = 1 [pid 8442] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8444] <... set_robust_list resumed>) = 0 [pid 8443] <... set_robust_list resumed>) = 0 [pid 8444] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8444] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8443] mkdir(".", 0777 [pid 8441] <... write resumed>) = 4194304 [pid 8443] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8443] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8444] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8441] munmap(0x7f6a505d5000, 4194304 [pid 8444] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8444] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8441] <... munmap resumed>) = 0 [pid 8441] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8441] ioctl(4, LOOP_SET_FD, 3 [pid 8443] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8434] <... futex resumed>) = 0 [pid 8443] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8429] <... futex resumed>) = 0 [pid 8443] <... futex resumed>) = 1 [ 215.129245][ T8433] overlayfs: failed to resolve './file0': -2 [ 215.145791][ T8444] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 215.159484][ T8443] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8443] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8435] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8433] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8441] <... ioctl resumed>) = 0 [pid 8435] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8435] <... futex resumed>) = 0 [pid 8433] <... futex resumed>) = 0 [pid 8431] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8435] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8433] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8431] <... futex resumed>) = 0 [pid 8431] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8441] close(3 [pid 8432] exit_group(0 [pid 8434] exit_group(0 [pid 8444] <... futex resumed>) = ? [pid 8442] <... futex resumed>) = ? [pid 8435] <... futex resumed>) = ? [pid 8434] <... exit_group resumed>) = ? [pid 8433] <... futex resumed>) = ? [pid 8432] <... exit_group resumed>) = ? [pid 8444] +++ exited with 0 +++ [pid 8442] +++ exited with 0 +++ [pid 8441] <... close resumed>) = 0 [pid 8435] +++ exited with 0 +++ [pid 8433] +++ exited with 0 +++ [pid 8441] mkdir("./bus", 0777) = 0 [pid 8441] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8434] +++ exited with 0 +++ [pid 8432] +++ exited with 0 +++ [pid 8429] exit_group(0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8432, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 8431] <... futex resumed>) = ? [pid 8429] <... exit_group resumed>) = ? [pid 8431] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8434, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 4997] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, [pid 8443] <... futex resumed>) = ? [pid 8443] +++ exited with 0 +++ [pid 8429] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8429, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 215.172583][ T8441] loop3: detected capacity change from 0 to 8192 [ 215.187974][ T8441] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 215.201259][ T8441] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 215.210624][ T8441] REISERFS (device loop3): using ordered data mode [ 215.217340][ T8441] reiserfs: using flush barriers [pid 4997] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [pid 4998] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./183/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./183/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./183/bus") = 0 [pid 4998] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./183/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./183") = 0 [pid 4998] mkdir("./184", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8446 ./strace-static-x86_64: Process 8446 attached [pid 8446] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8446] chdir("./184") = 0 [pid 8446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8446] setpgid(0, 0) = 0 [pid 8446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8446] write(3, "1000", 4) = 4 [pid 8446] close(3) = 0 [pid 8446] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8446] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8446] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8446] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8447], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8447 [pid 8446] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 215.224508][ T8441] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 215.242216][ T8441] REISERFS (device loop3): checking transaction log (loop3) [ 215.260909][ T8441] REISERFS (device loop3): Using r5 hash to sort names [pid 8446] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8441] <... mount resumed>) = 0 [pid 8441] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8441] chdir("./bus") = 0 [pid 8441] ioctl(4, LOOP_CLR_FD) = 0 [pid 8441] close(4) = 0 [pid 8441] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8440] <... futex resumed>) = 0 [pid 8440] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8440] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8447 attached [pid 8447] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8447] memfd_create("syzkaller", 0) = 3 [pid 8447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8441] <... futex resumed>) = 1 [pid 8441] mkdir("./file1", 000) = 0 [pid 8441] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8440] <... futex resumed>) = 0 [pid 8440] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8440] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8441] mkdir("./bus", 000) = 0 [pid 8441] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8440] <... futex resumed>) = 0 [pid 8440] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8440] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8441] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 215.297753][ T8441] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 215.311370][ T8441] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8447] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... umount2 resumed>) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 4997] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./182/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./182/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./182/bus") = 0 [pid 5001] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./182/binderfs" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... unlink resumed>) = 0 [pid 4997] lstat("./182/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 4997] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./182/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, [pid 5001] rmdir("./182" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./182/bus") = 0 [pid 5001] mkdir("./183", 0777 [pid 4997] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./182/binderfs" [pid 5001] <... mkdir resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./182" [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8440] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8440] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 4997] <... rmdir resumed>) = 0 [pid 8440] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8440] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 8440] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 8440] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8440] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8440] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8448], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8448 [pid 8440] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8440] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8449 [pid 4997] mkdir("./183", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 8448 attached [pid 4997] close(3 [pid 8448] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8448] mkdir(".", 0777 [pid 4997] <... close resumed>) = 0 [pid 8448] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8448] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8450 ./strace-static-x86_64: Process 8450 attached ./strace-static-x86_64: Process 8449 attached [pid 8450] set_robust_list(0x5555564f86e0, 24 [pid 8449] set_robust_list(0x5555564f86e0, 24 [pid 8450] <... set_robust_list resumed>) = 0 [ 215.357937][ T8441] overlayfs: upper fs needs to support d_type. [ 215.375770][ T8441] overlayfs: upper fs does not support tmpfile. [pid 8450] chdir("./183" [pid 8449] <... set_robust_list resumed>) = 0 [pid 8447] <... write resumed>) = 4194304 [pid 8450] <... chdir resumed>) = 0 [pid 8449] chdir("./183" [pid 8447] munmap(0x7f6a505d5000, 4194304 [pid 8450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8449] <... chdir resumed>) = 0 [pid 8448] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8450] <... prctl resumed>) = 0 [pid 8449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8450] setpgid(0, 0 [pid 8449] <... prctl resumed>) = 0 [pid 8450] <... setpgid resumed>) = 0 [pid 8449] setpgid(0, 0 [pid 8450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8449] <... setpgid resumed>) = 0 [pid 8450] <... openat resumed>) = 3 [pid 8449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8450] write(3, "1000", 4 [pid 8449] <... openat resumed>) = 3 [pid 8450] <... write resumed>) = 4 [pid 8449] write(3, "1000", 4 [pid 8447] <... munmap resumed>) = 0 [pid 8450] close(3 [pid 8449] <... write resumed>) = 4 [pid 8448] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8450] <... close resumed>) = 0 [pid 8449] close(3 [pid 8447] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8450] symlink("/dev/binderfs", "./binderfs" [pid 8449] <... close resumed>) = 0 [pid 8450] <... symlink resumed>) = 0 [pid 8449] symlink("/dev/binderfs", "./binderfs" [pid 8447] <... openat resumed>) = 4 [pid 8450] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8449] <... symlink resumed>) = 0 [pid 8447] ioctl(4, LOOP_SET_FD, 3 [pid 8450] <... futex resumed>) = 0 [pid 8449] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8448] <... futex resumed>) = 1 [pid 8440] <... futex resumed>) = 0 [pid 8448] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8450] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8449] <... futex resumed>) = 0 [pid 8447] <... ioctl resumed>) = 0 [pid 8449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8450] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8449] <... mmap resumed>) = 0x7f6a589d5000 [pid 8447] close(3 [pid 8449] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8447] <... close resumed>) = 0 [pid 8449] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8447] mkdir("./bus", 0777./strace-static-x86_64: Process 8452 attached ./strace-static-x86_64: Process 8451 attached ) = 0 [pid 8452] set_robust_list(0x7f6a589f59e0, 24 [pid 8451] set_robust_list(0x7f6a589f59e0, 24 [pid 8450] <... clone resumed>, parent_tid=[8451], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8451 [pid 8449] <... clone resumed>, parent_tid=[8452], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8452 [pid 8447] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8452] <... set_robust_list resumed>) = 0 [pid 8451] <... set_robust_list resumed>) = 0 [pid 8450] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8449] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8452] memfd_create("syzkaller", 0 [pid 8450] <... futex resumed>) = 0 [pid 8449] <... futex resumed>) = 0 [pid 8452] <... memfd_create resumed>) = 3 [pid 8449] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8450] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8452] <... mmap resumed>) = 0x7f6a505d5000 [pid 8451] memfd_create("syzkaller", 0) = 3 [pid 8451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 215.416616][ T8441] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 215.419316][ T8448] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 215.440065][ T8441] overlayfs: failed to resolve './file0': -2 [ 215.452598][ T8447] loop1: detected capacity change from 0 to 8192 [pid 8452] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8451] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8441] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8441] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8441] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8440] exit_group(0 [pid 8448] <... futex resumed>) = ? [pid 8441] <... futex resumed>) = ? [pid 8440] <... exit_group resumed>) = ? [pid 8448] +++ exited with 0 +++ [pid 8441] +++ exited with 0 +++ [pid 8440] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8440, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5000] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 215.477550][ T8447] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 215.490627][ T8447] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 215.500096][ T8447] REISERFS (device loop1): using ordered data mode [ 215.506605][ T8447] reiserfs: using flush barriers [pid 5000] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8452] <... write resumed>) = 4194304 [pid 8451] <... write resumed>) = 4194304 [pid 8452] munmap(0x7f6a505d5000, 4194304 [pid 8451] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8452] <... munmap resumed>) = 0 [pid 8452] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8451] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 215.513473][ T8447] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 215.530857][ T8447] REISERFS (device loop1): checking transaction log (loop1) [ 215.545993][ T8447] REISERFS (device loop1): Using r5 hash to sort names [ 215.555250][ T8447] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 215.569160][ T8451] loop0: detected capacity change from 0 to 8192 [pid 8451] ioctl(4, LOOP_SET_FD, 3 [pid 8452] <... openat resumed>) = 4 [pid 5000] <... umount2 resumed>) = 0 [pid 8451] <... ioctl resumed>) = 0 [pid 8451] close(3) = 0 [pid 8451] mkdir("./bus", 0777) = 0 [pid 8451] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8452] ioctl(4, LOOP_SET_FD, 3 [pid 5000] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8452] <... ioctl resumed>) = 0 [pid 8447] <... mount resumed>) = 0 [pid 5000] lstat("./184/bus", [pid 8452] close(3 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8452] <... close resumed>) = 0 [pid 5000] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8452] mkdir("./bus", 0777 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8452] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./184/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8452] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5000] <... openat resumed>) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./184/bus") = 0 [pid 5000] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./184/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [ 215.582338][ T8447] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 215.592692][ T8452] loop4: detected capacity change from 0 to 8192 [ 215.592937][ T8451] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 215.612755][ T8451] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5000] rmdir("./184") = 0 [pid 5000] mkdir("./185", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8456 [pid 8447] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8447] chdir("./bus") = 0 [pid 8447] ioctl(4, LOOP_CLR_FD) = 0 [pid 8447] close(4) = 0 [pid 8447] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8447] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8456 attached [pid 8456] set_robust_list(0x5555564f86e0, 24 [pid 8446] <... futex resumed>) = 0 [pid 8446] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8446] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8456] <... set_robust_list resumed>) = 0 [pid 8447] <... futex resumed>) = 0 [pid 8447] mkdir("./file1", 000) = 0 [ 215.613253][ T8452] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 215.622759][ T8451] REISERFS (device loop0): using ordered data mode [ 215.642030][ T8451] reiserfs: using flush barriers [ 215.648109][ T8451] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 215.664571][ T8451] REISERFS (device loop0): checking transaction log (loop0) [ 215.672846][ T8451] REISERFS (device loop0): Using r5 hash to sort names [pid 8447] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] chdir("./185" [pid 8447] <... futex resumed>) = 1 [pid 8446] <... futex resumed>) = 0 [pid 8447] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8446] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8446] <... futex resumed>) = 0 [pid 8447] mkdir("./bus", 000 [pid 8446] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8447] <... mkdir resumed>) = 0 [pid 8447] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] <... chdir resumed>) = 0 [pid 8447] <... futex resumed>) = 1 [pid 8446] <... futex resumed>) = 0 [pid 8456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8447] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8446] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] <... prctl resumed>) = 0 [pid 8447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8446] <... futex resumed>) = 0 [pid 8456] setpgid(0, 0 [pid 8447] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8446] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8456] <... setpgid resumed>) = 0 [pid 8451] <... mount resumed>) = 0 [pid 8456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8456] write(3, "1000", 4) = 4 [pid 8456] close(3) = 0 [pid 8456] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8456] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8451] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8456] <... futex resumed>) = 0 [pid 8456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8456] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8456] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8457], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8457 [pid 8456] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8456] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8457 attached [pid 8457] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8451] <... openat resumed>) = 3 [ 215.680159][ T8451] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 215.693060][ T8451] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 215.693081][ T8447] overlayfs: upper fs needs to support d_type. [ 215.702755][ T8452] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 215.717938][ T8452] REISERFS (device loop4): using ordered data mode [ 215.724705][ T8452] reiserfs: using flush barriers [pid 8457] memfd_create("syzkaller", 0) = 3 [pid 8451] chdir("./bus" [pid 8457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8451] <... chdir resumed>) = 0 [pid 8451] ioctl(4, LOOP_CLR_FD) = 0 [pid 8446] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8446] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8446] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8446] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8458], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8458 [pid 8446] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8446] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8458 attached [pid 8451] close(4) = 0 [ 215.726714][ T8447] overlayfs: upper fs does not support tmpfile. [ 215.730965][ T8452] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 215.747702][ T8447] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 215.760065][ T8452] REISERFS (device loop4): checking transaction log (loop4) [ 215.768467][ T8452] REISERFS (device loop4): Using r5 hash to sort names [pid 8458] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8458] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8458] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8451] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8450] <... futex resumed>) = 0 [pid 8451] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8450] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8450] <... futex resumed>) = 0 [pid 8452] <... mount resumed>) = 0 [pid 8451] mkdir("./file1", 000 [pid 8450] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8451] <... mkdir resumed>) = 0 [pid 8452] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8451] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8450] <... futex resumed>) = 0 [pid 8452] <... openat resumed>) = 3 [pid 8451] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8450] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8452] chdir("./bus" [pid 8451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8450] <... futex resumed>) = 0 [pid 8451] mkdir("./bus", 000 [pid 8450] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8452] <... chdir resumed>) = 0 [pid 8451] <... mkdir resumed>) = 0 [pid 8452] ioctl(4, LOOP_CLR_FD [pid 8451] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8452] <... ioctl resumed>) = 0 [pid 8451] <... futex resumed>) = 1 [pid 8450] <... futex resumed>) = 0 [pid 8452] close(4 [pid 8451] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8450] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8452] <... close resumed>) = 0 [pid 8451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8450] <... futex resumed>) = 0 [pid 8452] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8451] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8450] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8452] <... futex resumed>) = 1 [pid 8449] <... futex resumed>) = 0 [pid 8449] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8449] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8452] mkdir("./file1", 000 [ 215.775729][ T8452] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 215.789130][ T8452] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 215.808307][ T8447] overlayfs: failed to resolve './file0': -2 [ 215.815126][ T8451] overlayfs: upper fs needs to support d_type. [pid 8457] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8458] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8452] <... mkdir resumed>) = 0 [pid 8447] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8458] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8452] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8447] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8458] <... futex resumed>) = 1 [pid 8452] <... futex resumed>) = 1 [pid 8449] <... futex resumed>) = 0 [pid 8447] <... futex resumed>) = 0 [pid 8446] <... futex resumed>) = 0 [pid 8458] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8452] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8449] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8447] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8446] exit_group(0 [pid 8458] <... futex resumed>) = ? [pid 8452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8449] <... futex resumed>) = 0 [pid 8447] <... futex resumed>) = ? [pid 8446] <... exit_group resumed>) = ? [pid 8458] +++ exited with 0 +++ [pid 8452] mkdir("./bus", 000 [pid 8449] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8447] +++ exited with 0 +++ [pid 8446] +++ exited with 0 +++ [pid 8452] <... mkdir resumed>) = 0 [pid 8452] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8446, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8452] <... futex resumed>) = 1 [pid 8449] <... futex resumed>) = 0 [pid 8452] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8449] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8449] <... futex resumed>) = 0 [pid 8452] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8449] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8450] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8450] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8450] <... futex resumed>) = 0 [pid 8450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8450] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [ 215.821674][ T8458] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 215.828748][ T8451] overlayfs: upper fs does not support tmpfile. [ 215.852907][ T8452] overlayfs: upper fs needs to support d_type. [ 215.861349][ T8452] overlayfs: upper fs does not support tmpfile. [ 215.871592][ T8451] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8457] <... write resumed>) = 4194304 [pid 8450] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8457] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8457] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8457] ioctl(4, LOOP_SET_FD, 3 [pid 8450] <... clone resumed>, parent_tid=[8459], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8459 [pid 8450] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8450] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8459 attached [pid 8449] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8459] set_robust_list(0x7f6a509d49e0, 24 [pid 8449] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8459] <... set_robust_list resumed>) = 0 [pid 8449] <... futex resumed>) = 0 [pid 8459] mkdir(".", 0777 [pid 8449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8459] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8449] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8459] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8449] <... mprotect resumed>) = 0 [pid 8449] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8451] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8451] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8451] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8449] <... clone resumed>, parent_tid=[8460], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8460 [pid 8449] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8449] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8457] <... ioctl resumed>) = 0 [pid 8457] close(3) = 0 [ 215.880585][ T8451] overlayfs: failed to resolve './file0': -2 [ 215.886268][ T8452] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 215.891207][ T8457] loop3: detected capacity change from 0 to 8192 [ 215.913462][ T8459] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8457] mkdir("./bus", 0777) = 0 [pid 8457] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8460 attached [pid 8459] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8452] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4998] <... umount2 resumed>) = 0 [pid 8460] set_robust_list(0x7f6a509d49e0, 24 [pid 8459] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8452] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8460] <... set_robust_list resumed>) = 0 [pid 8460] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8460] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8450] <... futex resumed>) = 0 [pid 8450] exit_group(0) = ? [pid 8459] <... futex resumed>) = ? [ 215.929839][ T8452] overlayfs: failed to resolve './file0': -2 [ 215.949496][ T8457] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 215.955567][ T8460] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8452] <... futex resumed>) = 0 [pid 8451] <... futex resumed>) = ? [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8459] +++ exited with 0 +++ [pid 4998] lstat("./184/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8452] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./184/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./184/bus") = 0 [pid 4998] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./184/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./184") = 0 [pid 8451] +++ exited with 0 +++ [pid 8450] +++ exited with 0 +++ [pid 4998] mkdir("./185", 0777 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8450, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 8460] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] <... restart_syscall resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] close(3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... close resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... openat resumed>) = 3 [pid 4997] fstat(3, [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8462 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8460] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8462 attached ) = 1 [pid 8449] <... futex resumed>) = 0 [ 215.962798][ T8457] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 215.987761][ T8457] REISERFS (device loop3): using ordered data mode [ 215.994655][ T8457] reiserfs: using flush barriers [ 216.002162][ T8457] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 216.018767][ T8457] REISERFS (device loop3): checking transaction log (loop3) [ 216.026977][ T8457] REISERFS (device loop3): Using r5 hash to sort names [pid 8462] set_robust_list(0x5555564f86e0, 24 [pid 8460] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8449] exit_group(0 [pid 8462] <... set_robust_list resumed>) = 0 [pid 8457] <... mount resumed>) = 0 [pid 8449] <... exit_group resumed>) = ? [pid 8452] <... futex resumed>) = ? [pid 8460] <... futex resumed>) = ? [pid 8462] chdir("./185" [pid 8457] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8452] +++ exited with 0 +++ [pid 8460] +++ exited with 0 +++ [pid 8449] +++ exited with 0 +++ [pid 8462] <... chdir resumed>) = 0 [pid 8457] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8449, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 8462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 8462] <... prctl resumed>) = 0 [pid 8457] chdir("./bus" [pid 5001] <... restart_syscall resumed>) = 0 [pid 5001] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8462] setpgid(0, 0 [pid 5001] getdents64(3, [pid 8462] <... setpgid resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8462] <... openat resumed>) = 3 [pid 8462] write(3, "1000", 4) = 4 [pid 8462] close(3) = 0 [pid 8457] <... chdir resumed>) = 0 [pid 8462] symlink("/dev/binderfs", "./binderfs" [pid 8457] ioctl(4, LOOP_CLR_FD [pid 8462] <... symlink resumed>) = 0 [pid 8457] <... ioctl resumed>) = 0 [pid 8462] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8457] close(4 [pid 8462] <... futex resumed>) = 0 [pid 8462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8462] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [ 216.045656][ T8457] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 216.059173][ T8457] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8462] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8457] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8462] <... clone resumed>, parent_tid=[8463], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8463 [pid 8457] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./183/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./183/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 8462] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8457] <... futex resumed>) = 1 [pid 8456] <... futex resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8462] <... futex resumed>) = 0 [pid 8457] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8456] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] getdents64(4, ./strace-static-x86_64: Process 8463 attached [pid 8462] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8456] <... futex resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8463] set_robust_list(0x7f6a589f59e0, 24 [pid 8457] mkdir("./file1", 000 [pid 8456] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] close(4 [pid 8457] <... mkdir resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 8457] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] rmdir("./183/bus") = 0 [pid 8457] <... futex resumed>) = 1 [pid 8456] <... futex resumed>) = 0 [pid 4997] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8457] mkdir("./bus", 000 [pid 8456] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8457] <... mkdir resumed>) = 0 [pid 4997] lstat("./183/binderfs", [pid 8457] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] <... futex resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8457] <... futex resumed>) = 0 [pid 8456] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] unlink("./183/binderfs" [pid 8457] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4997] <... unlink resumed>) = 0 [pid 8463] <... set_robust_list resumed>) = 0 [pid 8456] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3 [pid 8457] <... futex resumed>) = 0 [pid 8456] <... futex resumed>) = 1 [pid 4997] <... close resumed>) = 0 [pid 8463] memfd_create("syzkaller", 0 [pid 8457] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8456] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4997] rmdir("./183") = 0 [pid 4997] mkdir("./184", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8464 ./strace-static-x86_64: Process 8464 attached [pid 8464] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8464] chdir("./184") = 0 [pid 8464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8464] setpgid(0, 0) = 0 [pid 8464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8464] write(3, "1000", 4) = 4 [pid 8464] close(3) = 0 [pid 8464] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8464] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8464] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8464] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8465], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8465 [pid 8464] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8464] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8465 attached [pid 8465] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8465] memfd_create("syzkaller", 0) = 3 [pid 8465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8463] <... memfd_create resumed>) = 3 [pid 8463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8456] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8456] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8456] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8456] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8466], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8466 [pid 8456] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8456] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8465] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8466 attached [pid 8466] set_robust_list(0x7f6a509d49e0, 24) = 0 [ 216.129806][ T8457] overlayfs: upper fs needs to support d_type. [ 216.137311][ T8457] overlayfs: upper fs does not support tmpfile. [ 216.163510][ T8457] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8466] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8463] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] <... umount2 resumed>) = 0 [pid 8466] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./183/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./183/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, [pid 8465] <... write resumed>) = 4194304 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./183/bus" [pid 8465] munmap(0x7f6a505d5000, 4194304 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./183/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./183") = 0 [pid 5001] mkdir("./184", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 8465] <... munmap resumed>) = 0 [pid 8465] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 216.193821][ T8457] overlayfs: failed to resolve './file0': -2 [ 216.213026][ T8466] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8465] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... close resumed>) = 0 [pid 8466] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8466] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8467 [pid 8466] <... futex resumed>) = 1 [pid 8456] <... futex resumed>) = 0 [pid 8466] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8465] <... ioctl resumed>) = 0 [pid 8465] close(3./strace-static-x86_64: Process 8467 attached ) = 0 [pid 8465] mkdir("./bus", 0777 [pid 8467] set_robust_list(0x5555564f86e0, 24 [pid 8465] <... mkdir resumed>) = 0 [pid 8467] <... set_robust_list resumed>) = 0 [pid 8457] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8465] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8457] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] exit_group(0 [pid 8466] <... futex resumed>) = ? [pid 8456] <... exit_group resumed>) = ? [pid 8457] <... futex resumed>) = ? [pid 8466] +++ exited with 0 +++ [pid 8467] chdir("./184") = 0 [pid 8467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8457] +++ exited with 0 +++ [pid 8456] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8456, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 8467] setpgid(0, 0 [pid 8463] <... write resumed>) = 4194304 [pid 5000] <... restart_syscall resumed>) = 0 [pid 8467] <... setpgid resumed>) = 0 [pid 5000] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8467] write(3, "1000", 4) = 4 [pid 8467] close(3) = 0 [pid 8467] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8467] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8467] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8467] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8469], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8469 [pid 8467] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8467] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8469 attached [pid 8469] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8469] memfd_create("syzkaller", 0) = 3 [pid 8469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5000] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8463] munmap(0x7f6a505d5000, 4194304 [pid 5000] fstat(3, [pid 8463] <... munmap resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8463] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 216.246791][ T8465] loop0: detected capacity change from 0 to 8192 [ 216.262366][ T8465] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 216.276421][ T8465] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 216.281430][ T8463] loop1: detected capacity change from 0 to 8192 [pid 8463] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8463] close(3) = 0 [pid 8463] mkdir("./bus", 0777) = 0 [ 216.286268][ T8465] REISERFS (device loop0): using ordered data mode [ 216.298624][ T8465] reiserfs: using flush barriers [ 216.304824][ T8465] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 216.321836][ T8465] REISERFS (device loop0): checking transaction log (loop0) [ 216.333590][ T8463] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8463] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8469] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./185/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./185/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./185/bus") = 0 [pid 5000] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./185/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./185") = 0 [pid 5000] mkdir("./186", 0777 [pid 8465] <... mount resumed>) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 8469] <... write resumed>) = 4194304 [pid 5000] <... close resumed>) = 0 [ 216.348718][ T8465] REISERFS (device loop0): Using r5 hash to sort names [ 216.355732][ T8465] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 216.356322][ T8463] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 216.370802][ T8465] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8469] munmap(0x7f6a505d5000, 4194304 [pid 8465] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8471 [pid 8469] <... munmap resumed>) = 0 [pid 8469] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8469] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 8471 attached [pid 8465] <... openat resumed>) = 3 [pid 8465] chdir("./bus") = 0 [pid 8465] ioctl(4, LOOP_CLR_FD) = 0 [pid 8465] close(4 [pid 8471] set_robust_list(0x5555564f86e0, 24 [pid 8465] <... close resumed>) = 0 [pid 8471] <... set_robust_list resumed>) = 0 [pid 8465] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8465] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8464] <... futex resumed>) = 0 [pid 8471] chdir("./186" [pid 8464] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8471] <... chdir resumed>) = 0 [pid 8465] <... futex resumed>) = 0 [pid 8464] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8465] mkdir("./file1", 000 [pid 8471] <... prctl resumed>) = 0 [pid 8471] setpgid(0, 0) = 0 [pid 8465] <... mkdir resumed>) = 0 [pid 8471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8471] write(3, "1000", 4) = 4 [pid 8471] close(3) = 0 [pid 8471] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8471] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8471] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8465] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8471] <... mprotect resumed>) = 0 [pid 8469] <... ioctl resumed>) = 0 [pid 8465] <... futex resumed>) = 1 [pid 8464] <... futex resumed>) = 0 [pid 8469] close(3 [pid 8471] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8464] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8469] <... close resumed>) = 0 [pid 8464] <... futex resumed>) = 0 [pid 8469] mkdir("./bus", 0777 [pid 8464] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8471] <... clone resumed>, parent_tid=[8472], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8472 [pid 8469] <... mkdir resumed>) = 0 [pid 8471] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8469] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8471] <... futex resumed>) = 0 [pid 8471] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8465] mkdir("./bus", 000) = 0 [pid 8465] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8464] <... futex resumed>) = 0 [pid 8465] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8464] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8464] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8472 attached [pid 8472] set_robust_list(0x7f6a589f59e0, 24) = 0 [ 216.405033][ T8463] REISERFS (device loop1): using ordered data mode [ 216.410923][ T8469] loop4: detected capacity change from 0 to 8192 [ 216.412221][ T8463] reiserfs: using flush barriers [pid 8472] memfd_create("syzkaller", 0) = 3 [pid 8472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8472] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8464] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8464] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8464] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [ 216.442248][ T8463] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 216.459690][ T8465] overlayfs: upper fs needs to support d_type. [ 216.470601][ T8469] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 216.472421][ T8465] overlayfs: upper fs does not support tmpfile. [ 216.492865][ T8463] REISERFS (device loop1): checking transaction log (loop1) [pid 8464] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8474 attached [pid 8474] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8474] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8464] <... clone resumed>, parent_tid=[8474], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8474 [pid 8464] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8464] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8474] <... futex resumed>) = 0 [pid 8474] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8474] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8472] <... write resumed>) = 4194304 [ 216.496234][ T8469] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 216.501335][ T8465] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 216.518325][ T8463] REISERFS (device loop1): Using r5 hash to sort names [ 216.524079][ T8474] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 216.525582][ T8463] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8472] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8472] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8472] ioctl(4, LOOP_SET_FD, 3 [pid 8474] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8474] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8472] <... ioctl resumed>) = 0 [pid 8463] <... mount resumed>) = 0 [pid 8474] <... futex resumed>) = 1 [pid 8472] close(3 [pid 8464] <... futex resumed>) = 0 [pid 8474] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8472] <... close resumed>) = 0 [pid 8465] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8472] mkdir("./bus", 0777 [pid 8465] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8472] <... mkdir resumed>) = 0 [pid 8465] <... futex resumed>) = 0 [pid 8472] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8465] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [ 216.552394][ T8469] REISERFS (device loop4): using ordered data mode [ 216.553301][ T8463] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 216.560924][ T8472] loop3: detected capacity change from 0 to 8192 [ 216.568446][ T8469] reiserfs: using flush barriers [ 216.576237][ T8465] overlayfs: failed to resolve './file0': -2 [ 216.585736][ T8469] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8463] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8463] chdir("./bus") = 0 [pid 8463] ioctl(4, LOOP_CLR_FD) = 0 [pid 8464] exit_group(0 [pid 8474] <... futex resumed>) = ? [pid 8465] <... futex resumed>) = ? [pid 8464] <... exit_group resumed>) = ? [pid 8474] +++ exited with 0 +++ [pid 8465] +++ exited with 0 +++ [pid 8463] close(4 [pid 8464] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8464, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 4997] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8463] <... close resumed>) = 0 [pid 8463] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8462] <... futex resumed>) = 0 [pid 8462] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8462] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8463] <... futex resumed>) = 1 [pid 8463] mkdir("./file1", 000) = 0 [pid 8463] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8462] <... futex resumed>) = 0 [pid 8462] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8462] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8463] <... futex resumed>) = 1 [pid 8463] mkdir("./bus", 000) = 0 [pid 8463] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8462] <... futex resumed>) = 0 [pid 8463] <... futex resumed>) = 1 [pid 8462] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8463] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8462] <... futex resumed>) = 0 [ 216.602252][ T8469] REISERFS (device loop4): checking transaction log (loop4) [ 216.610724][ T8469] REISERFS (device loop4): Using r5 hash to sort names [ 216.619140][ T8469] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 216.636689][ T8469] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 216.643452][ T8463] overlayfs: upper fs needs to support d_type. [pid 8462] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8469] <... mount resumed>) = 0 [pid 8469] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8469] chdir("./bus") = 0 [pid 8469] ioctl(4, LOOP_CLR_FD) = 0 [pid 8469] close(4) = 0 [pid 8469] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8467] <... futex resumed>) = 0 [pid 8469] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8467] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8467] <... futex resumed>) = 0 [pid 8469] mkdir("./file1", 000 [pid 8467] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8469] <... mkdir resumed>) = 0 [pid 8469] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8467] <... futex resumed>) = 0 [pid 8469] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8467] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8467] <... futex resumed>) = 0 [pid 8469] mkdir("./bus", 000 [pid 8467] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8469] <... mkdir resumed>) = 0 [pid 8469] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8467] <... futex resumed>) = 0 [pid 8469] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8467] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8467] <... futex resumed>) = 0 [ 216.652887][ T8472] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 216.668031][ T8472] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 216.677834][ T8472] REISERFS (device loop3): using ordered data mode [ 216.684528][ T8472] reiserfs: using flush barriers [ 216.690914][ T8469] overlayfs: upper fs needs to support d_type. [ 216.691112][ T8463] overlayfs: upper fs does not support tmpfile. [pid 8469] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8467] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8462] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8462] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8462] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8462] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8476], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8476 [pid 8462] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 216.697194][ T8469] overlayfs: upper fs does not support tmpfile. [ 216.703464][ T8472] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 216.726429][ T8472] REISERFS (device loop3): checking transaction log (loop3) [ 216.736064][ T8472] REISERFS (device loop3): Using r5 hash to sort names [ 216.746831][ T8463] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8462] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8476 attached [pid 8476] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8476] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8476] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4997] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8467] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8467] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8467] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8477], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8477 [pid 8467] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8467] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8472] <... mount resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8477 attached [pid 8472] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 4997] lstat("./184/bus", [pid 8477] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8477] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8477] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8472] <... openat resumed>) = 3 [pid 4997] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8476] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8476] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8462] <... futex resumed>) = 0 [pid 8476] <... futex resumed>) = 1 [ 216.752789][ T8472] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 216.757810][ T8469] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 216.767005][ T8472] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 216.778186][ T8476] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8476] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8472] chdir("./bus" [pid 8463] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8477] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8477] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8467] <... futex resumed>) = 0 [pid 8477] <... futex resumed>) = 1 [pid 8477] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8472] <... chdir resumed>) = 0 [pid 8472] ioctl(4, LOOP_CLR_FD) = 0 [pid 8472] close(4) = 0 [pid 8463] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] openat(AT_FDCWD, "./184/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8463] <... futex resumed>) = 0 [pid 8472] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... openat resumed>) = 4 [pid 8463] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8472] <... futex resumed>) = 1 [pid 8471] <... futex resumed>) = 0 [pid 8472] mkdir("./file1", 000 [pid 8471] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8472] <... mkdir resumed>) = 0 [pid 8471] <... futex resumed>) = 0 [pid 8472] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8471] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8462] exit_group(0 [pid 8472] <... futex resumed>) = 0 [pid 8471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8462] <... exit_group resumed>) = ? [pid 8472] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8471] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8471] <... futex resumed>) = 0 [pid 8472] mkdir("./bus", 000 [pid 8471] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8472] <... mkdir resumed>) = 0 [pid 8472] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8471] <... futex resumed>) = 0 [pid 8472] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8471] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8471] <... futex resumed>) = 0 [pid 8472] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8471] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8476] <... futex resumed>) = ? [pid 8469] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8463] <... futex resumed>) = ? [pid 4997] fstat(4, [pid 8463] +++ exited with 0 +++ [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./184/bus") = 0 [pid 4997] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./184/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./184") = 0 [pid 4997] mkdir("./185", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 8476] +++ exited with 0 +++ [pid 8469] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8462] +++ exited with 0 +++ [pid 4997] <... close resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8462, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8478 [pid 4998] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8467] exit_group(0 [pid 8469] <... futex resumed>) = 0 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 216.801744][ T8463] overlayfs: failed to resolve './file0': -2 [ 216.804585][ T8477] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 216.823416][ T8469] overlayfs: failed to resolve './file0': -2 [ 216.837075][ T8472] overlayfs: upper fs needs to support d_type. [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8478 attached [pid 8478] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8478] chdir("./185") = 0 [pid 8478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8478] setpgid(0, 0) = 0 [pid 8467] <... exit_group resumed>) = ? [pid 8477] <... futex resumed>) = ? [pid 8478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8469] +++ exited with 0 +++ [pid 8478] <... openat resumed>) = 3 [pid 8477] +++ exited with 0 +++ [pid 8467] +++ exited with 0 +++ [pid 8478] write(3, "1000", 4) = 4 [pid 8478] close(3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8467, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 8478] <... close resumed>) = 0 [pid 8478] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8478] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8478] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... openat resumed>) = 3 [pid 8478] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] fstat(3, [pid 8478] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8478] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8478] <... clone resumed>, parent_tid=[8479], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8479 [pid 8478] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8478] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8479 attached [pid 8479] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8479] memfd_create("syzkaller", 0) = 3 [pid 8479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8471] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8471] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8471] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8471] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8480], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8480 [pid 8471] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8471] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8480 attached [pid 8480] set_robust_list(0x7f6a509d49e0, 24 [pid 8479] <... mmap resumed>) = 0x7f6a505d5000 [pid 8480] <... set_robust_list resumed>) = 0 [pid 8480] mkdir(".", 0777 [pid 8472] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8480] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8472] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8480] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 216.861451][ T8472] overlayfs: upper fs does not support tmpfile. [ 216.882299][ T8472] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 216.891821][ T8472] overlayfs: failed to resolve './file0': -2 [pid 8472] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8479] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8480] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8480] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8471] <... futex resumed>) = 0 [pid 8480] <... futex resumed>) = 1 [pid 8471] exit_group(0 [pid 8480] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8471] <... exit_group resumed>) = ? [pid 8472] <... futex resumed>) = ? [pid 8480] <... futex resumed>) = ? [pid 8472] +++ exited with 0 +++ [pid 8480] +++ exited with 0 +++ [pid 8471] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8471, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./184/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./184/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./184/bus") = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 5001] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./184/binderfs" [pid 4998] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./185/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5001] getdents64(3, [ 216.920314][ T8480] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] close(3 [pid 4998] openat(AT_FDCWD, "./185/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... close resumed>) = 0 [pid 4998] <... openat resumed>) = 4 [pid 5001] rmdir("./184") = 0 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./185/bus") = 0 [pid 5001] mkdir("./185", 0777) = 0 [pid 4998] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./185/binderfs", [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4998] unlink("./185/binderfs") = 0 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./185") = 0 [pid 4998] mkdir("./186", 0777 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8481 [pid 4998] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8482 ./strace-static-x86_64: Process 8482 attached ./strace-static-x86_64: Process 8481 attached [pid 8481] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8482] set_robust_list(0x5555564f86e0, 24 [pid 8481] chdir("./185") = 0 [pid 8481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8481] setpgid(0, 0 [pid 8482] <... set_robust_list resumed>) = 0 [pid 8482] chdir("./186" [pid 8481] <... setpgid resumed>) = 0 [pid 8482] <... chdir resumed>) = 0 [pid 8481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8482] setpgid(0, 0 [pid 8481] write(3, "1000", 4) = 4 [pid 8481] close(3 [pid 8482] <... setpgid resumed>) = 0 [pid 8482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8481] <... close resumed>) = 0 [pid 8482] <... openat resumed>) = 3 [pid 8481] symlink("/dev/binderfs", "./binderfs" [pid 8482] write(3, "1000", 4) = 4 [pid 8481] <... symlink resumed>) = 0 [pid 8482] close(3 [pid 8481] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8482] <... close resumed>) = 0 [pid 8481] <... futex resumed>) = 0 [pid 8482] symlink("/dev/binderfs", "./binderfs" [pid 8481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8482] <... symlink resumed>) = 0 [pid 8481] <... mmap resumed>) = 0x7f6a589d5000 [pid 8482] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8481] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8482] <... futex resumed>) = 0 [pid 8481] <... mprotect resumed>) = 0 [pid 8482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8481] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8482] <... mmap resumed>) = 0x7f6a589d5000 [pid 8482] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8481] <... clone resumed>, parent_tid=[8483], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8483 [pid 8482] <... mprotect resumed>) = 0 [pid 8481] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8482] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8481] <... futex resumed>) = 0 [pid 8481] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8482] <... clone resumed>, parent_tid=[8484], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8484 [pid 8482] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8482] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8484 attached [pid 8484] set_robust_list(0x7f6a589f59e0, 24 [pid 8479] <... write resumed>) = 4194304 [pid 8484] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 8483 attached [pid 8484] memfd_create("syzkaller", 0 [pid 8479] munmap(0x7f6a505d5000, 4194304 [pid 5000] <... umount2 resumed>) = 0 [pid 8483] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 5000] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8484] <... memfd_create resumed>) = 3 [pid 8484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8483] memfd_create("syzkaller", 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8483] <... memfd_create resumed>) = 3 [pid 8479] <... munmap resumed>) = 0 [pid 5000] lstat("./186/bus", [pid 8484] <... mmap resumed>) = 0x7f6a505d5000 [pid 8483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8479] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8483] <... mmap resumed>) = 0x7f6a505d5000 [pid 8479] <... openat resumed>) = 4 [pid 5000] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./186/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8479] ioctl(4, LOOP_SET_FD, 3 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./186/bus") = 0 [pid 5000] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./186/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./186") = 0 [pid 5000] mkdir("./187", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 8479] <... ioctl resumed>) = 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8479] close(3 [pid 5000] close(3) = 0 [pid 8479] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8479] mkdir("./bus", 0777 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8485 [pid 8479] <... mkdir resumed>) = 0 [pid 8479] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8485 attached [pid 8485] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8485] chdir("./187") = 0 [pid 8485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8485] setpgid(0, 0) = 0 [pid 8485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8485] write(3, "1000", 4) = 4 [pid 8485] close(3) = 0 [pid 8485] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8485] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8485] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8485] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8487], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8487 [pid 8485] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8485] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8483] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 217.041939][ T8479] loop0: detected capacity change from 0 to 8192 [ 217.076469][ T8479] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8484] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8487 attached [pid 8487] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8487] memfd_create("syzkaller", 0) = 3 [pid 8487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8483] <... write resumed>) = 4194304 [pid 8483] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8483] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 217.094320][ T8479] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 217.126378][ T8479] REISERFS (device loop0): using ordered data mode [ 217.137252][ T8483] loop4: detected capacity change from 0 to 8192 [pid 8483] ioctl(4, LOOP_SET_FD, 3 [pid 8487] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8483] <... ioctl resumed>) = 0 [pid 8483] close(3) = 0 [pid 8483] mkdir("./bus", 0777) = 0 [pid 8483] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8484] <... write resumed>) = 4194304 [ 217.145681][ T8479] reiserfs: using flush barriers [ 217.153875][ T8483] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 217.154059][ T8479] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 217.183692][ T8483] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8484] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8484] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8484] ioctl(4, LOOP_SET_FD, 3 [pid 8487] <... write resumed>) = 4194304 [pid 8484] <... ioctl resumed>) = 0 [pid 8484] close(3) = 0 [pid 8484] mkdir("./bus", 0777) = 0 [pid 8487] munmap(0x7f6a505d5000, 4194304 [pid 8484] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8487] <... munmap resumed>) = 0 [pid 8487] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 217.184671][ T8479] REISERFS (device loop0): checking transaction log (loop0) [ 217.201946][ T8484] loop1: detected capacity change from 0 to 8192 [ 217.202282][ T8483] REISERFS (device loop4): using ordered data mode [ 217.215547][ T8483] reiserfs: using flush barriers [ 217.215796][ T8479] REISERFS (device loop0): Using r5 hash to sort names [ 217.222423][ T8487] loop3: detected capacity change from 0 to 8192 [pid 8487] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8487] close(3) = 0 [pid 8487] mkdir("./bus", 0777) = 0 [ 217.228337][ T8484] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 217.234145][ T8483] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 217.247090][ T8479] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 217.265929][ T8483] REISERFS (device loop4): checking transaction log (loop4) [ 217.276670][ T8484] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8487] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8479] <... mount resumed>) = 0 [pid 8479] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8479] chdir("./bus") = 0 [pid 8479] ioctl(4, LOOP_CLR_FD) = 0 [pid 8479] close(4) = 0 [pid 8479] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8478] <... futex resumed>) = 0 [pid 8479] mkdir("./file1", 000 [pid 8478] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8479] <... mkdir resumed>) = 0 [pid 8478] <... futex resumed>) = 0 [pid 8479] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8478] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8479] <... futex resumed>) = 0 [pid 8478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 217.283218][ T8479] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 217.293994][ T8483] REISERFS (device loop4): Using r5 hash to sort names [ 217.301766][ T8484] REISERFS (device loop1): using ordered data mode [ 217.315346][ T8484] reiserfs: using flush barriers [ 217.320812][ T8487] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8479] mkdir("./bus", 000 [pid 8478] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8479] <... mkdir resumed>) = 0 [pid 8478] <... futex resumed>) = 0 [pid 8479] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8478] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8478] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8478] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8479] <... futex resumed>) = 1 [pid 8478] <... futex resumed>) = 0 [pid 8478] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=41000000} [ 217.321422][ T8484] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 217.350886][ T8484] REISERFS (device loop1): checking transaction log (loop1) [ 217.359382][ T8484] REISERFS (device loop1): Using r5 hash to sort names [ 217.359452][ T8479] overlayfs: upper fs needs to support d_type. [ 217.366331][ T8484] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 217.375753][ T8487] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 8479] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8484] <... mount resumed>) = 0 [pid 8478] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8478] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8478] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8478] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8491], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8491 [pid 8478] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8478] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8491 attached [pid 8491] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8484] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8491] mkdir(".", 0777 [pid 8484] <... openat resumed>) = 3 [pid 8484] chdir("./bus") = 0 [pid 8484] ioctl(4, LOOP_CLR_FD [pid 8491] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8491] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8484] <... ioctl resumed>) = 0 [ 217.385652][ T8484] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 217.395013][ T8483] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 217.403848][ T8479] overlayfs: upper fs does not support tmpfile. [ 217.424044][ T8479] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 217.425804][ T8487] REISERFS (device loop3): using ordered data mode [ 217.432281][ T8479] overlayfs: failed to resolve './file0': -2 [pid 8484] close(4 [pid 8491] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8484] <... close resumed>) = 0 [pid 8483] <... mount resumed>) = 0 [pid 8479] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8491] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8478] <... futex resumed>) = 0 [pid 8491] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8484] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8483] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8479] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8484] <... futex resumed>) = 1 [pid 8483] <... openat resumed>) = 3 [pid 8482] <... futex resumed>) = 0 [pid 8479] <... futex resumed>) = 0 [pid 8478] exit_group(0 [pid 8484] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8483] chdir("./bus" [pid 8479] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8491] <... futex resumed>) = ? [pid 8482] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8478] <... exit_group resumed>) = ? [pid 8491] +++ exited with 0 +++ [pid 8482] <... futex resumed>) = 0 [ 217.439307][ T8483] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 217.446605][ T8491] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 217.454271][ T8487] reiserfs: using flush barriers [ 217.474743][ T8487] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8482] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8483] <... chdir resumed>) = 0 [pid 8479] <... futex resumed>) = ? [pid 8484] mkdir("./file1", 000 [pid 8483] ioctl(4, LOOP_CLR_FD [pid 8484] <... mkdir resumed>) = 0 [pid 8483] <... ioctl resumed>) = 0 [pid 8479] +++ exited with 0 +++ [pid 8478] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8478, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 4997] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8484] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8483] close(4 [pid 8487] <... mount resumed>) = 0 [pid 8484] <... futex resumed>) = 1 [pid 8483] <... close resumed>) = 0 [pid 8482] <... futex resumed>) = 0 [pid 8484] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8483] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8481] <... futex resumed>) = 0 [pid 8483] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8482] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8481] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8481] <... futex resumed>) = 0 [pid 8483] mkdir("./file1", 000 [pid 8481] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8484] <... futex resumed>) = 0 [pid 8483] <... mkdir resumed>) = 0 [pid 8482] <... futex resumed>) = 1 [pid 8484] mkdir("./bus", 000 [pid 8483] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8484] <... mkdir resumed>) = 0 [pid 8483] <... futex resumed>) = 1 [pid 8482] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8481] <... futex resumed>) = 0 [pid 8487] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8484] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8483] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8481] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8487] <... openat resumed>) = 3 [pid 8484] <... futex resumed>) = 0 [pid 8483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8482] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8481] <... futex resumed>) = 0 [pid 8487] chdir("./bus" [ 217.492042][ T8487] REISERFS (device loop3): checking transaction log (loop3) [ 217.503335][ T8487] REISERFS (device loop3): Using r5 hash to sort names [ 217.511128][ T8487] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 217.524680][ T8487] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8484] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8483] mkdir("./bus", 000 [pid 8482] <... futex resumed>) = 0 [pid 8481] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8487] <... chdir resumed>) = 0 [pid 8483] <... mkdir resumed>) = 0 [pid 8487] ioctl(4, LOOP_CLR_FD [pid 8483] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8487] <... ioctl resumed>) = 0 [pid 8483] <... futex resumed>) = 1 [pid 8481] <... futex resumed>) = 0 [pid 8487] close(4 [pid 8483] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8481] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8487] <... close resumed>) = 0 [pid 8483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8481] <... futex resumed>) = 0 [pid 8487] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8483] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8481] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8487] <... futex resumed>) = 1 [pid 8487] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8485] <... futex resumed>) = 0 [pid 8482] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8485] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8487] <... futex resumed>) = 0 [pid 8485] <... futex resumed>) = 1 [pid 8485] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8487] mkdir("./file1", 000) = 0 [pid 8487] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8485] <... futex resumed>) = 0 [pid 8487] mkdir("./bus", 000 [pid 8485] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8487] <... mkdir resumed>) = 0 [pid 8485] <... futex resumed>) = 0 [pid 8487] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8485] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8487] <... futex resumed>) = 0 [pid 8485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8487] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8485] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8485] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8481] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8481] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8481] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [ 217.542704][ T8484] overlayfs: upper fs needs to support d_type. [ 217.549843][ T8483] overlayfs: upper fs needs to support d_type. [ 217.556056][ T8483] overlayfs: upper fs does not support tmpfile. [ 217.565045][ T8484] overlayfs: upper fs does not support tmpfile. [ 217.566527][ T8487] overlayfs: upper fs needs to support d_type. [ 217.573008][ T8483] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8481] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8492], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8492 [pid 8481] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8481] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8492 attached [pid 8492] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8492] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8492] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./185/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./185/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./185/bus") = 0 [pid 8482] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8482] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./185/binderfs", [pid 8482] <... futex resumed>) = 0 [pid 8482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./185/binderfs" [pid 8482] <... mmap resumed>) = 0x7f6a509b4000 [pid 8482] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./185") = 0 [pid 8485] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8482] <... mprotect resumed>) = 0 [pid 8485] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8482] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8485] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8493 attached [pid 8485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8493] set_robust_list(0x7f6a509d49e0, 24 [pid 8485] <... mmap resumed>) = 0x7f6a509b4000 [ 217.596488][ T8484] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 217.610404][ T8483] overlayfs: failed to resolve './file0': -2 [ 217.620719][ T8487] overlayfs: upper fs does not support tmpfile. [ 217.621416][ T8484] overlayfs: failed to resolve './file0': -2 [pid 8482] <... clone resumed>, parent_tid=[8493], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8493 [pid 8493] <... set_robust_list resumed>) = 0 [pid 8485] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8485] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8493] mkdir(".", 0777 [pid 8482] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8485] <... clone resumed>, parent_tid=[8494], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8494 [pid 8485] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8485] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] mkdir("./186", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 8493] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8482] <... futex resumed>) = 0 [pid 8493] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8482] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8483] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8484] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8484] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8483] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8484] <... futex resumed>) = 0 [pid 8483] <... futex resumed>) = 0 [pid 8484] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8483] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8487] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8487] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8494 attached [pid 8494] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8494] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8494] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8495 ./strace-static-x86_64: Process 8495 attached [ 217.646909][ T8487] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 217.648569][ T8492] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 217.655681][ T8487] overlayfs: failed to resolve './file0': -2 [ 217.683564][ T8493] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8495] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8493] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8492] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8487] <... futex resumed>) = 0 [pid 8493] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8487] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8493] <... futex resumed>) = 1 [pid 8482] <... futex resumed>) = 0 [pid 8493] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8482] exit_group(0 [pid 8493] <... futex resumed>) = ? [pid 8484] <... futex resumed>) = ? [pid 8482] <... exit_group resumed>) = ? [pid 8493] +++ exited with 0 +++ [pid 8484] +++ exited with 0 +++ [pid 8482] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8482, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8492] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8495] chdir("./186" [pid 8492] <... futex resumed>) = 1 [pid 8492] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8495] <... chdir resumed>) = 0 [pid 8495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8495] setpgid(0, 0) = 0 [pid 8495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8481] <... futex resumed>) = 0 [pid 8495] <... openat resumed>) = 3 [pid 8495] write(3, "1000", 4 [pid 8481] exit_group(0 [pid 8495] <... write resumed>) = 4 [pid 8483] <... futex resumed>) = ? [pid 8481] <... exit_group resumed>) = ? [pid 8495] close(3 [pid 8483] +++ exited with 0 +++ [pid 8495] <... close resumed>) = 0 [pid 8495] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8495] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8495] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8495] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8496], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8496 [pid 8495] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8495] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8492] <... futex resumed>) = ? ./strace-static-x86_64: Process 8496 attached [pid 8496] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8496] memfd_create("syzkaller", 0) = 3 [pid 8496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8492] +++ exited with 0 +++ [pid 8481] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8481, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8494] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8494] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8485] <... futex resumed>) = 0 [pid 8494] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8485] exit_group(0 [pid 8494] <... futex resumed>) = ? [pid 8487] <... futex resumed>) = ? [pid 8485] <... exit_group resumed>) = ? [pid 8487] +++ exited with 0 +++ [pid 8494] +++ exited with 0 +++ [pid 8485] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8485, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [ 217.690905][ T8494] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = 0 [pid 8496] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./186/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./186/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./186/bus") = 0 [pid 5001] lstat("./185/bus", [pid 4998] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] lstat("./186/binderfs", [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./186/binderfs" [pid 5001] openat(AT_FDCWD, "./185/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... unlink resumed>) = 0 [pid 5001] <... openat resumed>) = 4 [pid 4998] getdents64(3, [pid 5001] fstat(4, [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] close(3 [pid 5001] getdents64(4, [pid 4998] <... close resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] rmdir("./186" [pid 5001] getdents64(4, [pid 4998] <... rmdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] mkdir("./187", 0777 [pid 5001] close(4 [pid 4998] <... mkdir resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] rmdir("./185/bus" [pid 4998] <... openat resumed>) = 3 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 5001] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] close(3 [pid 5001] lstat("./185/binderfs", [pid 4998] <... close resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] unlink("./185/binderfs") = 0 [pid 5001] getdents64(3, [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8497 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./185") = 0 [pid 5001] mkdir("./186", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8498 ./strace-static-x86_64: Process 8498 attached ./strace-static-x86_64: Process 8497 attached [pid 8496] <... write resumed>) = 4194304 [pid 8498] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8497] set_robust_list(0x5555564f86e0, 24 [pid 8498] chdir("./186" [pid 8497] <... set_robust_list resumed>) = 0 [pid 8498] <... chdir resumed>) = 0 [pid 8497] chdir("./187" [pid 8498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8497] <... chdir resumed>) = 0 [pid 8498] <... prctl resumed>) = 0 [pid 8497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8498] setpgid(0, 0 [pid 8497] <... prctl resumed>) = 0 [pid 8498] <... setpgid resumed>) = 0 [pid 8497] setpgid(0, 0 [pid 8496] munmap(0x7f6a505d5000, 4194304 [pid 8498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8497] <... setpgid resumed>) = 0 [pid 8498] <... openat resumed>) = 3 [pid 8497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8498] write(3, "1000", 4 [pid 8497] <... openat resumed>) = 3 [pid 8498] <... write resumed>) = 4 [pid 8497] write(3, "1000", 4 [pid 8498] close(3 [pid 8497] <... write resumed>) = 4 [pid 8498] <... close resumed>) = 0 [pid 8497] close(3 [pid 8498] symlink("/dev/binderfs", "./binderfs" [pid 8497] <... close resumed>) = 0 [pid 8498] <... symlink resumed>) = 0 [pid 8497] symlink("/dev/binderfs", "./binderfs" [pid 8498] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8497] <... symlink resumed>) = 0 [pid 8498] <... futex resumed>) = 0 [pid 8498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8497] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8496] <... munmap resumed>) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 8498] <... mmap resumed>) = 0x7f6a589d5000 [pid 8497] <... futex resumed>) = 0 [pid 8496] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8498] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8497] <... mmap resumed>) = 0x7f6a589d5000 [pid 8496] <... openat resumed>) = 4 [pid 5000] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8498] <... mprotect resumed>) = 0 [pid 8497] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8496] ioctl(4, LOOP_SET_FD, 3 [pid 8498] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8497] <... mprotect resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./187/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./187/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./187/bus") = 0 [pid 5000] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./187/binderfs") = 0 [pid 8496] <... ioctl resumed>) = 0 [pid 8497] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] getdents64(3, [pid 8498] <... clone resumed>, parent_tid=[8499], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8499 [pid 8497] <... clone resumed>, parent_tid=[8500], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8500 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8498] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8497] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8498] <... futex resumed>) = 0 [pid 8497] <... futex resumed>) = 0 [pid 8498] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8497] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] close(3) = 0 [pid 5000] rmdir("./187") = 0 [pid 8496] close(3) = 0 [pid 5000] mkdir("./188", 0777 [pid 8496] mkdir("./bus", 0777 [pid 5000] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8496] <... mkdir resumed>) = 0 [pid 5000] <... openat resumed>) = 3 ./strace-static-x86_64: Process 8500 attached ./strace-static-x86_64: Process 8499 attached [pid 8496] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8500] set_robust_list(0x7f6a589f59e0, 24 [pid 8499] set_robust_list(0x7f6a589f59e0, 24 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 8499] <... set_robust_list resumed>) = 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8500] <... set_robust_list resumed>) = 0 [pid 8500] memfd_create("syzkaller", 0 [pid 8499] memfd_create("syzkaller", 0 [pid 5000] close(3 [pid 8500] <... memfd_create resumed>) = 3 [pid 8499] <... memfd_create resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 8500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8500] <... mmap resumed>) = 0x7f6a505d5000 [pid 8499] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8502 ./strace-static-x86_64: Process 8502 attached [pid 8502] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8502] chdir("./188") = 0 [pid 8502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8502] setpgid(0, 0) = 0 [pid 8502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8502] write(3, "1000", 4) = 4 [pid 8502] close(3) = 0 [pid 8502] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8502] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8502] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [ 217.847615][ T8496] loop0: detected capacity change from 0 to 8192 [ 217.874120][ T8496] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8502] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8503 attached [pid 8499] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8502] <... clone resumed>, parent_tid=[8503], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8503 [pid 8502] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8502] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8503] set_robust_list(0x7f6a589f59e0, 24 [pid 8500] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8503] <... set_robust_list resumed>) = 0 [pid 8503] memfd_create("syzkaller", 0) = 3 [pid 8503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8500] <... write resumed>) = 4194304 [pid 8500] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8500] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 217.896096][ T8496] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 217.929036][ T8496] REISERFS (device loop0): using ordered data mode [ 217.935635][ T8496] reiserfs: using flush barriers [pid 8500] ioctl(4, LOOP_SET_FD, 3 [pid 8503] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8500] <... ioctl resumed>) = 0 [pid 8500] close(3) = 0 [pid 8500] mkdir("./bus", 0777) = 0 [pid 8500] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8503] <... write resumed>) = 4194304 [pid 8499] <... write resumed>) = 4194304 [pid 8499] munmap(0x7f6a505d5000, 4194304 [pid 8503] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8499] <... munmap resumed>) = 0 [pid 8499] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 217.944514][ T8500] loop1: detected capacity change from 0 to 8192 [ 217.949514][ T8496] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 217.970697][ T8500] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 217.986767][ T8496] REISERFS (device loop0): checking transaction log (loop0) [pid 8499] ioctl(4, LOOP_SET_FD, 3 [pid 8503] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8499] <... ioctl resumed>) = 0 [pid 8499] close(3) = 0 [pid 8499] mkdir("./bus", 0777) = 0 [pid 8499] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8503] <... openat resumed>) = 4 [pid 8503] ioctl(4, LOOP_SET_FD, 3) = 0 [ 217.995627][ T8500] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 217.999347][ T8499] loop4: detected capacity change from 0 to 8192 [ 218.005068][ T8500] REISERFS (device loop1): using ordered data mode [ 218.017660][ T8503] loop3: detected capacity change from 0 to 8192 [ 218.018427][ T8496] REISERFS (device loop0): Using r5 hash to sort names [ 218.024410][ T8500] reiserfs: using flush barriers [pid 8503] close(3) = 0 [pid 8496] <... mount resumed>) = 0 [pid 8496] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8496] chdir("./bus") = 0 [pid 8496] ioctl(4, LOOP_CLR_FD) = 0 [pid 8496] close(4) = 0 [pid 8496] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8495] <... futex resumed>) = 0 [pid 8495] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8495] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8496] <... futex resumed>) = 1 [pid 8496] mkdir("./file1", 000) = 0 [pid 8496] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8495] <... futex resumed>) = 0 [pid 8495] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8495] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8496] <... futex resumed>) = 1 [pid 8496] mkdir("./bus", 000) = 0 [pid 8496] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8495] <... futex resumed>) = 0 [pid 8495] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8495] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8496] <... futex resumed>) = 1 [pid 8496] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 218.032328][ T8499] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.037043][ T8496] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.062026][ T8496] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 218.062096][ T8500] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.075342][ T8499] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8503] mkdir("./bus", 0777) = 0 [pid 8503] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8495] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8495] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8495] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8495] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8507], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8507 [pid 8495] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8495] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8507 attached [pid 8507] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8507] mkdir(".", 0777) = -1 EEXIST (File exists) [ 218.096947][ T8496] overlayfs: upper fs needs to support d_type. [ 218.103410][ T8499] REISERFS (device loop4): using ordered data mode [ 218.110239][ T8496] overlayfs: upper fs does not support tmpfile. [ 218.117114][ T8503] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.117254][ T8496] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 218.130851][ T8503] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 218.140290][ T8499] reiserfs: using flush barriers [ 218.147088][ T8500] REISERFS (device loop1): checking transaction log (loop1) [ 218.154389][ T8507] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 218.174178][ T8499] REISERFS (device loop4): Using r5 hash to sort names [ 218.174185][ T8500] REISERFS (device loop1): Using r5 hash to sort names [ 218.174327][ T8500] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.181171][ T8503] REISERFS (device loop3): using ordered data mode [ 218.188646][ T8499] REISERFS (device loop4): checking transaction log (loop4) [ 218.200812][ T8503] reiserfs: using flush barriers [ 218.207514][ T8500] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 218.216245][ T8496] overlayfs: failed to resolve './file0': -2 [pid 8507] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 8507] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8495] <... futex resumed>) = 0 [pid 8507] <... futex resumed>) = 1 [pid 8507] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8496] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8500] <... mount resumed>) = 0 [pid 8496] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8495] exit_group(0 [pid 8507] <... futex resumed>) = ? [pid 8495] <... exit_group resumed>) = ? [pid 8507] +++ exited with 0 +++ [pid 8500] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8496] <... futex resumed>) = ? [pid 8500] <... openat resumed>) = 3 [pid 8496] +++ exited with 0 +++ [pid 8495] +++ exited with 0 +++ [pid 8499] <... mount resumed>) = 0 [pid 8499] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8499] chdir("./bus") = 0 [pid 8499] ioctl(4, LOOP_CLR_FD) = 0 [pid 8499] close(4) = 0 [pid 8499] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8499] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8495, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 4997] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8500] chdir("./bus") = 0 [pid 8500] ioctl(4, LOOP_CLR_FD) = 0 [pid 8500] close(4) = 0 [pid 8500] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 218.234592][ T8503] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.251745][ T8499] REISERFS (device loop4): Using r5 hash to sort names [ 218.257612][ T8503] REISERFS (device loop3): checking transaction log (loop3) [ 218.260079][ T8499] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.280316][ T8499] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 218.282139][ T8503] REISERFS (device loop3): Using r5 hash to sort names [pid 8500] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8498] <... futex resumed>) = 0 [pid 8497] <... futex resumed>) = 0 [pid 8498] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8498] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8497] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8499] <... futex resumed>) = 0 [pid 8499] mkdir("./file1", 000) = 0 [pid 8499] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8498] <... futex resumed>) = 0 [pid 8499] mkdir("./bus", 000 [pid 8498] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8497] <... futex resumed>) = 1 [pid 8500] <... futex resumed>) = 0 [pid 8499] <... mkdir resumed>) = 0 [pid 8498] <... futex resumed>) = 0 [pid 8497] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8499] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8498] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8500] mkdir("./file1", 000 [pid 8499] <... futex resumed>) = 0 [pid 8498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8500] <... mkdir resumed>) = 0 [pid 8499] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8498] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8500] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8498] <... futex resumed>) = 0 [pid 8500] <... futex resumed>) = 1 [pid 8498] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8497] <... futex resumed>) = 0 [pid 8500] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8497] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8500] mkdir("./bus", 000 [pid 8497] <... futex resumed>) = 0 [pid 8500] <... mkdir resumed>) = 0 [pid 8497] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8500] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8500] <... futex resumed>) = 0 [pid 8497] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8500] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8497] <... futex resumed>) = 0 [ 218.296715][ T8503] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.318026][ T8499] overlayfs: upper fs needs to support d_type. [ 218.324245][ T8499] overlayfs: upper fs does not support tmpfile. [ 218.334149][ T8499] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 218.342391][ T8500] overlayfs: upper fs needs to support d_type. [pid 8497] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8503] <... mount resumed>) = 0 [pid 8503] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8503] chdir("./bus") = 0 [pid 8503] ioctl(4, LOOP_CLR_FD) = 0 [pid 8503] close(4) = 0 [pid 8503] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8503] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8502] <... futex resumed>) = 0 [pid 8502] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8499] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8499] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8498] <... futex resumed>) = 0 [pid 8499] mkdir(".", 0777 [pid 8498] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8499] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8498] <... futex resumed>) = 0 [pid 8499] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8498] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8502] <... futex resumed>) = 1 [pid 8502] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8503] <... futex resumed>) = 0 [pid 8503] mkdir("./file1", 000) = 0 [pid 8503] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8502] <... futex resumed>) = 0 [pid 8502] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8502] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8497] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8497] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8503] <... futex resumed>) = 1 [pid 8503] mkdir("./bus", 000) = 0 [pid 8503] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8502] <... futex resumed>) = 0 [pid 8502] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8502] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8503] <... futex resumed>) = 1 [pid 8503] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8497] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [ 218.343745][ T8499] overlayfs: failed to resolve './file0': -2 [ 218.356074][ T8503] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 218.363342][ T8500] overlayfs: upper fs does not support tmpfile. [ 218.378628][ T8499] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8497] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8508 attached , parent_tid=[8508], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8508 [pid 8508] set_robust_list(0x7f6a509d49e0, 24 [pid 8497] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8508] <... set_robust_list resumed>) = 0 [pid 8497] <... futex resumed>) = 0 [pid 8508] mkdir(".", 0777 [pid 8497] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8508] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8508] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4997] <... umount2 resumed>) = 0 [pid 8499] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8499] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8498] <... futex resumed>) = 0 [pid 8498] exit_group(0) = ? [pid 8499] <... futex resumed>) = ? [pid 8499] +++ exited with 0 +++ [pid 8498] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8498, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8502] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8502] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8502] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8502] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8509], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8509 [pid 8502] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 218.406491][ T8500] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 218.408202][ T8503] overlayfs: upper fs needs to support d_type. [ 218.430786][ T8508] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 218.444081][ T8503] overlayfs: upper fs does not support tmpfile. [pid 8502] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8508] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./186/bus", [pid 8508] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8500] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 8509 attached [pid 8509] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8509] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8509] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8508] <... futex resumed>) = 1 [pid 8500] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8508] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8500] <... futex resumed>) = 0 [pid 8497] <... futex resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8500] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8497] exit_group(0 [pid 4997] openat(AT_FDCWD, "./186/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8500] <... futex resumed>) = ? [pid 8497] <... exit_group resumed>) = ? [pid 8508] <... futex resumed>) = ? [pid 8508] +++ exited with 0 +++ [pid 8500] +++ exited with 0 +++ [pid 4997] <... openat resumed>) = 4 [pid 8497] +++ exited with 0 +++ [pid 4997] fstat(4, [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8497, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... restart_syscall resumed>) = 0 [pid 4997] getdents64(4, [pid 4998] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] getdents64(4, [pid 4998] <... openat resumed>) = 3 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] close(4) = 0 [pid 4997] rmdir("./186/bus") = 0 [ 218.450595][ T8500] overlayfs: failed to resolve './file0': -2 [ 218.468036][ T8503] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 218.480900][ T8503] overlayfs: failed to resolve './file0': -2 [pid 4997] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./186/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./186/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 4997] unlink("./186/binderfs") = 0 [pid 4997] getdents64(3, [pid 8503] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8503] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] close(3 [pid 8503] <... futex resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 8503] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4997] rmdir("./186" [pid 5001] rmdir("./186/bus" [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./187", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./186/binderfs") = 0 [pid 5001] getdents64(3, [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8510 [pid 5001] rmdir("./186") = 0 [pid 5001] mkdir("./187", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 8510 attached [pid 8510] set_robust_list(0x5555564f86e0, 24 [pid 5001] <... openat resumed>) = 3 [pid 8510] <... set_robust_list resumed>) = 0 [ 218.495383][ T8509] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] ioctl(3, LOOP_CLR_FD [pid 8510] chdir("./187") = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8510] setpgid(0, 0) = 0 [pid 8510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8511 [pid 8510] <... openat resumed>) = 3 [pid 8510] write(3, "1000", 4) = 4 [pid 8510] close(3) = 0 ./strace-static-x86_64: Process 8511 attached [pid 8510] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8510] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8510] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8510] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8512], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8512 [pid 8510] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8510] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8511] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8511] chdir("./187" [pid 8509] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8511] <... chdir resumed>) = 0 [pid 8509] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8509] <... futex resumed>) = 1 [pid 8502] <... futex resumed>) = 0 [pid 8511] <... prctl resumed>) = 0 [pid 8509] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8502] exit_group(0./strace-static-x86_64: Process 8512 attached [pid 8511] setpgid(0, 0 [pid 8509] <... futex resumed>) = ? [pid 8503] <... futex resumed>) = ? [pid 8502] <... exit_group resumed>) = ? [pid 4998] <... umount2 resumed>) = 0 [pid 8512] set_robust_list(0x7f6a589f59e0, 24 [pid 8503] +++ exited with 0 +++ [pid 4998] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8512] <... set_robust_list resumed>) = 0 [pid 8511] <... setpgid resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8512] memfd_create("syzkaller", 0 [pid 4998] lstat("./187/bus", [pid 8512] <... memfd_create resumed>) = 3 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4998] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8512] <... mmap resumed>) = 0x7f6a505d5000 [pid 8511] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8511] write(3, "1000", 4) = 4 [pid 8509] +++ exited with 0 +++ [pid 8502] +++ exited with 0 +++ [pid 4998] openat(AT_FDCWD, "./187/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8511] close(3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8502, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8511] <... close resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... openat resumed>) = 4 [pid 8511] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... restart_syscall resumed>) = 0 [pid 8511] <... symlink resumed>) = 0 [pid 4998] fstat(4, [pid 8511] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5000] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8511] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] getdents64(4, [pid 8511] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... openat resumed>) = 3 [pid 8511] <... mprotect resumed>) = 0 [pid 5000] fstat(3, [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8511] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, [pid 5000] getdents64(3, [pid 8511] <... clone resumed>, parent_tid=[8513], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8513 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8511] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] close(4./strace-static-x86_64: Process 8513 attached [pid 8511] <... futex resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 8513] set_robust_list(0x7f6a589f59e0, 24 [pid 8511] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] rmdir("./187/bus" [pid 8513] <... set_robust_list resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 8513] memfd_create("syzkaller", 0 [pid 4998] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8513] <... memfd_create resumed>) = 3 [pid 8513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8513] <... mmap resumed>) = 0x7f6a505d5000 [pid 4998] lstat("./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8512] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] unlink("./187/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./187") = 0 [pid 4998] mkdir("./188", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./188/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./188/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./188/bus" [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... rmdir resumed>) = 0 [pid 5000] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8514 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./188/binderfs", [pid 8513] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 8514 attached [pid 8514] set_robust_list(0x5555564f86e0, 24 [pid 5000] unlink("./188/binderfs" [pid 8514] <... set_robust_list resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 8514] chdir("./188" [pid 5000] getdents64(3, [pid 8514] <... chdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] close(3 [pid 8514] <... prctl resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 8514] setpgid(0, 0 [pid 5000] rmdir("./188" [pid 8514] <... setpgid resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 8514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8512] <... write resumed>) = 4194304 [pid 5000] mkdir("./189", 0777 [pid 8514] <... openat resumed>) = 3 [pid 8514] write(3, "1000", 4 [pid 8512] munmap(0x7f6a505d5000, 4194304 [pid 5000] <... mkdir resumed>) = 0 [pid 8514] <... write resumed>) = 4 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8514] close(3) = 0 [pid 5000] <... openat resumed>) = 3 [pid 8514] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8512] <... munmap resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 8512] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8514] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8512] <... openat resumed>) = 4 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8514] <... futex resumed>) = 0 [pid 5000] close(3 [pid 8512] ioctl(4, LOOP_SET_FD, 3 [pid 8514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8513] <... write resumed>) = 4194304 [pid 5000] <... close resumed>) = 0 [pid 8514] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8514] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8515 [pid 8514] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8516], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8516 [pid 8514] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8514] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8516 attached [pid 8516] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8516] memfd_create("syzkaller", 0./strace-static-x86_64: Process 8515 attached [pid 8513] munmap(0x7f6a505d5000, 4194304 [pid 8512] <... ioctl resumed>) = 0 [pid 8516] <... memfd_create resumed>) = 3 [pid 8512] close(3 [pid 8515] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8515] chdir("./189" [pid 8512] <... close resumed>) = 0 [pid 8512] mkdir("./bus", 0777 [pid 8516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8513] <... munmap resumed>) = 0 [pid 8512] <... mkdir resumed>) = 0 [pid 8513] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8516] <... mmap resumed>) = 0x7f6a505d5000 [pid 8515] <... chdir resumed>) = 0 [pid 8512] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8513] <... openat resumed>) = 4 [pid 8515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8513] ioctl(4, LOOP_SET_FD, 3 [pid 8516] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8515] setpgid(0, 0) = 0 [pid 8515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8515] write(3, "1000", 4) = 4 [pid 8515] close(3) = 0 [pid 8515] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8515] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8515] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8515] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8518], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8518 [pid 8515] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8513] <... ioctl resumed>) = 0 [pid 8515] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8513] close(3) = 0 [pid 8513] mkdir("./bus", 0777) = 0 [pid 8513] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8518 attached [pid 8518] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8518] memfd_create("syzkaller", 0) = 3 [pid 8518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 218.672957][ T8512] loop0: detected capacity change from 0 to 8192 [ 218.685659][ T8513] loop4: detected capacity change from 0 to 8192 [ 218.693277][ T8512] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8516] <... write resumed>) = 4194304 [pid 8516] munmap(0x7f6a505d5000, 4194304) = 0 [ 218.719148][ T8512] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 218.729822][ T8512] REISERFS (device loop0): using ordered data mode [ 218.730180][ T8513] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.736538][ T8512] reiserfs: using flush barriers [ 218.757672][ T8513] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8516] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8516] ioctl(4, LOOP_SET_FD, 3) = 0 [ 218.759658][ T8512] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.767342][ T8513] REISERFS (device loop4): using ordered data mode [ 218.789803][ T8513] reiserfs: using flush barriers [ 218.795370][ T8516] loop1: detected capacity change from 0 to 8192 [ 218.800628][ T8513] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8518] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8516] close(3) = 0 [pid 8516] mkdir("./bus", 0777) = 0 [ 218.802345][ T8512] REISERFS (device loop0): checking transaction log (loop0) [ 218.827987][ T8513] REISERFS (device loop4): checking transaction log (loop4) [ 218.828016][ T8512] REISERFS (device loop0): Using r5 hash to sort names [ 218.843046][ T8516] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.852544][ T8512] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8516] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8518] <... write resumed>) = 4194304 [pid 8512] <... mount resumed>) = 0 [pid 8518] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8518] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8518] ioctl(4, LOOP_SET_FD, 3 [pid 8512] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8512] chdir("./bus") = 0 [pid 8512] ioctl(4, LOOP_CLR_FD) = 0 [pid 8512] close(4) = 0 [pid 8512] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8510] <... futex resumed>) = 0 [pid 8510] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8510] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8512] <... futex resumed>) = 1 [pid 8512] mkdir("./file1", 000) = 0 [pid 8512] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8510] <... futex resumed>) = 0 [pid 8510] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8510] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8512] <... futex resumed>) = 1 [pid 8512] mkdir("./bus", 000) = 0 [pid 8512] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8510] <... futex resumed>) = 0 [pid 8510] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8510] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8512] <... futex resumed>) = 1 [pid 8512] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8518] <... ioctl resumed>) = 0 [pid 8518] close(3) = 0 [pid 8518] mkdir("./bus", 0777) = 0 [ 218.868862][ T8512] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 218.870086][ T8513] REISERFS (device loop4): Using r5 hash to sort names [ 218.880932][ T8518] loop3: detected capacity change from 0 to 8192 [ 218.886478][ T8513] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.900747][ T8516] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 218.915174][ T8512] overlayfs: upper fs needs to support d_type. [pid 8518] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8513] <... mount resumed>) = 0 [pid 8513] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8510] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8510] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8510] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8510] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8522], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8522 [pid 8510] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8510] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8522 attached [pid 8522] set_robust_list(0x7f6a509d49e0, 24 [pid 8513] <... openat resumed>) = 3 [pid 8513] chdir("./bus") = 0 [pid 8513] ioctl(4, LOOP_CLR_FD) = 0 [ 218.922270][ T8512] overlayfs: upper fs does not support tmpfile. [ 218.925531][ T8513] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 218.929573][ T8512] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 218.938694][ T8516] REISERFS (device loop1): using ordered data mode [ 218.945256][ T8518] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.951995][ T8516] reiserfs: using flush barriers [pid 8513] close(4) = 0 [pid 8513] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8511] <... futex resumed>) = 0 [pid 8513] mkdir("./file1", 000 [pid 8511] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8513] <... mkdir resumed>) = 0 [pid 8511] <... futex resumed>) = 0 [pid 8513] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8511] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8513] <... futex resumed>) = 0 [pid 8511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8513] mkdir("./bus", 000 [pid 8511] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8513] <... mkdir resumed>) = 0 [pid 8511] <... futex resumed>) = 0 [pid 8511] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8513] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8511] <... futex resumed>) = 0 [pid 8511] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8511] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8513] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8522] <... set_robust_list resumed>) = 0 [pid 8522] mkdir(".", 0777) = -1 EEXIST (File exists) [ 218.970638][ T8516] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.989889][ T8513] overlayfs: upper fs needs to support d_type. [ 218.996099][ T8513] overlayfs: upper fs does not support tmpfile. [ 219.001002][ T8516] REISERFS (device loop1): checking transaction log (loop1) [ 219.009825][ T8518] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 8522] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8511] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8511] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8511] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8511] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8523], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8523 [pid 8511] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8511] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8523 attached [pid 8523] set_robust_list(0x7f6a509d49e0, 24) = 0 [ 219.010787][ T8522] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 219.019117][ T8518] REISERFS (device loop3): using ordered data mode [ 219.040719][ T8518] reiserfs: using flush barriers [ 219.047030][ T8513] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 219.047988][ T8518] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8523] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8523] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8522] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8522] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8513] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8512] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8513] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8512] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8513] <... futex resumed>) = 0 [pid 8512] <... futex resumed>) = 0 [pid 8513] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8512] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8516] <... mount resumed>) = 0 [pid 8516] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 219.055002][ T8513] overlayfs: failed to resolve './file0': -2 [ 219.077713][ T8516] REISERFS (device loop1): Using r5 hash to sort names [ 219.085846][ T8512] overlayfs: failed to resolve './file0': -2 [ 219.086012][ T8516] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 219.092445][ T8518] REISERFS (device loop3): checking transaction log (loop3) [ 219.106793][ T8516] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8516] chdir("./bus") = 0 [pid 8516] ioctl(4, LOOP_CLR_FD) = 0 [pid 8516] close(4 [pid 8522] <... futex resumed>) = 1 [pid 8510] <... futex resumed>) = 0 [pid 8522] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8510] exit_group(0 [pid 8522] <... futex resumed>) = ? [pid 8512] <... futex resumed>) = ? [pid 8510] <... exit_group resumed>) = ? [pid 8522] +++ exited with 0 +++ [pid 8512] +++ exited with 0 +++ [pid 8510] +++ exited with 0 +++ [pid 8516] <... close resumed>) = 0 [pid 8516] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8516] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8514] <... futex resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8510, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 8514] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8523] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8514] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8523] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8516] <... futex resumed>) = 0 [pid 8516] mkdir("./file1", 000) = 0 [pid 8516] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8516] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8511] <... futex resumed>) = 0 [pid 8511] exit_group(0 [pid 8513] <... futex resumed>) = ? [pid 8511] <... exit_group resumed>) = ? [pid 8513] +++ exited with 0 +++ [pid 8523] <... futex resumed>) = ? [pid 8523] +++ exited with 0 +++ [pid 8511] +++ exited with 0 +++ [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8514] <... futex resumed>) = 0 [pid 8514] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8511, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8514] <... futex resumed>) = 1 [pid 8514] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8516] <... futex resumed>) = 0 [pid 8516] mkdir("./bus", 000) = 0 [pid 8516] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8514] <... futex resumed>) = 0 [pid 8514] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8514] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8516] <... futex resumed>) = 1 [ 219.115763][ T8523] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 219.139407][ T8518] REISERFS (device loop3): Using r5 hash to sort names [ 219.146705][ T8518] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 219.160324][ T8518] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8516] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8518] <... mount resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8518] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5001] <... openat resumed>) = 3 [pid 8518] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 8518] chdir("./bus" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8518] <... chdir resumed>) = 0 [pid 5001] getdents64(3, [pid 8518] ioctl(4, LOOP_CLR_FD [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8518] <... ioctl resumed>) = 0 [pid 5001] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8518] close(4) = 0 [pid 8518] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8518] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8515] <... futex resumed>) = 0 [pid 8515] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8518] <... futex resumed>) = 0 [pid 8515] <... futex resumed>) = 1 [pid 8518] mkdir("./file1", 000 [pid 8515] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8518] <... mkdir resumed>) = 0 [pid 8518] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8515] <... futex resumed>) = 0 [pid 8518] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8515] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8518] mkdir("./bus", 000 [pid 8515] <... futex resumed>) = 0 [pid 8518] <... mkdir resumed>) = 0 [pid 8515] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8518] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8518] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8515] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8518] <... futex resumed>) = 0 [pid 8515] <... futex resumed>) = 1 [pid 8518] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8515] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8514] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8514] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8514] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8514] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8524], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8524 [pid 8514] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 219.169521][ T8516] overlayfs: upper fs needs to support d_type. [ 219.169549][ T8516] overlayfs: upper fs does not support tmpfile. [ 219.169923][ T8516] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 219.193842][ T8516] overlayfs: failed to resolve './file0': -2 [ 219.202508][ T8518] overlayfs: upper fs needs to support d_type. [ 219.218788][ T8518] overlayfs: upper fs does not support tmpfile. [pid 8514] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8516] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8516] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8524 attached [pid 8516] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8515] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8515] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8524] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8524] mkdir(".", 0777 [pid 8515] <... mmap resumed>) = 0x7f6a509b4000 [pid 8524] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8515] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8524] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8515] <... mprotect resumed>) = 0 [pid 8515] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8525], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8525 [pid 8515] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8515] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8525 attached [pid 8525] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8525] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8525] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8518] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] <... umount2 resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 8518] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8518] <... futex resumed>) = 0 [pid 8518] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./187/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./187/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... openat resumed>) = 4 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 219.237579][ T8518] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 219.247002][ T8518] overlayfs: failed to resolve './file0': -2 [ 219.271068][ T8524] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] fstat(4, [pid 4997] lstat("./187/bus", [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, [pid 4997] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] getdents64(4, [pid 4997] openat(AT_FDCWD, "./187/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] <... openat resumed>) = 4 [pid 5001] close(4 [pid 4997] fstat(4, [pid 5001] <... close resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] rmdir("./187/bus" [pid 4997] getdents64(4, [pid 5001] <... rmdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(4, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] lstat("./187/binderfs", [pid 4997] close(4 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... close resumed>) = 0 [pid 5001] unlink("./187/binderfs" [pid 4997] rmdir("./187/bus" [pid 5001] <... unlink resumed>) = 0 [pid 5001] getdents64(3, [pid 4997] <... rmdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3 [pid 4997] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... close resumed>) = 0 [pid 5001] rmdir("./187" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./188", 0777 [pid 4997] lstat("./187/binderfs", [pid 5001] <... mkdir resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4997] unlink("./187/binderfs" [pid 8525] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8525] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8524] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8525] <... futex resumed>) = 1 [pid 8515] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4997] <... unlink resumed>) = 0 [pid 8525] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8524] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8515] exit_group(0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4997] getdents64(3, [pid 8525] <... futex resumed>) = ? [pid 8524] <... futex resumed>) = 1 [pid 8518] <... futex resumed>) = ? [pid 8515] <... exit_group resumed>) = ? [pid 8514] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8525] +++ exited with 0 +++ [pid 8524] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8518] +++ exited with 0 +++ [pid 8515] +++ exited with 0 +++ [pid 8514] exit_group(0 [pid 5001] close(3 [pid 4997] close(3 [pid 8524] <... futex resumed>) = ? [pid 8516] <... futex resumed>) = ? [pid 8514] <... exit_group resumed>) = ? [pid 5001] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 8516] +++ exited with 0 +++ [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] rmdir("./187") = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8526 [pid 4997] mkdir("./188", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8527 ./strace-static-x86_64: Process 8526 attached [pid 8526] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8526] chdir("./188") = 0 [pid 8526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8524] +++ exited with 0 +++ [pid 8514] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8515, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8514, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 8526] setpgid(0, 0) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 4998] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] fstat(3, [pid 5000] <... openat resumed>) = 3 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] fstat(3, [pid 4998] getdents64(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] getdents64(3, [pid 4998] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8526] <... openat resumed>) = 3 [pid 8526] write(3, "1000", 4) = 4 [pid 8526] close(3) = 0 [pid 8526] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8526] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8526] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8526] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8528], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8528 [pid 8526] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8528 attached ./strace-static-x86_64: Process 8527 attached [pid 8528] set_robust_list(0x7f6a589f59e0, 24 [pid 8527] set_robust_list(0x5555564f86e0, 24 [pid 8526] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8528] <... set_robust_list resumed>) = 0 [pid 8527] <... set_robust_list resumed>) = 0 [pid 8528] memfd_create("syzkaller", 0) = 3 [pid 8527] chdir("./188" [pid 8528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8527] <... chdir resumed>) = 0 [pid 8528] <... mmap resumed>) = 0x7f6a505d5000 [pid 8527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8527] setpgid(0, 0) = 0 [ 219.286235][ T8525] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8527] write(3, "1000", 4) = 4 [pid 8527] close(3) = 0 [pid 8527] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8527] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8527] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8527] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8529], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8529 [pid 8527] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8527] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8529 attached [pid 8529] set_robust_list(0x7f6a589f59e0, 24 [pid 4998] <... umount2 resumed>) = 0 [pid 8529] <... set_robust_list resumed>) = 0 [pid 8529] memfd_create("syzkaller", 0) = 3 [pid 8529] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./188/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 4998] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./188/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] lstat("./189/bus", [pid 4998] <... openat resumed>) = 4 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] fstat(4, [pid 5000] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(4, [pid 5000] openat(AT_FDCWD, "./189/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] <... openat resumed>) = 4 [pid 4998] getdents64(4, [pid 5000] fstat(4, [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] close(4 [pid 5000] getdents64(4, [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./188/bus" [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, [pid 4998] <... rmdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] close(4 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... close resumed>) = 0 [pid 4998] lstat("./188/binderfs", [pid 8529] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] rmdir("./189/bus" [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] unlink("./188/binderfs" [pid 5000] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... unlink resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(3, [pid 5000] lstat("./189/binderfs", [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] close(3 [pid 5000] unlink("./189/binderfs" [pid 4998] <... close resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] rmdir("./188" [pid 5000] getdents64(3, [pid 4998] <... rmdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] mkdir("./189", 0777 [pid 5000] close(3 [pid 4998] <... mkdir resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./189" [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 5000] mkdir("./190", 0777) = 0 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] <... openat resumed>) = 3 [pid 4998] close(3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4998] <... close resumed>) = 0 [pid 8528] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] close(3) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8530 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8531 ./strace-static-x86_64: Process 8530 attached [pid 8530] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8530] chdir("./189") = 0 [pid 8530] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 8531 attached [pid 8531] set_robust_list(0x5555564f86e0, 24 [pid 8530] <... prctl resumed>) = 0 [pid 8531] <... set_robust_list resumed>) = 0 [pid 8531] chdir("./190" [pid 8530] setpgid(0, 0 [pid 8531] <... chdir resumed>) = 0 [pid 8531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8531] setpgid(0, 0 [pid 8530] <... setpgid resumed>) = 0 [pid 8530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8530] write(3, "1000", 4) = 4 [pid 8530] close(3) = 0 [pid 8531] <... setpgid resumed>) = 0 [pid 8531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8531] write(3, "1000", 4) = 4 [pid 8530] symlink("/dev/binderfs", "./binderfs" [pid 8531] close(3) = 0 [pid 8531] symlink("/dev/binderfs", "./binderfs" [pid 8530] <... symlink resumed>) = 0 [pid 8531] <... symlink resumed>) = 0 [pid 8530] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8529] <... write resumed>) = 4194304 [pid 8531] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8530] <... futex resumed>) = 0 [pid 8529] munmap(0x7f6a505d5000, 4194304 [pid 8531] <... futex resumed>) = 0 [pid 8530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8529] <... munmap resumed>) = 0 [pid 8531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8530] <... mmap resumed>) = 0x7f6a589d5000 [pid 8531] <... mmap resumed>) = 0x7f6a589d5000 [pid 8530] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8531] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8530] <... mprotect resumed>) = 0 [pid 8531] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8530] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8529] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8531] <... clone resumed>, parent_tid=[8532], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8532 [pid 8530] <... clone resumed>, parent_tid=[8533], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8533 [pid 8529] <... openat resumed>) = 4 [pid 8531] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8530] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8529] ioctl(4, LOOP_SET_FD, 3 [pid 8531] <... futex resumed>) = 0 [pid 8530] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8532 attached [pid 8531] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8530] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8529] <... ioctl resumed>) = 0 [pid 8529] close(3) = 0 [pid 8529] mkdir("./bus", 0777 [pid 8532] set_robust_list(0x7f6a589f59e0, 24./strace-static-x86_64: Process 8533 attached ) = 0 [pid 8533] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8532] memfd_create("syzkaller", 0) = 3 [pid 8532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8529] <... mkdir resumed>) = 0 [pid 8529] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8532] <... mmap resumed>) = 0x7f6a505d5000 [pid 8533] memfd_create("syzkaller", 0) = 3 [pid 8533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8528] <... write resumed>) = 4194304 [pid 8528] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8528] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8528] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8528] close(3) = 0 [pid 8528] mkdir("./bus", 0777) = 0 [pid 8528] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 219.467438][ T8529] loop0: detected capacity change from 0 to 8192 [ 219.487515][ T8529] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.502102][ T8528] loop4: detected capacity change from 0 to 8192 [pid 8532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8533] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8532] <... write resumed>) = 4194304 [ 219.511661][ T8529] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 219.521736][ T8529] REISERFS (device loop0): using ordered data mode [ 219.529222][ T8528] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.542389][ T8529] reiserfs: using flush barriers [ 219.547814][ T8528] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8532] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8532] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8532] ioctl(4, LOOP_SET_FD, 3 [pid 8533] <... write resumed>) = 4194304 [pid 8532] <... ioctl resumed>) = 0 [pid 8533] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8533] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8533] ioctl(4, LOOP_SET_FD, 3 [ 219.566969][ T8529] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 219.572684][ T8532] loop3: detected capacity change from 0 to 8192 [ 219.585056][ T8528] REISERFS (device loop4): using ordered data mode [ 219.589882][ T8529] REISERFS (device loop0): checking transaction log (loop0) [ 219.599360][ T8533] loop1: detected capacity change from 0 to 8192 [ 219.604633][ T8529] REISERFS (device loop0): Using r5 hash to sort names [pid 8532] close(3) = 0 [pid 8533] <... ioctl resumed>) = 0 [pid 8533] close(3) = 0 [pid 8533] mkdir("./bus", 0777) = 0 [pid 8533] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8532] mkdir("./bus", 0777) = 0 [ 219.610643][ T8528] reiserfs: using flush barriers [ 219.617358][ T8529] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 219.627043][ T8528] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 219.635075][ T8529] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8532] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8529] <... mount resumed>) = 0 [pid 8529] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8529] chdir("./bus") = 0 [pid 8529] ioctl(4, LOOP_CLR_FD) = 0 [pid 8529] close(4) = 0 [pid 8529] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8527] <... futex resumed>) = 0 [pid 8529] mkdir("./file1", 000 [pid 8527] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8529] <... mkdir resumed>) = 0 [pid 8527] <... futex resumed>) = 0 [pid 8529] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8529] <... futex resumed>) = 0 [pid 8527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8529] mkdir("./bus", 000 [pid 8527] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8529] <... mkdir resumed>) = 0 [pid 8527] <... futex resumed>) = 0 [pid 8529] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8529] <... futex resumed>) = 0 [pid 8527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 219.661380][ T8528] REISERFS (device loop4): checking transaction log (loop4) [ 219.668789][ T8533] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.683075][ T8533] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 219.684219][ T8528] REISERFS (device loop4): Using r5 hash to sort names [ 219.692335][ T8533] REISERFS (device loop1): using ordered data mode [ 219.705680][ T8533] reiserfs: using flush barriers [pid 8529] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8527] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 219.711542][ T8533] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 219.714974][ T8529] overlayfs: upper fs needs to support d_type. [ 219.727933][ T8533] REISERFS (device loop1): checking transaction log (loop1) [ 219.741457][ T8528] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 219.754303][ T8529] overlayfs: upper fs does not support tmpfile. [pid 8527] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8527] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 219.754894][ T8532] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.763674][ T8529] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 219.774399][ T8528] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 219.780996][ T8533] REISERFS (device loop1): Using r5 hash to sort names [ 219.796816][ T8532] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 219.797393][ T8533] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8528] <... mount resumed>) = 0 [pid 8527] <... mmap resumed>) = 0x7f6a509b4000 [pid 8528] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8527] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8529] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8529] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8529] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8533] <... mount resumed>) = 0 [pid 8533] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8533] chdir("./bus") = 0 [pid 8533] ioctl(4, LOOP_CLR_FD) = 0 [pid 8533] close(4) = 0 [pid 8533] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8530] <... futex resumed>) = 0 [pid 8530] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8530] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8533] <... futex resumed>) = 1 [pid 8533] mkdir("./file1", 000) = 0 [pid 8533] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8530] <... futex resumed>) = 0 [pid 8530] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8530] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8533] <... futex resumed>) = 1 [pid 8533] mkdir("./bus", 000) = 0 [pid 8533] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8530] <... futex resumed>) = 0 [pid 8530] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8530] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8533] <... futex resumed>) = 1 [pid 8533] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8528] <... openat resumed>) = 3 [pid 8528] chdir("./bus") = 0 [pid 8528] ioctl(4, LOOP_CLR_FD) = 0 [pid 8528] close(4) = 0 [pid 8528] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8528] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8527] <... mprotect resumed>) = 0 [pid 8527] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8538], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8538 [pid 8527] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8527] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8538 attached [pid 8526] <... futex resumed>) = 0 [pid 8538] set_robust_list(0x7f6a509d49e0, 24 [pid 8526] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8538] <... set_robust_list resumed>) = 0 [pid 8528] <... futex resumed>) = 0 [pid 8526] <... futex resumed>) = 1 [pid 8538] mkdir(".", 0777 [pid 8528] mkdir("./file1", 000 [pid 8526] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8538] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8528] <... mkdir resumed>) = 0 [pid 8538] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 219.820222][ T8529] overlayfs: failed to resolve './file0': -2 [ 219.826319][ T8532] REISERFS (device loop3): using ordered data mode [ 219.826816][ T8533] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 219.842974][ T8532] reiserfs: using flush barriers [ 219.849800][ T8532] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8528] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8526] <... futex resumed>) = 0 [pid 8528] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8526] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8526] <... futex resumed>) = 0 [pid 8530] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8528] mkdir("./bus", 000 [pid 8526] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8530] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 8530] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8530] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8530] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8539], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8539 [pid 8530] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8530] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8528] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 8539 attached [pid 8539] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8528] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8526] <... futex resumed>) = 0 [pid 8528] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8526] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8526] <... futex resumed>) = 0 [pid 8528] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8526] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8539] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8539] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8538] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8538] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] <... futex resumed>) = 0 [pid 8527] exit_group(0 [pid 8529] <... futex resumed>) = ? [pid 8527] <... exit_group resumed>) = ? [pid 8529] +++ exited with 0 +++ [pid 8538] <... futex resumed>) = ? [pid 8538] +++ exited with 0 +++ [pid 8527] +++ exited with 0 +++ [ 219.854574][ T8533] overlayfs: upper fs needs to support d_type. [ 219.869564][ T8538] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 219.887501][ T8533] overlayfs: upper fs does not support tmpfile. [ 219.901400][ T8528] overlayfs: upper fs needs to support d_type. [ 219.905219][ T8532] REISERFS (device loop3): checking transaction log (loop3) [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8527, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [ 219.915533][ T8528] overlayfs: upper fs does not support tmpfile. [ 219.921537][ T8533] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 219.924741][ T8539] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 219.935825][ T8528] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 219.952948][ T8528] overlayfs: failed to resolve './file0': -2 [ 219.953135][ T8533] overlayfs: failed to resolve './file0': -2 [pid 8539] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8526] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8539] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8526] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8539] <... futex resumed>) = 1 [pid 8526] <... futex resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8539] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8526] <... mmap resumed>) = 0x7f6a509b4000 [pid 4997] <... openat resumed>) = 3 [pid 8526] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4997] fstat(3, [pid 8526] <... mprotect resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8526] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8526] <... clone resumed>, parent_tid=[8540], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8540 [pid 4997] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8526] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8526] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8530] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8540 attached [pid 8540] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8540] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8540] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8532] <... mount resumed>) = 0 [pid 8532] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8533] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8533] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8530] exit_group(0 [pid 8539] <... futex resumed>) = ? [pid 8530] <... exit_group resumed>) = ? [pid 8539] +++ exited with 0 +++ [pid 8533] +++ exited with 0 +++ [pid 8530] +++ exited with 0 +++ [pid 8528] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8530, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 8528] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8528] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8532] chdir("./bus") = 0 [pid 8532] ioctl(4, LOOP_CLR_FD) = 0 [pid 8532] close(4) = 0 [pid 8532] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8531] <... futex resumed>) = 0 [pid 8531] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8531] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8532] <... futex resumed>) = 1 [pid 8532] mkdir("./file1", 000) = 0 [pid 8532] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8531] <... futex resumed>) = 0 [pid 8531] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4998] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8531] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8532] <... futex resumed>) = 1 [pid 4998] <... openat resumed>) = 3 [pid 8532] mkdir("./bus", 000 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8532] <... mkdir resumed>) = 0 [pid 8532] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8531] <... futex resumed>) = 0 [pid 8532] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8531] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 219.965369][ T8532] REISERFS (device loop3): Using r5 hash to sort names [ 219.973036][ T8532] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 219.986551][ T8532] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 220.002726][ T8540] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8531] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8540] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8540] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8526] <... futex resumed>) = 0 [pid 8540] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8526] exit_group(0 [pid 8540] <... futex resumed>) = ? [pid 8528] <... futex resumed>) = ? [pid 8526] <... exit_group resumed>) = ? [pid 8540] +++ exited with 0 +++ [pid 8528] +++ exited with 0 +++ [pid 8526] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8526, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5001] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8531] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8531] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 8531] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8531] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8531] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8541], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8541 [pid 8531] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8531] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8541 attached [ 220.026214][ T8532] overlayfs: upper fs needs to support d_type. [ 220.035466][ T8532] overlayfs: upper fs does not support tmpfile. [pid 8541] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8541] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8541] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./188/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./188/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./188/bus") = 0 [pid 4997] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./188/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 4997] rmdir("./188") = 0 [pid 4998] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] mkdir("./189", 0777 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./189/bus", [pid 4997] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... openat resumed>) = 3 [pid 4998] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] ioctl(3, LOOP_CLR_FD [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./189/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 5001] <... umount2 resumed>) = 0 [pid 4998] <... openat resumed>) = 4 [pid 4997] <... close resumed>) = 0 [pid 8541] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] fstat(4, [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8542 [pid 4998] rmdir("./189/bus") = 0 [pid 4998] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./189/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./189") = 0 [pid 4998] mkdir("./190", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8543 ./strace-static-x86_64: Process 8543 attached ./strace-static-x86_64: Process 8542 attached [pid 8543] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8542] set_robust_list(0x5555564f86e0, 24 [pid 8541] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8543] chdir("./190" [pid 8541] <... futex resumed>) = 1 [pid 8542] <... set_robust_list resumed>) = 0 [pid 8531] <... futex resumed>) = 0 [pid 5001] lstat("./188/bus", [pid 8543] <... chdir resumed>) = 0 [pid 8543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8541] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8543] <... prctl resumed>) = 0 [pid 8543] setpgid(0, 0) = 0 [pid 8543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8542] chdir("./189" [pid 5001] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8543] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./188/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8543] write(3, "1000", 4 [pid 8542] <... chdir resumed>) = 0 [pid 8543] <... write resumed>) = 4 [pid 8542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... openat resumed>) = 4 [pid 8543] close(3 [pid 8542] <... prctl resumed>) = 0 [pid 8543] <... close resumed>) = 0 [pid 5001] fstat(4, [pid 8542] setpgid(0, 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8543] symlink("/dev/binderfs", "./binderfs" [pid 8542] <... setpgid resumed>) = 0 [pid 8542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8532] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8542] <... openat resumed>) = 3 [pid 8532] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] getdents64(4, [pid 8542] write(3, "1000", 4 [pid 8532] <... futex resumed>) = 0 [pid 8542] <... write resumed>) = 4 [pid 8542] close(3) = 0 [pid 8542] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8532] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8531] exit_group(0 [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8542] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8532] <... futex resumed>) = ? [pid 8531] <... exit_group resumed>) = ? [pid 8542] <... futex resumed>) = 0 [pid 8532] +++ exited with 0 +++ [pid 8542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8541] <... futex resumed>) = ? [pid 5001] getdents64(4, [pid 8543] <... symlink resumed>) = 0 [pid 8542] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8542] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8544], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8544 [pid 8542] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8542] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8541] +++ exited with 0 +++ [pid 8531] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8531, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5001] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8544 attached [pid 8543] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 220.086755][ T8532] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 220.101627][ T8541] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 220.128556][ T8532] overlayfs: failed to resolve './file0': -2 [pid 5000] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8544] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8544] memfd_create("syzkaller", 0 [pid 5001] <... close resumed>) = 0 [pid 8544] <... memfd_create resumed>) = 3 [pid 8544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8543] <... futex resumed>) = 0 [pid 5001] rmdir("./188/bus" [pid 8543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... rmdir resumed>) = 0 [pid 8543] <... mmap resumed>) = 0x7f6a589d5000 [pid 5001] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8543] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8543] <... mprotect resumed>) = 0 [pid 5001] lstat("./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8543] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] unlink("./188/binderfs") = 0 [pid 5001] getdents64(3, [pid 8543] <... clone resumed>, parent_tid=[8545], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8545 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3 [pid 8543] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 8543] <... futex resumed>) = 0 [pid 5001] rmdir("./188" [pid 8543] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./189", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 8545 attached [pid 8545] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8545] memfd_create("syzkaller", 0 [pid 5001] close(3 [pid 8545] <... memfd_create resumed>) = 3 [pid 8545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8546 ./strace-static-x86_64: Process 8546 attached [pid 8546] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8546] chdir("./189") = 0 [pid 8546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8546] setpgid(0, 0) = 0 [pid 8546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8546] write(3, "1000", 4) = 4 [pid 8546] close(3) = 0 [pid 8546] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8546] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8546] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8546] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8547], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8547 ./strace-static-x86_64: Process 8547 attached [pid 8546] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = 0 [pid 8546] <... futex resumed>) = 0 [pid 5000] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8547] set_robust_list(0x7f6a589f59e0, 24 [pid 8546] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8547] <... set_robust_list resumed>) = 0 [pid 5000] lstat("./190/bus", [pid 8547] memfd_create("syzkaller", 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8547] <... memfd_create resumed>) = 3 [pid 5000] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./190/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8547] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 8544] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./190/bus") = 0 [pid 5000] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./190/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./190") = 0 [pid 5000] mkdir("./191", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3 [pid 8545] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8548 ./strace-static-x86_64: Process 8548 attached [pid 8548] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8548] chdir("./191") = 0 [pid 8548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8548] setpgid(0, 0) = 0 [pid 8548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8548] write(3, "1000", 4) = 4 [pid 8548] close(3) = 0 [pid 8548] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8548] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8548] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8548] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8549], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8549 [pid 8548] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8548] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8547] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8549 attached [pid 8549] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8549] memfd_create("syzkaller", 0) = 3 [pid 8549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8544] <... write resumed>) = 4194304 [pid 8549] <... mmap resumed>) = 0x7f6a505d5000 [pid 8544] munmap(0x7f6a505d5000, 4194304 [pid 8545] <... write resumed>) = 4194304 [pid 8544] <... munmap resumed>) = 0 [pid 8544] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8545] munmap(0x7f6a505d5000, 4194304 [pid 8544] <... openat resumed>) = 4 [pid 8544] ioctl(4, LOOP_SET_FD, 3 [pid 8547] <... write resumed>) = 4194304 [pid 8545] <... munmap resumed>) = 0 [pid 8547] munmap(0x7f6a505d5000, 4194304 [pid 8545] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8544] <... ioctl resumed>) = 0 [pid 8545] <... openat resumed>) = 4 [pid 8544] close(3) = 0 [pid 8544] mkdir("./bus", 0777) = 0 [pid 8544] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8547] <... munmap resumed>) = 0 [pid 8545] ioctl(4, LOOP_SET_FD, 3 [pid 8549] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8547] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8547] ioctl(4, LOOP_SET_FD, 3 [pid 8545] <... ioctl resumed>) = 0 [pid 8547] <... ioctl resumed>) = 0 [pid 8545] close(3 [pid 8547] close(3) = 0 [pid 8545] <... close resumed>) = 0 [pid 8547] mkdir("./bus", 0777) = 0 [pid 8545] mkdir("./bus", 0777 [pid 8549] <... write resumed>) = 4194304 [pid 8549] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8549] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 220.318472][ T8544] loop0: detected capacity change from 0 to 8192 [ 220.328790][ T8545] loop1: detected capacity change from 0 to 8192 [ 220.336479][ T8544] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.350787][ T8547] loop4: detected capacity change from 0 to 8192 [ 220.357381][ T8544] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 8549] ioctl(4, LOOP_SET_FD, 3 [pid 8547] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8545] <... mkdir resumed>) = 0 [pid 8549] <... ioctl resumed>) = 0 [pid 8549] close(3) = 0 [pid 8549] mkdir("./bus", 0777) = 0 [pid 8549] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 220.366784][ T8549] loop3: detected capacity change from 0 to 8192 [ 220.369613][ T8544] REISERFS (device loop0): using ordered data mode [ 220.381707][ T8544] reiserfs: using flush barriers [ 220.384412][ T8547] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.387289][ T8549] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.400748][ T8547] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 220.422112][ T8547] REISERFS (device loop4): using ordered data mode [ 220.422830][ T8545] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.428671][ T8547] reiserfs: using flush barriers [ 220.429755][ T8549] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 220.441859][ T8544] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.446629][ T8547] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.472998][ T8544] REISERFS (device loop0): checking transaction log (loop0) [ 220.488030][ T8549] REISERFS (device loop3): using ordered data mode [ 220.502012][ T8549] reiserfs: using flush barriers [ 220.507170][ T8545] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 220.516366][ T8545] REISERFS (device loop1): using ordered data mode [ 220.523688][ T8545] reiserfs: using flush barriers [ 220.525679][ T8544] REISERFS (device loop0): Using r5 hash to sort names [ 220.528670][ T8549] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.528919][ T8549] REISERFS (device loop3): checking transaction log (loop3) [pid 8545] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8544] <... mount resumed>) = 0 [pid 8544] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8544] chdir("./bus") = 0 [pid 8544] ioctl(4, LOOP_CLR_FD) = 0 [pid 8544] close(4) = 0 [pid 8544] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8544] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8542] <... futex resumed>) = 0 [pid 8542] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 220.536646][ T8544] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.552949][ T8547] REISERFS (device loop4): checking transaction log (loop4) [ 220.560035][ T8544] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 220.571839][ T8545] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.583582][ T8549] REISERFS (device loop3): Using r5 hash to sort names [ 220.597194][ T8545] REISERFS (device loop1): checking transaction log (loop1) [pid 8542] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8544] <... futex resumed>) = 0 [pid 8544] mkdir("./file1", 000) = 0 [pid 8544] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8549] <... mount resumed>) = 0 [pid 8544] <... futex resumed>) = 1 [pid 8549] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8544] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8542] <... futex resumed>) = 0 [pid 8549] <... openat resumed>) = 3 [pid 8542] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8542] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8549] chdir("./bus" [pid 8544] <... futex resumed>) = 0 [pid 8544] mkdir("./bus", 000 [pid 8549] <... chdir resumed>) = 0 [ 220.605700][ T8549] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.614796][ T8547] REISERFS (device loop4): Using r5 hash to sort names [ 220.619111][ T8549] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 220.649649][ T8545] REISERFS (device loop1): Using r5 hash to sort names [pid 8549] ioctl(4, LOOP_CLR_FD [pid 8544] <... mkdir resumed>) = 0 [pid 8544] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8549] <... ioctl resumed>) = 0 [pid 8544] <... futex resumed>) = 1 [pid 8542] <... futex resumed>) = 0 [pid 8542] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8544] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8549] close(4 [pid 8542] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8549] <... close resumed>) = 0 [pid 8549] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8548] <... futex resumed>) = 0 [pid 8548] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8549] mkdir("./file1", 000 [pid 8548] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8549] <... mkdir resumed>) = 0 [pid 8549] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8548] <... futex resumed>) = 0 [pid 8548] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8549] mkdir("./bus", 000 [pid 8548] <... futex resumed>) = 0 [pid 8548] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8549] <... mkdir resumed>) = 0 [pid 8549] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8548] <... futex resumed>) = 0 [pid 8548] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8549] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8548] <... futex resumed>) = 0 [ 220.657625][ T8545] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.673597][ T8545] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 220.674279][ T8547] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.696335][ T8544] overlayfs: upper fs needs to support d_type. [ 220.703631][ T8544] overlayfs: upper fs does not support tmpfile. [pid 8548] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8542] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8542] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8542] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8554], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8554 [pid 8542] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8542] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8547] <... mount resumed>) = 0 [pid 8547] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8547] chdir("./bus") = 0 [pid 8547] ioctl(4, LOOP_CLR_FD) = 0 [pid 8547] close(4./strace-static-x86_64: Process 8554 attached [pid 8545] <... mount resumed>) = 0 [pid 8554] set_robust_list(0x7f6a509d49e0, 24 [pid 8545] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8554] <... set_robust_list resumed>) = 0 [pid 8554] mkdir(".", 0777 [pid 8545] <... openat resumed>) = 3 [pid 8554] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8554] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8545] chdir("./bus") = 0 [pid 8545] ioctl(4, LOOP_CLR_FD) = 0 [pid 8545] close(4 [pid 8548] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8548] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8548] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8548] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8545] <... close resumed>) = 0 [pid 8545] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8548] <... clone resumed>, parent_tid=[8555], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8555 [pid 8545] <... futex resumed>) = 1 [pid 8543] <... futex resumed>) = 0 [pid 8548] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] mkdir("./file1", 000 [pid 8543] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8548] <... futex resumed>) = 0 [pid 8543] <... futex resumed>) = 0 [pid 8548] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8547] <... close resumed>) = 0 [pid 8547] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8546] <... futex resumed>) = 0 [pid 8545] <... mkdir resumed>) = 0 [pid 8546] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8543] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8546] <... futex resumed>) = 0 [pid 8545] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [ 220.716378][ T8549] overlayfs: upper fs needs to support d_type. [ 220.721473][ T8547] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 220.722873][ T8544] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 220.739545][ T8549] overlayfs: upper fs does not support tmpfile. [ 220.746217][ T8549] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 220.754396][ T8549] overlayfs: failed to resolve './file0': -2 [pid 8546] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8545] <... futex resumed>) = 1 [pid 8543] <... futex resumed>) = 0 [pid 8547] mkdir("./file1", 000) = 0 [pid 8547] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8547] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8555 attached [pid 8555] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8555] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8555] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8554] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8546] <... futex resumed>) = 0 [pid 8545] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8543] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8546] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8543] <... futex resumed>) = 0 [pid 8546] <... futex resumed>) = 1 [pid 8543] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8546] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8545] mkdir("./bus", 000 [pid 8547] <... futex resumed>) = 0 [pid 8547] mkdir("./bus", 000) = 0 [pid 8545] <... mkdir resumed>) = 0 [pid 8547] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8543] <... futex resumed>) = 0 [pid 8547] <... futex resumed>) = 1 [pid 8546] <... futex resumed>) = 0 [pid 8545] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8543] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8547] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8543] <... futex resumed>) = 0 [pid 8546] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8546] <... futex resumed>) = 0 [pid 8543] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8547] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8546] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8554] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8542] <... futex resumed>) = 0 [pid 8554] <... futex resumed>) = 1 [pid 8554] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8555] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8555] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8548] <... futex resumed>) = 0 [pid 8555] <... futex resumed>) = 1 [ 220.770425][ T8554] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 220.786409][ T8544] overlayfs: failed to resolve './file0': -2 [ 220.798760][ T8555] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 220.799126][ T8547] overlayfs: upper fs needs to support d_type. [pid 8555] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8549] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8549] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8549] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8548] exit_group(0 [pid 8549] <... futex resumed>) = ? [pid 8548] <... exit_group resumed>) = ? [pid 8549] +++ exited with 0 +++ [pid 8555] <... futex resumed>) = ? [pid 8555] +++ exited with 0 +++ [pid 8548] +++ exited with 0 +++ [pid 8543] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8548, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 8544] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8544] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8544] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8542] exit_group(0 [pid 8554] <... futex resumed>) = ? [pid 8554] +++ exited with 0 +++ [pid 8542] <... exit_group resumed>) = ? [pid 8544] <... futex resumed>) = ? [pid 8544] +++ exited with 0 +++ [pid 8543] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8542] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8542, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8543] <... mmap resumed>) = 0x7f6a509b4000 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8543] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 4997] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8543] <... mprotect resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 8543] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] fstat(3, [pid 8546] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8546] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8543] <... clone resumed>, parent_tid=[8556], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8556 [pid 5000] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] getdents64(3, [pid 8546] <... futex resumed>) = 0 [pid 8543] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8543] <... futex resumed>) = 0 [pid 5000] fstat(3, [pid 4997] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8546] <... mmap resumed>) = 0x7f6a509b4000 [pid 8543] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8546] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5000] getdents64(3, [pid 8546] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8546] <... clone resumed>, parent_tid=[8557], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8557 [pid 8547] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8546] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 220.818460][ T8545] overlayfs: upper fs needs to support d_type. [ 220.829689][ T8545] overlayfs: upper fs does not support tmpfile. [ 220.834222][ T8547] overlayfs: upper fs does not support tmpfile. [ 220.843199][ T8547] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 220.850093][ T8545] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 220.851416][ T8547] overlayfs: failed to resolve './file0': -2 [pid 8546] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8557 attached [pid 8557] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8557] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8547] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8557] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8547] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8556 attached [pid 8547] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8556] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8556] mkdir(".", 0777 [pid 5000] <... umount2 resumed>) = 0 [pid 8557] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8557] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8546] <... futex resumed>) = 0 [pid 8546] exit_group(0) = ? [pid 8557] <... futex resumed>) = ? [pid 8557] +++ exited with 0 +++ [pid 8547] <... futex resumed>) = ? [pid 8556] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8556] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8547] +++ exited with 0 +++ [pid 8546] +++ exited with 0 +++ [pid 8545] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8546, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5001] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 220.878336][ T8545] overlayfs: failed to resolve './file0': -2 [ 220.896641][ T8557] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5000] lstat("./191/bus", [pid 8545] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] <... umount2 resumed>) = 0 [pid 8545] <... futex resumed>) = 0 [pid 8545] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./191/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./191/bus") = 0 [pid 4997] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8556] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] lstat("./189/bus", [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] lstat("./191/binderfs", [pid 4997] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] unlink("./191/binderfs" [pid 4997] openat(AT_FDCWD, "./189/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... unlink resumed>) = 0 [pid 4997] <... openat resumed>) = 4 [pid 5000] getdents64(3, [pid 4997] fstat(4, [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] close(3) = 0 [pid 4997] getdents64(4, [pid 5000] rmdir("./191") = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] mkdir("./192", 0777) = 0 [pid 4997] getdents64(4, [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4997] close(4 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] <... close resumed>) = 0 [pid 5000] close(3 [pid 4997] rmdir("./189/bus" [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... rmdir resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8558 [pid 8556] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8556] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8558 attached [pid 8558] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8543] <... futex resumed>) = 0 [pid 4997] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8543] exit_group(0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8545] <... futex resumed>) = ? [pid 8543] <... exit_group resumed>) = ? [pid 4997] lstat("./189/binderfs", [pid 8545] +++ exited with 0 +++ [pid 8556] <... futex resumed>) = ? [pid 8556] +++ exited with 0 +++ [pid 8543] +++ exited with 0 +++ [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8543, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 4997] unlink("./189/binderfs" [pid 8558] chdir("./192") = 0 [pid 8558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4998] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] <... unlink resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, [pid 8558] setpgid(0, 0) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] close(3 [pid 8558] <... openat resumed>) = 3 [pid 8558] write(3, "1000", 4 [pid 4997] <... close resumed>) = 0 [pid 8558] <... write resumed>) = 4 [pid 8558] close(3 [pid 4997] rmdir("./189" [pid 8558] <... close resumed>) = 0 [pid 8558] symlink("/dev/binderfs", "./binderfs") = 0 [ 220.930338][ T8556] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] <... rmdir resumed>) = 0 [pid 4997] mkdir("./190", 0777 [pid 8558] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 4997] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8558] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8558] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4997] <... openat resumed>) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 8558] <... clone resumed>, parent_tid=[8559], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8559 [pid 8558] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8558] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8560 ./strace-static-x86_64: Process 8559 attached [pid 8559] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8559] memfd_create("syzkaller", 0) = 3 [pid 8559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./189/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./189/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./189/bus"./strace-static-x86_64: Process 8560 attached [pid 8560] set_robust_list(0x5555564f86e0, 24 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8560] <... set_robust_list resumed>) = 0 [pid 5001] unlink("./189/binderfs") = 0 [pid 8560] chdir("./190" [pid 5001] getdents64(3, [pid 8560] <... chdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./189" [pid 8560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./190", 0777 [pid 8560] setpgid(0, 0) = 0 [pid 8560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8560] <... openat resumed>) = 3 [pid 8560] write(3, "1000", 4) = 4 [pid 8560] close(3 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8561 [pid 8560] <... close resumed>) = 0 [pid 8560] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8560] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8560] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8560] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8562], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8562 [pid 8560] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8560] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8561 attached [pid 8561] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8561] chdir("./190") = 0 [pid 8561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8561] setpgid(0, 0) = 0 [pid 8561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8561] write(3, "1000", 4) = 4 [pid 8561] close(3) = 0 [pid 8561] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8561] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 ./strace-static-x86_64: Process 8562 attached [pid 8561] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8562] set_robust_list(0x7f6a589f59e0, 24 [pid 8561] <... mprotect resumed>) = 0 [pid 8562] <... set_robust_list resumed>) = 0 [pid 8562] memfd_create("syzkaller", 0 [pid 8561] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8562] <... memfd_create resumed>) = 3 [pid 8562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8561] <... clone resumed>, parent_tid=[8563], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8563 [pid 8562] <... mmap resumed>) = 0x7f6a505d5000 [pid 8561] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8559] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8563 attached [pid 8561] <... futex resumed>) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 8563] set_robust_list(0x7f6a589f59e0, 24 [pid 8561] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8563] <... set_robust_list resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8563] memfd_create("syzkaller", 0 [pid 4998] lstat("./190/bus", [pid 8563] <... memfd_create resumed>) = 3 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4998] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8563] <... mmap resumed>) = 0x7f6a505d5000 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./190/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./190/bus") = 0 [pid 4998] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./190/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./190") = 0 [pid 4998] mkdir("./191", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8564 ./strace-static-x86_64: Process 8564 attached [pid 8562] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8564] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8564] chdir("./191") = 0 [pid 8564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8564] setpgid(0, 0) = 0 [pid 8564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8564] write(3, "1000", 4) = 4 [pid 8564] close(3) = 0 [pid 8564] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8564] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8564] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8564] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8565], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8565 [pid 8564] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8564] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8565 attached [pid 8565] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8565] memfd_create("syzkaller", 0) = 3 [pid 8565] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8559] <... write resumed>) = 4194304 [pid 8559] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8563] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8559] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8559] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8559] close(3) = 0 [pid 8559] mkdir("./bus", 0777) = 0 [pid 8559] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8562] <... write resumed>) = 4194304 [pid 8562] munmap(0x7f6a505d5000, 4194304 [pid 8565] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8563] <... write resumed>) = 4194304 [pid 8562] <... munmap resumed>) = 0 [pid 8562] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 221.143607][ T8559] loop3: detected capacity change from 0 to 8192 [ 221.175961][ T8559] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8562] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8562] close(3) = 0 [pid 8562] mkdir("./bus", 0777) = 0 [pid 8562] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 221.189738][ T8562] loop0: detected capacity change from 0 to 8192 [ 221.190183][ T8559] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 221.206021][ T8559] REISERFS (device loop3): using ordered data mode [ 221.213624][ T8559] reiserfs: using flush barriers [ 221.213790][ T8562] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8563] munmap(0x7f6a505d5000, 4194304 [pid 8565] <... write resumed>) = 4194304 [pid 8565] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8565] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8565] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8565] close(3) = 0 [pid 8565] mkdir("./bus", 0777) = 0 [pid 8565] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8563] <... munmap resumed>) = 0 [ 221.232005][ T8559] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.233522][ T8565] loop1: detected capacity change from 0 to 8192 [ 221.258069][ T8562] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 221.258646][ T8559] REISERFS (device loop3): checking transaction log (loop3) [ 221.268351][ T8562] REISERFS (device loop0): using ordered data mode [ 221.276164][ T8559] REISERFS (device loop3): Using r5 hash to sort names [ 221.282214][ T8562] reiserfs: using flush barriers [pid 8563] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8563] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8559] <... mount resumed>) = 0 [ 221.289252][ T8559] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 221.294022][ T8565] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.306516][ T8559] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 221.320399][ T8565] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 221.328598][ T8563] loop4: detected capacity change from 0 to 8192 [pid 8563] close(3) = 0 [pid 8559] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8563] mkdir("./bus", 0777 [pid 8559] <... openat resumed>) = 3 [pid 8559] chdir("./bus") = 0 [pid 8563] <... mkdir resumed>) = 0 [pid 8559] ioctl(4, LOOP_CLR_FD [pid 8563] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8559] <... ioctl resumed>) = 0 [pid 8559] close(4) = 0 [ 221.337480][ T8565] REISERFS (device loop1): using ordered data mode [ 221.349945][ T8562] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.350353][ T8565] reiserfs: using flush barriers [ 221.367005][ T8562] REISERFS (device loop0): checking transaction log (loop0) [pid 8559] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8558] <... futex resumed>) = 0 [pid 8559] mkdir("./file1", 000 [pid 8558] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8559] <... mkdir resumed>) = 0 [pid 8558] <... futex resumed>) = 0 [pid 8559] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8558] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8559] <... futex resumed>) = 0 [pid 8558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8559] mkdir("./bus", 000 [pid 8558] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8559] <... mkdir resumed>) = 0 [pid 8558] <... futex resumed>) = 0 [pid 8558] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8559] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8558] <... futex resumed>) = 0 [pid 8559] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8558] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 221.382464][ T8563] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.389765][ T8562] REISERFS (device loop0): Using r5 hash to sort names [ 221.397752][ T8565] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.418413][ T8559] overlayfs: upper fs needs to support d_type. [ 221.418465][ T8559] overlayfs: upper fs does not support tmpfile. [ 221.424872][ T8565] REISERFS (device loop1): checking transaction log (loop1) [pid 8558] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 221.438904][ T8562] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 221.441581][ T8563] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 221.451915][ T8562] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 221.467582][ T8565] REISERFS (device loop1): Using r5 hash to sort names [ 221.470274][ T8563] REISERFS (device loop4): using ordered data mode [pid 8562] <... mount resumed>) = 0 [pid 8558] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8558] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8558] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8558] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8570], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8570 [pid 8558] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8558] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8570 attached [pid 8570] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8570] mkdir(".", 0777) = -1 EEXIST (File exists) [ 221.478059][ T8565] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 221.483331][ T8563] reiserfs: using flush barriers [ 221.501785][ T8559] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 221.501889][ T8565] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 221.517916][ T8563] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8570] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8565] <... mount resumed>) = 0 [pid 8562] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8570] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8565] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8562] <... openat resumed>) = 3 [pid 8562] chdir("./bus") = 0 [pid 8562] ioctl(4, LOOP_CLR_FD) = 0 [pid 8562] close(4) = 0 [pid 8562] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8562] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8565] <... openat resumed>) = 3 [pid 8565] chdir("./bus") = 0 [pid 8565] ioctl(4, LOOP_CLR_FD) = 0 [pid 8565] close(4) = 0 [pid 8565] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8565] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8570] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8570] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8564] <... futex resumed>) = 0 [pid 8560] <... futex resumed>) = 0 [pid 8558] <... futex resumed>) = 0 [pid 8564] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8560] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8565] <... futex resumed>) = 0 [pid 8564] <... futex resumed>) = 1 [pid 8560] <... futex resumed>) = 1 [pid 8565] mkdir("./file1", 000 [pid 8562] <... futex resumed>) = 0 [pid 8565] <... mkdir resumed>) = 0 [pid 8564] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8562] mkdir("./file1", 000 [pid 8560] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8565] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8562] <... mkdir resumed>) = 0 [pid 8565] <... futex resumed>) = 0 [pid 8564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8562] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8565] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8562] <... futex resumed>) = 0 [pid 8562] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8564] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8560] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8564] <... futex resumed>) = 1 [pid 8560] <... futex resumed>) = 1 [pid 8564] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8560] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8565] <... futex resumed>) = 0 [pid 8562] <... futex resumed>) = 0 [pid 8565] mkdir("./bus", 000 [pid 8562] mkdir("./bus", 000 [pid 8565] <... mkdir resumed>) = 0 [pid 8563] <... mount resumed>) = 0 [pid 8562] <... mkdir resumed>) = 0 [pid 8565] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8562] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8565] <... futex resumed>) = 1 [pid 8564] <... futex resumed>) = 0 [pid 8565] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8564] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8563] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8562] <... futex resumed>) = 1 [pid 8560] <... futex resumed>) = 0 [pid 8565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8564] <... futex resumed>) = 0 [pid 8563] <... openat resumed>) = 3 [pid 8562] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8560] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8565] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8564] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8563] chdir("./bus" [pid 8562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8560] <... futex resumed>) = 0 [ 221.526025][ T8570] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 221.534554][ T8563] REISERFS (device loop4): checking transaction log (loop4) [ 221.551984][ T8559] overlayfs: failed to resolve './file0': -2 [ 221.561293][ T8563] REISERFS (device loop4): Using r5 hash to sort names [ 221.572664][ T8563] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 221.585491][ T8563] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8563] <... chdir resumed>) = 0 [pid 8562] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8560] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8563] ioctl(4, LOOP_CLR_FD) = 0 [pid 8563] close(4) = 0 [pid 8563] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8561] <... futex resumed>) = 0 [pid 8563] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8561] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8561] <... futex resumed>) = 0 [pid 8563] mkdir("./file1", 000 [pid 8561] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8563] <... mkdir resumed>) = 0 [pid 8563] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8561] <... futex resumed>) = 0 [pid 8563] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8561] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8561] <... futex resumed>) = 0 [pid 8563] mkdir("./bus", 000 [pid 8561] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8563] <... mkdir resumed>) = 0 [pid 8563] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8561] <... futex resumed>) = 0 [pid 8563] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8561] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8561] <... futex resumed>) = 0 [pid 8563] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8561] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8559] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8559] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 221.609701][ T8565] overlayfs: upper fs needs to support d_type. [ 221.616261][ T8562] overlayfs: upper fs needs to support d_type. [ 221.619574][ T8565] overlayfs: upper fs does not support tmpfile. [ 221.623980][ T8562] overlayfs: upper fs does not support tmpfile. [ 221.628951][ T8563] overlayfs: upper fs needs to support d_type. [ 221.642576][ T8565] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 221.642954][ T8562] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8559] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8558] exit_group(0 [pid 8564] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8560] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8558] <... exit_group resumed>) = ? [pid 8570] <... futex resumed>) = ? [pid 8561] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8559] <... futex resumed>) = ? [pid 8570] +++ exited with 0 +++ [pid 8561] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8559] +++ exited with 0 +++ [pid 8561] <... futex resumed>) = 0 [pid 8561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8561] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8561] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8571], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8571 [pid 8561] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8561] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8571 attached [pid 8571] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8571] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8571] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8564] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8564] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8564] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8572], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8572 [pid 8564] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8564] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8572 attached [pid 8572] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8572] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8572] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8560] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8565] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8562] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8560] <... futex resumed>) = 0 [pid 8558] +++ exited with 0 +++ [pid 8565] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8562] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8565] <... futex resumed>) = 0 [pid 8562] <... futex resumed>) = 0 [pid 8565] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8562] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8560] <... mmap resumed>) = 0x7f6a509b4000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8558, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 8560] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8560] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8573], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8573 [pid 8560] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8560] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 221.649632][ T8563] overlayfs: upper fs does not support tmpfile. [ 221.658757][ T8562] overlayfs: failed to resolve './file0': -2 [ 221.666600][ T8565] overlayfs: failed to resolve './file0': -2 [ 221.670704][ T8563] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 221.690188][ T8563] overlayfs: failed to resolve './file0': -2 ./strace-static-x86_64: Process 8573 attached [pid 8560] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8573] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8573] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8573] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8571] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... openat resumed>) = 3 [pid 8571] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] fstat(3, [pid 8571] <... futex resumed>) = 1 [pid 8561] <... futex resumed>) = 0 [pid 8573] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8571] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8563] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5000] getdents64(3, [pid 8563] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8563] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8572] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8573] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8572] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8564] <... futex resumed>) = 0 [pid 5000] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8564] exit_group(0 [pid 8561] exit_group(0 [pid 8565] <... futex resumed>) = ? [pid 8564] <... exit_group resumed>) = ? [pid 8561] <... exit_group resumed>) = ? [pid 8571] <... futex resumed>) = ? [pid 8571] +++ exited with 0 +++ [pid 8565] +++ exited with 0 +++ [pid 8563] <... futex resumed>) = ? [pid 8573] <... futex resumed>) = 1 [pid 8572] <... futex resumed>) = ? [pid 8563] +++ exited with 0 +++ [pid 8561] +++ exited with 0 +++ [pid 8560] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8561, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 8560] exit_group(0 [pid 8573] ???( [pid 8562] <... futex resumed>) = ? [pid 8560] <... exit_group resumed>) = ? [pid 8562] +++ exited with 0 +++ [pid 5001] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8573] <... ??? resumed>) = ? [pid 8572] +++ exited with 0 +++ [pid 8564] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8564, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4998] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8573] +++ exited with 0 +++ [pid 8560] +++ exited with 0 +++ [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8560, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 4998] getdents64(3, [pid 4997] <... restart_syscall resumed>) = 0 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 221.691887][ T8571] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 221.715270][ T8573] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 221.730265][ T8572] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4997] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 5001] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./190/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./190/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./190/bus") = 0 [pid 5001] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./190/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./190") = 0 [pid 5001] mkdir("./191", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8574 [pid 4997] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8574 attached [pid 4997] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8574] set_robust_list(0x5555564f86e0, 24 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8574] <... set_robust_list resumed>) = 0 [pid 4997] lstat("./190/bus", [pid 8574] chdir("./191" [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8574] <... chdir resumed>) = 0 [pid 4997] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8574] <... prctl resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./190/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8574] setpgid(0, 0 [pid 4997] <... openat resumed>) = 4 [pid 8574] <... setpgid resumed>) = 0 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 8574] <... openat resumed>) = 3 [pid 4997] getdents64(4, [pid 8574] write(3, "1000", 4 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8574] <... write resumed>) = 4 [pid 4997] close(4 [pid 8574] close(3 [pid 4997] <... close resumed>) = 0 [pid 8574] <... close resumed>) = 0 [pid 4997] rmdir("./190/bus" [pid 8574] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 4998] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... rmdir resumed>) = 0 [pid 8574] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8574] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] lstat("./192/bus", [pid 4998] lstat("./191/bus", [pid 4997] lstat("./190/binderfs", [pid 8574] <... mmap resumed>) = 0x7f6a589d5000 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8574] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] unlink("./190/binderfs" [pid 8574] <... mprotect resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 8574] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, ./strace-static-x86_64: Process 8575 attached [pid 8574] <... clone resumed>, parent_tid=[8575], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8575 [pid 5000] openat(AT_FDCWD, "./192/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8574] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 4 [pid 4998] openat(AT_FDCWD, "./191/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] close(3 [pid 8575] set_robust_list(0x7f6a589f59e0, 24 [pid 8574] <... futex resumed>) = 0 [pid 5000] fstat(4, [pid 4998] <... openat resumed>) = 4 [pid 4997] <... close resumed>) = 0 [pid 8575] <... set_robust_list resumed>) = 0 [pid 8574] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] fstat(4, [pid 4997] rmdir("./190" [pid 8575] memfd_create("syzkaller", 0 [pid 5000] getdents64(4, [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 8575] <... memfd_create resumed>) = 3 [pid 5000] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, [pid 4997] mkdir("./191", 0777 [pid 8575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] getdents64(4, [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... mkdir resumed>) = 0 [pid 8575] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] getdents64(4, [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5000] close(4 [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] close(4 [pid 4997] <... openat resumed>) = 3 [pid 5000] rmdir("./192/bus" [pid 4998] <... close resumed>) = 0 [pid 4997] ioctl(3, LOOP_CLR_FD [pid 5000] <... rmdir resumed>) = 0 [pid 4998] rmdir("./191/bus" [pid 4997] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... rmdir resumed>) = 0 [pid 4997] close(3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... close resumed>) = 0 [pid 5000] lstat("./192/binderfs", [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] lstat("./191/binderfs", [pid 5000] unlink("./192/binderfs" [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8576 [pid 5000] <... unlink resumed>) = 0 [pid 4998] unlink("./191/binderfs" [pid 5000] getdents64(3, [pid 4998] <... unlink resumed>) = 0 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] getdents64(3, [pid 5000] close(3 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] close(3 [pid 5000] rmdir("./192" [pid 4998] <... close resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] rmdir("./191" [pid 5000] mkdir("./193", 0777 [pid 4998] <... rmdir resumed>) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] mkdir("./192", 0777 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4998] <... mkdir resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4998] <... openat resumed>) = 3 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] ioctl(3, LOOP_CLR_FD [pid 5000] close(3 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] <... close resumed>) = 0 [pid 4998] close(3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8577 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8578 ./strace-static-x86_64: Process 8576 attached [pid 8576] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8576] chdir("./191") = 0 [pid 8576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8576] setpgid(0, 0) = 0 [pid 8576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8576] write(3, "1000", 4) = 4 [pid 8576] close(3) = 0 [pid 8576] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8576] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8576] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8576] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8579], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8579 [pid 8576] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8576] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8577 attached [pid 8577] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8577] chdir("./193") = 0 [pid 8577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8577] setpgid(0, 0) = 0 [pid 8577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 8578 attached [pid 8578] set_robust_list(0x5555564f86e0, 24 [pid 8577] <... openat resumed>) = 3 [pid 8577] write(3, "1000", 4) = 4 [pid 8577] close(3) = 0 [pid 8577] symlink("/dev/binderfs", "./binderfs" [pid 8578] <... set_robust_list resumed>) = 0 [pid 8578] chdir("./192") = 0 [pid 8578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8577] <... symlink resumed>) = 0 [pid 8577] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8578] <... prctl resumed>) = 0 [pid 8577] <... mmap resumed>) = 0x7f6a589d5000 [pid 8577] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 8579 attached [pid 8578] setpgid(0, 0 [pid 8579] set_robust_list(0x7f6a589f59e0, 24 [pid 8578] <... setpgid resumed>) = 0 [pid 8577] <... mprotect resumed>) = 0 [pid 8577] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8580], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8580 [pid 8577] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8577] <... futex resumed>) = 0 [pid 8579] <... set_robust_list resumed>) = 0 [pid 8577] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8580 attached [pid 8580] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8578] <... openat resumed>) = 3 [pid 8579] memfd_create("syzkaller", 0 [pid 8578] write(3, "1000", 4 [pid 8580] memfd_create("syzkaller", 0) = 3 [pid 8579] <... memfd_create resumed>) = 3 [pid 8578] <... write resumed>) = 4 [pid 8580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8579] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8578] close(3) = 0 [pid 8579] <... mmap resumed>) = 0x7f6a505d5000 [pid 8578] symlink("/dev/binderfs", "./binderfs" [pid 8580] <... mmap resumed>) = 0x7f6a505d5000 [pid 8578] <... symlink resumed>) = 0 [pid 8575] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8578] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8578] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8578] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8581], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8581 [pid 8578] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8578] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8581 attached [pid 8581] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8581] memfd_create("syzkaller", 0) = 3 [pid 8581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8575] <... write resumed>) = 4194304 [pid 8575] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8575] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8575] ioctl(4, LOOP_SET_FD, 3 [pid 8580] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8579] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8575] <... ioctl resumed>) = 0 [pid 8575] close(3) = 0 [pid 8575] mkdir("./bus", 0777) = 0 [pid 8575] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8581] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8580] <... write resumed>) = 4194304 [ 221.969237][ T8575] loop4: detected capacity change from 0 to 8192 [ 221.990043][ T8575] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8580] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8580] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8579] <... write resumed>) = 4194304 [pid 8579] munmap(0x7f6a505d5000, 4194304 [pid 8580] <... openat resumed>) = 4 [pid 8580] ioctl(4, LOOP_SET_FD, 3 [pid 8579] <... munmap resumed>) = 0 [pid 8579] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8579] ioctl(4, LOOP_SET_FD, 3 [pid 8580] <... ioctl resumed>) = 0 [pid 8580] close(3) = 0 [pid 8580] mkdir("./bus", 0777) = 0 [pid 8580] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8579] <... ioctl resumed>) = 0 [ 222.018460][ T8575] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 222.028585][ T8575] REISERFS (device loop4): using ordered data mode [ 222.036848][ T8575] reiserfs: using flush barriers [ 222.043331][ T8580] loop3: detected capacity change from 0 to 8192 [ 222.047189][ T8579] loop0: detected capacity change from 0 to 8192 [pid 8581] <... write resumed>) = 4194304 [pid 8581] munmap(0x7f6a505d5000, 4194304 [pid 8579] close(3) = 0 [pid 8579] mkdir("./bus", 0777) = 0 [pid 8579] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8581] <... munmap resumed>) = 0 [ 222.060014][ T8575] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.061987][ T8580] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 222.089738][ T8580] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 222.099897][ T8575] REISERFS (device loop4): checking transaction log (loop4) [ 222.100872][ T8580] REISERFS (device loop3): using ordered data mode [pid 8581] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 222.108579][ T8579] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 222.113932][ T8580] reiserfs: using flush barriers [ 222.128882][ T8575] REISERFS (device loop4): Using r5 hash to sort names [ 222.133384][ T8579] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 222.140494][ T8580] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8581] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8581] close(3) = 0 [pid 8581] mkdir("./bus", 0777) = 0 [ 222.149190][ T8579] REISERFS (device loop0): using ordered data mode [ 222.166121][ T8575] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.171665][ T8579] reiserfs: using flush barriers [ 222.184550][ T8581] loop1: detected capacity change from 0 to 8192 [ 222.190245][ T8580] REISERFS (device loop3): checking transaction log (loop3) [ 222.200242][ T8579] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8581] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8575] <... mount resumed>) = 0 [ 222.203784][ T8575] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 222.229495][ T8580] REISERFS (device loop3): Using r5 hash to sort names [ 222.236549][ T8580] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.250523][ T8580] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 222.259957][ T8579] REISERFS (device loop0): checking transaction log (loop0) [pid 8575] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8575] chdir("./bus" [pid 8580] <... mount resumed>) = 0 [pid 8575] <... chdir resumed>) = 0 [pid 8580] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8575] ioctl(4, LOOP_CLR_FD [pid 8580] <... openat resumed>) = 3 [pid 8575] <... ioctl resumed>) = 0 [pid 8580] chdir("./bus" [pid 8575] close(4 [pid 8580] <... chdir resumed>) = 0 [pid 8575] <... close resumed>) = 0 [pid 8580] ioctl(4, LOOP_CLR_FD [pid 8575] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8580] <... ioctl resumed>) = 0 [pid 8575] <... futex resumed>) = 1 [pid 8580] close(4 [pid 8575] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8580] <... close resumed>) = 0 [pid 8580] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8577] <... futex resumed>) = 0 [pid 8580] mkdir("./file1", 000 [pid 8577] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8580] <... mkdir resumed>) = 0 [pid 8577] <... futex resumed>) = 0 [pid 8580] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8577] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8580] <... futex resumed>) = 0 [pid 8577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8580] mkdir("./bus", 000 [pid 8577] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8577] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8580] <... mkdir resumed>) = 0 [pid 8574] <... futex resumed>) = 0 [pid 8580] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8577] <... futex resumed>) = 0 [pid 8577] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 222.260306][ T8581] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 222.281207][ T8581] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 222.290669][ T8581] REISERFS (device loop1): using ordered data mode [ 222.297371][ T8581] reiserfs: using flush barriers [ 222.303619][ T8581] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8580] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8577] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8574] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8575] <... futex resumed>) = 0 [pid 8574] <... futex resumed>) = 1 [pid 8575] mkdir("./file1", 000) = 0 [pid 8575] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8575] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8574] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8574] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8575] <... futex resumed>) = 0 [pid 8574] <... futex resumed>) = 1 [pid 8575] mkdir("./bus", 000 [pid 8574] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8575] <... mkdir resumed>) = 0 [pid 8575] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8574] <... futex resumed>) = 0 [pid 8575] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8574] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8574] <... futex resumed>) = 0 [ 222.305213][ T8580] overlayfs: upper fs needs to support d_type. [ 222.320220][ T8581] REISERFS (device loop1): checking transaction log (loop1) [ 222.328986][ T8579] REISERFS (device loop0): Using r5 hash to sort names [ 222.333934][ T8581] REISERFS (device loop1): Using r5 hash to sort names [ 222.347604][ T8581] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.360612][ T8581] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8575] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8574] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8581] <... mount resumed>) = 0 [pid 8577] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8581] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8577] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8581] <... openat resumed>) = 3 [pid 8577] <... futex resumed>) = 0 [pid 8581] chdir("./bus" [pid 8577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8577] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8577] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8586], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8586 [pid 8577] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8577] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8581] <... chdir resumed>) = 0 [pid 8581] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 8586 attached ) = 0 [pid 8586] set_robust_list(0x7f6a509d49e0, 24 [pid 8581] close(4 [pid 8586] <... set_robust_list resumed>) = 0 [pid 8581] <... close resumed>) = 0 [pid 8586] mkdir(".", 0777 [pid 8581] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8586] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8581] <... futex resumed>) = 1 [pid 8578] <... futex resumed>) = 0 [pid 8586] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8581] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8578] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8580] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8578] <... futex resumed>) = 0 [pid 8581] mkdir("./file1", 000 [pid 8578] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8581] <... mkdir resumed>) = 0 [pid 8581] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8578] <... futex resumed>) = 0 [pid 8581] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8578] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8578] <... futex resumed>) = 0 [ 222.363534][ T8575] overlayfs: upper fs needs to support d_type. [ 222.370304][ T8580] overlayfs: upper fs does not support tmpfile. [ 222.383098][ T8580] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 222.386499][ T8575] overlayfs: upper fs does not support tmpfile. [ 222.391107][ T8580] overlayfs: failed to resolve './file0': -2 [ 222.403581][ T8579] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8581] mkdir("./bus", 000 [pid 8580] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8578] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8574] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8581] <... mkdir resumed>) = 0 [pid 8574] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8586] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8581] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8580] <... futex resumed>) = 0 [pid 8579] <... mount resumed>) = 0 [pid 8574] <... futex resumed>) = 0 [pid 8586] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8581] <... futex resumed>) = 1 [pid 8580] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8579] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8578] <... futex resumed>) = 0 [pid 8574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8586] <... futex resumed>) = 1 [pid 8581] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8579] <... openat resumed>) = 3 [pid 8578] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8577] <... futex resumed>) = 0 [pid 8574] <... mmap resumed>) = 0x7f6a509b4000 [pid 8586] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8579] chdir("./bus" [pid 8578] <... futex resumed>) = 0 [pid 8577] exit_group(0 [pid 8574] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8586] <... futex resumed>) = ? [pid 8581] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8580] <... futex resumed>) = ? [pid 8579] <... chdir resumed>) = 0 [pid 8578] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8577] <... exit_group resumed>) = ? [pid 8574] <... mprotect resumed>) = 0 [pid 8586] +++ exited with 0 +++ [pid 8580] +++ exited with 0 +++ [pid 8577] +++ exited with 0 +++ [pid 8574] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8587], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8587 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8577, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8579] ioctl(4, LOOP_CLR_FD [ 222.409641][ T8586] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 222.416809][ T8579] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 222.440921][ T8575] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 222.456880][ T8581] overlayfs: upper fs needs to support d_type. [ 222.461690][ T8575] overlayfs: failed to resolve './file0': -2 [pid 8574] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 8579] <... ioctl resumed>) = 0 [pid 8574] <... futex resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 8574] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 8587 attached [pid 5000] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8587] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8587] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8587] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8579] close(4 [pid 8575] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8579] <... close resumed>) = 0 [pid 8575] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8581] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8579] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8578] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8575] <... futex resumed>) = 0 [pid 8581] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8579] <... futex resumed>) = 1 [pid 8578] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8576] <... futex resumed>) = 0 [pid 8575] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8581] <... futex resumed>) = 0 [pid 8579] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8578] <... futex resumed>) = 0 [pid 8576] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8581] mkdir(".", 0777 [pid 8579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8578] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8576] <... futex resumed>) = 0 [pid 8581] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8579] mkdir("./file1", 000 [pid 8576] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8581] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8579] <... mkdir resumed>) = 0 [pid 8579] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8576] <... futex resumed>) = 0 [pid 8579] mkdir("./bus", 000 [pid 8576] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8579] <... mkdir resumed>) = 0 [ 222.470292][ T8581] overlayfs: upper fs does not support tmpfile. [ 222.477344][ T8581] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 222.486008][ T8581] overlayfs: failed to resolve './file0': -2 [ 222.500609][ T8587] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8576] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8579] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./193/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./193/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./193/bus") = 0 [pid 5000] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./193/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8579] <... futex resumed>) = 1 [pid 8576] <... futex resumed>) = 0 [pid 8579] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8576] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3) = 0 [pid 8576] <... futex resumed>) = 0 [pid 5000] rmdir("./193") = 0 [pid 5000] mkdir("./194", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 8587] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8581] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8576] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8587] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8581] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 8587] <... futex resumed>) = 1 [pid 8581] <... futex resumed>) = 1 [pid 8578] <... futex resumed>) = 0 [pid 8574] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8587] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8581] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8578] exit_group(0 [pid 8574] exit_group(0 [pid 5000] close(3 [pid 8587] <... futex resumed>) = ? [pid 8581] <... futex resumed>) = ? [pid 8578] <... exit_group resumed>) = ? [pid 8575] <... futex resumed>) = ? [pid 8574] <... exit_group resumed>) = ? [pid 5000] <... close resumed>) = 0 [pid 8587] +++ exited with 0 +++ [pid 8575] +++ exited with 0 +++ [pid 8574] +++ exited with 0 +++ [pid 8581] +++ exited with 0 +++ [pid 8578] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8574, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8579] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8579] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8588 [pid 5001] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8578, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8588 attached [pid 5001] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8576] <... futex resumed>) = 0 [pid 8576] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8576] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8579] <... futex resumed>) = 1 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... openat resumed>) = 3 [pid 8579] mkdir(".", 0777 [pid 4998] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] fstat(3, [pid 8579] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4998] <... openat resumed>) = 3 [pid 8579] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] fstat(3, [pid 5001] getdents64(3, [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] getdents64(3, [pid 5001] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8588] set_robust_list(0x5555564f86e0, 24 [pid 4998] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8588] <... set_robust_list resumed>) = 0 [pid 8588] chdir("./194") = 0 [pid 8588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8588] setpgid(0, 0) = 0 [pid 8588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8588] write(3, "1000", 4) = 4 [pid 8588] close(3) = 0 [pid 8588] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8588] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8588] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8588] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8589], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8589 [pid 8588] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8588] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8589 attached [pid 8589] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8589] memfd_create("syzkaller", 0) = 3 [pid 8589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 222.534464][ T8581] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 222.553257][ T8579] overlayfs: upper fs needs to support d_type. [ 222.560255][ T8579] overlayfs: upper fs does not support tmpfile. [ 222.567094][ T8579] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 222.576540][ T8579] overlayfs: failed to resolve './file0': -2 [pid 8589] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5001] <... umount2 resumed>) = 0 [pid 4998] <... umount2 resumed>) = 0 [pid 5001] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] lstat("./191/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8579] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] lstat("./192/bus", [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./191/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8579] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] fstat(4, [pid 4998] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8576] <... futex resumed>) = 0 [pid 8576] exit_group(0) = ? [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8579] <... futex resumed>) = ? [pid 5001] getdents64(4, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] openat(AT_FDCWD, "./192/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] <... openat resumed>) = 4 [pid 5001] close(4 [pid 4998] fstat(4, [pid 5001] <... close resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] rmdir("./191/bus") = 0 [pid 4998] getdents64(4, [pid 5001] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(4, [pid 5001] lstat("./191/binderfs", [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] close(4 [pid 5001] unlink("./191/binderfs" [pid 4998] <... close resumed>) = 0 [ 222.616065][ T8579] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5001] <... unlink resumed>) = 0 [pid 4998] rmdir("./192/bus") = 0 [pid 5001] getdents64(3, [pid 4998] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 5001] rmdir("./191" [pid 4998] lstat("./192/binderfs", [pid 8579] +++ exited with 0 +++ [pid 8576] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8576, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./192", 0777 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] unlink("./192/binderfs" [pid 5001] <... mkdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4998] <... unlink resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4998] getdents64(3, [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] close(3 [pid 5001] close(3 [pid 4998] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4998] rmdir("./192" [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... rmdir resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8590 [pid 4998] mkdir("./193", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 ./strace-static-x86_64: Process 8590 attached [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8589] <... write resumed>) = 4194304 [pid 8590] set_robust_list(0x5555564f86e0, 24 [pid 8589] munmap(0x7f6a505d5000, 4194304 [pid 8590] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 8591 attached [pid 8591] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8591] chdir("./193") = 0 [pid 8589] <... munmap resumed>) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8591 [pid 8591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8590] chdir("./192" [pid 8591] setpgid(0, 0) = 0 [pid 8591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8590] <... chdir resumed>) = 0 [pid 8589] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8591] <... openat resumed>) = 3 [pid 8591] write(3, "1000", 4) = 4 [pid 8591] close(3) = 0 [pid 8591] symlink("/dev/binderfs", "./binderfs" [pid 8590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8589] <... openat resumed>) = 4 [pid 8590] <... prctl resumed>) = 0 [pid 8591] <... symlink resumed>) = 0 [pid 8591] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8591] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8590] setpgid(0, 0 [pid 8589] ioctl(4, LOOP_SET_FD, 3 [pid 8590] <... setpgid resumed>) = 0 [pid 8591] <... mprotect resumed>) = 0 [pid 8591] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8592], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8592 [pid 8591] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8591] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 8592 attached [pid 8592] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8590] write(3, "1000", 4) = 4 [pid 8590] close(3) = 0 [pid 8590] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8592] memfd_create("syzkaller", 0 [pid 8590] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8590] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8592] <... memfd_create resumed>) = 3 [pid 8592] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8590] <... mprotect resumed>) = 0 [pid 8590] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8593], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8593 [pid 8590] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8589] <... ioctl resumed>) = 0 [pid 8590] <... futex resumed>) = 0 [pid 8590] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8589] close(3) = 0 [pid 8589] mkdir("./bus", 0777) = 0 [pid 8589] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8593 attached [pid 8593] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8593] memfd_create("syzkaller", 0) = 3 [pid 8593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./191/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./191/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 222.727369][ T8589] loop3: detected capacity change from 0 to 8192 [ 222.748336][ T8589] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 222.761965][ T8589] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 8592] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./191/bus") = 0 [pid 4997] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./191/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./191") = 0 [pid 4997] mkdir("./192", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8595 [pid 8593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8595 attached [pid 8595] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8595] chdir("./192") = 0 [pid 8595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8595] setpgid(0, 0) = 0 [pid 8595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 222.774334][ T8589] REISERFS (device loop3): using ordered data mode [ 222.782711][ T8589] reiserfs: using flush barriers [ 222.789217][ T8589] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.806367][ T8589] REISERFS (device loop3): checking transaction log (loop3) [ 222.815190][ T8589] REISERFS (device loop3): Using r5 hash to sort names [pid 8595] write(3, "1000", 4) = 4 [pid 8595] close(3) = 0 [pid 8595] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8595] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8595] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8595] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8596], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8596 [pid 8595] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8595] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8589] <... mount resumed>) = 0 [pid 8589] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8589] chdir("./bus") = 0 [pid 8589] ioctl(4, LOOP_CLR_FD) = 0 [pid 8589] close(4./strace-static-x86_64: Process 8596 attached [pid 8593] <... write resumed>) = 4194304 [pid 8592] <... write resumed>) = 4194304 [pid 8589] <... close resumed>) = 0 [pid 8596] set_robust_list(0x7f6a589f59e0, 24 [pid 8593] munmap(0x7f6a505d5000, 4194304 [pid 8592] munmap(0x7f6a505d5000, 4194304 [pid 8589] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8596] <... set_robust_list resumed>) = 0 [pid 8593] <... munmap resumed>) = 0 [pid 8592] <... munmap resumed>) = 0 [pid 8589] <... futex resumed>) = 1 [pid 8588] <... futex resumed>) = 0 [pid 8596] memfd_create("syzkaller", 0 [pid 8593] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8589] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8588] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8596] <... memfd_create resumed>) = 3 [pid 8593] <... openat resumed>) = 4 [pid 8589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8588] <... futex resumed>) = 0 [pid 8596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 222.823147][ T8589] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.836596][ T8589] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8593] ioctl(4, LOOP_SET_FD, 3 [pid 8592] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8589] mkdir("./file1", 000 [pid 8588] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8596] <... mmap resumed>) = 0x7f6a505d5000 [pid 8592] <... openat resumed>) = 4 [pid 8589] <... mkdir resumed>) = 0 [pid 8593] <... ioctl resumed>) = 0 [pid 8593] close(3) = 0 [pid 8593] mkdir("./bus", 0777) = 0 [pid 8593] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8596] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8592] ioctl(4, LOOP_SET_FD, 3 [pid 8589] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8592] <... ioctl resumed>) = 0 [pid 8589] <... futex resumed>) = 1 [pid 8588] <... futex resumed>) = 0 [pid 8592] close(3 [pid 8589] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8588] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8592] <... close resumed>) = 0 [pid 8589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8588] <... futex resumed>) = 0 [pid 8592] mkdir("./bus", 0777 [pid 8589] mkdir("./bus", 000 [ 222.872758][ T8593] loop4: detected capacity change from 0 to 8192 [ 222.886412][ T8593] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 222.899664][ T8592] loop1: detected capacity change from 0 to 8192 [ 222.903116][ T8593] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8588] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8592] <... mkdir resumed>) = 0 [pid 8589] <... mkdir resumed>) = 0 [pid 8592] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8589] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8588] <... futex resumed>) = 0 [pid 8589] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8588] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8596] <... write resumed>) = 4194304 [pid 8589] <... futex resumed>) = 0 [pid 8588] <... futex resumed>) = 1 [pid 8589] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8588] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8596] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8596] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8596] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8596] close(3) = 0 [pid 8596] mkdir("./bus", 0777) = 0 [ 222.920587][ T8593] REISERFS (device loop4): using ordered data mode [ 222.929983][ T8592] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 222.930419][ T8593] reiserfs: using flush barriers [ 222.944104][ T8589] overlayfs: upper fs needs to support d_type. [ 222.954136][ T8596] loop0: detected capacity change from 0 to 8192 [ 222.958002][ T8592] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8596] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8588] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 222.961262][ T8593] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.970102][ T8589] overlayfs: upper fs does not support tmpfile. [ 222.987252][ T8592] REISERFS (device loop1): using ordered data mode [ 222.993048][ T8589] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.007899][ T8593] REISERFS (device loop4): checking transaction log (loop4) [ 223.008726][ T8589] overlayfs: failed to resolve './file0': -2 [pid 8588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [ 223.016027][ T8592] reiserfs: using flush barriers [ 223.021848][ T8596] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.028039][ T8593] REISERFS (device loop4): Using r5 hash to sort names [ 223.039576][ T8596] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 223.048611][ T8593] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8588] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8593] <... mount resumed>) = 0 [pid 8588] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8600], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8600 [pid 8588] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8588] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8600 attached [pid 8600] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8600] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8600] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8593] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8589] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8593] <... openat resumed>) = 3 [pid 8589] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 223.056148][ T8596] REISERFS (device loop0): using ordered data mode [ 223.068127][ T8593] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 223.075001][ T8592] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.084121][ T8596] reiserfs: using flush barriers [ 223.106763][ T8596] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8589] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8593] chdir("./bus") = 0 [pid 8593] ioctl(4, LOOP_CLR_FD) = 0 [pid 8593] close(4) = 0 [pid 8593] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8590] <... futex resumed>) = 0 [pid 8593] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8590] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8590] <... futex resumed>) = 0 [pid 8593] mkdir("./file1", 000 [pid 8590] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8593] <... mkdir resumed>) = 0 [pid 8593] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8590] <... futex resumed>) = 0 [pid 8593] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8590] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8590] <... futex resumed>) = 0 [pid 8593] mkdir("./bus", 000 [ 223.112106][ T8600] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 223.123432][ T8592] REISERFS (device loop1): checking transaction log (loop1) [ 223.145570][ T8596] REISERFS (device loop0): checking transaction log (loop0) [ 223.154942][ T8592] REISERFS (device loop1): Using r5 hash to sort names [ 223.163863][ T8596] REISERFS (device loop0): Using r5 hash to sort names [pid 8590] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8593] <... mkdir resumed>) = 0 [pid 8593] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8593] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8590] <... futex resumed>) = 0 [pid 8590] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8590] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8600] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8596] <... mount resumed>) = 0 [pid 8593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8596] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8593] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8596] <... openat resumed>) = 3 [pid 8596] chdir("./bus") = 0 [pid 8596] ioctl(4, LOOP_CLR_FD) = 0 [pid 8596] close(4) = 0 [pid 8596] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8596] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8600] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8595] <... futex resumed>) = 0 [ 223.171531][ T8596] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.185605][ T8596] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 223.187858][ T8592] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.199131][ T8593] overlayfs: upper fs needs to support d_type. [pid 8595] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8600] <... futex resumed>) = 1 [pid 8596] <... futex resumed>) = 0 [pid 8595] <... futex resumed>) = 1 [pid 8588] <... futex resumed>) = 0 [pid 8596] mkdir("./file1", 000) = 0 [pid 8596] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8596] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8600] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8595] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8592] <... mount resumed>) = 0 [pid 8588] exit_group(0 [pid 8600] <... futex resumed>) = ? [pid 8595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8589] <... futex resumed>) = ? [pid 8588] <... exit_group resumed>) = ? [pid 8600] +++ exited with 0 +++ [pid 8595] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8589] +++ exited with 0 +++ [pid 8588] +++ exited with 0 +++ [pid 8595] <... futex resumed>) = 1 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8588, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8595] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8592] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8596] <... futex resumed>) = 0 [pid 8596] mkdir("./bus", 000) = 0 [pid 8596] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8596] <... futex resumed>) = 1 [pid 8595] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8596] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8595] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8595] <... futex resumed>) = 0 [pid 8590] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5000] <... openat resumed>) = 3 [pid 8595] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8590] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] fstat(3, [pid 8590] <... futex resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] getdents64(3, [pid 8590] <... mmap resumed>) = 0x7f6a509b4000 [pid 5000] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8590] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 5000] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8590] <... mprotect resumed>) = 0 [pid 8590] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8601], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8601 [pid 8590] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8590] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8592] chdir("./bus") = 0 [pid 8592] ioctl(4, LOOP_CLR_FD) = 0 [pid 8592] close(4) = 0 [pid 8592] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8591] <... futex resumed>) = 0 [pid 8591] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8591] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8592] <... futex resumed>) = 1 [pid 8592] mkdir("./file1", 000) = 0 [pid 8592] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8591] <... futex resumed>) = 0 [pid 8592] <... futex resumed>) = 1 [pid 8591] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8592] mkdir("./bus", 000 [pid 8591] <... futex resumed>) = 0 [pid 8592] <... mkdir resumed>) = 0 [pid 8591] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8592] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8591] <... futex resumed>) = 0 [pid 8592] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8591] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8591] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8601 attached [pid 8601] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8601] mkdir(".", 0777) = -1 EEXIST (File exists) [ 223.218202][ T8592] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 223.225661][ T8593] overlayfs: upper fs does not support tmpfile. [ 223.239224][ T8596] overlayfs: upper fs needs to support d_type. [ 223.261624][ T8592] overlayfs: upper fs needs to support d_type. [pid 8601] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8595] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8595] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8591] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8595] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8591] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8595] <... mprotect resumed>) = 0 [pid 8591] <... futex resumed>) = 0 [pid 8595] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8595] <... clone resumed>, parent_tid=[8602], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8602 [pid 8591] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8595] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8591] <... mprotect resumed>) = 0 [pid 8595] <... futex resumed>) = 0 [pid 8591] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8595] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8591] <... clone resumed>, parent_tid=[8603], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8603 [pid 8591] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8591] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8603 attached [pid 8603] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8603] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8603] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8602 attached [pid 5000] <... umount2 resumed>) = 0 [pid 8602] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8602] mkdir(".", 0777) = -1 EEXIST (File exists) [ 223.283588][ T8596] overlayfs: upper fs does not support tmpfile. [ 223.287358][ T8601] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 223.301805][ T8596] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.313155][ T8596] overlayfs: failed to resolve './file0': -2 [ 223.320665][ T8592] overlayfs: upper fs does not support tmpfile. [pid 8602] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 5000] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8602] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8601] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8596] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8603] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8603] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8591] <... futex resumed>) = 0 [pid 8603] <... futex resumed>) = 1 [ 223.351291][ T8602] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 223.352024][ T8603] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 223.380592][ T8593] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.382621][ T8592] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.390510][ T8593] overlayfs: failed to resolve './file0': -2 [pid 8603] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8602] <... futex resumed>) = 1 [pid 8601] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8596] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8595] <... futex resumed>) = 0 [pid 5000] lstat("./194/bus", [pid 8602] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8601] <... futex resumed>) = 1 [pid 8596] <... futex resumed>) = 0 [pid 8595] exit_group(0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8602] <... futex resumed>) = ? [pid 8601] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8595] <... exit_group resumed>) = ? [pid 5000] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8602] +++ exited with 0 +++ [pid 8596] +++ exited with 0 +++ [pid 8595] +++ exited with 0 +++ [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./194/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8595, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5000] fstat(4, [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... restart_syscall resumed>) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4 [pid 4997] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8590] <... futex resumed>) = 0 [pid 5000] rmdir("./194/bus" [pid 4997] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... rmdir resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 5000] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] fstat(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] lstat("./194/binderfs", [pid 4997] getdents64(3, [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] unlink("./194/binderfs" [pid 4997] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... unlink resumed>) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./194") = 0 [pid 5000] mkdir("./195", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8604 ./strace-static-x86_64: Process 8604 attached [pid 8604] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8604] chdir("./195") = 0 [pid 8604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8604] setpgid(0, 0) = 0 [pid 8604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8604] write(3, "1000", 4) = 4 [pid 8604] close(3) = 0 [pid 8604] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8604] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8604] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8604] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8605 attached [pid 8605] set_robust_list(0x7f6a589f59e0, 24 [pid 8604] <... clone resumed>, parent_tid=[8605], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8605 [pid 8605] <... set_robust_list resumed>) = 0 [pid 8604] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8604] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8605] memfd_create("syzkaller", 0) = 3 [pid 8605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8593] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8592] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8593] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8592] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8593] <... futex resumed>) = 0 [pid 8592] <... futex resumed>) = 0 [pid 8593] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8592] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8591] exit_group(0 [pid 8590] exit_group(0 [pid 8603] <... futex resumed>) = ? [ 223.399505][ T8592] overlayfs: failed to resolve './file0': -2 [pid 8601] <... futex resumed>) = ? [pid 8593] <... futex resumed>) = ? [pid 8592] <... futex resumed>) = ? [pid 8591] <... exit_group resumed>) = ? [pid 8590] <... exit_group resumed>) = ? [pid 8603] +++ exited with 0 +++ [pid 8601] +++ exited with 0 +++ [pid 8593] +++ exited with 0 +++ [pid 8592] +++ exited with 0 +++ [pid 8591] +++ exited with 0 +++ [pid 8590] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8591, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8590, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5001] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8605] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] <... umount2 resumed>) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./192/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./192/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./192/bus") = 0 [pid 4998] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./193/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./193/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... openat resumed>) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./193/bus" [pid 5001] lstat("./192/binderfs", [pid 4998] <... rmdir resumed>) = 0 [pid 4998] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./193/binderfs" [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./193" [pid 5001] unlink("./192/binderfs" [pid 4998] <... rmdir resumed>) = 0 [pid 4998] mkdir("./194", 0777 [pid 5001] <... unlink resumed>) = 0 [pid 5001] getdents64(3, [pid 4998] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 5001] close(3 [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... close resumed>) = 0 [pid 4998] close(3 [pid 5001] rmdir("./192" [pid 8605] <... write resumed>) = 4194304 [pid 4998] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 8605] munmap(0x7f6a505d5000, 4194304 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8605] <... munmap resumed>) = 0 [pid 8605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8606 [pid 8605] <... openat resumed>) = 4 [pid 8605] ioctl(4, LOOP_SET_FD, 3 [pid 4997] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8606 attached [pid 5001] <... rmdir resumed>) = 0 [pid 8606] set_robust_list(0x5555564f86e0, 24 [pid 5001] mkdir("./193", 0777 [pid 8606] <... set_robust_list resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 8606] chdir("./194" [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8606] <... chdir resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 8606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] ioctl(3, LOOP_CLR_FD [pid 8606] <... prctl resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8606] setpgid(0, 0 [pid 5001] close(3 [pid 8605] <... ioctl resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8605] close(3 [pid 4997] lstat("./192/bus", [pid 8605] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8605] mkdir("./bus", 0777 [pid 4997] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8606] <... setpgid resumed>) = 0 [pid 8605] <... mkdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8605] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8607 [pid 4997] openat(AT_FDCWD, "./192/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8606] <... openat resumed>) = 3 [pid 4997] <... openat resumed>) = 4 [pid 8606] write(3, "1000", 4 [pid 4997] fstat(4, [pid 8606] <... write resumed>) = 4 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8606] close(3 [pid 4997] getdents64(4, ./strace-static-x86_64: Process 8607 attached [pid 8606] <... close resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8607] set_robust_list(0x5555564f86e0, 24 [pid 8606] symlink("/dev/binderfs", "./binderfs" [pid 4997] getdents64(4, [pid 8607] <... set_robust_list resumed>) = 0 [pid 8606] <... symlink resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./192/bus") = 0 [pid 4997] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./192/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8606] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] unlink("./192/binderfs" [pid 8607] chdir("./193" [pid 8606] <... futex resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 8607] <... chdir resumed>) = 0 [pid 8606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8606] <... mmap resumed>) = 0x7f6a589d5000 [pid 4997] getdents64(3, [pid 8607] <... prctl resumed>) = 0 [pid 8606] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8607] setpgid(0, 0 [pid 8606] <... mprotect resumed>) = 0 [pid 8607] <... setpgid resumed>) = 0 [pid 8606] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8606] <... clone resumed>, parent_tid=[8609], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8609 [pid 8607] write(3, "1000", 4 [pid 8606] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8607] <... write resumed>) = 4 [pid 8606] <... futex resumed>) = 0 [pid 8607] close(3 [pid 8606] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8607] <... close resumed>) = 0 [pid 8607] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8607] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8607] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8607] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8610], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8610 [pid 8607] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8607] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./192") = 0 [pid 4997] mkdir("./193", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3./strace-static-x86_64: Process 8610 attached ./strace-static-x86_64: Process 8609 attached ) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8611 [pid 8610] set_robust_list(0x7f6a589f59e0, 24 [pid 8609] set_robust_list(0x7f6a589f59e0, 24 [pid 8610] <... set_robust_list resumed>) = 0 [pid 8609] <... set_robust_list resumed>) = 0 [pid 8610] memfd_create("syzkaller", 0./strace-static-x86_64: Process 8611 attached ) = 3 [pid 8609] memfd_create("syzkaller", 0 [pid 8611] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8611] chdir("./193") = 0 [ 223.545560][ T8605] loop3: detected capacity change from 0 to 8192 [ 223.567708][ T8605] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.581376][ T8605] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 8611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8611] setpgid(0, 0) = 0 [pid 8611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8611] write(3, "1000", 4) = 4 [pid 8611] close(3) = 0 [pid 8611] symlink("/dev/binderfs", "./binderfs" [pid 8610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8609] <... memfd_create resumed>) = 3 [pid 8611] <... symlink resumed>) = 0 [pid 8611] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8611] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8611] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8612], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8612 [pid 8611] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8611] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8610] <... mmap resumed>) = 0x7f6a505d5000 ./strace-static-x86_64: Process 8612 attached [pid 8609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8612] set_robust_list(0x7f6a589f59e0, 24 [pid 8609] <... mmap resumed>) = 0x7f6a505d5000 [pid 8612] <... set_robust_list resumed>) = 0 [pid 8612] memfd_create("syzkaller", 0) = 3 [pid 8612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8610] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 223.592353][ T8605] REISERFS (device loop3): using ordered data mode [ 223.599851][ T8605] reiserfs: using flush barriers [ 223.606260][ T8605] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8612] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8610] <... write resumed>) = 4194304 [pid 8610] munmap(0x7f6a505d5000, 4194304 [pid 8609] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8610] <... munmap resumed>) = 0 [pid 8610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8610] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8610] close(3) = 0 [pid 8610] mkdir("./bus", 0777) = 0 [ 223.656151][ T8605] REISERFS (device loop3): checking transaction log (loop3) [ 223.674099][ T8610] loop4: detected capacity change from 0 to 8192 [ 223.681476][ T8605] REISERFS (device loop3): Using r5 hash to sort names [pid 8610] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8612] <... write resumed>) = 4194304 [pid 8612] munmap(0x7f6a505d5000, 4194304 [pid 8609] <... write resumed>) = 4194304 [pid 8612] <... munmap resumed>) = 0 [pid 8612] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8612] ioctl(4, LOOP_SET_FD, 3 [pid 8609] munmap(0x7f6a505d5000, 4194304 [pid 8605] <... mount resumed>) = 0 [pid 8612] <... ioctl resumed>) = 0 [pid 8612] close(3) = 0 [pid 8612] mkdir("./bus", 0777) = 0 [pid 8612] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8609] <... munmap resumed>) = 0 [pid 8609] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8609] ioctl(4, LOOP_SET_FD, 3 [pid 8605] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 223.697397][ T8605] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.710781][ T8610] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.718946][ T8605] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 223.728676][ T8612] loop0: detected capacity change from 0 to 8192 [ 223.733783][ T8610] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8605] chdir("./bus") = 0 [pid 8609] <... ioctl resumed>) = 0 [pid 8609] close(3) = 0 [pid 8609] mkdir("./bus", 0777) = 0 [pid 8609] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8605] ioctl(4, LOOP_CLR_FD) = 0 [ 223.749714][ T8612] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.750248][ T8609] loop1: detected capacity change from 0 to 8192 [ 223.763161][ T8610] REISERFS (device loop4): using ordered data mode [ 223.774899][ T8612] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 223.785433][ T8610] reiserfs: using flush barriers [ 223.786650][ T8612] REISERFS (device loop0): using ordered data mode [ 223.791571][ T8610] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.798700][ T8612] reiserfs: using flush barriers [ 223.813508][ T8609] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.819631][ T8610] REISERFS (device loop4): checking transaction log (loop4) [ 223.837627][ T8612] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8605] close(4) = 0 [pid 8605] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8604] <... futex resumed>) = 0 [pid 8605] mkdir("./file1", 000 [pid 8604] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8605] <... mkdir resumed>) = 0 [pid 8604] <... futex resumed>) = 0 [pid 8605] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8604] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8605] <... futex resumed>) = 0 [pid 8604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8605] mkdir("./bus", 000 [pid 8604] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8605] <... mkdir resumed>) = 0 [pid 8604] <... futex resumed>) = 0 [pid 8605] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8604] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8605] <... futex resumed>) = 0 [pid 8604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8605] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8604] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 223.839124][ T8609] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 223.858974][ T8605] overlayfs: upper fs needs to support d_type. [ 223.864461][ T8609] REISERFS (device loop1): using ordered data mode [ 223.876943][ T8610] REISERFS (device loop4): Using r5 hash to sort names [ 223.883867][ T8609] reiserfs: using flush barriers [ 223.889859][ T8610] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8604] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [ 223.897933][ T8605] overlayfs: upper fs does not support tmpfile. [ 223.902551][ T8609] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.910211][ T8612] REISERFS (device loop0): checking transaction log (loop0) [ 223.925018][ T8610] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 223.933642][ T8605] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.941729][ T8609] REISERFS (device loop1): checking transaction log (loop1) [pid 8610] <... mount resumed>) = 0 [pid 8604] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8604] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8604] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8616], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8616 [pid 8604] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8604] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8610] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8610] chdir("./bus") = 0 [pid 8610] ioctl(4, LOOP_CLR_FD) = 0 [pid 8610] close(4) = 0 [pid 8610] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8607] <... futex resumed>) = 0 [pid 8607] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8607] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8616 attached [pid 8616] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8616] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8616] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8610] <... futex resumed>) = 1 [pid 8610] mkdir("./file1", 000) = 0 [pid 8610] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8607] <... futex resumed>) = 0 [pid 8607] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8607] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8610] <... futex resumed>) = 1 [pid 8605] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8605] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8605] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8610] mkdir("./bus", 000) = 0 [pid 8610] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8607] <... futex resumed>) = 0 [pid 8607] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8607] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8610] <... futex resumed>) = 1 [ 223.950570][ T8605] overlayfs: failed to resolve './file0': -2 [ 223.967289][ T8609] REISERFS (device loop1): Using r5 hash to sort names [ 223.974906][ T8612] REISERFS (device loop0): Using r5 hash to sort names [ 223.984522][ T8609] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.996194][ T8610] overlayfs: upper fs needs to support d_type. [pid 8610] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8609] <... mount resumed>) = 0 [pid 8609] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8609] chdir("./bus") = 0 [pid 8609] ioctl(4, LOOP_CLR_FD) = 0 [pid 8609] close(4) = 0 [pid 8609] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8606] <... futex resumed>) = 0 [pid 8606] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8606] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8609] <... futex resumed>) = 1 [pid 8609] mkdir("./file1", 000) = 0 [pid 8607] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8607] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 8607] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8607] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8607] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8617], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8617 [pid 8607] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8607] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8609] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8606] <... futex resumed>) = 0 [pid 8606] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8606] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8609] <... futex resumed>) = 1 [pid 8609] mkdir("./bus", 000) = 0 [pid 8609] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8606] <... futex resumed>) = 0 [pid 8609] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8606] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8606] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8617 attached [pid 8617] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8617] mkdir(".", 0777) = -1 EEXIST (File exists) [ 223.998258][ T8609] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 224.014567][ T8610] overlayfs: upper fs does not support tmpfile. [ 224.022797][ T8612] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.038246][ T8616] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.054045][ T8609] overlayfs: upper fs needs to support d_type. [ 224.054217][ T8610] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 224.062125][ T8609] overlayfs: upper fs does not support tmpfile. [ 224.068606][ T8612] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 224.076277][ T8609] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 224.084395][ T8610] overlayfs: failed to resolve './file0': -2 [pid 8617] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8616] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8612] <... mount resumed>) = 0 [pid 8606] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8606] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8606] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8606] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8618], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8618 [pid 8606] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8606] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8618 attached [pid 8618] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8618] mkdir(".", 0777 [pid 8616] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8612] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8618] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8616] <... futex resumed>) = 1 [pid 8612] <... openat resumed>) = 3 [pid 8604] <... futex resumed>) = 0 [pid 8616] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8612] chdir("./bus" [pid 8610] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8604] exit_group(0 [pid 8618] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8617] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8617] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8607] <... futex resumed>) = 0 [pid 8617] <... futex resumed>) = 1 [pid 8617] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8612] <... chdir resumed>) = 0 [pid 8610] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8605] <... futex resumed>) = ? [pid 8604] <... exit_group resumed>) = ? [pid 8616] <... futex resumed>) = ? [pid 8612] ioctl(4, LOOP_CLR_FD [pid 8610] <... futex resumed>) = 0 [pid 8605] +++ exited with 0 +++ [pid 8607] exit_group(0) = ? [pid 8616] +++ exited with 0 +++ [pid 8612] <... ioctl resumed>) = 0 [pid 8604] +++ exited with 0 +++ [pid 8612] close(4 [pid 8610] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8604, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 8612] <... close resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5000] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8609] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8617] <... futex resumed>) = ? [pid 8609] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8609] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8617] +++ exited with 0 +++ [pid 8607] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8607, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8612] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8611] <... futex resumed>) = 0 [pid 8611] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8611] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8612] mkdir("./file1", 000) = 0 [pid 8612] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8618] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8612] <... futex resumed>) = 1 [pid 8611] <... futex resumed>) = 0 [pid 8618] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8612] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8611] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8618] <... futex resumed>) = 1 [pid 8612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8611] <... futex resumed>) = 0 [pid 8606] <... futex resumed>) = 0 [pid 8618] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8612] mkdir("./bus", 000 [pid 8611] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8606] exit_group(0 [pid 8612] <... mkdir resumed>) = 0 [pid 8618] <... futex resumed>) = ? [pid 8609] <... futex resumed>) = ? [pid 8606] <... exit_group resumed>) = ? [pid 8618] +++ exited with 0 +++ [pid 8612] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8609] +++ exited with 0 +++ [pid 8606] +++ exited with 0 +++ [pid 5000] <... umount2 resumed>) = 0 [pid 8612] <... futex resumed>) = 1 [pid 8611] <... futex resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8606, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [ 224.090146][ T8617] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.097760][ T8609] overlayfs: failed to resolve './file0': -2 [ 224.133448][ T8618] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8612] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8611] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8611] <... futex resumed>) = 0 [pid 8611] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8612] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] lstat("./195/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./195/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./195/bus") = 0 [pid 5000] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./195/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 5000] rmdir("./195") = 0 [pid 5000] mkdir("./196", 0777) = 0 [pid 5001] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./193/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./193/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4 [pid 8611] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] <... close resumed>) = 0 [pid 8611] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5001] rmdir("./193/bus" [pid 8611] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8611] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 8611] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8611] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8611] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8619], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8619 [pid 8611] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8611] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... rmdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5001] unlink("./193/binderfs" [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] <... unlink resumed>) = 0 [pid 5000] close(3) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./193") = 0 [pid 5001] mkdir("./194", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 ./strace-static-x86_64: Process 8619 attached [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8619] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8619] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8619] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8620 [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8621 [pid 8612] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8612] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8620 attached ) = 0 [pid 8612] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8620] set_robust_list(0x5555564f86e0, 24 [pid 4998] <... umount2 resumed>) = 0 [pid 8620] <... set_robust_list resumed>) = 0 [pid 8620] chdir("./194"./strace-static-x86_64: Process 8621 attached [ 224.196373][ T8612] overlayfs: upper fs needs to support d_type. [ 224.204209][ T8612] overlayfs: upper fs does not support tmpfile. [ 224.214849][ T8612] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 224.228691][ T8612] overlayfs: failed to resolve './file0': -2 [pid 8621] set_robust_list(0x5555564f86e0, 24 [pid 8620] <... chdir resumed>) = 0 [pid 4998] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8621] <... set_robust_list resumed>) = 0 [pid 8620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8621] chdir("./196" [pid 8620] <... prctl resumed>) = 0 [pid 8621] <... chdir resumed>) = 0 [pid 8620] setpgid(0, 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8620] <... setpgid resumed>) = 0 [pid 4998] lstat("./194/bus", [pid 8621] <... prctl resumed>) = 0 [pid 8620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8621] setpgid(0, 0 [pid 8620] <... openat resumed>) = 3 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8621] <... setpgid resumed>) = 0 [pid 8620] write(3, "1000", 4 [pid 4998] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8620] <... write resumed>) = 4 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8621] <... openat resumed>) = 3 [pid 8620] close(3 [pid 4998] openat(AT_FDCWD, "./194/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8621] write(3, "1000", 4 [pid 8620] <... close resumed>) = 0 [pid 4998] <... openat resumed>) = 4 [pid 8621] <... write resumed>) = 4 [pid 8620] symlink("/dev/binderfs", "./binderfs" [pid 8619] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4998] fstat(4, [pid 8621] close(3) = 0 [pid 8620] <... symlink resumed>) = 0 [pid 8619] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8621] symlink("/dev/binderfs", "./binderfs" [pid 8620] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8619] <... futex resumed>) = 1 [pid 8611] <... futex resumed>) = 0 [pid 8619] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8611] exit_group(0 [pid 4998] getdents64(4, [pid 8621] <... symlink resumed>) = 0 [pid 8620] <... futex resumed>) = 0 [pid 8619] <... futex resumed>) = ? [pid 8612] <... futex resumed>) = ? [pid 8611] <... exit_group resumed>) = ? [pid 8621] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8612] +++ exited with 0 +++ [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8621] <... futex resumed>) = 0 [pid 8620] <... mmap resumed>) = 0x7f6a589d5000 [pid 8619] +++ exited with 0 +++ [pid 8611] +++ exited with 0 +++ [pid 4998] getdents64(4, [pid 8621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8620] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8611, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 4998] <... getdents64 resumed>0x555556501760 /* 0 entries */, 32768) = 0 [pid 8621] <... mmap resumed>) = 0x7f6a589d5000 [pid 4998] close(4 [pid 4997] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8621] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8620] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] rmdir("./194/bus" [pid 8621] <... mprotect resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8622 attached [pid 8621] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8620] <... clone resumed>, parent_tid=[8622], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8622 [pid 4998] <... rmdir resumed>) = 0 [pid 8622] set_robust_list(0x7f6a589f59e0, 24 [pid 8620] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... openat resumed>) = 3 [pid 8622] <... set_robust_list resumed>) = 0 [pid 8621] <... clone resumed>, parent_tid=[8623], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8623 [pid 8620] <... futex resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8622] memfd_create("syzkaller", 0 [pid 8621] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8620] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] lstat("./194/binderfs", [pid 4997] fstat(3, [pid 8622] <... memfd_create resumed>) = 3 [pid 8621] <... futex resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4998] unlink("./194/binderfs" [pid 8622] <... mmap resumed>) = 0x7f6a505d5000 [pid 8621] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] <... unlink resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3 [pid 4997] getdents64(3, [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./194"./strace-static-x86_64: Process 8623 attached ) = 0 [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4998] mkdir("./195", 0777) = 0 [pid 8623] set_robust_list(0x7f6a589f59e0, 24 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4997] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3 [pid 8623] <... set_robust_list resumed>) = 0 [pid 8622] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] <... close resumed>) = 0 [pid 8623] memfd_create("syzkaller", 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8623] <... memfd_create resumed>) = 3 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8624 [pid 8623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [ 224.274201][ T8619] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" ./strace-static-x86_64: Process 8624 attached [pid 8624] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8624] chdir("./195") = 0 [pid 8624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8624] setpgid(0, 0) = 0 [pid 8624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8624] write(3, "1000", 4) = 4 [pid 8624] close(3) = 0 [pid 8624] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8624] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8624] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8624] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8625], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8625 [pid 8624] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8624] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8625 attached [pid 8625] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8625] memfd_create("syzkaller", 0) = 3 [pid 8625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8622] <... write resumed>) = 4194304 [pid 8625] <... mmap resumed>) = 0x7f6a505d5000 [pid 8622] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8622] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8622] ioctl(4, LOOP_SET_FD, 3 [pid 4997] <... umount2 resumed>) = 0 [pid 4997] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./193/bus", [pid 8623] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8625] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8622] <... ioctl resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./193/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 8622] close(3 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8622] <... close resumed>) = 0 [pid 8622] mkdir("./bus", 0777 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./193/bus" [pid 8622] <... mkdir resumed>) = 0 [pid 8622] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 4997] <... rmdir resumed>) = 0 [pid 4997] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./193/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./193") = 0 [pid 4997] mkdir("./194", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 224.367927][ T8622] loop4: detected capacity change from 0 to 8192 [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8627 ./strace-static-x86_64: Process 8627 attached [pid 8627] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8627] chdir("./194") = 0 [pid 8627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8627] setpgid(0, 0) = 0 [pid 8627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8627] write(3, "1000", 4) = 4 [pid 8625] <... write resumed>) = 4194304 [pid 8627] close(3 [pid 8625] munmap(0x7f6a505d5000, 4194304 [pid 8627] <... close resumed>) = 0 [pid 8627] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8627] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8627] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8625] <... munmap resumed>) = 0 [pid 8625] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8625] ioctl(4, LOOP_SET_FD, 3 [pid 8627] <... mprotect resumed>) = 0 [pid 8625] <... ioctl resumed>) = 0 [pid 8627] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8625] close(3) = 0 [pid 8625] mkdir("./bus", 0777) = 0 [pid 8625] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8627] <... clone resumed>, parent_tid=[8628], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8628 [ 224.419964][ T8622] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.457304][ T8625] loop1: detected capacity change from 0 to 8192 [pid 8627] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8628 attached [pid 8628] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8628] memfd_create("syzkaller", 0) = 3 [pid 8628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8627] <... futex resumed>) = 0 [pid 8627] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8623] <... write resumed>) = 4194304 [pid 8623] munmap(0x7f6a505d5000, 4194304 [pid 8628] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8623] <... munmap resumed>) = 0 [pid 8623] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 224.466137][ T8622] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 224.477579][ T8625] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.491879][ T8622] REISERFS (device loop4): using ordered data mode [ 224.500911][ T8625] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 224.510662][ T8622] reiserfs: using flush barriers [pid 8623] ioctl(4, LOOP_SET_FD, 3 [pid 8628] <... write resumed>) = 4194304 [pid 8628] munmap(0x7f6a505d5000, 4194304 [pid 8623] <... ioctl resumed>) = 0 [pid 8628] <... munmap resumed>) = 0 [pid 8628] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8628] ioctl(4, LOOP_SET_FD, 3 [ 224.516882][ T8623] loop3: detected capacity change from 0 to 8192 [ 224.524794][ T8622] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.526159][ T8628] loop0: detected capacity change from 0 to 8192 [ 224.542036][ T8622] REISERFS (device loop4): checking transaction log (loop4) [ 224.547880][ T8625] REISERFS (device loop1): using ordered data mode [ 224.556649][ T8622] REISERFS (device loop4): Using r5 hash to sort names [pid 8623] close(3) = 0 [pid 8628] <... ioctl resumed>) = 0 [pid 8628] close(3) = 0 [pid 8628] mkdir("./bus", 0777) = 0 [ 224.563846][ T8625] reiserfs: using flush barriers [ 224.575122][ T8622] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.575518][ T8625] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.588159][ T8622] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8628] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8623] mkdir("./bus", 0777) = 0 [pid 8623] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8622] <... mount resumed>) = 0 [pid 8622] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 224.604219][ T8628] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.627535][ T8625] REISERFS (device loop1): checking transaction log (loop1) [ 224.628089][ T8628] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 224.636398][ T8625] REISERFS (device loop1): Using r5 hash to sort names [ 224.645201][ T8628] REISERFS (device loop0): using ordered data mode [ 224.651826][ T8625] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8622] chdir("./bus") = 0 [pid 8622] ioctl(4, LOOP_CLR_FD) = 0 [pid 8622] close(4) = 0 [pid 8622] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8620] <... futex resumed>) = 0 [pid 8622] mkdir("./file1", 000 [pid 8620] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8622] <... mkdir resumed>) = 0 [pid 8620] <... futex resumed>) = 0 [pid 8622] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8620] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8622] <... futex resumed>) = 0 [pid 8620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8622] mkdir("./bus", 000 [pid 8620] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8622] <... mkdir resumed>) = 0 [pid 8620] <... futex resumed>) = 0 [pid 8622] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8620] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8622] <... futex resumed>) = 0 [pid 8620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8622] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8620] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 224.658482][ T8628] reiserfs: using flush barriers [ 224.671000][ T8625] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 224.682327][ T8623] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.693987][ T8628] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8620] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8625] <... mount resumed>) = 0 [pid 8620] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8625] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8625] chdir("./bus") = 0 [pid 8625] ioctl(4, LOOP_CLR_FD) = 0 [pid 8625] close(4) = 0 [pid 8625] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8624] <... futex resumed>) = 0 [pid 8625] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8624] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8624] <... futex resumed>) = 0 [pid 8625] mkdir("./file1", 000 [pid 8624] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8625] <... mkdir resumed>) = 0 [pid 8625] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8624] <... futex resumed>) = 0 [pid 8625] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8624] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8624] <... futex resumed>) = 0 [pid 8625] mkdir("./bus", 000 [pid 8624] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8625] <... mkdir resumed>) = 0 [pid 8625] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8624] <... futex resumed>) = 0 [pid 8625] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8624] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8620] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 224.697440][ T8623] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 224.716933][ T8622] overlayfs: upper fs needs to support d_type. [ 224.722664][ T8623] REISERFS (device loop3): using ordered data mode [ 224.735426][ T8623] reiserfs: using flush barriers [ 224.741255][ T8623] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.761283][ T8628] REISERFS (device loop0): checking transaction log (loop0) [pid 8624] <... futex resumed>) = 0 [pid 8625] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8624] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8620] <... futex resumed>) = 0 [ 224.769373][ T8623] REISERFS (device loop3): checking transaction log (loop3) [ 224.769699][ T8625] overlayfs: upper fs needs to support d_type. [ 224.776956][ T8622] overlayfs: upper fs does not support tmpfile. [ 224.789448][ T8628] REISERFS (device loop0): Using r5 hash to sort names [ 224.797111][ T8623] REISERFS (device loop3): Using r5 hash to sort names [ 224.797549][ T8628] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8620] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8620] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8632], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8632 [pid 8620] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8620] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8624] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8624] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8624] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8633], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8633 [pid 8624] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8624] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8632 attached ./strace-static-x86_64: Process 8633 attached [pid 8633] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8633] mkdir(".", 0777) = -1 EEXIST (File exists) [ 224.804271][ T8623] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.830362][ T8622] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 224.840447][ T8622] overlayfs: failed to resolve './file0': -2 [ 224.844678][ T8625] overlayfs: upper fs does not support tmpfile. [ 224.847562][ T8623] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8633] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8632] set_robust_list(0x7f6a509d49e0, 24 [pid 8623] <... mount resumed>) = 0 [pid 8622] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8633] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8632] <... set_robust_list resumed>) = 0 [pid 8628] <... mount resumed>) = 0 [pid 8623] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8622] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8632] mkdir(".", 0777 [pid 8623] <... openat resumed>) = 3 [pid 8622] <... futex resumed>) = 0 [pid 8632] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8623] chdir("./bus" [pid 8622] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8632] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8623] <... chdir resumed>) = 0 [pid 8623] ioctl(4, LOOP_CLR_FD) = 0 [pid 8623] close(4) = 0 [pid 8623] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8621] <... futex resumed>) = 0 [pid 8623] mkdir("./file1", 000 [pid 8621] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8623] <... mkdir resumed>) = 0 [pid 8621] <... futex resumed>) = 0 [pid 8623] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8621] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8623] <... futex resumed>) = 0 [pid 8621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8623] mkdir("./bus", 000 [pid 8621] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8623] <... mkdir resumed>) = 0 [pid 8621] <... futex resumed>) = 0 [pid 8623] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8621] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8623] <... futex resumed>) = 0 [pid 8621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8623] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8621] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 224.859860][ T8633] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.863398][ T8628] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 224.879158][ T8625] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 224.897547][ T8623] overlayfs: upper fs needs to support d_type. [ 224.899757][ T8632] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8621] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8628] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8633] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8628] <... openat resumed>) = 3 [pid 8624] <... futex resumed>) = 0 [pid 8628] chdir("./bus" [pid 8633] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8628] <... chdir resumed>) = 0 [pid 8628] ioctl(4, LOOP_CLR_FD) = 0 [pid 8628] close(4) = 0 [pid 8628] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8627] <... futex resumed>) = 0 [pid 8627] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8628] mkdir("./file1", 000 [pid 8627] <... futex resumed>) = 0 [pid 8627] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8628] <... mkdir resumed>) = 0 [pid 8628] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8621] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8628] <... futex resumed>) = 1 [pid 8628] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8627] <... futex resumed>) = 0 [pid 8621] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8627] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8621] <... futex resumed>) = 0 [pid 8628] mkdir("./bus", 000 [pid 8627] <... futex resumed>) = 0 [pid 8621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8628] <... mkdir resumed>) = 0 [pid 8627] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8621] <... mmap resumed>) = 0x7f6a509b4000 [pid 8628] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8621] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8628] <... futex resumed>) = 0 [pid 8627] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8621] <... mprotect resumed>) = 0 [pid 8628] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8627] <... futex resumed>) = 0 [pid 8621] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8627] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8621] <... clone resumed>, parent_tid=[8634], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8634 [pid 8621] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8621] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8634 attached [pid 8634] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8634] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8634] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8632] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8632] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8620] <... futex resumed>) = 0 [pid 8620] exit_group(0 [pid 8622] <... futex resumed>) = ? [pid 8620] <... exit_group resumed>) = ? [pid 8622] +++ exited with 0 +++ [pid 8632] <... futex resumed>) = ? [pid 8632] +++ exited with 0 +++ [pid 8620] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8620, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5001] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 224.904617][ T8625] overlayfs: failed to resolve './file0': -2 [ 224.925452][ T8623] overlayfs: upper fs does not support tmpfile. [ 224.935037][ T8623] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 224.950048][ T8628] overlayfs: upper fs needs to support d_type. [ 224.952086][ T8623] overlayfs: failed to resolve './file0': -2 [ 224.956269][ T8628] overlayfs: upper fs does not support tmpfile. [pid 5001] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8625] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8625] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8625] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8634] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8634] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8621] <... futex resumed>) = 0 [pid 8634] <... futex resumed>) = 1 [pid 8634] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8624] exit_group(0 [pid 8625] <... futex resumed>) = ? [pid 8624] <... exit_group resumed>) = ? [pid 8625] +++ exited with 0 +++ [pid 8633] <... futex resumed>) = ? [pid 8633] +++ exited with 0 +++ [pid 8624] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8624, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 4998] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8623] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 4998] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8623] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] <... openat resumed>) = 3 [pid 8623] <... futex resumed>) = 0 [pid 4998] fstat(3, [pid 8623] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8627] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4998] getdents64(3, [pid 8627] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8621] exit_group(0 [pid 8627] <... futex resumed>) = 0 [pid 8623] <... futex resumed>) = ? [pid 8621] <... exit_group resumed>) = ? [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8623] +++ exited with 0 +++ [pid 4998] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8627] <... mmap resumed>) = 0x7f6a509b4000 [pid 8627] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8627] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8635], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8635 [pid 8627] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8627] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8634] <... futex resumed>) = ? [pid 8634] +++ exited with 0 +++ [pid 8621] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8621, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8635 attached [pid 8635] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8635] mkdir(".", 0777) = -1 EEXIST (File exists) [ 224.974169][ T8634] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.988760][ T8628] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 225.007861][ T8628] overlayfs: failed to resolve './file0': -2 [pid 8635] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./194/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./194/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./194/bus") = 0 [pid 5001] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./194/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./194") = 0 [pid 5001] mkdir("./195", 0777) = 0 [pid 8628] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8628] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8628] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 8635] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8636 attached [pid 8635] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8636] set_robust_list(0x5555564f86e0, 24 [pid 8635] <... futex resumed>) = 1 [pid 5001] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8636 [pid 8635] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8627] <... futex resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8636] <... set_robust_list resumed>) = 0 [pid 8636] chdir("./195" [pid 8627] exit_group(0 [ 225.033908][ T8635] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] lstat("./195/bus", [pid 8636] <... chdir resumed>) = 0 [pid 8628] <... futex resumed>) = ? [pid 8627] <... exit_group resumed>) = ? [pid 8628] +++ exited with 0 +++ [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8635] <... futex resumed>) = ? [pid 8635] +++ exited with 0 +++ [pid 8627] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8627, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 8636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8636] <... prctl resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8636] setpgid(0, 0 [pid 4998] openat(AT_FDCWD, "./195/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8636] <... setpgid resumed>) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./196/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./196/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4 [pid 8636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... close resumed>) = 0 [pid 8636] <... openat resumed>) = 3 [pid 4998] fstat(4, [pid 8636] write(3, "1000", 4 [pid 4997] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8636] <... write resumed>) = 4 [pid 8636] close(3 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8636] <... close resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] getdents64(4, [pid 8636] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] <... openat resumed>) = 3 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 8636] <... symlink resumed>) = 0 [pid 4997] fstat(3, [pid 4998] close(4 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8636] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4998] <... close resumed>) = 0 [pid 4997] getdents64(3, [pid 4998] rmdir("./195/bus" [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4997] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... rmdir resumed>) = 0 [pid 8636] <... mmap resumed>) = 0x7f6a589d5000 [pid 4998] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./195/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./195" [pid 8636] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] <... rmdir resumed>) = 0 [pid 4998] mkdir("./196", 0777 [pid 8636] <... mprotect resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8636] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8636] <... clone resumed>, parent_tid=[8637], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8637 [pid 8636] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] close(3./strace-static-x86_64: Process 8637 attached [pid 8636] <... futex resumed>) = 0 [pid 5000] rmdir("./196/bus" [pid 8636] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8637] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8637] memfd_create("syzkaller", 0 [pid 5000] <... rmdir resumed>) = 0 [pid 8637] <... memfd_create resumed>) = 3 [pid 8637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 5000] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./196/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./196" [pid 4998] <... close resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] mkdir("./197", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 8638 attached [pid 8638] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8638] chdir("./196") = 0 [pid 8638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8638] setpgid(0, 0) = 0 [pid 8638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] close(3 [pid 4998] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8638 [pid 5000] <... close resumed>) = 0 [pid 8638] <... openat resumed>) = 3 [pid 8638] write(3, "1000", 4) = 4 [pid 8638] close(3) = 0 [pid 8638] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8638] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8638] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8638] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8639], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8639 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8638] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8640 attached [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8640 [pid 8640] set_robust_list(0x5555564f86e0, 24 [pid 8638] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8640] <... set_robust_list resumed>) = 0 [pid 8640] chdir("./197") = 0 [pid 8640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8640] setpgid(0, 0) = 0 [pid 8640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8640] write(3, "1000", 4) = 4 [pid 8640] close(3) = 0 [pid 8640] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8640] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8640] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8640] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8641], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8641 [pid 8640] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8640] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8641 attached ./strace-static-x86_64: Process 8639 attached [pid 4997] <... umount2 resumed>) = 0 [pid 8641] set_robust_list(0x7f6a589f59e0, 24 [pid 8639] set_robust_list(0x7f6a589f59e0, 24 [pid 8641] <... set_robust_list resumed>) = 0 [pid 8639] <... set_robust_list resumed>) = 0 [pid 4997] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8641] memfd_create("syzkaller", 0 [pid 8639] memfd_create("syzkaller", 0 [pid 8641] <... memfd_create resumed>) = 3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8639] <... memfd_create resumed>) = 3 [pid 8641] <... mmap resumed>) = 0x7f6a505d5000 [pid 8639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4997] lstat("./194/bus", [pid 8639] <... mmap resumed>) = 0x7f6a505d5000 [pid 8637] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4997] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./194/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./194/bus") = 0 [pid 4997] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./194/binderfs") = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4997] close(3) = 0 [pid 4997] rmdir("./194") = 0 [pid 4997] mkdir("./195", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8642 ./strace-static-x86_64: Process 8642 attached [pid 8642] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8642] chdir("./195") = 0 [pid 8642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8642] setpgid(0, 0) = 0 [pid 8641] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8642] write(3, "1000", 4) = 4 [pid 8642] close(3) = 0 [pid 8642] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8642] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8642] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8642] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8643], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8643 [pid 8642] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8642] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8639] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8637] <... write resumed>) = 4194304 [pid 8637] munmap(0x7f6a505d5000, 4194304./strace-static-x86_64: Process 8643 attached [pid 8643] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8637] <... munmap resumed>) = 0 [pid 8643] memfd_create("syzkaller", 0 [pid 8637] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8637] ioctl(4, LOOP_SET_FD, 3 [pid 8643] <... memfd_create resumed>) = 3 [pid 8643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 8637] <... ioctl resumed>) = 0 [pid 8637] close(3) = 0 [pid 8637] mkdir("./bus", 0777) = 0 [pid 8637] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8641] <... write resumed>) = 4194304 [ 225.264683][ T8637] loop4: detected capacity change from 0 to 8192 [ 225.288351][ T8637] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.302173][ T8637] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8641] munmap(0x7f6a505d5000, 4194304 [pid 8643] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8641] <... munmap resumed>) = 0 [pid 8639] <... write resumed>) = 4194304 [pid 8641] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8641] ioctl(4, LOOP_SET_FD, 3 [pid 8639] munmap(0x7f6a505d5000, 4194304 [pid 8641] <... ioctl resumed>) = 0 [pid 8641] close(3) = 0 [pid 8641] mkdir("./bus", 0777) = 0 [pid 8641] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8639] <... munmap resumed>) = 0 [pid 8639] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8639] ioctl(4, LOOP_SET_FD, 3 [pid 8643] <... write resumed>) = 4194304 [pid 8643] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8643] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 225.312121][ T8637] REISERFS (device loop4): using ordered data mode [ 225.319147][ T8641] loop3: detected capacity change from 0 to 8192 [ 225.319641][ T8637] reiserfs: using flush barriers [ 225.332153][ T8637] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.352182][ T8637] REISERFS (device loop4): checking transaction log (loop4) [pid 8643] ioctl(4, LOOP_SET_FD, 3 [pid 8639] <... ioctl resumed>) = 0 [pid 8643] <... ioctl resumed>) = 0 [pid 8643] close(3) = 0 [pid 8643] mkdir("./bus", 0777) = 0 [pid 8643] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8639] close(3) = 0 [ 225.358244][ T8639] loop1: detected capacity change from 0 to 8192 [ 225.365737][ T8643] loop0: detected capacity change from 0 to 8192 [ 225.366278][ T8641] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.376335][ T8637] REISERFS (device loop4): Using r5 hash to sort names [ 225.385803][ T8641] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 225.392963][ T8637] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8639] mkdir("./bus", 0777) = 0 [ 225.401711][ T8641] REISERFS (device loop3): using ordered data mode [ 225.414529][ T8643] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.420719][ T8641] reiserfs: using flush barriers [ 225.433979][ T8637] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 225.438579][ T8643] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 8639] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8637] <... mount resumed>) = 0 [pid 8637] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8637] chdir("./bus") = 0 [pid 8637] ioctl(4, LOOP_CLR_FD) = 0 [ 225.451460][ T8641] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.457077][ T8643] REISERFS (device loop0): using ordered data mode [ 225.479367][ T8643] reiserfs: using flush barriers [ 225.485313][ T8643] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8637] close(4) = 0 [pid 8637] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] <... futex resumed>) = 0 [pid 8636] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8636] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8637] <... futex resumed>) = 1 [pid 8637] mkdir("./file1", 000) = 0 [pid 8637] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] <... futex resumed>) = 0 [pid 8636] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8636] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8637] <... futex resumed>) = 1 [pid 8637] mkdir("./bus", 000) = 0 [pid 8637] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] <... futex resumed>) = 0 [pid 8636] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8637] <... futex resumed>) = 1 [pid 8636] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 225.491796][ T8639] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.501819][ T8643] REISERFS (device loop0): checking transaction log (loop0) [ 225.536571][ T8643] REISERFS (device loop0): Using r5 hash to sort names [ 225.544512][ T8643] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 225.551680][ T8637] overlayfs: upper fs needs to support d_type. [pid 8637] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8643] <... mount resumed>) = 0 [pid 8643] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8643] chdir("./bus") = 0 [pid 8637] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8636] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8643] ioctl(4, LOOP_CLR_FD [pid 8637] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] <... futex resumed>) = 0 [pid 8643] <... ioctl resumed>) = 0 [pid 8637] <... futex resumed>) = 0 [pid 8636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 225.557313][ T8643] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 225.564845][ T8637] overlayfs: upper fs does not support tmpfile. [ 225.573315][ T8641] REISERFS (device loop3): checking transaction log (loop3) [ 225.579466][ T8637] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 225.588060][ T8641] REISERFS (device loop3): Using r5 hash to sort names [ 225.594884][ T8637] overlayfs: failed to resolve './file0': -2 [ 225.607504][ T8639] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8643] close(4 [pid 8637] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8636] <... mmap resumed>) = 0x7f6a509b4000 [pid 8643] <... close resumed>) = 0 [pid 8636] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE [pid 8643] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] <... mprotect resumed>) = 0 [pid 8643] <... futex resumed>) = 1 [pid 8642] <... futex resumed>) = 0 [pid 8636] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8643] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8642] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8642] <... futex resumed>) = 0 [pid 8643] mkdir("./file1", 000 [pid 8642] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8636] <... clone resumed>, parent_tid=[8648], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8648 [pid 8643] <... mkdir resumed>) = 0 [pid 8636] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8643] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] <... futex resumed>) = 0 [pid 8643] <... futex resumed>) = 1 [ 225.617249][ T8639] REISERFS (device loop1): using ordered data mode [ 225.623793][ T8639] reiserfs: using flush barriers [ 225.629942][ T8641] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 225.636942][ T8639] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8642] <... futex resumed>) = 0 [pid 8636] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8648 attached [pid 8643] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8642] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8641] <... mount resumed>) = 0 [pid 8643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8642] <... futex resumed>) = 0 [pid 8643] mkdir("./bus", 000 [pid 8642] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8643] <... mkdir resumed>) = 0 [pid 8643] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8648] set_robust_list(0x7f6a509d49e0, 24 [pid 8643] <... futex resumed>) = 1 [pid 8642] <... futex resumed>) = 0 [pid 8641] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8648] <... set_robust_list resumed>) = 0 [pid 8643] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8642] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8641] <... openat resumed>) = 3 [pid 8643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8642] <... futex resumed>) = 0 [pid 8643] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8642] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8648] mkdir(".", 0777 [pid 8641] chdir("./bus" [pid 8648] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8641] <... chdir resumed>) = 0 [ 225.642890][ T8641] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 225.669075][ T8639] REISERFS (device loop1): checking transaction log (loop1) [ 225.678401][ T8639] REISERFS (device loop1): Using r5 hash to sort names [ 225.681407][ T8643] overlayfs: upper fs needs to support d_type. [ 225.685733][ T8639] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 225.693274][ T8643] overlayfs: upper fs does not support tmpfile. [pid 8648] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8641] ioctl(4, LOOP_CLR_FD [pid 8639] <... mount resumed>) = 0 [pid 8641] <... ioctl resumed>) = 0 [pid 8639] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8641] close(4) = 0 [pid 8639] chdir("./bus" [pid 8641] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8640] <... futex resumed>) = 0 [pid 8639] <... chdir resumed>) = 0 [pid 8640] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8640] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8642] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8642] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8642] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8642] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8649], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8649 [pid 8642] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8642] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8641] mkdir("./file1", 000 [pid 8639] ioctl(4, LOOP_CLR_FD) = 0 [pid 8641] <... mkdir resumed>) = 0 [pid 8639] close(4 [pid 8641] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8648] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8641] <... futex resumed>) = 1 [pid 8640] <... futex resumed>) = 0 [pid 8639] <... close resumed>) = 0 [pid 8648] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8641] mkdir("./bus", 000 [pid 8640] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8639] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8640] <... futex resumed>) = 0 [pid 8640] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8641] <... mkdir resumed>) = 0 [pid 8639] <... futex resumed>) = 1 [pid 8638] <... futex resumed>) = 0 [pid 8641] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8639] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8638] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8648] <... futex resumed>) = 1 [pid 8641] <... futex resumed>) = 1 [pid 8640] <... futex resumed>) = 0 [pid 8639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8638] <... futex resumed>) = 0 [pid 8636] <... futex resumed>) = 0 [pid 8648] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8641] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8640] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] exit_group(0 [pid 8640] <... futex resumed>) = 0 [pid 8637] <... futex resumed>) = ? [pid 8636] <... exit_group resumed>) = ? [pid 8640] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8637] +++ exited with 0 +++ [pid 8639] mkdir("./file1", 000 [pid 8638] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8648] <... futex resumed>) = ? [pid 8641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8641] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,"./strace-static-x86_64: Process 8649 attached [pid 8649] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8649] mkdir(".", 0777) = -1 EEXIST (File exists) [ 225.704581][ T8639] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 225.712342][ T8643] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 225.731613][ T8648] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 225.750085][ T8643] overlayfs: failed to resolve './file0': -2 [ 225.758061][ T8641] overlayfs: upper fs needs to support d_type. [pid 8649] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8648] +++ exited with 0 +++ [pid 8639] <... mkdir resumed>) = 0 [pid 8636] +++ exited with 0 +++ [pid 8639] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8636, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8639] <... futex resumed>) = 1 [pid 8638] <... futex resumed>) = 0 [pid 5001] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8639] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8638] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8638] <... futex resumed>) = 0 [pid 8639] mkdir("./bus", 000 [pid 8638] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8639] <... mkdir resumed>) = 0 [pid 8639] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8638] <... futex resumed>) = 0 [pid 8639] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8638] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8638] <... futex resumed>) = 0 [pid 8639] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8638] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8640] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8640] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8640] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8640] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8650], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8650 [pid 8640] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8640] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8650 attached [pid 8643] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8643] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 225.766196][ T8641] overlayfs: upper fs does not support tmpfile. [ 225.773267][ T8641] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 225.781552][ T8641] overlayfs: failed to resolve './file0': -2 [ 225.794695][ T8649] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 225.795054][ T8639] overlayfs: upper fs needs to support d_type. [pid 8643] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8649] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8649] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8642] <... futex resumed>) = 0 [pid 8642] exit_group(0 [pid 8643] <... futex resumed>) = ? [pid 8642] <... exit_group resumed>) = ? [pid 8650] set_robust_list(0x7f6a509d49e0, 24 [pid 8643] +++ exited with 0 +++ [pid 8641] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8650] <... set_robust_list resumed>) = 0 [pid 8641] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8650] mkdir(".", 0777 [pid 8641] <... futex resumed>) = 0 [pid 8650] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8641] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8650] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8649] <... futex resumed>) = ? [pid 8649] +++ exited with 0 +++ [pid 8642] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8642, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 4997] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4997] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 4997] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8650] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8638] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8638] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8638] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8651], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8651 [pid 8638] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8638] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8650] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8650] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8651 attached [pid 8651] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8651] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8640] <... futex resumed>) = 0 [pid 8640] exit_group(0 [pid 8651] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8641] <... futex resumed>) = ? [pid 8640] <... exit_group resumed>) = ? [pid 8641] +++ exited with 0 +++ [pid 8650] <... futex resumed>) = ? [pid 8650] +++ exited with 0 +++ [pid 8640] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8640, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8639] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8639] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 225.816727][ T8639] overlayfs: upper fs does not support tmpfile. [ 225.825438][ T8639] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 225.836455][ T8650] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 225.845478][ T8639] overlayfs: failed to resolve './file0': -2 [pid 8639] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... umount2 resumed>) = 0 [pid 4997] <... umount2 resumed>) = 0 [pid 5001] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./195/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./195/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./195/bus") = 0 [pid 5001] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./195/binderfs") = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./195") = 0 [pid 5001] mkdir("./196", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8652 [pid 4997] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./195/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./195/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ./strace-static-x86_64: Process 8652 attached [pid 8651] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 4997] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(4, [pid 8652] set_robust_list(0x5555564f86e0, 24 [pid 4997] <... getdents64 resumed>0x555556501760 /* 2 entries */, 32768) = 48 [pid 8652] <... set_robust_list resumed>) = 0 [pid 4997] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4997] close(4) = 0 [pid 4997] rmdir("./195/bus" [pid 8652] chdir("./196" [pid 4997] <... rmdir resumed>) = 0 [pid 8652] <... chdir resumed>) = 0 [pid 8651] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4997] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./195/binderfs" [pid 8652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8651] <... futex resumed>) = 1 [pid 8638] <... futex resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 4997] getdents64(3, [pid 8638] exit_group(0 [pid 8652] <... prctl resumed>) = 0 [pid 8639] <... futex resumed>) = ? [pid 8638] <... exit_group resumed>) = ? [pid 4997] <... getdents64 resumed>0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 8652] setpgid(0, 0 [pid 8639] +++ exited with 0 +++ [pid 4997] close(3) = 0 [pid 8652] <... setpgid resumed>) = 0 [pid 4997] rmdir("./195") = 0 [pid 4997] mkdir("./196", 0777 [pid 8652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4997] <... mkdir resumed>) = 0 [pid 8652] write(3, "1000", 4) = 4 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8652] close(3) = 0 [pid 4997] <... openat resumed>) = 3 [pid 8652] symlink("/dev/binderfs", "./binderfs" [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 8652] <... symlink resumed>) = 0 [pid 8651] +++ exited with 0 +++ [pid 8638] +++ exited with 0 +++ [pid 5000] <... umount2 resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 8652] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8638, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8652] <... futex resumed>) = 0 [pid 8652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [ 225.899735][ T8651] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 4998] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8652] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 4998] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8652] <... mprotect resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 8652] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(3, [pid 8652] <... clone resumed>, parent_tid=[8653], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8653 [pid 4998] <... getdents64 resumed>0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 8652] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4998] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8652] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8653 attached [pid 8653] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 5000] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8654 attached ) = -1 EINVAL (Invalid argument) [pid 4997] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8654 [pid 8654] set_robust_list(0x5555564f86e0, 24 [pid 8653] memfd_create("syzkaller", 0 [pid 5000] lstat("./197/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./197/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, [pid 8654] <... set_robust_list resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./197/bus" [pid 8654] chdir("./196" [pid 5000] <... rmdir resumed>) = 0 [pid 8654] <... chdir resumed>) = 0 [pid 5000] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./197/binderfs", [pid 8654] <... prctl resumed>) = 0 [pid 8654] setpgid(0, 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8654] <... setpgid resumed>) = 0 [pid 5000] unlink("./197/binderfs") = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./197") = 0 [pid 5000] mkdir("./198", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... openat resumed>) = 3 [pid 8654] <... openat resumed>) = 3 [pid 8653] <... memfd_create resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 8654] write(3, "1000", 4 [pid 8653] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8654] <... write resumed>) = 4 [pid 8653] <... mmap resumed>) = 0x7f6a505d5000 [pid 5000] close(3 [pid 8654] close(3 [pid 5000] <... close resumed>) = 0 [pid 8654] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8654] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... clone resumed>, child_tidptr=0x5555564f86d0) = 8655 [pid 8654] <... symlink resumed>) = 0 [pid 8654] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8654] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8654] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8656], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8656 [pid 8654] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8654] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8655 attached [pid 8655] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8655] chdir("./198") = 0 [pid 8655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8655] setpgid(0, 0) = 0 [pid 8655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8655] write(3, "1000", 4) = 4 [pid 8655] close(3) = 0 [pid 8655] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 8656 attached ) = 0 [pid 8656] set_robust_list(0x7f6a589f59e0, 24 [pid 8655] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8656] <... set_robust_list resumed>) = 0 [pid 8655] <... futex resumed>) = 0 [pid 8655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8656] memfd_create("syzkaller", 0 [pid 8655] <... mmap resumed>) = 0x7f6a589d5000 [pid 8655] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8656] <... memfd_create resumed>) = 3 [pid 8655] <... mprotect resumed>) = 0 [pid 8656] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8655] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8657 attached [pid 8656] <... mmap resumed>) = 0x7f6a505d5000 [pid 4998] <... umount2 resumed>) = 0 [pid 8657] set_robust_list(0x7f6a589f59e0, 24 [pid 8655] <... clone resumed>, parent_tid=[8657], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8657 [pid 8653] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8657] <... set_robust_list resumed>) = 0 [pid 8655] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 4998] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8657] memfd_create("syzkaller", 0 [pid 8655] <... futex resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8657] <... memfd_create resumed>) = 3 [pid 8655] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4998] lstat("./196/bus", [pid 8657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6a505d5000 [pid 4998] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8656] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./196/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4998] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] getdents64(4, 0x555556501760 /* 2 entries */, 32768) = 48 [pid 4998] getdents64(4, 0x555556501760 /* 0 entries */, 32768) = 0 [pid 4998] close(4) = 0 [pid 4998] rmdir("./196/bus") = 0 [pid 4998] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./196/binderfs") = 0 [pid 4998] getdents64(3, 0x5555564f9720 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./196") = 0 [pid 4998] mkdir("./197", 0777) = 0 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 8657] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f86d0) = 8658 ./strace-static-x86_64: Process 8658 attached [pid 8658] set_robust_list(0x5555564f86e0, 24) = 0 [pid 8658] chdir("./197") = 0 [pid 8656] <... write resumed>) = 4194304 [pid 8653] <... write resumed>) = 4194304 [pid 8656] munmap(0x7f6a505d5000, 4194304 [pid 8653] munmap(0x7f6a505d5000, 4194304 [pid 8658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8658] setpgid(0, 0 [pid 8656] <... munmap resumed>) = 0 [pid 8658] <... setpgid resumed>) = 0 [pid 8658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8653] <... munmap resumed>) = 0 [pid 8656] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8653] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8656] <... openat resumed>) = 4 [pid 8653] <... openat resumed>) = 4 [pid 8656] ioctl(4, LOOP_SET_FD, 3 [pid 8653] ioctl(4, LOOP_SET_FD, 3 [pid 8658] <... openat resumed>) = 3 [pid 8658] write(3, "1000", 4) = 4 [pid 8658] close(3) = 0 [pid 8658] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8658] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a589d5000 [pid 8658] mprotect(0x7f6a589d6000, 131072, PROT_READ|PROT_WRITE [pid 8656] <... ioctl resumed>) = 0 [pid 8658] <... mprotect resumed>) = 0 [pid 8658] clone(child_stack=0x7f6a589f52f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8659], tls=0x7f6a589f5700, child_tidptr=0x7f6a589f59d0) = 8659 [pid 8658] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8658] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8659 attached [pid 8659] set_robust_list(0x7f6a589f59e0, 24) = 0 [pid 8659] memfd_create("syzkaller", 0) = 3 [pid 8659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8653] <... ioctl resumed>) = 0 [pid 8653] close(3 [pid 8656] close(3 [pid 8653] <... close resumed>) = 0 [pid 8657] <... write resumed>) = 4194304 [pid 8659] <... mmap resumed>) = 0x7f6a505d5000 [pid 8656] <... close resumed>) = 0 [pid 8657] munmap(0x7f6a505d5000, 4194304 [ 226.097360][ T28] INFO: task kworker/u4:5:2412 blocked for more than 143 seconds. [ 226.105409][ T28] Not tainted 6.3.0-syzkaller-12378-gc8c655c34e33 #0 [ 226.118883][ T8656] loop0: detected capacity change from 0 to 8192 [ 226.125536][ T8653] loop4: detected capacity change from 0 to 8192 [ 226.133791][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [pid 8653] mkdir("./bus", 0777 [pid 8656] mkdir("./bus", 0777 [pid 8657] <... munmap resumed>) = 0 [pid 8653] <... mkdir resumed>) = 0 [pid 8656] <... mkdir resumed>) = 0 [pid 8653] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8657] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8656] mount("/dev/loop0", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8657] <... openat resumed>) = 4 [pid 8657] ioctl(4, LOOP_SET_FD, 3 [pid 8659] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8657] <... ioctl resumed>) = 0 [ 226.142958][ T28] task:kworker/u4:5 state:D stack:23832 pid:2412 ppid:2 flags:0x00004000 [ 226.154823][ T28] Workqueue: writeback wb_workfn (flush-7:5) [ 226.162777][ T8657] loop3: detected capacity change from 0 to 8192 [ 226.169864][ T8653] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.183326][ T8656] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8657] close(3) = 0 [pid 8659] <... write resumed>) = 4194304 [pid 8659] munmap(0x7f6a505d5000, 4194304) = 0 [pid 8659] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8657] mkdir("./bus", 0777 [pid 8659] ioctl(4, LOOP_SET_FD, 3 [pid 8657] <... mkdir resumed>) = 0 [pid 8657] mount("/dev/loop3", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8659] <... ioctl resumed>) = 0 [pid 8659] close(3) = 0 [pid 8659] mkdir("./bus", 0777) = 0 [ 226.196479][ T28] Call Trace: [ 226.199896][ T8653] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 226.205686][ T8656] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 226.209186][ T28] [ 226.220440][ T8659] loop1: detected capacity change from 0 to 8192 [ 226.221760][ T28] __schedule+0xc9a/0x5880 [ 226.228858][ T8653] REISERFS (device loop4): using ordered data mode [ 226.232056][ T28] ? blk_mq_flush_plug_list+0x673/0x1cd0 [ 226.243906][ T8656] REISERFS (device loop0): using ordered data mode [ 226.244969][ T28] ? io_schedule_timeout+0x150/0x150 [ 226.251522][ T8653] reiserfs: using flush barriers [ 226.255974][ T28] ? blk_mq_requeue_work+0x840/0x840 [ 226.261948][ T8656] reiserfs: using flush barriers [ 226.266596][ T8657] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.273994][ T28] schedule+0xde/0x1a0 [ 226.288550][ T8653] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.288841][ T8653] REISERFS (device loop4): checking transaction log (loop4) [ 226.304966][ T8659] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.312055][ T8656] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.325591][ T8657] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 226.350466][ T8659] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 226.351272][ T8657] REISERFS (device loop3): using ordered data mode [ 226.360444][ T8653] REISERFS (device loop4): Using r5 hash to sort names [ 226.366682][ T8657] reiserfs: using flush barriers [ 226.373133][ T28] queue_log_writer+0x293/0x2f0 [ 226.380270][ T8656] REISERFS (device loop0): checking transaction log (loop0) [ 226.383003][ T8659] REISERFS (device loop1): using ordered data mode [ 226.390840][ T8657] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.396719][ T28] ? free_cnode+0x1e0/0x1e0 [ 226.414002][ T8657] REISERFS (device loop3): checking transaction log (loop3) [ 226.417698][ T8653] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.425738][ T8659] reiserfs: using flush barriers [ 226.438009][ T28] ? wake_up_state+0x10/0x10 [pid 8659] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8653] <... mount resumed>) = 0 [pid 8653] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8653] chdir("./bus") = 0 [pid 8653] ioctl(4, LOOP_CLR_FD) = 0 [pid 8653] close(4) = 0 [pid 8653] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8652] <... futex resumed>) = 0 [pid 8652] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8652] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8653] <... futex resumed>) = 1 [pid 8653] mkdir("./file1", 000) = 0 [pid 8653] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8652] <... futex resumed>) = 0 [pid 8652] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8652] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8653] <... futex resumed>) = 1 [pid 8653] mkdir("./bus", 000) = 0 [pid 8653] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8652] <... futex resumed>) = 0 [pid 8652] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8652] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8653] <... futex resumed>) = 1 [ 226.443827][ T8653] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 226.447032][ T8656] REISERFS (device loop0): Using r5 hash to sort names [ 226.456391][ T8659] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.463285][ T28] do_journal_begin_r+0x988/0x10e0 [pid 8653] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8656] <... mount resumed>) = 0 [pid 8652] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 226.493771][ T8659] REISERFS (device loop1): checking transaction log (loop1) [ 226.501594][ T8657] REISERFS (device loop3): Using r5 hash to sort names [ 226.507723][ T8656] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.508686][ T8653] overlayfs: upper fs needs to support d_type. [ 226.527333][ T8656] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 226.527823][ T8657] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8652] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8652] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8652] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8664], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8664 [pid 8652] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8652] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8656] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8656] chdir("./bus"./strace-static-x86_64: Process 8664 attached ) = 0 [pid 8664] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8656] ioctl(4, LOOP_CLR_FD [pid 8664] mkdir(".", 0777 [pid 8656] <... ioctl resumed>) = 0 [pid 8664] <... mkdir resumed>) = -1 EEXIST (File exists) [ 226.536785][ T28] ? do_journal_end+0x4af0/0x4af0 [ 226.555079][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 226.555945][ T8659] REISERFS (device loop1): Using r5 hash to sort names [ 226.561797][ T28] journal_begin+0x166/0x400 [ 226.569431][ T8653] overlayfs: upper fs does not support tmpfile. [ 226.573527][ T28] reiserfs_write_inode+0x1f4/0x2d0 [ 226.580306][ T8659] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8656] close(4 [pid 8664] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8656] <... close resumed>) = 0 [pid 8656] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8654] <... futex resumed>) = 0 [pid 8656] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8654] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8654] <... futex resumed>) = 0 [pid 8656] mkdir("./file1", 000 [pid 8654] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8656] <... mkdir resumed>) = 0 [pid 8656] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8654] <... futex resumed>) = 0 [pid 8654] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8656] mkdir("./bus", 000 [pid 8654] <... futex resumed>) = 0 [pid 8656] <... mkdir resumed>) = 0 [pid 8654] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8656] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8657] <... mount resumed>) = 0 [pid 8657] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8657] chdir("./bus") = 0 [pid 8657] ioctl(4, LOOP_CLR_FD) = 0 [pid 8657] close(4) = 0 [pid 8657] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8655] <... futex resumed>) = 0 [pid 8655] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8655] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8657] <... futex resumed>) = 1 [pid 8657] mkdir("./file1", 000) = 0 [pid 8656] <... futex resumed>) = 1 [pid 8654] <... futex resumed>) = 0 [pid 8656] futex(0x7f6a58ad0768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8654] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8654] <... futex resumed>) = 0 [pid 8656] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8654] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8657] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8655] <... futex resumed>) = 0 [pid 8655] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 226.585030][ T28] ? reiserfs_encode_fh+0x5e0/0x5e0 [ 226.598292][ T8657] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 226.611329][ T28] ? spin_bug+0x1c0/0x1c0 [ 226.613050][ T8653] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 226.626218][ T8664] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 226.635351][ T8659] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8655] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8657] <... futex resumed>) = 1 [pid 8657] mkdir("./bus", 000) = 0 [pid 8657] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8655] <... futex resumed>) = 0 [pid 8655] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8655] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8657] <... futex resumed>) = 1 [pid 8657] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8659] <... mount resumed>) = 0 [pid 8659] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8659] chdir("./bus") = 0 [pid 8659] ioctl(4, LOOP_CLR_FD) = 0 [pid 8659] close(4) = 0 [pid 8659] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8658] <... futex resumed>) = 0 [pid 8658] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8658] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8659] <... futex resumed>) = 1 [pid 8659] mkdir("./file1", 000) = 0 [pid 8659] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8658] <... futex resumed>) = 0 [pid 8658] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8658] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8659] <... futex resumed>) = 1 [pid 8659] mkdir("./bus", 000) = 0 [pid 8659] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8658] <... futex resumed>) = 0 [pid 8658] futex(0x7f6a58ad0768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8658] futex(0x7f6a58ad076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8659] <... futex resumed>) = 1 [pid 8659] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8664] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8664] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8652] <... futex resumed>) = 0 [pid 8664] <... futex resumed>) = 1 [ 226.652540][ T8656] overlayfs: upper fs needs to support d_type. [ 226.660057][ T8657] overlayfs: upper fs needs to support d_type. [ 226.666070][ T28] __writeback_single_inode+0x9f2/0xdb0 [ 226.666270][ T8657] overlayfs: upper fs does not support tmpfile. [ 226.677206][ T8656] overlayfs: upper fs does not support tmpfile. [ 226.685127][ T8656] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 226.693355][ T8659] overlayfs: upper fs needs to support d_type. [pid 8664] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8655] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8655] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8655] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8655] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8665], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8665 [pid 8655] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8655] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8654] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8654] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8654] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8654] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8666], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8666 ./strace-static-x86_64: Process 8665 attached [pid 8654] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8654] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8665] set_robust_list(0x7f6a509d49e0, 24) = 0 [pid 8665] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8665] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8666 attached [pid 8658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 226.693738][ T28] writeback_sb_inodes+0x54d/0xe70 [ 226.702408][ T8659] overlayfs: upper fs does not support tmpfile. [ 226.705915][ T8653] overlayfs: failed to resolve './file0': -2 [ 226.716791][ T8657] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 226.730839][ T8656] overlayfs: failed to resolve './file0': -2 [ 226.737721][ T8665] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8658] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a509b4000 [pid 8658] mprotect(0x7f6a509b5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8658] clone(child_stack=0x7f6a509d42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8667], tls=0x7f6a509d4700, child_tidptr=0x7f6a509d49d0) = 8667 ./strace-static-x86_64: Process 8667 attached [pid 8666] set_robust_list(0x7f6a509d49e0, 24 [pid 8658] futex(0x7f6a58ad0778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8658] futex(0x7f6a58ad077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8667] set_robust_list(0x7f6a509d49e0, 24 [pid 8666] <... set_robust_list resumed>) = 0 [pid 8667] <... set_robust_list resumed>) = 0 [pid 8666] mkdir(".", 0777 [pid 8667] mkdir(".", 0777 [pid 8666] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8667] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8666] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 226.742894][ T28] ? sync_inode_metadata+0xe0/0xe0 [ 226.758520][ T28] ? rcu_is_watching+0x12/0xb0 [ 226.763545][ T28] ? queue_io+0x386/0x4e0 [ 226.775393][ T8667] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 226.784145][ T8657] overlayfs: failed to resolve './file0': -2 [ 226.790793][ T28] wb_writeback+0x294/0xa50 [pid 8667] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 8666] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8665] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8665] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8655] <... futex resumed>) = 0 [pid 8665] <... futex resumed>) = 1 [pid 8665] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8667] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8666] futex(0x7f6a58ad077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8667] <... futex resumed>) = 1 [pid 8658] <... futex resumed>) = 0 [pid 8667] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8666] <... futex resumed>) = 1 [pid 8654] <... futex resumed>) = 0 [ 226.800912][ T8666] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 226.815999][ T28] ? __writeback_inodes_wb+0x280/0x280 [ 226.816423][ T8659] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 226.821688][ T28] ? lock_downgrade+0x690/0x690 [ 226.833777][ T28] ? mark_held_locks+0x9f/0xe0 [ 226.838991][ T28] ? _raw_spin_unlock_irq+0x23/0x50 [ 226.844548][ T28] wb_workfn+0x2a5/0xfc0 [ 226.852528][ T8659] overlayfs: failed to resolve './file0': -2 [ 226.857697][ T28] ? inode_wait_for_writeback+0x40/0x40 [ 226.864174][ T28] ? lock_sync+0x190/0x190 [ 226.868696][ T28] ? lock_downgrade+0x690/0x690 [ 226.873594][ T28] ? _raw_spin_unlock_irq+0x23/0x50 [ 226.878903][ T28] process_one_work+0x99a/0x15e0 [ 226.883972][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 226.889543][ T28] ? spin_bug+0x1c0/0x1c0 [ 226.893913][ T28] ? _raw_spin_lock_irq+0x45/0x50 [ 226.899090][ T28] worker_thread+0x67d/0x10c0 [pid 8666] futex(0x7f6a58ad0778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8653] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8653] futex(0x7f6a58ad076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8652] exit_group(0) = ? [pid 8664] <... futex resumed>) = ? [pid 8653] <... futex resumed>) = ? [ 226.903849][ T28] ? process_one_work+0x15e0/0x15e0 [ 226.909230][ T28] kthread+0x344/0x440 [ 226.913323][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 226.919033][ T28] ret_from_fork+0x1f/0x30 [ 226.923536][ T28] [ 226.926686][ T28] INFO: task syz-executor302:5808 blocked for more than 144 seconds. [ 226.935098][ T28] Not tainted 6.3.0-syzkaller-12378-gc8c655c34e33 #0 [ 226.943412][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [pid 8664] +++ exited with 0 +++ [pid 8653] +++ exited with 0 +++ [pid 8652] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8652, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5001] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8655] exit_group(0) = ? [pid 8665] <... futex resumed>) = ? [pid 8665] +++ exited with 0 +++ [pid 8658] exit_group(0 [pid 8667] <... futex resumed>) = ? [pid 8658] <... exit_group resumed>) = ? [pid 8667] +++ exited with 0 +++ [pid 8654] exit_group(0 [ 226.952520][ T28] task:syz-executor302 state:D stack:24728 pid:5808 ppid:5003 flags:0x00004006 [ 226.963711][ T28] Call Trace: [ 226.967650][ T28] [ 226.970864][ T28] __schedule+0xc9a/0x5880 [ 226.975335][ T28] ? io_schedule_timeout+0x150/0x150 [ 226.980904][ T28] ? find_held_lock+0x2d/0x110 [ 226.985708][ T28] ? lock_downgrade+0x690/0x690 [ 226.990683][ T28] schedule+0xde/0x1a0 [ 226.995086][ T28] bit_wait+0x16/0xe0 [ 226.999407][ T28] __wait_on_bit+0x64/0x180 [pid 8666] <... futex resumed>) = ? [pid 8654] <... exit_group resumed>) = ? [pid 8666] +++ exited with 0 +++ [ 227.004461][ T28] ? out_of_line_wait_on_bit_timeout+0x170/0x170 [ 227.011272][ T28] __inode_wait_for_writeback+0x153/0x1f0 [ 227.017246][ T28] ? wb_wakeup+0xd0/0xd0 [ 227.021536][ T28] ? cpuacct_css_alloc+0x160/0x160 [ 227.026659][ T28] ? spin_bug+0x1c0/0x1c0 [ 227.031176][ T28] ? do_raw_spin_unlock+0x175/0x230 [ 227.036594][ T28] inode_wait_for_writeback+0x26/0x40 [ 227.042082][ T28] evict+0x2b7/0x6b0 [ 227.046006][ T28] iput.part.0+0x50a/0x740 [ 227.050522][ T28] iput+0x5c/0x80 [ 227.054193][ T28] dentry_unlink_inode+0x2b1/0x460 [ 227.059465][ T28] d_delete+0x16f/0x1c0 [ 227.063644][ T28] xattr_unlink+0x139/0x190 [ 227.068249][ T28] reiserfs_xattr_set_handle+0x7bd/0xb00 [ 227.073969][ T28] ? reiserfs_chown_xattrs+0xa0/0xa0 [ 227.079344][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 227.085462][ T28] ? __lock_acquire+0x1916/0x5df0 [ 227.090635][ T28] reiserfs_xattr_set+0x454/0x5b0 [ 227.095706][ T28] ? reiserfs_xattr_set_handle+0xb00/0xb00 [ 227.101625][ T28] ? bpf_lsm_capable+0x9/0x10 [ 227.106318][ T28] ? security_capable+0x93/0xc0 [ 227.111274][ T28] ? trusted_list+0xb0/0xb0 [ 227.115798][ T28] trusted_set+0xa7/0xd0 [ 227.120122][ T28] __vfs_removexattr+0x155/0x1c0 [ 227.125100][ T28] ? __vfs_getxattr+0x1a0/0x1a0 [ 227.130081][ T28] ? evm_inode_removexattr+0x4a/0x60 [ 227.135495][ T28] __vfs_removexattr_locked+0x1b0/0x440 [ 227.141209][ T28] ? vfs_setxattr+0x21e/0x340 [ 227.145926][ T28] vfs_removexattr+0xcf/0x260 [ 227.150714][ T28] ? __vfs_setxattr_locked+0x260/0x260 [ 227.156307][ T28] ? __vfs_removexattr_locked+0x440/0x440 [ 227.162159][ T28] ? up_write+0x1b4/0x520 [ 227.166516][ T28] ? ovl_fill_super+0x6bb7/0x7270 [ 227.171641][ T28] ovl_fill_super+0x6ec5/0x7270 [ 227.176517][ T28] ? kfree+0x10e/0x150 [ 227.180653][ T28] ? ovl_show_options+0x780/0x780 [ 227.185699][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 227.191877][ T28] ? do_raw_spin_lock+0x124/0x2b0 [ 227.196929][ T28] ? spin_bug+0x1c0/0x1c0 [ 227.201366][ T28] ? sget+0x128/0x580 [ 227.205380][ T28] ? set_anon_super_fc+0xb0/0xb0 [ 227.210441][ T28] ? ovl_show_options+0x780/0x780 [ 227.215488][ T28] mount_nodev+0x64/0x120 [ 227.219913][ T28] ? ovl_own_xattr_set+0x10/0x10 [ 227.224873][ T28] legacy_get_tree+0x109/0x220 [ 227.229744][ T28] vfs_get_tree+0x8d/0x350 [ 227.234191][ T28] path_mount+0x134b/0x1e40 [ 227.238767][ T28] ? kmem_cache_free+0xe9/0x480 [ 227.243733][ T28] ? finish_automount+0x9b0/0x9b0 [ 227.248868][ T28] ? putname+0x102/0x140 [ 227.253137][ T28] __x64_sys_mount+0x283/0x300 [ 227.257985][ T28] ? copy_mnt_ns+0xb30/0xb30 [ 227.262610][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 227.267896][ T28] ? _raw_spin_unlock_irq+0x2e/0x50 [ 227.273126][ T28] ? ptrace_notify+0xfe/0x140 [ 227.277930][ T28] do_syscall_64+0x39/0xb0 [ 227.282378][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 227.288410][ T28] RIP: 0033:0x7f6a58a51f39 [ 227.292845][ T28] RSP: 002b:00007f6a589f5208 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 227.301566][ T28] RAX: ffffffffffffffda RBX: 00007f6a58ad0768 RCX: 00007f6a58a51f39 [ 227.309697][ T28] RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000 [ 227.317776][ T28] RBP: 00007f6a58ad0760 R08: 0000000020000480 R09: 0000000000000000 [ 227.325783][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6a58ad076c [ 227.333954][ T28] R13: 00007ffc3484baef R14: 00007f6a589f5300 R15: 0000000000022000 [ 227.342023][ T28] [ 227.345134][ T28] INFO: task syz-executor302:5819 blocked for more than 144 seconds. [pid 8659] <... mount resumed>) = ? [pid 8657] <... mount resumed>) = ? [pid 8656] <... mount resumed>) = ? [pid 8659] +++ exited with 0 +++ [pid 8658] +++ exited with 0 +++ [pid 8656] +++ exited with 0 +++ [pid 8654] +++ exited with 0 +++ [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8658, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 4998] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8657] +++ exited with 0 +++ [pid 8655] +++ exited with 0 +++ [pid 4998] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8655, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 4998] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [pid 5000] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8654, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 4997] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4997] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, 0x5555564f9720 /* 4 entries */, 32768) = 104 [ 227.353895][ T28] Not tainted 6.3.0-syzkaller-12378-gc8c655c34e33 #0 [ 227.365479][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 227.374917][ T28] task:syz-executor302 state:D stack:28496 pid:5819 ppid:5003 flags:0x00004004 [ 227.384233][ T28] Call Trace: [ 227.387543][ T28] [ 227.390474][ T28] __schedule+0xc9a/0x5880 [ 227.394883][ T28] ? find_held_lock+0x2d/0x110 [ 227.399712][ T28] ? io_schedule_timeout+0x150/0x150 [ 227.405028][ T28] ? mark_held_locks+0x9f/0xe0 [ 227.409846][ T28] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 227.415683][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 227.421725][ T28] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 227.427622][ T28] schedule+0xde/0x1a0 [ 227.431706][ T28] wb_wait_for_completion+0x182/0x240 [ 227.437084][ T28] ? wb_writeback+0xa50/0xa50 [ 227.441828][ T28] ? prepare_to_swait_exclusive+0x240/0x240 [ 227.447786][ T28] ? rwsem_down_write_slowpath+0x1220/0x1220 [ 227.453765][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 227.459883][ T28] ? I_BDEV+0xd/0x20 [ 227.463809][ T28] sync_inodes_sb+0x1aa/0xa60 [ 227.468566][ T28] ? try_to_writeback_inodes_sb+0xc0/0xc0 [ 227.474366][ T28] ? get_nr_dirty_inodes+0x60/0x1d0 [ 227.479648][ T28] sync_filesystem.part.0+0xe6/0x1d0 [ 227.485083][ T28] sync_filesystem+0x8f/0xc0 [ 227.490255][ T28] reiserfs_remount+0x129/0x1650 [ 227.495218][ T28] ? finish_unfinished.isra.0+0x1220/0x1220 [ 227.501190][ T28] ? __static_call_return0+0x9/0x10 [ 227.506408][ T28] ? list_lru_count_node+0x14/0x80 [ 227.511584][ T28] ? shrink_dcache_sb+0x1bf/0x360 [ 227.516672][ T28] ? shrink_dentry_list+0x4f0/0x4f0 [ 227.522027][ T28] ? finish_unfinished.isra.0+0x1220/0x1220 [ 227.528055][ T28] legacy_reconfigure+0x119/0x180 [ 227.533081][ T28] reconfigure_super+0x40c/0xa30 [ 227.538085][ T28] ? fs_umode_to_dtype+0xd0/0xd0 [ 227.543046][ T28] path_mount+0x1846/0x1e40 [ 227.547592][ T28] ? kmem_cache_free+0xe9/0x480 [ 227.552466][ T28] ? finish_automount+0x9b0/0x9b0 [ 227.557539][ T28] ? putname+0x102/0x140 [ 227.561790][ T28] __x64_sys_mount+0x283/0x300 [ 227.566541][ T28] ? copy_mnt_ns+0xb30/0xb30 [ 227.571164][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 227.576380][ T28] ? _raw_spin_unlock_irq+0x2e/0x50 [ 227.581626][ T28] ? ptrace_notify+0xfe/0x140 [ 227.586331][ T28] do_syscall_64+0x39/0xb0 [ 227.590840][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 227.596834][ T28] RIP: 0033:0x7f6a58a533fa [ 227.601287][ T28] RSP: 002b:00007f6a509d4028 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 227.609729][ T28] RAX: ffffffffffffffda RBX: 00007f6a509d46b8 RCX: 00007f6a58a533fa [ 227.617726][ T28] RDX: 00000000200001c0 RSI: 0000000020000100 RDI: 0000000000000000 [ 227.625710][ T28] RBP: 00000000ffffffff R08: 00007f6a509d40c0 R09: 0000000000000000 [ 227.633720][ T28] R10: 0000000001a484bc R11: 0000000000000286 R12: 00000000200001c0 [ 227.641733][ T28] R13: 0000000020000100 R14: 0000000000000000 R15: 00000000200004c0 [ 227.649793][ T28] [ 227.652909][ T28] [ 227.652909][ T28] Showing all locks held in the system: [ 227.660838][ T28] 1 lock held by rcu_tasks_kthre/13: [ 227.666191][ T28] #0: ffffffff8c798630 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 227.676828][ T28] 1 lock held by rcu_tasks_trace/14: [ 227.682683][ T28] #0: ffffffff8c798330 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 227.693778][ T28] 1 lock held by khungtaskd/28: [ 227.698689][ T28] #0: ffffffff8c799240 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 [ 227.708622][ T28] 2 locks held by kworker/u4:4/58: [ 227.713748][ T28] #0: ffff888141a53938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 [ 227.724518][ T28] #1: ffffc90001577db0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 [ 227.736446][ T28] 2 locks held by kworker/0:2/894: [ 227.741599][ T28] #0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 [ 227.752005][ T28] #1: ffffc90004cdfdb0 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 [ 227.763570][ T28] 2 locks held by kworker/u4:5/2412: [ 227.768872][ T28] #0: ffff888141a53938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 [ 227.779516][ T28] #1: ffffc9000a3a7db0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 [ 227.791419][ T28] 2 locks held by getty/4753: [ 227.796105][ T28] #0: ffff888027e54098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 [ 227.805891][ T28] #1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 [ 227.816038][ T28] 1 lock held by syz-executor302/4997: [ 227.821555][ T28] #0: ffff88802b0620e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: deactivate_super+0xa9/0xd0 [ 227.831800][ T28] 2 locks held by syz-executor302/4998: [ 227.837391][ T28] #0: ffff88806f9ce0e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: deactivate_super+0xa9/0xd0 [ 227.847632][ T28] #1: ffffffff8c7a46b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e8/0x770 [ 227.858568][ T28] 2 locks held by syz-executor302/5000: [ 227.864111][ T28] #0: ffff8880193da0e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: deactivate_super+0xa9/0xd0 [ 227.874589][ T28] #1: ffffffff8c7a46b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x64a/0x770 [ 227.885588][ T28] 1 lock held by syz-executor302/5001: [ 227.891080][ T28] #0: ffff88807704c0e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: deactivate_super+0xa9/0xd0 [ 227.901337][ T28] 4 locks held by syz-executor302/5808: [ 227.906878][ T28] #0: ffff88807a3400e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 [ 227.917019][ T28] #1: ffff888076d4e460 (sb_writers#10){.+.+}-{0:0}, at: ovl_fill_super+0x1c5e/0x7270 [ 227.926648][ T28] #2: ffff888073b1ece0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_removexattr+0xbb/0x260 [ 227.937164][ T28] #3: ffff888073adbe80 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: reiserfs_xattr_set_handle+0x72c/0xb00 [ 227.948858][ T28] 2 locks held by syz-executor302/5819: [ 227.954391][ T28] #0: ffff888076d4e0e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: path_mount+0x1401/0x1e40 [ 227.964462][ T28] #1: ffff88801ee6c7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0xa60 [ 227.974629][ T28] 4 locks held by syz-executor302/6995: [ 227.980342][ T28] #0: ffff88807dc2c0e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 [ 227.990521][ T28] #1: ffff88807c150460 (sb_writers#10){.+.+}-{0:0}, at: ovl_fill_super+0x1c5e/0x7270 [ 228.000136][ T28] #2: ffff8880739cc520 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_removexattr+0xbb/0x260 [ 228.010578][ T28] #3: ffff88807390d260 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: reiserfs_xattr_set_handle+0x72c/0xb00 [ 228.022978][ T28] 2 locks held by syz-executor302/7005: [ 228.028541][ T28] #0: ffff88807c1500e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: path_mount+0x1401/0x1e40 [ 228.038584][ T28] #1: ffff8881417e27d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0xa60 [ 228.048773][ T28] [ 228.051111][ T28] ============================================= [ 228.051111][ T28] [ 228.059869][ T28] NMI backtrace for cpu 1 [ 228.064208][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.3.0-syzkaller-12378-gc8c655c34e33 #0 [ 228.073668][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 228.083731][ T28] Call Trace: [ 228.087011][ T28] [ 228.089950][ T28] dump_stack_lvl+0xd9/0x150 [ 228.094572][ T28] nmi_cpu_backtrace+0x29c/0x350 [ 228.099533][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 228.104748][ T28] nmi_trigger_cpumask_backtrace+0x2a4/0x300 [ 228.110760][ T28] watchdog+0xe16/0x1090 [ 228.115027][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 228.121032][ T28] kthread+0x344/0x440 [ 228.125122][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 228.130788][ T28] ret_from_fork+0x1f/0x30 [ 228.135222][ T28] [ 228.138491][ T28] Sending NMI from CPU 1 to CPUs 0: [ 228.143716][ C0] NMI backtrace for cpu 0 [ 228.143725][ C0] CPU: 0 PID: 894 Comm: kworker/0:2 Not tainted 6.3.0-syzkaller-12378-gc8c655c34e33 #0 [ 228.143740][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 228.143748][ C0] Workqueue: rcu_gp process_srcu [ 228.143773][ C0] RIP: 0010:do_raw_spin_lock+0x1ac/0x2b0 [ 228.143795][ C0] Code: 03 65 4c 8b 24 25 c0 bb 03 00 80 3c 02 00 0f 85 e3 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 65 10 48 c7 04 03 00 00 00 00 <48> 8b 44 24 60 65 48 2b 04 25 28 00 00 00 0f 85 c6 00 00 00 48 83 [ 228.143809][ C0] RSP: 0018:ffffc90004cdfa80 EFLAGS: 00000046 [ 228.143819][ C0] RAX: dffffc0000000000 RBX: 1ffff9200099bf51 RCX: ffffffff81666574 [ 228.143828][ C0] RDX: 1ffffffff23f75a2 RSI: 0000000000000004 RDI: ffffc90004cdfaa8 [ 228.143836][ C0] RBP: ffffffff91fbad00 R08: 0000000000000001 R09: 0000000000000003 [ 228.143844][ C0] R10: fffff5200099bf55 R11: 0000000000000000 R12: ffff88801f738000 [ 228.143853][ C0] R13: ffffffff91fbad10 R14: 0000000000000000 R15: 1ffff9200099bf6a [ 228.143864][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 228.143877][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 228.143887][ C0] CR2: 00007f6a509d4718 CR3: 000000000c571000 CR4: 0000000000350ef0 [ 228.143895][ C0] Call Trace: [ 228.143899][ C0] [ 228.143904][ C0] ? spin_bug+0x1c0/0x1c0 [ 228.143925][ C0] _raw_spin_lock_irqsave+0x45/0x60 [ 228.143944][ C0] ? debug_object_activate+0x134/0x3f0 [ 228.143963][ C0] debug_object_activate+0x134/0x3f0 [ 228.143980][ C0] ? lock_sync+0x190/0x190 [ 228.143997][ C0] ? debug_object_free+0x360/0x360 [ 228.144014][ C0] ? spin_bug+0x1c0/0x1c0 [ 228.144034][ C0] __queue_work+0x614/0x1120 [ 228.144054][ C0] __queue_delayed_work+0x1c8/0x270 [ 228.144074][ C0] queue_delayed_work_on+0x109/0x120 [ 228.144094][ C0] process_one_work+0x99a/0x15e0 [ 228.144114][ C0] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 228.144133][ C0] ? spin_bug+0x1c0/0x1c0 [ 228.144150][ C0] ? _raw_spin_lock_irq+0x45/0x50 [ 228.144169][ C0] worker_thread+0x67d/0x10c0 [ 228.144195][ C0] ? process_one_work+0x15e0/0x15e0 [ 228.144213][ C0] kthread+0x344/0x440 [ 228.144228][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 228.144245][ C0] ret_from_fork+0x1f/0x30 [ 228.144267][ C0] [ 228.153433][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 228.153446][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.3.0-syzkaller-12378-gc8c655c34e33 #0 [ 228.153465][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 228.153475][ T28] Call Trace: [ 228.153481][ T28] [ 228.153487][ T28] dump_stack_lvl+0xd9/0x150 [ 228.153521][ T28] panic+0x686/0x730 [ 228.153545][ T28] ? panic_smp_self_stop+0xa0/0xa0 [ 228.153571][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 228.153588][ T28] ? preempt_schedule_thunk+0x1a/0x20 [ 228.153615][ T28] ? watchdog+0xbe8/0x1090 [ 228.153641][ T28] watchdog+0xbf9/0x1090 [ 228.153664][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 228.153689][ T28] kthread+0x344/0x440 [ 228.153709][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 228.153731][ T28] ret_from_fork+0x1f/0x30 [ 228.153762][ T28] [ 228.161810][ T28] Kernel Offset: disabled [ 228.467018][ T28] Rebooting in 86400 seconds..