./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 ar