./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor573251858 <...> 3 [pid 5011] lstat("./100/file0", [pid 5008] rmdir("./98/file0" [pid 7177] <... memfd_create resumed>) = 3 [pid 7176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7176] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, [pid 7177] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] close(3 [pid 5011] <... openat resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 5011] fstat(4, [pid 5008] rmdir("./98" [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5011] getdents64(4, [pid 5008] mkdir("./99", 0777 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 5008] <... mkdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5011] rmdir("./100/file0" [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5011] <... rmdir resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] getdents64(3, [pid 5008] close(3 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] <... close resumed>) = 0 [pid 5011] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] rmdir("./100") = 0 [pid 5011] mkdir("./101", 0777 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7178 [pid 5011] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7179 ./strace-static-x86_64: Process 7178 attached [pid 7178] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7178] chdir("./99"./strace-static-x86_64: Process 7179 attached ) = 0 [pid 7179] set_robust_list(0x555556dec5e0, 24 [pid 7178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7179] <... set_robust_list resumed>) = 0 [pid 7179] chdir("./101") = 0 [pid 7178] <... prctl resumed>) = 0 [pid 7176] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7179] setpgid(0, 0 [pid 7178] setpgid(0, 0 [pid 7179] <... setpgid resumed>) = 0 [pid 7179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7178] <... setpgid resumed>) = 0 [pid 7177] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7179] <... openat resumed>) = 3 [pid 7179] write(3, "1000", 4) = 4 [pid 7179] close(3 [pid 7178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7179] <... close resumed>) = 0 [pid 7179] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7179] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7179] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7179] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7180], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7180 [pid 7178] <... openat resumed>) = 3 [pid 7179] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] write(3, "1000", 4) = 4 [pid 7178] close(3 [pid 7179] <... futex resumed>) = 0 [pid 7178] <... close resumed>) = 0 [pid 7179] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7178] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7180 attached [pid 7180] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7178] <... symlink resumed>) = 0 [pid 7178] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7180] memfd_create("syzkaller", 0) = 3 [pid 7178] <... mmap resumed>) = 0x7f76b0b56000 [pid 7180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7178] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7180] <... mmap resumed>) = 0x7f76a8756000 [pid 7178] <... mprotect resumed>) = 0 [pid 7178] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7173] <... write resumed>) = 4194304 [pid 7178] <... clone resumed>, parent_tid=[7181], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7181 ./strace-static-x86_64: Process 7181 attached [pid 7178] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7173] munmap(0x7f76a8756000, 4194304 [pid 7178] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7181] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7181] memfd_create("syzkaller", 0 [pid 7173] <... munmap resumed>) = 0 [pid 7181] <... memfd_create resumed>) = 3 [pid 7181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7173] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7173] ioctl(4, LOOP_SET_FD, 3 [pid 7181] <... mmap resumed>) = 0x7f76a8756000 [pid 7173] <... ioctl resumed>) = 0 [pid 7173] close(3) = 0 [pid 7173] mkdir("./file0", 0777) = 0 [ 221.614756][ T7173] loop2: detected capacity change from 0 to 8192 [pid 7173] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 221.657928][ T7173] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7180] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7176] <... write resumed>) = 4194304 [pid 7176] munmap(0x7f76a8756000, 4194304) = 0 [pid 7176] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7176] ioctl(4, LOOP_SET_FD, 3 [pid 7181] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7176] <... ioctl resumed>) = 0 [pid 7177] <... write resumed>) = 4194304 [pid 7176] close(3) = 0 [pid 7176] mkdir("./file0", 0777) = 0 [ 221.702131][ T7173] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 221.712741][ T7176] loop4: detected capacity change from 0 to 8192 [ 221.723106][ T7173] REISERFS (device loop2): using ordered data mode [ 221.730279][ T7173] reiserfs: using flush barriers [pid 7176] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7181] <... write resumed>) = 4194304 [pid 7177] munmap(0x7f76a8756000, 4194304 [pid 7181] munmap(0x7f76a8756000, 4194304 [pid 7177] <... munmap resumed>) = 0 [pid 7181] <... munmap resumed>) = 0 [ 221.752205][ T7173] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.772158][ T7176] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.778090][ T7173] REISERFS (device loop2): checking transaction log (loop2) [pid 7177] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7181] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7177] <... openat resumed>) = 4 [pid 7177] ioctl(4, LOOP_SET_FD, 3 [pid 7181] <... openat resumed>) = 4 [pid 7181] ioctl(4, LOOP_SET_FD, 3 [pid 7177] <... ioctl resumed>) = 0 [pid 7177] close(3) = 0 [pid 7177] mkdir("./file0", 0777) = 0 [ 221.798249][ T7176] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 221.808449][ T7173] REISERFS (device loop2): Using r5 hash to sort names [ 221.815863][ T7176] REISERFS (device loop4): Using r5 hash to sort names [ 221.823060][ T7177] loop1: detected capacity change from 0 to 8192 [ 221.826683][ T7181] loop0: detected capacity change from 0 to 8192 [pid 7177] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7180] <... write resumed>) = 4194304 [pid 7181] <... ioctl resumed>) = 0 [pid 7180] munmap(0x7f76a8756000, 4194304 [pid 7181] close(3 [pid 7180] <... munmap resumed>) = 0 [ 221.844376][ T7173] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 221.848397][ T7176] reiserfs: using flush barriers [ 221.864179][ T7177] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.866976][ T7176] 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 7181] <... close resumed>) = 0 [pid 7180] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7181] mkdir("./file0", 0777 [pid 7180] <... openat resumed>) = 4 [pid 7181] <... mkdir resumed>) = 0 [pid 7180] ioctl(4, LOOP_SET_FD, 3 [pid 7181] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7180] <... ioctl resumed>) = 0 [ 221.879827][ T7177] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 221.896908][ T7173] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 221.904543][ T7177] REISERFS (device loop1): using ordered data mode [ 221.919600][ T7180] loop3: detected capacity change from 0 to 8192 [ 221.921178][ T7177] reiserfs: using flush barriers [ 221.934736][ T7177] 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 7180] close(3) = 0 [pid 7180] mkdir("./file0", 0777) = 0 [ 221.935801][ T7181] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.952264][ T7177] REISERFS (device loop1): checking transaction log (loop1) [ 221.973525][ T7177] REISERFS (device loop1): Using r5 hash to sort names [ 221.974494][ T7176] REISERFS (device loop4): checking transaction log (loop4) [ 221.980826][ T7177] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7180] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7177] <... mount resumed>) = 0 [pid 7173] <... mount resumed>) = 0 [pid 7177] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7173] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7177] <... openat resumed>) = 3 [pid 7173] <... openat resumed>) = 3 [ 222.001044][ T7177] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 222.010981][ T7181] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 222.020566][ T7181] REISERFS (device loop0): using ordered data mode [ 222.027868][ T7181] reiserfs: using flush barriers [ 222.028732][ T7180] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7177] chdir("./file0" [pid 7173] chdir("./file0" [pid 7177] <... chdir resumed>) = 0 [pid 7173] <... chdir resumed>) = 0 [ 222.035131][ T7181] 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 [ 222.053426][ T7176] REISERFS (device loop4): Using r5 hash to sort names [ 222.063627][ T7181] REISERFS (device loop0): checking transaction log (loop0) [ 222.073154][ T7180] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 222.078313][ T7176] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7177] ioctl(4, LOOP_CLR_FD [pid 7173] ioctl(4, LOOP_CLR_FD [pid 7177] <... ioctl resumed>) = 0 [pid 7176] <... mount resumed>) = 0 [pid 7173] <... ioctl resumed>) = 0 [pid 7177] close(4 [pid 7176] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 222.089583][ T7181] REISERFS (device loop0): Using r5 hash to sort names [ 222.102443][ T7176] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 222.111884][ T7180] REISERFS (device loop3): using ordered data mode [ 222.119768][ T7181] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.128712][ T7180] reiserfs: using flush barriers [ 222.138557][ T7181] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7173] close(4 [pid 7177] <... close resumed>) = 0 [pid 7176] <... openat resumed>) = 3 [pid 7173] <... close resumed>) = 0 [pid 7177] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] chdir("./file0" [pid 7173] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] <... futex resumed>) = 1 [pid 7176] <... chdir resumed>) = 0 [pid 7177] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7176] ioctl(4, LOOP_CLR_FD [pid 7173] <... futex resumed>) = 1 [pid 7172] <... futex resumed>) = 0 [pid 7176] <... ioctl resumed>) = 0 [pid 7175] <... futex resumed>) = 0 [pid 7173] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] close(4 [pid 7173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7172] <... futex resumed>) = 0 [pid 7176] <... close resumed>) = 0 [pid 7173] mkdir("./file1", 000 [pid 7176] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7176] <... futex resumed>) = 1 [pid 7175] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] <... futex resumed>) = 0 [pid 7173] <... mkdir resumed>) = 0 [pid 7177] <... futex resumed>) = 0 [pid 7176] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7175] <... futex resumed>) = 1 [pid 7174] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] mkdir("./file1", 000 [pid 7176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7175] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7174] <... futex resumed>) = 0 [pid 7173] <... futex resumed>) = 1 [pid 7172] <... futex resumed>) = 0 [pid 7177] <... mkdir resumed>) = 0 [pid 7176] mkdir("./file1", 000 [pid 7174] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7177] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] <... mkdir resumed>) = 0 [pid 7173] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... mount resumed>) = 0 [pid 7177] <... futex resumed>) = 1 [pid 7176] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] <... futex resumed>) = 0 [pid 7173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7172] <... futex resumed>) = 0 [pid 7181] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7177] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7176] <... futex resumed>) = 1 [pid 7175] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] <... futex resumed>) = 0 [pid 7173] mkdir("./bus", 000 [pid 7172] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] <... openat resumed>) = 3 [pid 7177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7176] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7175] <... futex resumed>) = 0 [pid 7174] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... mkdir resumed>) = 0 [pid 7181] chdir("./file0" [pid 7177] mkdir("./bus", 000 [pid 7176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7175] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7174] <... futex resumed>) = 0 [pid 7173] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... chdir resumed>) = 0 [pid 7177] <... mkdir resumed>) = 0 [pid 7176] mkdir("./bus", 000 [pid 7174] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7173] <... futex resumed>) = 1 [pid 7172] <... futex resumed>) = 0 [pid 7181] ioctl(4, LOOP_CLR_FD [pid 7177] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] <... mkdir resumed>) = 0 [pid 7173] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... ioctl resumed>) = 0 [pid 7177] <... futex resumed>) = 1 [pid 7176] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] <... futex resumed>) = 0 [pid 7173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7172] <... futex resumed>) = 0 [pid 7181] close(4 [pid 7177] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7176] <... futex resumed>) = 1 [pid 7175] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] <... futex resumed>) = 0 [pid 7173] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7172] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] <... close resumed>) = 0 [pid 7177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7176] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7175] <... futex resumed>) = 0 [ 222.149705][ T7180] 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 7174] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] <... futex resumed>) = 1 [pid 7178] <... futex resumed>) = 0 [pid 7181] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] <... futex resumed>) = 0 [pid 7181] mkdir("./file1", 000 [pid 7178] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7177] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7174] <... futex resumed>) = 0 [pid 7181] <... mkdir resumed>) = 0 [pid 7181] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7174] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] <... futex resumed>) = 1 [pid 7178] <... futex resumed>) = 0 [pid 7181] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] <... futex resumed>) = 0 [pid 7181] mkdir("./bus", 000 [pid 7178] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] <... mkdir resumed>) = 0 [pid 7181] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7178] <... futex resumed>) = 0 [pid 7181] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] <... futex resumed>) = 0 [pid 7181] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 222.209979][ T7173] overlayfs: upper fs needs to support d_type. [ 222.220430][ T7177] overlayfs: upper fs needs to support d_type. [ 222.228656][ T7176] overlayfs: upper fs needs to support d_type. [ 222.235022][ T7176] overlayfs: upper fs does not support tmpfile. [ 222.238708][ T7180] REISERFS (device loop3): checking transaction log (loop3) [ 222.244696][ T7173] overlayfs: upper fs does not support tmpfile. [pid 7178] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7175] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7172] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7175] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7175] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7172] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7172] <... futex resumed>) = 0 [pid 7172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7175] <... clone resumed>, parent_tid=[7187], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7187 [pid 7172] <... mmap resumed>) = 0x7f76a8b35000 [pid 7175] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7175] <... futex resumed>) = 0 [pid 7175] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7174] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7172] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7187 attached [pid 7174] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7187] set_robust_list(0x7f76a8b559e0, 24 [pid 7174] <... futex resumed>) = 0 [pid 7187] <... set_robust_list resumed>) = 0 [pid 7178] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7172] <... clone resumed>, parent_tid=[7188], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7188 [pid 7187] mkdir(".", 0777 [pid 7178] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7178] <... futex resumed>) = 0 [pid 7187] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7188 attached ) = 0x7f76a8b35000 [pid 7174] <... mmap resumed>) = 0x7f76a8b35000 [pid 7172] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [ 222.251470][ T7181] overlayfs: upper fs needs to support d_type. [ 222.259606][ T7177] overlayfs: upper fs does not support tmpfile. [ 222.281354][ T7181] overlayfs: upper fs does not support tmpfile. [ 222.286826][ T7176] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 222.297968][ T7177] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7178] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7188] set_robust_list(0x7f76a8b559e0, 24 [pid 7178] <... mprotect resumed>) = 0 [pid 7174] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7172] <... futex resumed>) = 0 [pid 7178] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7189], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7189 [pid 7178] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7178] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7172] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7189 attached [pid 7188] <... set_robust_list resumed>) = 0 [pid 7174] <... mprotect resumed>) = 0 [pid 7189] set_robust_list(0x7f76a8b559e0, 24 [pid 7188] mkdir(".", 0777 [pid 7174] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7188] <... mkdir resumed>) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 7190 attached [pid 7189] <... set_robust_list resumed>) = 0 [ 222.303869][ T7187] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 222.312185][ T7176] overlayfs: failed to resolve './file0': -2 [ 222.332095][ T7173] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 222.333360][ T7180] REISERFS (device loop3): Using r5 hash to sort names [ 222.353261][ T7181] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7188] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7174] <... clone resumed>, parent_tid=[7190], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7190 [pid 7189] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7174] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7174] <... futex resumed>) = 0 [pid 7190] set_robust_list(0x7f76a8b559e0, 24 [pid 7188] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7174] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7176] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7190] <... set_robust_list resumed>) = 0 [pid 7188] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 222.357759][ T7173] overlayfs: failed to resolve './file0': -2 [ 222.377760][ T7188] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 222.378294][ T7189] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7190] mkdir(".", 0777 [pid 7188] <... futex resumed>) = 1 [pid 7176] <... futex resumed>) = 0 [pid 7173] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] <... futex resumed>) = 0 [pid 7190] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7188] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7176] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7173] <... futex resumed>) = 0 [pid 7172] exit_group(0 [pid 7177] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 222.408490][ T7177] overlayfs: failed to resolve './file0': -2 [ 222.426363][ T7180] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.440407][ T7180] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7190] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7187] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] <... exit_group resumed>) = ? [pid 7177] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7188] <... futex resumed>) = ? [pid 7187] <... futex resumed>) = 1 [pid 7180] <... mount resumed>) = 0 [pid 7177] <... futex resumed>) = 0 [pid 7189] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] +++ exited with 0 +++ [pid 7187] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7180] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7177] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7173] +++ exited with 0 +++ [pid 7172] +++ exited with 0 +++ [pid 7189] <... futex resumed>) = 1 [pid 7180] <... openat resumed>) = 3 [pid 7189] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7180] chdir("./file0") = 0 [pid 7180] ioctl(4, LOOP_CLR_FD) = 0 [pid 7180] close(4) = 0 [pid 7180] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7179] <... futex resumed>) = 0 [pid 7180] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7179] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7179] <... futex resumed>) = 0 [pid 7180] mkdir("./file1", 000 [pid 7179] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7180] <... mkdir resumed>) = 0 [pid 7180] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7179] <... futex resumed>) = 0 [pid 7180] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7179] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7179] <... futex resumed>) = 0 [pid 7180] mkdir("./bus", 000 [pid 7179] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7180] <... mkdir resumed>) = 0 [pid 7180] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7179] <... futex resumed>) = 0 [pid 7180] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7179] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7179] <... futex resumed>) = 0 [pid 7180] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7179] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7178] <... futex resumed>) = 0 [pid 7175] <... futex resumed>) = 0 [pid 7175] exit_group(0 [pid 7187] <... futex resumed>) = ? [pid 7177] <... futex resumed>) = ? [pid 7175] <... exit_group resumed>) = ? [pid 7190] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7187] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7172, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7190] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] +++ exited with 0 +++ [pid 7175] +++ exited with 0 +++ [pid 7181] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7190] <... futex resumed>) = 1 [pid 7181] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7190] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7181] <... futex resumed>) = 0 [pid 7178] exit_group(0 [pid 7174] exit_group(0 [pid 5010] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7175, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 7189] <... futex resumed>) = ? [pid 7178] <... exit_group resumed>) = ? [pid 7189] +++ exited with 0 +++ [pid 7176] <... futex resumed>) = ? [pid 7174] <... exit_group resumed>) = ? [pid 5010] <... openat resumed>) = 3 [pid 5009] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7190] <... futex resumed>) = ? [pid 7176] +++ exited with 0 +++ [pid 7190] +++ exited with 0 +++ [pid 7181] +++ exited with 0 +++ [ 222.445927][ T7190] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 222.464240][ T7181] overlayfs: failed to resolve './file0': -2 [ 222.472175][ T7180] overlayfs: upper fs needs to support d_type. [ 222.483608][ T7180] overlayfs: upper fs does not support tmpfile. [ 222.494349][ T7180] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7178] +++ exited with 0 +++ [pid 7174] +++ exited with 0 +++ [pid 5010] fstat(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7174, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7178, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 7179] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] getdents64(3, [pid 5009] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] fstat(3, [pid 5012] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7179] <... futex resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] lstat("./100/binderfs", [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... openat resumed>) = 3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 3 [pid 7179] <... mmap resumed>) = 0x7f76a8b35000 [pid 5012] fstat(3, [pid 5010] unlink("./100/binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(3, [pid 7179] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] lstat("./99/binderfs", [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7179] <... mprotect resumed>) = 0 [pid 5012] getdents64(3, [pid 5010] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] getdents64(3, [pid 7179] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] unlink("./99/binderfs" [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... unlink resumed>) = 0 [pid 5008] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7179] <... clone resumed>, parent_tid=[7191], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7191 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7179] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] lstat("./100/binderfs", [pid 5008] lstat("./99/binderfs", [pid 7179] <... futex resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7191 attached [pid 7179] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] unlink("./100/binderfs" [pid 5008] unlink("./99/binderfs" [pid 7191] set_robust_list(0x7f76a8b559e0, 24 [pid 5012] <... unlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 7191] <... set_robust_list resumed>) = 0 [pid 5012] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7191] mkdir(".", 0777) = -1 EEXIST (File exists) [ 222.506637][ T7180] overlayfs: failed to resolve './file0': -2 [pid 7191] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7180] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7180] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7180] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7191] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = 0 [pid 7191] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7179] <... futex resumed>) = 0 [pid 5008] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7191] <... futex resumed>) = 1 [pid 7179] exit_group(0 [pid 7180] <... futex resumed>) = ? [pid 7179] <... exit_group resumed>) = ? [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7191] +++ exited with 0 +++ [pid 7180] +++ exited with 0 +++ [pid 7179] +++ exited with 0 +++ [pid 5008] lstat("./99/file0", [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7179, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5008] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... restart_syscall resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 222.572309][ T7191] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] openat(AT_FDCWD, "./99/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(4, [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(4, [pid 5011] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] fstat(3, [pid 5008] getdents64(4, [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] getdents64(3, [pid 5008] close(4 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... close resumed>) = 0 [pid 5011] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] rmdir("./99/file0" [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./101/binderfs", [pid 5008] <... rmdir resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] getdents64(3, [pid 5011] unlink("./101/binderfs" [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5008] close(3 [pid 5011] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./99") = 0 [pid 5008] mkdir("./100", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7192 attached , child_tidptr=0x555556dec5d0) = 7192 [pid 7192] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7192] chdir("./100") = 0 [pid 7192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7192] setpgid(0, 0) = 0 [pid 7192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7192] write(3, "1000", 4) = 4 [pid 7192] close(3) = 0 [pid 7192] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7192] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7192] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7192] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7192] <... clone resumed>, parent_tid=[7193], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7193 [pid 5010] lstat("./100/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, [pid 7192] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4 [pid 7192] <... futex resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 7192] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] rmdir("./100/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./100") = 0 [pid 5010] mkdir("./101", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5012] <... umount2 resumed>) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 5012] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... close resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7193 attached [pid 7193] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7193] memfd_create("syzkaller", 0 [pid 5012] lstat("./100/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7194 ./strace-static-x86_64: Process 7194 attached [pid 5012] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7194] set_robust_list(0x555556dec5e0, 24 [pid 7193] <... memfd_create resumed>) = 3 [pid 7194] <... set_robust_list resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7194] chdir("./101" [pid 5012] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7194] <... chdir resumed>) = 0 [pid 7194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... openat resumed>) = 4 [pid 7194] <... prctl resumed>) = 0 [pid 7193] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] fstat(4, [pid 7194] setpgid(0, 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7194] <... setpgid resumed>) = 0 [pid 5012] getdents64(4, [pid 7194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... umount2 resumed>) = 0 [pid 7194] <... openat resumed>) = 3 [pid 5012] getdents64(4, [pid 5011] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7194] write(3, "1000", 4 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7194] <... write resumed>) = 4 [pid 5012] close(4 [pid 5011] lstat("./101/file0", [pid 7194] close(3 [pid 5012] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7194] <... close resumed>) = 0 [pid 5012] rmdir("./100/file0" [pid 5011] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7194] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... rmdir resumed>) = 0 [pid 7194] <... symlink resumed>) = 0 [pid 7194] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7194] <... futex resumed>) = 0 [pid 5012] getdents64(3, [pid 5011] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... openat resumed>) = 4 [pid 7194] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] close(3 [pid 5011] fstat(4, [pid 7194] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... close resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7194] <... mprotect resumed>) = 0 [pid 5012] rmdir("./100" [pid 5011] getdents64(4, [pid 7194] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... rmdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7194] <... clone resumed>, parent_tid=[7195], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7195 [pid 5012] mkdir("./101", 0777 [pid 5011] getdents64(4, [pid 7194] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7195 attached [pid 7194] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] close(4 [pid 7195] set_robust_list(0x7f76b0b769e0, 24 [pid 5012] <... openat resumed>) = 3 [pid 5011] <... close resumed>) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 7195] <... set_robust_list resumed>) = 0 [pid 5011] rmdir("./101/file0" [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] close(3 [pid 5011] <... rmdir resumed>) = 0 [pid 7195] memfd_create("syzkaller", 0 [pid 5012] <... close resumed>) = 0 [pid 5011] getdents64(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] lstat("./99/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7195] <... memfd_create resumed>) = 3 [pid 5011] close(3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7196 [pid 5011] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./99/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7195] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] rmdir("./101" [pid 5009] <... openat resumed>) = 4 [pid 5009] fstat(4, [pid 5011] <... rmdir resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7196 attached [pid 5011] mkdir("./102", 0777 [pid 5009] getdents64(4, [pid 7196] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... mkdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7196] <... set_robust_list resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5009] getdents64(4, [pid 7196] chdir("./101" [pid 5011] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7196] <... chdir resumed>) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5009] close(4 [pid 7196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... close resumed>) = 0 [pid 7196] <... prctl resumed>) = 0 [pid 5009] rmdir("./99/file0" [pid 7196] setpgid(0, 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7196] <... setpgid resumed>) = 0 [pid 5011] close(3 [pid 7196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] <... close resumed>) = 0 [pid 7196] <... openat resumed>) = 3 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7196] write(3, "1000", 4) = 4 [pid 7196] close(3 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7197 [pid 7196] <... close resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7196] symlink("/dev/binderfs", "./binderfs" [pid 5009] getdents64(3, [pid 7196] <... symlink resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7197 attached [pid 7196] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] close(3 [pid 7197] set_robust_list(0x555556dec5e0, 24 [pid 7196] <... futex resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7197] <... set_robust_list resumed>) = 0 [pid 7196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] rmdir("./99" [pid 7196] <... mmap resumed>) = 0x7f76b0b56000 [pid 7197] chdir("./102" [pid 7196] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7197] <... chdir resumed>) = 0 [pid 7196] <... mprotect resumed>) = 0 [pid 7197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7196] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7197] <... prctl resumed>) = 0 [pid 7196] <... clone resumed>, parent_tid=[7198], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7198 [pid 7197] setpgid(0, 0 [pid 7196] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... setpgid resumed>) = 0 [pid 7196] <... futex resumed>) = 0 [pid 7197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7196] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7197] <... openat resumed>) = 3 [pid 7197] write(3, "1000", 4) = 4 [pid 7197] close(3) = 0 [pid 7197] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7198 attached [pid 7198] set_robust_list(0x7f76b0b769e0, 24 [pid 7197] <... symlink resumed>) = 0 [pid 7197] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7198] <... set_robust_list resumed>) = 0 [pid 7197] <... mmap resumed>) = 0x7f76b0b56000 [pid 7193] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7198] memfd_create("syzkaller", 0 [pid 7197] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7198] <... memfd_create resumed>) = 3 [pid 7198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7197] <... mprotect resumed>) = 0 [pid 7198] <... mmap resumed>) = 0x7f76a8756000 [pid 7197] clone(child_stack=0x7f76b0b763f0, 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 7199 attached [pid 5009] <... rmdir resumed>) = 0 [pid 7199] set_robust_list(0x7f76b0b769e0, 24 [pid 7197] <... clone resumed>, parent_tid=[7199], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7199 [pid 5009] mkdir("./100", 0777 [pid 7199] <... set_robust_list resumed>) = 0 [pid 7197] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... mkdir resumed>) = 0 [pid 7199] memfd_create("syzkaller", 0 [pid 7197] <... futex resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7199] <... memfd_create resumed>) = 3 [pid 7197] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] <... openat resumed>) = 3 [pid 7199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7199] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7200 ./strace-static-x86_64: Process 7200 attached [pid 7200] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7200] chdir("./100") = 0 [pid 7200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7200] setpgid(0, 0) = 0 [pid 7200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7200] write(3, "1000", 4 [pid 7195] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7200] <... write resumed>) = 4 [pid 7200] close(3) = 0 [pid 7200] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7200] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7200] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7200] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7201], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7201 [pid 7200] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7200] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7201 attached [pid 7201] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7201] memfd_create("syzkaller", 0) = 3 [pid 7201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7199] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7198] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7195] <... write resumed>) = 4194304 [pid 7195] munmap(0x7f76a8756000, 4194304) = 0 [pid 7195] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7201] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7195] <... openat resumed>) = 4 [pid 7193] <... write resumed>) = 4194304 [pid 7195] ioctl(4, LOOP_SET_FD, 3 [pid 7193] munmap(0x7f76a8756000, 4194304) = 0 [pid 7193] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7193] ioctl(4, LOOP_SET_FD, 3 [pid 7195] <... ioctl resumed>) = 0 [pid 7195] close(3) = 0 [pid 7195] mkdir("./file0", 0777) = 0 [pid 7195] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7199] <... write resumed>) = 4194304 [pid 7199] munmap(0x7f76a8756000, 4194304 [pid 7193] <... ioctl resumed>) = 0 [pid 7193] close(3) = 0 [pid 7193] mkdir("./file0", 0777) = 0 [pid 7193] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7199] <... munmap resumed>) = 0 [ 223.066826][ T7195] loop2: detected capacity change from 0 to 8192 [ 223.075542][ T7193] loop0: detected capacity change from 0 to 8192 [ 223.096031][ T7195] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7199] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 223.119302][ T7193] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.132831][ T7193] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 223.135635][ T7195] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 223.142640][ T7193] REISERFS (device loop0): using ordered data mode [ 223.152854][ T7199] loop3: detected capacity change from 0 to 8192 [ 223.158228][ T7193] reiserfs: using flush barriers [pid 7199] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7199] close(3) = 0 [pid 7199] mkdir("./file0", 0777) = 0 [pid 7199] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7198] <... write resumed>) = 4194304 [pid 7198] munmap(0x7f76a8756000, 4194304) = 0 [pid 7198] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 223.170644][ T7193] 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 [ 223.189365][ T7199] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.195375][ T7195] REISERFS (device loop2): using ordered data mode [ 223.208786][ T7198] loop4: detected capacity change from 0 to 8192 [pid 7198] ioctl(4, LOOP_SET_FD, 3 [pid 7201] <... write resumed>) = 4194304 [pid 7198] <... ioctl resumed>) = 0 [pid 7198] close(3) = 0 [pid 7198] mkdir("./file0", 0777) = 0 [pid 7201] munmap(0x7f76a8756000, 4194304 [pid 7198] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7201] <... munmap resumed>) = 0 [pid 7201] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7201] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7201] close(3) = 0 [ 223.213956][ T7193] REISERFS (device loop0): checking transaction log (loop0) [ 223.221206][ T7195] reiserfs: using flush barriers [ 223.224436][ T7193] REISERFS (device loop0): Using r5 hash to sort names [ 223.232847][ T7199] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 223.238220][ T7193] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.249309][ T7201] loop1: detected capacity change from 0 to 8192 [pid 7201] mkdir("./file0", 0777 [pid 7193] <... mount resumed>) = 0 [pid 7193] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7193] chdir("./file0") = 0 [pid 7193] ioctl(4, LOOP_CLR_FD) = 0 [pid 7193] close(4) = 0 [pid 7193] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7192] <... futex resumed>) = 0 [pid 7193] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7192] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] <... futex resumed>) = 0 [pid 7193] mkdir("./file1", 000 [pid 7192] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7193] <... mkdir resumed>) = 0 [pid 7193] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7192] <... futex resumed>) = 0 [pid 7193] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7192] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] <... futex resumed>) = 0 [ 223.256940][ T7193] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 223.272800][ T7198] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.274476][ T7195] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.285897][ T7198] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 223.286002][ T7198] REISERFS (device loop4): using ordered data mode [pid 7193] mkdir("./bus", 000 [pid 7192] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7201] <... mkdir resumed>) = 0 [pid 7193] <... mkdir resumed>) = 0 [pid 7193] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7193] <... futex resumed>) = 1 [pid 7192] <... futex resumed>) = 0 [pid 7193] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7192] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] <... futex resumed>) = 0 [pid 7193] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 223.323800][ T7193] overlayfs: upper fs needs to support d_type. [ 223.333611][ T7195] REISERFS (device loop2): checking transaction log (loop2) [ 223.341401][ T7199] REISERFS (device loop3): using ordered data mode [ 223.345411][ T7201] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.348236][ T7199] reiserfs: using flush barriers [ 223.363626][ T7198] reiserfs: using flush barriers [pid 7192] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7192] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7192] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7192] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7207], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7207 [pid 7192] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 223.367211][ T7195] REISERFS (device loop2): Using r5 hash to sort names [ 223.372766][ T7198] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.379206][ T7193] overlayfs: upper fs does not support tmpfile. [ 223.398679][ T7198] REISERFS (device loop4): checking transaction log (loop4) [ 223.411284][ T7198] REISERFS (device loop4): Using r5 hash to sort names [pid 7192] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7207 attached [ 223.411415][ T7195] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.418470][ T7198] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.431653][ T7199] 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 [ 223.459917][ T7198] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7207] set_robust_list(0x7f76a8b559e0, 24 [pid 7198] <... mount resumed>) = 0 [pid 7198] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7198] chdir("./file0") = 0 [pid 7198] ioctl(4, LOOP_CLR_FD) = 0 [pid 7198] close(4) = 0 [pid 7198] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = 0 [pid 7196] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7196] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7198] <... futex resumed>) = 1 [pid 7198] mkdir("./file1", 000) = 0 [pid 7198] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = 0 [pid 7196] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7196] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7198] <... futex resumed>) = 1 [pid 7198] mkdir("./bus", 000) = 0 [pid 7198] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = 0 [pid 7196] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7196] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7198] <... futex resumed>) = 1 [pid 7198] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7207] <... set_robust_list resumed>) = 0 [pid 7207] mkdir(".", 0777) = -1 EEXIST (File exists) [ 223.464821][ T7201] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 223.478219][ T7198] overlayfs: upper fs needs to support d_type. [ 223.485817][ T7198] overlayfs: upper fs does not support tmpfile. [ 223.493191][ T7198] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.493736][ T7193] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.503354][ T7198] overlayfs: failed to resolve './file0': -2 [ 223.515618][ T7201] REISERFS (device loop1): using ordered data mode [pid 7207] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7196] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7196] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7196] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7196] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7208], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7208 [pid 7196] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 223.522170][ T7201] reiserfs: using flush barriers [ 223.533100][ T7199] REISERFS (device loop3): checking transaction log (loop3) [ 223.540302][ T7207] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 223.543630][ T7195] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7196] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7208 attached [pid 7207] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7207] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] <... futex resumed>) = 0 [pid 7207] <... futex resumed>) = 1 [pid 7207] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7195] <... mount resumed>) = 0 [pid 7195] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7195] chdir("./file0") = 0 [pid 7195] ioctl(4, LOOP_CLR_FD) = 0 [pid 7195] close(4) = 0 [pid 7195] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] <... futex resumed>) = 0 [pid 7194] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7194] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7195] <... futex resumed>) = 1 [pid 7198] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7208] set_robust_list(0x7f76a8b559e0, 24 [pid 7198] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7198] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7195] mkdir("./file1", 000) = 0 [pid 7195] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] <... futex resumed>) = 0 [pid 7194] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7194] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7195] <... futex resumed>) = 1 [pid 7195] mkdir("./bus", 000) = 0 [pid 7195] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] <... futex resumed>) = 0 [pid 7194] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] <... set_robust_list resumed>) = 0 [pid 7194] <... futex resumed>) = 0 [pid 7194] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7208] mkdir(".", 0777 [pid 7195] <... futex resumed>) = 1 [pid 7195] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7208] <... mkdir resumed>) = -1 EEXIST (File exists) [ 223.563079][ T7201] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.582311][ T7193] overlayfs: failed to resolve './file0': -2 [ 223.589596][ T7199] REISERFS (device loop3): Using r5 hash to sort names [ 223.593817][ T7195] overlayfs: upper fs needs to support d_type. [ 223.597634][ T7199] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7208] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7194] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7193] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7194] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7193] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7194] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7192] exit_group(0 [pid 7207] <... futex resumed>) = ? [pid 7194] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7192] <... exit_group resumed>) = ? [pid 7207] +++ exited with 0 +++ [pid 7194] <... clone resumed>, parent_tid=[7209], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7209 [pid 7194] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7194] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7208] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7199] <... mount resumed>) = 0 [pid 7208] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 7209 attached [pid 7209] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7209] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7209] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7193] +++ exited with 0 +++ [pid 7192] +++ exited with 0 +++ [pid 7199] <... openat resumed>) = 3 [pid 7208] <... futex resumed>) = 1 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7192, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 7199] chdir("./file0" [pid 7196] <... futex resumed>) = 0 [pid 7196] exit_group(0 [pid 7198] <... futex resumed>) = ? [pid 7196] <... exit_group resumed>) = ? [pid 7198] +++ exited with 0 +++ [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7208] +++ exited with 0 +++ [pid 7196] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7196, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 7199] <... chdir resumed>) = 0 [pid 7199] ioctl(4, LOOP_CLR_FD [pid 5008] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7199] <... ioctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7199] close(4 [ 223.621663][ T7195] overlayfs: upper fs does not support tmpfile. [ 223.622420][ T7199] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 223.641850][ T7208] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 223.644996][ T7201] REISERFS (device loop1): checking transaction log (loop1) [ 223.657040][ T7195] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5008] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7199] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... openat resumed>) = 3 [pid 7199] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 7199] <... futex resumed>) = 1 [pid 7197] <... futex resumed>) = 0 [pid 5012] fstat(3, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7199] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7197] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7195] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7197] <... futex resumed>) = 0 [pid 7195] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7199] mkdir("./file1", 000 [pid 7197] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7195] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7199] <... mkdir resumed>) = 0 [pid 7195] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7199] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./100/binderfs", [pid 7199] <... futex resumed>) = 1 [pid 7197] <... futex resumed>) = 0 [pid 5012] lstat("./101/binderfs", [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7199] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7197] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./100/binderfs" [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7197] <... futex resumed>) = 0 [pid 5012] unlink("./101/binderfs" [pid 5008] <... unlink resumed>) = 0 [pid 7199] mkdir("./bus", 000 [pid 7197] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... unlink resumed>) = 0 [pid 5008] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7199] <... mkdir resumed>) = 0 [pid 5012] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7199] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7197] <... futex resumed>) = 0 [pid 7199] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7197] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 223.683445][ T7195] overlayfs: failed to resolve './file0': -2 [ 223.689956][ T7209] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 223.705154][ T7201] REISERFS (device loop1): Using r5 hash to sort names [ 223.718503][ T7201] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7197] <... futex resumed>) = 0 [pid 7199] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7197] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7209] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 223.747662][ T7199] overlayfs: upper fs needs to support d_type. [ 223.754171][ T7199] overlayfs: upper fs does not support tmpfile. [ 223.783496][ T7201] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7209] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7194] <... futex resumed>) = 0 [pid 7209] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7194] exit_group(0 [pid 7209] <... futex resumed>) = ? [pid 7195] <... futex resumed>) = ? [pid 7194] <... exit_group resumed>) = ? [pid 7209] +++ exited with 0 +++ [pid 7201] <... mount resumed>) = 0 [pid 7195] +++ exited with 0 +++ [pid 7194] +++ exited with 0 +++ [pid 7201] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7194, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 7201] <... openat resumed>) = 3 [pid 7201] chdir("./file0") = 0 [pid 7197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7201] ioctl(4, LOOP_CLR_FD [pid 7197] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] <... ioctl resumed>) = 0 [pid 7197] <... futex resumed>) = 0 [pid 5010] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7201] close(4 [pid 7197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7201] <... close resumed>) = 0 [pid 7197] <... mmap resumed>) = 0x7f76a8b35000 [pid 5010] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7201] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 223.787311][ T7199] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7197] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... openat resumed>) = 3 [pid 7201] <... futex resumed>) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7197] <... mprotect resumed>) = 0 [pid 5010] fstat(3, [pid 5008] <... umount2 resumed>) = 0 [pid 7201] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7210 attached [pid 7201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7210] set_robust_list(0x7f76a8b559e0, 24 [pid 7201] mkdir("./file1", 000 [pid 7200] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7197] <... clone resumed>, parent_tid=[7210], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7210 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7197] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./100/file0", [pid 7197] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7197] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] lstat("./101/binderfs", [pid 5008] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7210] <... set_robust_list resumed>) = 0 [pid 7201] <... mkdir resumed>) = 0 [pid 7199] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7210] mkdir(".", 0777 [pid 7201] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] unlink("./101/binderfs" [pid 5008] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7210] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7201] <... futex resumed>) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7199] <... futex resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 7210] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7201] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(4, [pid 7201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7201] mkdir("./bus", 000 [pid 7200] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./100/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./100") = 0 [pid 5008] mkdir("./101", 0777 [pid 7201] <... mkdir resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 7201] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7201] <... futex resumed>) = 1 [pid 7200] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7201] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7201] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7200] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7211 [ 223.843981][ T7199] overlayfs: failed to resolve './file0': -2 [ 223.865491][ T7210] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" ./strace-static-x86_64: Process 7211 attached [pid 7211] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7211] chdir("./101") = 0 [pid 7211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7211] setpgid(0, 0) = 0 [pid 7211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7211] write(3, "1000", 4) = 4 [pid 7211] close(3) = 0 [pid 7211] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 7211] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7211] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7211] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7210] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./101/file0", [pid 7211] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7210] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7212 attached [pid 7210] <... futex resumed>) = 1 [pid 7200] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... futex resumed>) = 0 [pid 7211] <... clone resumed>, parent_tid=[7212], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7212 [pid 7200] <... futex resumed>) = 0 [pid 7197] exit_group(0 [pid 7212] set_robust_list(0x7f76b0b769e0, 24 [pid 7211] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7199] <... futex resumed>) = ? [pid 7197] <... exit_group resumed>) = ? [pid 5012] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7212] <... set_robust_list resumed>) = 0 [pid 7211] <... futex resumed>) = 0 [pid 7210] +++ exited with 0 +++ [pid 7200] <... mmap resumed>) = 0x7f76a8b35000 [pid 7199] +++ exited with 0 +++ [pid 7197] +++ exited with 0 +++ [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7212] memfd_create("syzkaller", 0 [pid 7211] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7200] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7197, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7212] <... memfd_create resumed>) = 3 [pid 7200] <... mprotect resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 7212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7201] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7200] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] fstat(4, [pid 7212] <... mmap resumed>) = 0x7f76a8756000 [pid 7201] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7201] <... futex resumed>) = 0 [pid 7200] <... clone resumed>, parent_tid=[7213], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7213 [pid 7201] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] getdents64(4, [pid 5011] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7200] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7213 attached [pid 5012] getdents64(4, [pid 5011] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 223.895594][ T7201] overlayfs: upper fs needs to support d_type. [ 223.901865][ T7201] overlayfs: upper fs does not support tmpfile. [ 223.928291][ T7201] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.939471][ T7201] overlayfs: failed to resolve './file0': -2 [pid 7213] set_robust_list(0x7f76a8b559e0, 24 [pid 5011] <... openat resumed>) = 3 [pid 7213] <... set_robust_list resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] fstat(3, [pid 7213] mkdir(".", 0777 [pid 5012] close(4 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7213] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5012] <... close resumed>) = 0 [pid 5011] getdents64(3, [pid 7213] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] rmdir("./101/file0" [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] getdents64(3, [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] lstat("./102/binderfs", [pid 5012] close(3 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] unlink("./102/binderfs" [pid 5012] rmdir("./101" [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... rmdir resumed>) = 0 [pid 5012] mkdir("./102", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7213] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7213] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... futex resumed>) = 0 [pid 7200] exit_group(0 [pid 7201] <... futex resumed>) = ? [pid 7200] <... exit_group resumed>) = ? [pid 7201] +++ exited with 0 +++ [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7214 [pid 7213] <... futex resumed>) = ? [pid 7213] +++ exited with 0 +++ [pid 7200] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7200, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5009] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./100/binderfs") = 0 [pid 5009] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7214 attached [pid 7214] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7214] chdir("./102") = 0 [pid 7214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7214] setpgid(0, 0) = 0 [ 223.994462][ T7213] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7214] write(3, "1000", 4) = 4 [pid 7214] close(3) = 0 [pid 7214] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7214] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7214] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7214] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7215], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7215 [pid 7214] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7214] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7215 attached [pid 7215] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7215] memfd_create("syzkaller", 0) = 3 [pid 7215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5010] <... umount2 resumed>) = 0 [pid 7215] <... mmap resumed>) = 0x7f76a8756000 [pid 7212] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./101/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./101/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./101" [pid 5011] <... umount2 resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5010] mkdir("./102", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 5011] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... close resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] lstat("./102/file0", ./strace-static-x86_64: Process 7216 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7216 [pid 5011] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7216] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... openat resumed>) = 4 [pid 7216] <... set_robust_list resumed>) = 0 [pid 5011] fstat(4, [pid 7216] chdir("./102" [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7216] <... chdir resumed>) = 0 [pid 5011] getdents64(4, [pid 7216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7212] <... write resumed>) = 4194304 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7216] <... prctl resumed>) = 0 [pid 5011] getdents64(4, [pid 7216] setpgid(0, 0 [pid 7212] munmap(0x7f76a8756000, 4194304 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7216] <... setpgid resumed>) = 0 [pid 7212] <... munmap resumed>) = 0 [pid 7216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7212] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] close(4 [pid 7216] <... openat resumed>) = 3 [pid 7212] <... openat resumed>) = 4 [pid 5011] <... close resumed>) = 0 [pid 7216] write(3, "1000", 4 [pid 7212] ioctl(4, LOOP_SET_FD, 3 [pid 5011] rmdir("./102/file0" [pid 7216] <... write resumed>) = 4 [pid 7216] close(3 [pid 5011] <... rmdir resumed>) = 0 [pid 7216] <... close resumed>) = 0 [pid 5011] getdents64(3, [pid 7216] symlink("/dev/binderfs", "./binderfs" [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7216] <... symlink resumed>) = 0 [pid 5011] close(3 [pid 7216] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... close resumed>) = 0 [pid 7216] <... futex resumed>) = 0 [pid 7212] <... ioctl resumed>) = 0 [pid 5011] rmdir("./102" [pid 7216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7212] close(3 [pid 7216] <... mmap resumed>) = 0x7f76b0b56000 [pid 7212] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 7216] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7212] mkdir("./file0", 0777 [pid 5011] mkdir("./103", 0777 [pid 7216] <... mprotect resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 7216] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7212] <... mkdir resumed>) = 0 [pid 7215] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7212] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 7217 attached [pid 7216] <... clone resumed>, parent_tid=[7217], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7217 [pid 5009] <... umount2 resumed>) = 0 [pid 7217] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7217] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./100/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7216] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... openat resumed>) = 3 [ 224.190647][ T7212] loop0: detected capacity change from 0 to 8192 [ 224.226226][ T7212] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./100/file0") = 0 [pid 5009] getdents64(3, [pid 7216] <... futex resumed>) = 1 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7217] <... futex resumed>) = 0 [pid 7216] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7217] memfd_create("syzkaller", 0 [pid 5011] close(3 [pid 7217] <... memfd_create resumed>) = 3 [pid 5011] <... close resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./100" [pid 7217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7217] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... rmdir resumed>) = 0 [pid 5009] mkdir("./101", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 ./strace-static-x86_64: Process 7219 attached [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7219 [pid 7219] set_robust_list(0x555556dec5e0, 24 [pid 5009] close(3 [pid 7219] <... set_robust_list resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7219] chdir("./103" [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7219] <... chdir resumed>) = 0 [pid 7219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7220 [pid 7219] setpgid(0, 0) = 0 [ 224.239740][ T7212] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 224.275501][ T7212] REISERFS (device loop0): using ordered data mode [ 224.282345][ T7212] reiserfs: using flush barriers ./strace-static-x86_64: Process 7220 attached [pid 7219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7220] set_robust_list(0x555556dec5e0, 24 [pid 7219] <... openat resumed>) = 3 [pid 7220] <... set_robust_list resumed>) = 0 [pid 7220] chdir("./101" [pid 7219] write(3, "1000", 4 [pid 7220] <... chdir resumed>) = 0 [pid 7219] <... write resumed>) = 4 [pid 7220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7219] close(3 [pid 7220] <... prctl resumed>) = 0 [pid 7219] <... close resumed>) = 0 [pid 7217] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7215] <... write resumed>) = 4194304 [pid 7219] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7219] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7220] setpgid(0, 0 [pid 7219] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7219] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7220] <... setpgid resumed>) = 0 [pid 7215] munmap(0x7f76a8756000, 4194304 [pid 7220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7219] <... clone resumed>, parent_tid=[7221], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7221 [pid 7219] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7219] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7215] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7221 attached [pid 7220] <... openat resumed>) = 3 [pid 7221] set_robust_list(0x7f76b0b769e0, 24 [pid 7220] write(3, "1000", 4 [pid 7215] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7221] <... set_robust_list resumed>) = 0 [pid 7220] <... write resumed>) = 4 [pid 7215] <... openat resumed>) = 4 [pid 7221] memfd_create("syzkaller", 0 [pid 7220] close(3 [ 224.293879][ T7212] 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 [ 224.324324][ T7212] REISERFS (device loop0): checking transaction log (loop0) [pid 7215] ioctl(4, LOOP_SET_FD, 3 [pid 7221] <... memfd_create resumed>) = 3 [pid 7220] <... close resumed>) = 0 [pid 7221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7220] symlink("/dev/binderfs", "./binderfs" [pid 7215] <... ioctl resumed>) = 0 [pid 7220] <... symlink resumed>) = 0 [pid 7215] close(3 [pid 7220] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] <... close resumed>) = 0 [pid 7220] <... futex resumed>) = 0 [pid 7215] mkdir("./file0", 0777 [pid 7220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7215] <... mkdir resumed>) = 0 [pid 7220] <... mmap resumed>) = 0x7f76b0b56000 [pid 7217] <... write resumed>) = 4194304 [pid 7215] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7220] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7217] munmap(0x7f76a8756000, 4194304 [pid 7220] <... mprotect resumed>) = 0 [pid 7217] <... munmap resumed>) = 0 [ 224.345455][ T7215] loop4: detected capacity change from 0 to 8192 [ 224.366405][ T7212] REISERFS (device loop0): Using r5 hash to sort names [ 224.373596][ T7212] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7220] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7217] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 7223 attached ) = 4 [pid 7212] <... mount resumed>) = 0 [pid 7212] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7212] chdir("./file0") = 0 [pid 7212] ioctl(4, LOOP_CLR_FD [pid 7223] set_robust_list(0x7f76b0b769e0, 24 [pid 7220] <... clone resumed>, parent_tid=[7223], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7223 [pid 7223] <... set_robust_list resumed>) = 0 [pid 7220] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] ioctl(4, LOOP_SET_FD, 3 [pid 7223] memfd_create("syzkaller", 0 [pid 7220] <... futex resumed>) = 0 [pid 7212] <... ioctl resumed>) = 0 [ 224.396952][ T7215] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.399459][ T7212] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 224.419816][ T7215] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 224.431661][ T7217] loop2: detected capacity change from 0 to 8192 [pid 7212] close(4 [pid 7223] <... memfd_create resumed>) = 3 [pid 7221] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7220] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7217] <... ioctl resumed>) = 0 [pid 7223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7217] close(3 [pid 7223] <... mmap resumed>) = 0x7f76a8756000 [pid 7217] <... close resumed>) = 0 [pid 7217] mkdir("./file0", 0777) = 0 [ 224.445619][ T7215] REISERFS (device loop4): using ordered data mode [ 224.452197][ T7215] reiserfs: using flush barriers [ 224.463816][ T7215] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.480928][ T7215] REISERFS (device loop4): checking transaction log (loop4) [ 224.490269][ T7215] REISERFS (device loop4): Using r5 hash to sort names [pid 7217] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7212] <... close resumed>) = 0 [pid 7212] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7211] <... futex resumed>) = 0 [pid 7212] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7211] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7211] <... futex resumed>) = 0 [pid 7211] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7212] mkdir("./file1", 000) = 0 [pid 7212] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7211] <... futex resumed>) = 0 [pid 7212] mkdir("./bus", 000 [pid 7211] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... mkdir resumed>) = 0 [pid 7211] <... futex resumed>) = 0 [pid 7212] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7212] <... futex resumed>) = 0 [pid 7211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7212] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7211] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7211] <... futex resumed>) = 0 [pid 7215] <... mount resumed>) = 0 [pid 7212] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 224.490993][ T7217] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.498329][ T7215] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.524330][ T7215] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7211] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7215] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7215] chdir("./file0") = 0 [pid 7215] ioctl(4, LOOP_CLR_FD) = 0 [ 224.545728][ T7217] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 224.555508][ T7217] REISERFS (device loop2): using ordered data mode [ 224.555844][ T7212] overlayfs: upper fs needs to support d_type. [ 224.562580][ T7217] reiserfs: using flush barriers [ 224.577357][ T7212] overlayfs: upper fs does not support tmpfile. [pid 7215] close(4 [pid 7211] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7215] <... close resumed>) = 0 [pid 7211] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] <... futex resumed>) = 0 [pid 7215] <... futex resumed>) = 1 [pid 7214] <... futex resumed>) = 0 [pid 7211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7215] mkdir("./file1", 000 [pid 7214] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] <... mmap resumed>) = 0x7f76a8b35000 [pid 7215] <... mkdir resumed>) = 0 [pid 7214] <... futex resumed>) = 0 [pid 7211] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7215] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] <... mprotect resumed>) = 0 [pid 7214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7215] <... futex resumed>) = 0 [pid 7214] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] mkdir("./bus", 000 [pid 7214] <... futex resumed>) = 0 [pid 7211] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7215] <... mkdir resumed>) = 0 [pid 7214] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7215] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7211] <... clone resumed>, parent_tid=[7225], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7225 [pid 7215] <... futex resumed>) = 0 [pid 7214] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7214] <... futex resumed>) = 0 [pid 7211] <... futex resumed>) = 0 [pid 7214] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7221] <... write resumed>) = 4194304 [ 224.578303][ T7217] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.584598][ T7212] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 224.608816][ T7212] overlayfs: failed to resolve './file0': -2 [ 224.627627][ T7215] overlayfs: upper fs needs to support d_type. [ 224.633889][ T7215] overlayfs: upper fs does not support tmpfile. [pid 7221] munmap(0x7f76a8756000, 4194304./strace-static-x86_64: Process 7225 attached [pid 7223] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7221] <... munmap resumed>) = 0 [pid 7225] set_robust_list(0x7f76a8b559e0, 24 [pid 7221] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7215] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7212] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7225] <... set_robust_list resumed>) = 0 [pid 7221] <... openat resumed>) = 4 [pid 7215] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] mkdir(".", 0777 [pid 7221] ioctl(4, LOOP_SET_FD, 3 [pid 7215] <... futex resumed>) = 1 [pid 7212] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7215] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7214] <... futex resumed>) = 0 [ 224.645615][ T7217] REISERFS (device loop2): checking transaction log (loop2) [ 224.655655][ T7217] REISERFS (device loop2): Using r5 hash to sort names [ 224.660744][ T7215] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 224.671486][ T7215] overlayfs: failed to resolve './file0': -2 [ 224.689005][ T7221] loop3: detected capacity change from 0 to 8192 [pid 7225] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7221] <... ioctl resumed>) = 0 [pid 7214] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... futex resumed>) = 0 [pid 7221] close(3) = 0 [pid 7221] mkdir("./file0", 0777) = 0 [pid 7221] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7214] <... futex resumed>) = 1 [pid 7212] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7215] <... futex resumed>) = 0 [pid 7214] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7215] mkdir(".", 0777) = -1 EEXIST (File exists) [ 224.695564][ T7217] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.712263][ T7221] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.714066][ T7217] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7215] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7217] <... mount resumed>) = 0 [pid 7225] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7225] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7225] <... futex resumed>) = 1 [pid 7217] <... openat resumed>) = 3 [pid 7211] <... futex resumed>) = 0 [pid 7225] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7217] chdir("./file0" [pid 7211] exit_group(0 [pid 7217] <... chdir resumed>) = 0 [pid 7225] <... futex resumed>) = ? [pid 7217] ioctl(4, LOOP_CLR_FD [pid 7212] <... futex resumed>) = ? [pid 7211] <... exit_group resumed>) = ? [pid 7225] +++ exited with 0 +++ [pid 7217] <... ioctl resumed>) = 0 [pid 7212] +++ exited with 0 +++ [pid 7217] close(4 [pid 7211] +++ exited with 0 +++ [pid 7217] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7211, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5008] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./101/binderfs") = 0 [pid 5008] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7215] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7215] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7214] <... futex resumed>) = 0 [pid 7217] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] exit_group(0 [pid 7217] <... futex resumed>) = 1 [pid 7216] <... futex resumed>) = 0 [pid 7214] <... exit_group resumed>) = ? [pid 7216] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] mkdir("./file1", 000 [pid 7216] <... futex resumed>) = 0 [pid 7217] <... mkdir resumed>) = 0 [pid 7216] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7217] <... futex resumed>) = 0 [pid 7216] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] mkdir("./bus", 000 [pid 7216] <... futex resumed>) = 0 [pid 7216] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] <... mkdir resumed>) = 0 [pid 7217] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7216] <... futex resumed>) = 0 [pid 7217] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 224.736512][ T7225] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.738214][ T7215] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.765572][ T7221] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 224.778497][ T7221] REISERFS (device loop3): using ordered data mode [pid 7216] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7216] <... futex resumed>) = 0 [pid 7216] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7215] +++ exited with 0 +++ [pid 7214] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7214, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5012] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./102/binderfs") = 0 [pid 5012] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7223] <... write resumed>) = 4194304 [pid 7223] munmap(0x7f76a8756000, 4194304) = 0 [pid 7223] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 224.800006][ T7221] reiserfs: using flush barriers [ 224.800299][ T7217] overlayfs: upper fs needs to support d_type. [ 224.812782][ T7221] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.825933][ T7217] overlayfs: upper fs does not support tmpfile. [ 224.841164][ T7217] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7223] ioctl(4, LOOP_SET_FD, 3 [pid 7216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7216] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7223] <... ioctl resumed>) = 0 [pid 7216] <... mmap resumed>) = 0x7f76a8b35000 [pid 7216] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7223] close(3) = 0 [pid 7216] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7223] mkdir("./file0", 0777) = 0 [pid 7216] <... clone resumed>, parent_tid=[7227], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7227 [pid 7223] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7216] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7216] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7227 attached [ 224.849933][ T7223] loop1: detected capacity change from 0 to 8192 [ 224.868868][ T7217] overlayfs: failed to resolve './file0': -2 [ 224.879814][ T7221] REISERFS (device loop3): checking transaction log (loop3) [ 224.882861][ T7223] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7227] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7217] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7227] mkdir(".", 0777 [pid 7217] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7227] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7217] <... futex resumed>) = 0 [pid 7227] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 224.901804][ T7221] REISERFS (device loop3): Using r5 hash to sort names [ 224.909296][ T7221] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.922122][ T7223] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 224.922224][ T7223] REISERFS (device loop1): using ordered data mode [ 224.922241][ T7223] reiserfs: using flush barriers [pid 7217] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7221] <... mount resumed>) = 0 [pid 7221] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7221] chdir("./file0") = 0 [pid 7221] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] <... umount2 resumed>) = 0 [ 224.928626][ T7227] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.948964][ T7223] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.975606][ T7221] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7221] close(4 [pid 5012] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7227] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7221] <... close resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7221] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] lstat("./102/file0", [pid 7221] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7227] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7219] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7227] <... futex resumed>) = 1 [pid 7221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] <... futex resumed>) = 0 [pid 7216] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7227] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7221] mkdir("./file1", 000 [pid 7219] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7216] exit_group(0 [pid 5012] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7227] <... futex resumed>) = ? [pid 7221] <... mkdir resumed>) = 0 [pid 7217] <... futex resumed>) = ? [pid 7216] <... exit_group resumed>) = ? [pid 5012] <... openat resumed>) = 4 [ 224.997849][ T7223] REISERFS (device loop1): checking transaction log (loop1) [ 225.016262][ T7223] REISERFS (device loop1): Using r5 hash to sort names [ 225.023401][ T7223] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7227] +++ exited with 0 +++ [pid 7221] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(4, [pid 7221] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7221] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7219] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(4, [pid 7221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7221] mkdir("./bus", 000 [pid 7219] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] +++ exited with 0 +++ [pid 5012] getdents64(4, [pid 7221] <... mkdir resumed>) = 0 [pid 7216] +++ exited with 0 +++ [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7221] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] close(4 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7216, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 7221] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7221] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7219] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] rmdir("./102/file0" [pid 5010] <... restart_syscall resumed>) = 0 [pid 7223] <... mount resumed>) = 0 [pid 7221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] <... futex resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 7223] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7221] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7219] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] getdents64(3, [pid 7223] <... openat resumed>) = 3 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 7223] chdir("./file0" [pid 5012] close(3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7223] <... chdir resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7223] ioctl(4, LOOP_CLR_FD [pid 5012] rmdir("./102" [pid 5008] lstat("./101/file0", [pid 7223] <... ioctl resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 225.059484][ T7223] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 225.090298][ T7221] overlayfs: upper fs needs to support d_type. [ 225.101887][ T7221] overlayfs: upper fs does not support tmpfile. [pid 7223] close(4 [pid 5008] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7223] <... close resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7223] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7223] <... futex resumed>) = 1 [pid 5008] <... openat resumed>) = 4 [pid 7223] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./101/file0") = 0 [pid 5012] mkdir("./103", 0777 [pid 5008] getdents64(3, [pid 7220] <... futex resumed>) = 0 [pid 5010] fstat(3, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./101" [pid 7220] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... mkdir resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7223] <... futex resumed>) = 0 [pid 7220] <... futex resumed>) = 1 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5010] getdents64(3, [pid 5008] mkdir("./102", 0777 [pid 7223] mkdir("./file1", 000 [pid 7220] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... mkdir resumed>) = 0 [pid 7223] <... mkdir resumed>) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5010] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7223] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 [pid 7223] <... futex resumed>) = 1 [pid 7220] <... futex resumed>) = 0 [pid 5012] close(3 [pid 5010] lstat("./102/binderfs", [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7223] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7220] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7220] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] close(3 [pid 7223] mkdir("./bus", 000 [pid 5008] <... close resumed>) = 0 [pid 7223] <... mkdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7223] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7219] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] unlink("./102/binderfs" [pid 7223] <... futex resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7229 [pid 7223] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7229 attached [pid 7220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7229] chdir("./102") = 0 [pid 5010] <... unlink resumed>) = 0 [pid 7220] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] <... futex resumed>) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7230 [pid 5010] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7223] <... futex resumed>) = 0 [pid 7220] <... futex resumed>) = 1 [ 225.110781][ T7221] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 225.133211][ T7221] overlayfs: failed to resolve './file0': -2 [pid 7223] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7220] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7219] <... mmap resumed>) = 0x7f76a8b35000 ./strace-static-x86_64: Process 7230 attached [pid 7229] setpgid(0, 0 [pid 7219] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7229] <... setpgid resumed>) = 0 [pid 7230] set_robust_list(0x555556dec5e0, 24 [pid 7229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7219] <... mprotect resumed>) = 0 [pid 7230] <... set_robust_list resumed>) = 0 [pid 7229] <... openat resumed>) = 3 [pid 7221] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7229] write(3, "1000", 4) = 4 [pid 7229] close(3) = 0 [pid 7229] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7229] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7229] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7229] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7231], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7231 [pid 7221] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] chdir("./103" [pid 7229] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] <... futex resumed>) = 0 [pid 7219] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7229] <... futex resumed>) = 0 [pid 7229] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7221] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] <... chdir resumed>) = 0 [pid 7219] <... clone resumed>, parent_tid=[7232], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7232 [pid 7230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7219] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... prctl resumed>) = 0 [pid 7219] <... futex resumed>) = 0 [pid 7230] setpgid(0, 0) = 0 [pid 7219] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7231 attached ./strace-static-x86_64: Process 7232 attached [pid 7231] set_robust_list(0x7f76b0b769e0, 24 [pid 7230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7232] set_robust_list(0x7f76a8b559e0, 24 [pid 7231] <... set_robust_list resumed>) = 0 [pid 7232] <... set_robust_list resumed>) = 0 [pid 7231] memfd_create("syzkaller", 0 [pid 7232] mkdir(".", 0777 [pid 7231] <... memfd_create resumed>) = 3 [pid 7230] <... openat resumed>) = 3 [pid 7232] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7230] write(3, "1000", 4 [pid 7232] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7231] <... mmap resumed>) = 0x7f76a8756000 [pid 7230] <... write resumed>) = 4 [pid 7230] close(3) = 0 [pid 7230] symlink("/dev/binderfs", "./binderfs" [pid 7220] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7230] <... symlink resumed>) = 0 [pid 7220] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] <... futex resumed>) = 0 [ 225.157572][ T7223] overlayfs: upper fs needs to support d_type. [ 225.163869][ T7223] overlayfs: upper fs does not support tmpfile. [ 225.187103][ T7223] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7230] <... futex resumed>) = 0 [pid 7220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7220] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7230] <... mmap resumed>) = 0x7f76b0b56000 [pid 7220] <... mprotect resumed>) = 0 [pid 7230] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7220] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7230] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7220] <... clone resumed>, parent_tid=[7233], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7233 [pid 7220] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7220] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7230] <... clone resumed>, parent_tid=[7234], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7234 [pid 7230] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7234 attached ./strace-static-x86_64: Process 7233 attached ) = 0 [pid 7234] set_robust_list(0x7f76b0b769e0, 24 [pid 7233] set_robust_list(0x7f76a8b559e0, 24 [pid 7234] <... set_robust_list resumed>) = 0 [pid 7233] <... set_robust_list resumed>) = 0 [pid 7230] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7233] mkdir(".", 0777 [pid 7234] memfd_create("syzkaller", 0 [pid 7233] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7234] <... memfd_create resumed>) = 3 [pid 7233] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7232] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7232] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] <... futex resumed>) = 0 [pid 7219] exit_group(0 [pid 7221] <... futex resumed>) = ? [pid 7219] <... exit_group resumed>) = ? [pid 7221] +++ exited with 0 +++ [pid 7232] <... futex resumed>) = ? [ 225.218430][ T7232] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 225.236341][ T7223] overlayfs: failed to resolve './file0': -2 [pid 7232] +++ exited with 0 +++ [pid 7219] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7219, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5011] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [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 7223] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] unlink("./103/binderfs" [pid 7234] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7233] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7223] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... unlink resumed>) = 0 [pid 7223] <... futex resumed>) = 0 [pid 7223] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7233] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7233] <... futex resumed>) = 1 [pid 7220] <... futex resumed>) = 0 [pid 7220] exit_group(0 [pid 7223] <... futex resumed>) = ? [pid 7220] <... exit_group resumed>) = ? [pid 7223] +++ exited with 0 +++ [ 225.269473][ T7233] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7233] +++ exited with 0 +++ [pid 7220] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7220, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5009] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./101/binderfs") = 0 [pid 5009] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7231] <... write resumed>) = 4194304 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./102/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./102/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./102") = 0 [pid 5010] mkdir("./103", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 7234] <... write resumed>) = 4194304 [pid 7231] munmap(0x7f76a8756000, 4194304 [pid 5011] <... umount2 resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7234] munmap(0x7f76a8756000, 4194304 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7235 [pid 7231] <... munmap resumed>) = 0 [pid 5011] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7234] <... munmap resumed>) = 0 [pid 7231] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./103/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7235 attached [pid 7234] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7231] <... openat resumed>) = 4 [pid 5011] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7235] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7235] <... set_robust_list resumed>) = 0 [pid 7234] <... openat resumed>) = 4 [pid 7231] ioctl(4, LOOP_SET_FD, 3 [pid 5011] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7235] chdir("./103" [pid 5011] <... openat resumed>) = 4 [pid 7235] <... chdir resumed>) = 0 [pid 7235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7235] setpgid(0, 0) = 0 [pid 7235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7235] write(3, "1000", 4) = 4 [pid 7235] close(3) = 0 [pid 7235] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7235] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7235] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7235] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7236], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7236 [pid 7235] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7235] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7236 attached [pid 7236] set_robust_list(0x7f76b0b769e0, 24 [pid 7234] ioctl(4, LOOP_SET_FD, 3 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7236] <... set_robust_list resumed>) = 0 [pid 7236] memfd_create("syzkaller", 0) = 3 [pid 7236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7234] <... ioctl resumed>) = 0 [pid 5011] getdents64(4, [pid 7234] close(3) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7234] mkdir("./file0", 0777 [pid 7231] <... ioctl resumed>) = 0 [pid 5011] getdents64(4, [pid 5009] <... umount2 resumed>) = 0 [pid 7234] <... mkdir resumed>) = 0 [pid 7231] close(3 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7234] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7231] <... close resumed>) = 0 [pid 5011] close(4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7231] mkdir("./file0", 0777 [pid 5011] <... close resumed>) = 0 [pid 5009] lstat("./101/file0", [pid 5011] rmdir("./103/file0" [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7231] <... mkdir resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5009] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7231] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] getdents64(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [ 225.490089][ T7231] loop0: detected capacity change from 0 to 8192 [ 225.507498][ T7234] loop4: detected capacity change from 0 to 8192 [pid 5009] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] close(3) = 0 [pid 5009] <... openat resumed>) = 4 [pid 5011] rmdir("./103" [pid 5009] fstat(4, [pid 5011] <... rmdir resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] mkdir("./104", 0777 [pid 5009] getdents64(4, [pid 5011] <... mkdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [ 225.531147][ T7234] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.547777][ T7231] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.561656][ T7234] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 225.572345][ T7231] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5009] getdents64(4, [pid 7236] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5009] close(4 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... close resumed>) = 0 [pid 5011] close(3 [ 225.582315][ T7234] REISERFS (device loop4): using ordered data mode [ 225.589661][ T7231] REISERFS (device loop0): using ordered data mode [ 225.596775][ T7234] reiserfs: using flush barriers [ 225.604211][ T7234] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.621745][ T7231] reiserfs: using flush barriers [pid 5009] rmdir("./101/file0") = 0 [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] getdents64(3, [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7239 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./101") = 0 [pid 5009] mkdir("./102", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 225.628198][ T7231] 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 [ 225.645347][ T7231] REISERFS (device loop0): checking transaction log (loop0) [ 225.655471][ T7234] REISERFS (device loop4): checking transaction log (loop4) [ 225.675651][ T7231] REISERFS (device loop0): Using r5 hash to sort names [pid 5009] close(3./strace-static-x86_64: Process 7239 attached [pid 7236] <... write resumed>) = 4194304 [pid 5009] <... close resumed>) = 0 [pid 7239] set_robust_list(0x555556dec5e0, 24 [pid 7236] munmap(0x7f76a8756000, 4194304 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7239] <... set_robust_list resumed>) = 0 [pid 7236] <... munmap resumed>) = 0 [pid 7239] chdir("./104" [pid 7236] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7240 [pid 7239] <... chdir resumed>) = 0 [pid 7236] <... openat resumed>) = 4 [pid 7239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7236] ioctl(4, LOOP_SET_FD, 3 [pid 7239] <... prctl resumed>) = 0 [pid 7239] setpgid(0, 0) = 0 [pid 7239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7239] write(3, "1000", 4) = 4 [pid 7239] close(3) = 0 [pid 7239] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7239] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7239] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7239] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7241], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7241 [pid 7239] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7239] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7236] <... ioctl resumed>) = 0 [pid 7236] close(3) = 0 [pid 7236] mkdir("./file0", 0777./strace-static-x86_64: Process 7241 attached ) = 0 [pid 7241] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7241] memfd_create("syzkaller", 0 [pid 7236] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7241] <... memfd_create resumed>) = 3 [pid 7241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 225.682812][ T7231] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 225.699497][ T7236] loop2: detected capacity change from 0 to 8192 [ 225.700371][ T7234] REISERFS (device loop4): Using r5 hash to sort names [ 225.716645][ T7234] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! ./strace-static-x86_64: Process 7240 attached [pid 7240] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7240] chdir("./102") = 0 [pid 7240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7240] setpgid(0, 0) = 0 [pid 7240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7240] write(3, "1000", 4) = 4 [pid 7240] close(3) = 0 [pid 7240] symlink("/dev/binderfs", "./binderfs" [pid 7234] <... mount resumed>) = 0 [pid 7234] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7234] chdir("./file0") = 0 [pid 7234] ioctl(4, LOOP_CLR_FD) = 0 [pid 7234] close(4) = 0 [pid 7234] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... futex resumed>) = 0 [pid 7230] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7230] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7234] <... futex resumed>) = 1 [pid 7234] mkdir("./file1", 000) = 0 [pid 7234] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... futex resumed>) = 0 [pid 7230] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7230] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7234] <... futex resumed>) = 1 [pid 7234] mkdir("./bus", 000) = 0 [pid 7234] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] <... symlink resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7230] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7230] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7234] <... futex resumed>) = 1 [pid 7234] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 225.731480][ T7236] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.753287][ T7234] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 225.768031][ T7231] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7240] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7240] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7240] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7243], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7243 ./strace-static-x86_64: Process 7243 attached [pid 7240] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7240] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7230] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7240] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7230] <... mmap resumed>) = 0x7f76a8b35000 [pid 7230] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7230] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7244 [pid 7230] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7230] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7243] memfd_create("syzkaller", 0 [pid 7234] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7234] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] <... memfd_create resumed>) = 3 [pid 7234] <... futex resumed>) = 0 [pid 7234] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7231] <... mount resumed>) = 0 [pid 7231] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7231] chdir("./file0") = 0 [pid 7231] ioctl(4, LOOP_CLR_FD) = 0 [ 225.782027][ T7234] overlayfs: upper fs needs to support d_type. [ 225.789810][ T7234] overlayfs: upper fs does not support tmpfile. [ 225.795292][ T7236] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 225.797914][ T7234] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 225.815789][ T7234] overlayfs: failed to resolve './file0': -2 [pid 7231] close(4 [pid 7243] <... mmap resumed>) = 0x7f76a8756000 [pid 7231] <... close resumed>) = 0 [pid 7231] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7229] <... futex resumed>) = 0 [pid 7231] mkdir("./file1", 000 [pid 7229] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] <... mkdir resumed>) = 0 [pid 7229] <... futex resumed>) = 0 [pid 7229] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7231] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7229] <... futex resumed>) = 0 [pid 7231] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7229] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7229] <... futex resumed>) = 0 [pid 7231] mkdir("./bus", 000 [pid 7229] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7231] <... mkdir resumed>) = 0 [pid 7231] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7229] <... futex resumed>) = 0 [pid 7231] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7229] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7229] <... futex resumed>) = 0 [pid 7231] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7229] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7244 attached [pid 7244] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7244] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7244] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7241] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7229] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7229] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7229] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7245 [pid 7229] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7229] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7245 attached [pid 7245] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7245] mkdir(".", 0777) = -1 EEXIST (File exists) [ 225.858255][ T7231] overlayfs: upper fs needs to support d_type. [ 225.858254][ T7236] REISERFS (device loop2): using ordered data mode [ 225.858274][ T7236] reiserfs: using flush barriers [ 225.878967][ T7236] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.922567][ T7244] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 225.942027][ T7231] overlayfs: upper fs does not support tmpfile. [ 225.943158][ T7236] REISERFS (device loop2): checking transaction log (loop2) [pid 7245] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7244] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7243] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7241] <... write resumed>) = 4194304 [pid 7245] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7244] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7229] <... futex resumed>) = 0 [pid 7245] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7244] <... futex resumed>) = 1 [pid 7230] <... futex resumed>) = 0 [pid 7241] munmap(0x7f76a8756000, 4194304 [pid 7244] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] exit_group(0 [pid 7244] <... futex resumed>) = ? [pid 7241] <... munmap resumed>) = 0 [pid 7234] <... futex resumed>) = ? [pid 7230] <... exit_group resumed>) = ? [pid 7234] +++ exited with 0 +++ [ 225.977946][ T7245] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 225.992539][ T7231] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 226.001282][ T7236] REISERFS (device loop2): Using r5 hash to sort names [ 226.013328][ T7231] overlayfs: failed to resolve './file0': -2 [pid 7244] +++ exited with 0 +++ [pid 7241] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7230] +++ exited with 0 +++ [pid 7241] <... openat resumed>) = 4 [pid 7241] ioctl(4, LOOP_SET_FD, 3 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7230, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./103/binderfs") = 0 [pid 5012] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7241] <... ioctl resumed>) = 0 [pid 7231] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7241] close(3 [pid 7231] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] <... close resumed>) = 0 [pid 7236] <... mount resumed>) = 0 [pid 7231] <... futex resumed>) = 0 [pid 7229] exit_group(0 [pid 7245] <... futex resumed>) = ? [pid 7241] mkdir("./file0", 0777 [pid 7236] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7229] <... exit_group resumed>) = ? [pid 7245] +++ exited with 0 +++ [pid 7241] <... mkdir resumed>) = 0 [pid 7231] +++ exited with 0 +++ [pid 7229] +++ exited with 0 +++ [pid 7241] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7236] <... openat resumed>) = 3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7229, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- [pid 7236] chdir("./file0") = 0 [ 226.019806][ T7236] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.045682][ T7241] loop3: detected capacity change from 0 to 8192 [ 226.052619][ T7236] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7236] ioctl(4, LOOP_CLR_FD [pid 7243] <... write resumed>) = 4194304 [pid 7236] <... ioctl resumed>) = 0 [pid 5008] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7243] munmap(0x7f76a8756000, 4194304 [pid 7236] close(4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7243] <... munmap resumed>) = 0 [pid 7236] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7236] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 3 [pid 7236] <... futex resumed>) = 1 [pid 7235] <... futex resumed>) = 0 [pid 5008] fstat(3, [pid 7236] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7235] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7235] <... futex resumed>) = 0 [pid 5008] getdents64(3, [pid 7236] mkdir("./file1", 000 [pid 7235] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7243] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7236] <... mkdir resumed>) = 0 [pid 5008] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7243] <... openat resumed>) = 4 [pid 7236] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7243] ioctl(4, LOOP_SET_FD, 3 [pid 7236] <... futex resumed>) = 1 [pid 7235] <... futex resumed>) = 0 [pid 5008] lstat("./102/binderfs", [pid 7236] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7235] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7235] <... futex resumed>) = 0 [pid 5008] unlink("./102/binderfs" [pid 7236] mkdir("./bus", 000 [pid 7235] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... unlink resumed>) = 0 [pid 7236] <... mkdir resumed>) = 0 [pid 5008] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7236] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7235] <... futex resumed>) = 0 [pid 7236] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7235] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7235] <... futex resumed>) = 0 [ 226.076892][ T7241] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.090866][ T7241] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 226.101703][ T7241] REISERFS (device loop3): using ordered data mode [ 226.112708][ T7243] loop1: detected capacity change from 0 to 8192 [pid 7236] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7235] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7243] <... ioctl resumed>) = 0 [pid 7243] close(3) = 0 [pid 7243] mkdir("./file0", 0777) = 0 [ 226.133412][ T7236] overlayfs: upper fs needs to support d_type. [ 226.140123][ T7241] reiserfs: using flush barriers [ 226.149134][ T7236] overlayfs: upper fs does not support tmpfile. [ 226.160115][ T7241] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.171189][ T7236] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7243] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7235] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7235] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7235] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7235] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7248], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7248 [pid 7235] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7235] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7248 attached [pid 7248] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7248] mkdir(".", 0777) = -1 EEXIST (File exists) [ 226.183993][ T7241] REISERFS (device loop3): checking transaction log (loop3) [ 226.206501][ T7243] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.208647][ T7241] REISERFS (device loop3): Using r5 hash to sort names [pid 7248] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7241] <... mount resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 226.244163][ T7241] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.246896][ T7236] overlayfs: failed to resolve './file0': -2 [ 226.258009][ T7241] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 226.274672][ T7248] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7241] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5012] <... umount2 resumed>) = 0 [pid 5008] lstat("./102/file0", [pid 7241] <... openat resumed>) = 3 [pid 5012] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7241] chdir("./file0") = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7241] ioctl(4, LOOP_CLR_FD [pid 5012] lstat("./103/file0", [pid 7241] <... ioctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7241] close(4 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7241] <... close resumed>) = 0 [pid 5012] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 4 [pid 7241] <... futex resumed>) = 1 [pid 5012] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(4, [pid 7239] <... futex resumed>) = 0 [pid 7239] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7241] mkdir("./file1", 000 [pid 7239] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 7236] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7241] <... mkdir resumed>) = 0 [pid 7239] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] getdents64(4, [pid 7236] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(4, [pid 7236] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7248] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] getdents64(4, [ 226.281907][ T7243] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 226.299925][ T7243] REISERFS (device loop1): using ordered data mode [ 226.309298][ T7243] reiserfs: using flush barriers [ 226.315892][ T7243] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.334022][ T7243] REISERFS (device loop1): checking transaction log (loop1) [pid 7248] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 7248] <... futex resumed>) = 1 [pid 5012] getdents64(4, [pid 7248] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7241] <... futex resumed>) = 1 [pid 7239] <... futex resumed>) = 0 [pid 7235] <... futex resumed>) = 0 [pid 5012] close(4 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7239] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 7239] <... futex resumed>) = 0 [pid 5012] rmdir("./103/file0" [pid 7239] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... rmdir resumed>) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./103") = 0 [pid 7241] mkdir("./bus", 000 [pid 7235] exit_group(0 [pid 5012] mkdir("./104", 0777 [pid 5008] close(4 [pid 7248] <... futex resumed>) = ? [pid 7241] <... mkdir resumed>) = 0 [pid 7236] <... futex resumed>) = ? [pid 7235] <... exit_group resumed>) = ? [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7249 [pid 7248] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 7241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] +++ exited with 0 +++ [pid 7235] +++ exited with 0 +++ [pid 7243] <... mount resumed>) = 0 [pid 7243] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7243] chdir("./file0") = 0 [pid 7243] ioctl(4, LOOP_CLR_FD [pid 7241] <... futex resumed>) = 1 [pid 7239] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7249 attached [pid 7241] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7239] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7235, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7243] <... ioctl resumed>) = 0 [pid 5008] rmdir("./102/file0" [pid 7249] set_robust_list(0x555556dec5e0, 24 [pid 7241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7239] <... futex resumed>) = 0 [pid 5010] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7249] <... set_robust_list resumed>) = 0 [pid 7243] close(4 [pid 7241] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7239] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... rmdir resumed>) = 0 [pid 7249] chdir("./104" [ 226.348076][ T7243] REISERFS (device loop1): Using r5 hash to sort names [ 226.356009][ T7243] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.370728][ T7243] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5010] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(3, [pid 7249] <... chdir resumed>) = 0 [pid 7243] <... close resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7243] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] fstat(3, [pid 5008] close(3 [pid 7249] <... prctl resumed>) = 0 [pid 7243] <... futex resumed>) = 1 [pid 7240] <... futex resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7249] setpgid(0, 0 [pid 7240] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 7249] <... setpgid resumed>) = 0 [pid 7243] mkdir("./file1", 000 [pid 5010] getdents64(3, [pid 7249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7243] <... mkdir resumed>) = 0 [pid 7240] <... futex resumed>) = 0 [pid 5008] rmdir("./102" [pid 7249] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7249] write(3, "1000", 4 [pid 7243] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... rmdir resumed>) = 0 [pid 7249] <... write resumed>) = 4 [pid 7243] <... futex resumed>) = 0 [pid 7240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5010] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./103", 0777 [pid 7249] close(3 [pid 7243] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7241] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7240] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... mkdir resumed>) = 0 [pid 7249] <... close resumed>) = 0 [pid 7243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] <... futex resumed>) = 0 [pid 5010] lstat("./103/binderfs", [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7249] symlink("/dev/binderfs", "./binderfs" [pid 7243] mkdir("./bus", 000 [pid 7241] <... futex resumed>) = 0 [pid 7240] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7239] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7249] <... symlink resumed>) = 0 [pid 7243] <... mkdir resumed>) = 0 [pid 7241] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7239] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] unlink("./103/binderfs" [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7249] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7239] <... futex resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7249] <... futex resumed>) = 0 [pid 7243] <... futex resumed>) = 1 [pid 7241] mkdir(".", 0777 [pid 7240] <... futex resumed>) = 0 [pid 7239] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 7249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7243] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7241] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7240] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 7249] <... mmap resumed>) = 0x7f76b0b56000 [pid 7243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 226.410866][ T7241] overlayfs: upper fs needs to support d_type. [ 226.423998][ T7241] overlayfs: upper fs does not support tmpfile. [ 226.432577][ T7241] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 226.442371][ T7241] overlayfs: failed to resolve './file0': -2 [pid 7241] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7240] <... futex resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7249] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7243] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7240] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7249] <... mprotect resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7250 [pid 7249] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7251 [pid 7249] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7249] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7251 attached ./strace-static-x86_64: Process 7250 attached [pid 7241] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7251] set_robust_list(0x7f76b0b769e0, 24 [pid 7250] set_robust_list(0x555556dec5e0, 24 [pid 7241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] <... set_robust_list resumed>) = 0 [pid 7241] <... futex resumed>) = 1 [pid 7239] <... futex resumed>) = 0 [pid 7239] exit_group(0) = ? [pid 7251] <... set_robust_list resumed>) = 0 [pid 7250] chdir("./103") = 0 [pid 7250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7250] setpgid(0, 0) = 0 [pid 7250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7250] write(3, "1000", 4 [pid 7251] memfd_create("syzkaller", 0 [pid 7250] <... write resumed>) = 4 [pid 7250] close(3) = 0 [ 226.482270][ T7241] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 226.503190][ T7243] overlayfs: upper fs needs to support d_type. [ 226.510767][ T7243] overlayfs: upper fs does not support tmpfile. [ 226.520492][ T7243] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7251] <... memfd_create resumed>) = 3 [pid 7250] symlink("/dev/binderfs", "./binderfs" [pid 7241] +++ exited with 0 +++ [pid 7239] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7239, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 7250] <... symlink resumed>) = 0 [pid 7251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7250] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7251] <... mmap resumed>) = 0x7f76a8756000 [pid 7250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7250] <... mmap resumed>) = 0x7f76b0b56000 [pid 7250] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... openat resumed>) = 3 [pid 5011] fstat(3, [pid 7250] <... mprotect resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7250] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] getdents64(3, [pid 7240] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7250] <... clone resumed>, parent_tid=[7252], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7252 [pid 7240] <... futex resumed>) = 0 [pid 7250] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7240] <... mmap resumed>) = 0x7f76a8b35000 [pid 7250] <... futex resumed>) = 0 [pid 5011] lstat("./104/binderfs", [pid 7240] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7250] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7240] <... mprotect resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7240] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] unlink("./104/binderfs" [pid 7240] <... clone resumed>, parent_tid=[7253], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7253 [pid 7240] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... unlink resumed>) = 0 [pid 7240] <... futex resumed>) = 0 [pid 7240] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7253 attached [pid 7253] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7253] mkdir(".", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 7252 attached [pid 7252] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7253] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7252] memfd_create("syzkaller", 0 [pid 7243] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7252] <... memfd_create resumed>) = 3 [pid 7243] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7243] <... futex resumed>) = 0 [pid 7252] <... mmap resumed>) = 0x7f76a8756000 [ 226.536022][ T7243] overlayfs: failed to resolve './file0': -2 [pid 7243] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7253] <... mount resumed>) = -1 EINVAL (Invalid argument) [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 7253] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7240] <... futex resumed>) = 0 [pid 7240] exit_group(0 [pid 7243] <... futex resumed>) = ? [pid 7240] <... exit_group resumed>) = ? [pid 7243] +++ exited with 0 +++ [pid 7253] +++ exited with 0 +++ [pid 7240] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7240, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5009] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 226.593726][ T7253] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5009] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] getdents64(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] lstat("./103/file0", [pid 5009] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] lstat("./102/binderfs", [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] unlink("./102/binderfs" [pid 5010] <... openat resumed>) = 4 [pid 5009] <... unlink resumed>) = 0 [pid 5010] fstat(4, [pid 5009] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./103/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./103") = 0 [pid 5010] mkdir("./104", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7254 ./strace-static-x86_64: Process 7254 attached [pid 7254] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7254] chdir("./104") = 0 [pid 7254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7254] setpgid(0, 0) = 0 [pid 7254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7254] write(3, "1000", 4 [pid 5011] <... umount2 resumed>) = 0 [pid 7254] <... write resumed>) = 4 [pid 7254] close(3) = 0 [pid 7254] symlink("/dev/binderfs", "./binderfs") = 0 [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 7254] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7254] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7254] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7255], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7255 [pid 7254] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7254] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7255 attached [pid 7255] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7255] memfd_create("syzkaller", 0) = 3 [pid 7255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7251] <... write resumed>) = 4194304 [pid 5011] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./104/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7251] munmap(0x7f76a8756000, 4194304 [pid 5011] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, [pid 7251] <... munmap resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 7251] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7251] ioctl(4, LOOP_SET_FD, 3 [pid 5011] close(4 [pid 7252] <... write resumed>) = 4194304 [pid 5011] <... close resumed>) = 0 [pid 7252] munmap(0x7f76a8756000, 4194304 [pid 5011] rmdir("./104/file0" [pid 7251] <... ioctl resumed>) = 0 [pid 7251] close(3 [pid 7252] <... munmap resumed>) = 0 [pid 7252] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] <... rmdir resumed>) = 0 [pid 7252] <... openat resumed>) = 4 [pid 5011] getdents64(3, [pid 7252] ioctl(4, LOOP_SET_FD, 3 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7251] <... close resumed>) = 0 [pid 7251] mkdir("./file0", 0777) = 0 [pid 7251] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] close(3) = 0 [pid 5011] rmdir("./104") = 0 [pid 5011] mkdir("./105", 0777 [pid 7252] <... ioctl resumed>) = 0 [pid 7252] close(3 [pid 5011] <... mkdir resumed>) = 0 [pid 7252] <... close resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7252] mkdir("./file0", 0777 [pid 5011] <... openat resumed>) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7252] <... mkdir resumed>) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7252] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] close(3) = 0 [ 226.807658][ T7251] loop4: detected capacity change from 0 to 8192 [ 226.823402][ T7252] loop0: detected capacity change from 0 to 8192 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7257 [pid 7255] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7257 attached [pid 7257] set_robust_list(0x555556dec5e0, 24 [pid 5009] <... umount2 resumed>) = 0 [pid 7257] <... set_robust_list resumed>) = 0 [pid 7257] chdir("./105") = 0 [pid 7257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7257] setpgid(0, 0 [pid 5009] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./102/file0", [pid 7257] <... setpgid resumed>) = 0 [pid 7257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7257] <... openat resumed>) = 3 [pid 5009] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7257] write(3, "1000", 4) = 4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7257] close(3) = 0 [pid 5009] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7257] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... openat resumed>) = 4 [pid 7257] <... symlink resumed>) = 0 [ 226.845761][ T7251] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.867246][ T7252] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.882368][ T7252] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 226.894438][ T7252] REISERFS (device loop0): using ordered data mode [ 226.902609][ T7252] reiserfs: using flush barriers [pid 7257] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] fstat(4, [pid 7257] <... futex resumed>) = 0 [pid 7257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7257] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] getdents64(4, [pid 7257] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7257] <... mprotect resumed>) = 0 [pid 5009] getdents64(4, [pid 7257] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 7257] <... clone resumed>, parent_tid=[7259], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7259 [pid 5009] <... close resumed>) = 0 [pid 7257] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] rmdir("./102/file0" [pid 7257] <... futex resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7257] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7259 attached [pid 5009] close(3 [pid 7259] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] <... close resumed>) = 0 [pid 7259] <... set_robust_list resumed>) = 0 [pid 5009] rmdir("./102" [ 226.904153][ T7251] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 226.935973][ T7252] 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 7259] memfd_create("syzkaller", 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7259] <... memfd_create resumed>) = 3 [pid 7255] <... write resumed>) = 4194304 [pid 5009] mkdir("./103", 0777 [pid 7259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... mkdir resumed>) = 0 [pid 7259] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7255] munmap(0x7f76a8756000, 4194304 [pid 5009] <... openat resumed>) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3 [pid 7255] <... munmap resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7255] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7260 ./strace-static-x86_64: Process 7260 attached [pid 7260] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7260] chdir("./103") = 0 [pid 7260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7255] <... openat resumed>) = 4 [pid 7260] <... prctl resumed>) = 0 [pid 7260] setpgid(0, 0 [ 226.944557][ T7251] REISERFS (device loop4): using ordered data mode [ 226.959478][ T7251] reiserfs: using flush barriers [ 226.969578][ T7251] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.986774][ T7251] REISERFS (device loop4): checking transaction log (loop4) [ 226.996065][ T7252] REISERFS (device loop0): checking transaction log (loop0) [pid 7255] ioctl(4, LOOP_SET_FD, 3 [pid 7260] <... setpgid resumed>) = 0 [pid 7255] <... ioctl resumed>) = 0 [pid 7260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7260] write(3, "1000", 4) = 4 [pid 7260] close(3) = 0 [pid 7260] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7260] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7255] close(3 [pid 7260] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7255] <... close resumed>) = 0 [pid 7260] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7255] mkdir("./file0", 0777 [pid 7260] <... clone resumed>, parent_tid=[7261], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7261 [pid 7260] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7261 attached [pid 7261] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7261] memfd_create("syzkaller", 0) = 3 [pid 7261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7255] <... mkdir resumed>) = 0 [ 227.005939][ T7255] loop2: detected capacity change from 0 to 8192 [ 227.006580][ T7252] REISERFS (device loop0): Using r5 hash to sort names [ 227.019635][ T7251] REISERFS (device loop4): Using r5 hash to sort names [ 227.030473][ T7251] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7255] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7259] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] <... mount resumed>) = 0 [pid 7251] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7251] chdir("./file0") = 0 [pid 7251] ioctl(4, LOOP_CLR_FD) = 0 [ 227.046883][ T7252] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.054790][ T7251] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 227.075322][ T7255] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 227.088162][ T7252] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 227.098106][ T7255] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7251] close(4) = 0 [pid 7251] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7249] <... futex resumed>) = 0 [pid 7251] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] <... futex resumed>) = 0 [pid 7251] mkdir("./file1", 000 [pid 7249] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7251] <... mkdir resumed>) = 0 [pid 7251] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7249] <... futex resumed>) = 0 [pid 7252] <... mount resumed>) = 0 [pid 7251] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] <... futex resumed>) = 0 [pid 7261] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] <... openat resumed>) = 3 [pid 7251] mkdir("./bus", 000 [ 227.125413][ T7255] REISERFS (device loop2): using ordered data mode [ 227.132478][ T7255] reiserfs: using flush barriers [ 227.142363][ T7255] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 227.159161][ T7255] REISERFS (device loop2): checking transaction log (loop2) [pid 7249] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] chdir("./file0" [pid 7251] <... mkdir resumed>) = 0 [pid 7252] <... chdir resumed>) = 0 [pid 7251] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] ioctl(4, LOOP_CLR_FD [pid 7251] <... futex resumed>) = 1 [pid 7249] <... futex resumed>) = 0 [pid 7252] <... ioctl resumed>) = 0 [pid 7251] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] close(4 [pid 7251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] <... futex resumed>) = 0 [pid 7252] <... close resumed>) = 0 [pid 7251] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7249] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] <... write resumed>) = 4194304 [pid 7255] <... mount resumed>) = 0 [pid 7252] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] munmap(0x7f76a8756000, 4194304 [pid 7255] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7252] <... futex resumed>) = 1 [pid 7250] <... futex resumed>) = 0 [pid 7252] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] <... munmap resumed>) = 0 [pid 7255] <... openat resumed>) = 3 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7250] <... futex resumed>) = 0 [pid 7259] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7255] chdir("./file0" [pid 7252] mkdir("./file1", 000 [pid 7250] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] <... openat resumed>) = 4 [pid 7255] <... chdir resumed>) = 0 [pid 7252] <... mkdir resumed>) = 0 [pid 7259] ioctl(4, LOOP_SET_FD, 3 [pid 7255] ioctl(4, LOOP_CLR_FD [ 227.176139][ T7255] REISERFS (device loop2): Using r5 hash to sort names [ 227.183280][ T7255] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.196290][ T7255] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 227.199797][ T7251] overlayfs: upper fs needs to support d_type. [pid 7252] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7250] <... futex resumed>) = 0 [pid 7252] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7250] <... futex resumed>) = 0 [pid 7259] <... ioctl resumed>) = 0 [pid 7255] <... ioctl resumed>) = 0 [pid 7252] mkdir("./bus", 000 [pid 7250] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] close(3 [pid 7255] close(4 [pid 7252] <... mkdir resumed>) = 0 [pid 7261] <... write resumed>) = 4194304 [pid 7259] <... close resumed>) = 0 [pid 7255] <... close resumed>) = 0 [pid 7252] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7261] munmap(0x7f76a8756000, 4194304 [pid 7259] mkdir("./file0", 0777 [pid 7255] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] <... futex resumed>) = 1 [pid 7250] <... futex resumed>) = 0 [pid 7249] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 0 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7250] <... futex resumed>) = 0 [pid 7249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7252] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7250] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7249] <... mmap resumed>) = 0x7f76a8b35000 [pid 7261] <... munmap resumed>) = 0 [pid 7259] <... mkdir resumed>) = 0 [pid 7255] <... futex resumed>) = 1 [pid 7254] <... futex resumed>) = 0 [pid 7249] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 227.237387][ T7259] loop3: detected capacity change from 0 to 8192 [ 227.256219][ T7251] overlayfs: upper fs does not support tmpfile. [ 227.263203][ T7251] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 227.273713][ T7252] overlayfs: upper fs needs to support d_type. [ 227.276036][ T7251] overlayfs: failed to resolve './file0': -2 [pid 7249] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7261] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7259] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7255] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7254] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7263 attached [pid 7261] <... openat resumed>) = 4 [pid 7255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7254] <... futex resumed>) = 0 [pid 7251] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7249] <... clone resumed>, parent_tid=[7263], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7263 [pid 7263] set_robust_list(0x7f76a8b559e0, 24 [pid 7261] ioctl(4, LOOP_SET_FD, 3 [pid 7255] mkdir("./file1", 000 [pid 7254] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7251] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... set_robust_list resumed>) = 0 [pid 7261] <... ioctl resumed>) = 0 [pid 7255] <... mkdir resumed>) = 0 [pid 7251] <... futex resumed>) = 0 [pid 7249] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] mkdir(".", 0777 [pid 7255] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7255] <... futex resumed>) = 1 [pid 7254] <... futex resumed>) = 0 [pid 7263] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7255] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7254] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7254] <... futex resumed>) = 0 [pid 7255] mkdir("./bus", 000 [pid 7254] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] close(3 [pid 7255] <... mkdir resumed>) = 0 [pid 7261] <... close resumed>) = 0 [pid 7255] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] mkdir("./file0", 0777 [pid 7255] <... futex resumed>) = 1 [pid 7254] <... futex resumed>) = 0 [pid 7261] <... mkdir resumed>) = 0 [pid 7255] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7254] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7254] <... futex resumed>) = 0 [ 227.287552][ T7252] overlayfs: upper fs does not support tmpfile. [ 227.294518][ T7252] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 227.302567][ T7259] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 227.314208][ T7261] loop1: detected capacity change from 0 to 8192 [ 227.317017][ T7259] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7255] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7254] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7249] <... futex resumed>) = 0 [pid 7250] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7250] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7250] <... futex resumed>) = 0 [pid 7252] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7263] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7263] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7263] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7252] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7252] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] <... mmap resumed>) = 0x7f76a8b35000 [pid 7250] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7254] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7250] <... mprotect resumed>) = 0 [pid 7254] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7254] <... futex resumed>) = 0 [pid 7249] <... futex resumed>) = 0 [ 227.333910][ T7255] overlayfs: upper fs needs to support d_type. [ 227.336236][ T7252] overlayfs: failed to resolve './file0': -2 [ 227.344538][ T7263] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 227.348036][ T7259] REISERFS (device loop3): using ordered data mode [ 227.360977][ T7255] overlayfs: upper fs does not support tmpfile. [ 227.366930][ T7259] reiserfs: using flush barriers [ 227.374536][ T7255] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7250] <... clone resumed>, parent_tid=[7266], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7266 [pid 7249] exit_group(0 [pid 7254] <... mmap resumed>) = 0x7f76a8b35000 [pid 7254] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7254] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7267], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7267 [pid 7254] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7254] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7267 attached [pid 7267] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7267] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7267] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 7266 attached [pid 7266] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7266] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... exit_group resumed>) = ? [pid 7263] <... futex resumed>) = ? [pid 7251] <... futex resumed>) = ? [pid 7250] <... futex resumed>) = 1 [pid 7263] +++ exited with 0 +++ [pid 7251] +++ exited with 0 +++ [pid 7250] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7266] <... futex resumed>) = 0 [pid 7266] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7249] +++ exited with 0 +++ [ 227.386026][ T7261] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 227.386118][ T7259] 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 [ 227.409720][ T7261] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 227.416787][ T7259] REISERFS (device loop3): checking transaction log (loop3) [pid 7266] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7249, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5012] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./104/binderfs") = 0 [ 227.436320][ T7261] REISERFS (device loop1): using ordered data mode [ 227.437742][ T7255] overlayfs: failed to resolve './file0': -2 [ 227.443093][ T7261] reiserfs: using flush barriers [ 227.453984][ T7259] REISERFS (device loop3): Using r5 hash to sort names [ 227.463049][ T7259] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.476614][ T7259] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5012] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7259] <... mount resumed>) = 0 [pid 7267] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7259] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7259] chdir("./file0") = 0 [pid 7259] ioctl(4, LOOP_CLR_FD) = 0 [pid 7259] close(4) = 0 [pid 7259] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7257] <... futex resumed>) = 0 [pid 7259] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7257] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7257] <... futex resumed>) = 0 [pid 7259] mkdir("./file1", 000 [pid 7257] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] <... mkdir resumed>) = 0 [pid 7259] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7257] <... futex resumed>) = 0 [pid 7267] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7257] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] <... futex resumed>) = 1 [pid 7259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7257] <... futex resumed>) = 0 [pid 7267] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7259] mkdir("./bus", 000 [pid 7257] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] <... mkdir resumed>) = 0 [pid 7259] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7257] <... futex resumed>) = 0 [pid 7259] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7257] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7257] <... futex resumed>) = 0 [ 227.485800][ T7261] 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 [ 227.488099][ T7267] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 227.502809][ T7261] REISERFS (device loop1): checking transaction log (loop1) [ 227.517438][ T7266] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7259] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7257] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7254] <... futex resumed>) = 0 [pid 7255] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7255] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7254] exit_group(0 [pid 7255] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7267] <... futex resumed>) = ? [pid 7255] <... futex resumed>) = ? [pid 7254] <... exit_group resumed>) = ? [pid 7267] +++ exited with 0 +++ [pid 7255] +++ exited with 0 +++ [pid 7254] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7254, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5010] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7257] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] lstat("./104/binderfs", [pid 7257] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7257] <... futex resumed>) = 0 [pid 5010] unlink("./104/binderfs" [pid 7257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... unlink resumed>) = 0 [pid 7257] <... mmap resumed>) = 0x7f76a8b35000 [ 227.543412][ T7259] overlayfs: upper fs needs to support d_type. [ 227.550519][ T7261] REISERFS (device loop1): Using r5 hash to sort names [ 227.559251][ T7261] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.575917][ T7259] overlayfs: upper fs does not support tmpfile. [ 227.586036][ T7259] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5010] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7257] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7266] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7257] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7266] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7257] <... clone resumed>, parent_tid=[7268], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7268 [pid 7250] <... futex resumed>) = 0 [pid 7257] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7266] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7257] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7250] exit_group(0 [pid 7266] <... futex resumed>) = ? [pid 7252] <... futex resumed>) = ? [pid 7250] <... exit_group resumed>) = ? [pid 7266] +++ exited with 0 +++ [pid 7252] +++ exited with 0 +++ [pid 7250] +++ exited with 0 +++ ./strace-static-x86_64: Process 7268 attached [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7250, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 7268] set_robust_list(0x7f76a8b559e0, 24 [pid 5008] <... restart_syscall resumed>) = 0 [pid 7268] <... set_robust_list resumed>) = 0 [pid 7268] mkdir(".", 0777 [pid 5008] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7268] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7268] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./103/binderfs") = 0 [pid 5008] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7261] <... mount resumed>) = 0 [pid 7261] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7261] chdir("./file0") = 0 [pid 7261] ioctl(4, LOOP_CLR_FD) = 0 [pid 7261] close(4) = 0 [pid 7261] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = 0 [pid 7260] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... futex resumed>) = 1 [pid 7261] mkdir("./file1", 000) = 0 [pid 7261] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = 0 [pid 7260] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... futex resumed>) = 1 [pid 7261] mkdir("./bus", 000) = 0 [pid 7261] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = 0 [pid 7260] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... futex resumed>) = 1 [ 227.652340][ T7261] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 227.654567][ T7268] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7261] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./104/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./104/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./104") = 0 [pid 7260] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7260] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7260] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7260] clone(child_stack=0x7f76a8b553f0, 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 7269 attached , parent_tid=[7269], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7269 [pid 7260] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] set_robust_list(0x7f76a8b559e0, 24 [pid 7260] <... futex resumed>) = 0 [pid 5012] mkdir("./105", 0777 [pid 7260] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... mkdir resumed>) = 0 [pid 7269] <... set_robust_list resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7269] mkdir(".", 0777 [pid 5012] <... openat resumed>) = 3 [pid 7269] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7270 [pid 7269] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 7270 attached [pid 7270] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7270] chdir("./105") = 0 [pid 7270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7270] setpgid(0, 0) = 0 [ 227.696797][ T7261] overlayfs: upper fs needs to support d_type. [ 227.729123][ T7261] overlayfs: upper fs does not support tmpfile. [pid 7270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7270] write(3, "1000", 4) = 4 [pid 7270] close(3) = 0 [pid 7270] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7270] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7270] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7270] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7271], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7271 [pid 5010] <... umount2 resumed>) = 0 [pid 7270] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7270] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7271 attached [pid 7271] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7271] memfd_create("syzkaller", 0) = 3 [pid 7271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5010] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./104/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./104/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./104") = 0 [ 227.774293][ T7269] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] mkdir("./105", 0777 [pid 7269] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7268] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 7269] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7271] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] <... futex resumed>) = 1 [pid 7268] <... futex resumed>) = 1 [pid 7260] <... futex resumed>) = 0 [pid 7257] <... futex resumed>) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] close(3 [pid 7269] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7268] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... close resumed>) = 0 [pid 5008] lstat("./103/file0", [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7272 [pid 5008] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7259] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7272 attached [pid 7259] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7272] set_robust_list(0x555556dec5e0, 24 [pid 7259] <... futex resumed>) = 0 [pid 7257] exit_group(0 [pid 7272] <... set_robust_list resumed>) = 0 [pid 7268] <... futex resumed>) = ? [pid 7261] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7257] <... exit_group resumed>) = ? [pid 5008] <... openat resumed>) = 4 [pid 7272] chdir("./105" [pid 7259] +++ exited with 0 +++ [pid 7272] <... chdir resumed>) = 0 [pid 7272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7272] setpgid(0, 0) = 0 [pid 7272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7272] write(3, "1000", 4) = 4 [pid 7272] close(3) = 0 [pid 7272] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7268] +++ exited with 0 +++ [pid 7261] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7257] +++ exited with 0 +++ [pid 5008] fstat(4, [pid 7272] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... futex resumed>) = 0 [pid 7260] exit_group(0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7257, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7272] <... futex resumed>) = 0 [pid 7260] <... exit_group resumed>) = ? [pid 7272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7269] <... futex resumed>) = ? [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7272] <... mmap resumed>) = 0x7f76b0b56000 [pid 7269] +++ exited with 0 +++ [pid 5011] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7272] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7272] <... mprotect resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7272] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7261] +++ exited with 0 +++ [pid 7260] +++ exited with 0 +++ [pid 5011] <... openat resumed>) = 3 [ 227.827240][ T7259] overlayfs: failed to resolve './file0': -2 [ 227.837260][ T7261] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 227.861027][ T7261] overlayfs: failed to resolve './file0': -2 [pid 5008] getdents64(4, [pid 5011] fstat(3, [pid 7272] <... clone resumed>, parent_tid=[7273], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7273 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7260, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7272] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(3, [pid 5009] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(4, [pid 7272] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7272] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] close(4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... openat resumed>) = 3 [pid 5011] lstat("./105/binderfs", [pid 5009] fstat(3, [pid 5008] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] rmdir("./103/file0" [pid 5011] unlink("./105/binderfs" [pid 5009] getdents64(3, [pid 5011] <... unlink resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... rmdir resumed>) = 0 [pid 5011] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, ./strace-static-x86_64: Process 7273 attached [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7273] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] lstat("./103/binderfs", [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7273] <... set_robust_list resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7273] memfd_create("syzkaller", 0 [pid 5009] unlink("./103/binderfs" [pid 5008] close(3 [pid 7273] <... memfd_create resumed>) = 3 [pid 5009] <... unlink resumed>) = 0 [pid 5009] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... close resumed>) = 0 [pid 7273] <... mmap resumed>) = 0x7f76a8756000 [pid 5008] rmdir("./103") = 0 [pid 5008] mkdir("./104", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 7271] <... write resumed>) = 4194304 [pid 7271] munmap(0x7f76a8756000, 4194304) = 0 [pid 7271] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7271] ioctl(4, LOOP_SET_FD, 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7271] <... ioctl resumed>) = 0 [pid 7271] close(3) = 0 [pid 7271] mkdir("./file0", 0777 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7274 [pid 7271] <... mkdir resumed>) = 0 [pid 7271] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7274 attached [pid 7274] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7274] chdir("./104") = 0 [pid 7274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7274] setpgid(0, 0) = 0 [pid 7274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7274] write(3, "1000", 4) = 4 [pid 7274] close(3) = 0 [pid 7274] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7274] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7274] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7274] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7276], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7276 [pid 7274] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 227.972664][ T7271] loop4: detected capacity change from 0 to 8192 [ 227.994163][ T7271] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7274] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7276 attached [pid 7276] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7276] memfd_create("syzkaller", 0) = 3 [ 228.017853][ T7271] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7273] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7276] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./103/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 228.063709][ T7271] REISERFS (device loop4): using ordered data mode [ 228.070756][ T7271] reiserfs: using flush barriers [ 228.078002][ T7271] 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 [ 228.095110][ T7271] REISERFS (device loop4): checking transaction log (loop4) [ 228.106290][ T7271] REISERFS (device loop4): Using r5 hash to sort names [pid 5009] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7273] <... write resumed>) = 4194304 [pid 5009] getdents64(4, [pid 7273] munmap(0x7f76a8756000, 4194304 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 7273] <... munmap resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7273] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] rmdir("./103/file0" [pid 7273] <... openat resumed>) = 4 [pid 5011] <... umount2 resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./103") = 0 [pid 5009] mkdir("./104", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [ 228.113425][ T7271] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.153246][ T7271] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7273] ioctl(4, LOOP_SET_FD, 3 [pid 5011] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3 [pid 7273] <... ioctl resumed>) = 0 [pid 7271] <... mount resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... close resumed>) = 0 [pid 7273] close(3 [pid 7271] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] lstat("./105/file0", [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7273] <... close resumed>) = 0 [pid 7271] <... openat resumed>) = 3 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7273] mkdir("./file0", 0777 [pid 7271] chdir("./file0" [pid 5011] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7277 ./strace-static-x86_64: Process 7277 attached [pid 7276] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7273] <... mkdir resumed>) = 0 [pid 7271] <... chdir resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7277] set_robust_list(0x555556dec5e0, 24 [pid 7273] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7271] ioctl(4, LOOP_CLR_FD [pid 5011] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7277] <... set_robust_list resumed>) = 0 [pid 7271] <... ioctl resumed>) = 0 [pid 5011] <... openat resumed>) = 4 [pid 7277] chdir("./104" [pid 7271] close(4 [pid 5011] fstat(4, [pid 7277] <... chdir resumed>) = 0 [pid 7271] <... close resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7271] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(4, [pid 7277] <... prctl resumed>) = 0 [pid 7271] <... futex resumed>) = 1 [pid 7270] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7277] setpgid(0, 0 [pid 7271] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(4, [pid 7277] <... setpgid resumed>) = 0 [pid 7271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7270] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7271] mkdir("./file1", 000 [pid 7270] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] close(4 [pid 7277] <... openat resumed>) = 3 [pid 7271] <... mkdir resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 7277] write(3, "1000", 4 [pid 7271] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] rmdir("./105/file0" [pid 7277] <... write resumed>) = 4 [pid 7271] <... futex resumed>) = 1 [pid 7270] <... futex resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 7277] close(3 [ 228.163747][ T7273] loop2: detected capacity change from 0 to 8192 [pid 7271] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(3, [pid 7277] <... close resumed>) = 0 [pid 7271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7270] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7277] symlink("/dev/binderfs", "./binderfs" [pid 7271] mkdir("./bus", 000 [pid 7270] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] close(3 [pid 7277] <... symlink resumed>) = 0 [pid 7271] <... mkdir resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 7277] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] rmdir("./105" [pid 7277] <... futex resumed>) = 0 [pid 7271] <... futex resumed>) = 1 [pid 7270] <... futex resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 7277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7271] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] mkdir("./106", 0777 [pid 7277] <... mmap resumed>) = 0x7f76b0b56000 [pid 7271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7270] <... futex resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 7277] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7271] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7270] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7277] <... mprotect resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 7277] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7277] <... clone resumed>, parent_tid=[7279], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7279 [pid 5011] close(3 [pid 7277] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... close resumed>) = 0 [pid 7277] <... futex resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7277] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7280 [ 228.209519][ T7273] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.236389][ T7271] overlayfs: upper fs needs to support d_type. [ 228.242924][ T7271] overlayfs: upper fs does not support tmpfile. ./strace-static-x86_64: Process 7279 attached [pid 7279] set_robust_list(0x7f76b0b769e0, 24./strace-static-x86_64: Process 7280 attached [pid 7280] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7280] chdir("./106" [pid 7279] <... set_robust_list resumed>) = 0 [pid 7270] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7280] <... chdir resumed>) = 0 [pid 7270] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7270] <... futex resumed>) = 0 [pid 7280] <... prctl resumed>) = 0 [pid 7270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7280] setpgid(0, 0 [pid 7270] <... mmap resumed>) = 0x7f76a8b35000 [pid 7280] <... setpgid resumed>) = 0 [pid 7270] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7270] <... mprotect resumed>) = 0 [pid 7280] <... openat resumed>) = 3 [pid 7270] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7280] write(3, "1000", 4 [pid 7279] memfd_create("syzkaller", 0 [pid 7280] <... write resumed>) = 4 [pid 7279] <... memfd_create resumed>) = 3 [pid 7270] <... clone resumed>, parent_tid=[7281], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7281 [pid 7280] close(3 [pid 7270] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] <... close resumed>) = 0 [pid 7270] <... futex resumed>) = 0 [pid 7280] symlink("/dev/binderfs", "./binderfs" [pid 7270] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7281 attached [pid 7280] <... symlink resumed>) = 0 [pid 7279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7281] set_robust_list(0x7f76a8b559e0, 24 [pid 7280] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] <... set_robust_list resumed>) = 0 [pid 7280] <... futex resumed>) = 0 [pid 7279] <... mmap resumed>) = 0x7f76a8756000 [pid 7281] mkdir(".", 0777 [pid 7280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7281] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7280] <... mmap resumed>) = 0x7f76b0b56000 [pid 7281] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7280] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7280] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7282], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7282 [pid 7280] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7280] <... futex resumed>) = 0 [pid 7280] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7271] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 228.259937][ T7273] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 228.270768][ T7271] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 228.280423][ T7271] overlayfs: failed to resolve './file0': -2 [ 228.287369][ T7273] REISERFS (device loop2): using ordered data mode [ 228.296591][ T7273] reiserfs: using flush barriers [pid 7271] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7282 attached [pid 7276] <... write resumed>) = 4194304 [pid 7282] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7281] <... mount resumed>) = -1 EINVAL (Invalid argument) [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 7276] munmap(0x7f76a8756000, 4194304 [pid 7282] memfd_create("syzkaller", 0 [pid 7281] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... munmap resumed>) = 0 [pid 7281] <... futex resumed>) = 1 [pid 7281] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7282] <... memfd_create resumed>) = 3 [pid 7276] ioctl(4, LOOP_SET_FD, 3 [ 228.321935][ T7281] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 228.338307][ T7273] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.356737][ T7273] REISERFS (device loop2): checking transaction log (loop2) [pid 7270] <... futex resumed>) = 0 [pid 7282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7276] <... ioctl resumed>) = 0 [pid 7276] close(3) = 0 [pid 7276] mkdir("./file0", 0777 [pid 7270] exit_group(0 [pid 7282] <... mmap resumed>) = 0x7f76a8756000 [pid 7281] <... futex resumed>) = ? [pid 7271] <... futex resumed>) = ? [pid 7270] <... exit_group resumed>) = ? [pid 7281] +++ exited with 0 +++ [pid 7271] +++ exited with 0 +++ [pid 7270] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7270, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7276] <... mkdir resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7276] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5012] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./105/binderfs") = 0 [ 228.367226][ T7276] loop0: detected capacity change from 0 to 8192 [ 228.367721][ T7273] REISERFS (device loop2): Using r5 hash to sort names [ 228.405141][ T7276] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5012] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 228.406141][ T7273] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.443389][ T7276] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7282] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] <... write resumed>) = 4194304 [pid 7279] munmap(0x7f76a8756000, 4194304) = 0 [pid 7279] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7279] ioctl(4, LOOP_SET_FD, 3 [pid 7273] <... mount resumed>) = 0 [pid 7273] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7273] chdir("./file0") = 0 [pid 7273] ioctl(4, LOOP_CLR_FD) = 0 [pid 7273] close(4 [ 228.483723][ T7273] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 228.486200][ T7276] REISERFS (device loop0): using ordered data mode [ 228.518780][ T7279] loop1: detected capacity change from 0 to 8192 [pid 7279] <... ioctl resumed>) = 0 [pid 7273] <... close resumed>) = 0 [pid 7279] close(3 [pid 7273] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... close resumed>) = 0 [pid 7273] <... futex resumed>) = 1 [pid 7272] <... futex resumed>) = 0 [pid 7279] mkdir("./file0", 0777 [pid 7273] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7272] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... mkdir resumed>) = 0 [pid 7273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7272] <... futex resumed>) = 0 [pid 7279] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7273] mkdir("./file1", 000 [pid 7272] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7273] <... mkdir resumed>) = 0 [pid 7273] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7272] <... futex resumed>) = 0 [pid 7273] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7272] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7272] <... futex resumed>) = 0 [ 228.545544][ T7276] reiserfs: using flush barriers [pid 7273] mkdir("./bus", 000) = 0 [pid 7273] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7273] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./105/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7272] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./105/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./105") = 0 [pid 5012] mkdir("./106", 0777 [pid 7272] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... mkdir resumed>) = 0 [pid 7273] <... futex resumed>) = 0 [pid 7272] <... futex resumed>) = 1 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 228.568108][ T7276] 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 [ 228.586179][ T7279] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.606604][ T7276] REISERFS (device loop0): checking transaction log (loop0) [pid 7273] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7272] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7285 [ 228.607434][ T7273] overlayfs: upper fs needs to support d_type. [ 228.614281][ T7279] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 228.621818][ T7276] REISERFS (device loop0): Using r5 hash to sort names [ 228.629577][ T7279] REISERFS (device loop1): using ordered data mode [ 228.643997][ T7279] reiserfs: using flush barriers [pid 7272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7272] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7285 attached ) = 0 [pid 7285] set_robust_list(0x555556dec5e0, 24 [pid 7272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7272] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7272] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7286 [pid 7272] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 228.663182][ T7279] 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 [ 228.666698][ T7273] overlayfs: upper fs does not support tmpfile. [ 228.684221][ T7279] REISERFS (device loop1): checking transaction log (loop1) [ 228.695061][ T7276] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.708343][ T7276] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7272] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7285] <... set_robust_list resumed>) = 0 [pid 7282] <... write resumed>) = 4194304 [pid 7276] <... mount resumed>) = 0 ./strace-static-x86_64: Process 7286 attached [pid 7285] chdir("./106" [pid 7286] set_robust_list(0x7f76a8b559e0, 24 [pid 7285] <... chdir resumed>) = 0 [pid 7286] <... set_robust_list resumed>) = 0 [pid 7285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7286] mkdir(".", 0777 [pid 7285] <... prctl resumed>) = 0 [pid 7286] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7285] setpgid(0, 0 [pid 7286] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7285] <... setpgid resumed>) = 0 [pid 7285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7282] munmap(0x7f76a8756000, 4194304 [pid 7276] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7285] <... openat resumed>) = 3 [pid 7285] write(3, "1000", 4) = 4 [pid 7285] close(3) = 0 [pid 7285] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7285] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7282] <... munmap resumed>) = 0 [pid 7285] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7276] <... openat resumed>) = 3 [pid 7285] <... mprotect resumed>) = 0 [ 228.711433][ T7279] REISERFS (device loop1): Using r5 hash to sort names [ 228.725153][ T7273] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 228.742029][ T7279] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.742393][ T7273] overlayfs: failed to resolve './file0': -2 [pid 7282] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7285] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7276] chdir("./file0" [pid 7282] <... openat resumed>) = 4 [pid 7279] <... mount resumed>) = 0 [pid 7276] <... chdir resumed>) = 0 [pid 7282] ioctl(4, LOOP_SET_FD, 3 [pid 7279] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7276] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 7287 attached [pid 7286] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7285] <... clone resumed>, parent_tid=[7287], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7287 [pid 7287] set_robust_list(0x7f76b0b769e0, 24 [pid 7286] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] <... set_robust_list resumed>) = 0 [pid 7286] <... futex resumed>) = 1 [pid 7285] <... futex resumed>) = 0 [pid 7272] <... futex resumed>) = 0 [pid 7287] memfd_create("syzkaller", 0 [pid 7286] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7285] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7287] <... memfd_create resumed>) = 3 [pid 7287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7279] <... openat resumed>) = 3 [pid 7276] <... ioctl resumed>) = 0 [pid 7279] chdir("./file0" [pid 7276] close(4 [pid 7282] <... ioctl resumed>) = 0 [pid 7279] <... chdir resumed>) = 0 [pid 7276] <... close resumed>) = 0 [pid 7282] close(3 [pid 7279] ioctl(4, LOOP_CLR_FD [pid 7276] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... close resumed>) = 0 [pid 7279] <... ioctl resumed>) = 0 [pid 7276] <... futex resumed>) = 1 [pid 7274] <... futex resumed>) = 0 [pid 7282] mkdir("./file0", 0777 [pid 7279] close(4 [pid 7276] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7274] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... mkdir resumed>) = 0 [pid 7279] <... close resumed>) = 0 [pid 7276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7274] <... futex resumed>) = 0 [pid 7282] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7279] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] mkdir("./file1", 000 [pid 7274] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7273] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7279] <... futex resumed>) = 1 [pid 7277] <... futex resumed>) = 0 [pid 7276] <... mkdir resumed>) = 0 [pid 7273] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] <... futex resumed>) = 0 [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] <... futex resumed>) = 0 [pid 7276] <... futex resumed>) = 1 [pid 7274] <... futex resumed>) = 0 [pid 7273] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 228.755011][ T7279] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 228.764169][ T7286] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 228.775074][ T7282] loop3: detected capacity change from 0 to 8192 [pid 7272] exit_group(0 [pid 7279] mkdir("./file1", 000 [pid 7277] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7276] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7279] <... mkdir resumed>) = 0 [pid 7279] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7279] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7286] <... futex resumed>) = ? [pid 7277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7274] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] <... futex resumed>) = ? [pid 7272] <... exit_group resumed>) = ? [pid 7286] +++ exited with 0 +++ [pid 7277] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = 1 [pid 7273] +++ exited with 0 +++ [pid 7276] mkdir("./bus", 000 [pid 7279] <... futex resumed>) = 0 [pid 7277] <... futex resumed>) = 1 [pid 7276] <... mkdir resumed>) = 0 [pid 7274] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7272] +++ exited with 0 +++ [pid 7279] mkdir("./bus", 000 [pid 7277] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7276] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7279] <... mkdir resumed>) = 0 [pid 7276] <... futex resumed>) = 0 [pid 7274] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7272, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7279] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7274] <... futex resumed>) = 0 [pid 5010] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7279] <... futex resumed>) = 1 [pid 7277] <... futex resumed>) = 0 [pid 7274] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7279] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] <... futex resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [ 228.826661][ T7282] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.859359][ T7276] overlayfs: upper fs needs to support d_type. [ 228.870358][ T7276] overlayfs: upper fs does not support tmpfile. [pid 7279] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7277] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./105/binderfs", [pid 7287] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./105/binderfs") = 0 [pid 5010] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 228.879208][ T7279] overlayfs: upper fs needs to support d_type. [ 228.890917][ T7279] overlayfs: upper fs does not support tmpfile. [ 228.905945][ T7282] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 228.911889][ T7276] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 228.917274][ T7282] REISERFS (device loop3): using ordered data mode [pid 7274] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7277] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7274] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] <... futex resumed>) = 0 [pid 7277] <... futex resumed>) = 0 [ 228.930040][ T7282] reiserfs: using flush barriers [ 228.934254][ T7279] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 228.938276][ T7282] 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 [ 228.958002][ T7276] overlayfs: failed to resolve './file0': -2 [ 228.959653][ T7282] REISERFS (device loop3): checking transaction log (loop3) [ 228.970082][ T7279] overlayfs: failed to resolve './file0': -2 [pid 7274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7274] <... mmap resumed>) = 0x7f76a8b35000 [pid 7277] <... mmap resumed>) = 0x7f76a8b35000 [pid 7274] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7277] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7274] <... mprotect resumed>) = 0 [pid 7277] <... mprotect resumed>) = 0 [pid 7274] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7276] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7276] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7277] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7276] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7274] <... clone resumed>, parent_tid=[7289], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7289 [pid 7274] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] <... clone resumed>, parent_tid=[7290], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7290 [pid 7274] <... futex resumed>) = 0 [pid 7277] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7277] <... futex resumed>) = 0 [pid 7277] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7279] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7279] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7279] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7290 attached [pid 7290] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7290] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7290] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 7289 attached [pid 7289] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7289] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7289] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... mount resumed>) = 0 [pid 7282] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 228.980620][ T7282] REISERFS (device loop3): Using r5 hash to sort names [ 228.989954][ T7282] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 229.006939][ T7282] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7282] chdir("./file0") = 0 [pid 7282] ioctl(4, LOOP_CLR_FD) = 0 [pid 7282] close(4) = 0 [pid 7282] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7280] <... futex resumed>) = 0 [pid 7282] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] <... futex resumed>) = 0 [pid 7282] mkdir("./file1", 000 [pid 7280] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7282] <... mkdir resumed>) = 0 [pid 7282] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7280] <... futex resumed>) = 0 [pid 7282] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] mkdir("./bus", 000 [pid 7280] <... futex resumed>) = 0 [pid 7282] <... mkdir resumed>) = 0 [pid 7282] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7282] <... futex resumed>) = 0 [pid 7280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7282] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] <... futex resumed>) = 0 [pid 7282] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7280] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7287] <... write resumed>) = 4194304 [pid 7287] munmap(0x7f76a8756000, 4194304) = 0 [pid 7290] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7290] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7277] <... futex resumed>) = 0 [pid 7277] exit_group(0 [pid 7279] <... futex resumed>) = ? [pid 7277] <... exit_group resumed>) = ? [pid 7279] +++ exited with 0 +++ [pid 7287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 229.060469][ T7290] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 229.076148][ T7289] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 229.103182][ T7282] overlayfs: upper fs needs to support d_type. [pid 7287] ioctl(4, LOOP_SET_FD, 3 [pid 7289] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7289] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7274] <... futex resumed>) = 0 [pid 7289] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7290] +++ exited with 0 +++ [pid 7277] +++ exited with 0 +++ [pid 7274] exit_group(0 [pid 7289] <... futex resumed>) = ? [pid 7276] <... futex resumed>) = ? [pid 7274] <... exit_group resumed>) = ? [pid 7289] +++ exited with 0 +++ [pid 7276] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7277, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7287] <... ioctl resumed>) = 0 [pid 7287] close(3 [pid 7274] +++ exited with 0 +++ [pid 7287] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7274, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5009] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5008] fstat(3, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, [pid 5008] getdents64(3, [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./104/binderfs", [pid 5008] lstat("./104/binderfs", [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./104/binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5008] unlink("./104/binderfs" [pid 5009] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7287] mkdir("./file0", 0777) = 0 [pid 7287] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7280] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7280] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 229.118466][ T7282] overlayfs: upper fs does not support tmpfile. [ 229.120035][ T7287] loop4: detected capacity change from 0 to 8192 [pid 7280] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7292], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7292 [pid 5010] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7292 attached [pid 7292] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7292] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7292] <... futex resumed>) = 0 [pid 7280] <... futex resumed>) = 1 [pid 7292] mkdir(".", 0777 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7280] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7292] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5010] lstat("./105/file0", [pid 7292] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./105/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [ 229.158906][ T7287] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.162579][ T7282] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 229.176387][ T7287] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 229.191390][ T7287] REISERFS (device loop4): using ordered data mode [ 229.204303][ T7287] reiserfs: using flush barriers [pid 5010] rmdir("./105") = 0 [pid 5010] mkdir("./106", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 229.211673][ T7287] 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 [ 229.236822][ T7292] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 229.247863][ T7287] REISERFS (device loop4): checking transaction log (loop4) [pid 5010] close(3) = 0 [pid 7292] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7292] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7280] <... futex resumed>) = 0 [pid 7292] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7293 [pid 7287] <... mount resumed>) = 0 [pid 7287] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7287] chdir("./file0") = 0 [pid 7287] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 7293 attached ) = 0 [pid 7293] set_robust_list(0x555556dec5e0, 24 [pid 7287] close(4 [pid 7293] <... set_robust_list resumed>) = 0 [pid 7287] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 7293] chdir("./106") = 0 [pid 7287] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7287] <... futex resumed>) = 1 [pid 7285] <... futex resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7293] setpgid(0, 0 [pid 7287] mkdir("./file1", 000 [pid 7285] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... setpgid resumed>) = 0 [pid 7285] <... futex resumed>) = 0 [pid 7287] <... mkdir resumed>) = 0 [pid 5009] lstat("./104/file0", [pid 7293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7285] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7293] <... openat resumed>) = 3 [pid 7287] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7293] write(3, "1000", 4 [pid 7287] <... futex resumed>) = 0 [pid 7285] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7293] <... write resumed>) = 4 [pid 7287] mkdir("./bus", 000 [pid 7285] <... futex resumed>) = 0 [pid 7293] close(3 [pid 7287] <... mkdir resumed>) = 0 [pid 7285] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7293] <... close resumed>) = 0 [pid 7287] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 229.264833][ T7282] overlayfs: failed to resolve './file0': -2 [ 229.272763][ T7287] REISERFS (device loop4): Using r5 hash to sort names [ 229.283000][ T7287] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 229.296515][ T7287] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7293] symlink("/dev/binderfs", "./binderfs" [pid 7287] <... futex resumed>) = 0 [pid 7285] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... symlink resumed>) = 0 [pid 7287] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7285] <... futex resumed>) = 0 [pid 5009] <... openat resumed>) = 4 [pid 7293] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] fstat(4, [pid 7293] <... futex resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] getdents64(4, [pid 7293] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7293] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7293] <... mprotect resumed>) = 0 [pid 5009] close(4 [pid 7293] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... close resumed>) = 0 [pid 5009] rmdir("./104/file0" [pid 7293] <... clone resumed>, parent_tid=[7294], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7294 [pid 5009] <... rmdir resumed>) = 0 [pid 7293] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] getdents64(3, [pid 7293] <... futex resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7293] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] close(3) = 0 [pid 5009] rmdir("./104"./strace-static-x86_64: Process 7294 attached ) = 0 [pid 7294] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] mkdir("./105", 0777 [pid 7294] <... set_robust_list resumed>) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7294] memfd_create("syzkaller", 0 [pid 5009] <... openat resumed>) = 3 [pid 7294] <... memfd_create resumed>) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 229.358610][ T7287] overlayfs: upper fs needs to support d_type. [ 229.365047][ T7287] overlayfs: upper fs does not support tmpfile. [pid 5009] close(3 [pid 7294] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... close resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7295 ./strace-static-x86_64: Process 7295 attached [pid 7295] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7295] chdir("./105") = 0 [pid 7295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7295] setpgid(0, 0) = 0 [pid 7295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7295] write(3, "1000", 4) = 4 [pid 7295] close(3) = 0 [pid 7295] symlink("/dev/binderfs", "./binderfs" [pid 7285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7285] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7295] <... symlink resumed>) = 0 [pid 7285] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7295] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... mprotect resumed>) = 0 [pid 7295] <... futex resumed>) = 0 [pid 7285] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7282] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7282] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] exit_group(0 [pid 7295] <... mmap resumed>) = 0x7f76b0b56000 [pid 7292] <... futex resumed>) = ? [pid 7285] <... clone resumed>, parent_tid=[7296], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7296 [ 229.408443][ T7287] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7282] <... futex resumed>) = ? [pid 7280] <... exit_group resumed>) = ? [pid 7295] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7285] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] +++ exited with 0 +++ ./strace-static-x86_64: Process 7296 attached [pid 7295] <... mprotect resumed>) = 0 [pid 7285] <... futex resumed>) = 0 [pid 7296] set_robust_list(0x7f76a8b559e0, 24 [pid 7295] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7285] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7296] <... set_robust_list resumed>) = 0 [pid 7296] mkdir(".", 0777 [pid 7295] <... clone resumed>, parent_tid=[7297], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7297 [pid 7296] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7295] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... futex resumed>) = 0 [pid 7295] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7297 attached [pid 7297] set_robust_list(0x7f76b0b769e0, 24 [pid 7292] +++ exited with 0 +++ [pid 7280] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7280, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7297] <... set_robust_list resumed>) = 0 [pid 7297] memfd_create("syzkaller", 0) = 3 [pid 7297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7297] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, [pid 7294] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7287] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 7287] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(3, [pid 7287] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7287] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./106/binderfs", [pid 5008] lstat("./104/file0", [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./106/binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5008] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./104/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./104" [pid 7296] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7296] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... rmdir resumed>) = 0 [ 229.449935][ T7287] overlayfs: failed to resolve './file0': -2 [ 229.477521][ T7296] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] mkdir("./105", 0777 [pid 7296] <... futex resumed>) = 1 [pid 7285] <... futex resumed>) = 0 [pid 7296] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7285] exit_group(0 [pid 5008] <... mkdir resumed>) = 0 [pid 7296] <... futex resumed>) = ? [pid 7287] <... futex resumed>) = ? [pid 7285] <... exit_group resumed>) = ? [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7296] +++ exited with 0 +++ [pid 7287] +++ exited with 0 +++ [pid 7285] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7285, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7298 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./106/binderfs") = 0 [pid 5012] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7298 attached [pid 7298] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7298] chdir("./105" [pid 7294] <... write resumed>) = 4194304 [pid 7298] <... chdir resumed>) = 0 [pid 7294] munmap(0x7f76a8756000, 4194304 [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 [pid 7294] <... munmap resumed>) = 0 [pid 7298] <... openat resumed>) = 3 [pid 7298] write(3, "1000", 4 [pid 7294] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7298] <... write resumed>) = 4 [pid 7298] close(3 [pid 7294] <... openat resumed>) = 4 [pid 7298] <... close resumed>) = 0 [pid 7294] ioctl(4, LOOP_SET_FD, 3 [pid 7298] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7298] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7294] <... ioctl resumed>) = 0 [pid 7298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7294] close(3 [pid 7298] <... mmap resumed>) = 0x7f76b0b56000 [pid 7294] <... close resumed>) = 0 [pid 7298] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7294] mkdir("./file0", 0777 [pid 7298] <... mprotect resumed>) = 0 [pid 7298] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7294] <... mkdir resumed>) = 0 [pid 7298] <... clone resumed>, parent_tid=[7299], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7299 [pid 7298] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7298] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7294] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7299 attached [pid 7299] set_robust_list(0x7f76b0b769e0, 24) = 0 [ 229.626769][ T7294] loop2: detected capacity change from 0 to 8192 [pid 7299] memfd_create("syzkaller", 0) = 3 [pid 5011] <... umount2 resumed>) = 0 [pid 7299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./106/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7299] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] <... openat resumed>) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./106/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [ 229.671795][ T7294] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.686014][ T7294] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [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 5011] rmdir("./106") = 0 [pid 5011] mkdir("./107", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7297] <... write resumed>) = 4194304 [pid 5011] <... openat resumed>) = 3 [pid 7297] munmap(0x7f76a8756000, 4194304 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3 [pid 7297] <... munmap resumed>) = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7301 ./strace-static-x86_64: Process 7301 attached [pid 7301] set_robust_list(0x555556dec5e0, 24 [pid 7297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5012] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7297] <... openat resumed>) = 4 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 229.724904][ T7294] REISERFS (device loop2): using ordered data mode [ 229.750636][ T7294] reiserfs: using flush barriers [ 229.757584][ T7294] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7301] <... set_robust_list resumed>) = 0 [pid 7297] ioctl(4, LOOP_SET_FD, 3 [pid 5012] lstat("./106/file0", [pid 7301] chdir("./107") = 0 [pid 7301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7301] setpgid(0, 0) = 0 [pid 7301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7301] write(3, "1000", 4) = 4 [pid 7301] close(3) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7301] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7301] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7297] <... ioctl resumed>) = 0 [pid 7301] <... mmap resumed>) = 0x7f76b0b56000 [pid 7301] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7301] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7302 [pid 7301] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7301] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7302 attached [pid 7302] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7302] memfd_create("syzkaller", 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7302] <... memfd_create resumed>) = 3 [pid 7297] close(3 [pid 7302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7297] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7297] mkdir("./file0", 0777 [pid 7294] <... mount resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 7297] <... mkdir resumed>) = 0 [pid 5012] fstat(4, [pid 7297] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7294] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7294] <... openat resumed>) = 3 [pid 5012] getdents64(4, [pid 7294] chdir("./file0" [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7294] <... chdir resumed>) = 0 [pid 5012] getdents64(4, [pid 7294] ioctl(4, LOOP_CLR_FD [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [ 229.775670][ T7294] REISERFS (device loop2): checking transaction log (loop2) [ 229.784179][ T7297] loop1: detected capacity change from 0 to 8192 [ 229.792556][ T7294] REISERFS (device loop2): Using r5 hash to sort names [ 229.800715][ T7294] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 229.814947][ T7294] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5012] close(4) = 0 [pid 7294] <... ioctl resumed>) = 0 [pid 5012] rmdir("./106/file0" [pid 7294] close(4) = 0 [ 229.833104][ T7297] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.855301][ T7297] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 229.864847][ T7297] REISERFS (device loop1): using ordered data mode [ 229.873040][ T7297] reiserfs: using flush barriers [pid 5012] <... rmdir 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 7294] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 7299] <... write resumed>) = 4194304 [pid 7294] <... futex resumed>) = 1 [pid 7293] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7299] munmap(0x7f76a8756000, 4194304 [pid 7294] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] close(3 [pid 7299] <... munmap resumed>) = 0 [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 7299] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7293] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] rmdir("./106" [pid 7299] <... openat resumed>) = 4 [pid 5012] <... rmdir resumed>) = 0 [pid 7299] ioctl(4, LOOP_SET_FD, 3 [pid 5012] mkdir("./107", 0777 [pid 7294] mkdir("./file1", 000 [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7294] <... mkdir resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 7294] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7294] <... futex resumed>) = 1 [pid 7293] <... futex resumed>) = 0 [pid 7294] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 229.885500][ T7297] 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 [ 229.904704][ T7297] REISERFS (device loop1): checking transaction log (loop1) [ 229.916292][ T7297] REISERFS (device loop1): Using r5 hash to sort names [ 229.920833][ T7299] loop0: detected capacity change from 0 to 8192 [pid 5012] close(3 [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7304 [pid 7299] <... ioctl resumed>) = 0 [pid 7299] close(3) = 0 [pid 7299] mkdir("./file0", 0777) = 0 [pid 7299] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7294] mkdir("./bus", 000 [pid 7293] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] <... mkdir resumed>) = 0 [pid 7294] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7304 attached ) = 1 [pid 7293] <... futex resumed>) = 0 [pid 7294] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] set_robust_list(0x555556dec5e0, 24 [pid 7294] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7293] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7304] <... set_robust_list resumed>) = 0 [pid 7304] chdir("./107") = 0 [pid 7304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7304] setpgid(0, 0) = 0 [pid 7304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7304] write(3, "1000", 4) = 4 [pid 7304] close(3) = 0 [pid 7304] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7304] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7304] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7304] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7306 [pid 7304] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 229.943932][ T7297] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 229.964199][ T7294] overlayfs: upper fs needs to support d_type. [ 229.971093][ T7299] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7304] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7293] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7306 attached [pid 7302] <... write resumed>) = 4194304 [pid 7293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7297] <... mount resumed>) = 0 [pid 7297] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7297] chdir("./file0") = 0 [pid 7297] ioctl(4, LOOP_CLR_FD) = 0 [pid 7297] close(4) = 0 [pid 7297] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7297] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] <... futex resumed>) = 0 [pid 7293] <... mmap resumed>) = 0x7f76a8b35000 [pid 7295] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7306] set_robust_list(0x7f76b0b769e0, 24 [pid 7302] munmap(0x7f76a8756000, 4194304 [pid 7297] <... futex resumed>) = 0 [pid 7295] <... futex resumed>) = 1 [pid 7293] <... mprotect resumed>) = 0 [pid 7297] mkdir("./file1", 000 [pid 7295] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7293] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7297] <... mkdir resumed>) = 0 [pid 7297] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... set_robust_list resumed>) = 0 [pid 7302] <... munmap resumed>) = 0 [pid 7297] <... futex resumed>) = 1 [pid 7295] <... futex resumed>) = 0 [ 230.008124][ T7294] overlayfs: upper fs does not support tmpfile. [ 230.015481][ T7297] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 230.022351][ T7299] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 230.028387][ T7294] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 230.045447][ T7299] REISERFS (device loop0): using ordered data mode [ 230.052928][ T7299] reiserfs: using flush barriers [pid 7297] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] memfd_create("syzkaller", 0 [pid 7302] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7295] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... clone resumed>, parent_tid=[7307], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7307 ./strace-static-x86_64: Process 7307 attached [pid 7307] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7307] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] <... memfd_create resumed>) = 3 [pid 7297] mkdir("./bus", 000 [pid 7295] <... futex resumed>) = 0 [pid 7293] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... openat resumed>) = 4 [pid 7307] <... futex resumed>) = 0 [pid 7306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7302] ioctl(4, LOOP_SET_FD, 3 [pid 7297] <... mkdir resumed>) = 0 [pid 7295] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7293] <... futex resumed>) = 1 [pid 7307] mkdir(".", 0777 [pid 7306] <... mmap resumed>) = 0x7f76a8756000 [pid 7297] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7295] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] <... futex resumed>) = 0 [pid 7307] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7295] <... futex resumed>) = 0 [pid 7307] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7297] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7295] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] <... ioctl resumed>) = 0 [pid 7302] close(3) = 0 [pid 7302] mkdir("./file0", 0777) = 0 [ 230.055525][ T7294] overlayfs: failed to resolve './file0': -2 [ 230.065789][ T7299] 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 [ 230.083962][ T7299] REISERFS (device loop0): checking transaction log (loop0) [ 230.086510][ T7302] loop3: detected capacity change from 0 to 8192 [pid 7302] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7294] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7294] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7294] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7299] <... mount resumed>) = 0 [pid 7299] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7299] chdir("./file0") = 0 [pid 7299] ioctl(4, LOOP_CLR_FD) = 0 [pid 7299] close(4) = 0 [pid 7299] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = 0 [pid 7298] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7298] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... futex resumed>) = 1 [pid 7299] mkdir("./file1", 000) = 0 [pid 7299] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = 0 [pid 7298] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7298] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... futex resumed>) = 1 [pid 7299] mkdir("./bus", 000 [pid 7295] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7295] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [ 230.107704][ T7299] REISERFS (device loop0): Using r5 hash to sort names [ 230.109451][ T7297] overlayfs: upper fs needs to support d_type. [ 230.114841][ T7299] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 230.135894][ T7297] overlayfs: upper fs does not support tmpfile. [ 230.137463][ T7299] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 230.146018][ T7297] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7299] <... mkdir resumed>) = 0 [pid 7299] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = 0 [pid 7298] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7298] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... futex resumed>) = 1 [pid 7299] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7295] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7295] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7309 [pid 7295] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 230.167186][ T7302] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 230.173166][ T7299] overlayfs: upper fs needs to support d_type. [ 230.187702][ T7307] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 230.188481][ T7299] overlayfs: upper fs does not support tmpfile. [pid 7295] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7309 attached [pid 7306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7298] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7298] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7309] mkdir(".", 0777) = -1 EEXIST (File exists) [ 230.213542][ T7299] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 230.218791][ T7297] overlayfs: failed to resolve './file0': -2 [ 230.227337][ T7302] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 230.237364][ T7302] REISERFS (device loop3): using ordered data mode [ 230.244375][ T7302] reiserfs: using flush barriers [ 230.251065][ T7302] 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 7309] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7307] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7298] <... futex resumed>) = 0 [pid 7307] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7307] <... futex resumed>) = 1 [pid 7293] <... futex resumed>) = 0 [pid 7307] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] <... mmap resumed>) = 0x7f76a8b35000 [pid 7297] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7293] exit_group(0 [pid 7309] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7307] <... futex resumed>) = ? [pid 7299] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7298] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7297] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] <... futex resumed>) = ? [pid 7293] <... exit_group resumed>) = ? [ 230.267936][ T7302] REISERFS (device loop3): checking transaction log (loop3) [ 230.273035][ T7309] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 230.278410][ T7299] overlayfs: failed to resolve './file0': -2 [ 230.304140][ T7302] REISERFS (device loop3): Using r5 hash to sort names [pid 7309] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] +++ exited with 0 +++ [pid 7298] <... mprotect resumed>) = 0 [pid 7294] +++ exited with 0 +++ [pid 7293] +++ exited with 0 +++ [pid 7309] <... futex resumed>) = 1 [pid 7298] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7295] <... futex resumed>) = 0 [pid 7309] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] exit_group(0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7293, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7309] <... futex resumed>) = ? [pid 7299] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... clone resumed>, parent_tid=[7310], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7310 [pid 7297] <... futex resumed>) = ? [pid 7295] <... exit_group resumed>) = ? [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7309] +++ exited with 0 +++ [pid 7298] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... restart_syscall resumed>) = 0 [pid 7298] <... futex resumed>) = 0 [pid 7298] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7299] <... futex resumed>) = 0 [pid 5010] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7297] +++ exited with 0 +++ [pid 7295] +++ exited with 0 +++ [pid 5010] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7310 attached [pid 7302] <... mount resumed>) = 0 [pid 7299] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... openat resumed>) = 3 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7295, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 7310] set_robust_list(0x7f76a8b559e0, 24 [pid 7302] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] fstat(3, [pid 7310] <... set_robust_list resumed>) = 0 [pid 7302] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7310] mkdir(".", 0777 [pid 7302] chdir("./file0" [pid 5010] getdents64(3, [pid 7310] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7302] <... chdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7310] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] ioctl(4, LOOP_CLR_FD [pid 5010] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7302] <... ioctl resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7302] close(4 [ 230.311465][ T7302] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 230.325402][ T7302] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5010] lstat("./106/binderfs", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7302] <... close resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7302] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] unlink("./106/binderfs" [pid 5009] <... openat resumed>) = 3 [pid 7302] <... futex resumed>) = 1 [pid 7301] <... futex resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] fstat(3, [pid 7310] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7306] <... write resumed>) = 4194304 [pid 7302] mkdir("./file1", 000 [pid 7301] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7310] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] munmap(0x7f76a8756000, 4194304 [pid 7302] <... mkdir resumed>) = 0 [pid 7301] <... futex resumed>) = 0 [pid 7301] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7310] <... futex resumed>) = 1 [pid 7306] <... munmap resumed>) = 0 [pid 7302] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = 0 [pid 7310] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7302] <... futex resumed>) = 1 [pid 5009] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7306] <... openat resumed>) = 4 [pid 7302] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7301] <... futex resumed>) = 0 [pid 7298] exit_group(0 [pid 7306] ioctl(4, LOOP_SET_FD, 3 [pid 7310] <... futex resumed>) = ? [pid 7306] <... ioctl resumed>) = 0 [pid 7301] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] <... futex resumed>) = ? [pid 7298] <... exit_group resumed>) = ? [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7306] close(3 [pid 7302] <... futex resumed>) = 0 [pid 7301] <... futex resumed>) = 1 [pid 7310] +++ exited with 0 +++ [pid 7306] <... close resumed>) = 0 [pid 7302] mkdir("./bus", 000 [pid 7301] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] +++ exited with 0 +++ [pid 7298] +++ exited with 0 +++ [pid 5009] lstat("./105/binderfs", [pid 7306] mkdir("./file0", 0777 [pid 7302] <... mkdir resumed>) = 0 [pid 7306] <... mkdir resumed>) = 0 [pid 7302] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7306] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7302] <... futex resumed>) = 1 [pid 7301] <... futex resumed>) = 0 [pid 5009] unlink("./105/binderfs" [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7298, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 7302] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7301] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7301] <... futex resumed>) = 0 [pid 7302] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7301] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... unlink resumed>) = 0 [pid 5008] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 230.358211][ T7310] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 230.387342][ T7306] loop4: detected capacity change from 0 to 8192 [ 230.404864][ T7302] overlayfs: upper fs needs to support d_type. [ 230.412272][ T7302] overlayfs: upper fs does not support tmpfile. [pid 5008] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./105/binderfs") = 0 [pid 5008] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7301] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7301] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7301] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7312], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7312 [pid 7301] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 230.421767][ T7302] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 230.429496][ T7306] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 230.445094][ T7306] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7301] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7312 attached [pid 7312] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7312] mkdir(".", 0777) = -1 EEXIST (File exists) [ 230.486865][ T7302] overlayfs: failed to resolve './file0': -2 [ 230.498936][ T7306] REISERFS (device loop4): using ordered data mode [ 230.506142][ T7306] reiserfs: using flush barriers [ 230.514440][ T7306] 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 7312] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... umount2 resumed>) = 0 [pid 7302] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7302] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7302] <... futex resumed>) = 0 [pid 7302] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] lstat("./106/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./106/file0") = 0 [pid 5010] getdents64(3, [pid 7312] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 230.532071][ T7306] REISERFS (device loop4): checking transaction log (loop4) [ 230.546605][ T7306] REISERFS (device loop4): Using r5 hash to sort names [ 230.553759][ T7306] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 230.569944][ T7312] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7312] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] close(3 [pid 7312] <... futex resumed>) = 1 [pid 7301] <... futex resumed>) = 0 [pid 7312] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... close resumed>) = 0 [pid 7301] exit_group(0 [pid 7312] <... futex resumed>) = ? [pid 7302] <... futex resumed>) = ? [pid 7301] <... exit_group resumed>) = ? [pid 5010] rmdir("./106" [pid 7302] +++ exited with 0 +++ [pid 5010] <... rmdir resumed>) = 0 [pid 5010] mkdir("./107", 0777 [pid 7312] +++ exited with 0 +++ [pid 7301] +++ exited with 0 +++ [pid 5010] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7301, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5011] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... openat resumed>) = 3 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5011] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = 0 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7306] <... mount resumed>) = 0 [pid 5011] lstat("./107/binderfs", [pid 5010] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] lstat("./105/file0", [pid 7306] <... openat resumed>) = 3 [pid 5011] unlink("./107/binderfs" [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7306] chdir("./file0" [pid 5011] <... unlink resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7306] <... chdir resumed>) = 0 [pid 5011] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7313 [pid 5009] lstat("./105/file0", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7306] ioctl(4, LOOP_CLR_FD [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7306] <... ioctl resumed>) = 0 [pid 5009] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 4 [pid 7306] close(4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(4, [pid 7306] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7306] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... openat resumed>) = 4 [pid 5008] getdents64(4, [pid 7306] <... futex resumed>) = 1 [pid 7304] <... futex resumed>) = 0 [pid 5009] fstat(4, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 7313 attached [pid 7306] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 7313] set_robust_list(0x555556dec5e0, 24 [pid 7306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] <... futex resumed>) = 0 [pid 5009] getdents64(4, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7313] <... set_robust_list resumed>) = 0 [pid 7306] mkdir("./file1", 000 [pid 7304] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] close(4 [pid 7306] <... mkdir resumed>) = 0 [pid 5009] getdents64(4, [pid 5008] <... close resumed>) = 0 [pid 7306] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] rmdir("./105/file0" [pid 7313] chdir("./107" [pid 7306] <... futex resumed>) = 0 [pid 7304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] close(4 [pid 5008] <... rmdir resumed>) = 0 [pid 7313] <... chdir resumed>) = 0 [pid 7306] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 7313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] <... futex resumed>) = 0 [pid 5009] rmdir("./105/file0" [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7313] <... prctl resumed>) = 0 [pid 7306] mkdir("./bus", 000 [pid 7304] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... rmdir resumed>) = 0 [pid 5008] close(3 [pid 7313] setpgid(0, 0 [pid 7306] <... mkdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] <... close resumed>) = 0 [pid 7313] <... setpgid resumed>) = 0 [pid 7306] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] rmdir("./105" [pid 7313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7306] <... futex resumed>) = 1 [pid 7304] <... futex resumed>) = 0 [pid 5009] close(3 [pid 5008] <... rmdir resumed>) = 0 [pid 7313] <... openat resumed>) = 3 [pid 7306] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... close resumed>) = 0 [pid 5008] mkdir("./106", 0777 [pid 7313] write(3, "1000", 4 [pid 7306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] <... futex resumed>) = 0 [pid 5009] rmdir("./105" [pid 5008] <... mkdir resumed>) = 0 [pid 7313] <... write resumed>) = 4 [pid 7306] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 230.642791][ T7306] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7304] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... rmdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7313] close(3 [pid 5009] mkdir("./106", 0777 [pid 5008] <... openat resumed>) = 3 [pid 7313] <... close resumed>) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7313] symlink("/dev/binderfs", "./binderfs" [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7313] <... symlink resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] close(3 [pid 7313] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5008] <... close resumed>) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] close(3) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7314 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7315 ./strace-static-x86_64: Process 7314 attached [pid 7314] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7314] chdir("./106" [pid 7313] <... futex resumed>) = 0 [pid 7313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7314] <... chdir resumed>) = 0 [pid 7314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7313] <... mmap resumed>) = 0x7f76b0b56000 [pid 7314] <... prctl resumed>) = 0 [pid 7314] setpgid(0, 0 [pid 7313] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7314] <... setpgid resumed>) = 0 [pid 7314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7313] <... mprotect resumed>) = 0 [pid 7314] <... openat resumed>) = 3 [pid 7313] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7314] write(3, "1000", 4) = 4 [pid 7313] <... clone resumed>, parent_tid=[7316], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7316 [ 230.702388][ T7306] overlayfs: upper fs needs to support d_type. [ 230.713387][ T7306] overlayfs: upper fs does not support tmpfile. [pid 7314] close(3 [pid 7313] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7314] <... close resumed>) = 0 [pid 7313] <... futex resumed>) = 0 [pid 7304] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7316 attached ./strace-static-x86_64: Process 7315 attached [pid 7314] symlink("/dev/binderfs", "./binderfs" [pid 7313] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7304] <... futex resumed>) = 0 [pid 7316] set_robust_list(0x7f76b0b769e0, 24 [pid 7315] set_robust_list(0x555556dec5e0, 24 [pid 7314] <... symlink resumed>) = 0 [pid 7304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7314] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7304] <... mmap resumed>) = 0x7f76a8b35000 [pid 7316] <... set_robust_list resumed>) = 0 [pid 7315] <... set_robust_list resumed>) = 0 [pid 7314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7304] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7314] <... mmap resumed>) = 0x7f76b0b56000 [pid 7314] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7304] <... mprotect resumed>) = 0 [pid 7316] memfd_create("syzkaller", 0 [pid 7314] <... mprotect resumed>) = 0 [pid 7304] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7316] <... memfd_create resumed>) = 3 [pid 7315] chdir("./106" [pid 7314] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7315] <... chdir resumed>) = 0 [pid 7304] <... clone resumed>, parent_tid=[7317], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7317 [pid 7314] <... clone resumed>, parent_tid=[7318], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7318 [pid 7304] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... mmap resumed>) = 0x7f76a8756000 [pid 7315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7314] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] <... futex resumed>) = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 7315] <... prctl resumed>) = 0 [pid 7314] <... futex resumed>) = 0 [pid 7304] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7317 attached [pid 7314] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7317] set_robust_list(0x7f76a8b559e0, 24 [pid 7315] setpgid(0, 0 [pid 5011] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7318 attached [pid 7317] <... set_robust_list resumed>) = 0 [pid 7318] set_robust_list(0x7f76b0b769e0, 24 [pid 7317] mkdir(".", 0777 [pid 7318] <... set_robust_list resumed>) = 0 [pid 7317] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7315] <... setpgid resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7318] memfd_create("syzkaller", 0 [pid 7317] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... memfd_create resumed>) = 3 [pid 7315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] lstat("./107/file0", [ 230.754510][ T7306] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7315] <... openat resumed>) = 3 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7316] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7315] write(3, "1000", 4 [pid 5011] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7306] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7315] <... write resumed>) = 4 [pid 7306] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7315] close(3 [pid 5011] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7315] <... close resumed>) = 0 [pid 7306] <... futex resumed>) = 0 [pid 5011] <... openat resumed>) = 4 [pid 7315] symlink("/dev/binderfs", "./binderfs" [pid 5011] fstat(4, [pid 7315] <... symlink resumed>) = 0 [pid 7306] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7315] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(4, [pid 7315] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] getdents64(4, [pid 7315] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7315] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] close(4 [pid 7315] <... mprotect resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 7315] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] rmdir("./107/file0") = 0 [pid 7315] <... clone resumed>, parent_tid=[7319], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7319 [pid 5011] getdents64(3, [pid 7315] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7315] <... futex resumed>) = 0 [pid 5011] close(3 [pid 7315] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./107") = 0 [pid 5011] mkdir("./108", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 ./strace-static-x86_64: Process 7319 attached [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7319] set_robust_list(0x7f76b0b769e0, 24 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7319] <... set_robust_list resumed>) = 0 [pid 5011] close(3 [pid 7319] memfd_create("syzkaller", 0 [pid 5011] <... close resumed>) = 0 [pid 7319] <... memfd_create resumed>) = 3 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7320 [pid 7317] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7320 attached [ 230.799276][ T7306] overlayfs: failed to resolve './file0': -2 [ 230.816021][ T7317] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7317] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7304] <... futex resumed>) = 0 [pid 7320] set_robust_list(0x555556dec5e0, 24 [pid 7317] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] exit_group(0 [pid 7320] <... set_robust_list resumed>) = 0 [pid 7317] <... futex resumed>) = ? [pid 7306] <... futex resumed>) = ? [pid 7304] <... exit_group resumed>) = ? [pid 7317] +++ exited with 0 +++ [pid 7306] +++ exited with 0 +++ [pid 7304] +++ exited with 0 +++ [pid 7320] chdir("./108" [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7304, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...> [pid 7320] <... chdir resumed>) = 0 [pid 5012] <... restart_syscall resumed>) = 0 [pid 7320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5012] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7320] setpgid(0, 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7320] <... setpgid resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... openat resumed>) = 3 [pid 7320] <... openat resumed>) = 3 [pid 5012] fstat(3, [pid 7320] write(3, "1000", 4 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7320] <... write resumed>) = 4 [pid 5012] getdents64(3, [pid 7320] close(3 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7320] <... close resumed>) = 0 [pid 5012] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7320] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./107/binderfs", [pid 7320] <... symlink resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7320] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] unlink("./107/binderfs" [pid 7320] <... futex resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 7320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7320] <... mmap resumed>) = 0x7f76b0b56000 [pid 7320] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7320] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7320] <... clone resumed>, parent_tid=[7321], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7321 [pid 7320] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7320] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7321 attached [pid 7321] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7321] memfd_create("syzkaller", 0) = 3 [pid 7321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7316] <... write resumed>) = 4194304 [pid 7316] munmap(0x7f76a8756000, 4194304) = 0 [pid 7316] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [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 [pid 7316] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7316] close(3) = 0 [pid 7316] mkdir("./file0", 0777) = 0 [ 230.979535][ T7316] loop2: detected capacity change from 0 to 8192 [pid 7316] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7321] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7318] <... write resumed>) = 4194304 [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./107/file0", [pid 7318] munmap(0x7f76a8756000, 4194304 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7318] <... munmap resumed>) = 0 [pid 5012] getdents64(4, [pid 7318] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, [pid 7318] <... openat resumed>) = 4 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7318] ioctl(4, LOOP_SET_FD, 3 [ 231.026610][ T7316] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.043674][ T7316] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5012] close(4) = 0 [pid 5012] rmdir("./107/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./107") = 0 [pid 5012] mkdir("./108", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7323 ./strace-static-x86_64: Process 7323 attached [pid 7323] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7323] chdir("./108") = 0 [pid 7323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7323] setpgid(0, 0 [pid 7318] <... ioctl resumed>) = 0 [pid 7323] <... setpgid resumed>) = 0 [pid 7319] <... write resumed>) = 4194304 [pid 7318] close(3 [pid 7323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7318] <... close resumed>) = 0 [pid 7323] <... openat resumed>) = 3 [pid 7318] mkdir("./file0", 0777 [pid 7323] write(3, "1000", 4 [pid 7318] <... mkdir resumed>) = 0 [pid 7323] <... write resumed>) = 4 [ 231.073596][ T7318] loop0: detected capacity change from 0 to 8192 [ 231.085383][ T7316] REISERFS (device loop2): using ordered data mode [ 231.091956][ T7316] reiserfs: using flush barriers [pid 7318] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7323] close(3) = 0 [pid 7323] symlink("/dev/binderfs", "./binderfs" [pid 7319] munmap(0x7f76a8756000, 4194304 [pid 7323] <... symlink resumed>) = 0 [pid 7323] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7319] <... munmap resumed>) = 0 [pid 7319] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7319] ioctl(4, LOOP_SET_FD, 3 [pid 7323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7319] <... ioctl resumed>) = 0 [pid 7319] close(3) = 0 [pid 7319] mkdir("./file0", 0777 [pid 7323] <... mmap resumed>) = 0x7f76b0b56000 [ 231.114253][ T7316] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.136369][ T7316] REISERFS (device loop2): checking transaction log (loop2) [ 231.136593][ T7318] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.145316][ T7319] loop1: detected capacity change from 0 to 8192 [ 231.165984][ T7318] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7323] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7319] <... mkdir resumed>) = 0 [pid 7321] <... write resumed>) = 4194304 [pid 7323] <... mprotect resumed>) = 0 [pid 7321] munmap(0x7f76a8756000, 4194304 [pid 7319] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7323] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7321] <... munmap resumed>) = 0 [pid 7321] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7323] <... clone resumed>, parent_tid=[7325], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7325 [pid 7321] <... openat resumed>) = 4 [pid 7323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] ioctl(4, LOOP_SET_FD, 3 [pid 7323] <... futex resumed>) = 0 [pid 7323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7325 attached [pid 7325] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7325] memfd_create("syzkaller", 0) = 3 [pid 7325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7316] <... mount resumed>) = 0 [pid 7316] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7316] chdir("./file0") = 0 [pid 7316] ioctl(4, LOOP_CLR_FD) = 0 [ 231.175699][ T7316] REISERFS (device loop2): Using r5 hash to sort names [ 231.182873][ T7316] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.196485][ T7316] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 231.197110][ T7321] loop3: detected capacity change from 0 to 8192 [ 231.213930][ T7318] REISERFS (device loop0): using ordered data mode [pid 7316] close(4) = 0 [pid 7316] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = 0 [pid 7313] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7313] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7316] <... futex resumed>) = 1 [pid 7316] mkdir("./file1", 000) = 0 [pid 7316] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = 0 [pid 7313] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7313] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7316] <... futex resumed>) = 1 [pid 7316] mkdir("./bus", 000) = 0 [pid 7316] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = 0 [pid 7313] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7313] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7316] <... futex resumed>) = 1 [pid 7316] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7321] <... ioctl resumed>) = 0 [pid 7321] close(3) = 0 [pid 7321] mkdir("./file0", 0777) = 0 [ 231.224921][ T7319] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.242749][ T7316] overlayfs: upper fs needs to support d_type. [ 231.251765][ T7316] overlayfs: upper fs does not support tmpfile. [ 231.260793][ T7318] reiserfs: using flush barriers [ 231.262468][ T7316] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7321] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7313] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7313] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7313] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7328 [pid 7313] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7313] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7328 attached [ 231.272487][ T7319] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 231.274385][ T7321] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.296572][ T7318] 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 [ 231.299105][ T7316] overlayfs: failed to resolve './file0': -2 [ 231.313414][ T7319] REISERFS (device loop1): using ordered data mode [pid 7328] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7328] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7328] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7325] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7316] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7316] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 231.320182][ T7321] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 231.338761][ T7321] REISERFS (device loop3): using ordered data mode [ 231.347832][ T7319] reiserfs: using flush barriers [ 231.358252][ T7321] reiserfs: using flush barriers [ 231.360934][ T7328] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 231.367807][ T7318] REISERFS (device loop0): checking transaction log (loop0) [ 231.377183][ T7319] 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 [ 231.384248][ T7321] 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 [ 231.406429][ T7318] REISERFS (device loop0): Using r5 hash to sort names [pid 7316] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7328] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7328] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = 0 [pid 7313] exit_group(0 [pid 7316] <... futex resumed>) = ? [pid 7313] <... exit_group resumed>) = ? [pid 7316] +++ exited with 0 +++ [pid 7328] <... futex resumed>) = ? [pid 7328] +++ exited with 0 +++ [pid 7313] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7313, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [ 231.417144][ T7321] REISERFS (device loop3): checking transaction log (loop3) [ 231.431953][ T7318] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.439947][ T7319] REISERFS (device loop1): checking transaction log (loop1) [ 231.457812][ T7321] REISERFS (device loop3): Using r5 hash to sort names [ 231.464994][ T7321] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7325] <... write resumed>) = 4194304 [pid 7318] <... mount resumed>) = 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5010] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7325] munmap(0x7f76a8756000, 4194304 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7325] <... munmap resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7325] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7325] <... openat resumed>) = 4 [pid 5010] lstat("./107/binderfs", [pid 7325] ioctl(4, LOOP_SET_FD, 3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7321] <... mount resumed>) = 0 [pid 5010] unlink("./107/binderfs") = 0 [ 231.475433][ T7318] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 231.478841][ T7321] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 231.496903][ T7319] REISERFS (device loop1): Using r5 hash to sort names [ 231.504084][ T7319] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.509951][ T7325] loop4: detected capacity change from 0 to 8192 [pid 5010] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7318] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7318] chdir("./file0") = 0 [pid 7325] <... ioctl resumed>) = 0 [pid 7321] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7319] <... mount resumed>) = 0 [pid 7325] close(3 [pid 7321] <... openat resumed>) = 3 [pid 7319] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7325] <... close resumed>) = 0 [pid 7321] chdir("./file0" [pid 7319] <... openat resumed>) = 3 [pid 7325] mkdir("./file0", 0777 [pid 7321] <... chdir resumed>) = 0 [pid 7319] chdir("./file0" [pid 7325] <... mkdir resumed>) = 0 [pid 7321] ioctl(4, LOOP_CLR_FD [pid 7319] <... chdir resumed>) = 0 [pid 7325] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7321] <... ioctl resumed>) = 0 [pid 7319] ioctl(4, LOOP_CLR_FD [pid 7321] close(4 [pid 7319] <... ioctl resumed>) = 0 [pid 7321] <... close resumed>) = 0 [pid 7319] close(4 [pid 7318] ioctl(4, LOOP_CLR_FD [pid 7321] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... ioctl resumed>) = 0 [pid 7318] close(4 [pid 7321] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7319] <... close resumed>) = 0 [ 231.517821][ T7319] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 231.546042][ T7325] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.562841][ T7325] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7318] <... close resumed>) = 0 [pid 7321] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] <... futex resumed>) = 0 [pid 7319] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] mkdir("./file1", 000 [pid 7320] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] <... futex resumed>) = 1 [pid 7318] <... futex resumed>) = 1 [pid 7315] <... futex resumed>) = 0 [pid 7314] <... futex resumed>) = 0 [pid 7321] <... mkdir resumed>) = 0 [pid 7319] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7318] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7315] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] <... futex resumed>) = 0 [pid 7321] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7319] mkdir("./file1", 000 [pid 7318] mkdir("./file1", 000 [pid 7315] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7314] <... futex resumed>) = 0 [pid 7321] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... mkdir resumed>) = 0 [pid 7321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] <... futex resumed>) = 0 [pid 7319] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] mkdir("./bus", 000 [pid 7320] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] <... futex resumed>) = 1 [pid 7318] <... mkdir resumed>) = 0 [pid 7315] <... futex resumed>) = 0 [ 231.592010][ T7325] REISERFS (device loop4): using ordered data mode [ 231.598892][ T7325] reiserfs: using flush barriers [pid 7314] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] <... mkdir resumed>) = 0 [pid 7319] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7318] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7321] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7318] <... futex resumed>) = 0 [pid 7315] <... futex resumed>) = 0 [pid 7314] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = 0 [pid 7321] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7319] mkdir("./bus", 000 [pid 7318] mkdir("./bus", 000 [pid 7315] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7314] <... futex resumed>) = 0 [pid 5010] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7321] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... mkdir resumed>) = 0 [pid 7318] <... mkdir resumed>) = 0 [pid 7314] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] <... futex resumed>) = 0 [pid 7319] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 231.637557][ T7325] 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 [ 231.659840][ T7325] REISERFS (device loop4): checking transaction log (loop4) [ 231.675287][ T7325] REISERFS (device loop4): Using r5 hash to sort names [pid 7318] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7321] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7320] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] <... futex resumed>) = 1 [pid 7318] <... futex resumed>) = 0 [pid 7315] <... futex resumed>) = 0 [pid 7314] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7318] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7315] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7325] <... mount resumed>) = 0 [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] <... futex resumed>) = 0 [pid 7314] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 231.683518][ T7321] overlayfs: upper fs needs to support d_type. [ 231.683535][ T7325] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.693984][ T7318] overlayfs: upper fs needs to support d_type. [ 231.706504][ T7325] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 231.723969][ T7321] overlayfs: upper fs does not support tmpfile. [pid 5010] lstat("./107/file0", [pid 7325] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7319] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7315] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7325] <... openat resumed>) = 3 [pid 7320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7320] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7320] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7325] chdir("./file0" [pid 7320] <... mprotect resumed>) = 0 [pid 5010] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7325] <... chdir resumed>) = 0 [pid 7320] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7330], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7330 [pid 7320] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7320] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7325] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 7330 attached [pid 5010] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7325] <... ioctl resumed>) = 0 [ 231.735062][ T7319] overlayfs: upper fs needs to support d_type. [ 231.735660][ T7318] overlayfs: upper fs does not support tmpfile. [ 231.749004][ T7318] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 231.749430][ T7319] overlayfs: upper fs does not support tmpfile. [ 231.758359][ T7318] overlayfs: failed to resolve './file0': -2 [ 231.773426][ T7321] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7330] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7325] close(4 [pid 7318] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... openat resumed>) = 4 [pid 7330] mkdir(".", 0777 [pid 7325] <... close resumed>) = 0 [pid 7318] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7314] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7315] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... futex resumed>) = 0 [pid 7314] <... futex resumed>) = 0 [pid 7315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7314] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7330] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... futex resumed>) = 0 [pid 7315] <... mmap resumed>) = 0x7f76a8b35000 [pid 5010] fstat(4, [pid 7315] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7330] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7325] <... futex resumed>) = 1 [pid 7323] <... futex resumed>) = 0 [pid 7318] mkdir(".", 0777 [pid 7315] <... mprotect resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7325] mkdir("./file1", 000 [pid 7323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7315] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] getdents64(4, [pid 7323] <... futex resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7325] <... mkdir resumed>) = 0 [pid 7323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7318] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7315] <... clone resumed>, parent_tid=[7331], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7331 [pid 5010] getdents64(4, [pid 7325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] <... futex resumed>) = 0 [pid 7315] <... futex resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7325] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] close(4./strace-static-x86_64: Process 7331 attached [pid 7325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7323] <... futex resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 7325] mkdir("./bus", 000 [pid 7323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] rmdir("./107/file0" [pid 7331] set_robust_list(0x7f76a8b559e0, 24 [pid 7325] <... mkdir resumed>) = 0 [pid 7331] <... set_robust_list resumed>) = 0 [pid 7331] mkdir(".", 0777 [pid 7325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... rmdir resumed>) = 0 [pid 7331] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7325] <... futex resumed>) = 1 [pid 7323] <... futex resumed>) = 0 [pid 5010] getdents64(3, [ 231.781806][ T7319] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 231.790882][ T7319] overlayfs: failed to resolve './file0': -2 [ 231.826581][ T7321] overlayfs: failed to resolve './file0': -2 [pid 7331] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7325] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7331] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7331] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... futex resumed>) = 0 [pid 7331] <... futex resumed>) = 1 [pid 7331] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7330] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7330] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = 1 [pid 7330] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7323] <... futex resumed>) = 0 [pid 5010] close(3) = 0 [ 231.827132][ T7330] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 231.843319][ T7331] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 231.856130][ T7318] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 231.876568][ T7325] overlayfs: upper fs needs to support d_type. [pid 7323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] rmdir("./107") = 0 [pid 7318] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] mkdir("./108", 0777 [pid 7318] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... mkdir resumed>) = 0 [pid 7318] <... futex resumed>) = 1 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7318] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] <... futex resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 7314] exit_group(0 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7318] <... futex resumed>) = ? [pid 7314] <... exit_group resumed>) = ? [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7318] +++ exited with 0 +++ [pid 5010] close(3 [pid 7325] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7314] +++ exited with 0 +++ [pid 5010] <... close resumed>) = 0 [pid 7325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7323] <... futex resumed>) = 0 [pid 7325] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7323] <... futex resumed>) = 0 [pid 7325] mkdir(".", 0777 [pid 7323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7325] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7325] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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 ENOENT (No such file or directory) [pid 7319] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7321] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] exit_group(0 [pid 7319] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7314, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7330] <... futex resumed>) = ? [pid 7321] <... futex resumed>) = ? [pid 7320] <... exit_group resumed>) = ? [ 231.883049][ T7325] overlayfs: upper fs does not support tmpfile. [ 231.891049][ T7325] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 231.903082][ T7325] overlayfs: failed to resolve './file0': -2 [ 231.924546][ T7325] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7319] <... futex resumed>) = 0 [pid 7315] exit_group(0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7332 [pid 7331] <... futex resumed>) = ? [pid 7330] +++ exited with 0 +++ [pid 7321] +++ exited with 0 +++ [pid 7320] +++ exited with 0 +++ [pid 7315] <... exit_group resumed>) = ? [pid 7331] +++ exited with 0 +++ [pid 7319] +++ exited with 0 +++ [pid 7315] +++ exited with 0 +++ [pid 5008] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7332 attached [pid 7325] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7320, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7315, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=28 /* 0.28 s */} --- [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7332] set_robust_list(0x555556dec5e0, 24 [pid 7325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 7332] <... set_robust_list resumed>) = 0 [pid 7325] <... futex resumed>) = 1 [pid 7323] <... futex resumed>) = 0 [pid 5011] <... restart_syscall resumed>) = 0 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7332] chdir("./108" [pid 7325] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7323] exit_group(0 [pid 7332] <... chdir resumed>) = 0 [pid 7325] <... futex resumed>) = ? [pid 7323] <... exit_group resumed>) = ? [pid 5008] <... openat resumed>) = 3 [pid 7332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7325] +++ exited with 0 +++ [pid 5011] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(3, [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7332] <... prctl resumed>) = 0 [pid 7323] +++ exited with 0 +++ [pid 5011] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 7332] setpgid(0, 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7323, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5011] <... openat resumed>) = 3 [pid 5009] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7332] <... setpgid resumed>) = 0 [pid 5012] restart_syscall(<... resuming interrupted clone ...> [pid 5011] fstat(3, [pid 5009] <... openat resumed>) = 3 [pid 5008] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... restart_syscall resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] fstat(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7332] <... openat resumed>) = 3 [pid 5011] getdents64(3, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] lstat("./106/binderfs", [pid 7332] write(3, "1000", 4 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7332] <... write resumed>) = 4 [pid 5012] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] unlink("./106/binderfs" [pid 7332] close(3 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 7332] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] lstat("./108/binderfs", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7332] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... openat resumed>) = 3 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] lstat("./106/binderfs", [pid 7332] <... symlink resumed>) = 0 [pid 7332] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(3, [pid 5011] unlink("./108/binderfs" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7332] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5009] unlink("./106/binderfs" [pid 7332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] getdents64(3, [pid 5011] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7332] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] <... unlink resumed>) = 0 [pid 7332] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7332] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7332] <... clone resumed>, parent_tid=[7333], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7333 [pid 5012] lstat("./108/binderfs", [pid 7332] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7332] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] unlink("./108/binderfs") = 0 [pid 5012] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7333 attached [pid 7333] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7333] memfd_create("syzkaller", 0) = 3 [pid 7333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./106/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... umount2 resumed>) = 0 [pid 5011] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./108/file0", [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] lstat("./108/file0", [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5011] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] rmdir("./106/file0" [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5012] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... openat resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 5011] fstat(4, [pid 5008] rmdir("./106") = 0 [pid 5012] fstat(4, [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] mkdir("./107", 0777 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 5008] <... mkdir resumed>) = 0 [pid 5012] getdents64(4, [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 5008] <... openat resumed>) = 3 [pid 5012] getdents64(4, [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 5012] close(4 [pid 5011] <... close resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] <... close resumed>) = 0 [pid 5011] rmdir("./108/file0" [pid 5008] close(3 [pid 5012] rmdir("./108/file0" [pid 5011] <... rmdir resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] getdents64(3, [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] getdents64(3, [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... close resumed>) = 0 [pid 5012] close(3 [pid 5011] rmdir("./108" [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7334 [pid 5012] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5012] rmdir("./108" [pid 5011] mkdir("./109", 0777 [pid 5012] <... rmdir resumed>) = 0 [pid 5012] mkdir("./109", 0777 [pid 5011] <... mkdir resumed>) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5012] <... openat resumed>) = 3 [pid 5011] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] close(3 [pid 5011] close(3./strace-static-x86_64: Process 7334 attached [pid 7333] <... write resumed>) = 4194304 [pid 5012] <... close resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 7334] set_robust_list(0x555556dec5e0, 24 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7333] munmap(0x7f76a8756000, 4194304 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7335 [pid 7334] <... set_robust_list resumed>) = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7336 [pid 7334] chdir("./107"./strace-static-x86_64: Process 7335 attached [pid 7335] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7335] chdir("./109" [pid 7334] <... chdir resumed>) = 0 [pid 7334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7335] <... chdir resumed>) = 0 [pid 7335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7334] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7336 attached [pid 7335] <... prctl resumed>) = 0 [pid 7334] setpgid(0, 0 [pid 7333] <... munmap resumed>) = 0 [pid 7336] set_robust_list(0x555556dec5e0, 24 [pid 7335] setpgid(0, 0 [pid 7334] <... setpgid resumed>) = 0 [pid 7333] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7336] <... set_robust_list resumed>) = 0 [pid 7335] <... setpgid resumed>) = 0 [pid 7334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7336] chdir("./109" [pid 7333] <... openat resumed>) = 4 [pid 7336] <... chdir resumed>) = 0 [pid 7335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7334] <... openat resumed>) = 3 [pid 7333] ioctl(4, LOOP_SET_FD, 3 [pid 5009] <... umount2 resumed>) = 0 [pid 7336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7335] <... openat resumed>) = 3 [pid 7334] write(3, "1000", 4 [pid 7335] write(3, "1000", 4) = 4 [pid 7335] close(3) = 0 [pid 7335] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7335] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5009] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7336] <... prctl resumed>) = 0 [pid 7335] <... mmap resumed>) = 0x7f76b0b56000 [pid 7334] <... write resumed>) = 4 [pid 7333] <... ioctl resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7336] setpgid(0, 0 [pid 7335] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7334] close(3 [pid 7333] close(3 [pid 7336] <... setpgid resumed>) = 0 [pid 7335] <... mprotect resumed>) = 0 [pid 7334] <... close resumed>) = 0 [pid 7333] <... close resumed>) = 0 [pid 5009] lstat("./106/file0", [pid 7336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7335] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7334] symlink("/dev/binderfs", "./binderfs" [pid 7333] mkdir("./file0", 0777 [pid 7336] <... openat resumed>) = 3 [pid 7334] <... symlink resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7336] write(3, "1000", 4 [pid 7335] <... clone resumed>, parent_tid=[7337], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7337 [pid 7334] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... mkdir resumed>) = 0 [pid 5009] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7336] <... write resumed>) = 4 [pid 7335] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = 0 [pid 7333] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7337 attached [pid 7336] close(3 [pid 7335] <... futex resumed>) = 0 [pid 7334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7337] set_robust_list(0x7f76b0b769e0, 24 [pid 7336] <... close resumed>) = 0 [pid 7335] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7334] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] <... openat resumed>) = 4 [pid 7337] <... set_robust_list resumed>) = 0 [pid 7336] symlink("/dev/binderfs", "./binderfs" [pid 7334] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] fstat(4, [pid 7337] memfd_create("syzkaller", 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7337] <... memfd_create resumed>) = 3 [pid 5009] getdents64(4, [pid 7337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7337] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] getdents64(4, [pid 7336] <... symlink resumed>) = 0 [pid 7334] <... mprotect resumed>) = 0 [pid 7336] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] clone(child_stack=0x7f76b0b763f0, 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 7339 attached [pid 7336] <... futex resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7334] <... clone resumed>, parent_tid=[7339], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7339 [pid 7336] <... mmap resumed>) = 0x7f76b0b56000 [pid 7334] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7334] <... futex resumed>) = 0 [pid 7339] set_robust_list(0x7f76b0b769e0, 24 [pid 7336] <... mprotect resumed>) = 0 [pid 7334] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] close(4 [pid 7339] <... set_robust_list resumed>) = 0 [pid 7336] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... close resumed>) = 0 [pid 7339] memfd_create("syzkaller", 0 [pid 7336] <... clone resumed>, parent_tid=[7340], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7340 [pid 5009] rmdir("./106/file0" [pid 7339] <... memfd_create resumed>) = 3 [pid 7336] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7336] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] <... rmdir resumed>) = 0 [ 232.225981][ T7333] loop2: detected capacity change from 0 to 8192 [ 232.260120][ T7333] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 ./strace-static-x86_64: Process 7340 attached [pid 7339] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] getdents64(3, [pid 7340] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7340] <... set_robust_list resumed>) = 0 [pid 5009] close(3 [pid 7340] memfd_create("syzkaller", 0 [pid 5009] <... close resumed>) = 0 [pid 5009] rmdir("./106" [pid 7340] <... memfd_create resumed>) = 3 [pid 5009] <... rmdir resumed>) = 0 [pid 7340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] mkdir("./107", 0777 [pid 7340] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... mkdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3 [pid 7337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... close resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7341 ./strace-static-x86_64: Process 7341 attached [pid 7341] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7341] chdir("./107") = 0 [pid 7341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7341] setpgid(0, 0) = 0 [pid 7341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7341] write(3, "1000", 4) = 4 [ 232.280598][ T7333] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 232.292056][ T7333] REISERFS (device loop2): using ordered data mode [ 232.300407][ T7333] reiserfs: using flush barriers [ 232.310516][ T7333] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7341] close(3) = 0 [pid 7341] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7341] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7341] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7340] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7341] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7342], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7342 [pid 7341] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7341] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7342 attached [pid 7342] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7342] memfd_create("syzkaller", 0) = 3 [pid 7339] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 232.392325][ T7333] REISERFS (device loop2): checking transaction log (loop2) [pid 7340] <... write resumed>) = 4194304 [pid 7340] munmap(0x7f76a8756000, 4194304) = 0 [ 232.435870][ T7333] REISERFS (device loop2): Using r5 hash to sort names [ 232.445657][ T7333] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7340] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7340] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7340] close(3) = 0 [pid 7340] mkdir("./file0", 0777) = 0 [pid 7340] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7342] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7333] <... mount resumed>) = 0 [pid 7333] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7333] chdir("./file0") = 0 [pid 7333] ioctl(4, LOOP_CLR_FD) = 0 [pid 7333] close(4) = 0 [pid 7333] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7333] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7332] <... futex resumed>) = 0 [ 232.497246][ T7340] loop3: detected capacity change from 0 to 8192 [ 232.503818][ T7333] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7332] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... futex resumed>) = 0 [pid 7332] <... futex resumed>) = 1 [pid 7337] <... write resumed>) = 4194304 [pid 7333] mkdir("./file1", 000 [pid 7332] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7333] <... mkdir resumed>) = 0 [pid 7333] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7332] <... futex resumed>) = 0 [pid 7333] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7332] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7332] <... futex resumed>) = 0 [pid 7333] mkdir("./bus", 000 [pid 7332] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7337] munmap(0x7f76a8756000, 4194304 [pid 7333] <... mkdir resumed>) = 0 [pid 7337] <... munmap resumed>) = 0 [pid 7333] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7332] <... futex resumed>) = 0 [pid 7333] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7332] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7332] <... futex resumed>) = 0 [pid 7333] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7332] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7337] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 232.536025][ T7340] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.562009][ T7333] overlayfs: upper fs needs to support d_type. [ 232.568351][ T7333] overlayfs: upper fs does not support tmpfile. [ 232.575393][ T7333] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 232.584012][ T7333] overlayfs: failed to resolve './file0': -2 [ 232.589227][ T7337] loop4: detected capacity change from 0 to 8192 [pid 7337] ioctl(4, LOOP_SET_FD, 3 [pid 7339] <... write resumed>) = 4194304 [pid 7339] munmap(0x7f76a8756000, 4194304) = 0 [pid 7337] <... ioctl resumed>) = 0 [pid 7339] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7333] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7339] <... openat resumed>) = 4 [pid 7337] close(3 [pid 7333] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7339] ioctl(4, LOOP_SET_FD, 3 [pid 7333] <... futex resumed>) = 0 [pid 7337] <... close resumed>) = 0 [pid 7332] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] mkdir("./file0", 0777 [pid 7332] <... futex resumed>) = 0 [pid 7337] <... mkdir resumed>) = 0 [pid 7332] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7337] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7339] <... ioctl resumed>) = 0 [pid 7333] mkdir(".", 0777 [pid 7339] close(3 [pid 7333] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7339] <... close resumed>) = 0 [pid 7333] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 232.598735][ T7340] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 232.617735][ T7340] REISERFS (device loop3): using ordered data mode [ 232.627324][ T7339] loop0: detected capacity change from 0 to 8192 [ 232.633602][ T7340] reiserfs: using flush barriers [pid 7339] mkdir("./file0", 0777 [pid 7342] <... write resumed>) = 4194304 [pid 7339] <... mkdir resumed>) = 0 [pid 7342] munmap(0x7f76a8756000, 4194304 [pid 7339] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7342] <... munmap resumed>) = 0 [pid 7342] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 232.643832][ T7337] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.657768][ T7337] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 232.667135][ T7337] REISERFS (device loop4): using ordered data mode [ 232.673815][ T7340] 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 [ 232.675543][ T7342] loop1: detected capacity change from 0 to 8192 [pid 7342] ioctl(4, LOOP_SET_FD, 3 [pid 7333] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7333] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7333] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7332] <... futex resumed>) = 0 [ 232.692272][ T7333] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 232.710752][ T7339] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.711145][ T7337] reiserfs: using flush barriers [ 232.723930][ T7339] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 232.738894][ T7340] REISERFS (device loop3): checking transaction log (loop3) [pid 7332] exit_group(0) = ? [pid 7342] <... ioctl resumed>) = 0 [pid 7342] close(3) = 0 [pid 7342] mkdir("./file0", 0777 [pid 7333] <... futex resumed>) = ? [pid 7342] <... mkdir resumed>) = 0 [pid 7342] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7333] +++ exited with 0 +++ [pid 7332] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7332, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5010] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 232.748168][ T7340] REISERFS (device loop3): Using r5 hash to sort names [ 232.755547][ T7340] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.766039][ T7342] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.769522][ T7339] REISERFS (device loop0): using ordered data mode [ 232.788739][ T7339] reiserfs: using flush barriers [pid 5010] lstat("./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./108/binderfs") = 0 [pid 5010] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7340] <... mount resumed>) = 0 [ 232.793908][ T7337] 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 [ 232.805663][ T7340] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 232.811680][ T7342] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 232.820574][ T7337] REISERFS (device loop4): checking transaction log (loop4) [pid 7340] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7340] chdir("./file0") = 0 [pid 7340] ioctl(4, LOOP_CLR_FD) = 0 [pid 7340] close(4) = 0 [ 232.831945][ T7339] 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 [ 232.836932][ T7342] REISERFS (device loop1): using ordered data mode [ 232.860076][ T7342] reiserfs: using flush barriers [ 232.865140][ T7337] REISERFS (device loop4): Using r5 hash to sort names [ 232.876598][ T7342] 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 [ 232.883379][ T7339] REISERFS (device loop0): checking transaction log (loop0) [pid 7340] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7336] <... futex resumed>) = 0 [pid 7340] mkdir("./file1", 000 [pid 7336] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7336] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] <... mkdir resumed>) = 0 [pid 7340] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7336] <... futex resumed>) = 0 [pid 7336] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7336] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] mkdir("./bus", 000) = 0 [pid 7340] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7336] <... futex resumed>) = 0 [pid 7340] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7336] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 232.901966][ T7337] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.926355][ T7340] overlayfs: upper fs needs to support d_type. [ 232.932618][ T7340] overlayfs: upper fs does not support tmpfile. [ 232.943604][ T7339] REISERFS (device loop0): Using r5 hash to sort names [pid 7336] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7336] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7336] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 232.961165][ T7340] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 232.972166][ T7342] REISERFS (device loop1): checking transaction log (loop1) [ 232.981446][ T7339] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.985536][ T7337] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7336] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... umount2 resumed>) = 0 [pid 7336] <... clone resumed>, parent_tid=[7347], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7347 [pid 7336] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7336] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7347 attached [pid 7347] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7347] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7347] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./108/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [ 233.009415][ T7340] overlayfs: failed to resolve './file0': -2 [ 233.026882][ T7342] REISERFS (device loop1): Using r5 hash to sort names [ 233.034152][ T7342] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 233.035934][ T7347] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7340] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7337] <... mount resumed>) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./108/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./108") = 0 [pid 5010] mkdir("./109", 0777) = 0 [pid 7340] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7340] <... futex resumed>) = 0 [pid 7337] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 7340] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] chdir("./file0" [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7337] <... chdir resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7348 [pid 7339] <... mount resumed>) = 0 [pid 7339] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7339] chdir("./file0") = 0 [pid 7339] ioctl(4, LOOP_CLR_FD [pid 7337] ioctl(4, LOOP_CLR_FD) = 0 [pid 7339] <... ioctl resumed>) = 0 [pid 7339] close(4) = 0 [pid 7337] close(4) = 0 [pid 7337] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = 0 [pid 7337] <... futex resumed>) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7334] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] mkdir("./file1", 000 [pid 7335] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = 0 [pid 7337] <... mkdir resumed>) = 0 [pid 7335] <... futex resumed>) = 0 [pid 7334] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] <... futex resumed>) = 1 [pid 7337] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] mkdir("./file1", 000 [pid 7337] <... futex resumed>) = 0 [pid 7335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7339] <... mkdir resumed>) = 0 [pid 7337] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7335] <... futex resumed>) = 0 [pid 7339] <... futex resumed>) = 1 [pid 7337] mkdir("./bus", 000 [pid 7335] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7334] <... futex resumed>) = 0 [pid 7339] mkdir("./bus", 000 [pid 7334] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... mkdir resumed>) = 0 [pid 7339] <... mkdir resumed>) = 0 [pid 7337] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = 0 [pid 7339] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... futex resumed>) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7334] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] <... futex resumed>) = 0 [pid 7337] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7339] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7335] <... futex resumed>) = 0 [ 233.048570][ T7342] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 233.073311][ T7339] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7334] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7335] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7334] <... futex resumed>) = 0 [pid 7339] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7334] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7347] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7347] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] <... futex resumed>) = 0 [pid 7336] exit_group(0) = ? [pid 7347] <... futex resumed>) = ? [pid 7347] +++ exited with 0 +++ [pid 7342] <... mount resumed>) = 0 ./strace-static-x86_64: Process 7348 attached [pid 7340] <... futex resumed>) = ? [pid 7342] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7342] chdir("./file0") = 0 [pid 7342] ioctl(4, LOOP_CLR_FD) = 0 [pid 7342] close(4) = 0 [pid 7342] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7342] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7348] set_robust_list(0x555556dec5e0, 24 [pid 7340] +++ exited with 0 +++ [pid 7341] <... futex resumed>) = 0 [pid 7336] +++ exited with 0 +++ [pid 7348] <... set_robust_list resumed>) = 0 [pid 7348] chdir("./109" [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7336, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7348] <... chdir resumed>) = 0 [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 7348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7341] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... restart_syscall resumed>) = 0 [pid 7348] <... prctl resumed>) = 0 [pid 7348] setpgid(0, 0 [pid 7342] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = 1 [pid 7348] <... setpgid resumed>) = 0 [pid 7342] mkdir("./file1", 000 [pid 7341] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7342] <... mkdir resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7348] <... openat resumed>) = 3 [ 233.107947][ T7337] overlayfs: upper fs needs to support d_type. [ 233.114813][ T7339] overlayfs: upper fs needs to support d_type. [ 233.115831][ T7337] overlayfs: upper fs does not support tmpfile. [ 233.134817][ T7337] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 233.135893][ T7339] overlayfs: upper fs does not support tmpfile. [pid 7342] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7348] write(3, "1000", 4 [pid 7342] <... futex resumed>) = 0 [pid 7334] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] <... openat resumed>) = 3 [pid 7348] <... write resumed>) = 4 [pid 7342] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7334] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] fstat(3, [pid 7348] close(3 [pid 7334] <... futex resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7348] <... close resumed>) = 0 [pid 7334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] getdents64(3, [pid 7348] symlink("/dev/binderfs", "./binderfs" [pid 7334] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7348] <... symlink resumed>) = 0 [pid 7341] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7334] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5011] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7348] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... futex resumed>) = 1 [pid 7335] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... mprotect resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7342] <... futex resumed>) = 0 [pid 7348] <... futex resumed>) = 0 [pid 7334] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] lstat("./109/binderfs", [pid 7348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7342] mkdir("./bus", 000 [pid 7341] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7335] <... futex resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7348] <... mmap resumed>) = 0x7f76b0b56000 [pid 7342] <... mkdir resumed>) = 0 [pid 7335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7334] <... clone resumed>, parent_tid=[7349], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7349 [pid 5011] unlink("./109/binderfs" [pid 7348] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7342] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] <... mmap resumed>) = 0x7f76a8b35000 [pid 7334] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... unlink resumed>) = 0 [pid 7348] <... mprotect resumed>) = 0 [pid 7342] <... futex resumed>) = 1 [pid 7341] <... futex resumed>) = 0 [pid 7335] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7334] <... futex resumed>) = 0 [ 233.153874][ T7337] overlayfs: failed to resolve './file0': -2 [pid 5011] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7349 attached [pid 7348] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7342] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7335] <... mprotect resumed>) = 0 [pid 7334] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7349] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7348] <... clone resumed>, parent_tid=[7350], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7350 [pid 7349] mkdir(".", 0777 [pid 7348] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7341] <... futex resumed>) = 0 [pid 7335] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7349] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7348] <... futex resumed>) = 0 [pid 7342] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7341] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7349] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7348] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7351 attached ./strace-static-x86_64: Process 7350 attached [pid 7337] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] set_robust_list(0x7f76a8b559e0, 24 [pid 7350] set_robust_list(0x7f76b0b769e0, 24 [pid 7337] <... futex resumed>) = 0 [pid 7335] <... clone resumed>, parent_tid=[7351], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7351 [pid 7339] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7351] <... set_robust_list resumed>) = 0 [pid 7350] <... set_robust_list resumed>) = 0 [pid 7339] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] mkdir(".", 0777 [pid 7350] memfd_create("syzkaller", 0 [pid 7339] <... futex resumed>) = 0 [pid 7335] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7339] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7351] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7350] <... memfd_create resumed>) = 3 [pid 7341] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7351] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 233.184021][ T7342] overlayfs: upper fs needs to support d_type. [ 233.186209][ T7339] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 233.199578][ T7339] overlayfs: failed to resolve './file0': -2 [ 233.204649][ T7349] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 233.225520][ T7342] overlayfs: upper fs does not support tmpfile. [pid 7350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7341] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7341] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7352 [pid 7341] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7341] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7352 attached [pid 7352] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7352] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7352] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7349] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7349] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = 0 [pid 7334] exit_group(0 [pid 7339] <... futex resumed>) = ? [pid 7334] <... exit_group resumed>) = ? [pid 7339] +++ exited with 0 +++ [pid 7349] <... futex resumed>) = ? [ 233.236083][ T7342] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 233.253521][ T7342] overlayfs: failed to resolve './file0': -2 [ 233.266564][ T7351] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7351] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7351] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7351] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] exit_group(0 [pid 7351] <... futex resumed>) = ? [pid 7337] <... futex resumed>) = ? [pid 7335] <... exit_group resumed>) = ? [pid 7349] +++ exited with 0 +++ [pid 7337] +++ exited with 0 +++ [pid 7334] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7334, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7351] +++ exited with 0 +++ [pid 7335] +++ exited with 0 +++ [pid 7350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7335, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5012] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [ 233.289733][ T7352] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5012] fstat(3, [pid 5008] fstat(3, [pid 7342] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7342] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 5008] getdents64(3, [pid 7342] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7342] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./109/binderfs", [pid 5008] lstat("./107/binderfs", [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./109/binderfs" [pid 5008] unlink("./107/binderfs" [pid 5012] <... unlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5012] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7352] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7352] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7341] <... futex resumed>) = 0 [pid 7352] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] exit_group(0 [pid 7352] <... futex resumed>) = ? [pid 7342] <... futex resumed>) = ? [pid 7341] <... exit_group resumed>) = ? [pid 7352] +++ exited with 0 +++ [pid 7342] +++ exited with 0 +++ [pid 7341] +++ exited with 0 +++ [pid 5011] <... umount2 resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7341, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5009] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./107/binderfs", [pid 5011] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] unlink("./107/binderfs" [pid 5011] lstat("./109/file0", [pid 5009] <... unlink resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 5011] rmdir("./109/file0" [pid 5012] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... rmdir resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] getdents64(3, [pid 5012] lstat("./109/file0", [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] close(3 [pid 5012] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... close resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] rmdir("./109" [pid 5012] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... rmdir resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 5011] mkdir("./110", 0777 [pid 5012] fstat(4, [pid 5011] <... mkdir resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5012] getdents64(4, [pid 5011] <... openat resumed>) = 3 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] <... close resumed>) = 0 [pid 5011] close(3 [pid 5012] rmdir("./109/file0" [pid 5011] <... close resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./109") = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7353 [pid 5012] mkdir("./110", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 7353 attached [pid 7353] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7353] chdir("./110") = 0 [pid 7353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7353] setpgid(0, 0) = 0 [pid 7353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7353] write(3, "1000", 4) = 4 [pid 7353] close(3) = 0 [pid 7353] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7353] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7353] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7353] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7354 [pid 7353] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7353] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7354 attached [pid 7354] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7354] memfd_create("syzkaller", 0) = 3 [pid 7354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7355 ./strace-static-x86_64: Process 7355 attached [pid 7355] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7355] chdir("./110") = 0 [pid 7350] <... write resumed>) = 4194304 [pid 7355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7355] setpgid(0, 0) = 0 [pid 7355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7355] write(3, "1000", 4) = 4 [pid 7355] close(3) = 0 [pid 7355] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7355] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7355] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7355] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7356 [pid 7355] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7355] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7356 attached [pid 7356] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7356] memfd_create("syzkaller", 0) = 3 [pid 7356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7350] munmap(0x7f76a8756000, 4194304) = 0 [pid 7350] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7350] ioctl(4, LOOP_SET_FD, 3 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7350] <... ioctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7350] close(3 [pid 5009] lstat("./107/file0", [pid 5008] lstat("./107/file0", [pid 7354] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7350] <... close resumed>) = 0 [pid 7350] mkdir("./file0", 0777) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7350] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... openat resumed>) = 4 [pid 5009] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 5009] fstat(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5009] getdents64(4, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, [pid 5008] getdents64(4, [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 5008] close(4 [pid 5009] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5009] rmdir("./107/file0" [ 233.570437][ T7350] loop2: detected capacity change from 0 to 8192 [pid 5008] rmdir("./107/file0" [pid 5009] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] <... rmdir resumed>) = 0 [pid 7356] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(3, [pid 5009] close(3 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] close(3) = 0 [pid 5009] rmdir("./107" [pid 5008] rmdir("./107" [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5009] mkdir("./108", 0777 [pid 5008] mkdir("./108", 0777 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5009] <... openat resumed>) = 3 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5008] close(3) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7358 ./strace-static-x86_64: Process 7358 attached [pid 7358] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7358] chdir("./108") = 0 [pid 7358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7358] setpgid(0, 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7359 [pid 7358] <... setpgid resumed>) = 0 [ 233.631968][ T7350] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.652112][ T7350] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7358] write(3, "1000", 4) = 4 [pid 7358] close(3) = 0 [pid 7358] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7358] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7358] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7358] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7360], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7360 [pid 7358] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7359 attached [pid 7359] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7359] chdir("./108") = 0 [pid 7359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7359] setpgid(0, 0 [pid 7356] <... write resumed>) = 4194304 [pid 7359] <... setpgid resumed>) = 0 [pid 7356] munmap(0x7f76a8756000, 4194304 [pid 7359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7356] <... munmap resumed>) = 0 [pid 7356] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 233.688527][ T7350] REISERFS (device loop2): using ordered data mode [ 233.695106][ T7350] reiserfs: using flush barriers [pid 7356] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7360 attached [pid 7359] <... openat resumed>) = 3 [pid 7356] <... ioctl resumed>) = 0 [pid 7356] close(3) = 0 [pid 7356] mkdir("./file0", 0777) = 0 [pid 7356] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7359] write(3, "1000", 4 [pid 7360] set_robust_list(0x7f76b0b769e0, 24 [pid 7359] <... write resumed>) = 4 [pid 7359] close(3 [pid 7360] <... set_robust_list resumed>) = 0 [pid 7359] <... close resumed>) = 0 [pid 7360] memfd_create("syzkaller", 0 [pid 7359] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7360] <... memfd_create resumed>) = 3 [pid 7359] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7359] <... futex resumed>) = 0 [pid 7360] <... mmap resumed>) = 0x7f76a8756000 [pid 7359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7359] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [ 233.732396][ T7356] loop4: detected capacity change from 0 to 8192 [ 233.764098][ T7350] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7359] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7354] <... write resumed>) = 4194304 [pid 7354] munmap(0x7f76a8756000, 4194304) = 0 [pid 7354] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7354] ioctl(4, LOOP_SET_FD, 3 [pid 7359] <... clone resumed>, parent_tid=[7362], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7362 [pid 7354] <... ioctl resumed>) = 0 [pid 7354] close(3) = 0 [pid 7354] mkdir("./file0", 0777) = 0 [pid 7354] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7359] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7359] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7362 attached [pid 7362] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7362] memfd_create("syzkaller", 0) = 3 [ 233.773697][ T7354] loop3: detected capacity change from 0 to 8192 [ 233.793927][ T7356] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.808797][ T7356] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 233.821616][ T7354] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.824393][ T7356] REISERFS (device loop4): using ordered data mode [ 233.847152][ T7350] REISERFS (device loop2): checking transaction log (loop2) [ 233.856619][ T7354] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 233.868139][ T7356] reiserfs: using flush barriers [pid 7362] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 233.881195][ T7350] REISERFS (device loop2): Using r5 hash to sort names [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 7362] <... write resumed>) = 4194304 [pid 7362] munmap(0x7f76a8756000, 4194304 [pid 7350] <... mount resumed>) = 0 [ 233.906903][ T7354] REISERFS (device loop3): using ordered data mode [ 233.909293][ T7350] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 233.916086][ T7356] 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 [ 233.927077][ T7350] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 233.951884][ T7354] reiserfs: using flush barriers [pid 7362] <... munmap resumed>) = 0 [pid 7350] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7362] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7350] <... openat resumed>) = 3 [pid 7362] <... openat resumed>) = 4 [pid 7350] chdir("./file0" [pid 7362] ioctl(4, LOOP_SET_FD, 3 [pid 7350] <... chdir resumed>) = 0 [pid 7350] ioctl(4, LOOP_CLR_FD) = 0 [ 233.961344][ T7354] 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 [ 233.980402][ T7362] loop1: detected capacity change from 0 to 8192 [ 233.988729][ T7356] REISERFS (device loop4): checking transaction log (loop4) [ 233.998076][ T7356] REISERFS (device loop4): Using r5 hash to sort names [pid 7350] close(4 [pid 7362] <... ioctl resumed>) = 0 [pid 7350] <... close resumed>) = 0 [pid 7362] close(3 [pid 7350] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... close resumed>) = 0 [pid 7350] <... futex resumed>) = 1 [pid 7348] <... futex resumed>) = 0 [pid 7356] <... mount resumed>) = 0 [pid 7362] mkdir("./file0", 0777 [pid 7350] mkdir("./file1", 000 [pid 7348] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7348] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... mkdir resumed>) = 0 [pid 7350] <... mkdir resumed>) = 0 [pid 7362] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7356] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7350] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7356] <... openat resumed>) = 3 [pid 7350] <... futex resumed>) = 1 [pid 7348] <... futex resumed>) = 0 [pid 7348] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7348] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7356] chdir("./file0" [pid 7350] mkdir("./bus", 000 [pid 7356] <... chdir resumed>) = 0 [pid 7350] <... mkdir resumed>) = 0 [pid 7356] ioctl(4, LOOP_CLR_FD [pid 7350] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7356] <... ioctl resumed>) = 0 [pid 7350] <... futex resumed>) = 1 [pid 7356] close(4 [pid 7350] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7348] <... futex resumed>) = 0 [ 234.005210][ T7356] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.018933][ T7356] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 234.030779][ T7354] REISERFS (device loop3): checking transaction log (loop3) [ 234.048109][ T7354] REISERFS (device loop3): Using r5 hash to sort names [pid 7348] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] <... close resumed>) = 0 [pid 7356] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7348] <... futex resumed>) = 0 [pid 7348] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7356] <... futex resumed>) = 1 [pid 7355] <... futex resumed>) = 0 [pid 7356] mkdir("./file1", 000 [pid 7355] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... write resumed>) = 4194304 [pid 7356] <... mkdir resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7356] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7356] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 234.060034][ T7362] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 234.074795][ T7350] overlayfs: upper fs needs to support d_type. [ 234.084689][ T7354] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.097805][ T7354] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7355] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] munmap(0x7f76a8756000, 4194304 [pid 7356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7355] <... futex resumed>) = 0 [pid 7354] <... mount resumed>) = 0 [pid 7348] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7360] <... munmap resumed>) = 0 [pid 7356] mkdir("./bus", 000 [ 234.108155][ T7362] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 234.115358][ T7350] overlayfs: upper fs does not support tmpfile. [ 234.117969][ T7362] REISERFS (device loop1): using ordered data mode [ 234.124184][ T7350] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.130515][ T7362] reiserfs: using flush barriers [ 234.143743][ T7362] 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 7355] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7354] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7348] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7356] <... mkdir resumed>) = 0 [pid 7354] <... openat resumed>) = 3 [pid 7348] <... futex resumed>) = 0 [pid 7360] <... openat resumed>) = 4 [pid 7356] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] chdir("./file0" [pid 7348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7360] ioctl(4, LOOP_SET_FD, 3 [pid 7356] <... futex resumed>) = 1 [pid 7355] <... futex resumed>) = 0 [pid 7350] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7354] <... chdir resumed>) = 0 [pid 7350] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7350] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7348] <... mmap resumed>) = 0x7f76a8b35000 [pid 7356] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7355] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] ioctl(4, LOOP_CLR_FD [pid 7348] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7348] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7365], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7365 [pid 7348] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7348] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7355] <... futex resumed>) = 0 [pid 7355] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7354] <... ioctl resumed>) = 0 [pid 7354] close(4./strace-static-x86_64: Process 7365 attached [pid 7365] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7365] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7365] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7360] <... ioctl resumed>) = 0 [pid 7360] close(3) = 0 [pid 7360] mkdir("./file0", 0777) = 0 [pid 7360] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7354] <... close resumed>) = 0 [pid 7354] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7353] <... futex resumed>) = 0 [pid 7354] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7353] <... futex resumed>) = 0 [pid 7354] mkdir("./file1", 000 [ 234.147258][ T7350] overlayfs: failed to resolve './file0': -2 [ 234.166834][ T7362] REISERFS (device loop1): checking transaction log (loop1) [ 234.176644][ T7360] loop0: detected capacity change from 0 to 8192 [ 234.186088][ T7356] overlayfs: upper fs needs to support d_type. [ 234.193857][ T7362] REISERFS (device loop1): Using r5 hash to sort names [pid 7353] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... mount resumed>) = 0 [pid 7355] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7354] <... mkdir resumed>) = 0 [pid 7362] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7355] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... openat resumed>) = 3 [pid 7355] <... futex resumed>) = 0 [pid 7354] <... futex resumed>) = 1 [pid 7353] <... futex resumed>) = 0 [pid 7362] chdir("./file0" [pid 7355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7354] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... chdir resumed>) = 0 [pid 7355] <... mmap resumed>) = 0x7f76a8b35000 [pid 7354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7353] <... futex resumed>) = 0 [pid 7362] ioctl(4, LOOP_CLR_FD [pid 7355] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7354] mkdir("./bus", 000 [pid 7353] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... ioctl resumed>) = 0 [pid 7355] <... mprotect resumed>) = 0 [pid 7354] <... mkdir resumed>) = 0 [pid 7362] close(4 [ 234.210845][ T7356] overlayfs: upper fs does not support tmpfile. [ 234.212789][ T7362] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.230015][ T7362] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 234.231446][ T7360] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7355] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7354] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... close resumed>) = 0 [pid 7354] <... futex resumed>) = 1 [pid 7353] <... futex resumed>) = 0 [pid 7362] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... clone resumed>, parent_tid=[7367], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7367 [pid 7354] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 1 [pid 7355] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7353] <... futex resumed>) = 0 [pid 7362] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7355] <... futex resumed>) = 0 [pid 7354] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7353] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7359] <... futex resumed>) = 0 [pid 7359] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7362] <... futex resumed>) = 0 [pid 7359] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] mkdir("./file1", 000) = 0 [pid 7362] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7359] <... futex resumed>) = 0 [pid 7362] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] <... futex resumed>) = 0 [pid 7362] mkdir("./bus", 000 [pid 7359] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... mkdir resumed>) = 0 [pid 7362] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7359] <... futex resumed>) = 0 [pid 7362] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] <... futex resumed>) = 0 [ 234.266314][ T7365] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 234.281583][ T7354] overlayfs: upper fs needs to support d_type. [ 234.287980][ T7354] overlayfs: upper fs does not support tmpfile. [ 234.294883][ T7354] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.304422][ T7354] overlayfs: failed to resolve './file0': -2 [pid 7362] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7359] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7353] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7367 attached ) = 0 [pid 7367] set_robust_list(0x7f76a8b559e0, 24 [pid 7353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7367] <... set_robust_list resumed>) = 0 [pid 7367] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7367] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7354] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7353] <... mmap resumed>) = 0x7f76a8b35000 [ 234.319845][ T7362] overlayfs: upper fs needs to support d_type. [ 234.332154][ T7356] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.333179][ T7362] overlayfs: upper fs does not support tmpfile. [ 234.342412][ T7360] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 234.355650][ T7360] REISERFS (device loop0): using ordered data mode [pid 7354] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7359] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7354] <... futex resumed>) = 0 [pid 7353] <... mprotect resumed>) = 0 [pid 7359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7354] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7359] <... mmap resumed>) = 0x7f76a8b35000 [pid 7359] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7359] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7368], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7368 [pid 7359] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7359] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7365] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7369 attached ./strace-static-x86_64: Process 7368 attached [pid 7365] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7365] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] set_robust_list(0x7f76a8b559e0, 24 [pid 7368] set_robust_list(0x7f76a8b559e0, 24 [pid 7353] <... clone resumed>, parent_tid=[7369], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7369 [pid 7348] <... futex resumed>) = 0 [ 234.360373][ T7367] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 234.362401][ T7360] reiserfs: using flush barriers [ 234.382640][ T7360] 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 [ 234.400664][ T7360] REISERFS (device loop0): checking transaction log (loop0) [ 234.409638][ T7360] REISERFS (device loop0): Using r5 hash to sort names [pid 7369] <... set_robust_list resumed>) = 0 [pid 7368] <... set_robust_list resumed>) = 0 [pid 7353] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] mkdir(".", 0777 [pid 7368] mkdir(".", 0777 [pid 7353] <... futex resumed>) = 0 [pid 7348] exit_group(0 [pid 7367] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7367] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7367] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7368] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7365] <... futex resumed>) = ? [pid 7353] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7348] <... exit_group resumed>) = ? [pid 7365] +++ exited with 0 +++ [pid 7369] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7368] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7362] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7355] <... futex resumed>) = 0 [pid 7350] <... futex resumed>) = ? [pid 7362] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7362] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7360] <... mount resumed>) = 0 [pid 7360] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7360] chdir("./file0" [pid 7350] +++ exited with 0 +++ [pid 7348] +++ exited with 0 +++ [pid 7360] <... chdir resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7348, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7360] ioctl(4, LOOP_CLR_FD) = 0 [pid 7360] close(4 [ 234.413831][ T7362] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.416970][ T7360] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.436756][ T7362] overlayfs: failed to resolve './file0': -2 [ 234.443047][ T7360] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 234.454248][ T7356] overlayfs: failed to resolve './file0': -2 [pid 5010] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7360] <... close resumed>) = 0 [pid 7360] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7360] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] <... futex resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7358] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... openat resumed>) = 3 [pid 7358] <... futex resumed>) = 1 [pid 5010] fstat(3, [pid 7358] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7360] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 7360] mkdir("./file1", 000 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7360] <... mkdir resumed>) = 0 [pid 5010] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7360] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7360] <... futex resumed>) = 1 [pid 7358] <... futex resumed>) = 0 [pid 5010] lstat("./109/binderfs", [pid 7360] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = 0 [pid 5010] unlink("./109/binderfs" [pid 7368] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7360] mkdir("./bus", 000 [pid 7358] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7368] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... mkdir resumed>) = 0 [pid 7356] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... unlink resumed>) = 0 [pid 7368] <... futex resumed>) = 1 [pid 7360] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... futex resumed>) = 0 [pid 5010] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7368] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7360] <... futex resumed>) = 1 [pid 7359] exit_group(0 [pid 7358] <... futex resumed>) = 0 [pid 7356] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = ? [pid 7360] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] <... exit_group resumed>) = ? [pid 7358] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7356] <... futex resumed>) = 0 [pid 7368] <... futex resumed>) = ? [pid 7362] +++ exited with 0 +++ [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = 0 [pid 7356] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7355] exit_group(0 [pid 7367] <... futex resumed>) = ? [ 234.480314][ T7368] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 234.490739][ T7369] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7360] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7358] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7356] <... futex resumed>) = ? [pid 7355] <... exit_group resumed>) = ? [pid 7368] +++ exited with 0 +++ [pid 7367] +++ exited with 0 +++ [pid 7359] +++ exited with 0 +++ [pid 7356] +++ exited with 0 +++ [pid 7355] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7359, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7355, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5012] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./110/binderfs", [pid 5009] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] unlink("./110/binderfs" [pid 5009] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... unlink resumed>) = 0 [pid 5012] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./108/binderfs") = 0 [ 234.532155][ T7360] overlayfs: upper fs needs to support d_type. [ 234.541401][ T7360] overlayfs: upper fs does not support tmpfile. [pid 5009] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7358] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7369] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7358] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] <... futex resumed>) = 0 [pid 7369] <... futex resumed>) = 1 [pid 7358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7353] <... futex resumed>) = 0 [pid 7369] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] <... mmap resumed>) = 0x7f76a8b35000 [pid 7353] exit_group(0 [pid 7369] <... futex resumed>) = ? [pid 7353] <... exit_group resumed>) = ? [pid 7369] +++ exited with 0 +++ [pid 7358] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7354] <... futex resumed>) = ? [pid 7360] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7360] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7360] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] <... mprotect resumed>) = 0 [pid 7354] +++ exited with 0 +++ [pid 7353] +++ exited with 0 +++ [pid 7358] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7353, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 7358] <... clone resumed>, parent_tid=[7370], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7370 [pid 7358] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./110/binderfs") = 0 [ 234.576265][ T7360] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.586998][ T7360] overlayfs: failed to resolve './file0': -2 [pid 5011] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7370 attached [pid 7370] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7370] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7370] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./109/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./109/file0" [pid 7370] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... rmdir resumed>) = 0 [pid 7370] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7370] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] exit_group(0 [pid 7370] <... futex resumed>) = ? [pid 7360] <... futex resumed>) = ? [pid 7358] <... exit_group resumed>) = ? [pid 7370] +++ exited with 0 +++ [pid 7360] +++ exited with 0 +++ [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3 [pid 7358] +++ exited with 0 +++ [pid 5010] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7358, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5010] rmdir("./109" [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5012] <... umount2 resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5010] mkdir("./110", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5009] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 234.668347][ T7370] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./108/file0", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./110/file0", [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 [pid 5012] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(3, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] close(3 [pid 5009] <... openat resumed>) = 4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... openat resumed>) = 4 [pid 5009] fstat(4, [pid 5012] fstat(4, [pid 5008] getdents64(3, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] getdents64(4, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] getdents64(4, [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, [pid 5012] getdents64(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 5008] lstat("./108/binderfs", [pid 5012] close(4 [pid 5009] <... close resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] rmdir("./108/file0" [pid 5012] <... close resumed>) = 0 [pid 5008] unlink("./108/binderfs" [pid 5012] rmdir("./110/file0" [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7371 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] getdents64(3, [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3 [pid 5012] close(3 [pid 5009] <... close resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5009] rmdir("./108"./strace-static-x86_64: Process 7371 attached [pid 5012] rmdir("./110" [pid 5009] <... rmdir resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5009] mkdir("./109", 0777 [pid 5012] mkdir("./111", 0777 [pid 7371] set_robust_list(0x555556dec5e0, 24 [pid 5009] <... mkdir resumed>) = 0 [pid 7371] <... set_robust_list resumed>) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7371] chdir("./110" [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5009] <... openat resumed>) = 3 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5012] close(3 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] close(3) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7372 [pid 7371] <... chdir resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7373 [pid 7371] <... prctl resumed>) = 0 [pid 7371] setpgid(0, 0) = 0 [pid 7371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7373 attached [pid 7371] write(3, "1000", 4) = 4 [pid 7373] set_robust_list(0x555556dec5e0, 24 [pid 7371] close(3) = 0 [pid 7373] <... set_robust_list resumed>) = 0 [pid 7371] symlink("/dev/binderfs", "./binderfs" [pid 7373] chdir("./109") = 0 [pid 7371] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 7372 attached [pid 7373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7371] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] <... prctl resumed>) = 0 [pid 7372] set_robust_list(0x555556dec5e0, 24 [pid 7371] <... futex resumed>) = 0 [pid 7373] setpgid(0, 0 [pid 7372] <... set_robust_list resumed>) = 0 [pid 7371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7373] <... setpgid resumed>) = 0 [pid 7373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7372] chdir("./111" [pid 7371] <... mmap resumed>) = 0x7f76b0b56000 [pid 7373] <... openat resumed>) = 3 [pid 7372] <... chdir resumed>) = 0 [pid 7371] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7373] write(3, "1000", 4 [pid 7372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7371] <... mprotect resumed>) = 0 [pid 7373] <... write resumed>) = 4 [pid 7372] <... prctl resumed>) = 0 [pid 7371] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7373] close(3 [pid 7372] setpgid(0, 0 [pid 7373] <... close resumed>) = 0 [pid 7372] <... setpgid resumed>) = 0 [pid 7371] <... clone resumed>, parent_tid=[7374], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7374 [pid 7373] symlink("/dev/binderfs", "./binderfs" [pid 7372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7371] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] <... symlink resumed>) = 0 [pid 7372] <... openat resumed>) = 3 [pid 7371] <... futex resumed>) = 0 [pid 7373] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] write(3, "1000", 4 [pid 7371] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7374 attached [pid 7373] <... futex resumed>) = 0 [pid 7372] <... write resumed>) = 4 [pid 7374] set_robust_list(0x7f76b0b769e0, 24 [pid 7373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7372] close(3 [pid 7374] <... set_robust_list resumed>) = 0 [pid 7373] <... mmap resumed>) = 0x7f76b0b56000 [pid 7372] <... close resumed>) = 0 [pid 7374] memfd_create("syzkaller", 0 [pid 7373] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7372] symlink("/dev/binderfs", "./binderfs" [pid 7374] <... memfd_create resumed>) = 3 [pid 7373] <... mprotect resumed>) = 0 [pid 7372] <... symlink resumed>) = 0 [pid 7374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7373] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7372] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7374] <... mmap resumed>) = 0x7f76a8756000 [pid 7373] <... clone resumed>, parent_tid=[7375], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7375 [pid 7372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7373] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] <... umount2 resumed>) = 0 [pid 7373] <... futex resumed>) = 0 [pid 7372] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7373] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7372] <... mprotect resumed>) = 0 [pid 7372] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7376], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7376 ./strace-static-x86_64: Process 7375 attached [pid 7372] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] set_robust_list(0x7f76b0b769e0, 24 [pid 7372] <... futex resumed>) = 0 [pid 7375] <... set_robust_list resumed>) = 0 [pid 7372] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7376 attached [pid 7375] memfd_create("syzkaller", 0) = 3 [pid 7375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7376] set_robust_list(0x7f76b0b769e0, 24 [pid 7375] <... mmap resumed>) = 0x7f76a8756000 [pid 7376] <... set_robust_list resumed>) = 0 [pid 5011] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7376] memfd_create("syzkaller", 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7376] <... memfd_create resumed>) = 3 [pid 5011] lstat("./110/file0", [pid 7376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7376] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./110/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./110") = 0 [pid 5011] mkdir("./111", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7377 [pid 7374] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7377 attached [pid 5008] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7377] set_robust_list(0x555556dec5e0, 24) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7377] chdir("./111" [pid 5008] lstat("./108/file0", [pid 7377] <... chdir resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, [pid 7377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7377] <... prctl resumed>) = 0 [pid 5008] getdents64(4, [pid 7377] setpgid(0, 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7377] <... setpgid resumed>) = 0 [pid 5008] getdents64(4, [pid 7377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7377] <... openat resumed>) = 3 [pid 5008] close(4 [pid 7377] write(3, "1000", 4 [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 5008] <... close resumed>) = 0 [pid 7377] <... write resumed>) = 4 [pid 5008] rmdir("./108/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./108") = 0 [pid 5008] mkdir("./109", 0777 [pid 7377] close(3 [pid 5008] <... mkdir resumed>) = 0 [pid 7377] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7377] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... openat resumed>) = 3 [pid 7377] <... symlink resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7377] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7377] <... futex resumed>) = 0 [pid 5008] close(3 [pid 7377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... close resumed>) = 0 [pid 7377] <... mmap resumed>) = 0x7f76b0b56000 [pid 7376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7377] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7378 [pid 7377] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7379 [pid 7377] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7377] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7378 attached [pid 7378] set_robust_list(0x555556dec5e0, 24./strace-static-x86_64: Process 7379 attached ) = 0 [pid 7379] set_robust_list(0x7f76b0b769e0, 24 [pid 7378] chdir("./109" [pid 7379] <... set_robust_list resumed>) = 0 [pid 7378] <... chdir resumed>) = 0 [pid 7379] memfd_create("syzkaller", 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 7379] <... memfd_create resumed>) = 3 [pid 7378] write(3, "1000", 4 [pid 7379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7378] <... write resumed>) = 4 [pid 7378] close(3 [pid 7379] <... mmap resumed>) = 0x7f76a8756000 [pid 7378] <... close resumed>) = 0 [pid 7378] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7378] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7378] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7378] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7380], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7380 [pid 7378] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7378] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7380 attached [pid 7380] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7380] memfd_create("syzkaller", 0) = 3 [pid 7380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7374] <... write resumed>) = 4194304 [pid 7374] munmap(0x7f76a8756000, 4194304) = 0 [pid 7374] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7374] ioctl(4, LOOP_SET_FD, 3 [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 resumed>) = 4194304 [pid 7374] <... ioctl resumed>) = 0 [pid 7375] munmap(0x7f76a8756000, 4194304 [pid 7374] close(3) = 0 [pid 7374] mkdir("./file0", 0777 [pid 7375] <... munmap resumed>) = 0 [pid 7374] <... mkdir resumed>) = 0 [pid 7375] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7374] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7375] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7375] close(3) = 0 [ 235.078726][ T7374] loop2: detected capacity change from 0 to 8192 [ 235.112370][ T7375] loop1: detected capacity change from 0 to 8192 [pid 7375] mkdir("./file0", 0777 [pid 7376] <... write resumed>) = 4194304 [pid 7375] <... mkdir resumed>) = 0 [pid 7380] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7376] munmap(0x7f76a8756000, 4194304 [pid 7375] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7376] <... munmap resumed>) = 0 [pid 7376] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 235.126311][ T7374] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.158050][ T7376] loop4: detected capacity change from 0 to 8192 [ 235.166416][ T7375] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7376] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7376] close(3) = 0 [pid 7376] mkdir("./file0", 0777) = 0 [pid 7376] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7380] <... write resumed>) = 4194304 [pid 7380] munmap(0x7f76a8756000, 4194304) = 0 [pid 7380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 235.186783][ T7374] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 235.196952][ T7374] REISERFS (device loop2): using ordered data mode [ 235.203682][ T7376] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.203738][ T7374] reiserfs: using flush barriers [pid 7380] ioctl(4, LOOP_SET_FD, 3 [pid 7379] <... write resumed>) = 4194304 [pid 7379] munmap(0x7f76a8756000, 4194304) = 0 [pid 7379] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7379] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7379] close(3) = 0 [pid 7379] mkdir("./file0", 0777) = 0 [pid 7379] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7380] <... ioctl resumed>) = 0 [pid 7380] close(3) = 0 [pid 7380] mkdir("./file0", 0777) = 0 [ 235.205576][ T7374] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.220906][ T7380] loop0: detected capacity change from 0 to 8192 [ 235.222223][ T7374] REISERFS (device loop2): checking transaction log (loop2) [ 235.251760][ T7379] loop3: detected capacity change from 0 to 8192 [ 235.258376][ T7375] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 235.268113][ T7376] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 235.277897][ T7375] REISERFS (device loop1): using ordered data mode [ 235.279094][ T7379] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.284453][ T7375] reiserfs: using flush barriers [ 235.297521][ T7374] REISERFS (device loop2): Using r5 hash to sort names [ 235.303067][ T7376] REISERFS (device loop4): using ordered data mode [ 235.315540][ T7374] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.317739][ T7375] 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 [ 235.330147][ T7379] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 235.345316][ T7376] reiserfs: using flush barriers [ 235.354610][ T7379] REISERFS (device loop3): using ordered data mode [ 235.359496][ T7374] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 235.365726][ T7380] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7380] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7374] <... mount resumed>) = 0 [pid 7374] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7374] chdir("./file0") = 0 [pid 7374] ioctl(4, LOOP_CLR_FD) = 0 [ 235.376787][ T7376] 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 [ 235.388538][ T7379] reiserfs: using flush barriers [ 235.404139][ T7376] REISERFS (device loop4): checking transaction log (loop4) [ 235.416576][ T7380] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 235.426719][ T7375] REISERFS (device loop1): checking transaction log (loop1) [pid 7374] close(4) = 0 [pid 7374] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7371] <... futex resumed>) = 0 [pid 7374] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7371] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] <... futex resumed>) = 0 [pid 7374] mkdir("./file1", 000 [pid 7371] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... mkdir resumed>) = 0 [ 235.434358][ T7380] REISERFS (device loop0): using ordered data mode [ 235.439928][ T7376] REISERFS (device loop4): Using r5 hash to sort names [ 235.447755][ T7380] reiserfs: using flush barriers [ 235.453188][ T7380] 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 [ 235.453869][ T7375] REISERFS (device loop1): Using r5 hash to sort names [ 235.471105][ T7380] REISERFS (device loop0): checking transaction log (loop0) [pid 7374] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7371] <... futex resumed>) = 0 [pid 7374] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7371] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] <... futex resumed>) = 0 [pid 7374] mkdir("./bus", 000 [pid 7371] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... mkdir resumed>) = 0 [pid 7374] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7371] <... futex resumed>) = 0 [pid 7374] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7371] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] <... futex resumed>) = 0 [pid 7374] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 235.483760][ T7379] 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 [ 235.485131][ T7374] overlayfs: upper fs needs to support d_type. [ 235.501052][ T7379] REISERFS (device loop3): checking transaction log (loop3) [ 235.511200][ T7376] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.521194][ T7380] REISERFS (device loop0): Using r5 hash to sort names [pid 7371] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7371] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7371] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7371] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7386 [pid 7371] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7371] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7386 attached [pid 7386] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7386] mkdir(".", 0777) = -1 EEXIST (File exists) [ 235.528614][ T7375] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.546169][ T7379] REISERFS (device loop3): Using r5 hash to sort names [ 235.547807][ T7376] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 235.553893][ T7379] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.572370][ T7375] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7386] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7376] <... mount resumed>) = 0 [pid 7376] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7376] chdir("./file0") = 0 [pid 7376] ioctl(4, LOOP_CLR_FD) = 0 [pid 7376] close(4) = 0 [pid 7376] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... futex resumed>) = 0 [pid 7372] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7372] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... futex resumed>) = 1 [pid 7376] mkdir("./file1", 000) = 0 [pid 7376] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7372] <... futex resumed>) = 0 [pid 7376] mkdir("./bus", 000 [pid 7372] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... mkdir resumed>) = 0 [pid 7372] <... futex resumed>) = 0 [pid 7376] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... futex resumed>) = 0 [pid 7372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7376] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7372] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 235.585092][ T7380] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.602613][ T7386] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 235.602790][ T7380] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 235.626132][ T7379] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7372] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7380] <... mount resumed>) = 0 [pid 7380] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7379] <... mount resumed>) = 0 [pid 7380] <... openat resumed>) = 3 [pid 7379] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7380] chdir("./file0" [pid 7379] <... openat resumed>) = 3 [pid 7380] <... chdir resumed>) = 0 [pid 7379] chdir("./file0" [pid 7380] ioctl(4, LOOP_CLR_FD [pid 7379] <... chdir resumed>) = 0 [pid 7386] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7386] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... ioctl resumed>) = 0 [pid 7379] ioctl(4, LOOP_CLR_FD [pid 7380] close(4 [pid 7379] <... ioctl resumed>) = 0 [pid 7380] <... close resumed>) = 0 [pid 7379] close(4 [pid 7371] <... futex resumed>) = 0 [pid 7386] <... futex resumed>) = 1 [pid 7386] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7379] <... close resumed>) = 0 [pid 7380] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7379] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... futex resumed>) = 0 [pid 7380] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7379] <... futex resumed>) = 1 [pid 7378] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... futex resumed>) = 0 [pid 7380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7379] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] <... futex resumed>) = 0 [pid 7377] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] mkdir("./file1", 000 [pid 7379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] <... futex resumed>) = 0 [pid 7380] <... mkdir resumed>) = 0 [pid 7379] mkdir("./file1", 000 [pid 7377] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7375] <... mount resumed>) = 0 [pid 7380] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] <... mkdir resumed>) = 0 [pid 7375] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7380] <... futex resumed>) = 1 [pid 7379] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... futex resumed>) = 0 [pid 7375] <... openat resumed>) = 3 [pid 7380] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7379] <... futex resumed>) = 1 [pid 7378] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... futex resumed>) = 0 [pid 7375] chdir("./file0" [pid 7372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7379] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] <... futex resumed>) = 0 [pid 7377] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... chdir resumed>) = 0 [pid 7372] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] ioctl(4, LOOP_CLR_FD [pid 7372] <... futex resumed>) = 0 [pid 7375] <... ioctl resumed>) = 0 [pid 7372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7375] close(4 [pid 7372] <... mmap resumed>) = 0x7f76a8b35000 [pid 7375] <... close resumed>) = 0 [pid 7372] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7380] mkdir("./bus", 000 [pid 7379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] <... futex resumed>) = 0 [ 235.632139][ T7374] overlayfs: upper fs does not support tmpfile. [ 235.642870][ T7376] overlayfs: upper fs needs to support d_type. [ 235.651114][ T7376] overlayfs: upper fs does not support tmpfile. [ 235.671374][ T7374] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7375] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... mprotect resumed>) = 0 [pid 7380] <... mkdir resumed>) = 0 [pid 7379] mkdir("./bus", 000 [pid 7377] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7375] <... futex resumed>) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7372] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7380] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] <... mkdir resumed>) = 0 [pid 7375] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... futex resumed>) = 1 [pid 7379] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... futex resumed>) = 0 [pid 7375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7372] <... clone resumed>, parent_tid=[7387], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7387 [pid 7380] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7379] <... futex resumed>) = 1 [pid 7378] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... futex resumed>) = 0 [pid 7375] mkdir("./file1", 000 [pid 7373] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7387 attached [pid 7380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7379] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] <... futex resumed>) = 0 [pid 7377] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... mkdir resumed>) = 0 [pid 7372] <... futex resumed>) = 0 [pid 7387] set_robust_list(0x7f76a8b559e0, 24 [pid 7380] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] <... futex resumed>) = 0 [pid 7375] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7387] <... set_robust_list resumed>) = 0 [pid 7375] <... futex resumed>) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7387] mkdir(".", 0777 [pid 7375] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7379] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7377] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7387] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] mkdir("./bus", 000 [pid 7373] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7375] <... mkdir resumed>) = 0 [pid 7375] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7375] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7375] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 235.689942][ T7376] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 235.703693][ T7374] overlayfs: failed to resolve './file0': -2 [ 235.718264][ T7380] overlayfs: upper fs needs to support d_type. [ 235.726262][ T7375] overlayfs: upper fs needs to support d_type. [ 235.726635][ T7379] overlayfs: upper fs needs to support d_type. [pid 7373] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7373] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7373] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7378] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7377] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7373] <... mprotect resumed>) = 0 [pid 7378] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7373] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7374] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] exit_group(0 [pid 7386] <... futex resumed>) = ? [pid 7374] <... futex resumed>) = ? [pid 7373] <... clone resumed>, parent_tid=[7388], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7388 [pid 7371] <... exit_group resumed>) = ? [pid 7378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7386] +++ exited with 0 +++ [pid 7374] +++ exited with 0 +++ [pid 7378] <... mmap resumed>) = 0x7f76a8b35000 [pid 7373] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] +++ exited with 0 +++ [ 235.732502][ T7375] overlayfs: upper fs does not support tmpfile. [ 235.739733][ T7380] overlayfs: upper fs does not support tmpfile. [ 235.757721][ T7387] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 235.765437][ T7379] overlayfs: upper fs does not support tmpfile. [pid 7378] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7377] <... mmap resumed>) = 0x7f76a8b35000 [pid 7373] <... futex resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7371, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 7378] <... mprotect resumed>) = 0 [pid 7373] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7377] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7378] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7387] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7377] <... mprotect resumed>) = 0 [pid 7387] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... futex resumed>) = 0 [pid 7387] <... futex resumed>) = 1 [pid 7387] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7377] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7389 attached [pid 7389] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7389] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] <... clone resumed>, parent_tid=[7389], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7389 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7378] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... clone resumed>, parent_tid=[7390], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7390 [pid 7378] <... futex resumed>) = 1 [pid 7377] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... openat resumed>) = 3 [pid 7378] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7377] <... futex resumed>) = 0 [pid 5010] fstat(3, [pid 7377] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7389] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 7389] mkdir(".", 0777 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7389] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5010] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7389] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 235.797463][ T7376] overlayfs: failed to resolve './file0': -2 [ 235.800786][ T7375] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 235.805871][ T7380] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 235.828915][ T7389] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] lstat("./110/binderfs", ./strace-static-x86_64: Process 7388 attached [pid 7376] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7388] set_robust_list(0x7f76a8b559e0, 24 [pid 7376] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] unlink("./110/binderfs" [pid 7388] <... set_robust_list resumed>) = 0 [pid 7372] exit_group(0 [pid 7387] <... futex resumed>) = ? [pid 7372] <... exit_group resumed>) = ? [pid 7387] +++ exited with 0 +++ ./strace-static-x86_64: Process 7390 attached [pid 7390] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7390] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7390] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7376] <... futex resumed>) = ? [pid 5010] <... unlink resumed>) = 0 [pid 7388] mkdir(".", 0777 [pid 7376] +++ exited with 0 +++ [pid 7372] +++ exited with 0 +++ [ 235.846592][ T7379] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 235.857329][ T7379] overlayfs: failed to resolve './file0': -2 [ 235.857676][ T7375] overlayfs: failed to resolve './file0': -2 [pid 5010] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7388] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7372, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5012] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./111/binderfs" [pid 7389] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7388] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7379] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... unlink resumed>) = 0 [pid 7379] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7390] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7390] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7379] <... futex resumed>) = 0 [pid 7375] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7389] <... futex resumed>) = 1 [pid 7380] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] <... futex resumed>) = 0 [pid 7375] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7389] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7380] <... futex resumed>) = 0 [pid 7378] exit_group(0 [pid 7375] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] <... futex resumed>) = ? [pid 7378] <... exit_group resumed>) = ? [pid 7389] +++ exited with 0 +++ [pid 7380] +++ exited with 0 +++ [pid 7378] +++ exited with 0 +++ [pid 5008] --- 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=22 /* 0.22 s */} --- [pid 5008] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./109/binderfs") = 0 [ 235.888153][ T7380] overlayfs: failed to resolve './file0': -2 [ 235.905916][ T7390] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 235.910854][ T7388] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7390] <... futex resumed>) = 1 [pid 7377] <... futex resumed>) = 0 [pid 7390] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7377] exit_group(0) = ? [pid 7379] <... futex resumed>) = ? [pid 7390] <... futex resumed>) = ? [pid 7379] +++ exited with 0 +++ [pid 7390] +++ exited with 0 +++ [pid 7377] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7377, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5011] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, [pid 7388] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7388] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7388] <... futex resumed>) = 1 [pid 7373] <... futex resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7388] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] exit_group(0 [pid 5011] lstat("./111/binderfs", [pid 7388] <... futex resumed>) = ? [pid 7375] <... futex resumed>) = ? [pid 7373] <... exit_group resumed>) = ? [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7388] +++ exited with 0 +++ [pid 7375] +++ exited with 0 +++ [pid 7373] +++ exited with 0 +++ [pid 5011] unlink("./111/binderfs" [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7373, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./109/binderfs") = 0 [pid 5009] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./110/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./110/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./110") = 0 [pid 5010] mkdir("./111", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7391 ./strace-static-x86_64: Process 7391 attached [pid 7391] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7391] chdir("./111") = 0 [pid 7391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7391] setpgid(0, 0) = 0 [pid 7391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7391] write(3, "1000", 4) = 4 [pid 7391] close(3) = 0 [pid 7391] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7391] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7391] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7391] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7392], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7392 [pid 7391] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7391] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7392 attached [pid 7392] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7392] memfd_create("syzkaller", 0) = 3 [pid 7392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./109/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./109/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./109") = 0 [pid 5009] mkdir("./110", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7393 [pid 5012] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7393 attached [pid 7393] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7393] chdir("./110" [pid 5012] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7393] <... chdir resumed>) = 0 [pid 7393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5012] lstat("./111/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7393] setpgid(0, 0 [pid 5012] <... openat resumed>) = 4 [pid 7393] <... setpgid resumed>) = 0 [pid 7393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] fstat(4, [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 5011] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 7393] <... openat resumed>) = 3 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7393] write(3, "1000", 4) = 4 [pid 7393] close(3 [pid 5012] getdents64(4, [pid 7393] <... close resumed>) = 0 [pid 7393] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7393] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7393] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./111/file0" [pid 7393] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... rmdir resumed>) = 0 [pid 7393] <... clone resumed>, parent_tid=[7394], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7394 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7393] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] close(3 [pid 5008] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7393] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] rmdir("./111" [pid 5008] lstat("./109/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] <... rmdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] mkdir("./112", 0777 [pid 5008] <... openat resumed>) = 4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(4, [pid 5011] lstat("./111/file0", [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5011] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(4, [pid 5012] <... openat resumed>) = 3 [pid 5011] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5011] <... openat resumed>) = 4 [pid 5008] close(4 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] fstat(4, [pid 5008] <... close resumed>) = 0 ./strace-static-x86_64: Process 7394 attached [pid 5012] close(3 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] rmdir("./109/file0" [pid 5011] getdents64(4, [pid 5008] <... rmdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(3, [pid 5011] getdents64(4, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5011] close(4 [pid 5008] <... close resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5008] rmdir("./109" [pid 5011] rmdir("./111/file0" [pid 5008] <... rmdir resumed>) = 0 [pid 7394] set_robust_list(0x7f76b0b769e0, 24 [pid 5011] <... rmdir resumed>) = 0 [pid 5008] mkdir("./110", 0777 [pid 7394] <... set_robust_list resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] getdents64(3, [pid 5008] <... mkdir resumed>) = 0 [pid 7394] memfd_create("syzkaller", 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7394] <... memfd_create resumed>) = 3 [pid 5011] close(3 [pid 5008] <... openat resumed>) = 3 [pid 7394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7395 [pid 5011] <... close resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7394] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] rmdir("./111" [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... rmdir resumed>) = 0 [pid 5008] close(3./strace-static-x86_64: Process 7395 attached [pid 5011] mkdir("./112", 0777 [pid 5008] <... close resumed>) = 0 [pid 7395] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... mkdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7396 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 7395] <... set_robust_list resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7395] chdir("./112"./strace-static-x86_64: Process 7396 attached ) = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7397 [pid 7396] set_robust_list(0x555556dec5e0, 24 [pid 7395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7396] <... set_robust_list resumed>) = 0 [pid 7395] <... prctl resumed>) = 0 [pid 7396] chdir("./110" [pid 7395] setpgid(0, 0 [pid 7396] <... chdir resumed>) = 0 [pid 7395] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7397 attached [pid 7396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7397] set_robust_list(0x555556dec5e0, 24 [pid 7396] <... prctl resumed>) = 0 [pid 7395] <... openat resumed>) = 3 [pid 7397] <... set_robust_list resumed>) = 0 [pid 7396] setpgid(0, 0 [pid 7395] write(3, "1000", 4 [pid 7397] chdir("./112" [pid 7396] <... setpgid resumed>) = 0 [pid 7395] <... write resumed>) = 4 [pid 7397] <... chdir resumed>) = 0 [pid 7396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7395] close(3 [pid 7397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7396] <... openat resumed>) = 3 [pid 7395] <... close resumed>) = 0 [pid 7397] <... prctl resumed>) = 0 [pid 7396] write(3, "1000", 4 [pid 7395] symlink("/dev/binderfs", "./binderfs" [pid 7397] setpgid(0, 0 [pid 7396] <... write resumed>) = 4 [pid 7395] <... symlink resumed>) = 0 [pid 7397] <... setpgid resumed>) = 0 [pid 7396] close(3 [pid 7395] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7396] <... close resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7397] <... openat resumed>) = 3 [pid 7396] symlink("/dev/binderfs", "./binderfs" [pid 7395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7397] write(3, "1000", 4 [pid 7396] <... symlink resumed>) = 0 [pid 7395] <... mmap resumed>) = 0x7f76b0b56000 [pid 7397] <... write resumed>) = 4 [pid 7396] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7397] close(3 [pid 7396] <... futex resumed>) = 0 [pid 7395] <... mprotect resumed>) = 0 [pid 7397] <... close resumed>) = 0 [pid 7396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7395] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7397] symlink("/dev/binderfs", "./binderfs" [pid 7396] <... mmap resumed>) = 0x7f76b0b56000 [pid 7397] <... symlink resumed>) = 0 [pid 7396] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7398 attached [pid 7397] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... mprotect resumed>) = 0 [pid 7395] <... clone resumed>, parent_tid=[7398], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7398 [pid 7397] <... futex resumed>) = 0 [pid 7398] set_robust_list(0x7f76b0b769e0, 24 [pid 7397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7396] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7395] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... mmap resumed>) = 0x7f76b0b56000 [pid 7395] <... futex resumed>) = 0 [pid 7398] <... set_robust_list resumed>) = 0 [pid 7397] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7396] <... clone resumed>, parent_tid=[7399], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7399 [pid 7395] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7398] memfd_create("syzkaller", 0 [pid 7397] <... mprotect resumed>) = 0 [pid 7396] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7399 attached [pid 7398] <... memfd_create resumed>) = 3 [pid 7397] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7396] <... futex resumed>) = 0 [pid 7397] <... clone resumed>, parent_tid=[7400], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7400 [pid 7397] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7397] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7400 attached [pid 7400] set_robust_list(0x7f76b0b769e0, 24 [pid 7396] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7399] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7398] <... mmap resumed>) = 0x7f76a8756000 [pid 7400] <... set_robust_list resumed>) = 0 [pid 7400] memfd_create("syzkaller", 0) = 3 [pid 7399] memfd_create("syzkaller", 0 [pid 7400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7399] <... memfd_create resumed>) = 3 [pid 7400] <... mmap resumed>) = 0x7f76a8756000 [pid 7399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7394] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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(0x7f76a8756000, 4194304) = 0 [pid 7392] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7392] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7392] close(3) = 0 [pid 7392] mkdir("./file0", 0777) = 0 [pid 7392] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7398] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 236.379470][ T7392] loop2: detected capacity change from 0 to 8192 [pid 7400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [ 236.446483][ T7392] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.482118][ T7392] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7400] munmap(0x7f76a8756000, 4194304) = 0 [pid 7400] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7400] ioctl(4, LOOP_SET_FD, 3 [pid 7394] <... write resumed>) = 4194304 [pid 7400] <... ioctl resumed>) = 0 [pid 7400] close(3 [pid 7394] munmap(0x7f76a8756000, 4194304 [pid 7400] <... close resumed>) = 0 [pid 7400] mkdir("./file0", 0777) = 0 [pid 7394] <... munmap resumed>) = 0 [pid 7394] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7394] ioctl(4, LOOP_SET_FD, 3 [pid 7400] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7394] <... ioctl resumed>) = 0 [ 236.522810][ T7392] REISERFS (device loop2): using ordered data mode [ 236.528992][ T7400] loop3: detected capacity change from 0 to 8192 [ 236.552131][ T7394] loop1: detected capacity change from 0 to 8192 [ 236.556177][ T7392] reiserfs: using flush barriers [pid 7399] <... write resumed>) = 4194304 [pid 7399] munmap(0x7f76a8756000, 4194304 [pid 7398] <... write resumed>) = 4194304 [pid 7394] close(3 [pid 7399] <... munmap resumed>) = 0 [pid 7398] munmap(0x7f76a8756000, 4194304 [pid 7394] <... close resumed>) = 0 [ 236.571253][ T7400] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.586171][ T7392] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.586902][ T7400] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 236.607359][ T7392] REISERFS (device loop2): checking transaction log (loop2) [pid 7399] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7399] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7394] mkdir("./file0", 0777) = 0 [pid 7394] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7398] <... munmap resumed>) = 0 [pid 7398] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 236.614382][ T7400] REISERFS (device loop3): using ordered data mode [ 236.625405][ T7399] loop0: detected capacity change from 0 to 8192 [ 236.625711][ T7400] reiserfs: using flush barriers [ 236.641560][ T7400] 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 [ 236.643388][ T7392] REISERFS (device loop2): Using r5 hash to sort names [ 236.658337][ T7400] REISERFS (device loop3): checking transaction log (loop3) [pid 7398] ioctl(4, LOOP_SET_FD, 3 [pid 7399] close(3 [pid 7398] <... ioctl resumed>) = 0 [pid 7398] close(3) = 0 [pid 7398] mkdir("./file0", 0777) = 0 [pid 7398] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7399] <... close resumed>) = 0 [pid 7399] mkdir("./file0", 0777) = 0 [pid 7399] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7392] <... mount resumed>) = 0 [pid 7392] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7392] chdir("./file0") = 0 [pid 7392] ioctl(4, LOOP_CLR_FD) = 0 [ 236.666941][ T7398] loop4: detected capacity change from 0 to 8192 [ 236.673181][ T7392] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.681691][ T7394] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.700068][ T7392] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 236.706667][ T7394] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7392] close(4) = 0 [ 236.723811][ T7400] REISERFS (device loop3): Using r5 hash to sort names [ 236.724219][ T7394] REISERFS (device loop1): using ordered data mode [ 236.738427][ T7394] reiserfs: using flush barriers [ 236.738441][ T7399] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.745050][ T7394] 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 7392] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7391] <... futex resumed>) = 0 [pid 7392] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7391] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7391] <... futex resumed>) = 0 [pid 7392] mkdir("./file1", 000 [pid 7391] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] <... mkdir resumed>) = 0 [pid 7392] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7391] <... futex resumed>) = 0 [pid 7392] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7391] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7391] <... futex resumed>) = 0 [ 236.756609][ T7398] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.773039][ T7394] REISERFS (device loop1): checking transaction log (loop1) [ 236.796272][ T7394] REISERFS (device loop1): Using r5 hash to sort names [ 236.797187][ T7400] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7392] mkdir("./bus", 000 [pid 7391] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] <... mkdir resumed>) = 0 [pid 7392] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7391] <... futex resumed>) = 0 [pid 7392] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7391] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7391] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] <... mount resumed>) = 0 [ 236.804476][ T7394] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.829065][ T7394] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 236.839471][ T7399] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 236.839483][ T7392] overlayfs: upper fs needs to support d_type. [ 236.839534][ T7392] overlayfs: upper fs does not support tmpfile. [ 236.848788][ T7399] REISERFS (device loop0): using ordered data mode [pid 7394] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7394] chdir("./file0") = 0 [pid 7394] ioctl(4, LOOP_CLR_FD) = 0 [pid 7391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7391] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7394] close(4 [pid 7391] <... mmap resumed>) = 0x7f76a8b35000 [pid 7394] <... close resumed>) = 0 [pid 7391] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7391] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7406], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7406 [pid 7391] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7391] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7394] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 ./strace-static-x86_64: Process 7406 attached [pid 7393] <... futex resumed>) = 0 [ 236.867262][ T7392] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 236.879574][ T7399] reiserfs: using flush barriers [ 236.885099][ T7398] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 236.897358][ T7399] 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 [ 236.914860][ T7398] REISERFS (device loop4): using ordered data mode [pid 7394] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] set_robust_list(0x7f76a8b559e0, 24 [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7406] <... set_robust_list resumed>) = 0 [pid 7394] mkdir("./file1", 000 [pid 7393] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] mkdir(".", 0777 [pid 7394] <... mkdir resumed>) = 0 [pid 7406] <... mkdir resumed>) = -1 EEXIST (File exists) [ 236.922136][ T7398] reiserfs: using flush barriers [ 236.931163][ T7398] 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 [ 236.936592][ T7392] overlayfs: failed to resolve './file0': -2 [ 236.949194][ T7399] REISERFS (device loop0): checking transaction log (loop0) [ 236.959413][ T7400] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7394] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7394] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7394] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7394] mkdir("./bus", 000 [pid 7393] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] <... mkdir resumed>) = 0 [pid 7394] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7400] <... mount resumed>) = 0 [pid 7400] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7394] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] chdir("./file0") = 0 [pid 7400] ioctl(4, LOOP_CLR_FD) = 0 [ 236.962236][ T7398] REISERFS (device loop4): checking transaction log (loop4) [ 236.978723][ T7399] REISERFS (device loop0): Using r5 hash to sort names [ 236.988476][ T7398] REISERFS (device loop4): Using r5 hash to sort names [ 236.994112][ T7406] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.010550][ T7398] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7400] close(4 [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7392] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7400] <... close resumed>) = 0 [pid 7400] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7400] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7394] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7393] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... futex resumed>) = 0 [pid 7397] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... futex resumed>) = 0 [pid 7400] <... futex resumed>) = 0 [pid 7397] <... futex resumed>) = 1 [pid 7392] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7400] mkdir("./file1", 000) = 0 [pid 7400] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7400] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 237.035531][ T7399] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 237.048795][ T7399] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 237.058719][ T7398] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 237.072825][ T7394] overlayfs: upper fs needs to support d_type. [pid 7397] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7406] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7397] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... futex resumed>) = 0 [pid 7397] <... futex resumed>) = 1 [pid 7400] mkdir("./bus", 000) = 0 [pid 7391] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 1 [pid 7400] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] exit_group(0 [pid 7400] <... futex resumed>) = 0 [pid 7399] <... mount resumed>) = 0 [pid 7398] <... mount resumed>) = 0 [pid 7391] <... exit_group resumed>) = ? [pid 7406] +++ exited with 0 +++ [pid 7400] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7399] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7398] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7392] <... futex resumed>) = ? [pid 7398] <... openat resumed>) = 3 [pid 7399] <... openat resumed>) = 3 [pid 7392] +++ exited with 0 +++ [pid 7391] +++ exited with 0 +++ [pid 7399] chdir("./file0" [pid 7397] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] chdir("./file0" [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7391, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5010] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./111/binderfs") = 0 [pid 5010] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7400] <... futex resumed>) = 0 [pid 7399] <... chdir resumed>) = 0 [pid 7398] <... chdir resumed>) = 0 [pid 7397] <... futex resumed>) = 1 [pid 7400] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7399] ioctl(4, LOOP_CLR_FD [pid 7398] ioctl(4, LOOP_CLR_FD [pid 7397] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7393] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7399] <... ioctl resumed>) = 0 [pid 7398] <... ioctl resumed>) = 0 [pid 7394] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7394] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7394] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] close(4 [pid 7398] close(4 [pid 7394] <... futex resumed>) = 0 [pid 7393] <... futex resumed>) = 1 [pid 7399] <... close resumed>) = 0 [pid 7398] <... close resumed>) = 0 [pid 7394] mkdir(".", 0777 [pid 7393] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7399] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7399] <... futex resumed>) = 1 [pid 7398] <... futex resumed>) = 1 [pid 7396] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7394] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7399] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 237.081431][ T7394] overlayfs: upper fs does not support tmpfile. [ 237.092743][ T7394] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 237.112362][ T7394] overlayfs: failed to resolve './file0': -2 [ 237.117876][ T7400] overlayfs: upper fs needs to support d_type. [ 237.128213][ T7400] overlayfs: upper fs does not support tmpfile. [pid 7396] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7396] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7396] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7399] mkdir("./file1", 000 [pid 7398] mkdir("./file1", 000 [pid 7399] <... mkdir resumed>) = 0 [pid 7398] <... mkdir resumed>) = 0 [pid 7397] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7394] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7399] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 237.149179][ T7394] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.169870][ T7400] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7399] <... futex resumed>) = 1 [pid 7398] <... futex resumed>) = 1 [pid 7397] <... futex resumed>) = 0 [pid 7396] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7394] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7399] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7396] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] exit_group(0 [pid 7399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7397] <... mmap resumed>) = 0x7f76a8b35000 [pid 7396] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7394] <... futex resumed>) = ? [pid 7393] <... exit_group resumed>) = ? [pid 7400] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7399] mkdir("./bus", 000 [pid 7398] mkdir("./bus", 000 [pid 7397] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7396] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] +++ exited with 0 +++ [pid 7393] +++ exited with 0 +++ [pid 7400] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... mkdir resumed>) = 0 [pid 7400] <... futex resumed>) = 0 [pid 7398] <... mkdir resumed>) = 0 [pid 7400] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] <... mprotect resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7393, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 7397] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7398] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7398] <... futex resumed>) = 1 [pid 7397] <... clone resumed>, parent_tid=[7407], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7407 [pid 7396] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7399] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7396] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 237.197063][ T7400] overlayfs: failed to resolve './file0': -2 [pid 7395] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7397] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7399] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7398] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7397] <... futex resumed>) = 0 [pid 7396] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7407 attached [pid 7407] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7407] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7407] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7397] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./110/binderfs") = 0 [pid 5009] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7396] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7396] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7396] <... futex resumed>) = 0 [pid 7396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7396] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7395] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... mprotect resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7396] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7396] <... clone resumed>, parent_tid=[7408], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7408 [pid 7395] <... mmap resumed>) = 0x7f76a8b35000 [pid 7396] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7396] <... futex resumed>) = 0 [pid 7395] <... mprotect resumed>) = 0 [pid 7396] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7395] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7409], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7409 [pid 7395] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7395] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7409 attached [pid 7409] set_robust_list(0x7f76a8b559e0, 24) = 0 ./strace-static-x86_64: Process 7408 attached [pid 7409] mkdir(".", 0777 [pid 7408] set_robust_list(0x7f76a8b559e0, 24 [pid 7409] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7408] <... set_robust_list resumed>) = 0 [pid 7408] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7408] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 237.231203][ T7398] overlayfs: upper fs needs to support d_type. [ 237.238684][ T7399] overlayfs: upper fs needs to support d_type. [ 237.239149][ T7407] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.245110][ T7399] overlayfs: upper fs does not support tmpfile. [ 237.271789][ T7398] overlayfs: upper fs does not support tmpfile. [pid 7409] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... umount2 resumed>) = 0 [pid 7407] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7407] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7407] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] <... futex resumed>) = 0 [pid 7408] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7408] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... futex resumed>) = 0 [pid 7408] <... futex resumed>) = 1 [pid 7408] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7409] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7397] exit_group(0 [pid 5010] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7409] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7409] <... futex resumed>) = 1 [pid 7407] <... futex resumed>) = ? [ 237.316008][ T7398] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 237.323120][ T7409] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.325289][ T7408] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.350163][ T7398] overlayfs: failed to resolve './file0': -2 [pid 7400] <... futex resumed>) = ? [pid 7395] <... futex resumed>) = 0 [pid 5010] lstat("./111/file0", [pid 7407] +++ exited with 0 +++ [pid 7400] +++ exited with 0 +++ [pid 7397] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7397, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5011] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7409] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7398] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] lstat("./112/binderfs", [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7398] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7398] <... futex resumed>) = 0 [pid 5011] unlink("./112/binderfs" [pid 7398] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] <... unlink resumed>) = 0 [pid 5010] <... openat resumed>) = 4 [pid 7395] exit_group(0 [pid 5011] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] fstat(4, [pid 7409] <... futex resumed>) = ? [pid 7398] <... futex resumed>) = ? [pid 7395] <... exit_group resumed>) = ? [pid 7409] +++ exited with 0 +++ [pid 7398] +++ exited with 0 +++ [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7395] +++ exited with 0 +++ [pid 5010] getdents64(4, [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7395, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, [pid 7399] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... umount2 resumed>) = 0 [pid 7399] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] exit_group(0 [pid 5012] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(4, [pid 5009] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7408] <... futex resumed>) = ? [pid 7399] <... futex resumed>) = ? [pid 7396] <... exit_group resumed>) = ? [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7408] +++ exited with 0 +++ [pid 5012] lstat("./112/binderfs", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./112/binderfs") = 0 [pid 5012] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7399] +++ exited with 0 +++ [pid 7396] +++ exited with 0 +++ [pid 5010] close(4 [pid 5009] lstat("./110/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] rmdir("./111/file0" [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7396, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... rmdir resumed>) = 0 [pid 5008] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(3, [pid 5009] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [ 237.367244][ T7399] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 237.397299][ T7399] overlayfs: failed to resolve './file0': -2 [pid 5009] <... openat resumed>) = 4 [pid 5010] close(3 [pid 5009] fstat(4, [pid 5008] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... close resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] rmdir("./111" [pid 5009] getdents64(4, [pid 5008] <... openat resumed>) = 3 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] fstat(3, [pid 5010] mkdir("./112", 0777 [pid 5009] getdents64(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(3, [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] close(4 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5008] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] rmdir("./110/file0" [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] close(3 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] lstat("./110/binderfs", [pid 5010] <... close resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] unlink("./110/binderfs" [pid 5009] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7410 [pid 5009] <... close resumed>) = 0 [pid 5008] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] rmdir("./110") = 0 [pid 5009] mkdir("./111", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7411 ./strace-static-x86_64: Process 7410 attached [pid 7410] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7410] chdir("./112") = 0 [pid 7410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7410] setpgid(0, 0) = 0 [pid 7410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7410] write(3, "1000", 4) = 4 [pid 7410] close(3) = 0 ./strace-static-x86_64: Process 7411 attached [pid 7410] symlink("/dev/binderfs", "./binderfs" [pid 7411] set_robust_list(0x555556dec5e0, 24 [pid 7410] <... symlink resumed>) = 0 [pid 7411] <... set_robust_list resumed>) = 0 [pid 7411] chdir("./111" [pid 7410] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] <... chdir resumed>) = 0 [pid 7410] <... futex resumed>) = 0 [pid 7411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7411] <... prctl resumed>) = 0 [pid 7410] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] <... umount2 resumed>) = 0 [pid 7411] setpgid(0, 0 [pid 7410] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7411] <... setpgid resumed>) = 0 [pid 7410] <... mprotect resumed>) = 0 [pid 5011] lstat("./112/file0", [pid 7411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7410] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7411] <... openat resumed>) = 3 [pid 5011] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7412 attached [pid 7411] write(3, "1000", 4 [pid 5011] fstat(4, [pid 7412] set_robust_list(0x7f76b0b769e0, 24 [pid 7411] <... write resumed>) = 4 [pid 7410] <... clone resumed>, parent_tid=[7412], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7412 [pid 7412] <... set_robust_list resumed>) = 0 [pid 7411] close(3 [pid 7410] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7412] memfd_create("syzkaller", 0 [pid 7411] <... close resumed>) = 0 [pid 7410] <... futex resumed>) = 0 [pid 7412] <... memfd_create resumed>) = 3 [pid 7411] symlink("/dev/binderfs", "./binderfs" [pid 7410] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] getdents64(4, [pid 7412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7411] <... symlink resumed>) = 0 [pid 7411] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7412] <... mmap resumed>) = 0x7f76a8756000 [pid 7411] <... futex resumed>) = 0 [pid 5011] getdents64(4, [pid 7411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7411] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5011] close(4 [pid 7411] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... close resumed>) = 0 [pid 7411] <... clone resumed>, parent_tid=[7413], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7413 [pid 5011] rmdir("./112/file0" [pid 7411] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7411] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... rmdir resumed>) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./112") = 0 [pid 5011] mkdir("./113", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 ./strace-static-x86_64: Process 7413 attached [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7413] set_robust_list(0x7f76b0b769e0, 24 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] close(3 [pid 7413] <... set_robust_list resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7414 [pid 7413] memfd_create("syzkaller", 0) = 3 [pid 7413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5012] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7414 attached [pid 7414] set_robust_list(0x555556dec5e0, 24 [pid 5008] <... umount2 resumed>) = 0 [pid 7414] <... set_robust_list resumed>) = 0 [pid 7414] chdir("./113" [pid 5008] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7414] <... chdir resumed>) = 0 [pid 7414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7414] setpgid(0, 0 [pid 5008] lstat("./110/file0", [pid 7414] <... setpgid resumed>) = 0 [pid 5012] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7414] <... openat resumed>) = 3 [pid 5012] lstat("./112/file0", [pid 7414] write(3, "1000", 4 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7414] <... write resumed>) = 4 [pid 5012] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 4 [pid 7414] close(3 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7414] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(4, [pid 7414] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... openat resumed>) = 4 [pid 7414] <... symlink resumed>) = 0 [pid 5012] fstat(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7414] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7414] <... futex resumed>) = 0 [pid 5012] getdents64(4, [pid 5008] getdents64(4, [pid 7414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7414] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] getdents64(4, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7414] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7414] <... mprotect resumed>) = 0 [pid 5012] close(4 [pid 5008] getdents64(4, [pid 7414] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] rmdir("./112/file0"./strace-static-x86_64: Process 7415 attached [pid 7414] <... clone resumed>, parent_tid=[7415], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7415 [pid 7412] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] <... rmdir resumed>) = 0 [pid 5008] close(4 [pid 7415] set_robust_list(0x7f76b0b769e0, 24 [pid 7414] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 7415] <... set_robust_list resumed>) = 0 [pid 7414] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] <... close resumed>) = 0 [pid 7415] memfd_create("syzkaller", 0 [pid 7414] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] close(3 [pid 7415] <... memfd_create resumed>) = 3 [pid 5012] <... close resumed>) = 0 [pid 5008] rmdir("./110/file0" [pid 7415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] rmdir("./112" [pid 7415] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] <... rmdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5012] mkdir("./113", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5008] getdents64(3, [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] close(3 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] close(3 [pid 7413] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7416 [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./110"./strace-static-x86_64: Process 7416 attached ) = 0 [pid 5008] mkdir("./111", 0777 [pid 7416] set_robust_list(0x555556dec5e0, 24 [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7416] <... set_robust_list resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7416] chdir("./113" [pid 5008] close(3 [pid 7416] <... chdir resumed>) = 0 [pid 7416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... close resumed>) = 0 [pid 7416] <... prctl resumed>) = 0 [pid 7416] setpgid(0, 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7416] <... setpgid resumed>) = 0 [pid 7416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7416] write(3, "1000", 4) = 4 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7417 [pid 7416] close(3) = 0 [pid 7416] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7417 attached ) = 0 [pid 7417] set_robust_list(0x555556dec5e0, 24 [pid 7416] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... set_robust_list resumed>) = 0 [pid 7416] <... futex resumed>) = 0 [pid 7417] chdir("./111" [pid 7416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7417] <... chdir resumed>) = 0 [pid 7416] <... mmap resumed>) = 0x7f76b0b56000 [pid 7417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7416] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7417] <... prctl resumed>) = 0 [pid 7416] <... mprotect resumed>) = 0 [pid 7417] setpgid(0, 0 [pid 7416] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7417] <... setpgid resumed>) = 0 [pid 7417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7416] <... clone resumed>, parent_tid=[7418], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7418 [pid 7417] <... openat resumed>) = 3 [pid 7416] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] write(3, "1000", 4 [pid 7416] <... futex resumed>) = 0 [pid 7417] <... write resumed>) = 4 [pid 7416] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7417] close(3) = 0 [pid 7417] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7418 attached ) = 0 [pid 7418] set_robust_list(0x7f76b0b769e0, 24 [pid 7417] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] <... set_robust_list resumed>) = 0 [pid 7417] <... futex resumed>) = 0 [pid 7418] memfd_create("syzkaller", 0 [pid 7417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7418] <... memfd_create resumed>) = 3 [pid 7417] <... mmap resumed>) = 0x7f76b0b56000 [pid 7418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7417] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7418] <... mmap resumed>) = 0x7f76a8756000 [pid 7417] <... mprotect resumed>) = 0 [pid 7417] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7419 [pid 7417] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7417] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7419 attached [pid 7419] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7419] memfd_create("syzkaller", 0) = 3 [pid 7419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7415] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7419] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7418] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7412] <... write resumed>) = 4194304 [pid 7412] munmap(0x7f76a8756000, 4194304) = 0 [pid 7412] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7412] ioctl(4, LOOP_SET_FD, 3 [pid 7413] <... write resumed>) = 4194304 [pid 7412] <... ioctl resumed>) = 0 [pid 7413] munmap(0x7f76a8756000, 4194304 [pid 7412] close(3 [pid 7413] <... munmap resumed>) = 0 [pid 7412] <... close resumed>) = 0 [pid 7415] <... write resumed>) = 4194304 [pid 7413] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7412] mkdir("./file0", 0777 [pid 7415] munmap(0x7f76a8756000, 4194304 [pid 7413] <... openat resumed>) = 4 [pid 7413] ioctl(4, LOOP_SET_FD, 3 [pid 7412] <... mkdir resumed>) = 0 [pid 7412] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7415] <... munmap resumed>) = 0 [pid 7415] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7413] <... ioctl resumed>) = 0 [pid 7415] ioctl(4, LOOP_SET_FD, 3 [ 237.839569][ T7412] loop2: detected capacity change from 0 to 8192 [ 237.872075][ T7413] loop1: detected capacity change from 0 to 8192 [pid 7413] close(3) = 0 [pid 7413] mkdir("./file0", 0777 [pid 7415] <... ioctl resumed>) = 0 [pid 7413] <... mkdir resumed>) = 0 [pid 7415] close(3 [pid 7413] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7415] <... close resumed>) = 0 [pid 7415] mkdir("./file0", 0777) = 0 [ 237.888097][ T7415] loop3: detected capacity change from 0 to 8192 [ 237.896493][ T7412] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.919028][ T7413] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7415] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7418] <... write resumed>) = 4194304 [pid 7418] munmap(0x7f76a8756000, 4194304 [pid 7419] <... write resumed>) = 4194304 [pid 7419] munmap(0x7f76a8756000, 4194304) = 0 [pid 7418] <... munmap resumed>) = 0 [pid 7419] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 237.929036][ T7412] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 237.938180][ T7415] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.953665][ T7413] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 237.954667][ T7415] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 237.974598][ T7412] REISERFS (device loop2): using ordered data mode [ 237.981363][ T7415] REISERFS (device loop3): using ordered data mode [pid 7419] ioctl(4, LOOP_SET_FD, 3 [pid 7418] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7419] <... ioctl resumed>) = 0 [pid 7419] close(3) = 0 [pid 7419] mkdir("./file0", 0777) = 0 [pid 7419] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7418] <... openat resumed>) = 4 [pid 7418] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7418] close(3) = 0 [pid 7418] mkdir("./file0", 0777) = 0 [ 237.985189][ T7419] loop0: detected capacity change from 0 to 8192 [ 237.988789][ T7415] reiserfs: using flush barriers [ 238.000260][ T7413] REISERFS (device loop1): using ordered data mode [ 238.003475][ T7412] reiserfs: using flush barriers [ 238.007234][ T7418] loop4: detected capacity change from 0 to 8192 [ 238.014684][ T7413] reiserfs: using flush barriers [ 238.023442][ T7415] 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 [ 238.026454][ T7412] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.040209][ T7415] REISERFS (device loop3): checking transaction log (loop3) [ 238.056593][ T7419] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 238.064376][ T7412] REISERFS (device loop2): checking transaction log (loop2) [ 238.078456][ T7413] 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 [ 238.084342][ T7419] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 238.109413][ T7419] REISERFS (device loop0): using ordered data mode [ 238.110367][ T7412] REISERFS (device loop2): Using r5 hash to sort names [ 238.116421][ T7418] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 238.123764][ T7412] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.136190][ T7419] reiserfs: using flush barriers [ 238.154990][ T7415] REISERFS (device loop3): Using r5 hash to sort names [ 238.155098][ T7413] REISERFS (device loop1): checking transaction log (loop1) [ 238.162011][ T7418] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7418] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7412] <... mount resumed>) = 0 [pid 7412] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7412] chdir("./file0") = 0 [pid 7412] ioctl(4, LOOP_CLR_FD) = 0 [pid 7412] close(4) = 0 [pid 7412] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 0 [pid 7410] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] <... futex resumed>) = 1 [pid 7412] mkdir("./file1", 000) = 0 [pid 7412] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 0 [pid 7410] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] <... futex resumed>) = 1 [pid 7412] mkdir("./bus", 000) = 0 [pid 7412] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 0 [pid 7410] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] <... futex resumed>) = 1 [ 238.171467][ T7419] 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 [ 238.179030][ T7415] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.195992][ T7419] REISERFS (device loop0): checking transaction log (loop0) [ 238.208949][ T7412] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 238.216496][ T7419] REISERFS (device loop0): Using r5 hash to sort names [ 238.232934][ T7418] REISERFS (device loop4): using ordered data mode [ 238.240342][ T7412] overlayfs: upper fs needs to support d_type. [ 238.246207][ T7419] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.251280][ T7412] overlayfs: upper fs does not support tmpfile. [ 238.266866][ T7413] REISERFS (device loop1): Using r5 hash to sort names [ 238.275038][ T7419] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 238.275813][ T7418] reiserfs: using flush barriers [pid 7412] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7419] <... mount resumed>) = 0 [pid 7410] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7410] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7410] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7410] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7425], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7425 [pid 7410] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7419] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7415] <... mount resumed>) = 0 [pid 7419] <... openat resumed>) = 3 [pid 7415] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7419] chdir("./file0" [pid 7415] chdir("./file0" [pid 7419] <... chdir resumed>) = 0 [pid 7415] <... chdir resumed>) = 0 [pid 7419] ioctl(4, LOOP_CLR_FD [pid 7415] ioctl(4, LOOP_CLR_FD [pid 7419] <... ioctl resumed>) = 0 [pid 7415] <... ioctl resumed>) = 0 [pid 7419] close(4 [pid 7415] close(4 [pid 7419] <... close resumed>) = 0 [pid 7415] <... close resumed>) = 0 [pid 7419] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... futex resumed>) = 1 [pid 7417] <... futex resumed>) = 0 [pid 7419] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] <... futex resumed>) = 1 [pid 7414] <... futex resumed>) = 0 [pid 7419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7417] <... futex resumed>) = 0 [pid 7414] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7414] <... futex resumed>) = 0 [pid 7414] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7415] mkdir("./file1", 000 [pid 7419] mkdir("./file1", 000 [pid 7415] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7425 attached [pid 7419] <... mkdir resumed>) = 0 [pid 7419] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 238.285150][ T7415] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 238.293755][ T7413] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.301097][ T7412] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 238.327958][ T7412] overlayfs: failed to resolve './file0': -2 [pid 7415] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... futex resumed>) = 1 [pid 7417] <... futex resumed>) = 0 [pid 7425] set_robust_list(0x7f76a8b559e0, 24 [pid 7419] mkdir("./bus", 000 [pid 7417] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] <... futex resumed>) = 0 [pid 7414] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7413] <... mount resumed>) = 0 [pid 7412] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7419] <... mkdir resumed>) = 0 [pid 7415] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7413] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7412] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] <... openat resumed>) = 3 [pid 7412] <... futex resumed>) = 0 [pid 7419] <... futex resumed>) = 0 [pid 7413] chdir("./file0" [pid 7412] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7419] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7413] <... chdir resumed>) = 0 [pid 7413] ioctl(4, LOOP_CLR_FD) = 0 [pid 7413] close(4 [pid 7425] <... set_robust_list resumed>) = 0 [pid 7419] <... futex resumed>) = 0 [pid 7417] <... futex resumed>) = 1 [pid 7414] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] <... close resumed>) = 0 [ 238.338800][ T7413] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 238.339169][ T7418] 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 [ 238.373434][ T7418] REISERFS (device loop4): checking transaction log (loop4) [ 238.382623][ T7418] REISERFS (device loop4): Using r5 hash to sort names [pid 7419] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7413] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] mkdir(".", 0777 [pid 7417] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7415] <... futex resumed>) = 0 [pid 7414] <... futex resumed>) = 1 [pid 7413] <... futex resumed>) = 1 [pid 7413] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7425] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7415] mkdir("./bus", 000 [pid 7414] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7411] <... futex resumed>) = 0 [pid 7425] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7417] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... futex resumed>) = 0 [pid 7417] <... futex resumed>) = 1 [pid 7415] <... mkdir resumed>) = 0 [pid 7411] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 238.406631][ T7418] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.420581][ T7418] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 238.435983][ T7419] overlayfs: upper fs needs to support d_type. [ 238.438645][ T7425] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7419] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7417] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7415] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] <... futex resumed>) = 0 [pid 7411] <... futex resumed>) = 1 [pid 7425] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7418] <... mount resumed>) = 0 [pid 7415] <... futex resumed>) = 1 [pid 7414] <... futex resumed>) = 0 [pid 7413] mkdir("./file1", 000 [pid 7411] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7425] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7415] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7413] <... mkdir resumed>) = 0 [pid 7413] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7413] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7414] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] <... futex resumed>) = 1 [pid 7418] <... openat resumed>) = 3 [pid 7415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7410] <... futex resumed>) = 0 [pid 7414] <... futex resumed>) = 0 [pid 7425] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7418] chdir("./file0" [pid 7415] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7411] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] exit_group(0 [pid 7418] <... chdir resumed>) = 0 [pid 7414] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7425] <... futex resumed>) = ? [pid 7418] ioctl(4, LOOP_CLR_FD [pid 7413] <... futex resumed>) = 0 [pid 7412] <... futex resumed>) = ? [pid 7411] <... futex resumed>) = 1 [pid 7410] <... exit_group resumed>) = ? [pid 7413] mkdir("./bus", 000 [pid 7412] +++ exited with 0 +++ [pid 7413] <... mkdir resumed>) = 0 [pid 7411] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7413] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7413] <... futex resumed>) = 0 [pid 7411] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] +++ exited with 0 +++ [pid 7418] <... ioctl resumed>) = 0 [ 238.442567][ T7419] overlayfs: upper fs does not support tmpfile. [ 238.466017][ T7419] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 238.474763][ T7419] overlayfs: failed to resolve './file0': -2 [ 238.486844][ T7415] overlayfs: upper fs needs to support d_type. [ 238.493111][ T7415] overlayfs: upper fs does not support tmpfile. [pid 7413] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7411] <... futex resumed>) = 0 [pid 7410] +++ exited with 0 +++ [pid 7418] close(4 [pid 7417] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7411] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7418] <... close resumed>) = 0 [pid 7417] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7410, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} --- [pid 7419] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... futex resumed>) = 0 [pid 7414] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7419] <... futex resumed>) = 0 [pid 7418] <... futex resumed>) = 1 [pid 7417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7416] <... futex resumed>) = 0 [pid 7414] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... restart_syscall resumed>) = 0 [pid 7419] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7418] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] <... mmap resumed>) = 0x7f76a8b35000 [pid 7416] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... futex resumed>) = 0 [pid 7418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7417] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7416] <... futex resumed>) = 0 [pid 7415] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7418] mkdir("./file1", 000 [pid 7417] <... mprotect resumed>) = 0 [pid 7416] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7415] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... mmap resumed>) = 0x7f76a8b35000 [pid 5010] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7418] <... mkdir resumed>) = 0 [pid 7417] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7415] <... futex resumed>) = 0 [pid 7414] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, [pid 7418] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7414] <... mprotect resumed>) = 0 [pid 5010] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7418] <... futex resumed>) = 1 [pid 7417] <... clone resumed>, parent_tid=[7426], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7426 [pid 7416] <... futex resumed>) = 0 [pid 7414] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] lstat("./112/binderfs", ./strace-static-x86_64: Process 7426 attached [ 238.506455][ T7413] overlayfs: upper fs needs to support d_type. [ 238.512616][ T7415] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 238.516668][ T7413] overlayfs: upper fs does not support tmpfile. [ 238.522124][ T7415] overlayfs: failed to resolve './file0': -2 [ 238.547228][ T7413] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7418] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7426] set_robust_list(0x7f76a8b559e0, 24 [pid 7411] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] unlink("./112/binderfs" [pid 7426] <... set_robust_list resumed>) = 0 [pid 7411] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... unlink resumed>) = 0 [pid 7426] mkdir(".", 0777 [pid 7411] <... futex resumed>) = 0 [pid 5010] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7426] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7417] <... futex resumed>) = 0 [pid 7416] <... futex resumed>) = 0 [pid 7414] <... clone resumed>, parent_tid=[7427], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7427 [pid 7411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7427 attached [pid 7426] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7411] <... mmap resumed>) = 0x7f76a8b35000 [pid 7427] set_robust_list(0x7f76a8b559e0, 24 [pid 7418] mkdir("./bus", 000 [pid 7417] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7416] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7414] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7427] <... set_robust_list resumed>) = 0 [pid 7418] <... mkdir resumed>) = 0 [pid 7414] <... futex resumed>) = 0 [pid 7411] <... mprotect resumed>) = 0 [pid 7427] mkdir(".", 0777 [pid 7418] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7411] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7418] <... futex resumed>) = 1 [pid 7416] <... futex resumed>) = 0 [pid 7418] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7416] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7416] <... futex resumed>) = 0 [pid 7418] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7416] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7427] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7413] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7413] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 238.564498][ T7413] overlayfs: failed to resolve './file0': -2 [ 238.587815][ T7426] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 238.602903][ T7418] overlayfs: upper fs needs to support d_type. [pid 7413] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7427] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7411] <... clone resumed>, parent_tid=[7428], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7428 [pid 7411] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7428 attached [pid 7427] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7426] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7411] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7428] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7428] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7428] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7426] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... futex resumed>) = 1 [pid 7426] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] <... futex resumed>) = 0 [pid 7416] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7427] <... futex resumed>) = 1 [pid 7417] exit_group(0 [pid 7416] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... futex resumed>) = 0 [pid 7419] <... futex resumed>) = ? [pid 7417] <... exit_group resumed>) = ? [pid 7416] <... futex resumed>) = 0 [pid 7414] exit_group(0 [pid 7426] <... futex resumed>) = ? [pid 7419] +++ exited with 0 +++ [pid 7416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7415] <... futex resumed>) = ? [pid 7414] <... exit_group resumed>) = ? [pid 7416] <... mmap resumed>) = 0x7f76a8b35000 [ 238.610253][ T7418] overlayfs: upper fs does not support tmpfile. [ 238.618649][ T7418] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 238.625042][ T7427] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 238.628617][ T7418] overlayfs: failed to resolve './file0': -2 [pid 7415] +++ exited with 0 +++ [pid 7426] +++ exited with 0 +++ [pid 7417] +++ exited with 0 +++ [pid 7416] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7427] +++ exited with 0 +++ [pid 7418] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7416] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7414] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7417, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7418] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7416] <... clone resumed>, parent_tid=[7429], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7429 [pid 7418] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7416] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7414, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5010] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7429 attached [pid 7416] <... futex resumed>) = 0 [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 7429] set_robust_list(0x7f76a8b559e0, 24 [pid 7416] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7429] <... set_robust_list resumed>) = 0 [pid 5011] <... restart_syscall resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./112/file0", [pid 7429] mkdir(".", 0777 [pid 5011] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7429] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5011] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7429] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5011] <... openat resumed>) = 3 [pid 5011] fstat(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, [pid 5010] <... openat resumed>) = 4 [pid 5008] getdents64(3, [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] fstat(4, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./113/binderfs", [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] lstat("./111/binderfs", [pid 5010] getdents64(4, [pid 5011] unlink("./113/binderfs" [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5008] unlink("./111/binderfs" [pid 5010] close(4 [pid 5008] <... unlink resumed>) = 0 [pid 5011] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... close resumed>) = 0 [pid 5008] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7428] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7428] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] <... futex resumed>) = 0 [pid 7411] exit_group(0 [pid 7413] <... futex resumed>) = ? [pid 7411] <... exit_group resumed>) = ? [pid 7413] +++ exited with 0 +++ [pid 7428] <... futex resumed>) = ? [pid 7428] +++ exited with 0 +++ [pid 7411] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7411, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5010] rmdir("./112/file0") = 0 [pid 5009] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] getdents64(3, [pid 5009] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] close(3 [pid 5009] getdents64(3, [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./112" [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... rmdir resumed>) = 0 [pid 5010] mkdir("./113", 0777 [pid 5009] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] <... mkdir resumed>) = 0 [pid 5009] lstat("./111/binderfs", [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] unlink("./111/binderfs" [pid 7429] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... unlink resumed>) = 0 [pid 7429] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] close(3 [pid 5009] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7429] <... futex resumed>) = 1 [pid 5010] <... close resumed>) = 0 [pid 7429] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7416] <... futex resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7416] exit_group(0 [pid 7418] <... futex resumed>) = ? [pid 7416] <... exit_group resumed>) = ? [pid 7429] <... futex resumed>) = ? [pid 7418] +++ exited with 0 +++ [ 238.676474][ T7428] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 238.710121][ T7429] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7430 [pid 7429] +++ exited with 0 +++ [pid 7416] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7416, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5012] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 7430 attached [pid 5012] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7430] set_robust_list(0x555556dec5e0, 24 [pid 5012] lstat("./113/binderfs", [pid 7430] <... set_robust_list resumed>) = 0 [pid 7430] chdir("./113" [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./113/binderfs" [pid 7430] <... chdir resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 7430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7430] <... prctl resumed>) = 0 [pid 7430] setpgid(0, 0) = 0 [pid 7430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7430] write(3, "1000", 4) = 4 [pid 7430] close(3) = 0 [pid 7430] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7430] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7430] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7430] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7431], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7431 [pid 7430] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7430] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7431 attached [pid 7431] set_robust_list(0x7f76b0b769e0, 24 [pid 5008] <... umount2 resumed>) = 0 [pid 7431] <... set_robust_list resumed>) = 0 [pid 7431] memfd_create("syzkaller", 0) = 3 [pid 7431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5008] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./111/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./111/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./111") = 0 [pid 5008] mkdir("./112", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7432 ./strace-static-x86_64: Process 7432 attached [pid 7432] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7432] chdir("./112") = 0 [pid 7432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7432] setpgid(0, 0) = 0 [pid 7432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... umount2 resumed>) = 0 [pid 7432] <... openat resumed>) = 3 [pid 7432] write(3, "1000", 4) = 4 [pid 7432] close(3) = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./113/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7432] symlink("/dev/binderfs", "./binderfs" [pid 5011] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7432] <... symlink resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7432] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... openat resumed>) = 4 [pid 5011] fstat(4, [pid 7432] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7432] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5011] getdents64(4, [pid 7432] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 7432] <... clone resumed>, parent_tid=[7433], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7433 [pid 7432] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 7432] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./113/file0") = 0 [pid 5012] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] getdents64(3, [pid 5012] lstat("./113/file0", [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7431] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7433 attached [pid 5012] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] close(3 [pid 5009] <... umount2 resumed>) = 0 [pid 7433] set_robust_list(0x7f76b0b769e0, 24 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7433] <... set_robust_list resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7433] memfd_create("syzkaller", 0 [pid 5012] <... openat resumed>) = 4 [pid 5009] lstat("./111/file0", [pid 7433] <... memfd_create resumed>) = 3 [pid 5012] fstat(4, [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7433] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] getdents64(4, [pid 5009] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] getdents64(4, [pid 5009] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] rmdir("./113" [pid 5009] <... openat resumed>) = 4 [pid 5012] close(4 [pid 5009] fstat(4, [pid 5012] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] rmdir("./113/file0" [pid 5011] mkdir("./114", 0777 [pid 5009] getdents64(4, [pid 5012] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(3, [pid 5011] <... mkdir resumed>) = 0 [pid 5009] getdents64(4, [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5012] close(3 [pid 5009] close(4 [pid 5012] <... close resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5012] rmdir("./113" [pid 5009] rmdir("./111/file0" [pid 5012] <... rmdir resumed>) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5009] <... rmdir resumed>) = 0 [pid 5012] mkdir("./114", 0777 [pid 5009] getdents64(3, [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5009] close(3 [pid 5012] <... openat resumed>) = 3 [pid 5011] close(3 [pid 5009] <... close resumed>) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5009] rmdir("./111" [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... close resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5012] close(3 [pid 5009] mkdir("./112", 0777 [pid 5012] <... close resumed>) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7434 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7435 ./strace-static-x86_64: Process 7435 attached [pid 7435] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7435] chdir("./112") = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7435] setpgid(0, 0) = 0 [pid 7435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7436 [pid 7435] write(3, "1000", 4 [pid 7433] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7436 attached ./strace-static-x86_64: Process 7434 attached [pid 7435] <... write resumed>) = 4 [pid 7435] close(3 [pid 7436] set_robust_list(0x555556dec5e0, 24 [pid 7435] <... close resumed>) = 0 [pid 7436] <... set_robust_list resumed>) = 0 [pid 7435] symlink("/dev/binderfs", "./binderfs" [pid 7434] set_robust_list(0x555556dec5e0, 24 [pid 7436] chdir("./114" [pid 7435] <... symlink resumed>) = 0 [pid 7434] <... set_robust_list resumed>) = 0 [pid 7436] <... chdir resumed>) = 0 [pid 7435] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] chdir("./114" [pid 7431] <... write resumed>) = 4194304 [pid 7435] <... futex resumed>) = 0 [pid 7434] <... chdir resumed>) = 0 [pid 7436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7431] munmap(0x7f76a8756000, 4194304 [pid 7435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7436] <... prctl resumed>) = 0 [pid 7435] <... mmap resumed>) = 0x7f76b0b56000 [pid 7435] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7436] setpgid(0, 0 [pid 7435] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7431] <... munmap resumed>) = 0 [pid 7436] <... setpgid resumed>) = 0 [pid 7435] <... clone resumed>, parent_tid=[7437], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7437 [pid 7434] <... prctl resumed>) = 0 [pid 7431] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7435] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] setpgid(0, 0 [pid 7431] <... openat resumed>) = 4 [pid 7436] <... openat resumed>) = 3 [pid 7435] <... futex resumed>) = 0 [pid 7434] <... setpgid resumed>) = 0 [pid 7431] ioctl(4, LOOP_SET_FD, 3 [pid 7436] write(3, "1000", 4 [pid 7435] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7436] <... write resumed>) = 4 [pid 7434] write(3, "1000", 4 [pid 7436] close(3 [pid 7434] <... write resumed>) = 4 [pid 7436] <... close resumed>) = 0 [pid 7434] close(3 [pid 7436] symlink("/dev/binderfs", "./binderfs" [pid 7434] <... close resumed>) = 0 [pid 7436] <... symlink resumed>) = 0 [pid 7434] symlink("/dev/binderfs", "./binderfs" [pid 7436] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7434] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 7437 attached [pid 7436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7434] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... mmap resumed>) = 0x7f76b0b56000 [pid 7437] set_robust_list(0x7f76b0b769e0, 24 [pid 7434] <... futex resumed>) = 0 [pid 7431] <... ioctl resumed>) = 0 [pid 7437] <... set_robust_list resumed>) = 0 [pid 7436] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7431] close(3 [pid 7436] <... mprotect resumed>) = 0 [pid 7434] <... mmap resumed>) = 0x7f76b0b56000 [pid 7437] memfd_create("syzkaller", 0 [pid 7436] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7434] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7431] <... close resumed>) = 0 [pid 7437] <... memfd_create resumed>) = 3 [pid 7434] <... mprotect resumed>) = 0 [pid 7431] mkdir("./file0", 0777 [pid 7437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7436] <... clone resumed>, parent_tid=[7438], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7438 [pid 7434] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7431] <... mkdir resumed>) = 0 [pid 7437] <... mmap resumed>) = 0x7f76a8756000 [pid 7436] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7439 attached ./strace-static-x86_64: Process 7438 attached [pid 7438] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7438] memfd_create("syzkaller", 0 [pid 7436] <... futex resumed>) = 0 [pid 7434] <... clone resumed>, parent_tid=[7439], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7439 [pid 7439] set_robust_list(0x7f76b0b769e0, 24 [pid 7438] <... memfd_create resumed>) = 3 [pid 7436] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7434] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... set_robust_list resumed>) = 0 [pid 7438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7434] <... futex resumed>) = 0 [pid 7438] <... mmap resumed>) = 0x7f76a8756000 [pid 7439] memfd_create("syzkaller", 0 [pid 7434] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7433] <... write resumed>) = 4194304 [pid 7439] <... memfd_create resumed>) = 3 [ 239.065036][ T7431] loop2: detected capacity change from 0 to 8192 [pid 7439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7433] munmap(0x7f76a8756000, 4194304) = 0 [ 239.124552][ T7431] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7433] ioctl(4, LOOP_SET_FD, 3 [pid 7438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7433] <... ioctl resumed>) = 0 [pid 7433] close(3) = 0 [pid 7433] mkdir("./file0", 0777) = 0 [pid 7433] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7439] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 239.177719][ T7431] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 239.189331][ T7433] loop0: detected capacity change from 0 to 8192 [ 239.190889][ T7431] REISERFS (device loop2): using ordered data mode [ 239.204233][ T7431] reiserfs: using flush barriers [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) = 4194304 [ 239.222559][ T7431] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.243049][ T7433] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7439] <... write resumed>) = 4194304 [pid 7439] munmap(0x7f76a8756000, 4194304 [pid 7437] munmap(0x7f76a8756000, 4194304 [pid 7439] <... munmap resumed>) = 0 [pid 7437] <... munmap resumed>) = 0 [pid 7439] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7439] ioctl(4, LOOP_SET_FD, 3 [pid 7437] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 239.296094][ T7433] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 239.310995][ T7431] REISERFS (device loop2): checking transaction log (loop2) [ 239.319045][ T7433] REISERFS (device loop0): using ordered data mode [ 239.326376][ T7433] reiserfs: using flush barriers [ 239.330064][ T7439] loop4: detected capacity change from 0 to 8192 [ 239.331487][ T7431] REISERFS (device loop2): Using r5 hash to sort names [pid 7437] ioctl(4, LOOP_SET_FD, 3 [pid 7439] <... ioctl resumed>) = 0 [pid 7431] <... mount resumed>) = 0 [pid 7439] close(3 [pid 7431] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7439] <... close resumed>) = 0 [pid 7431] <... openat resumed>) = 3 [pid 7439] mkdir("./file0", 0777 [pid 7431] chdir("./file0" [pid 7439] <... mkdir resumed>) = 0 [pid 7431] <... chdir resumed>) = 0 [pid 7439] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7431] ioctl(4, LOOP_CLR_FD) = 0 [ 239.343083][ T7437] loop1: detected capacity change from 0 to 8192 [ 239.347300][ T7431] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.351403][ T7433] 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 [ 239.364558][ T7431] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7431] close(4 [pid 7438] <... write resumed>) = 4194304 [pid 7437] <... ioctl resumed>) = 0 [pid 7431] <... close resumed>) = 0 [pid 7438] munmap(0x7f76a8756000, 4194304 [pid 7437] close(3 [pid 7431] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] <... close resumed>) = 0 [pid 7438] <... munmap resumed>) = 0 [pid 7437] mkdir("./file0", 0777 [pid 7431] <... futex resumed>) = 1 [pid 7430] <... futex resumed>) = 0 [pid 7438] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7437] <... mkdir resumed>) = 0 [pid 7431] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... openat resumed>) = 4 [pid 7437] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7430] <... futex resumed>) = 0 [pid 7438] ioctl(4, LOOP_SET_FD, 3 [pid 7431] mkdir("./file1", 000 [ 239.407292][ T7433] REISERFS (device loop0): checking transaction log (loop0) [ 239.416120][ T7439] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.430974][ T7433] REISERFS (device loop0): Using r5 hash to sort names [ 239.446602][ T7438] loop3: detected capacity change from 0 to 8192 [pid 7430] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7431] <... mkdir resumed>) = 0 [pid 7431] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7430] <... futex resumed>) = 0 [pid 7438] <... ioctl resumed>) = 0 [pid 7431] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 239.448875][ T7439] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 239.463614][ T7437] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.464540][ T7439] REISERFS (device loop4): using ordered data mode [ 239.477987][ T7433] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.484684][ T7439] reiserfs: using flush barriers [pid 7430] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] <... mount resumed>) = 0 [pid 7433] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7433] chdir("./file0") = 0 [pid 7433] ioctl(4, LOOP_CLR_FD) = 0 [pid 7433] close(4) = 0 [pid 7433] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] <... futex resumed>) = 0 [pid 7432] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7433] <... futex resumed>) = 1 [pid 7438] close(3 [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7430] <... futex resumed>) = 0 [pid 7433] mkdir("./file1", 000) = 0 [pid 7433] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] <... futex resumed>) = 0 [pid 7432] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7433] <... futex resumed>) = 1 [pid 7433] mkdir("./bus", 000) = 0 [pid 7433] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] <... futex resumed>) = 0 [pid 7432] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7433] <... futex resumed>) = 1 [pid 7433] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7438] <... close resumed>) = 0 [pid 7431] mkdir("./bus", 000 [pid 7430] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 239.501614][ T7437] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 239.505200][ T7439] 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 [ 239.511003][ T7433] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 239.541538][ T7437] REISERFS (device loop1): using ordered data mode [ 239.550018][ T7433] overlayfs: upper fs needs to support d_type. [pid 7438] mkdir("./file0", 0777) = 0 [pid 7431] <... mkdir resumed>) = 0 [pid 7438] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7431] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7430] <... futex resumed>) = 0 [pid 7431] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7431] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7430] <... futex resumed>) = 0 [pid 7432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7432] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 239.555965][ T7439] REISERFS (device loop4): checking transaction log (loop4) [ 239.557233][ T7433] overlayfs: upper fs does not support tmpfile. [ 239.566548][ T7439] REISERFS (device loop4): Using r5 hash to sort names [ 239.571182][ T7437] reiserfs: using flush barriers [ 239.584605][ T7433] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7432] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7432] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7430] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] <... clone resumed>, parent_tid=[7446], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7446 [pid 7432] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7446 attached [pid 7446] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7446] mkdir(".", 0777) = -1 EEXIST (File exists) [ 239.598780][ T7438] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.601051][ T7433] overlayfs: failed to resolve './file0': -2 [ 239.613106][ T7431] overlayfs: upper fs needs to support d_type. [ 239.625026][ T7437] 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 [ 239.645415][ T7446] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7446] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7430] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7433] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7433] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7430] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7446] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7430] <... futex resumed>) = 0 [pid 7430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7430] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7430] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7446] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] <... clone resumed>, parent_tid=[7448], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7448 [pid 7432] <... futex resumed>) = 0 [pid 7432] exit_group(0 [pid 7433] <... futex resumed>) = ? [pid 7432] <... exit_group resumed>) = ? [pid 7433] +++ exited with 0 +++ [pid 7446] <... futex resumed>) = ? [pid 7446] +++ exited with 0 +++ [pid 7432] +++ exited with 0 +++ [pid 7430] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7448 attached ) = 0 [pid 7430] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7432, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 7448] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 5008] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7448] mkdir(".", 0777 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7448] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7448] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 239.646324][ T7431] overlayfs: upper fs does not support tmpfile. [ 239.659611][ T7439] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.666064][ T7438] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 239.698279][ T7437] REISERFS (device loop1): checking transaction log (loop1) [pid 5008] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, [pid 7439] <... mount resumed>) = 0 [pid 7439] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7439] chdir("./file0") = 0 [pid 7439] ioctl(4, LOOP_CLR_FD) = 0 [pid 7439] close(4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./112/binderfs") = 0 [pid 7439] <... close resumed>) = 0 [pid 7439] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 239.708877][ T7431] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 239.712881][ T7439] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 239.719466][ T7431] overlayfs: failed to resolve './file0': -2 [ 239.727311][ T7438] REISERFS (device loop3): using ordered data mode [ 239.734406][ T7437] REISERFS (device loop1): Using r5 hash to sort names [pid 7439] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7434] <... futex resumed>) = 0 [pid 7434] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5008] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7434] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7439] <... futex resumed>) = 0 [pid 7439] mkdir("./file1", 000) = 0 [pid 7439] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7439] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7434] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... futex resumed>) = 0 [pid 7434] <... futex resumed>) = 1 [pid 7439] mkdir("./bus", 000) = 0 [pid 7434] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7439] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7434] <... futex resumed>) = 0 [pid 7439] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7434] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7434] <... futex resumed>) = 0 [ 239.753808][ T7448] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 239.784564][ T7438] reiserfs: using flush barriers [ 239.791725][ T7437] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7431] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7448] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7434] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7448] <... futex resumed>) = 1 [pid 7431] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] <... futex resumed>) = 0 [pid 7448] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7431] <... futex resumed>) = 0 [pid 7430] exit_group(0 [pid 7431] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] <... exit_group resumed>) = ? [pid 7448] <... futex resumed>) = ? [pid 7431] <... futex resumed>) = ? [pid 7448] +++ exited with 0 +++ [pid 7431] +++ exited with 0 +++ [pid 7430] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7430, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- [pid 5010] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7437] <... mount resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [ 239.794598][ T7439] overlayfs: upper fs needs to support d_type. [ 239.805391][ T7438] 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 [ 239.827409][ T7437] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 239.843670][ T7438] REISERFS (device loop3): checking transaction log (loop3) [ 239.853178][ T7439] overlayfs: upper fs does not support tmpfile. [pid 7437] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] fstat(3, [pid 7437] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7437] chdir("./file0" [pid 5010] getdents64(3, [pid 7437] <... chdir resumed>) = 0 [pid 7437] ioctl(4, LOOP_CLR_FD [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7437] <... ioctl resumed>) = 0 [pid 5010] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7437] close(4 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7437] <... close resumed>) = 0 [pid 7434] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] lstat("./113/binderfs", [pid 7437] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7439] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7437] <... futex resumed>) = 1 [pid 7435] <... futex resumed>) = 0 [pid 7434] <... mmap resumed>) = 0x7f76a8b35000 [pid 7439] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5010] unlink("./113/binderfs" [pid 7434] <... mprotect resumed>) = 0 [pid 7434] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7449 [pid 7439] <... futex resumed>) = 0 [pid 7437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7435] <... futex resumed>) = 0 [pid 7434] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... unlink resumed>) = 0 [pid 7439] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7437] mkdir("./file1", 000 [pid 7435] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7434] <... futex resumed>) = 0 [pid 7434] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7449 attached [pid 7449] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7449] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7449] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7437] <... mkdir resumed>) = 0 [pid 7437] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7435] <... futex resumed>) = 0 [pid 7437] mkdir("./bus", 000 [pid 7435] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] <... mkdir resumed>) = 0 [pid 7435] <... futex resumed>) = 0 [pid 7437] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7437] <... futex resumed>) = 0 [pid 7435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7437] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7435] <... futex resumed>) = 0 [pid 7437] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 239.860969][ T7439] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 239.872529][ T7439] overlayfs: failed to resolve './file0': -2 [ 239.885035][ T7438] REISERFS (device loop3): Using r5 hash to sort names [ 239.893977][ T7438] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7435] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7435] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 239.930552][ T7437] overlayfs: upper fs needs to support d_type. [ 239.932281][ T7449] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 239.951766][ T7437] overlayfs: upper fs does not support tmpfile. [pid 7435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7435] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7435] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7450 [pid 7435] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7435] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7450 attached [pid 7450] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7450] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7450] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... umount2 resumed>) = 0 [pid 7438] <... mount resumed>) = 0 [pid 5008] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7438] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7438] chdir("./file0" [pid 5008] lstat("./112/file0", [pid 7438] <... chdir resumed>) = 0 [pid 7438] ioctl(4, LOOP_CLR_FD [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7438] <... ioctl resumed>) = 0 [pid 7438] close(4 [pid 5008] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./112/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 7449] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7438] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7449] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] rmdir("./112" [pid 7449] <... futex resumed>) = 1 [pid 7438] <... futex resumed>) = 1 [pid 7436] <... futex resumed>) = 0 [pid 7434] <... futex resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [ 239.974448][ T7437] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 239.996558][ T7438] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 240.016512][ T7450] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7449] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7438] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] exit_group(0 [pid 5008] mkdir("./113", 0777 [pid 7449] <... futex resumed>) = ? [pid 7439] <... futex resumed>) = ? [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7436] <... futex resumed>) = 0 [pid 7434] <... exit_group resumed>) = ? [pid 5008] <... mkdir resumed>) = 0 [pid 7449] +++ exited with 0 +++ [pid 7439] +++ exited with 0 +++ [pid 7438] mkdir("./file1", 000 [pid 7436] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7434] +++ exited with 0 +++ [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7438] <... mkdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7438] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7434, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7438] <... futex resumed>) = 1 [pid 7436] <... futex resumed>) = 0 [pid 5012] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7438] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(3 [pid 5012] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... close resumed>) = 0 [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7436] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... openat resumed>) = 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7438] mkdir("./bus", 000 [pid 7436] <... futex resumed>) = 0 [pid 5012] fstat(3, [pid 7438] <... mkdir resumed>) = 0 [pid 7436] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7451 [pid 7438] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] getdents64(3, [pid 7438] <... futex resumed>) = 0 [pid 7436] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7438] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7436] <... futex resumed>) = 0 [pid 5012] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7451 attached [pid 7450] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7451] set_robust_list(0x555556dec5e0, 24 [pid 7450] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] lstat("./114/binderfs", [pid 7451] <... set_robust_list resumed>) = 0 [pid 7450] <... futex resumed>) = 1 [pid 7435] <... futex resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7451] chdir("./113" [pid 7450] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] unlink("./114/binderfs" [pid 7451] <... chdir resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 7451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7451] <... prctl resumed>) = 0 [pid 7451] setpgid(0, 0 [pid 7436] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7451] <... setpgid resumed>) = 0 [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(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7451] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7451] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7452 [pid 7451] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7451] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7452 attached [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7452] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7452] memfd_create("syzkaller", 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7452] <... memfd_create resumed>) = 3 [pid 7437] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] lstat("./113/file0", [pid 7452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7437] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... mmap resumed>) = 0x7f76a8756000 [pid 7437] <... futex resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7437] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] exit_group(0 [ 240.089837][ T7437] overlayfs: failed to resolve './file0': -2 [ 240.096955][ T7438] overlayfs: upper fs needs to support d_type. [ 240.103393][ T7438] overlayfs: upper fs does not support tmpfile. [pid 5010] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7450] <... futex resumed>) = ? [pid 7437] <... futex resumed>) = ? [pid 7435] <... exit_group resumed>) = ? [pid 7450] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7437] +++ exited with 0 +++ [pid 7435] +++ exited with 0 +++ [pid 5010] <... openat resumed>) = 4 [pid 5010] fstat(4, [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7435, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5010] getdents64(4, [pid 5009] <... restart_syscall resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7436] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] close(4 [pid 5009] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7436] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] rmdir("./113/file0" [pid 5009] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7436] <... mmap resumed>) = 0x7f76a8b35000 [pid 5010] <... rmdir resumed>) = 0 [pid 7436] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5010] getdents64(3, [pid 5009] <... openat resumed>) = 3 [pid 7436] <... mprotect resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] fstat(3, [pid 7436] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] close(3 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] getdents64(3, [pid 7436] <... clone resumed>, parent_tid=[7453], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7453 [pid 5010] rmdir("./113" [pid 7436] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... rmdir resumed>) = 0 [pid 7436] <... futex resumed>) = 0 [pid 5009] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7436] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] mkdir("./114", 0777 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... mkdir resumed>) = 0 [pid 5009] lstat("./112/binderfs", [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] unlink("./112/binderfs" [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] <... unlink resumed>) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7454 ./strace-static-x86_64: Process 7453 attached [pid 7453] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7453] mkdir(".", 0777./strace-static-x86_64: Process 7454 attached [pid 7454] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7454] chdir("./114" [pid 7453] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7454] <... chdir resumed>) = 0 [pid 7454] prctl(PR_SET_PDEATHSIG, SIGKILL [ 240.145988][ T7438] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 240.172625][ T7438] overlayfs: failed to resolve './file0': -2 [pid 7453] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7454] <... prctl resumed>) = 0 [pid 7454] setpgid(0, 0) = 0 [pid 7438] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7438] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] <... openat resumed>) = 3 [pid 7438] <... futex resumed>) = 0 [pid 7454] write(3, "1000", 4 [pid 7438] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] <... write resumed>) = 4 [pid 7454] close(3) = 0 [pid 7454] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 7454] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [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 7454] <... futex resumed>) = 0 [pid 5012] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7454] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] lstat("./114/file0", [pid 7454] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7454] <... mprotect resumed>) = 0 [pid 5012] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7454] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7454] <... clone resumed>, parent_tid=[7455], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7455 [pid 5012] <... openat resumed>) = 4 [pid 7454] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(4, [pid 7454] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7454] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./114/file0") = 0 ./strace-static-x86_64: Process 7455 attached [pid 5012] getdents64(3, [pid 7455] set_robust_list(0x7f76b0b769e0, 24 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3 [pid 7455] <... set_robust_list resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5012] rmdir("./114") = 0 [pid 7455] memfd_create("syzkaller", 0 [pid 5012] mkdir("./115", 0777) = 0 [pid 7455] <... memfd_create resumed>) = 3 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 7455] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 7453] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7453] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... futex resumed>) = 0 [pid 7436] exit_group(0 [pid 7438] <... futex resumed>) = ? [pid 7436] <... exit_group resumed>) = ? [ 240.246391][ T7453] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7438] +++ exited with 0 +++ [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7456 [pid 7453] <... futex resumed>) = ? [pid 7453] +++ exited with 0 +++ [pid 7436] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7436, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- ./strace-static-x86_64: Process 7456 attached [pid 7456] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7456] chdir("./115") = 0 [pid 7456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7456] <... prctl resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7456] setpgid(0, 0 [pid 5011] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7456] <... setpgid resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 7456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] fstat(3, [pid 7456] <... openat resumed>) = 3 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, [pid 7456] write(3, "1000", 4 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7456] <... write resumed>) = 4 [pid 5011] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7456] close(3) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7456] symlink("/dev/binderfs", "./binderfs" [pid 5011] lstat("./114/binderfs", [pid 7456] <... symlink resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7456] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] unlink("./114/binderfs" [pid 7456] <... futex resumed>) = 0 [pid 7456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... unlink resumed>) = 0 [pid 7456] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7456] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 7456] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7456] <... clone resumed>, parent_tid=[7457], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7457 [pid 7456] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7456] <... futex resumed>) = 0 [pid 7456] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] lstat("./112/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7457 attached [pid 7457] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7457] memfd_create("syzkaller", 0 [pid 5009] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7457] <... memfd_create resumed>) = 3 [pid 7457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... openat resumed>) = 4 [pid 7457] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] fstat(4, [pid 7455] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./112/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./112") = 0 [pid 5009] mkdir("./113", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 7452] <... write resumed>) = 4194304 [pid 7452] munmap(0x7f76a8756000, 4194304 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7458 [pid 7452] <... munmap resumed>) = 0 [pid 7452] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7452] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7458 attached [pid 7458] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7458] chdir("./113") = 0 [pid 7458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7458] setpgid(0, 0) = 0 [pid 7458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7458] write(3, "1000", 4) = 4 [pid 7458] close(3) = 0 [pid 7458] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7458] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7458] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7452] <... ioctl resumed>) = 0 [pid 7458] <... mprotect resumed>) = 0 [pid 7458] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7452] close(3 [pid 7457] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7452] <... close resumed>) = 0 [pid 7458] <... clone resumed>, parent_tid=[7459], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7459 [pid 7452] mkdir("./file0", 0777 [pid 7458] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... mkdir resumed>) = 0 [pid 7458] <... futex resumed>) = 0 [pid 7458] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7452] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7459 attached [ 240.448223][ T7452] loop0: detected capacity change from 0 to 8192 [pid 7459] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7455] <... write resumed>) = 4194304 [pid 5011] <... umount2 resumed>) = 0 [pid 7459] memfd_create("syzkaller", 0 [pid 7455] munmap(0x7f76a8756000, 4194304 [pid 5011] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7459] <... memfd_create resumed>) = 3 [pid 7459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7455] <... munmap resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7455] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5011] lstat("./114/file0", [pid 7455] <... openat resumed>) = 4 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7455] ioctl(4, LOOP_SET_FD, 3 [pid 5011] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7455] <... ioctl resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7455] close(3 [pid 5011] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7455] <... close resumed>) = 0 [pid 7455] mkdir("./file0", 0777 [pid 5011] <... openat resumed>) = 4 [pid 7455] <... mkdir resumed>) = 0 [pid 7455] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 7457] <... write resumed>) = 4194304 [ 240.506563][ T7452] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.538400][ T7455] loop2: detected capacity change from 0 to 8192 [ 240.541783][ T7452] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 7457] munmap(0x7f76a8756000, 4194304 [pid 5011] <... close resumed>) = 0 [pid 7457] <... munmap resumed>) = 0 [pid 5011] rmdir("./114/file0" [pid 7457] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5011] <... rmdir resumed>) = 0 [pid 7457] ioctl(4, LOOP_SET_FD, 3 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./114") = 0 [ 240.560929][ T7455] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.577194][ T7455] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 240.581565][ T7452] REISERFS (device loop0): using ordered data mode [ 240.590541][ T7455] REISERFS (device loop2): using ordered data mode [ 240.596969][ T7457] loop4: detected capacity change from 0 to 8192 [ 240.599582][ T7455] reiserfs: using flush barriers [pid 5011] mkdir("./115", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7463 ./strace-static-x86_64: Process 7463 attached [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 7463] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7463] chdir("./115") = 0 [pid 7463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7457] <... ioctl resumed>) = 0 [ 240.612271][ T7455] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.629344][ T7455] REISERFS (device loop2): checking transaction log (loop2) [ 240.650289][ T7455] REISERFS (device loop2): Using r5 hash to sort names [pid 7463] <... prctl resumed>) = 0 [pid 7457] close(3 [pid 7463] setpgid(0, 0 [pid 7457] <... close resumed>) = 0 [pid 7463] <... setpgid resumed>) = 0 [pid 7457] mkdir("./file0", 0777 [pid 7463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7457] <... mkdir resumed>) = 0 [pid 7463] <... openat resumed>) = 3 [pid 7457] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7463] write(3, "1000", 4 [pid 7455] <... mount resumed>) = 0 [pid 7463] <... write resumed>) = 4 [pid 7455] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7463] close(3 [pid 7455] <... openat resumed>) = 3 [pid 7463] <... close resumed>) = 0 [pid 7455] chdir("./file0" [pid 7463] symlink("/dev/binderfs", "./binderfs" [pid 7455] <... chdir resumed>) = 0 [pid 7463] <... symlink resumed>) = 0 [pid 7463] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 240.657653][ T7455] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 240.670435][ T7452] reiserfs: using flush barriers [ 240.675707][ T7455] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 240.679128][ 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 7463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7463] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7463] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7465 [pid 7463] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7463] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7455] ioctl(4, LOOP_CLR_FD) = 0 [pid 7455] close(4) = 0 ./strace-static-x86_64: Process 7465 attached [pid 7465] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7465] memfd_create("syzkaller", 0) = 3 [pid 7465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7459] <... write resumed>) = 4194304 [pid 7455] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] munmap(0x7f76a8756000, 4194304 [pid 7455] <... futex resumed>) = 1 [pid 7454] <... futex resumed>) = 0 [ 240.707933][ T7457] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.735349][ T7457] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 240.744925][ T7457] REISERFS (device loop4): using ordered data mode [ 240.751954][ T7457] reiserfs: using flush barriers [pid 7459] <... munmap resumed>) = 0 [pid 7455] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7454] <... futex resumed>) = 0 [pid 7459] <... openat resumed>) = 4 [pid 7455] mkdir("./file1", 000 [pid 7454] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7459] ioctl(4, LOOP_SET_FD, 3 [pid 7455] <... mkdir resumed>) = 0 [pid 7459] <... ioctl resumed>) = 0 [ 240.758650][ T7457] 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 [ 240.778363][ T7457] REISERFS (device loop4): checking transaction log (loop4) [ 240.787237][ T7457] REISERFS (device loop4): Using r5 hash to sort names [ 240.795027][ T7459] loop1: detected capacity change from 0 to 8192 [ 240.796792][ T7452] REISERFS (device loop0): checking transaction log (loop0) [pid 7459] close(3 [pid 7455] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] <... close resumed>) = 0 [pid 7457] <... mount resumed>) = 0 [pid 7455] <... futex resumed>) = 1 [pid 7454] <... futex resumed>) = 0 [pid 7465] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] mkdir("./file0", 0777 [pid 7457] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7455] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] <... mkdir resumed>) = 0 [pid 7459] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7457] <... openat resumed>) = 3 [pid 7455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7454] <... futex resumed>) = 0 [pid 7452] <... mount resumed>) = 0 [pid 7457] chdir("./file0" [pid 7455] mkdir("./bus", 000 [pid 7454] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7457] <... chdir resumed>) = 0 [pid 7455] <... mkdir resumed>) = 0 [pid 7452] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7457] ioctl(4, LOOP_CLR_FD [pid 7455] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... ioctl resumed>) = 0 [pid 7455] <... futex resumed>) = 1 [pid 7454] <... futex resumed>) = 0 [ 240.801908][ T7457] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 240.821853][ T7457] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 240.833104][ T7452] REISERFS (device loop0): Using r5 hash to sort names [ 240.840336][ T7452] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 240.853464][ T7452] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7452] <... openat resumed>) = 3 [pid 7457] close(4 [pid 7455] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... close resumed>) = 0 [pid 7455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7454] <... futex resumed>) = 0 [pid 7452] chdir("./file0" [pid 7457] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7454] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] <... chdir resumed>) = 0 [pid 7457] <... futex resumed>) = 1 [pid 7456] <... futex resumed>) = 0 [pid 7452] ioctl(4, LOOP_CLR_FD [pid 7457] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7456] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... ioctl resumed>) = 0 [pid 7457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7456] <... futex resumed>) = 0 [pid 7452] close(4 [pid 7457] mkdir("./file1", 000 [pid 7456] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] <... close resumed>) = 0 [pid 7457] <... mkdir resumed>) = 0 [pid 7452] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... futex resumed>) = 1 [pid 7457] <... futex resumed>) = 0 [pid 7452] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7457] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7451] <... futex resumed>) = 0 [pid 7456] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... futex resumed>) = 0 [pid 7456] <... futex resumed>) = 1 [pid 7452] <... futex resumed>) = 0 [pid 7451] <... futex resumed>) = 1 [pid 7457] mkdir("./bus", 000 [pid 7452] mkdir("./file1", 000 [pid 7457] <... mkdir resumed>) = 0 [pid 7456] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] <... mkdir resumed>) = 0 [pid 7451] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7457] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7452] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7457] <... futex resumed>) = 0 [pid 7456] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... futex resumed>) = 0 [ 240.871565][ T7455] overlayfs: upper fs needs to support d_type. [ 240.879363][ T7459] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.894575][ T7455] overlayfs: upper fs does not support tmpfile. [ 240.902358][ T7459] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 240.911772][ T7459] REISERFS (device loop1): using ordered data mode [pid 7451] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7456] <... futex resumed>) = 0 [pid 7452] mkdir("./bus", 000 [pid 7451] <... futex resumed>) = 0 [pid 7465] <... write resumed>) = 4194304 [pid 7456] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7454] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7452] <... mkdir resumed>) = 0 [pid 7451] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] munmap(0x7f76a8756000, 4194304 [pid 7454] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 240.918414][ T7459] reiserfs: using flush barriers [ 240.920104][ T7457] overlayfs: upper fs needs to support d_type. [ 240.929800][ 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 [ 240.955115][ T7455] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7465] <... munmap resumed>) = 0 [pid 7454] <... futex resumed>) = 0 [pid 7452] <... futex resumed>) = 0 [pid 7451] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7451] <... futex resumed>) = 0 [pid 7465] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7456] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7451] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] <... openat resumed>) = 4 [pid 7457] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7456] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] <... mmap resumed>) = 0x7f76a8b35000 [pid 7465] ioctl(4, LOOP_SET_FD, 3 [pid 7457] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = 0 [ 240.968716][ T7457] overlayfs: upper fs does not support tmpfile. [ 240.975785][ T7457] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 240.984269][ T7457] overlayfs: failed to resolve './file0': -2 [ 240.988137][ T7452] overlayfs: upper fs needs to support d_type. [ 240.991177][ T7459] REISERFS (device loop1): checking transaction log (loop1) [ 241.006475][ T7465] loop3: detected capacity change from 0 to 8192 [ 241.006873][ T7455] overlayfs: failed to resolve './file0': -2 [pid 7454] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7465] <... ioctl resumed>) = 0 [pid 7457] <... futex resumed>) = 0 [pid 7456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7454] <... mprotect resumed>) = 0 [pid 7465] close(3 [pid 7456] <... mmap resumed>) = 0x7f76a8b35000 [pid 7465] <... close resumed>) = 0 [pid 7457] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7456] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7454] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7465] mkdir("./file0", 0777 [pid 7456] <... mprotect resumed>) = 0 [pid 7465] <... mkdir resumed>) = 0 [pid 7456] clone(child_stack=0x7f76a8b553f0, 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 7468 attached [pid 7465] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7454] <... clone resumed>, parent_tid=[7468], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7468 [pid 7451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7456] <... clone resumed>, parent_tid=[7469], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7469 [pid 7454] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] set_robust_list(0x7f76a8b559e0, 24 [pid 7456] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7454] <... futex resumed>) = 0 [pid 7451] <... futex resumed>) = 0 [pid 7468] <... set_robust_list resumed>) = 0 [pid 7456] <... futex resumed>) = 0 [pid 7455] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7468] mkdir(".", 0777 [pid 7456] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7455] <... futex resumed>) = 0 [pid 7451] <... mmap resumed>) = 0x7f76a8b35000 [ 241.016585][ T7459] REISERFS (device loop1): Using r5 hash to sort names [ 241.020152][ T7452] overlayfs: upper fs does not support tmpfile. [ 241.033017][ T7452] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 241.041358][ T7459] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.048299][ T7452] overlayfs: failed to resolve './file0': -2 ./strace-static-x86_64: Process 7469 attached [pid 7468] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7455] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7451] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7469] set_robust_list(0x7f76a8b559e0, 24 [pid 7468] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7452] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... mprotect resumed>) = 0 [pid 7469] <... set_robust_list resumed>) = 0 [pid 7452] <... futex resumed>) = 0 [ 241.069938][ T7465] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.094058][ T7465] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 241.094134][ T7468] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7469] mkdir(".", 0777 [pid 7452] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7451] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7469] <... mkdir resumed>) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 7472 attached [pid 7472] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7472] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7459] <... mount resumed>) = 0 [pid 7459] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7459] chdir("./file0") = 0 [pid 7459] ioctl(4, LOOP_CLR_FD) = 0 [pid 7459] close(4 [pid 7469] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7451] <... clone resumed>, parent_tid=[7472], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7472 [pid 7451] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7472] <... futex resumed>) = 0 [pid 7451] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7472] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7472] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7468] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7459] <... close resumed>) = 0 [pid 7468] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] <... futex resumed>) = 1 [pid 7459] <... futex resumed>) = 1 [pid 7458] <... futex resumed>) = 0 [pid 7454] <... futex resumed>) = 0 [pid 7468] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7459] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] exit_group(0 [pid 7468] <... futex resumed>) = ? [pid 7459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... futex resumed>) = 0 [pid 7454] <... exit_group resumed>) = ? [pid 7468] +++ exited with 0 +++ [pid 7459] mkdir("./file1", 000 [pid 7458] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7459] <... mkdir resumed>) = 0 [pid 7459] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7458] <... futex resumed>) = 0 [pid 7459] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] <... futex resumed>) = ? [pid 7459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... futex resumed>) = 0 [pid 7459] mkdir("./bus", 000 [pid 7458] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7459] <... mkdir resumed>) = 0 [pid 7455] +++ exited with 0 +++ [pid 7454] +++ exited with 0 +++ [pid 7459] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7458] <... futex resumed>) = 0 [ 241.113028][ T7465] REISERFS (device loop3): using ordered data mode [ 241.129548][ T7459] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 241.130295][ T7465] reiserfs: using flush barriers [ 241.154045][ T7465] 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 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7454, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 7459] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... futex resumed>) = 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 7459] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7458] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./114/binderfs") = 0 [pid 5010] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7469] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7469] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = 0 [pid 7456] exit_group(0) = ? [pid 7469] <... futex resumed>) = ? [pid 7469] +++ exited with 0 +++ [pid 7472] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7472] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... futex resumed>) = 0 [pid 7451] exit_group(0) = ? [pid 7457] <... futex resumed>) = ? [pid 7452] <... futex resumed>) = ? [pid 7472] <... futex resumed>) = ? [pid 7472] +++ exited with 0 +++ [ 241.183026][ T7469] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 241.197876][ T7459] overlayfs: upper fs needs to support d_type. [ 241.204847][ T7472] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 241.207491][ T7465] REISERFS (device loop3): checking transaction log (loop3) [ 241.223663][ T7459] overlayfs: upper fs does not support tmpfile. [pid 7457] +++ exited with 0 +++ [pid 7456] +++ exited with 0 +++ [pid 7452] +++ exited with 0 +++ [pid 7451] +++ exited with 0 +++ [pid 7458] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7458] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7458] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7458] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7473], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7473 [pid 7458] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7458] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7456, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- [pid 5008] --- 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=22 /* 0.22 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... openat resumed>) = 3 [pid 5008] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] fstat(3, [pid 5008] <... openat resumed>) = 3 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] fstat(3, [pid 5012] getdents64(3, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] getdents64(3, [pid 5012] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 7473 attached [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 241.235356][ T7459] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 241.240146][ T7465] REISERFS (device loop3): Using r5 hash to sort names [ 241.267648][ T7459] overlayfs: failed to resolve './file0': -2 [pid 5008] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7473] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 5012] lstat("./115/binderfs", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7473] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] lstat("./113/binderfs", [pid 7473] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7459] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] unlink("./115/binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7459] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... unlink resumed>) = 0 [pid 5008] unlink("./113/binderfs" [pid 5012] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7459] <... futex resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 7459] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7473] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7473] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] <... futex resumed>) = 0 [pid 7458] exit_group(0 [pid 7459] <... futex resumed>) = ? [pid 7458] <... exit_group resumed>) = ? [pid 7459] +++ exited with 0 +++ [pid 7473] <... futex resumed>) = ? [pid 7473] +++ exited with 0 +++ [pid 7458] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7458, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5009] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5009] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./113/binderfs") = 0 [ 241.270036][ T7465] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.300320][ T7473] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5009] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7465] <... mount resumed>) = 0 [pid 7465] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7465] chdir("./file0") = 0 [pid 7465] ioctl(4, LOOP_CLR_FD) = 0 [pid 7465] close(4) = 0 [pid 7465] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... futex resumed>) = 0 [pid 7463] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7463] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] <... futex resumed>) = 1 [pid 7465] mkdir("./file1", 000) = 0 [ 241.361792][ T7465] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7465] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./114/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./114/file0" [pid 7463] <... futex resumed>) = 0 [pid 7463] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 7463] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] getdents64(3, [pid 7465] <... futex resumed>) = 1 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3 [pid 7465] mkdir("./bus", 000 [pid 5010] <... close resumed>) = 0 [pid 7465] <... mkdir resumed>) = 0 [pid 5010] rmdir("./114" [pid 7465] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7463] <... futex resumed>) = 0 [pid 7465] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7463] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... rmdir resumed>) = 0 [pid 7463] <... futex resumed>) = 0 [pid 7463] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] mkdir("./115", 0777 [pid 5012] <... umount2 resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5012] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./115/file0", [pid 5010] <... openat resumed>) = 3 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5012] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... openat resumed>) = 4 [pid 5012] fstat(4, [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7474 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, ./strace-static-x86_64: Process 7474 attached 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4 [pid 7474] set_robust_list(0x555556dec5e0, 24 [pid 5012] <... close resumed>) = 0 [pid 7474] <... set_robust_list resumed>) = 0 [pid 5012] rmdir("./115/file0" [pid 7474] chdir("./115" [pid 5012] <... rmdir resumed>) = 0 [pid 7474] <... chdir resumed>) = 0 [pid 5012] getdents64(3, [pid 7474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7474] <... prctl resumed>) = 0 [pid 7474] setpgid(0, 0 [pid 5012] close(3) = 0 [pid 7474] <... setpgid resumed>) = 0 [pid 5012] rmdir("./115" [pid 7474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... rmdir resumed>) = 0 [pid 5012] mkdir("./116", 0777 [pid 7474] <... openat resumed>) = 3 [pid 5012] <... mkdir resumed>) = 0 [pid 7474] write(3, "1000", 4 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7474] <... write resumed>) = 4 [pid 7474] close(3 [pid 5012] <... openat resumed>) = 3 [pid 7474] <... close resumed>) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 7474] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7474] <... symlink resumed>) = 0 [pid 5012] close(3 [pid 7474] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7474] <... futex resumed>) = 0 [pid 7463] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 7474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7463] <... futex resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7474] <... mmap resumed>) = 0x7f76b0b56000 [pid 7463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7463] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7474] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7463] <... mprotect resumed>) = 0 [pid 7474] <... mprotect resumed>) = 0 [pid 7463] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7475 [pid 5009] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7475 attached [ 241.448999][ T7465] overlayfs: upper fs needs to support d_type. [ 241.488834][ T7465] overlayfs: upper fs does not support tmpfile. [pid 7474] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7475] set_robust_list(0x555556dec5e0, 24 [pid 7463] <... clone resumed>, parent_tid=[7476], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7476 ./strace-static-x86_64: Process 7477 attached [pid 7475] <... set_robust_list resumed>) = 0 [pid 7463] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = 0 [pid 7463] <... futex resumed>) = 0 [pid 7463] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7476 attached [pid 7476] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7476] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7476] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7475] chdir("./116" [pid 7474] <... clone resumed>, parent_tid=[7477], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7477 [pid 7477] set_robust_list(0x7f76b0b769e0, 24 [pid 7475] <... chdir resumed>) = 0 [pid 7474] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] lstat("./113/file0", [pid 7477] <... set_robust_list resumed>) = 0 [pid 7475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7474] <... futex resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7477] memfd_create("syzkaller", 0 [pid 7475] <... prctl resumed>) = 0 [pid 5008] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7474] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7475] setpgid(0, 0 [pid 5009] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7477] <... memfd_create resumed>) = 3 [pid 7475] <... setpgid resumed>) = 0 [pid 7477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7477] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7475] <... openat resumed>) = 3 [pid 5008] lstat("./113/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./113/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5009] <... openat resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 7475] write(3, "1000", 4 [pid 5009] fstat(4, [pid 7475] <... write resumed>) = 4 [pid 7475] close(3 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7475] <... close resumed>) = 0 [pid 5009] getdents64(4, [pid 7475] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7475] <... symlink resumed>) = 0 [pid 5009] getdents64(4, [pid 5008] rmdir("./113" [pid 7477] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7475] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7475] <... futex resumed>) = 0 [pid 7465] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] close(4 [pid 5008] mkdir("./114", 0777 [pid 7475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7465] <... futex resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7475] <... mmap resumed>) = 0x7f76b0b56000 [pid 7465] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] rmdir("./113/file0" [pid 5008] <... mkdir resumed>) = 0 [pid 7475] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] <... rmdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7476] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7475] <... mprotect resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] <... openat resumed>) = 3 [pid 7476] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7476] <... futex resumed>) = 1 [pid 7463] <... futex resumed>) = 0 [pid 5009] close(3 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 7478 attached [pid 7476] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7475] <... clone resumed>, parent_tid=[7478], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7478 [pid 7463] exit_group(0 [pid 5009] <... close resumed>) = 0 [ 241.532338][ T7465] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 241.560423][ T7465] overlayfs: failed to resolve './file0': -2 [ 241.562801][ T7476] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] close(3 [pid 7478] set_robust_list(0x7f76b0b769e0, 24 [pid 7476] <... futex resumed>) = ? [pid 7475] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... futex resumed>) = ? [pid 7463] <... exit_group resumed>) = ? [pid 5009] rmdir("./113" [pid 5008] <... close resumed>) = 0 [pid 7478] <... set_robust_list resumed>) = 0 [pid 7476] +++ exited with 0 +++ [pid 7475] <... futex resumed>) = 0 [pid 7465] +++ exited with 0 +++ [pid 7463] +++ exited with 0 +++ [pid 5009] <... rmdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7478] memfd_create("syzkaller", 0 [pid 7475] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7463, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5009] mkdir("./114", 0777 [pid 7478] <... memfd_create resumed>) = 3 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7479 [pid 7478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... mkdir resumed>) = 0 [pid 7478] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7479 attached [pid 7479] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7479] chdir("./114") = 0 [pid 7479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7479] setpgid(0, 0) = 0 [pid 7479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... openat resumed>) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5011] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] close(3 [pid 7479] <... openat resumed>) = 3 [pid 5011] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... close resumed>) = 0 [pid 7479] write(3, "1000", 4 [pid 5011] <... openat resumed>) = 3 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7479] <... write resumed>) = 4 [pid 5011] fstat(3, [pid 7479] close(3) = 0 [pid 7479] symlink("/dev/binderfs", "./binderfs" [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7480 [pid 7479] <... symlink resumed>) = 0 [pid 5011] getdents64(3, [pid 7479] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7479] <... futex resumed>) = 0 [pid 5011] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7480 attached [pid 7479] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] lstat("./115/binderfs", [pid 7479] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7480] set_robust_list(0x555556dec5e0, 24 [pid 7479] <... mprotect resumed>) = 0 [pid 7477] <... write resumed>) = 4194304 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7480] <... set_robust_list resumed>) = 0 [pid 7479] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7477] munmap(0x7f76a8756000, 4194304 [pid 5011] unlink("./115/binderfs" [pid 7479] <... clone resumed>, parent_tid=[7481], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7481 [pid 5011] <... unlink resumed>) = 0 [pid 7480] chdir("./114" [pid 7479] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7480] <... chdir resumed>) = 0 [pid 7479] <... futex resumed>) = 0 [pid 7480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7479] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7481 attached [pid 7480] <... prctl resumed>) = 0 [pid 7481] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7481] memfd_create("syzkaller", 0 [pid 7480] setpgid(0, 0 [pid 7481] <... memfd_create resumed>) = 3 [pid 7480] <... setpgid resumed>) = 0 [pid 7481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7477] <... munmap resumed>) = 0 [pid 7480] write(3, "1000", 4 [pid 7478] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7477] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7480] <... write resumed>) = 4 [pid 7477] <... openat resumed>) = 4 [pid 7480] close(3 [pid 7477] ioctl(4, LOOP_SET_FD, 3 [pid 7480] <... close resumed>) = 0 [pid 7480] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7480] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7480] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7480] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7482 [pid 7477] <... ioctl resumed>) = 0 [pid 7480] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7477] close(3 [pid 7480] <... futex resumed>) = 0 [pid 7477] <... close resumed>) = 0 [pid 7480] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7477] mkdir("./file0", 0777./strace-static-x86_64: Process 7482 attached [pid 7482] set_robust_list(0x7f76b0b769e0, 24 [pid 7477] <... mkdir resumed>) = 0 [pid 7482] <... set_robust_list resumed>) = 0 [pid 7477] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7482] memfd_create("syzkaller", 0) = 3 [pid 7482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 241.697136][ T7477] loop2: detected capacity change from 0 to 8192 [ 241.745896][ T7477] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.766653][ T7477] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 241.777073][ T7477] REISERFS (device loop2): using ordered data mode [ 241.785025][ T7477] reiserfs: using flush barriers [pid 7481] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7478] <... write resumed>) = 4194304 [ 241.797304][ T7477] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 241.814986][ T7477] REISERFS (device loop2): checking transaction log (loop2) [pid 7478] munmap(0x7f76a8756000, 4194304 [pid 7482] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7478] <... munmap resumed>) = 0 [pid 7478] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5011] <... umount2 resumed>) = 0 [pid 7478] ioctl(4, LOOP_SET_FD, 3 [pid 5011] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./115/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7478] <... ioctl resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7478] close(3) = 0 [pid 5011] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7478] mkdir("./file0", 0777 [pid 5011] <... openat resumed>) = 4 [pid 7478] <... mkdir resumed>) = 0 [pid 5011] fstat(4, [ 241.843632][ T7477] REISERFS (device loop2): Using r5 hash to sort names [ 241.860117][ T7478] loop4: detected capacity change from 0 to 8192 [pid 7478] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./115/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./115") = 0 [pid 5011] mkdir("./116", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 241.890764][ T7477] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.925367][ T7478] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5011] close(3 [pid 7482] <... write resumed>) = 4194304 [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7486 [pid 7482] munmap(0x7f76a8756000, 4194304 [pid 7477] <... mount resumed>) = 0 [pid 7477] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7482] <... munmap resumed>) = 0 [pid 7482] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7477] chdir("./file0") = 0 [pid 7482] <... openat resumed>) = 4 [pid 7477] ioctl(4, LOOP_CLR_FD) = 0 [pid 7477] close(4 [pid 7482] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7481] <... write resumed>) = 4194304 [pid 7482] close(3 [pid 7477] <... close resumed>) = 0 ./strace-static-x86_64: Process 7486 attached [pid 7482] <... close resumed>) = 0 [pid 7481] munmap(0x7f76a8756000, 4194304 [pid 7477] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] mkdir("./file0", 0777 [pid 7477] <... futex resumed>) = 1 [pid 7474] <... futex resumed>) = 0 [pid 7482] <... mkdir resumed>) = 0 [pid 7477] mkdir("./file1", 000 [pid 7474] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7474] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7482] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7477] <... mkdir resumed>) = 0 [pid 7477] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7474] <... futex resumed>) = 0 [ 241.929558][ T7477] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 241.955905][ T7482] loop1: detected capacity change from 0 to 8192 [ 241.956471][ T7478] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 241.973744][ T7478] REISERFS (device loop4): using ordered data mode [ 241.982639][ T7478] reiserfs: using flush barriers [pid 7477] mkdir("./bus", 000 [pid 7474] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7474] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7477] <... mkdir resumed>) = 0 [pid 7477] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7474] <... futex resumed>) = 0 [pid 7474] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7474] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7486] set_robust_list(0x555556dec5e0, 24 [pid 7481] <... munmap resumed>) = 0 [pid 7477] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7486] <... set_robust_list resumed>) = 0 [ 241.990551][ T7478] 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 [ 242.002377][ T7477] overlayfs: upper fs needs to support d_type. [ 242.007783][ T7478] REISERFS (device loop4): checking transaction log (loop4) [ 242.021000][ T7477] overlayfs: upper fs does not support tmpfile. [ 242.021913][ T7482] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7486] chdir("./116" [pid 7481] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7486] <... chdir resumed>) = 0 [pid 7481] <... openat resumed>) = 4 [pid 7474] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7486] prctl(PR_SET_PDEATHSIG, SIGKILL [ 242.028226][ T7477] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 242.047686][ T7478] REISERFS (device loop4): Using r5 hash to sort names [ 242.049137][ T7477] overlayfs: failed to resolve './file0': -2 [ 242.054773][ T7478] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.060910][ T7482] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 242.078545][ T7481] loop0: detected capacity change from 0 to 8192 [pid 7481] ioctl(4, LOOP_SET_FD, 3 [pid 7474] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... prctl resumed>) = 0 [pid 7474] <... futex resumed>) = 0 [pid 7486] setpgid(0, 0 [pid 7474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7486] <... setpgid resumed>) = 0 [pid 7477] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7474] <... mmap resumed>) = 0x7f76a8b35000 [pid 7486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7474] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7486] <... openat resumed>) = 3 [ 242.082845][ T7482] REISERFS (device loop1): using ordered data mode [ 242.098197][ T7482] reiserfs: using flush barriers [ 242.104614][ T7478] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 242.105373][ T7482] 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 7477] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] <... mprotect resumed>) = 0 [pid 7486] write(3, "1000", 4 [pid 7481] <... ioctl resumed>) = 0 [pid 7478] <... mount resumed>) = 0 [pid 7477] <... futex resumed>) = 0 [pid 7481] close(3 [pid 7478] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7477] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7481] <... close resumed>) = 0 [pid 7478] <... openat resumed>) = 3 [pid 7481] mkdir("./file0", 0777 [pid 7478] chdir("./file0" [pid 7481] <... mkdir resumed>) = 0 [pid 7478] <... chdir resumed>) = 0 [pid 7481] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7478] ioctl(4, LOOP_CLR_FD) = 0 [pid 7478] close(4) = 0 [pid 7478] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7475] <... futex resumed>) = 0 [pid 7478] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7475] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7475] <... futex resumed>) = 0 [pid 7478] mkdir("./file1", 000 [pid 7475] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7478] <... mkdir resumed>) = 0 [pid 7478] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7475] <... futex resumed>) = 0 [pid 7478] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7475] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7475] <... futex resumed>) = 0 [pid 7478] mkdir("./bus", 000 [pid 7475] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7478] <... mkdir resumed>) = 0 [pid 7478] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7475] <... futex resumed>) = 0 [pid 7478] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7475] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7475] <... futex resumed>) = 0 [pid 7478] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7475] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7486] <... write resumed>) = 4 [pid 7486] close(3 [pid 7474] <... clone resumed>, parent_tid=[7489], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7489 [pid 7474] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7474] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7486] <... close resumed>) = 0 ./strace-static-x86_64: Process 7489 attached [pid 7486] symlink("/dev/binderfs", "./binderfs" [pid 7489] set_robust_list(0x7f76a8b559e0, 24 [pid 7486] <... symlink resumed>) = 0 [pid 7489] <... set_robust_list resumed>) = 0 [pid 7489] mkdir(".", 0777 [pid 7486] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7486] <... futex resumed>) = 0 [ 242.135744][ T7481] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.137491][ T7482] REISERFS (device loop1): checking transaction log (loop1) [ 242.157937][ T7478] overlayfs: upper fs needs to support d_type. [ 242.164275][ T7478] overlayfs: upper fs does not support tmpfile. [ 242.176846][ T7481] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7489] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7475] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7475] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7475] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7475] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7490], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7490 [pid 7475] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7475] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7486] <... mmap resumed>) = 0x7f76b0b56000 ./strace-static-x86_64: Process 7490 attached [pid 7486] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7490] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7486] <... mprotect resumed>) = 0 [pid 7490] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7490] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7486] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7491], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7491 [pid 7486] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 242.186118][ T7482] REISERFS (device loop1): Using r5 hash to sort names [ 242.187500][ T7481] REISERFS (device loop0): using ordered data mode [ 242.197068][ T7478] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 242.201850][ T7481] reiserfs: using flush barriers [ 242.227373][ T7489] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7486] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7491 attached [pid 7489] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7491] set_robust_list(0x7f76b0b769e0, 24 [pid 7490] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7489] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] <... mount resumed>) = 0 [pid 7491] <... set_robust_list resumed>) = 0 [pid 7490] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = 1 [pid 7482] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7474] <... futex resumed>) = 0 [pid 7491] memfd_create("syzkaller", 0 [pid 7490] <... futex resumed>) = 1 [pid 7489] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7482] <... openat resumed>) = 3 [pid 7474] exit_group(0 [pid 7491] <... memfd_create resumed>) = 3 [pid 7490] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7489] <... futex resumed>) = ? [pid 7482] chdir("./file0" [pid 7474] <... exit_group resumed>) = ? [pid 7491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7489] +++ exited with 0 +++ [pid 7482] <... chdir resumed>) = 0 [ 242.228418][ T7490] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 242.242344][ T7482] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.257275][ T7478] overlayfs: failed to resolve './file0': -2 [ 242.267792][ T7482] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7491] <... mmap resumed>) = 0x7f76a8756000 [pid 7482] ioctl(4, LOOP_CLR_FD) = 0 [pid 7477] <... futex resumed>) = ? [pid 7475] <... futex resumed>) = 0 [pid 7482] close(4 [pid 7477] +++ exited with 0 +++ [pid 7474] +++ exited with 0 +++ [pid 7482] <... close resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7474, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 7482] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7480] <... futex resumed>) = 0 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7480] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7482] mkdir("./file1", 000 [pid 7478] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... restart_syscall resumed>) = 0 [pid 7482] <... mkdir resumed>) = 0 [pid 7482] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7480] <... futex resumed>) = 0 [pid 7480] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7482] mkdir("./bus", 000) = 0 [pid 5010] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7482] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] <... futex resumed>) = 1 [pid 7480] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7482] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7480] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... futex resumed>) = 0 [ 242.273358][ T7481] 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 [ 242.330904][ T7481] REISERFS (device loop0): checking transaction log (loop0) [pid 7475] exit_group(0 [pid 7490] <... futex resumed>) = ? [pid 7480] <... futex resumed>) = 0 [pid 7475] <... exit_group resumed>) = ? [pid 5010] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7480] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7490] +++ exited with 0 +++ [pid 7478] +++ exited with 0 +++ [pid 7475] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7475, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...> [pid 5010] <... openat resumed>) = 3 [pid 5012] <... restart_syscall resumed>) = 0 [pid 5012] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] fstat(3, [pid 5012] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./116/binderfs") = 0 [pid 5012] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7491] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./115/binderfs") = 0 [pid 5010] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7480] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7480] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7480] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7480] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7492 [pid 7480] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7492 attached [pid 7492] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7492] mkdir(".", 0777) = -1 EEXIST (File exists) [ 242.339150][ T7482] overlayfs: upper fs needs to support d_type. [ 242.354082][ T7482] overlayfs: upper fs does not support tmpfile. [ 242.374781][ T7481] REISERFS (device loop0): Using r5 hash to sort names [ 242.375442][ T7482] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7492] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... mount resumed>) = 0 [pid 7481] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7481] chdir("./file0") = 0 [pid 7481] ioctl(4, LOOP_CLR_FD) = 0 [ 242.418973][ T7481] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.425919][ T7492] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 242.446129][ T7481] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7481] close(4 [pid 7492] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7491] <... write resumed>) = 4194304 [pid 7481] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 7492] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7491] munmap(0x7f76a8756000, 4194304 [pid 7481] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] <... futex resumed>) = 1 [pid 7491] <... munmap resumed>) = 0 [pid 7481] <... futex resumed>) = 1 [pid 7480] <... futex resumed>) = 0 [pid 7479] <... futex resumed>) = 0 [pid 5010] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7492] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7491] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7482] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7481] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7479] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7491] <... openat resumed>) = 4 [pid 7482] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7491] ioctl(4, LOOP_SET_FD, 3 [pid 7482] <... futex resumed>) = 0 [pid 7481] mkdir("./file1", 000 [pid 7480] exit_group(0 [pid 7479] <... futex resumed>) = 0 [pid 5010] lstat("./115/file0", [pid 7492] <... futex resumed>) = ? [pid 7491] <... ioctl resumed>) = 0 [pid 7481] <... mkdir resumed>) = 0 [pid 7480] <... exit_group resumed>) = ? [pid 7479] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] +++ exited with 0 +++ [pid 7482] +++ exited with 0 +++ [pid 7480] +++ exited with 0 +++ [pid 7481] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7481] <... futex resumed>) = 1 [pid 7479] <... futex resumed>) = 0 [pid 5010] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7481] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7479] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7479] <... futex resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7480, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7491] close(3 [pid 7481] mkdir("./bus", 000 [pid 7479] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... openat resumed>) = 4 [pid 7481] <... mkdir resumed>) = 0 [pid 5010] fstat(4, [pid 7481] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7479] <... futex resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 242.509467][ T7482] overlayfs: failed to resolve './file0': -2 [ 242.534053][ T7491] loop3: detected capacity change from 0 to 8192 [pid 5009] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7479] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] getdents64(4, [pid 7481] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7479] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, [pid 5009] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./116/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, [pid 7491] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... openat resumed>) = 3 [pid 7491] mkdir("./file0", 0777 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4 [pid 5009] fstat(3, [pid 7491] <... mkdir resumed>) = 0 [pid 5012] close(4 [pid 5010] <... close resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7491] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5012] <... close resumed>) = 0 [pid 5010] rmdir("./115/file0" [pid 5009] getdents64(3, [pid 5012] rmdir("./116/file0" [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] <... rmdir resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] getdents64(3, [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3 [pid 5009] lstat("./114/binderfs", [pid 5012] close(3 [pid 5010] <... close resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] rmdir("./115" [pid 5009] unlink("./114/binderfs" [pid 5012] rmdir("./116" [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5010] mkdir("./116", 0777 [pid 5009] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] mkdir("./117", 0777 [pid 5010] <... mkdir resumed>) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 242.562326][ T7481] overlayfs: upper fs needs to support d_type. [ 242.569359][ T7481] overlayfs: upper fs does not support tmpfile. [ 242.577211][ T7481] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 242.587471][ T7481] overlayfs: failed to resolve './file0': -2 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5010] <... openat resumed>) = 3 [pid 7481] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... openat resumed>) = 3 [pid 7481] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7479] <... futex resumed>) = 0 [pid 7481] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7479] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7479] <... futex resumed>) = 0 [pid 7481] mkdir(".", 0777 [pid 7479] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7481] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7481] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7481] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7481] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... futex resumed>) = 0 [pid 7479] exit_group(0) = ? [pid 7481] <... futex resumed>) = ? [pid 7481] +++ exited with 0 +++ [pid 7479] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7479, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./114/binderfs") = 0 [pid 5008] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] close(3 [pid 5010] close(3 [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... close resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7494 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7495 ./strace-static-x86_64: Process 7494 attached [pid 7494] set_robust_list(0x555556dec5e0, 24) = 0 [ 242.606864][ T7491] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.614568][ T7481] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 242.622561][ T7491] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 242.643663][ T7491] REISERFS (device loop3): using ordered data mode [ 242.656095][ T7491] reiserfs: using flush barriers [pid 7494] chdir("./117") = 0 [pid 7494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7494] setpgid(0, 0) = 0 [pid 7494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7494] write(3, "1000", 4) = 4 [pid 7494] close(3) = 0 [pid 7494] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7494] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7494] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7494] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7496], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7496 [pid 7494] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7494] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7496 attached [pid 7496] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7496] memfd_create("syzkaller", 0) = 3 [pid 7496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 ./strace-static-x86_64: Process 7495 attached [pid 7495] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7495] chdir("./116") = 0 [pid 7495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7495] setpgid(0, 0) = 0 [pid 7495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7495] write(3, "1000", 4) = 4 [pid 7495] close(3) = 0 [pid 7495] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7495] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7495] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [ 242.677466][ T7491] 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 7495] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7497], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7497 [pid 7495] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7496] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7495] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7497 attached [pid 7497] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7497] memfd_create("syzkaller", 0) = 3 [pid 7497] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 242.818218][ T7491] REISERFS (device loop3): checking transaction log (loop3) [pid 7497] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./114/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] fstat(4, [pid 5008] lstat("./114/file0", [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, [pid 5008] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7496] <... write resumed>) = 4194304 [pid 7496] munmap(0x7f76a8756000, 4194304 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 5008] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 5009] rmdir("./114/file0" [pid 5008] fstat(4, [pid 7496] <... munmap resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7496] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 242.862130][ T7491] REISERFS (device loop3): Using r5 hash to sort names [ 242.884319][ T7491] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.903241][ T7496] loop4: detected capacity change from 0 to 8192 [pid 7496] ioctl(4, LOOP_SET_FD, 3 [pid 5008] getdents64(4, [pid 7496] <... ioctl resumed>) = 0 [pid 7496] close(3) = 0 [pid 7496] mkdir("./file0", 0777 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7496] <... mkdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] getdents64(4, [pid 7496] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 5009] close(3 [pid 5008] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] rmdir("./114/file0" [pid 5009] rmdir("./114" [pid 5008] <... rmdir resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5009] mkdir("./115", 0777 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] close(3 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... close resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] rmdir("./114" [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5008] <... rmdir resumed>) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] mkdir("./115", 0777 [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7499 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7491] <... mount resumed>) = 0 [pid 7491] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7491] chdir("./file0") = 0 [pid 7491] ioctl(4, LOOP_CLR_FD) = 0 [pid 7491] close(4) = 0 [pid 7491] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... futex resumed>) = 0 [pid 7486] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7486] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7500 [pid 7491] <... futex resumed>) = 1 [ 242.908958][ T7491] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 242.932874][ T7496] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7491] mkdir("./file1", 000) = 0 ./strace-static-x86_64: Process 7500 attached ./strace-static-x86_64: Process 7499 attached [pid 7491] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7486] <... futex resumed>) = 0 [pid 7491] mkdir("./bus", 000 [pid 7486] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7491] <... mkdir resumed>) = 0 [pid 7486] <... futex resumed>) = 0 [pid 7491] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7491] <... futex resumed>) = 0 [pid 7486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7491] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7486] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7486] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7500] set_robust_list(0x555556dec5e0, 24 [pid 7499] set_robust_list(0x555556dec5e0, 24 [pid 7497] <... write resumed>) = 4194304 [pid 7500] <... set_robust_list resumed>) = 0 [pid 7499] <... set_robust_list resumed>) = 0 [pid 7497] munmap(0x7f76a8756000, 4194304 [pid 7500] chdir("./115" [pid 7499] chdir("./115" [pid 7497] <... munmap resumed>) = 0 [pid 7500] <... chdir resumed>) = 0 [pid 7499] <... chdir resumed>) = 0 [pid 7497] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7497] <... openat resumed>) = 4 [pid 7500] <... prctl resumed>) = 0 [pid 7499] <... prctl resumed>) = 0 [pid 7497] ioctl(4, LOOP_SET_FD, 3 [pid 7500] setpgid(0, 0 [pid 7499] setpgid(0, 0 [pid 7500] <... setpgid resumed>) = 0 [pid 7499] <... setpgid resumed>) = 0 [ 242.965478][ T7496] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 242.976369][ T7491] overlayfs: upper fs needs to support d_type. [ 242.979384][ T7496] REISERFS (device loop4): using ordered data mode [ 242.982860][ T7491] overlayfs: upper fs does not support tmpfile. [ 242.997232][ T7491] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 243.002516][ T7497] loop2: detected capacity change from 0 to 8192 [pid 7500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7500] <... openat resumed>) = 3 [pid 7499] <... openat resumed>) = 3 [pid 7500] write(3, "1000", 4 [pid 7499] write(3, "1000", 4 [pid 7491] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7500] <... write resumed>) = 4 [pid 7499] <... write resumed>) = 4 [pid 7500] close(3 [pid 7499] close(3 [pid 7500] <... close resumed>) = 0 [pid 7499] <... close resumed>) = 0 [pid 7486] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] symlink("/dev/binderfs", "./binderfs" [pid 7499] symlink("/dev/binderfs", "./binderfs" [pid 7491] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... futex resumed>) = 0 [pid 7500] <... symlink resumed>) = 0 [pid 7499] <... symlink resumed>) = 0 [pid 7497] <... ioctl resumed>) = 0 [pid 7500] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] <... futex resumed>) = 0 [pid 7499] <... futex resumed>) = 0 [pid 7500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7500] <... mmap resumed>) = 0x7f76b0b56000 [pid 7499] <... mmap resumed>) = 0x7f76b0b56000 [pid 7500] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7499] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7500] <... mprotect resumed>) = 0 [pid 7499] <... mprotect resumed>) = 0 [pid 7500] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7499] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7500] <... clone resumed>, parent_tid=[7501], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7501 [pid 7499] <... clone resumed>, parent_tid=[7502], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7502 [pid 7500] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] <... futex resumed>) = 0 [pid 7499] <... futex resumed>) = 0 [pid 7491] <... futex resumed>) = 0 [pid 7486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7500] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7499] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7497] close(3 [pid 7491] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7502 attached [pid 7497] <... close resumed>) = 0 [pid 7486] <... mmap resumed>) = 0x7f76a8b35000 [pid 7502] set_robust_list(0x7f76b0b769e0, 24 [pid 7497] mkdir("./file0", 0777 [pid 7486] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7501 attached [pid 7502] <... set_robust_list resumed>) = 0 [ 243.007159][ T7491] overlayfs: failed to resolve './file0': -2 [ 243.025144][ T7496] reiserfs: using flush barriers [ 243.033212][ T7496] 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 7502] memfd_create("syzkaller", 0 [pid 7501] set_robust_list(0x7f76b0b769e0, 24 [pid 7497] <... mkdir resumed>) = 0 [pid 7486] <... mprotect resumed>) = 0 [pid 7497] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7486] clone(child_stack=0x7f76a8b553f0, 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 7504 attached [pid 7502] <... memfd_create resumed>) = 3 [pid 7501] <... set_robust_list resumed>) = 0 [pid 7486] <... clone resumed>, parent_tid=[7504], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7504 [pid 7486] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 243.062221][ T7496] REISERFS (device loop4): checking transaction log (loop4) [ 243.072434][ T7496] REISERFS (device loop4): Using r5 hash to sort names [ 243.080723][ T7497] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.083200][ T7496] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.095894][ T7497] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7486] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7504] set_robust_list(0x7f76a8b559e0, 24 [pid 7502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7501] memfd_create("syzkaller", 0 [pid 7504] <... set_robust_list resumed>) = 0 [pid 7502] <... mmap resumed>) = 0x7f76a8756000 [pid 7501] <... memfd_create resumed>) = 3 [pid 7496] <... mount resumed>) = 0 [pid 7504] mkdir(".", 0777 [pid 7501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7504] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7501] <... mmap resumed>) = 0x7f76a8756000 [pid 7504] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7496] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7496] chdir("./file0") = 0 [pid 7496] ioctl(4, LOOP_CLR_FD) = 0 [pid 7496] close(4) = 0 [pid 7496] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7494] <... futex resumed>) = 0 [pid 7496] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7494] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7494] <... futex resumed>) = 0 [pid 7496] mkdir("./file1", 000 [pid 7494] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7496] <... mkdir resumed>) = 0 [ 243.108204][ T7496] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 243.117630][ T7497] REISERFS (device loop2): using ordered data mode [ 243.131985][ T7497] reiserfs: using flush barriers [ 243.138623][ T7497] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7496] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7494] <... futex resumed>) = 0 [pid 7496] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7494] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7494] <... futex resumed>) = 0 [pid 7496] mkdir("./bus", 000 [pid 7494] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7496] <... mkdir resumed>) = 0 [pid 7496] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7494] <... futex resumed>) = 0 [pid 7496] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7494] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7494] <... futex resumed>) = 0 [pid 7496] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 243.163509][ T7504] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 243.174799][ T7497] REISERFS (device loop2): checking transaction log (loop2) [ 243.188371][ T7497] REISERFS (device loop2): Using r5 hash to sort names [ 243.194145][ T7496] overlayfs: upper fs needs to support d_type. [ 243.201720][ T7496] overlayfs: upper fs does not support tmpfile. [pid 7494] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7504] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7504] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... futex resumed>) = 0 [pid 7486] exit_group(0 [pid 7491] <... futex resumed>) = ? [pid 7486] <... exit_group resumed>) = ? [pid 7491] +++ exited with 0 +++ [pid 7504] <... futex resumed>) = ? [pid 7501] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] +++ exited with 0 +++ [pid 7486] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7486, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5011] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7494] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... openat resumed>) = 3 [pid 7494] <... futex resumed>) = 0 [pid 7494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] fstat(3, [pid 7494] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7494] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5011] getdents64(3, [pid 7494] <... mprotect resumed>) = 0 [pid 7502] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7494] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7494] <... clone resumed>, parent_tid=[7505], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7505 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7505 attached [pid 7494] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] lstat("./116/binderfs", [pid 7505] set_robust_list(0x7f76a8b559e0, 24 [pid 7494] <... futex resumed>) = 0 [ 243.202036][ T7497] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.215989][ T7496] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7505] <... set_robust_list resumed>) = 0 [pid 7494] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7505] mkdir(".", 0777 [pid 5011] unlink("./116/binderfs" [pid 7505] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7505] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7505] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7501] <... write resumed>) = 4194304 [pid 7505] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7501] munmap(0x7f76a8756000, 4194304 [pid 7505] <... futex resumed>) = 1 [pid 7494] <... futex resumed>) = 0 [pid 7496] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7501] <... munmap resumed>) = 0 [pid 7505] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7501] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7496] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7501] <... openat resumed>) = 4 [pid 7501] ioctl(4, LOOP_SET_FD, 3 [pid 7494] exit_group(0) = ? [pid 7496] <... futex resumed>) = ? [pid 7496] +++ exited with 0 +++ [pid 7505] <... futex resumed>) = ? [pid 7505] +++ exited with 0 +++ [pid 7494] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7494, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [ 243.282216][ T7496] overlayfs: failed to resolve './file0': -2 [ 243.294428][ T7505] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 243.296486][ T7497] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5012] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./117/binderfs" [pid 7501] <... ioctl resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 7501] close(3 [pid 5012] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7501] <... close resumed>) = 0 [pid 7501] mkdir("./file0", 0777) = 0 [ 243.358721][ T7501] loop0: detected capacity change from 0 to 8192 [pid 7501] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7497] <... mount resumed>) = 0 [pid 7497] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7497] <... openat resumed>) = 3 [pid 7497] chdir("./file0" [pid 5011] lstat("./116/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7497] <... chdir resumed>) = 0 [pid 7497] ioctl(4, LOOP_CLR_FD) = 0 [pid 7497] close(4 [ 243.404140][ T7501] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.421344][ T7501] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 243.431404][ T7501] REISERFS (device loop0): using ordered data mode [ 243.438573][ T7501] reiserfs: using flush barriers [pid 5011] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7497] <... close resumed>) = 0 [pid 7497] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... futex resumed>) = 0 [pid 7495] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7495] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7497] <... futex resumed>) = 1 [pid 7497] mkdir("./file1", 000) = 0 [pid 7497] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... futex resumed>) = 0 [pid 7495] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7495] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7497] <... futex resumed>) = 1 [pid 7497] mkdir("./bus", 000) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 7502] <... write resumed>) = 4194304 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7502] munmap(0x7f76a8756000, 4194304 [pid 7497] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(4, [pid 7497] <... futex resumed>) = 1 [pid 7495] <... futex resumed>) = 0 [pid 7497] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7495] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... munmap resumed>) = 0 [pid 7495] <... futex resumed>) = 0 [ 243.446624][ T7501] 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 [ 243.470170][ T7501] REISERFS (device loop0): checking transaction log (loop0) [ 243.482162][ T7497] overlayfs: upper fs needs to support d_type. [ 243.488720][ T7501] REISERFS (device loop0): Using r5 hash to sort names [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7502] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7495] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7502] <... openat resumed>) = 4 [pid 5011] close(4 [pid 5012] <... umount2 resumed>) = 0 [pid 7502] ioctl(4, LOOP_SET_FD, 3 [pid 7501] <... mount resumed>) = 0 [pid 5012] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... close resumed>) = 0 [pid 7501] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] rmdir("./116/file0" [pid 7502] <... ioctl resumed>) = 0 [pid 7502] close(3) = 0 [pid 7502] mkdir("./file0", 0777) = 0 [pid 7502] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7501] <... openat resumed>) = 3 [pid 7501] chdir("./file0") = 0 [pid 7501] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] lstat("./117/file0", [pid 7501] close(4) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 7501] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, [pid 7501] <... futex resumed>) = 1 [pid 7500] <... futex resumed>) = 0 [pid 5012] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7501] mkdir("./file1", 000 [pid 7500] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] close(3 [pid 7501] <... mkdir resumed>) = 0 [pid 7500] <... futex resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... close resumed>) = 0 [pid 7501] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... openat resumed>) = 4 [pid 5011] rmdir("./116" [pid 7501] <... futex resumed>) = 0 [pid 7500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] fstat(4, [pid 5011] <... rmdir resumed>) = 0 [pid 7501] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] mkdir("./117", 0777 [pid 7501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7500] <... futex resumed>) = 0 [pid 5012] getdents64(4, [pid 5011] <... mkdir resumed>) = 0 [pid 7501] mkdir("./bus", 000 [pid 7500] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7495] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7501] <... mkdir resumed>) = 0 [pid 7495] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(4, [pid 5011] <... openat resumed>) = 3 [pid 7501] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7501] <... futex resumed>) = 1 [ 243.505516][ T7501] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.515613][ T7497] overlayfs: upper fs does not support tmpfile. [ 243.519215][ T7501] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 243.532070][ T7497] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 243.535866][ T7502] loop1: detected capacity change from 0 to 8192 [ 243.544455][ T7497] overlayfs: failed to resolve './file0': -2 [pid 7500] <... futex resumed>) = 0 [pid 7495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] close(4 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7501] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7495] <... mmap resumed>) = 0x7f76a8b35000 [pid 7495] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7500] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 5011] close(3 [pid 7501] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7500] <... futex resumed>) = 0 [pid 7497] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7495] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] rmdir("./117/file0" [pid 5011] <... close resumed>) = 0 [pid 7500] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... rmdir resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [ 243.577413][ T7502] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.591364][ T7502] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 243.601875][ T7502] REISERFS (device loop1): using ordered data mode [ 243.608854][ T7502] reiserfs: using flush barriers [ 243.615144][ T7501] overlayfs: upper fs needs to support d_type. [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7508 [pid 5012] close(3) = 0 [pid 5012] rmdir("./117") = 0 [pid 5012] mkdir("./118", 0777./strace-static-x86_64: Process 7508 attached ) = 0 [pid 7508] set_robust_list(0x555556dec5e0, 24 [pid 7497] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7508] <... set_robust_list resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 7508] chdir("./117" [pid 5012] ioctl(3, LOOP_CLR_FD [pid 7508] <... chdir resumed>) = 0 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] close(3 [pid 7508] <... prctl resumed>) = 0 [pid 7497] <... futex resumed>) = 0 [pid 7495] <... clone resumed>, parent_tid=[7509], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7509 [pid 5012] <... close resumed>) = 0 [pid 7508] setpgid(0, 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7509 attached [pid 7508] <... setpgid resumed>) = 0 [pid 7497] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7495] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7510 [pid 7508] <... openat resumed>) = 3 [pid 7508] write(3, "1000", 4) = 4 [pid 7509] set_robust_list(0x7f76a8b559e0, 24 [ 243.615912][ T7502] 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 [ 243.634903][ T7501] overlayfs: upper fs does not support tmpfile. [ 243.639538][ T7502] REISERFS (device loop1): checking transaction log (loop1) [ 243.660090][ T7502] REISERFS (device loop1): Using r5 hash to sort names [pid 7508] close(3./strace-static-x86_64: Process 7510 attached [pid 7509] <... set_robust_list resumed>) = 0 [pid 7508] <... close resumed>) = 0 [pid 7502] <... mount resumed>) = 0 [pid 7500] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7495] <... futex resumed>) = 0 [pid 7509] mkdir(".", 0777 [pid 7508] symlink("/dev/binderfs", "./binderfs" [pid 7510] set_robust_list(0x555556dec5e0, 24 [pid 7509] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7508] <... symlink resumed>) = 0 [pid 7502] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7500] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7510] <... set_robust_list resumed>) = 0 [pid 7509] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7508] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] <... futex resumed>) = 0 [pid 7510] chdir("./118" [pid 7502] <... openat resumed>) = 3 [pid 7501] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7502] chdir("./file0" [pid 7501] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... chdir resumed>) = 0 [pid 7501] <... futex resumed>) = 0 [pid 7502] ioctl(4, LOOP_CLR_FD [pid 7501] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7502] <... ioctl resumed>) = 0 [pid 7502] close(4) = 0 [pid 7502] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7502] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 243.668688][ T7502] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.681822][ T7502] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 243.682281][ T7501] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 243.707404][ T7501] overlayfs: failed to resolve './file0': -2 [pid 7508] <... futex resumed>) = 0 [pid 7508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7508] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7510] <... chdir resumed>) = 0 [pid 7508] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7508] <... clone resumed>, parent_tid=[7511], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7511 [pid 7500] <... mmap resumed>) = 0x7f76a8b35000 [pid 7499] <... futex resumed>) = 0 [pid 7510] <... prctl resumed>) = 0 [pid 7508] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7499] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] setpgid(0, 0 [pid 7508] <... futex resumed>) = 0 [pid 7502] <... futex resumed>) = 0 [pid 7500] <... mprotect resumed>) = 0 [pid 7499] <... futex resumed>) = 1 [pid 7510] <... setpgid resumed>) = 0 [pid 7508] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7502] mkdir("./file1", 000 [pid 7500] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7499] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7509] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7509] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... futex resumed>) = 0 [pid 7502] <... mkdir resumed>) = 0 [pid 7495] exit_group(0 [pid 7497] <... futex resumed>) = ? [pid 7495] <... exit_group resumed>) = ? [pid 7510] <... openat resumed>) = 3 [pid 7502] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7512 attached ./strace-static-x86_64: Process 7511 attached [pid 7510] write(3, "1000", 4 [pid 7502] <... futex resumed>) = 1 [pid 7500] <... clone resumed>, parent_tid=[7512], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7512 [pid 7499] <... futex resumed>) = 0 [pid 7497] +++ exited with 0 +++ [pid 7509] <... futex resumed>) = ? [pid 7512] set_robust_list(0x7f76a8b559e0, 24 [pid 7511] set_robust_list(0x7f76b0b769e0, 24 [pid 7510] <... write resumed>) = 4 [pid 7502] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7512] <... set_robust_list resumed>) = 0 [pid 7511] <... set_robust_list resumed>) = 0 [pid 7510] close(3 [pid 7509] +++ exited with 0 +++ [pid 7502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7500] <... futex resumed>) = 0 [pid 7499] <... futex resumed>) = 0 [pid 7495] +++ exited with 0 +++ [pid 7512] mkdir(".", 0777 [pid 7511] memfd_create("syzkaller", 0 [pid 7510] <... close resumed>) = 0 [pid 7502] mkdir("./bus", 000 [pid 7500] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7499] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7495, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 7512] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7511] <... memfd_create resumed>) = 3 [pid 7510] symlink("/dev/binderfs", "./binderfs" [pid 7502] <... mkdir resumed>) = 0 [pid 7512] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 243.718932][ T7509] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7510] <... symlink resumed>) = 0 [pid 7502] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] <... mmap resumed>) = 0x7f76a8756000 [pid 7510] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... futex resumed>) = 1 [pid 7499] <... futex resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [pid 7502] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7499] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7499] <... futex resumed>) = 0 [pid 7510] <... mmap resumed>) = 0x7f76b0b56000 [pid 7502] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7499] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7512] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7510] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7510] <... mprotect resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7510] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... openat resumed>) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, [pid 7510] <... clone resumed>, parent_tid=[7513], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7513 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7512] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7511] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7510] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7510] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] lstat("./116/binderfs", ./strace-static-x86_64: Process 7513 attached [pid 7512] <... futex resumed>) = 1 [pid 7500] <... futex resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7513] set_robust_list(0x7f76b0b769e0, 24 [pid 7512] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] exit_group(0 [pid 5010] unlink("./116/binderfs" [pid 7513] <... set_robust_list resumed>) = 0 [pid 7512] <... futex resumed>) = ? [pid 7500] <... exit_group resumed>) = ? [pid 7501] <... futex resumed>) = ? [pid 5010] <... unlink resumed>) = 0 [pid 7513] memfd_create("syzkaller", 0 [pid 7512] +++ exited with 0 +++ [pid 7501] +++ exited with 0 +++ [pid 7500] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7500, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7513] <... memfd_create resumed>) = 3 [pid 5010] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7513] <... mmap resumed>) = 0x7f76a8756000 [pid 5008] unlink("./115/binderfs") = 0 [pid 5008] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7499] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7499] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7499] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7499] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7514 [pid 7499] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 243.778926][ T7512] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 243.798102][ T7502] overlayfs: upper fs needs to support d_type. [ 243.805480][ T7502] overlayfs: upper fs does not support tmpfile. [ 243.819131][ T7502] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7499] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7514 attached [pid 7514] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7514] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7514] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7502] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7502] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7513] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7502] <... futex resumed>) = 0 [pid 7502] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... umount2 resumed>) = 0 [pid 7514] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 243.866979][ T7502] overlayfs: failed to resolve './file0': -2 [ 243.895338][ T7514] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7514] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7499] <... futex resumed>) = 0 [pid 7499] exit_group(0 [pid 7514] exit_group(0 [pid 7502] <... futex resumed>) = ? [pid 7499] <... exit_group resumed>) = ? [pid 7514] +++ exited with 0 +++ [pid 7502] +++ exited with 0 +++ [pid 7499] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7499, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5010] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./116/file0", [pid 5009] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 4 [pid 5009] fstat(3, [pid 5010] fstat(4, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] getdents64(4, [pid 5009] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... close resumed>) = 0 [pid 5009] lstat("./115/binderfs", [pid 5010] rmdir("./116/file0" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] unlink("./115/binderfs" [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5010] close(3 [pid 5009] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./116") = 0 [pid 5010] mkdir("./117", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 7513] <... write resumed>) = 4194304 [pid 5010] <... close resumed>) = 0 [pid 7511] <... write resumed>) = 4194304 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7511] munmap(0x7f76a8756000, 4194304 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7515 [pid 7513] munmap(0x7f76a8756000, 4194304 [pid 7511] <... munmap resumed>) = 0 [pid 7513] <... munmap resumed>) = 0 [pid 7513] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 7515 attached ) = 4 [pid 7513] ioctl(4, LOOP_SET_FD, 3 [pid 7515] set_robust_list(0x555556dec5e0, 24) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 7515] chdir("./117") = 0 [pid 7515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7511] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7515] <... prctl resumed>) = 0 [pid 7511] <... openat resumed>) = 4 [pid 7515] setpgid(0, 0) = 0 [pid 7511] ioctl(4, LOOP_SET_FD, 3 [pid 7515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7513] <... ioctl resumed>) = 0 [pid 7513] close(3 [pid 7515] write(3, "1000", 4 [pid 7513] <... close resumed>) = 0 [pid 7511] <... ioctl resumed>) = 0 [pid 5008] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7515] <... write resumed>) = 4 [pid 7513] mkdir("./file0", 0777 [pid 7515] close(3) = 0 [pid 7513] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7513] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7515] symlink("/dev/binderfs", "./binderfs" [pid 5008] lstat("./115/file0", [pid 7515] <... symlink resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7515] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7515] <... futex resumed>) = 0 [pid 7515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7515] <... mmap resumed>) = 0x7f76b0b56000 [pid 7511] close(3 [pid 5008] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7515] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7511] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 7515] <... mprotect resumed>) = 0 [pid 7511] mkdir("./file0", 0777 [pid 5008] fstat(4, [pid 7515] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7511] <... mkdir resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7511] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] getdents64(4, [pid 7515] <... clone resumed>, parent_tid=[7517], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7517 [ 244.035045][ T7513] loop4: detected capacity change from 0 to 8192 [ 244.043152][ T7511] loop3: detected capacity change from 0 to 8192 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7515] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(4, [pid 7515] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7515] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] close(4) = 0 ./strace-static-x86_64: Process 7517 attached [pid 5008] rmdir("./115/file0") = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./115") = 0 [pid 5008] mkdir("./116", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7517] set_robust_list(0x7f76b0b769e0, 24 [pid 5008] close(3 [pid 7517] <... set_robust_list resumed>) = 0 [pid 5009] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 244.074923][ T7513] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.088494][ T7513] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 244.098436][ T7513] REISERFS (device loop4): using ordered data mode [ 244.105173][ T7513] reiserfs: using flush barriers [ 244.111626][ T7511] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5009] lstat("./115/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7519 ./strace-static-x86_64: Process 7519 attached [pid 7517] memfd_create("syzkaller", 0 [pid 5009] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7519] set_robust_list(0x555556dec5e0, 24 [pid 7517] <... memfd_create resumed>) = 3 [pid 7519] <... set_robust_list resumed>) = 0 [pid 7517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7519] chdir("./116" [pid 7517] <... mmap resumed>) = 0x7f76a8756000 [pid 7519] <... chdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7519] <... prctl resumed>) = 0 [pid 5009] <... openat resumed>) = 4 [pid 7519] setpgid(0, 0 [pid 5009] fstat(4, [pid 7519] <... setpgid resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] getdents64(4, [pid 7519] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7519] write(3, "1000", 4 [pid 5009] getdents64(4, [pid 7519] <... write resumed>) = 4 [ 244.113049][ T7513] 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 [ 244.125056][ T7511] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 244.150229][ T7511] REISERFS (device loop3): using ordered data mode [ 244.157632][ T7511] reiserfs: using flush barriers [ 244.163979][ T7511] 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 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7519] close(3 [pid 5009] close(4 [pid 7519] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7519] symlink("/dev/binderfs", "./binderfs" [pid 5009] rmdir("./115/file0" [pid 7519] <... symlink resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7519] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] getdents64(3, [pid 7519] <... futex resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] close(3 [pid 7519] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] <... close resumed>) = 0 [pid 7519] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] rmdir("./115" [pid 7519] <... mprotect resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7519] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] mkdir("./116", 0777) = 0 [pid 7519] <... clone resumed>, parent_tid=[7520], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7520 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7519] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... openat resumed>) = 3 [pid 7519] <... futex resumed>) = 0 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7519] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] close(3 [pid 7517] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... close resumed>) = 0 ./strace-static-x86_64: Process 7520 attached [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7520] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7521 [pid 7520] memfd_create("syzkaller", 0) = 3 [pid 7520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 244.181310][ T7513] REISERFS (device loop4): checking transaction log (loop4) [ 244.191024][ T7513] REISERFS (device loop4): Using r5 hash to sort names [ 244.207124][ T7511] REISERFS (device loop3): checking transaction log (loop3) [ 244.208861][ T7513] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! ./strace-static-x86_64: Process 7521 attached [pid 7521] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7521] chdir("./116") = 0 [pid 7513] <... mount resumed>) = 0 [pid 7521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7513] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7521] <... prctl resumed>) = 0 [pid 7513] <... openat resumed>) = 3 [pid 7521] setpgid(0, 0 [pid 7513] chdir("./file0" [pid 7521] <... setpgid resumed>) = 0 [pid 7513] <... chdir resumed>) = 0 [pid 7521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7513] ioctl(4, LOOP_CLR_FD [pid 7521] <... openat resumed>) = 3 [pid 7513] <... ioctl resumed>) = 0 [pid 7521] write(3, "1000", 4 [pid 7513] close(4 [pid 7521] <... write resumed>) = 4 [pid 7513] <... close resumed>) = 0 [pid 7521] close(3) = 0 [pid 7521] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7521] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7513] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 244.236297][ T7513] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 244.275333][ T7511] REISERFS (device loop3): Using r5 hash to sort names [pid 7521] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7521] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7522 [pid 7521] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7521] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7513] <... futex resumed>) = 1 [pid 7510] <... futex resumed>) = 0 [pid 7517] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 7522 attached [pid 7522] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7522] memfd_create("syzkaller", 0) = 3 [pid 7513] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7510] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7517] munmap(0x7f76a8756000, 4194304 [pid 7513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7511] <... mount resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [pid 7522] <... mmap resumed>) = 0x7f76a8756000 [pid 7517] <... munmap resumed>) = 0 [pid 7513] mkdir("./file1", 000 [pid 7511] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7510] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7520] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7517] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7513] <... mkdir resumed>) = 0 [pid 7511] <... openat resumed>) = 3 [pid 7517] <... openat resumed>) = 4 [pid 7513] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] chdir("./file0" [pid 7517] ioctl(4, LOOP_SET_FD, 3 [pid 7513] <... futex resumed>) = 1 [pid 7511] <... chdir resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [ 244.283702][ T7511] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.304276][ T7511] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7513] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7511] ioctl(4, LOOP_CLR_FD [pid 7513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7510] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] <... ioctl resumed>) = 0 [pid 7513] mkdir("./bus", 000 [pid 7511] <... ioctl resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [pid 7517] close(3 [pid 7513] <... mkdir resumed>) = 0 [pid 7511] close(4 [pid 7510] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7517] <... close resumed>) = 0 [pid 7513] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] <... close resumed>) = 0 [pid 7517] mkdir("./file0", 0777 [pid 7513] <... futex resumed>) = 0 [pid 7511] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7517] <... mkdir resumed>) = 0 [pid 7513] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7511] <... futex resumed>) = 1 [pid 7510] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] <... futex resumed>) = 0 [pid 7517] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7511] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7510] <... futex resumed>) = 0 [pid 7508] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7513] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7510] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7508] <... futex resumed>) = 0 [pid 7511] mkdir("./file1", 000 [pid 7508] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7511] <... mkdir resumed>) = 0 [ 244.349182][ T7517] loop2: detected capacity change from 0 to 8192 [ 244.387327][ T7513] overlayfs: upper fs needs to support d_type. [pid 7511] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7508] <... futex resumed>) = 0 [pid 7511] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7508] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [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 7520] <... write resumed>) = 4194304 [pid 7511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7508] <... futex resumed>) = 0 [pid 7511] mkdir("./bus", 000 [pid 7510] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7508] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7511] <... mkdir resumed>) = 0 [pid 7510] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] <... futex resumed>) = 0 [pid 7511] <... futex resumed>) = 1 [pid 7510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7508] <... futex resumed>) = 0 [pid 7511] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7510] <... mmap resumed>) = 0x7f76a8b35000 [ 244.395137][ T7517] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.409243][ T7513] overlayfs: upper fs does not support tmpfile. [ 244.433081][ T7513] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 244.438478][ T7517] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7508] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7508] <... futex resumed>) = 0 [pid 7510] <... mprotect resumed>) = 0 [pid 7508] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7510] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7524], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7524 [pid 7510] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 244.450342][ T7517] REISERFS (device loop2): using ordered data mode [ 244.452387][ T7511] overlayfs: upper fs needs to support d_type. [ 244.457113][ T7517] reiserfs: using flush barriers [ 244.472292][ T7513] overlayfs: failed to resolve './file0': -2 [ 244.477161][ T7517] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.478746][ T7511] overlayfs: upper fs does not support tmpfile. [pid 7510] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7520] munmap(0x7f76a8756000, 4194304) = 0 ./strace-static-x86_64: Process 7524 attached [pid 7524] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7524] mkdir(".", 0777 [pid 7520] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7513] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7524] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7520] <... openat resumed>) = 4 [pid 7513] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7524] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7520] ioctl(4, LOOP_SET_FD, 3 [pid 7513] <... futex resumed>) = 0 [pid 7513] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7508] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7508] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7508] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7520] <... ioctl resumed>) = 0 [pid 7508] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7520] close(3) = 0 [pid 7508] <... clone resumed>, parent_tid=[7525], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7525 [pid 7511] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7520] mkdir("./file0", 0777 [pid 7508] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7525 attached [pid 7520] <... mkdir resumed>) = 0 [pid 7508] <... futex resumed>) = 0 [pid 7525] set_robust_list(0x7f76a8b559e0, 24 [pid 7520] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7508] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7525] <... set_robust_list resumed>) = 0 [pid 7525] mkdir(".", 0777) = -1 EEXIST (File exists) [ 244.507214][ T7511] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 244.514948][ T7520] loop0: detected capacity change from 0 to 8192 [ 244.522050][ T7524] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 244.523054][ T7511] overlayfs: failed to resolve './file0': -2 [ 244.544626][ T7517] REISERFS (device loop2): checking transaction log (loop2) [ 244.553684][ T7517] REISERFS (device loop2): Using r5 hash to sort names [ 244.553860][ T7520] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.562291][ T7517] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.577147][ T7525] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7525] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7524] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7511] <... futex resumed>) = 0 [pid 7524] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7524] <... futex resumed>) = 1 [pid 7517] <... mount resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [pid 7510] exit_group(0 [pid 7513] <... futex resumed>) = ? [pid 7510] <... exit_group resumed>) = ? [pid 7513] +++ exited with 0 +++ [pid 7517] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7524] +++ exited with 0 +++ [pid 7517] <... openat resumed>) = 3 [pid 7510] +++ exited with 0 +++ [pid 7517] chdir("./file0" [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7510, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 7525] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7517] <... chdir resumed>) = 0 [pid 7517] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7517] close(4 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7525] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] <... close resumed>) = 0 [ 244.587146][ T7517] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 244.611133][ T7520] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 244.621061][ T7520] REISERFS (device loop0): using ordered data mode [ 244.627701][ T7520] reiserfs: using flush barriers [ 244.634134][ T7520] 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 5012] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7525] <... futex resumed>) = 1 [pid 7517] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 7517] <... futex resumed>) = 1 [pid 7515] <... futex resumed>) = 0 [pid 7508] exit_group(0 [pid 5012] fstat(3, [pid 7517] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] <... futex resumed>) = ? [pid 7508] <... exit_group resumed>) = ? [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7515] <... futex resumed>) = 0 [pid 7511] +++ exited with 0 +++ [pid 5012] getdents64(3, [pid 7525] +++ exited with 0 +++ [pid 7517] mkdir("./file1", 000 [pid 7515] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7508] +++ exited with 0 +++ [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7517] <... mkdir resumed>) = 0 [pid 5012] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7517] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7508, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 7517] <... futex resumed>) = 1 [pid 7515] <... futex resumed>) = 0 [pid 5012] lstat("./118/binderfs", [pid 5011] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7517] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7515] <... futex resumed>) = 0 [pid 5012] unlink("./118/binderfs" [pid 5011] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7517] mkdir("./bus", 000 [pid 7515] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... unlink resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 7517] <... mkdir resumed>) = 0 [pid 5012] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] fstat(3, [pid 7517] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7517] <... futex resumed>) = 1 [pid 7515] <... futex resumed>) = 0 [pid 5011] getdents64(3, [pid 7520] <... mount resumed>) = 0 [pid 7517] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7522] <... write resumed>) = 4194304 [pid 7520] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7515] <... futex resumed>) = 0 [ 244.650926][ T7520] REISERFS (device loop0): checking transaction log (loop0) [ 244.659825][ T7520] REISERFS (device loop0): Using r5 hash to sort names [ 244.677263][ T7520] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.690527][ T7520] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5011] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7522] munmap(0x7f76a8756000, 4194304 [pid 7520] <... openat resumed>) = 3 [pid 7517] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7515] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7522] <... munmap resumed>) = 0 [pid 7520] chdir("./file0" [pid 5011] lstat("./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./117/binderfs" [pid 7522] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7520] <... chdir resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 7522] <... openat resumed>) = 4 [pid 7520] ioctl(4, LOOP_CLR_FD [pid 5011] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7522] ioctl(4, LOOP_SET_FD, 3 [pid 7520] <... ioctl resumed>) = 0 [pid 7522] <... ioctl resumed>) = 0 [pid 7520] close(4 [pid 7522] close(3 [pid 7520] <... close resumed>) = 0 [pid 7522] <... close resumed>) = 0 [pid 7520] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] mkdir("./file0", 0777 [pid 7520] <... futex resumed>) = 1 [pid 7519] <... futex resumed>) = 0 [pid 7522] <... mkdir resumed>) = 0 [pid 7520] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7519] <... futex resumed>) = 0 [pid 7515] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7520] mkdir("./file1", 000 [pid 7519] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 244.721231][ T7517] overlayfs: upper fs needs to support d_type. [ 244.732753][ T7517] overlayfs: upper fs does not support tmpfile. [ 244.740943][ T7522] loop1: detected capacity change from 0 to 8192 [ 244.748597][ T7517] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7515] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7520] <... mkdir resumed>) = 0 [pid 7515] <... futex resumed>) = 0 [pid 7520] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7515] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7515] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7520] <... futex resumed>) = 1 [pid 7519] <... futex resumed>) = 0 [pid 7520] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] <... clone resumed>, parent_tid=[7528], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7528 [pid 7520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7519] <... futex resumed>) = 0 [pid 7515] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7520] mkdir("./bus", 000 [pid 7519] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7515] <... futex resumed>) = 0 [pid 7520] <... mkdir resumed>) = 0 [pid 7515] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7528 attached [pid 7520] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] set_robust_list(0x7f76a8b559e0, 24 [pid 7520] <... futex resumed>) = 1 [pid 7519] <... futex resumed>) = 0 [ 244.784348][ T7517] overlayfs: failed to resolve './file0': -2 [ 244.791591][ T7522] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7528] <... set_robust_list resumed>) = 0 [pid 7520] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = 0 [pid 7528] mkdir(".", 0777 [pid 7520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7519] <... futex resumed>) = 0 [pid 5012] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7528] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7520] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7519] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 244.828522][ T7522] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 244.838281][ T7522] REISERFS (device loop1): using ordered data mode [ 244.844847][ T7522] reiserfs: using flush barriers [ 244.852206][ T7520] overlayfs: upper fs needs to support d_type. [ 244.858838][ T7522] 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 7528] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] lstat("./118/file0", [pid 5011] <... umount2 resumed>) = 0 [pid 7517] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7517] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7517] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7517] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... openat resumed>) = 4 [pid 5012] fstat(4, [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4 [pid 5011] lstat("./117/file0", [pid 7520] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... close resumed>) = 0 [pid 7520] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] rmdir("./118/file0" [pid 7520] <... futex resumed>) = 1 [pid 7519] <... futex resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7520] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 5011] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7519] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7528] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7520] mkdir(".", 0777 [pid 7519] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] close(3 [pid 5011] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7520] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5012] <... close resumed>) = 0 [pid 7528] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... openat resumed>) = 4 [pid 7528] <... futex resumed>) = 1 [pid 7515] <... futex resumed>) = 0 [pid 7520] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7515] exit_group(0 [pid 7528] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] <... exit_group resumed>) = ? [pid 5012] rmdir("./118" [pid 7517] <... futex resumed>) = ? [pid 5011] fstat(4, [pid 7517] +++ exited with 0 +++ [pid 5012] <... rmdir resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] mkdir("./119", 0777 [pid 7528] <... futex resumed>) = ? [pid 7528] +++ exited with 0 +++ [pid 7515] +++ exited with 0 +++ [ 244.885977][ T7520] overlayfs: upper fs does not support tmpfile. [ 244.891159][ T7528] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 244.893150][ T7520] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 244.914511][ T7520] overlayfs: failed to resolve './file0': -2 [ 244.922243][ T7522] REISERFS (device loop1): checking transaction log (loop1) [pid 5011] getdents64(4, [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7515, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7520] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] getdents64(4, [pid 5012] <... openat resumed>) = 3 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5011] close(4 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... close resumed>) = 0 [pid 5012] close(3 [pid 5011] rmdir("./117/file0" [pid 5012] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] getdents64(3, [pid 7522] <... mount resumed>) = 0 [pid 7520] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7529 [pid 5011] close(3 [pid 5010] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7529 attached [pid 7522] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7520] <... futex resumed>) = 1 [pid 7519] <... futex resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7529] set_robust_list(0x555556dec5e0, 24 [pid 7522] <... openat resumed>) = 3 [pid 7520] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] exit_group(0 [pid 5011] rmdir("./117" [pid 5010] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7529] <... set_robust_list resumed>) = 0 [pid 7522] chdir("./file0" [pid 7520] <... futex resumed>) = ? [pid 7519] <... exit_group resumed>) = ? [pid 5011] <... rmdir resumed>) = 0 [pid 7529] chdir("./119" [pid 7522] <... chdir resumed>) = 0 [pid 7520] +++ exited with 0 +++ [pid 5010] <... openat resumed>) = 3 [pid 7522] ioctl(4, LOOP_CLR_FD) = 0 [pid 7519] +++ exited with 0 +++ [pid 5011] mkdir("./118", 0777 [pid 5010] fstat(3, [pid 7529] <... chdir resumed>) = 0 [pid 7522] close(4) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7519, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7522] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... mkdir resumed>) = 0 [pid 5010] getdents64(3, [pid 7529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7522] <... futex resumed>) = 1 [pid 7521] <... futex resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7529] <... prctl resumed>) = 0 [pid 7522] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7521] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... openat resumed>) = 3 [pid 5010] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7529] setpgid(0, 0 [pid 7522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7521] <... futex resumed>) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7529] <... setpgid resumed>) = 0 [pid 7522] mkdir("./file1", 000 [pid 7521] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] lstat("./117/binderfs", [pid 7529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7522] <... mkdir resumed>) = 0 [pid 5011] close(3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7529] <... openat resumed>) = 3 [pid 7522] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... close resumed>) = 0 [pid 5010] unlink("./117/binderfs" [pid 7522] <... futex resumed>) = 1 [pid 7521] <... futex resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7529] write(3, "1000", 4 [pid 7522] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7521] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... unlink resumed>) = 0 [pid 5008] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7521] <... futex resumed>) = 0 [pid 7529] <... write resumed>) = 4 [pid 7522] mkdir("./bus", 000 [pid 7521] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7529] close(3 [pid 7522] <... mkdir resumed>) = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7530 [pid 7529] <... close resumed>) = 0 [pid 7522] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7522] <... futex resumed>) = 1 [pid 7521] <... futex resumed>) = 0 [pid 7522] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7521] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7530 attached [pid 7522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 244.939367][ T7522] REISERFS (device loop1): Using r5 hash to sort names [ 244.941346][ T7520] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 244.947599][ T7522] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.973085][ T7522] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7521] <... futex resumed>) = 0 [pid 7530] set_robust_list(0x555556dec5e0, 24 [pid 7529] symlink("/dev/binderfs", "./binderfs" [pid 7522] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7521] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... openat resumed>) = 3 [pid 7530] <... set_robust_list resumed>) = 0 [pid 7529] <... symlink resumed>) = 0 [pid 7530] chdir("./118" [pid 7529] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] fstat(3, [pid 7530] <... chdir resumed>) = 0 [pid 7530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7530] setpgid(0, 0) = 0 [pid 7530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7530] write(3, "1000", 4) = 4 [pid 7529] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7530] close(3 [pid 5008] getdents64(3, [pid 7530] <... close resumed>) = 0 [pid 7529] <... mmap resumed>) = 0x7f76b0b56000 [pid 7530] symlink("/dev/binderfs", "./binderfs" [pid 7529] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7530] <... symlink resumed>) = 0 [pid 7529] <... mprotect resumed>) = 0 [pid 7530] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7530] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7530] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7531 [pid 7530] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7530] <... futex resumed>) = 0 [pid 7530] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7529] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./116/binderfs", [pid 7529] <... clone resumed>, parent_tid=[7532], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7532 [pid 7529] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7529] <... futex resumed>) = 0 [pid 5008] unlink("./116/binderfs" [pid 7529] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7531 attached [pid 5008] <... unlink resumed>) = 0 [pid 7531] set_robust_list(0x7f76b0b769e0, 24./strace-static-x86_64: Process 7532 attached ) = 0 [pid 5008] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7532] set_robust_list(0x7f76b0b769e0, 24 [pid 7531] memfd_create("syzkaller", 0 [pid 7532] <... set_robust_list resumed>) = 0 [pid 7531] <... memfd_create resumed>) = 3 [pid 7532] memfd_create("syzkaller", 0 [pid 7531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7532] <... memfd_create resumed>) = 3 [pid 7531] <... mmap resumed>) = 0x7f76a8756000 [pid 7532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7521] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7521] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7521] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7521] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7533], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7533 [pid 7521] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 245.015984][ T7522] overlayfs: upper fs needs to support d_type. [ 245.022251][ T7522] overlayfs: upper fs does not support tmpfile. [ 245.051398][ T7522] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7521] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7533 attached [pid 7533] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7533] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7533] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./117/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 245.121310][ T7533] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7533] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] <... openat resumed>) = 4 [pid 7533] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [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 7533] <... futex resumed>) = 1 [pid 7521] <... futex resumed>) = 0 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7533] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] getdents64(4, [pid 7522] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7522] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7522] <... futex resumed>) = 0 [pid 5010] getdents64(4, [pid 7522] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7521] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7533] <... futex resumed>) = ? [pid 7522] <... futex resumed>) = ? [pid 7521] <... exit_group resumed>) = ? [pid 5010] close(4 [pid 7533] +++ exited with 0 +++ [pid 7522] +++ exited with 0 +++ [pid 7521] +++ exited with 0 +++ [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./117/file0" [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7521, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5010] <... rmdir resumed>) = 0 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5010] getdents64(3, [pid 5009] <... restart_syscall resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5009] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] rmdir("./117" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... rmdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = 0 [pid 5010] mkdir("./118", 0777 [pid 5009] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5008] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [ 245.179336][ T7522] overlayfs: failed to resolve './file0': -2 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./116/file0", [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] close(3 [pid 5009] lstat("./116/binderfs", [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./116/binderfs") = 0 [pid 5009] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7534 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./116/file0"./strace-static-x86_64: Process 7534 attached ) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7534] set_robust_list(0x555556dec5e0, 24 [pid 5008] close(3) = 0 [pid 5008] rmdir("./116" [pid 7534] <... set_robust_list resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./117", 0777 [pid 7534] chdir("./118" [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7534] <... chdir resumed>) = 0 [pid 7534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7534] setpgid(0, 0) = 0 [pid 7534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7535 [pid 7534] <... openat resumed>) = 3 [pid 7534] write(3, "1000", 4) = 4 [pid 7534] close(3./strace-static-x86_64: Process 7535 attached ) = 0 [pid 7535] set_robust_list(0x555556dec5e0, 24 [pid 7534] symlink("/dev/binderfs", "./binderfs" [pid 7535] <... set_robust_list resumed>) = 0 [pid 7534] <... symlink resumed>) = 0 [pid 7535] chdir("./117" [pid 7534] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... chdir resumed>) = 0 [pid 7534] <... futex resumed>) = 0 [pid 7535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7535] <... prctl resumed>) = 0 [pid 7534] <... mmap resumed>) = 0x7f76b0b56000 [pid 7535] setpgid(0, 0 [pid 7534] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7535] <... setpgid resumed>) = 0 [pid 7534] <... mprotect resumed>) = 0 [pid 7535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7534] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7535] <... openat resumed>) = 3 [pid 7535] write(3, "1000", 4 [pid 7534] <... clone resumed>, parent_tid=[7536], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7536 [pid 7535] <... write resumed>) = 4 [pid 7534] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] close(3 [pid 7534] <... futex resumed>) = 0 [pid 7535] <... close resumed>) = 0 [pid 7534] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7535] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7535] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7536 attached ) = 0x7f76b0b56000 [pid 7536] set_robust_list(0x7f76b0b769e0, 24 [pid 7535] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7536] <... set_robust_list resumed>) = 0 [pid 7535] <... mprotect resumed>) = 0 [pid 7536] memfd_create("syzkaller", 0 [pid 7535] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7536] <... memfd_create resumed>) = 3 [pid 7536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7535] <... clone resumed>, parent_tid=[7537], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7537 [pid 7536] <... mmap resumed>) = 0x7f76a8756000 [pid 7535] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7535] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7531] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 7537 attached [pid 7537] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7537] memfd_create("syzkaller", 0) = 3 [pid 7537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7532] <... write resumed>) = 4194304 [pid 7532] munmap(0x7f76a8756000, 4194304) = 0 [pid 7532] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7531] munmap(0x7f76a8756000, 4194304 [pid 7532] <... openat resumed>) = 4 [pid 7532] ioctl(4, LOOP_SET_FD, 3 [pid 7531] <... munmap resumed>) = 0 [pid 7531] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7531] ioctl(4, LOOP_SET_FD, 3 [pid 7532] <... ioctl resumed>) = 0 [pid 7532] close(3) = 0 [pid 7532] mkdir("./file0", 0777) = 0 [pid 7531] <... ioctl resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 7532] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./116/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7531] close(3 [pid 5009] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7531] <... close resumed>) = 0 [ 245.369758][ T7532] loop4: detected capacity change from 0 to 8192 [ 245.371556][ T7531] loop3: detected capacity change from 0 to 8192 [pid 7537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./116/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./116") = 0 [pid 5009] mkdir("./117", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7531] mkdir("./file0", 0777) = 0 [pid 7531] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7539 ./strace-static-x86_64: Process 7539 attached [ 245.413565][ T7532] 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 [pid 7539] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7539] chdir("./117") = 0 [pid 7539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7539] setpgid(0, 0) = 0 [pid 7539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7539] write(3, "1000", 4) = 4 [pid 7539] close(3) = 0 [pid 7539] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7539] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7539] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7539] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7541], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7541 [pid 7539] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7539] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7541 attached [pid 7541] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7541] memfd_create("syzkaller", 0) = 3 [pid 7541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7537] <... write resumed>) = 4194304 [pid 7537] munmap(0x7f76a8756000, 4194304) = 0 [pid 7537] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 245.465399][ T7532] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 245.482140][ T7531] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.484711][ T7532] REISERFS (device loop4): using ordered data mode [pid 7537] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7537] close(3) = 0 [pid 7537] mkdir("./file0", 0777) = 0 [ 245.533254][ T7537] loop0: detected capacity change from 0 to 8192 [ 245.540838][ T7532] reiserfs: using flush barriers [ 245.545330][ T7531] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 245.556925][ T7531] REISERFS (device loop3): using ordered data mode [ 245.564111][ T7531] reiserfs: using flush barriers [pid 7537] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 245.564321][ T7532] 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 [ 245.570672][ 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 [ 245.602540][ T7537] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.603127][ T7531] REISERFS (device loop3): checking transaction log (loop3) [ 245.624723][ T7537] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 245.636729][ T7537] REISERFS (device loop0): using ordered data mode [ 245.637555][ T7531] REISERFS (device loop3): Using r5 hash to sort names [ 245.644184][ T7537] reiserfs: using flush barriers [ 245.658780][ T7537] 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 [ 245.665887][ T7532] REISERFS (device loop4): checking transaction log (loop4) [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 7536] <... write resumed>) = 4194304 [pid 7536] munmap(0x7f76a8756000, 4194304) = 0 [ 245.675841][ T7537] REISERFS (device loop0): checking transaction log (loop0) [ 245.685774][ T7531] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.691181][ T7537] REISERFS (device loop0): Using r5 hash to sort names [ 245.709959][ T7537] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.723299][ T7537] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7536] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7537] <... mount resumed>) = 0 [pid 7537] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7537] chdir("./file0") = 0 [pid 7537] ioctl(4, LOOP_CLR_FD) = 0 [pid 7537] close(4) = 0 [pid 7537] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... futex resumed>) = 0 [pid 7536] <... openat resumed>) = 4 [pid 7536] ioctl(4, LOOP_SET_FD, 3 [pid 7535] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7535] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7537] <... futex resumed>) = 1 [pid 7537] mkdir("./file1", 000) = 0 [pid 7537] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... futex resumed>) = 0 [pid 7535] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7535] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7537] <... futex resumed>) = 1 [pid 7537] mkdir("./bus", 000) = 0 [pid 7537] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... futex resumed>) = 0 [pid 7535] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7535] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7537] <... futex resumed>) = 1 [pid 7537] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7541] <... write resumed>) = 4194304 [pid 7536] <... ioctl resumed>) = 0 [pid 7531] <... mount resumed>) = 0 [pid 7541] munmap(0x7f76a8756000, 4194304 [pid 7536] close(3 [pid 7541] <... munmap resumed>) = 0 [pid 7536] <... close resumed>) = 0 [pid 7541] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7536] mkdir("./file0", 0777 [pid 7531] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7541] <... openat resumed>) = 4 [pid 7536] <... mkdir resumed>) = 0 [pid 7531] <... openat resumed>) = 3 [ 245.723875][ T7531] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 245.748482][ T7536] loop2: detected capacity change from 0 to 8192 [ 245.752848][ T7537] overlayfs: upper fs needs to support d_type. [ 245.765641][ T7537] overlayfs: upper fs does not support tmpfile. [ 245.767531][ T7532] REISERFS (device loop4): Using r5 hash to sort names [pid 7541] ioctl(4, LOOP_SET_FD, 3 [pid 7536] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7531] chdir("./file0") = 0 [pid 7531] ioctl(4, LOOP_CLR_FD) = 0 [pid 7535] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7531] close(4 [pid 7535] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] <... close resumed>) = 0 [pid 7531] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7531] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7535] <... futex resumed>) = 0 [pid 7530] <... futex resumed>) = 0 [ 245.786197][ T7537] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 245.786709][ T7541] loop1: detected capacity change from 0 to 8192 [ 245.794920][ T7537] overlayfs: failed to resolve './file0': -2 [ 245.809183][ T7532] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.822667][ T7532] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7541] <... ioctl resumed>) = 0 [pid 7535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7532] <... mount resumed>) = 0 [pid 7530] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] close(3 [pid 7532] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7541] <... close resumed>) = 0 [pid 7532] <... openat resumed>) = 3 [pid 7541] mkdir("./file0", 0777 [pid 7532] chdir("./file0" [pid 7541] <... mkdir resumed>) = 0 [pid 7532] <... chdir resumed>) = 0 [pid 7541] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7532] ioctl(4, LOOP_CLR_FD) = 0 [pid 7532] close(4) = 0 [pid 7532] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7532] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7530] <... futex resumed>) = 1 [pid 7529] <... futex resumed>) = 0 [pid 7535] <... mmap resumed>) = 0x7f76a8b35000 [pid 7529] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7535] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7532] <... futex resumed>) = 0 [pid 7531] <... futex resumed>) = 0 [pid 7529] <... futex resumed>) = 1 [pid 7535] <... mprotect resumed>) = 0 [pid 7532] mkdir("./file1", 000) = 0 [pid 7532] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7532] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7531] mkdir("./file1", 000 [pid 7529] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7535] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7531] <... mkdir resumed>) = 0 [pid 7537] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7537] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7537] <... futex resumed>) = 0 [pid 7529] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... clone resumed>, parent_tid=[7545], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7545 [pid 7531] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7537] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7532] <... futex resumed>) = 0 [pid 7529] <... futex resumed>) = 1 [pid 7535] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] mkdir("./bus", 000 [pid 7531] <... futex resumed>) = 1 [pid 7530] <... futex resumed>) = 0 [pid 7535] <... futex resumed>) = 0 [pid 7529] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] <... mkdir resumed>) = 0 [pid 7532] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 245.825876][ T7536] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.848035][ T7541] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.848534][ T7536] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 245.875351][ T7536] REISERFS (device loop2): using ordered data mode [pid 7532] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7535] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7531] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7530] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7545 attached [pid 7545] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7545] mkdir(".", 0777 [pid 7531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7530] <... futex resumed>) = 0 [pid 7529] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] <... futex resumed>) = 0 [pid 7530] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7529] <... futex resumed>) = 1 [pid 7531] mkdir("./bus", 000 [pid 7532] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7531] <... mkdir resumed>) = 0 [pid 7529] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7545] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7545] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7531] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 245.883681][ T7536] reiserfs: using flush barriers [ 245.893742][ T7532] overlayfs: upper fs needs to support d_type. [ 245.895633][ T7541] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 245.905297][ T7532] overlayfs: upper fs does not support tmpfile. [ 245.909137][ T7536] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7531] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7530] <... futex resumed>) = 0 [pid 7530] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] <... futex resumed>) = 0 [pid 7530] <... futex resumed>) = 1 [pid 7531] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7530] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7529] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7529] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7529] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 245.931124][ T7545] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 245.932517][ T7536] REISERFS (device loop2): checking transaction log (loop2) [ 245.953998][ T7536] REISERFS (device loop2): Using r5 hash to sort names [ 245.962042][ T7532] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 245.962089][ T7531] overlayfs: upper fs needs to support d_type. [ 245.975784][ T7536] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7529] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7546], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7546 [pid 7529] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7529] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7546 attached [pid 7546] set_robust_list(0x7f76a8b559e0, 24 [pid 7545] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7536] <... mount resumed>) = 0 [pid 7532] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 245.986517][ T7541] REISERFS (device loop1): using ordered data mode [ 245.996861][ T7532] overlayfs: failed to resolve './file0': -2 [ 246.001153][ T7541] reiserfs: using flush barriers [ 246.003850][ T7536] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 246.012005][ T7531] overlayfs: upper fs does not support tmpfile. [pid 7546] <... set_robust_list resumed>) = 0 [pid 7545] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7536] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7532] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7546] mkdir(".", 0777 [pid 7545] <... futex resumed>) = 1 [pid 7536] <... openat resumed>) = 3 [pid 7532] <... futex resumed>) = 0 [pid 7530] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... futex resumed>) = 0 [pid 7545] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7536] chd