./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1110921435 <...> Warning: Permanently added '10.128.10.61' (ED25519) to the list of known hosts. execve("./syz-executor1110921435", ["./syz-executor1110921435"], 0x7ffd504c2ee0 /* 10 vars */) = 0 brk(NULL) = 0x555575d68000 brk(0x555575d68d00) = 0x555575d68d00 arch_prctl(ARCH_SET_FS, 0x555575d68380) = 0 set_tid_address(0x555575d68650) = 5828 set_robust_list(0x555575d68660, 24) = 0 rseq(0x555575d68ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1110921435", 4096) = 28 getrandom("\xb6\x95\x4b\x6a\xda\x7d\x76\xcd", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555575d68d00 brk(0x555575d89d00) = 0x555575d89d00 brk(0x555575d8a000) = 0x555575d8a000 mprotect(0x7ff4432a1000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("./syzkaller.6eC9Uf", 0700) = 0 chmod("./syzkaller.6eC9Uf", 0777) = 0 chdir("./syzkaller.6eC9Uf") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5829 attached [pid 5829] set_robust_list(0x555575d68660, 24) = 0 [pid 5829] chdir("./0" [pid 5828] <... clone resumed>, child_tidptr=0x555575d68650) = 5829 [pid 5829] <... chdir resumed>) = 0 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5829] setpgid(0, 0) = 0 [pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "1000", 4) = 4 [pid 5829] close(3) = 0 [pid 5829] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5829] write(1, "executing program\n", 18executing program ) = 18 [pid 5829] memfd_create("syzkaller", 0) = 3 [pid 5829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff43ac00000 [pid 5829] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5829] munmap(0x7ff43ac00000, 138412032) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5829] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5829] close(3) = 0 [pid 5829] close(4) = 0 [pid 5829] mkdir("./file1", 0777) = 0 [pid 5829] mount("/dev/loop0", "./file1", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "quota,discard=0x000000000000aff9,iocharset=none,iocharset=macgreek,iocharset=iso8859-1,integrity,nod"...) = 0 [pid 5829] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5829] chdir("./file1") = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 88.491412][ T5829] loop0: detected capacity change from 0 to 32768 [pid 5829] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 4 [pid 5829] mmap(0x200000001000, 4096, PROT_WRITE, MAP_SHARED_VALIDATE|MAP_FIXED, 4, 0) = 0x200000001000 [pid 5829] writev(-1, [{iov_base=0x200000001200, iov_len=409600}], 1) = -1 EBADF (Bad file descriptor) [ 88.541564][ T30] audit: type=1800 audit(1745234808.394:2): pid=5829 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor111" name="file1" dev="loop0" ino=4 res=0 errno=0 [ 88.567713][ T5829] find_entry called with index = 0 [ 88.573946][ T5829] read_mapping_page failed! [ 88.578583][ T5829] ERROR: (device loop0): txCommit: [ 88.578583][ T5829] [pid 5829] rename("./file0/file0", "./file1") = -1 EIO (Input/output error) [pid 5829] exit_group(0) = ? [pid 5829] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [ 88.587010][ T5829] ERROR: (device loop0): remounting filesystem as read-only umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555575d696f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 88.735788][ T5828] ------------[ cut here ]------------ [ 88.741447][ T5828] kernel BUG at fs/inode.c:753! [ 88.746320][ T5828] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 88.752559][ T5828] CPU: 0 UID: 0 PID: 5828 Comm: syz-executor111 Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #0 PREEMPT(full) [ 88.764960][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 88.775013][ T5828] RIP: 0010:clear_inode+0x168/0x190 [ 88.780214][ T5828] Code: 4c 89 f7 e8 4a 6f e6 ff e9 61 ff ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 7c c1 4c 89 f7 e8 20 70 e6 ff eb b7 e8 79 c6 7e ff 90 <0f> 0b e8 71 c6 7e ff 90 0f 0b e8 69 c6 7e ff 90 0f 0b e8 61 c6 7e [ 88.799828][ T5828] RSP: 0018:ffffc90003f8f7c8 EFLAGS: 00010093 [ 88.805896][ T5828] RAX: ffffffff8243f5e7 RBX: 0000000000000001 RCX: ffff88807fc10000 [ 88.813862][ T5828] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 88.821827][ T5828] RBP: ffffc90003f8f980 R08: ffffffff8243f4d7 R09: fffff520007f1ed4 [ 88.829786][ T5828] R10: dffffc0000000000 R11: fffff520007f1ed4 R12: dffffc0000000000 [ 88.837745][ T5828] R13: ffff88807aac3248 R14: ffff88807aac3470 R15: ffff88807aac3248 [ 88.845708][ T5828] FS: 0000555575d68380(0000) GS:ffff888124fcf000(0000) knlGS:0000000000000000 [ 88.854630][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.861204][ T5828] CR2: 00007ffe48dd488c CR3: 000000007afae000 CR4: 00000000003526f0 [ 88.869172][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.877157][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.885120][ T5828] Call Trace: [ 88.888392][ T5828] [ 88.891319][ T5828] jfs_evict_inode+0xb5/0x440 [ 88.895991][ T5828] ? __pfx_jfs_evict_inode+0x10/0x10 [ 88.901270][ T5828] evict+0x4f9/0x9b0 [ 88.905171][ T5828] ? __pfx_evict+0x10/0x10 [ 88.909587][ T5828] ? _raw_spin_unlock+0x28/0x50 [ 88.914450][ T5828] ? iput+0x713/0xa50 [ 88.918431][ T5828] __dentry_kill+0x20d/0x630 [ 88.923035][ T5828] ? shrink_kill+0x8d/0x2c0 [ 88.927535][ T5828] ? shrink_kill+0x8d/0x2c0 [ 88.932034][ T5828] shrink_kill+0xa9/0x2c0 [ 88.936359][ T5828] shrink_dentry_list+0x2c0/0x5b0 [ 88.941402][ T5828] shrink_dcache_parent+0xcd/0x3c0 [ 88.946518][ T5828] ? __pfx_shrink_dcache_parent+0x10/0x10 [ 88.952241][ T5828] do_one_tree+0x23/0xe0 [ 88.956482][ T5828] shrink_dcache_for_umount+0xb4/0x180 [ 88.961940][ T5828] generic_shutdown_super+0x6a/0x2d0 [ 88.967225][ T5828] kill_block_super+0x44/0x90 [ 88.971897][ T5828] deactivate_locked_super+0xc4/0x130 [ 88.977266][ T5828] cleanup_mnt+0x422/0x4c0 [ 88.981681][ T5828] ? lockdep_hardirqs_on+0x9d/0x150 [ 88.986870][ T5828] task_work_run+0x251/0x310 [ 88.991462][ T5828] ? __pfx_task_work_run+0x10/0x10 [ 88.996567][ T5828] ? path_umount+0x251/0xfb0 [ 89.001154][ T5828] ptrace_notify+0x2dc/0x390 [ 89.005741][ T5828] ? __x64_sys_umount+0x122/0x170 [ 89.010765][ T5828] ? user_path_at+0x44/0x60 [ 89.015288][ T5828] ? __pfx_ptrace_notify+0x10/0x10 [ 89.020401][ T5828] ? kmem_cache_free+0x197/0x410 [ 89.025344][ T5828] ? __x64_sys_umount+0x122/0x170 [ 89.030365][ T5828] syscall_exit_work+0xc7/0x1d0 [ 89.035210][ T5828] syscall_exit_to_user_mode+0x24a/0x340 [ 89.040840][ T5828] do_syscall_64+0x100/0x210 [ 89.045423][ T5828] ? clear_bhb_loop+0x45/0xa0 [ 89.050093][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.055977][ T5828] RIP: 0033:0x7ff443228607 [ 89.060397][ T5828] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 89.079998][ T5828] RSP: 002b:00007ffe48dd4878 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 89.088429][ T5828] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff443228607 [ 89.096424][ T5828] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe48dd4930 [ 89.104388][ T5828] RBP: 00007ffe48dd4930 R08: 0000000000000000 R09: 0000000000000000 [ 89.112353][ T5828] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffe48dd59a0 [ 89.120325][ T5828] R13: 0000555575d696c0 R14: 431bde82d7b634db R15: 00007ffe48dd59c0 [ 89.128298][ T5828] [ 89.131313][ T5828] Modules linked in: [ 89.135223][ T5828] ---[ end trace 0000000000000000 ]--- [ 89.140676][ T5828] RIP: 0010:clear_inode+0x168/0x190 [ 89.145888][ T5828] Code: 4c 89 f7 e8 4a 6f e6 ff e9 61 ff ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 7c c1 4c 89 f7 e8 20 70 e6 ff eb b7 e8 79 c6 7e ff 90 <0f> 0b e8 71 c6 7e ff 90 0f 0b e8 69 c6 7e ff 90 0f 0b e8 61 c6 7e [ 89.165500][ T5828] RSP: 0018:ffffc90003f8f7c8 EFLAGS: 00010093 [ 89.171570][ T5828] RAX: ffffffff8243f5e7 RBX: 0000000000000001 RCX: ffff88807fc10000 [ 89.179535][ T5828] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 89.187504][ T5828] RBP: ffffc90003f8f980 R08: ffffffff8243f4d7 R09: fffff520007f1ed4 [ 89.195485][ T5828] R10: dffffc0000000000 R11: fffff520007f1ed4 R12: dffffc0000000000 [ 89.203462][ T5828] R13: ffff88807aac3248 R14: ffff88807aac3470 R15: ffff88807aac3248 [ 89.211426][ T5828] FS: 0000555575d68380(0000) GS:ffff888124fcf000(0000) knlGS:0000000000000000 [ 89.220351][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.226924][ T5828] CR2: 00007ffe48dd488c CR3: 000000007afae000 CR4: 00000000003526f0 [ 89.234901][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.242873][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.250855][ T5828] Kernel panic - not syncing: Fatal exception [ 89.257259][ T5828] Kernel Offset: disabled [ 89.261582][ T5828] Rebooting in 86400 seconds..