./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3339851704 <...> Warning: Permanently added '10.128.1.128' (ED25519) to the list of known hosts. execve("./syz-executor3339851704", ["./syz-executor3339851704"], 0x7fff1c581bb0 /* 10 vars */) = 0 brk(NULL) = 0x55556a0ef000 brk(0x55556a0efd00) = 0x55556a0efd00 arch_prctl(ARCH_SET_FS, 0x55556a0ef380) = 0 set_tid_address(0x55556a0ef650) = 5827 set_robust_list(0x55556a0ef660, 24) = 0 rseq(0x55556a0efca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3339851704", 4096) = 28 getrandom("\x44\x79\x34\xcb\xb3\xda\xa9\x7b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556a0efd00 brk(0x55556a110d00) = 0x55556a110d00 brk(0x55556a111000) = 0x55556a111000 mprotect(0x7fd0df990000, 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 getrandom("\xa2\xbb\x99\x92\x1c\x7f\x52\xbc", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.wgOHYR", 0700) = 0 chmod("./syzkaller.wgOHYR", 0777) = 0 chdir("./syzkaller.wgOHYR") = 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 5828 attached [pid 5828] set_robust_list(0x55556a0ef660, 24 [pid 5827] <... clone resumed>, child_tidptr=0x55556a0ef650) = 5828 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5828] chdir("./0") = 0 [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5828] setpgid(0, 0) = 0 [pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1000", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5828] write(1, "executing program\n", 18executing program ) = 18 [pid 5828] memfd_create("syzkaller", 0) = 3 [pid 5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0d7400000 [pid 5828] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5828] munmap(0x7fd0d7400000, 138412032) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5828] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5828] close(3) = 0 [pid 5828] close(4) = 0 [pid 5828] mkdir("./file1", 0777) = 0 [pid 5828] mount("/dev/loop0", "./file1", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "iocharset=koi8-u,discard=0x0000000000000004,iocharset=iso8859-9,errors=continue,iocharset=koi8-ru,er"...) = 0 [ 87.243251][ T5828] loop0: detected capacity change from 0 to 32768 [pid 5828] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5828] chdir("./file1") = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 5828] unlink("./file1") = -1 EIO (Input/output error) [pid 5828] exit_group(0) = ? [pid 5828] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=26 /* 0.26 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 87.337564][ T5828] read_mapping_page failed! [ 87.342203][ T5828] ERROR: (device loop0): txCommit: [ 87.342203][ T5828] 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, 0x55556a0f06f0 /* 4 entries */, 32768) = 112 [ 87.413890][ T5827] ------------[ cut here ]------------ [ 87.419478][ T5827] kernel BUG at fs/inode.c:753! [ 87.424330][ T5827] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 87.430570][ T5827] CPU: 0 UID: 0 PID: 5827 Comm: syz-executor333 Not tainted 6.16.0-rc1-syzkaller-00005-g488ef3560196 #0 PREEMPT(full) [ 87.443578][ T5827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 87.453627][ T5827] RIP: 0010:clear_inode+0x169/0x190 [ 87.458840][ T5827] Code: 4c 89 f7 e8 59 20 e8 ff e9 60 ff ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 7c c0 4c 89 f7 e8 2f 21 e8 ff eb b6 e8 b8 d3 86 ff 90 <0f> 0b e8 b0 d3 86 ff 90 0f 0b e8 a8 d3 86 ff 90 0f 0b e8 a0 d3 86 [ 87.478454][ T5827] RSP: 0018:ffffc900042af870 EFLAGS: 00010093 [ 87.484601][ T5827] RAX: ffffffff82397a38 RBX: ffff88807fd416a0 RCX: ffff88802a095a00 [ 87.492578][ T5827] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 87.500542][ T5827] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 87.508504][ T5827] R10: dffffc0000000000 R11: fffff52000855eec R12: dffffc0000000000 [ 87.516467][ T5827] R13: dffffc0000000000 R14: ffff88807fd418c8 R15: 0000000000000001 [ 87.524430][ T5827] FS: 000055556a0ef380(0000) GS:ffff888125c86000(0000) knlGS:0000000000000000 [ 87.533352][ T5827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.539927][ T5827] CR2: 00007fffdbc05ba8 CR3: 0000000029ac4000 CR4: 00000000003526f0 [ 87.547906][ T5827] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.555865][ T5827] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.563828][ T5827] Call Trace: [ 87.567102][ T5827] [ 87.570034][ T5827] ? __pfx_jfs_evict_inode+0x10/0x10 [ 87.575319][ T5827] jfs_evict_inode+0xb1/0x440 [ 87.580008][ T5827] ? evict+0x4f8/0x9c0 [ 87.584172][ T5827] ? __pfx_jfs_evict_inode+0x10/0x10 [ 87.589463][ T5827] evict+0x501/0x9c0 [ 87.593365][ T5827] ? __pfx_evict+0x10/0x10 [ 87.597793][ T5827] ? do_raw_spin_unlock+0x122/0x240 [ 87.603067][ T5827] ? _raw_spin_unlock+0x28/0x50 [ 87.607929][ T5827] ? iput+0x6d8/0x9d0 [ 87.611904][ T5827] __dentry_kill+0x209/0x660 [ 87.616485][ T5827] ? shrink_kill+0x8d/0x2c0 [ 87.620983][ T5827] shrink_kill+0xa9/0x2c0 [ 87.625308][ T5827] shrink_dentry_list+0x2e0/0x5e0 [ 87.630329][ T5827] shrink_dcache_parent+0xa1/0x2c0 [ 87.635437][ T5827] ? __pfx_shrink_dcache_parent+0x10/0x10 [ 87.641167][ T5827] ? call_rcu+0x6dd/0x990 [ 87.645513][ T5827] do_one_tree+0x23/0xe0 [ 87.649761][ T5827] shrink_dcache_for_umount+0xa0/0x170 [ 87.655240][ T5827] generic_shutdown_super+0x67/0x2c0 [ 87.660529][ T5827] kill_block_super+0x44/0x90 [ 87.665204][ T5827] deactivate_locked_super+0xbc/0x130 [ 87.670571][ T5827] cleanup_mnt+0x425/0x4c0 [ 87.674987][ T5827] ? lockdep_hardirqs_on+0x9c/0x150 [ 87.680186][ T5827] task_work_run+0x1d1/0x260 [ 87.684772][ T5827] ? __pfx_task_work_run+0x10/0x10 [ 87.689874][ T5827] ? __x64_sys_umount+0x122/0x160 [ 87.694895][ T5827] ptrace_notify+0x281/0x2c0 [ 87.699485][ T5827] ? __pfx_ptrace_notify+0x10/0x10 [ 87.704588][ T5827] ? __x64_sys_umount+0x122/0x160 [ 87.709620][ T5827] ? __pfx___x64_sys_umount+0x10/0x10 [ 87.714986][ T5827] syscall_exit_work+0xc6/0x1d0 [ 87.719831][ T5827] do_syscall_64+0x2ad/0x3b0 [ 87.724421][ T5827] ? lockdep_hardirqs_on+0x9c/0x150 [ 87.729616][ T5827] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.735670][ T5827] ? clear_bhb_loop+0x60/0xb0 [ 87.740338][ T5827] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.746218][ T5827] RIP: 0033:0x7fd0df917587 [ 87.750632][ T5827] 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 [ 87.770233][ T5827] RSP: 002b:00007fffdbc06358 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 87.778639][ T5827] RAX: 0000000000000000 RBX: 0000000000015316 RCX: 00007fd0df917587 [ 87.786603][ T5827] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffdbc06410 [ 87.794578][ T5827] RBP: 00007fffdbc06410 R08: 0000000000000000 R09: 0000000000000000 [ 87.802540][ T5827] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fffdbc07480 [ 87.810504][ T5827] R13: 000055556a0f06c0 R14: 431bde82d7b634db R15: 00007fffdbc074a0 [ 87.818474][ T5827] [ 87.821482][ T5827] Modules linked in: [ 87.825371][ T5827] ---[ end trace 0000000000000000 ]--- [ 87.830851][ T5827] RIP: 0010:clear_inode+0x169/0x190 [ 87.836060][ T5827] Code: 4c 89 f7 e8 59 20 e8 ff e9 60 ff ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 7c c0 4c 89 f7 e8 2f 21 e8 ff eb b6 e8 b8 d3 86 ff 90 <0f> 0b e8 b0 d3 86 ff 90 0f 0b e8 a8 d3 86 ff 90 0f 0b e8 a0 d3 86 [ 87.855761][ T5827] RSP: 0018:ffffc900042af870 EFLAGS: 00010093 [ 87.861826][ T5827] RAX: ffffffff82397a38 RBX: ffff88807fd416a0 RCX: ffff88802a095a00 [ 87.869809][ T5827] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 87.877777][ T5827] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 87.885738][ T5827] R10: dffffc0000000000 R11: fffff52000855eec R12: dffffc0000000000 [ 87.893701][ T5827] R13: dffffc0000000000 R14: ffff88807fd418c8 R15: 0000000000000001 [ 87.901664][ T5827] FS: 000055556a0ef380(0000) GS:ffff888125c86000(0000) knlGS:0000000000000000 [ 87.910584][ T5827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.917157][ T5827] CR2: 00007fffdbc05ba8 CR3: 0000000029ac4000 CR4: 00000000003526f0 [ 87.925128][ T5827] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.933183][ T5827] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.941146][ T5827] Kernel panic - not syncing: Fatal exception [ 87.947484][ T5827] Kernel Offset: disabled [ 87.951809][ T5827] Rebooting in 86400 seconds..