./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3423136637
<...>
Warning: Permanently added '10.128.1.146' (ED25519) to the list of known hosts.
execve("./syz-executor3423136637", ["./syz-executor3423136637"], 0x7ffce9a4d8b0 /* 10 vars */) = 0
brk(NULL) = 0x5555731a9000
brk(0x5555731a9d00) = 0x5555731a9d00
arch_prctl(ARCH_SET_FS, 0x5555731a9380) = 0
set_tid_address(0x5555731a9650) = 5825
set_robust_list(0x5555731a9660, 24) = 0
rseq(0x5555731a9ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3423136637", 4096) = 28
getrandom("\xad\xc4\x50\x43\xdd\x9c\x49\xd5", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555731a9d00
brk(0x5555731cad00) = 0x5555731cad00
brk(0x5555731cb000) = 0x5555731cb000
mprotect(0x7f0a47d6a000, 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.ZGEqWj", 0700) = 0
chmod("./syzkaller.ZGEqWj", 0777) = 0
chdir("./syzkaller.ZGEqWj") = 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 5827 attached
<unfinished ...>
[pid 5827] set_robust_list(0x5555731a9660, 24) = 0
[pid 5825] <... clone resumed>, child_tidptr=0x5555731a9650) = 5827
[pid 5827] chdir("./0") = 0
[pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5827] setpgid(0, 0) = 0
[pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5827] write(3, "1000", 4) = 4
[pid 5827] close(3) = 0
[pid 5827] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5827] write(1, "executing program\n", 18) = 18
[pid 5827] memfd_create("syzkaller", 0executing program
) = 3
[pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0a3f800000
[pid 5827] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5827] munmap(0x7f0a3f800000, 138412032) = 0
[pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5827] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5827] close(3) = 0
[pid 5827] close(4) = 0
[pid 5827] mkdir("./file1", 0777) = 0
[pid 5827] 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
[ 88.391443][ T5827] loop0: detected capacity change from 0 to 32768
[pid 5827] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid 5827] chdir("./file1") = 0
[pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5827] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4
[pid 5827] unlink("./file1") = -1 EIO (Input/output error)
[pid 5827] exit_group(0) = ?
[pid 5827] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[ 88.464924][ T5827] read_mapping_page failed!
[ 88.470258][ T5827] ERROR: (device loop0): txCommit:
[ 88.470258][ T5827]
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, 0x5555731aa6f0 /* 4 entries */, 32768) = 112
[ 88.540494][ T5825] ------------[ cut here ]------------
[ 88.546073][ T5825] kernel BUG at fs/inode.c:753!
[ 88.550931][ T5825] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
[ 88.557165][ T5825] CPU: 1 UID: 0 PID: 5825 Comm: syz-executor342 Not tainted 6.16.0-rc1-syzkaller-00005-g488ef3560196 #0 PREEMPT(full)
[ 88.569573][ T5825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 88.579638][ T5825] RIP: 0010:clear_inode+0x169/0x190
[ 88.584841][ T5825] 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
[ 88.604439][ T5825] RSP: 0018:ffffc9000421f870 EFLAGS: 00010093
[ 88.610504][ T5825] RAX: ffffffff82397a38 RBX: ffff888061303248 RCX: ffff88802c331e00
[ 88.618472][ T5825] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 88.626453][ T5825] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
[ 88.634432][ T5825] R10: dffffc0000000000 R11: fffff52000843eec R12: dffffc0000000000
[ 88.642401][ T5825] R13: dffffc0000000000 R14: ffff888061303470 R15: 0000000000000001
[ 88.650369][ T5825] FS: 00005555731a9380(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000
[ 88.659292][ T5825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 88.665867][ T5825] CR2: 00005555731b26f8 CR3: 00000000772a4000 CR4: 00000000003526f0
[ 88.673846][ T5825] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 88.681811][ T5825] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 88.689783][ T5825] Call Trace:
[ 88.693059][ T5825] <TASK>
[ 88.695987][ T5825] ? __pfx_jfs_evict_inode+0x10/0x10
[ 88.701275][ T5825] jfs_evict_inode+0xb1/0x440
[ 88.705952][ T5825] ? evict+0x4f8/0x9c0
[ 88.710017][ T5825] ? __pfx_jfs_evict_inode+0x10/0x10
[ 88.715301][ T5825] evict+0x501/0x9c0
[ 88.719191][ T5825] ? __pfx_evict+0x10/0x10
[ 88.723610][ T5825] ? do_raw_spin_unlock+0x122/0x240
[ 88.728804][ T5825] ? _raw_spin_unlock+0x28/0x50
[ 88.733674][ T5825] ? iput+0x6d8/0x9d0
[ 88.737668][ T5825] __dentry_kill+0x209/0x660
[ 88.742289][ T5825] ? shrink_kill+0x8d/0x2c0
[ 88.746804][ T5825] shrink_kill+0xa9/0x2c0
[ 88.751141][ T5825] shrink_dentry_list+0x2e0/0x5e0
[ 88.756164][ T5825] shrink_dcache_parent+0xa1/0x2c0
[ 88.761280][ T5825] ? __pfx_shrink_dcache_parent+0x10/0x10
[ 88.767044][ T5825] ? call_rcu+0x6dd/0x990
[ 88.771386][ T5825] do_one_tree+0x23/0xe0
[ 88.775628][ T5825] shrink_dcache_for_umount+0xa0/0x170
[ 88.781087][ T5825] generic_shutdown_super+0x67/0x2c0
[ 88.786366][ T5825] kill_block_super+0x44/0x90
[ 88.791038][ T5825] deactivate_locked_super+0xbc/0x130
[ 88.796406][ T5825] cleanup_mnt+0x425/0x4c0
[ 88.800827][ T5825] ? lockdep_hardirqs_on+0x9c/0x150
[ 88.806038][ T5825] task_work_run+0x1d1/0x260
[ 88.810627][ T5825] ? __pfx_task_work_run+0x10/0x10
[ 88.815736][ T5825] ? __x64_sys_umount+0x122/0x160
[ 88.820759][ T5825] ptrace_notify+0x281/0x2c0
[ 88.825359][ T5825] ? __pfx_ptrace_notify+0x10/0x10
[ 88.830468][ T5825] ? __x64_sys_umount+0x122/0x160
[ 88.835486][ T5825] ? __pfx___x64_sys_umount+0x10/0x10
[ 88.840857][ T5825] ? rcu_is_watching+0x15/0xb0
[ 88.845620][ T5825] syscall_exit_work+0xc6/0x1d0
[ 88.850466][ T5825] do_syscall_64+0x2ad/0x3b0
[ 88.855046][ T5825] ? lockdep_hardirqs_on+0x9c/0x150
[ 88.860241][ T5825] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.866299][ T5825] ? clear_bhb_loop+0x60/0xb0
[ 88.870967][ T5825] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.876853][ T5825] RIP: 0033:0x7f0a47cf1587
[ 88.881264][ T5825] 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
[ 88.900868][ T5825] RSP: 002b:00007ffe2693eaa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 88.909276][ T5825] RAX: 0000000000000000 RBX: 000000000001585f RCX: 00007f0a47cf1587
[ 88.917250][ T5825] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe2693eb60
[ 88.925210][ T5825] RBP: 00007ffe2693eb60 R08: 0000000000000000 R09: 0000000000000000
[ 88.933170][ T5825] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe2693fbd0
[ 88.941145][ T5825] R13: 00005555731aa6c0 R14: 431bde82d7b634db R15: 00007ffe2693fbf0
[ 88.949110][ T5825] </TASK>
[ 88.952123][ T5825] Modules linked in:
[ 88.956014][ T5825] ---[ end trace 0000000000000000 ]---
[ 88.961456][ T5825] RIP: 0010:clear_inode+0x169/0x190
[ 88.966699][ T5825] 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
[ 88.986923][ T5825] RSP: 0018:ffffc9000421f870 EFLAGS: 00010093
[ 88.992992][ T5825] RAX: ffffffff82397a38 RBX: ffff888061303248 RCX: ffff88802c331e00
[ 89.000971][ T5825] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 89.008937][ T5825] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
[ 89.016912][ T5825] R10: dffffc0000000000 R11: fffff52000843eec R12: dffffc0000000000
[ 89.024896][ T5825] R13: dffffc0000000000 R14: ffff888061303470 R15: 0000000000000001
[ 89.032865][ T5825] FS: 00005555731a9380(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000
[ 89.041787][ T5825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 89.048363][ T5825] CR2: 00005555731b26f8 CR3: 00000000772a4000 CR4: 00000000003526f0
[ 89.056334][ T5825] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 89.064300][ T5825] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 89.072272][ T5825] Kernel panic - not syncing: Fatal exception
[ 89.078490][ T5825] Kernel Offset: disabled
[ 89.082810][ T5825] Rebooting in 86400 seconds..