./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4219388423
<...>
Warning: Permanently added '10.128.1.21' (ED25519) to the list of known hosts.
execve("./syz-executor4219388423", ["./syz-executor4219388423"], 0x7fffc4401e10 /* 10 vars */) = 0
brk(NULL) = 0x5555824d3000
brk(0x5555824d3d00) = 0x5555824d3d00
arch_prctl(ARCH_SET_FS, 0x5555824d3380) = 0
set_tid_address(0x5555824d3650) = 5820
set_robust_list(0x5555824d3660, 24) = 0
rseq(0x5555824d3ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4219388423", 4096) = 28
getrandom("\x60\x68\xc0\xb0\xf1\x43\x48\xe0", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555824d3d00
brk(0x5555824f4d00) = 0x5555824f4d00
brk(0x5555824f5000) = 0x5555824f5000
mprotect(0x7f1da1e9d000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
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 5822 attached
, child_tidptr=0x5555824d3650) = 5822
[pid 5822] set_robust_list(0x5555824d3660, 24) = 0
[pid 5822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5822] setpgid(0, 0) = 0
[pid 5822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5822] write(3, "1000", 4) = 4
[pid 5822] close(3) = 0
executing program
[pid 5822] write(1, "executing program\n", 18) = 18
[pid 5822] memfd_create("syzkaller", 0) = 3
[pid 5822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1d99800000
[pid 5822] 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"..., 262144) = 262144
[pid 5822] munmap(0x7f1d99800000, 138412032) = 0
[pid 5822] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5822] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5822] close(3) = 0
[pid 5822] close(4) = 0
[pid 5822] mkdir("./file0", 0777) = 0
[ 71.738190][ T5822] loop0: detected capacity change from 0 to 512
[ 71.781282][ T5822] =======================================================
[ 71.781282][ T5822] WARNING: The mand mount option has been deprecated and
[ 71.781282][ T5822] and is ignored by this kernel. Remove the mand
[ 71.781282][ T5822] option from the mount to silence this warning.
[ 71.781282][ T5822] =======================================================
[ 71.817872][ T5822] EXT4-fs (loop0): Test dummy encryption mode enabled
[pid 5822] mount("/dev/loop0", "./file0", "ext4", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_RELATIME, "minixdf,test_dummy_encryption=v1,stripe=0x0000000000000000,noblock_validity,debug_want_extra_isize=0"...) = 0
[pid 5822] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5822] chdir("./file0") = 0
[ 71.824745][ T5822] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support!
[ 71.837885][ T5822] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode
[ 71.854678][ T5822] EXT4-fs (loop0): 1 truncate cleaned up
[ 71.861433][ T5822] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[pid 5822] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5822] chdir("./file0") = 0
[ 71.920326][ T5822] ------------[ cut here ]------------
[ 71.925996][ T5822] bad length passed for symlink [/tmp/syz-imagegen2884317625/] (got 39, expected 29)
[ 71.926179][ T5822] WARNING: CPU: 0 PID: 5822 at ./include/linux/fs.h:803 inode_set_cached_link+0xd0/0x110
[ 71.945940][ T5822] Modules linked in:
[ 71.950069][ T5822] CPU: 0 UID: 0 PID: 5822 Comm: syz-executor421 Not tainted 6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
[ 71.961341][ T5822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 71.971789][ T5822] RIP: 0010:inode_set_cached_link+0xd0/0x110
[ 71.978089][ T5822] Code: 41 5f 5d c3 cc cc cc cc e8 0d 4f 45 ff c6 05 6f 6e a9 0d 01 90 48 c7 c7 20 c9 3d 8c 4c 89 f6 44 89 fa 89 e9 e8 01 0c 05 ff 90 <0f> 0b 90 90 e9 6a ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c a1 e8
[ 71.998399][ T5822] RSP: 0018:ffffc90003f5f598 EFLAGS: 00010246
[ 72.004647][ T5822] RAX: 1dd5faaf0e8a0c00 RBX: ffff88807887c808 RCX: ffff88802dd5bc00
[ 72.013017][ T5822] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 72.021139][ T5822] RBP: 000000000000001d R08: ffffffff81817d42 R09: 1ffff110170c519a
[ 72.029318][ T5822] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88807887c808
[ 72.037909][ T5822] R13: dffffc0000000000 R14: ffff88807887c558 R15: 0000000000000027
[ 72.046247][ T5822] FS: 00005555824d3380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 72.055510][ T5822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 72.062272][ T5822] CR2: 00007f5464d95ed8 CR3: 0000000075b40000 CR4: 00000000003526f0
[ 72.070485][ T5822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 72.078728][ T5822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 72.086861][ T5822] Call Trace:
[ 72.090224][ T5822]
[ 72.093211][ T5822] ? __warn+0x165/0x4d0
[ 72.097462][ T5822] ? inode_set_cached_link+0xd0/0x110
[ 72.103123][ T5822] ? report_bug+0x2b3/0x500
[ 72.107923][ T5822] ? inode_set_cached_link+0xd0/0x110
[ 72.114845][ T5822] ? handle_bug+0x60/0x90
[ 72.121613][ T5822] ? exc_invalid_op+0x1a/0x50
[ 72.126644][ T5822] ? asm_exc_invalid_op+0x1a/0x20
[ 72.131746][ T5822] ? __warn_printk+0x292/0x360
[ 72.136615][ T5822] ? inode_set_cached_link+0xd0/0x110
[ 72.142024][ T5822] ? inode_set_cached_link+0xcf/0x110
[ 72.147484][ T5822] __ext4_iget+0x2ea4/0x3f30
[ 72.152890][ T5822] ? __pfx_lock_release+0x10/0x10
[ 72.158064][ T5822] ? __pfx___ext4_iget+0x10/0x10
[ 72.163137][ T5822] ? ext4_fname_free_filename+0x89/0xb0
[ 72.169353][ T5822] ? rcu_is_watching+0x15/0xb0
[ 72.174247][ T5822] ? ext4_fname_free_filename+0x89/0xb0
[ 72.179939][ T5822] ? kfree+0x4e/0x430
[ 72.183971][ T5822] ext4_lookup+0x3e3/0x750
[ 72.188492][ T5822] ? __pfx_ext4_lookup+0x10/0x10
[ 72.193731][ T5822] ? bpf_lsm_inode_create+0x9/0x10
[ 72.198937][ T5822] ? security_inode_create+0xbe/0x340
[ 72.204367][ T5822] ? __pfx_ext4_lookup+0x10/0x10
[ 72.210235][ T5822] path_openat+0x11b4/0x3590
[ 72.215659][ T5822] ? __pfx_path_openat+0x10/0x10
[ 72.220773][ T5822] do_filp_open+0x27f/0x4e0
[ 72.225396][ T5822] ? __pfx_do_filp_open+0x10/0x10
[ 72.230935][ T5822] ? do_raw_spin_lock+0x14f/0x370
[ 72.236022][ T5822] do_sys_openat2+0x13e/0x1d0
[ 72.240897][ T5822] ? __pfx_do_sys_openat2+0x10/0x10
[ 72.246435][ T5822] ? _raw_spin_unlock_irq+0x2e/0x50
[ 72.251813][ T5822] ? ptrace_notify+0x27f/0x380
[ 72.256677][ T5822] __x64_sys_openat+0x247/0x2a0
[ 72.261577][ T5822] ? __pfx___x64_sys_openat+0x10/0x10
[ 72.267036][ T5822] ? do_syscall_64+0x100/0x230
[ 72.271886][ T5822] do_syscall_64+0xf3/0x230
[ 72.276495][ T5822] ? clear_bhb_loop+0x35/0x90
[ 72.281323][ T5822] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.287389][ T5822] RIP: 0033:0x7f1da1e28e19
[ 72.291928][ T5822] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 72.312491][ T5822] RSP: 002b:00007ffc6de8b418 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 72.321154][ T5822] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f1da1e28e19
[ 72.329246][ T5822] RDX: 0000000000000042 RSI: 0000400000000040 RDI: 00000000ffffff9c
[ 72.337403][ T5822] RBP: 00007f1da1e72095 R08: 00005555824d44c0 R09: 00005555824d44c0
[ 72.345585][ T5822] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6de8b440
[ 72.353856][ T5822] R13: 00007ffc6de8b668 R14: 431bde82d7b634db R15: 00007f1da1e7203b
[ 72.362081][ T5822]
[ 72.365233][ T5822] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 72.373019][ T5822] CPU: 0 UID: 0 PID: 5822 Comm: syz-executor421 Not tainted 6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
[ 72.384221][ T5822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 72.394393][ T5822] Call Trace:
[ 72.397773][ T5822]
[ 72.400801][ T5822] dump_stack_lvl+0x241/0x360
[ 72.405667][ T5822] ? __pfx_dump_stack_lvl+0x10/0x10
[ 72.410951][ T5822] ? __pfx__printk+0x10/0x10
[ 72.415570][ T5822] ? vscnprintf+0x5d/0x90
[ 72.420004][ T5822] panic+0x349/0x880
[ 72.423960][ T5822] ? __warn+0x174/0x4d0
[ 72.428257][ T5822] ? __pfx_panic+0x10/0x10
[ 72.432789][ T5822] __warn+0x344/0x4d0
[ 72.436789][ T5822] ? inode_set_cached_link+0xd0/0x110
[ 72.442210][ T5822] report_bug+0x2b3/0x500
[ 72.446557][ T5822] ? inode_set_cached_link+0xd0/0x110
[ 72.451966][ T5822] handle_bug+0x60/0x90
[ 72.456133][ T5822] exc_invalid_op+0x1a/0x50
[ 72.460729][ T5822] asm_exc_invalid_op+0x1a/0x20
[ 72.465611][ T5822] RIP: 0010:inode_set_cached_link+0xd0/0x110
[ 72.471693][ T5822] Code: 41 5f 5d c3 cc cc cc cc e8 0d 4f 45 ff c6 05 6f 6e a9 0d 01 90 48 c7 c7 20 c9 3d 8c 4c 89 f6 44 89 fa 89 e9 e8 01 0c 05 ff 90 <0f> 0b 90 90 e9 6a ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c a1 e8
[ 72.491316][ T5822] RSP: 0018:ffffc90003f5f598 EFLAGS: 00010246
[ 72.497388][ T5822] RAX: 1dd5faaf0e8a0c00 RBX: ffff88807887c808 RCX: ffff88802dd5bc00
[ 72.505386][ T5822] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 72.513465][ T5822] RBP: 000000000000001d R08: ffffffff81817d42 R09: 1ffff110170c519a
[ 72.521632][ T5822] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88807887c808
[ 72.529702][ T5822] R13: dffffc0000000000 R14: ffff88807887c558 R15: 0000000000000027
[ 72.537778][ T5822] ? __warn_printk+0x292/0x360
[ 72.542551][ T5822] ? inode_set_cached_link+0xcf/0x110
[ 72.548010][ T5822] __ext4_iget+0x2ea4/0x3f30
[ 72.552630][ T5822] ? __pfx_lock_release+0x10/0x10
[ 72.557665][ T5822] ? __pfx___ext4_iget+0x10/0x10
[ 72.562619][ T5822] ? ext4_fname_free_filename+0x89/0xb0
[ 72.568211][ T5822] ? rcu_is_watching+0x15/0xb0
[ 72.572981][ T5822] ? ext4_fname_free_filename+0x89/0xb0
[ 72.578702][ T5822] ? kfree+0x4e/0x430
[ 72.582691][ T5822] ext4_lookup+0x3e3/0x750
[ 72.587123][ T5822] ? __pfx_ext4_lookup+0x10/0x10
[ 72.592085][ T5822] ? bpf_lsm_inode_create+0x9/0x10
[ 72.597210][ T5822] ? security_inode_create+0xbe/0x340
[ 72.602626][ T5822] ? __pfx_ext4_lookup+0x10/0x10
[ 72.607576][ T5822] path_openat+0x11b4/0x3590
[ 72.612215][ T5822] ? __pfx_path_openat+0x10/0x10
[ 72.617184][ T5822] do_filp_open+0x27f/0x4e0
[ 72.621718][ T5822] ? __pfx_do_filp_open+0x10/0x10
[ 72.627019][ T5822] ? do_raw_spin_lock+0x14f/0x370
[ 72.632082][ T5822] do_sys_openat2+0x13e/0x1d0
[ 72.636785][ T5822] ? __pfx_do_sys_openat2+0x10/0x10
[ 72.642012][ T5822] ? _raw_spin_unlock_irq+0x2e/0x50
[ 72.647320][ T5822] ? ptrace_notify+0x27f/0x380
[ 72.652110][ T5822] __x64_sys_openat+0x247/0x2a0
[ 72.657283][ T5822] ? __pfx___x64_sys_openat+0x10/0x10
[ 72.663065][ T5822] ? do_syscall_64+0x100/0x230
[ 72.668033][ T5822] do_syscall_64+0xf3/0x230
[ 72.672677][ T5822] ? clear_bhb_loop+0x35/0x90
[ 72.677400][ T5822] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.683401][ T5822] RIP: 0033:0x7f1da1e28e19
[ 72.687820][ T5822] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 72.707528][ T5822] RSP: 002b:00007ffc6de8b418 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 72.716040][ T5822] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f1da1e28e19
[ 72.724041][ T5822] RDX: 0000000000000042 RSI: 0000400000000040 RDI: 00000000ffffff9c
[ 72.732480][ T5822] RBP: 00007f1da1e72095 R08: 00005555824d44c0 R09: 00005555824d44c0
[ 72.740461][ T5822] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6de8b440
[ 72.748547][ T5822] R13: 00007ffc6de8b668 R14: 431bde82d7b634db R15: 00007f1da1e7203b
[ 72.756717][ T5822]
[ 72.760017][ T5822] Kernel Offset: disabled
[ 72.764375][ T5822] Rebooting in 86400 seconds..