./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2903504406
<...>
Warning: Permanently added '10.128.0.225' (ED25519) to the list of known hosts.
execve("./syz-executor2903504406", ["./syz-executor2903504406"], 0x7fffd49ae490 /* 10 vars */) = 0
brk(NULL) = 0x55557c108000
brk(0x55557c108d00) = 0x55557c108d00
arch_prctl(ARCH_SET_FS, 0x55557c108380) = 0
set_tid_address(0x55557c108650) = 5820
set_robust_list(0x55557c108660, 24) = 0
rseq(0x55557c108ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2903504406", 4096) = 28
getrandom("\xd9\x70\x65\x0d\x6b\x62\x1c\x5b", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55557c108d00
brk(0x55557c129d00) = 0x55557c129d00
brk(0x55557c12a000) = 0x55557c12a000
mprotect(0x7fd7c04d1000, 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, child_tidptr=0x55557c108650) = 5821
./strace-static-x86_64: Process 5821 attached
[pid 5821] set_robust_list(0x55557c108660, 24) = 0
[pid 5821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5821] setpgid(0, 0) = 0
[pid 5821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5821] write(3, "1000", 4) = 4
[pid 5821] close(3) = 0
[pid 5821] write(1, "executing program\n", 18executing program
) = 18
[pid 5821] memfd_create("syzkaller", 0) = 3
[pid 5821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd7b8000000
[pid 5821] 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"..., 1048576) = 1048576
[pid 5821] munmap(0x7fd7b8000000, 138412032) = 0
[pid 5821] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5821] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5821] close(3) = 0
[pid 5821] close(4) = 0
[pid 5821] mkdir("./file0", 0777) = 0
[ 60.581102][ T5821] loop0: detected capacity change from 0 to 2048
[pid 5821] mount("/dev/loop0", "./file0", "ext4", MS_RDONLY|MS_SYNCHRONOUS|MS_NODIRATIME|MS_REC|MS_I_VERSION, "bsddf,data_err=ignore,max_batch_time=0x0000000000000007,sysvgroups,,errors=continue") = 0
[pid 5821] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5821] chdir("./file0") = 0
[pid 5821] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5821] chdir("./file0") = 0
[ 60.629286][ T5821] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 ro without journal. Quota mode: none.
[ 60.676624][ T5821] ------------[ cut here ]------------
[ 60.682212][ T5821] bad length passed for symlink [/tmp/syz-imagegen1390833803@fil] (got 39, expected 32)
[ 60.682329][ T5821] WARNING: CPU: 0 PID: 5821 at ./include/linux/fs.h:803 inode_set_cached_link+0xd0/0x110
[ 60.702045][ T5821] Modules linked in:
[ 60.705953][ T5821] CPU: 0 UID: 0 PID: 5821 Comm: syz-executor290 Not tainted 6.14.0-rc1-syzkaller-00235-g9946eaf552b1 #0
[ 60.717089][ T5821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 60.727210][ T5821] RIP: 0010:inode_set_cached_link+0xd0/0x110
[ 60.733284][ T5821] Code: 41 5f 5d c3 cc cc cc cc e8 6d ff 46 ff c6 05 5a f0 8b 0d 01 90 48 c7 c7 20 be 1d 8c 4c 89 f6 44 89 fa 89 e9 e8 b1 a8 07 ff 90 <0f> 0b 90 90 e9 6a ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c a1 e8
[ 60.752947][ T5821] RSP: 0018:ffffc90003e4f938 EFLAGS: 00010246
[ 60.759031][ T5821] RAX: d3479cb006d53500 RBX: ffff888078c2d1f0 RCX: ffff88807d1a9e00
[ 60.767416][ T5821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 60.775461][ T5821] RBP: 0000000000000020 R08: ffffffff81800b32 R09: 1ffff110170c519a
[ 60.783480][ T5821] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff888078c2d1f0
[ 60.791456][ T5821] R13: dffffc0000000000 R14: ffff888078c2cf40 R15: 0000000000000027
[ 60.799481][ T5821] FS: 000055557c108380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 60.808440][ T5821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.815065][ T5821] CR2: 000056341cf845f0 CR3: 000000007b998000 CR4: 00000000003526f0
[ 60.823070][ T5821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 60.831033][ T5821] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 60.839071][ T5821] Call Trace:
[ 60.842379][ T5821]
[ 60.845295][ T5821] ? __warn+0x165/0x4d0
[ 60.849457][ T5821] ? inode_set_cached_link+0xd0/0x110
[ 60.854905][ T5821] ? report_bug+0x2b3/0x500
[ 60.859427][ T5821] ? inode_set_cached_link+0xd0/0x110
[ 60.864835][ T5821] ? handle_bug+0x60/0x90
[ 60.869176][ T5821] ? exc_invalid_op+0x1a/0x50
[ 60.873909][ T5821] ? asm_exc_invalid_op+0x1a/0x20
[ 60.878946][ T5821] ? __warn_printk+0x292/0x360
[ 60.883746][ T5821] ? inode_set_cached_link+0xd0/0x110
[ 60.889133][ T5821] ? inode_set_cached_link+0xcf/0x110
[ 60.894585][ T5821] __ext4_iget+0x2ea4/0x3f30
[ 60.899216][ T5821] ? __pfx___ext4_iget+0x10/0x10
[ 60.904214][ T5821] ? ext4_fname_free_filename+0x89/0xb0
[ 60.909778][ T5821] ? rcu_is_watching+0x15/0xb0
[ 60.914627][ T5821] ? ext4_fname_free_filename+0x89/0xb0
[ 60.920179][ T5821] ? kfree+0x4e/0x430
[ 60.924198][ T5821] ext4_lookup+0x3e3/0x750
[ 60.928622][ T5821] ? d_alloc+0x142/0x190
[ 60.932912][ T5821] ? do_raw_spin_lock+0x14f/0x370
[ 60.937942][ T5821] ? __pfx_ext4_lookup+0x10/0x10
[ 60.942936][ T5821] ? _raw_spin_unlock+0x28/0x50
[ 60.947792][ T5821] ? d_alloc+0x142/0x190
[ 60.952089][ T5821] lookup_one_qstr_excl+0x126/0x2b0
[ 60.957300][ T5821] filename_create+0x297/0x540
[ 60.962096][ T5821] ? __pfx_filename_create+0x10/0x10
[ 60.967385][ T5821] ? __might_fault+0xaa/0x120
[ 60.972123][ T5821] do_mkdirat+0xbd/0x3a0
[ 60.976370][ T5821] ? __check_object_size+0x47a/0x730
[ 60.981724][ T5821] ? __pfx_do_mkdirat+0x10/0x10
[ 60.986597][ T5821] ? getname_flags+0x1e3/0x540
[ 60.991348][ T5821] __x64_sys_mkdirat+0x87/0xa0
[ 60.996168][ T5821] do_syscall_64+0xf3/0x230
[ 61.000700][ T5821] ? clear_bhb_loop+0x35/0x90
[ 61.005421][ T5821] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 61.011321][ T5821] RIP: 0033:0x7fd7c045ce19
[ 61.015792][ T5821] 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
[ 61.035470][ T5821] RSP: 002b:00007ffc7631bee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 61.043952][ T5821] RAX: ffffffffffffffda RBX: 0000400000000340 RCX: 00007fd7c045ce19
[ 61.051983][ T5821] RDX: 0000000000000000 RSI: 0000400000000340 RDI: 00000000ffffff9c
[ 61.059964][ T5821] RBP: 0030656c69662f2e R08: 000055557c1094c0 R09: 000055557c1094c0
[ 61.068022][ T5821] R10: 00007ffc7631bdb0 R11: 0000000000000246 R12: 00007ffc7631bf10
[ 61.076052][ T5821] R13: 00007ffc7631c138 R14: 431bde82d7b634db R15: 00007fd7c04a603b
[ 61.084073][ T5821]
[ 61.087106][ T5821] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 61.094373][ T5821] CPU: 0 UID: 0 PID: 5821 Comm: syz-executor290 Not tainted 6.14.0-rc1-syzkaller-00235-g9946eaf552b1 #0
[ 61.105465][ T5821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 61.115510][ T5821] Call Trace:
[ 61.118778][ T5821]
[ 61.121701][ T5821] dump_stack_lvl+0x241/0x360
[ 61.126371][ T5821] ? __pfx_dump_stack_lvl+0x10/0x10
[ 61.131573][ T5821] ? __pfx__printk+0x10/0x10
[ 61.136152][ T5821] ? vscnprintf+0x5d/0x90
[ 61.140467][ T5821] panic+0x349/0x880
[ 61.144351][ T5821] ? __warn+0x174/0x4d0
[ 61.148490][ T5821] ? __pfx_panic+0x10/0x10
[ 61.152905][ T5821] __warn+0x344/0x4d0
[ 61.156872][ T5821] ? inode_set_cached_link+0xd0/0x110
[ 61.162232][ T5821] report_bug+0x2b3/0x500
[ 61.166542][ T5821] ? inode_set_cached_link+0xd0/0x110
[ 61.171899][ T5821] handle_bug+0x60/0x90
[ 61.176040][ T5821] exc_invalid_op+0x1a/0x50
[ 61.180528][ T5821] asm_exc_invalid_op+0x1a/0x20
[ 61.185365][ T5821] RIP: 0010:inode_set_cached_link+0xd0/0x110
[ 61.191330][ T5821] Code: 41 5f 5d c3 cc cc cc cc e8 6d ff 46 ff c6 05 5a f0 8b 0d 01 90 48 c7 c7 20 be 1d 8c 4c 89 f6 44 89 fa 89 e9 e8 b1 a8 07 ff 90 <0f> 0b 90 90 e9 6a ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c a1 e8
[ 61.210928][ T5821] RSP: 0018:ffffc90003e4f938 EFLAGS: 00010246
[ 61.216992][ T5821] RAX: d3479cb006d53500 RBX: ffff888078c2d1f0 RCX: ffff88807d1a9e00
[ 61.224953][ T5821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 61.232913][ T5821] RBP: 0000000000000020 R08: ffffffff81800b32 R09: 1ffff110170c519a
[ 61.240874][ T5821] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff888078c2d1f0
[ 61.248832][ T5821] R13: dffffc0000000000 R14: ffff888078c2cf40 R15: 0000000000000027
[ 61.256797][ T5821] ? __warn_printk+0x292/0x360
[ 61.261562][ T5821] ? inode_set_cached_link+0xcf/0x110
[ 61.266930][ T5821] __ext4_iget+0x2ea4/0x3f30
[ 61.271533][ T5821] ? __pfx___ext4_iget+0x10/0x10
[ 61.276461][ T5821] ? ext4_fname_free_filename+0x89/0xb0
[ 61.281998][ T5821] ? rcu_is_watching+0x15/0xb0
[ 61.286755][ T5821] ? ext4_fname_free_filename+0x89/0xb0
[ 61.292292][ T5821] ? kfree+0x4e/0x430
[ 61.296273][ T5821] ext4_lookup+0x3e3/0x750
[ 61.300678][ T5821] ? d_alloc+0x142/0x190
[ 61.304915][ T5821] ? do_raw_spin_lock+0x14f/0x370
[ 61.309927][ T5821] ? __pfx_ext4_lookup+0x10/0x10
[ 61.314864][ T5821] ? _raw_spin_unlock+0x28/0x50
[ 61.319707][ T5821] ? d_alloc+0x142/0x190
[ 61.323946][ T5821] lookup_one_qstr_excl+0x126/0x2b0
[ 61.329140][ T5821] filename_create+0x297/0x540
[ 61.333896][ T5821] ? __pfx_filename_create+0x10/0x10
[ 61.339169][ T5821] ? __might_fault+0xaa/0x120
[ 61.343865][ T5821] do_mkdirat+0xbd/0x3a0
[ 61.348111][ T5821] ? __check_object_size+0x47a/0x730
[ 61.353395][ T5821] ? __pfx_do_mkdirat+0x10/0x10
[ 61.358239][ T5821] ? getname_flags+0x1e3/0x540
[ 61.362999][ T5821] __x64_sys_mkdirat+0x87/0xa0
[ 61.367756][ T5821] do_syscall_64+0xf3/0x230
[ 61.372254][ T5821] ? clear_bhb_loop+0x35/0x90
[ 61.376929][ T5821] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 61.382826][ T5821] RIP: 0033:0x7fd7c045ce19
[ 61.387237][ T5821] 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
[ 61.406837][ T5821] RSP: 002b:00007ffc7631bee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 61.415246][ T5821] RAX: ffffffffffffffda RBX: 0000400000000340 RCX: 00007fd7c045ce19
[ 61.423215][ T5821] RDX: 0000000000000000 RSI: 0000400000000340 RDI: 00000000ffffff9c
[ 61.431179][ T5821] RBP: 0030656c69662f2e R08: 000055557c1094c0 R09: 000055557c1094c0
[ 61.439139][ T5821] R10: 00007ffc7631bdb0 R11: 0000000000000246 R12: 00007ffc7631bf10
[ 61.447098][ T5821] R13: 00007ffc7631c138 R14: 431bde82d7b634db R15: 00007fd7c04a603b
[ 61.455071][ T5821]
[ 61.458303][ T5821] Kernel Offset: disabled
[ 61.462646][ T5821] Rebooting in 86400 seconds..