./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor252216538 <...> Warning: Permanently added '10.128.1.140' (ED25519) to the list of known hosts. execve("./syz-executor252216538", ["./syz-executor252216538"], 0x7ffceb5c2ee0 /* 10 vars */) = 0 brk(NULL) = 0x55555a374000 brk(0x55555a374d00) = 0x55555a374d00 arch_prctl(ARCH_SET_FS, 0x55555a374380) = 0 set_tid_address(0x55555a374650) = 5066 set_robust_list(0x55555a374660, 24) = 0 rseq(0x55555a374ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor252216538", 4096) = 27 getrandom("\xc6\x61\xb9\x78\xa1\xe5\xe6\xbb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555a374d00 brk(0x55555a395d00) = 0x55555a395d00 brk(0x55555a396000) = 0x55555a396000 mprotect(0x7f7c10b43000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a374650) = 5067 ./strace-static-x86_64: Process 5067 attached [pid 5067] set_robust_list(0x55555a374660, 24) = 0 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setpgid(0, 0) = 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1000", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 5067] write(3, "13", 2) = 2 [ 57.220561][ T5067] FAULT_INJECTION: forcing a failure. [ 57.220561][ T5067] name failslab, interval 1, probability 0, space 0, times 1 [ 57.233266][ T5067] CPU: 0 PID: 5067 Comm: syz-executor252 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0 [ 57.243346][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 57.253394][ T5067] Call Trace: [ 57.256672][ T5067] [ 57.259590][ T5067] dump_stack_lvl+0x1e7/0x2e0 [ 57.264283][ T5067] ? __pfx_dump_stack_lvl+0x10/0x10 [ 57.269473][ T5067] ? __pfx__printk+0x10/0x10 [ 57.274057][ T5067] ? __asan_memset+0x23/0x50 [ 57.278635][ T5067] ? lockdep_init_map_type+0xa1/0x910 [ 57.283997][ T5067] should_fail_ex+0x3b0/0x4e0 [ 57.288658][ T5067] ? new_inode_pseudo+0x8b/0x1e0 [ 57.293590][ T5067] should_failslab+0x9/0x20 [ 57.298084][ T5067] kmem_cache_alloc_lru+0x7a/0x350 [ 57.303192][ T5067] new_inode_pseudo+0x8b/0x1e0 [ 57.307956][ T5067] path_from_stashed+0x489/0xb00 [ 57.312884][ T5067] ? path_from_stashed+0x150/0xb00 [ 57.317985][ T5067] ? __pfx_path_from_stashed+0x10/0x10 [ 57.323440][ T5067] ? _raw_spin_unlock+0x28/0x50 [ 57.328298][ T5067] proc_ns_get_link+0xf9/0x230 [ 57.333047][ T5067] ? __pfx_proc_ns_get_link+0x10/0x10 [ 57.338408][ T5067] ? bpf_lsm_inode_follow_link+0x9/0x10 [ 57.343947][ T5067] ? security_inode_follow_link+0xc2/0x110 [ 57.349743][ T5067] ? __pfx_proc_ns_get_link+0x10/0x10 [ 57.355100][ T5067] pick_link+0x631/0xd50 [ 57.359339][ T5067] step_into+0xca9/0x1080 [ 57.363667][ T5067] ? __pfx_step_into+0x10/0x10 [ 57.368421][ T5067] ? proc_ns_dir_lookup+0x34f/0x3a0 [ 57.373617][ T5067] path_openat+0x18b0/0x3240 [ 57.378208][ T5067] ? __pfx_path_openat+0x10/0x10 [ 57.383139][ T5067] do_filp_open+0x235/0x490 [ 57.387632][ T5067] ? __pfx_do_filp_open+0x10/0x10 [ 57.392649][ T5067] ? _raw_spin_unlock+0x28/0x50 [ 57.397488][ T5067] ? alloc_fd+0x59d/0x640 [ 57.401808][ T5067] do_sys_openat2+0x13e/0x1d0 [ 57.406488][ T5067] ? __pfx_do_sys_openat2+0x10/0x10 [ 57.411693][ T5067] ? lockdep_hardirqs_on+0x99/0x150 [ 57.416889][ T5067] ? _raw_spin_unlock_irq+0x2e/0x50 [ 57.422084][ T5067] ? ptrace_notify+0x279/0x380 [ 57.426849][ T5067] __x64_sys_openat+0x247/0x2a0 [ 57.431700][ T5067] ? __pfx___x64_sys_openat+0x10/0x10 [ 57.437067][ T5067] ? do_syscall_64+0x10a/0x240 [ 57.441831][ T5067] ? syscall_trace_enter+0x5f/0x150 [ 57.447038][ T5067] do_syscall_64+0xfb/0x240 [ 57.451533][ T5067] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 57.457416][ T5067] RIP: 0033:0x7f7c10aceda1 [ 57.461820][ T5067] Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d ca 92 07 00 00 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25 [ 57.481425][ T5067] RSP: 002b:00007ffd101728a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 57.489837][ T5067] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7c10aceda1 [ 57.497796][ T5067] RDX: 0000000000000002 RSI: 00007ffd10172950 RDI: 00000000ffffff9c [ 57.505757][ T5067] RBP: 00007ffd10172950 R08: 0000000000000000 R09: 0000000000000000 [ 57.513807][ T5067] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 57.521764][ T5067] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 57.529738][ T5067] [ 57.533009][ T5067] ------------[ cut here ]------------ [ 57.539068][ T5067] WARNING: CPU: 0 PID: 5067 at fs/libfs.c:2117 stashed_dentry_prune+0x97/0xa0 [ 57.547963][ T5067] Modules linked in: [ 57.551850][ T5067] CPU: 0 PID: 5067 Comm: syz-executor252 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0 [ 57.561940][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 57.572025][ T5067] RIP: 0010:stashed_dentry_prune+0x97/0xa0 [ 57.577864][ T5067] Code: 00 00 e8 ac c1 e2 ff 31 c9 4c 89 f0 f0 49 0f b1 0f eb 05 e8 7b 77 7f ff 5b 41 5c 41 5e 41 5f c3 cc cc cc cc e8 6a 77 7f ff 90 <0f> 0b 90 eb e9 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 57.597544][ T5067] RSP: 0018:ffffc9000394f4c8 EFLAGS: 00010293 [ 57.603647][ T5067] RAX: ffffffff82157906 RBX: ffff888075d4b588 RCX: ffff8880221c1e00 [ 57.611624][ T5067] RDX: 0000000000000000 RSI: 0000000000000010 RDI: ffff888075d4b490 [ 57.619627][ T5067] RBP: 0000000000000001 R08: ffffffff820fa354 R09: 1ffff1100eba96a5 [ 57.627628][ T5067] R10: dffffc0000000000 R11: ffffffff82157870 R12: dffffc0000000000 [ 57.635627][ T5067] R13: dffffc0000000000 R14: ffff888075d4b490 R15: 0000000000000000 [ 57.643652][ T5067] FS: 000055555a374380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 57.652594][ T5067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.659728][ T5067] CR2: 00007f7c10b02c00 CR3: 0000000011176000 CR4: 00000000003506f0 [ 57.667757][ T5067] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.675788][ T5067] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.683797][ T5067] Call Trace: [ 57.687081][ T5067] [ 57.690003][ T5067] ? __warn+0x163/0x4b0 [ 57.694211][ T5067] ? stashed_dentry_prune+0x97/0xa0 [ 57.699423][ T5067] ? report_bug+0x2b3/0x500 [ 57.703965][ T5067] ? stashed_dentry_prune+0x97/0xa0 [ 57.709182][ T5067] ? handle_bug+0x3e/0x70 [ 57.713566][ T5067] ? exc_invalid_op+0x1a/0x50 [ 57.718264][ T5067] ? asm_exc_invalid_op+0x1a/0x20 [ 57.723310][ T5067] ? __pfx_stashed_dentry_prune+0x10/0x10 [ 57.729065][ T5067] ? __dentry_kill+0x54/0x630 [ 57.733777][ T5067] ? stashed_dentry_prune+0x96/0xa0 [ 57.738968][ T5067] ? stashed_dentry_prune+0x97/0xa0 [ 57.744199][ T5067] ? stashed_dentry_prune+0x96/0xa0 [ 57.749407][ T5067] __dentry_kill+0xa9/0x630 [ 57.753954][ T5067] ? dput+0x37/0x2b0 [ 57.757866][ T5067] dput+0x19f/0x2b0 [ 57.761662][ T5067] path_from_stashed+0x695/0xb00 [ 57.766637][ T5067] ? path_from_stashed+0x150/0xb00 [ 57.771757][ T5067] ? __pfx_path_from_stashed+0x10/0x10 [ 57.777332][ T5067] ? _raw_spin_unlock+0x28/0x50 [ 57.782197][ T5067] proc_ns_get_link+0xf9/0x230 [ 57.787007][ T5067] ? __pfx_proc_ns_get_link+0x10/0x10 [ 57.792392][ T5067] ? bpf_lsm_inode_follow_link+0x9/0x10 [ 57.797989][ T5067] ? security_inode_follow_link+0xc2/0x110 [ 57.803838][ T5067] ? __pfx_proc_ns_get_link+0x10/0x10 [ 57.809230][ T5067] pick_link+0x631/0xd50 [ 57.813549][ T5067] step_into+0xca9/0x1080 [ 57.817915][ T5067] ? __pfx_step_into+0x10/0x10 [ 57.822692][ T5067] ? proc_ns_dir_lookup+0x34f/0x3a0 [ 57.827964][ T5067] path_openat+0x18b0/0x3240 [ 57.832585][ T5067] ? __pfx_path_openat+0x10/0x10 [ 57.837583][ T5067] do_filp_open+0x235/0x490 [ 57.842097][ T5067] ? __pfx_do_filp_open+0x10/0x10 [ 57.847172][ T5067] ? _raw_spin_unlock+0x28/0x50 [ 57.852032][ T5067] ? alloc_fd+0x59d/0x640 [ 57.856405][ T5067] do_sys_openat2+0x13e/0x1d0 [ 57.861099][ T5067] ? __pfx_do_sys_openat2+0x10/0x10 [ 57.866334][ T5067] ? lockdep_hardirqs_on+0x99/0x150 [ 57.871544][ T5067] ? _raw_spin_unlock_irq+0x2e/0x50 [ 57.876776][ T5067] ? ptrace_notify+0x279/0x380 [ 57.881556][ T5067] __x64_sys_openat+0x247/0x2a0 [ 57.886445][ T5067] ? __pfx___x64_sys_openat+0x10/0x10 [ 57.891833][ T5067] ? do_syscall_64+0x10a/0x240 [ 57.896641][ T5067] ? syscall_trace_enter+0x5f/0x150 [ 57.901847][ T5067] do_syscall_64+0xfb/0x240 [ 57.906387][ T5067] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 57.912298][ T5067] RIP: 0033:0x7f7c10aceda1 [ 57.916745][ T5067] Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d ca 92 07 00 00 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25 [ 57.936414][ T5067] RSP: 002b:00007ffd101728a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 57.944888][ T5067] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7c10aceda1 [ 57.952871][ T5067] RDX: 0000000000000002 RSI: 00007ffd10172950 RDI: 00000000ffffff9c [ 57.960903][ T5067] RBP: 00007ffd10172950 R08: 0000000000000000 R09: 0000000000000000 [ 57.968920][ T5067] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 57.976947][ T5067] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 57.984963][ T5067] [ 57.987975][ T5067] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 57.995239][ T5067] CPU: 0 PID: 5067 Comm: syz-executor252 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0 [ 58.005311][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 58.015360][ T5067] Call Trace: [ 58.018633][ T5067] [ 58.021549][ T5067] dump_stack_lvl+0x1e7/0x2e0 [ 58.026224][ T5067] ? __pfx_dump_stack_lvl+0x10/0x10 [ 58.031414][ T5067] ? __pfx__printk+0x10/0x10 [ 58.036001][ T5067] ? vscnprintf+0x5d/0x90 [ 58.040322][ T5067] panic+0x349/0x860 [ 58.044214][ T5067] ? __warn+0x172/0x4b0 [ 58.048358][ T5067] ? __pfx_panic+0x10/0x10 [ 58.052786][ T5067] __warn+0x31e/0x4b0 [ 58.056774][ T5067] ? stashed_dentry_prune+0x97/0xa0 [ 58.061958][ T5067] report_bug+0x2b3/0x500 [ 58.066278][ T5067] ? stashed_dentry_prune+0x97/0xa0 [ 58.071466][ T5067] handle_bug+0x3e/0x70 [ 58.075611][ T5067] exc_invalid_op+0x1a/0x50 [ 58.080114][ T5067] asm_exc_invalid_op+0x1a/0x20 [ 58.084963][ T5067] RIP: 0010:stashed_dentry_prune+0x97/0xa0 [ 58.090764][ T5067] Code: 00 00 e8 ac c1 e2 ff 31 c9 4c 89 f0 f0 49 0f b1 0f eb 05 e8 7b 77 7f ff 5b 41 5c 41 5e 41 5f c3 cc cc cc cc e8 6a 77 7f ff 90 <0f> 0b 90 eb e9 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 58.110360][ T5067] RSP: 0018:ffffc9000394f4c8 EFLAGS: 00010293 [ 58.116452][ T5067] RAX: ffffffff82157906 RBX: ffff888075d4b588 RCX: ffff8880221c1e00 [ 58.124418][ T5067] RDX: 0000000000000000 RSI: 0000000000000010 RDI: ffff888075d4b490 [ 58.132378][ T5067] RBP: 0000000000000001 R08: ffffffff820fa354 R09: 1ffff1100eba96a5 [ 58.140340][ T5067] R10: dffffc0000000000 R11: ffffffff82157870 R12: dffffc0000000000 [ 58.148300][ T5067] R13: dffffc0000000000 R14: ffff888075d4b490 R15: 0000000000000000 [ 58.156269][ T5067] ? __pfx_stashed_dentry_prune+0x10/0x10 [ 58.161985][ T5067] ? __dentry_kill+0x54/0x630 [ 58.166656][ T5067] ? stashed_dentry_prune+0x96/0xa0 [ 58.171851][ T5067] ? stashed_dentry_prune+0x96/0xa0 [ 58.177039][ T5067] __dentry_kill+0xa9/0x630 [ 58.181538][ T5067] ? dput+0x37/0x2b0 [ 58.185427][ T5067] dput+0x19f/0x2b0 [ 58.189232][ T5067] path_from_stashed+0x695/0xb00 [ 58.194166][ T5067] ? path_from_stashed+0x150/0xb00 [ 58.199271][ T5067] ? __pfx_path_from_stashed+0x10/0x10 [ 58.204721][ T5067] ? _raw_spin_unlock+0x28/0x50 [ 58.209569][ T5067] proc_ns_get_link+0xf9/0x230 [ 58.214324][ T5067] ? __pfx_proc_ns_get_link+0x10/0x10 [ 58.219683][ T5067] ? bpf_lsm_inode_follow_link+0x9/0x10 [ 58.225219][ T5067] ? security_inode_follow_link+0xc2/0x110 [ 58.231018][ T5067] ? __pfx_proc_ns_get_link+0x10/0x10 [ 58.236390][ T5067] pick_link+0x631/0xd50 [ 58.240636][ T5067] step_into+0xca9/0x1080 [ 58.244974][ T5067] ? __pfx_step_into+0x10/0x10 [ 58.249755][ T5067] ? proc_ns_dir_lookup+0x34f/0x3a0 [ 58.254955][ T5067] path_openat+0x18b0/0x3240 [ 58.259554][ T5067] ? __pfx_path_openat+0x10/0x10 [ 58.264494][ T5067] do_filp_open+0x235/0x490 [ 58.268990][ T5067] ? __pfx_do_filp_open+0x10/0x10 [ 58.274019][ T5067] ? _raw_spin_unlock+0x28/0x50 [ 58.278860][ T5067] ? alloc_fd+0x59d/0x640 [ 58.283186][ T5067] do_sys_openat2+0x13e/0x1d0 [ 58.287859][ T5067] ? __pfx_do_sys_openat2+0x10/0x10 [ 58.293053][ T5067] ? lockdep_hardirqs_on+0x99/0x150 [ 58.298248][ T5067] ? _raw_spin_unlock_irq+0x2e/0x50 [ 58.303442][ T5067] ? ptrace_notify+0x279/0x380 [ 58.308207][ T5067] __x64_sys_openat+0x247/0x2a0 [ 58.313051][ T5067] ? __pfx___x64_sys_openat+0x10/0x10 [ 58.318422][ T5067] ? do_syscall_64+0x10a/0x240 [ 58.323192][ T5067] ? syscall_trace_enter+0x5f/0x150 [ 58.328386][ T5067] do_syscall_64+0xfb/0x240 [ 58.332886][ T5067] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 58.338780][ T5067] RIP: 0033:0x7f7c10aceda1 [ 58.343190][ T5067] Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d ca 92 07 00 00 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25 [ 58.362798][ T5067] RSP: 002b:00007ffd101728a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 58.371230][ T5067] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7c10aceda1 [ 58.379224][ T5067] RDX: 0000000000000002 RSI: 00007ffd10172950 RDI: 00000000ffffff9c [ 58.387200][ T5067] RBP: 00007ffd10172950 R08: 0000000000000000 R09: 0000000000000000 [ 58.395165][ T5067] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 58.403128][ T5067] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 58.411101][ T5067] [ 58.414295][ T5067] Kernel Offset: disabled [ 58.418895][ T5067] Rebooting in 86400 seconds..