./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor547394410 <...> Warning: Permanently added '10.128.0.76' (ED25519) to the list of known hosts. execve("./syz-executor547394410", ["./syz-executor547394410"], 0x7ffcf09990e0 /* 10 vars */) = 0 brk(NULL) = 0x555573e28000 brk(0x555573e28d00) = 0x555573e28d00 arch_prctl(ARCH_SET_FS, 0x555573e28380) = 0 set_tid_address(0x555573e28650) = 5823 set_robust_list(0x555573e28660, 24) = 0 rseq(0x555573e28ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor547394410", 4096) = 27 getrandom("\x01\x64\xd2\x13\x37\x63\xfb\xa3", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555573e28d00 brk(0x555573e49d00) = 0x555573e49d00 brk(0x555573e4a000) = 0x555573e4a000 mprotect(0x7f0c6cf3d000, 16384, PROT_READ) = 0 executing program 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 write(1, "executing program\n", 18) = 18 bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_HASH, key_size=4, value_size=8, max_entries=2, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 3 [ 88.997925][ T5823] VFS_BUG_ON_INODE(1) encountered for inode ffff88802288b758 [ 88.998160][ T5823] ------------[ cut here ]------------ [ 89.011075][ T5823] kernel BUG at fs/namei.c:3467! [ 89.016214][ T5823] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 89.022638][ T5823] CPU: 0 UID: 0 PID: 5823 Comm: syz-executor547 Not tainted 6.15.0-rc4-syzkaller-00291-g2a239ffbebb5 #0 PREEMPT(full) [ 89.035035][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025 [ 89.045076][ T5823] RIP: 0010:may_open+0x462/0x470 [ 89.050020][ T5823] Code: 38 c1 0f 8c 9b fe ff ff 4c 89 ff e8 08 6e ec ff e9 8e fe ff ff e8 5e 79 8a ff 4c 89 f7 48 c7 c6 40 17 79 8b e8 2f d3 f2 fe 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 [ 89.069636][ T5823] RSP: 0018:ffffc90003d5f940 EFLAGS: 00010246 [ 89.075709][ T5823] RAX: 000000000000003a RBX: dffffc0000000000 RCX: 476cdd8cd83fc500 [ 89.083674][ T5823] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 89.091639][ T5823] RBP: ffffffff8e099260 R08: ffffc90003d5f627 R09: 1ffff920007abec4 [ 89.099605][ T5823] R10: dffffc0000000000 R11: fffff520007abec5 R12: ffffc90003d5fc20 [ 89.107602][ T5823] R13: 00000000000fffff R14: ffff88802288b758 R15: 0000000000000006 [ 89.115655][ T5823] FS: 0000555573e28380(0000) GS:ffff8881260cb000(0000) knlGS:0000000000000000 [ 89.124577][ T5823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.131164][ T5823] CR2: 00002000000009c0 CR3: 000000007e636000 CR4: 0000000000350ef0 [ 89.139132][ T5823] Call Trace: [ 89.142416][ T5823] [ 89.145346][ T5823] path_openat+0x2d91/0x3830 [ 89.149926][ T5823] ? arch_stack_walk+0xfc/0x150 [ 89.154784][ T5823] ? __pfx_path_openat+0x10/0x10 [ 89.159707][ T5823] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.165773][ T5823] do_filp_open+0x1fa/0x410 [ 89.170265][ T5823] ? __pfx_do_filp_open+0x10/0x10 [ 89.175292][ T5823] ? _raw_spin_unlock+0x28/0x50 [ 89.180145][ T5823] ? srso_alias_return_thunk+0x5/0xfbef5 [ 89.185800][ T5823] ? alloc_fd+0x64c/0x6c0 [ 89.190144][ T5823] do_sys_openat2+0x121/0x1c0 [ 89.194834][ T5823] ? __pfx_do_sys_openat2+0x10/0x10 [ 89.200041][ T5823] ? rcu_is_watching+0x15/0xb0 [ 89.204822][ T5823] __x64_sys_openat+0x138/0x170 [ 89.209705][ T5823] do_syscall_64+0xf6/0x210 [ 89.214215][ T5823] ? srso_alias_return_thunk+0x5/0xfbef5 [ 89.219853][ T5823] ? exc_page_fault+0x91/0x110 [ 89.224629][ T5823] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.230519][ T5823] RIP: 0033:0x7f0c6cec97e1 [ 89.234928][ T5823] Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d 8a 88 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 [ 89.254534][ T5823] RSP: 002b:00007ffd1c9eadb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 89.262946][ T5823] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0c6cec97e1 [ 89.270910][ T5823] RDX: 0000000000000002 RSI: 00007ffd1c9eae30 RDI: 00000000ffffff9c [ 89.278873][ T5823] RBP: 00007ffd1c9eae30 R08: 0000000000000000 R09: 0000000000000000 [ 89.286833][ T5823] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 89.294795][ T5823] R13: 00007ffd1c9eb068 R14: 0000000000000001 R15: 0000000000000001 [ 89.302761][ T5823] [ 89.305764][ T5823] Modules linked in: [ 89.309985][ T5823] ---[ end trace 0000000000000000 ]--- [ 89.315635][ T5823] RIP: 0010:may_open+0x462/0x470 [ 89.320588][ T5823] Code: 38 c1 0f 8c 9b fe ff ff 4c 89 ff e8 08 6e ec ff e9 8e fe ff ff e8 5e 79 8a ff 4c 89 f7 48 c7 c6 40 17 79 8b e8 2f d3 f2 fe 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 [ 89.340246][ T5823] RSP: 0018:ffffc90003d5f940 EFLAGS: 00010246 [ 89.346410][ T5823] RAX: 000000000000003a RBX: dffffc0000000000 RCX: 476cdd8cd83fc500 [ 89.354444][ T5823] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 89.362480][ T5823] RBP: ffffffff8e099260 R08: ffffc90003d5f627 R09: 1ffff920007abec4 [ 89.370493][ T5823] R10: dffffc0000000000 R11: fffff520007abec5 R12: ffffc90003d5fc20 [ 89.378533][ T5823] R13: 00000000000fffff R14: ffff88802288b758 R15: 0000000000000006 [ 89.386578][ T5823] FS: 0000555573e28380(0000) GS:ffff8881260cb000(0000) knlGS:0000000000000000 [ 89.395567][ T5823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.402191][ T5823] CR2: 00002000000009c0 CR3: 000000007e636000 CR4: 0000000000350ef0 [ 89.410243][ T5823] Kernel panic - not syncing: Fatal exception [ 89.416576][ T5823] Kernel Offset: disabled [ 89.420914][ T5823] Rebooting in 86400 seconds..