./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3297718557 <...> Warning: Permanently added '10.128.1.116' (ED25519) to the list of known hosts. execve("./syz-executor3297718557", ["./syz-executor3297718557"], 0x7ffc55dbab90 /* 10 vars */) = 0 brk(NULL) = 0x555582428000 brk(0x555582428d00) = 0x555582428d00 arch_prctl(ARCH_SET_FS, 0x555582428380) = 0 set_tid_address(0x555582428650) = 5828 set_robust_list(0x555582428660, 24) = 0 rseq(0x555582428ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3297718557", 4096) = 28 getrandom("\x05\xe6\xe7\xff\x33\x38\x60\xaf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555582428d00 brk(0x555582449d00) = 0x555582449d00 brk(0x55558244a000) = 0x55558244a000 mprotect(0x7f5d8ad70000, 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 write(1, "executing program\n", 18executing program ) = 18 bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_DEVMAP, key_size=4, value_size=4, max_entries=3, 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}, 72) = 3 [ 88.175635][ T5828] VFS_BUG_ON_INODE(1) encountered for inode ffff888148c44000 [ 88.175913][ T5828] ------------[ cut here ]------------ [ 88.189054][ T5828] kernel BUG at fs/namei.c:3432! [ 88.194047][ T5828] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 88.200299][ T5828] CPU: 0 UID: 0 PID: 5828 Comm: syz-executor329 Not tainted 6.14.0-syzkaller-11270-g08733088b566 #0 PREEMPT(full) [ 88.212358][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 88.222423][ T5828] RIP: 0010:may_open+0x450/0x460 [ 88.227387][ T5828] Code: 38 c1 0f 8c 95 fe ff ff 48 89 df e8 aa 3c eb ff e9 88 fe ff ff e8 10 b3 84 ff 4c 89 ef 48 c7 c6 c0 f6 58 8c e8 81 21 05 00 90 <0f> 0b 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 88.247033][ T5828] RSP: 0018:ffffc90003ce78d8 EFLAGS: 00010246 [ 88.253124][ T5828] RAX: 000000000000003a RBX: 00000000000fffff RCX: 8d133bf8e6cb7a00 [ 88.261095][ T5828] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 88.269070][ T5828] RBP: ffffffff8ee96300 R08: ffffffff81a29bdc R09: 1ffff9200079ceb8 [ 88.277042][ T5828] R10: dffffc0000000000 R11: fffff5200079ceb9 R12: 0000000000000006 [ 88.285013][ T5828] R13: ffff888148c44000 R14: dffffc0000000000 R15: ffffc90003ce7ba0 [ 88.292981][ T5828] FS: 0000555582428380(0000) GS:ffff888124fe2000(0000) knlGS:0000000000000000 [ 88.301907][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.308485][ T5828] CR2: 000056466efce608 CR3: 0000000033c36000 CR4: 00000000003526f0 [ 88.316461][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.324447][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.332412][ T5828] Call Trace: [ 88.335688][ T5828] [ 88.338638][ T5828] path_openat+0x2b39/0x35d0 [ 88.343245][ T5828] ? __pfx_path_openat+0x10/0x10 [ 88.348181][ T5828] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.354252][ T5828] do_filp_open+0x284/0x4e0 [ 88.358758][ T5828] ? __pfx_do_filp_open+0x10/0x10 [ 88.363783][ T5828] ? do_raw_spin_lock+0x151/0x370 [ 88.368826][ T5828] do_sys_openat2+0x12b/0x1d0 [ 88.373516][ T5828] ? __pfx_do_sys_openat2+0x10/0x10 [ 88.378720][ T5828] ? lockdep_hardirqs_on+0x9d/0x150 [ 88.383932][ T5828] ? _raw_spin_unlock_irq+0x2e/0x50 [ 88.389134][ T5828] ? ptrace_notify+0x282/0x390 [ 88.393911][ T5828] __x64_sys_openat+0x249/0x2a0 [ 88.398773][ T5828] ? __pfx___x64_sys_openat+0x10/0x10 [ 88.404159][ T5828] do_syscall_64+0xf3/0x230 [ 88.408666][ T5828] ? clear_bhb_loop+0x45/0xa0 [ 88.413346][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.419248][ T5828] RIP: 0033:0x7f5d8acfc7e1 [ 88.423669][ T5828] 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 [ 88.443275][ T5828] RSP: 002b:00007fff2f6ce680 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 88.451692][ T5828] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5d8acfc7e1 [ 88.459676][ T5828] RDX: 0000000000000002 RSI: 00007fff2f6ce700 RDI: 00000000ffffff9c [ 88.467673][ T5828] RBP: 00007fff2f6ce700 R08: 0000000000000000 R09: 0000000000000000 [ 88.475646][ T5828] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 88.483623][ T5828] R13: 00007fff2f6ce938 R14: 0000000000000001 R15: 0000000000000001 [ 88.491613][ T5828] [ 88.494634][ T5828] Modules linked in: [ 88.499178][ T5828] ---[ end trace 0000000000000000 ]--- [ 88.505091][ T5828] RIP: 0010:may_open+0x450/0x460 [ 88.510052][ T5828] Code: 38 c1 0f 8c 95 fe ff ff 48 89 df e8 aa 3c eb ff e9 88 fe ff ff e8 10 b3 84 ff 4c 89 ef 48 c7 c6 c0 f6 58 8c e8 81 21 05 00 90 <0f> 0b 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 88.529773][ T5828] RSP: 0018:ffffc90003ce78d8 EFLAGS: 00010246 [ 88.535956][ T5828] RAX: 000000000000003a RBX: 00000000000fffff RCX: 8d133bf8e6cb7a00 [ 88.543943][ T5828] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 88.551981][ T5828] RBP: ffffffff8ee96300 R08: ffffffff81a29bdc R09: 1ffff9200079ceb8 [ 88.560009][ T5828] R10: dffffc0000000000 R11: fffff5200079ceb9 R12: 0000000000000006 [ 88.568092][ T5828] R13: ffff888148c44000 R14: dffffc0000000000 R15: ffffc90003ce7ba0 [ 88.576099][ T5828] FS: 0000555582428380(0000) GS:ffff888124fe2000(0000) knlGS:0000000000000000 [ 88.585073][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.591661][ T5828] CR2: 000056466efce608 CR3: 0000000033c36000 CR4: 00000000003526f0 [ 88.599666][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.607700][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.615724][ T5828] Kernel panic - not syncing: Fatal exception [ 88.622165][ T5828] Kernel Offset: disabled [ 88.626488][ T5828] Rebooting in 86400 seconds..