./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1026150865 <...> Warning: Permanently added '10.128.0.246' (ED25519) to the list of known hosts. execve("./syz-executor1026150865", ["./syz-executor1026150865"], 0x7ffc233bb0b0 /* 10 vars */) = 0 brk(NULL) = 0x555581c0e000 brk(0x555581c0ed00) = 0x555581c0ed00 arch_prctl(ARCH_SET_FS, 0x555581c0e380) = 0 set_tid_address(0x555581c0e650) = 5820 set_robust_list(0x555581c0e660, 24) = 0 rseq(0x555581c0eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1026150865", 4096) = 28 getrandom("\x3a\x3a\x9f\xde\xab\x21\x31\xb7", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555581c0ed00 brk(0x555581c2fd00) = 0x555581c2fd00 brk(0x555581c30000) = 0x555581c30000 mprotect(0x7f32b09ef000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5821 attached [pid 5821] set_robust_list(0x555581c0e660, 24 [pid 5820] <... clone resumed>, child_tidptr=0x555581c0e650) = 5821 [pid 5821] <... set_robust_list resumed>) = 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(3executing program ) = 0 [pid 5821] write(1, "executing program\n", 18) = 18 [pid 5821] fsopen("ramfs", 0) = 3 [ 96.626076][ T5821] VFS_BUG_ON_INODE(1) encountered for inode ffff8880228bf758 [ 96.626320][ T5821] ------------[ cut here ]------------ [ 96.642250][ T5821] kernel BUG at fs/namei.c:3467! [ 96.649802][ T5821] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 96.656925][ T5821] CPU: 0 UID: 0 PID: 5821 Comm: syz-executor102 Not tainted 6.15.0-rc5-syzkaller-00123-g2c89c1b655c0 #0 PREEMPT(full) [ 96.671596][ T5821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025 [ 96.683420][ T5821] RIP: 0010:may_open+0x462/0x470 [ 96.689463][ T5821] Code: 38 c1 0f 8c 9b fe ff ff 4c 89 ff e8 48 72 ec ff e9 8e fe ff ff e8 7e a3 8c ff 4c 89 f7 48 c7 c6 40 04 79 8b e8 bf e9 f4 fe 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 [ 96.711823][ T5821] RSP: 0018:ffffc90003fc7940 EFLAGS: 00010246 [ 96.718741][ T5821] RAX: 000000000000003a RBX: dffffc0000000000 RCX: 9cee96a29b7da400 [ 96.728040][ T5821] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 96.737415][ T5821] RBP: ffffffff8e097920 R08: ffffc90003fc7627 R09: 1ffff920007f8ec4 [ 96.747833][ T5821] R10: dffffc0000000000 R11: fffff520007f8ec5 R12: ffffc90003fc7c20 [ 96.757660][ T5821] R13: 00000000000fffff R14: ffff8880228bf758 R15: 0000000000000006 [ 96.767811][ T5821] FS: 0000555581c0e380(0000) GS:ffff888126100000(0000) knlGS:0000000000000000 [ 96.778414][ T5821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.785810][ T5821] CR2: 00007f32b09d8753 CR3: 00000000768cc000 CR4: 00000000003526f0 [ 96.794261][ T5821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.803112][ T5821] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.815994][ T5821] Call Trace: [ 96.820433][ T5821] [ 96.823380][ T5821] path_openat+0x2d91/0x3830 [ 96.829098][ T5821] ? arch_stack_walk+0xfc/0x150 [ 96.834645][ T5821] ? __pfx_path_openat+0x10/0x10 [ 96.840589][ T5821] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.847161][ T5821] do_filp_open+0x1fa/0x410 [ 96.852488][ T5821] ? __pfx_do_filp_open+0x10/0x10 [ 96.858514][ T5821] ? _raw_spin_unlock+0x28/0x50 [ 96.864146][ T5821] ? alloc_fd+0x64c/0x6c0 [ 96.868694][ T5821] do_sys_openat2+0x121/0x1c0 [ 96.873898][ T5821] ? __pfx_do_sys_openat2+0x10/0x10 [ 96.880413][ T5821] __x64_sys_openat+0x138/0x170 [ 96.886625][ T5821] do_syscall_64+0xf6/0x210 [ 96.891359][ T5821] ? clear_bhb_loop+0x45/0xa0 [ 96.896700][ T5821] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.905516][ T5821] RIP: 0033:0x7f32b097bae1 [ 96.911036][ T5821] Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d 8a 85 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 [ 96.932624][ T5821] RSP: 002b:00007ffefe0be450 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 96.941956][ T5821] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f32b097bae1 [ 96.950648][ T5821] RDX: 0000000000000002 RSI: 00007ffefe0be4f0 RDI: 00000000ffffff9c [ 96.958924][ T5821] RBP: 00007ffefe0be4f0 R08: 0000000000000000 R09: 0000000000000000 [ 96.968336][ T5821] R10: 0000000000000000 R11: 0000000000000202 R12: 00002000000001c0 [ 96.978814][ T5821] R13: 00002000000001c4 R14: 0000000000000001 R15: 0000000000000001 [ 96.987922][ T5821] [ 96.991936][ T5821] Modules linked in: [ 96.996780][ T5821] ---[ end trace 0000000000000000 ]--- [ 97.002904][ T5821] RIP: 0010:may_open+0x462/0x470 [ 97.008538][ T5821] Code: 38 c1 0f 8c 9b fe ff ff 4c 89 ff e8 48 72 ec ff e9 8e fe ff ff e8 7e a3 8c ff 4c 89 f7 48 c7 c6 40 04 79 8b e8 bf e9 f4 fe 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 [ 97.030813][ T5821] RSP: 0018:ffffc90003fc7940 EFLAGS: 00010246 [ 97.037675][ T5821] RAX: 000000000000003a RBX: dffffc0000000000 RCX: 9cee96a29b7da400 [ 97.046644][ T5821] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 97.055422][ T5821] RBP: ffffffff8e097920 R08: ffffc90003fc7627 R09: 1ffff920007f8ec4 [ 97.065669][ T5821] R10: dffffc0000000000 R11: fffff520007f8ec5 R12: ffffc90003fc7c20 [ 97.076180][ T5821] R13: 00000000000fffff R14: ffff8880228bf758 R15: 0000000000000006 [ 97.085989][ T5821] FS: 0000555581c0e380(0000) GS:ffff888126100000(0000) knlGS:0000000000000000 [ 97.096072][ T5821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.103502][ T5821] CR2: 00007f32b09d8753 CR3: 00000000768cc000 CR4: 00000000003526f0 [ 97.112300][ T5821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 97.121808][ T5821] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 97.130282][ T5821] Kernel panic - not syncing: Fatal exception [ 97.136986][ T5821] Kernel Offset: disabled [ 97.141535][ T5821] Rebooting in 86400 seconds..