./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4023447852 <...> Warning: Permanently added '10.128.1.26' (ED25519) to the list of known hosts. execve("./syz-executor4023447852", ["./syz-executor4023447852"], 0x7fff5e1a7e30 /* 10 vars */) = 0 brk(NULL) = 0x55556cde8000 brk(0x55556cde8d00) = 0x55556cde8d00 arch_prctl(ARCH_SET_FS, 0x55556cde8380) = 0 set_tid_address(0x55556cde8650) = 5841 set_robust_list(0x55556cde8660, 24) = 0 rseq(0x55556cde8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4023447852", 4096) = 28 getrandom("\xc2\xd6\x9b\x0a\x1f\xbe\x19\xd5", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556cde8d00 brk(0x55556ce09d00) = 0x55556ce09d00 brk(0x55556ce0a000) = 0x55556ce0a000 mprotect(0x7fd5c842f000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cde8650) = 5842 ./strace-static-x86_64: Process 5842 attached [pid 5842] set_robust_list(0x55556cde8660, 24) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] getppid() = 0 [pid 5842] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5842] unshare(CLONE_NEWNS) = 0 [pid 5842] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5842] unshare(CLONE_NEWIPC) = 0 [pid 5842] unshare(CLONE_NEWCGROUP) = 0 [pid 5842] unshare(CLONE_NEWUTS) = 0 [pid 5842] unshare(CLONE_SYSVSEM) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "16777216", 8) = 8 [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "536870912", 9) = 9 [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1024", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "8192", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1024", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1024", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5842] close(3) = 0 [pid 5842] getpid() = 1 [pid 5842] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 2d fc ff ff e8 8d 0a d4 f7 c6 05 0d a0 5a 06 01 90 48 [ 105.630376][ T5842] RSP: 0018:ffffc9000404f980 EFLAGS: 00010293 [ 105.636788][ T5842] RAX: ffffffff89ef4c65 RBX: 0000000000000000 RCX: ffff88807c7a8000 [ 105.644791][ T5842] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 105.653011][ T5842] RBP: ffffc9000404fa80 R08: ffffffff89ef4849 R09: 0000000000000000 [ 105.661072][ T5842] R10: ffffc9000404f9e0 R11: fffff52000809f40 R12: ffffc90000ace000 [ 105.669124][ T5842] R13: 1ffff92000809f38 R14: dffffc0000000000 R15: ffff888076908000 [ 105.677155][ T5842] FS: 000055556cde8380(0000) GS:ffff888124f93000(0000) knlGS:0000000000000000 [ 105.686150][ T5842] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.692766][ T5842] CR2: 0000000038443ba8 CR3: 0000000034184000 CR4: 00000000003526f0 [ 105.700793][ T5842] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 105.708920][ T5842] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 105.717016][ T5842] Call Trace: [ 105.720313][ T5842] [ 105.723248][ T5842] ? __pfx_nsim_bpf+0x10/0x10 [ 105.728007][ T5842] ? __pfx_dev_xdp_install+0x10/0x10 [ 105.733337][ T5842] ? bpf_offload_dev_match+0x37/0x50 [ 105.738769][ T5842] ? __pfx_nsim_bpf+0x10/0x10 [ 105.743549][ T5842] dev_xdp_attach+0xc5d/0xfe0 [ 105.748327][ T5842] bpf_xdp_link_attach+0x3a2/0x760 [ 105.753469][ T5842] ? __pfx_bpf_xdp_link_attach+0x10/0x10 [ 105.759304][ T5842] ? attach_type_to_prog_type+0x316/0x460 [ 105.765161][ T5842] ? bpf_prog_attach_check_attach_type+0x2cb/0x4f0 [ 105.771711][ T5842] link_create+0x440/0x870 [ 105.776281][ T5842] __sys_bpf+0x5ad/0x8b0 [ 105.780571][ T5842] ? __pfx___sys_bpf+0x10/0x10 [ 105.785464][ T5842] __x64_sys_bpf+0x7c/0x90 [ 105.789904][ T5842] do_syscall_64+0xf3/0x230 [ 105.794436][ T5842] ? clear_bhb_loop+0x45/0xa0 [ 105.799202][ T5842] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 105.805179][ T5842] RIP: 0033:0x7fd5c83b6899 [ 105.809632][ T5842] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 [ 105.829427][ T5842] RSP: 002b:00007fffc6eed1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 105.837909][ T5842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5c83b6899 [ 105.845946][ T5842] RDX: 0000000000000020 RSI: 0000200000000240 RDI: 000000000000001c [ 105.853935][ T5842] RBP: 0000000000000000 R08: 0000555500000000 R09: 0000555500000000 [ 105.861989][ T5842] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 105.870039][ T5842] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 105.878085][ T5842] [ 105.881121][ T5842] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 105.888414][ T5842] CPU: 0 UID: 0 PID: 5842 Comm: syz-executor402 Not tainted 6.14.0-next-20250402-syzkaller #0 PREEMPT(full) [ 105.899975][ T5842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.910028][ T5842] Call Trace: [ 105.913305][ T5842] [ 105.916232][ T5842] dump_stack_lvl+0x241/0x360 [ 105.920918][ T5842] ? __pfx_dump_stack_lvl+0x10/0x10 [ 105.926126][ T5842] ? __pfx__printk+0x10/0x10 [ 105.930724][ T5842] ? vscnprintf+0x5d/0x90 [ 105.935068][ T5842] panic+0x349/0x880 [ 105.938983][ T5842] ? __warn+0x174/0x4d0 [ 105.943153][ T5842] ? __pfx_panic+0x10/0x10 [ 105.947605][ T5842] __warn+0x344/0x4d0 [ 105.951609][ T5842] ? dev_xdp_install+0x5e6/0x760 [ 105.956599][ T5842] report_bug+0x2b3/0x500 [ 105.960942][ T5842] ? dev_xdp_install+0x5e6/0x760 [ 105.965886][ T5842] ? dev_xdp_install+0x5e6/0x760 [ 105.970833][ T5842] ? dev_xdp_install+0x5e8/0x760 [ 105.975795][ T5842] handle_bug+0x89/0x170 [ 105.980047][ T5842] exc_invalid_op+0x1a/0x50 [ 105.984575][ T5842] asm_exc_invalid_op+0x1a/0x20 [ 105.989438][ T5842] RIP: 0010:dev_xdp_install+0x5e6/0x760 [ 105.994992][ T5842] Code: 06 48 3b 84 24 a0 00 00 00 0f 85 8e 01 00 00 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 9b 0a d4 f7 90 <0f> 0b 90 e9 2d fc ff ff e8 8d 0a d4 f7 c6 05 0d a0 5a 06 01 90 48 [ 106.014613][ T5842] RSP: 0018:ffffc9000404f980 EFLAGS: 00010293 [ 106.020712][ T5842] RAX: ffffffff89ef4c65 RBX: 0000000000000000 RCX: ffff88807c7a8000 [ 106.028689][ T5842] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 106.036667][ T5842] RBP: ffffc9000404fa80 R08: ffffffff89ef4849 R09: 0000000000000000 [ 106.044643][ T5842] R10: ffffc9000404f9e0 R11: fffff52000809f40 R12: ffffc90000ace000 [ 106.052615][ T5842] R13: 1ffff92000809f38 R14: dffffc0000000000 R15: ffff888076908000 [ 106.060593][ T5842] ? dev_xdp_install+0x1c9/0x760 [ 106.065540][ T5842] ? dev_xdp_install+0x5e5/0x760 [ 106.070499][ T5842] ? __pfx_nsim_bpf+0x10/0x10 [ 106.075188][ T5842] ? __pfx_dev_xdp_install+0x10/0x10 [ 106.080487][ T5842] ? bpf_offload_dev_match+0x37/0x50 [ 106.085786][ T5842] ? __pfx_nsim_bpf+0x10/0x10 [ 106.090473][ T5842] dev_xdp_attach+0xc5d/0xfe0 [ 106.095172][ T5842] bpf_xdp_link_attach+0x3a2/0x760 [ 106.100299][ T5842] ? __pfx_bpf_xdp_link_attach+0x10/0x10 [ 106.105965][ T5842] ? attach_type_to_prog_type+0x316/0x460 [ 106.111689][ T5842] ? bpf_prog_attach_check_attach_type+0x2cb/0x4f0 [ 106.118202][ T5842] link_create+0x440/0x870 [ 106.122630][ T5842] __sys_bpf+0x5ad/0x8b0 [ 106.126879][ T5842] ? __pfx___sys_bpf+0x10/0x10 [ 106.131678][ T5842] __x64_sys_bpf+0x7c/0x90 [ 106.136110][ T5842] do_syscall_64+0xf3/0x230 [ 106.140625][ T5842] ? clear_bhb_loop+0x45/0xa0 [ 106.145323][ T5842] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 106.151219][ T5842] RIP: 0033:0x7fd5c83b6899 [ 106.155634][ T5842] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 [ 106.175257][ T5842] RSP: 002b:00007fffc6eed1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 106.183677][ T5842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5c83b6899 [ 106.191645][ T5842] RDX: 0000000000000020 RSI: 0000200000000240 RDI: 000000000000001c [ 106.199620][ T5842] RBP: 0000000000000000 R08: 0000555500000000 R09: 0000555500000000 [ 106.207593][ T5842] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 106.215568][ T5842] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 106.223562][ T5842] [ 106.226823][ T5842] Kernel Offset: disabled [ 106.231160][ T5842] Rebooting in 86400 seconds..