./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2185985368 <...> Warning: Permanently added '10.128.1.100' (ED25519) to the list of known hosts. execve("./syz-executor2185985368", ["./syz-executor2185985368"], 0x7fff5bfb9130 /* 10 vars */) = 0 brk(NULL) = 0x55556b073000 brk(0x55556b073d00) = 0x55556b073d00 arch_prctl(ARCH_SET_FS, 0x55556b073380) = 0 set_tid_address(0x55556b073650) = 5848 set_robust_list(0x55556b073660, 24) = 0 rseq(0x55556b073ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2185985368", 4096) = 28 getrandom("\x0d\xc8\xdc\x3d\xf0\xd0\x9b\x5a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556b073d00 brk(0x55556b094d00) = 0x55556b094d00 brk(0x55556b095000) = 0x55556b095000 mprotect(0x7fe6f8eec000, 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./strace-static-x86_64: Process 5849 attached [pid 5849] set_robust_list(0x55556b073660, 24 [pid 5848] <... clone resumed>, child_tidptr=0x55556b073650) = 5849 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5849] getppid() = 0 [pid 5849] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5849] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5849] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5849] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5849] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5849] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5849] unshare(CLONE_NEWNS) = 0 [pid 5849] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5849] unshare(CLONE_NEWIPC) = 0 [pid 5849] unshare(CLONE_NEWCGROUP) = 0 [pid 5849] unshare(CLONE_NEWUTS) = 0 [pid 5849] unshare(CLONE_SYSVSEM) = 0 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "16777216", 8) = 8 [pid 5849] close(3) = 0 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "536870912", 9) = 9 [pid 5849] close(3) = 0 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "1024", 4) = 4 [pid 5849] close(3) = 0 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "8192", 4) = 4 [pid 5849] close(3) = 0 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "1024", 4) = 4 [pid 5849] close(3) = 0 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "1024", 4) = 4 [pid 5849] close(3) = 0 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5849] close(3) = 0 [pid 5849] getpid() = 1 [pid 5849] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 71 f5 ff ff e8 c1 db 80 f7 e9 d3 00 00 00 e8 b7 db 80 [ 108.519537][ T5849] RSP: 0018:ffffc90003dced00 EFLAGS: 00010293 [ 108.526276][ T5849] RAX: ffffffff8a3f4d21 RBX: ffffffff8de66da0 RCX: ffff888026c08000 [ 108.535042][ T5849] RDX: 0000000000000000 RSI: 00000000000100f4 RDI: 0000000000010000 [ 108.543381][ T5849] RBP: ffffc90003dcee30 R08: ffffea0001709340 R09: 0000013a000001a7 [ 108.552374][ T5849] R10: ffffea0001709340 R11: 0000013a000001a7 R12: 1ffffffff1bccdb4 [ 108.561253][ T5849] R13: ffff88805c256140 R14: 00000000000100f4 R15: ffff88805c256210 [ 108.569897][ T5849] FS: 000055556b073380(0000) GS:ffff888125c23000(0000) knlGS:0000000000000000 [ 108.580368][ T5849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.587713][ T5849] CR2: 0000200000010000 CR3: 00000000761e8000 CR4: 00000000003526f0 [ 108.596742][ T5849] Call Trace: [ 108.600216][ T5849] [ 108.603636][ T5849] ? __pfx_ipv6_gso_segment+0x10/0x10 [ 108.609461][ T5849] ? __pfx_ipv6_gso_segment+0x10/0x10 [ 108.615063][ T5849] skb_mac_gso_segment+0x31c/0x640 [ 108.620333][ T5849] ? skb_mac_gso_segment+0x17e/0x640 [ 108.625768][ T5849] ? __pfx_skb_mac_gso_segment+0x10/0x10 [ 108.632036][ T5849] ? __lock_acquire+0xab9/0xd20 [ 108.637259][ T5849] nsh_gso_segment+0x54a/0xe10 [ 108.643521][ T5849] ? __pfx_nsh_gso_segment+0x10/0x10 [ 108.649129][ T5849] skb_mac_gso_segment+0x31c/0x640 [ 108.654773][ T5849] ? skb_mac_gso_segment+0x17e/0x640 [ 108.660427][ T5849] ? __pfx_skb_mac_gso_segment+0x10/0x10 [ 108.666883][ T5849] __skb_gso_segment+0x342/0x510 [ 108.672109][ T5849] validate_xmit_skb+0x857/0x11b0 [ 108.677498][ T5849] ? __pfx_validate_xmit_skb+0x10/0x10 [ 108.683274][ T5849] validate_xmit_skb_list+0x84/0x120 [ 108.688649][ T5849] sch_direct_xmit+0xd3/0x4b0 [ 108.693787][ T5849] ? __pfx_sch_direct_xmit+0x10/0x10 [ 108.699694][ T5849] __dev_queue_xmit+0x17b6/0x3a70 [ 108.705088][ T5849] ? __dev_queue_xmit+0x27e/0x3a70 [ 108.710453][ T5849] ? __pskb_pull_tail+0xb59/0x15b0 [ 108.716020][ T5849] ? __asan_memcpy+0x40/0x70 [ 108.721048][ T5849] ? __pfx___dev_queue_xmit+0x10/0x10 [ 108.726673][ T5849] ? skb_partial_csum_set+0x107/0x360 [ 108.733532][ T5849] ? virtio_net_hdr_to_skb+0x9e1/0x1490 [ 108.739453][ T5849] ? packet_parse_headers+0x7ff/0xb60 [ 108.745324][ T5849] ? __pfx_virtio_net_hdr_to_skb+0x10/0x10 [ 108.752174][ T5849] ? packet_xmit+0x68/0x330 [ 108.757100][ T5849] packet_sendmsg+0x3e16/0x5060 [ 108.762217][ T5849] ? aa_bind_mount+0x140/0x590 [ 108.767469][ T5849] ? __pfx___might_resched+0x10/0x10 [ 108.773197][ T5849] ? cpuacct_charge+0x117/0x320 [ 108.778865][ T5849] ? xfd_validate_state+0x6d/0x150 [ 108.785305][ T5849] ? save_fpregs_to_fpstate+0xa3/0x210 [ 108.792666][ T5849] ? __pfx_packet_sendmsg+0x10/0x10 [ 108.798487][ T5849] ? aa_sk_perm+0x81e/0x950 [ 108.808692][ T5849] ? tomoyo_socket_sendmsg_permission+0x1e1/0x300 [ 108.823078][ T5849] ? __lock_acquire+0xab9/0xd20 [ 108.829399][ T5849] ? aa_sock_msg_perm+0x94/0x160 [ 108.836087][ T5849] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 108.843489][ T5849] ? __pfx_packet_sendmsg+0x10/0x10 [ 108.851302][ T5849] __sock_sendmsg+0x21c/0x270 [ 108.857373][ T5849] ____sys_sendmsg+0x505/0x830 [ 108.863668][ T5849] ? __pfx_____sys_sendmsg+0x10/0x10 [ 108.870142][ T5849] ? import_iovec+0x74/0xa0 [ 108.876757][ T5849] ___sys_sendmsg+0x21f/0x2a0 [ 108.884451][ T5849] ? __pfx____sys_sendmsg+0x10/0x10 [ 108.890564][ T5849] ? do_raw_spin_lock+0x121/0x290 [ 108.896156][ T5849] __x64_sys_sendmsg+0x19b/0x260 [ 108.901738][ T5849] ? _raw_spin_unlock_irq+0x2e/0x50 [ 108.907486][ T5849] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 108.913629][ T5849] ? rcu_is_watching+0x15/0xb0 [ 108.919127][ T5849] do_syscall_64+0xfa/0x3b0 [ 108.924027][ T5849] ? lockdep_hardirqs_on+0x9c/0x150 [ 108.929439][ T5849] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.936265][ T5849] ? clear_bhb_loop+0x60/0xb0 [ 108.941245][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.947497][ T5849] RIP: 0033:0x7fe6f8e73859 [ 108.952244][ T5849] 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 [ 108.973099][ T5849] RSP: 002b:00007fff4d83db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.982561][ T5849] RAX: ffffffffffffffda RBX: 00007fe6f8ec14ad RCX: 00007fe6f8e73859 [ 108.991084][ T5849] RDX: 00000000200400c4 RSI: 0000200000000180 RDI: 0000000000000003 [ 109.000904][ T5849] RBP: 00007fe6f8ec147d R08: 0000555500000000 R09: 0000555500000000 [ 109.015954][ T5849] R10: 0000200000000180 R11: 0000000000000246 R12: 00007fe6f8ec13e5 [ 109.025203][ T5849] R13: 0000000000000001 R14: 00007fff4d83dbb0 R15: 0000000000000003 [ 109.034298][ T5849] [ 109.037499][ T5849] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 109.045084][ T5849] CPU: 0 UID: 0 PID: 5849 Comm: syz-executor218 Not tainted 6.16.0-rc6-syzkaller-g7abc678e3084 #0 PREEMPT(full) [ 109.058264][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 109.069682][ T5849] Call Trace: [ 109.073265][ T5849] [ 109.076578][ T5849] dump_stack_lvl+0x99/0x250 [ 109.081757][ T5849] ? __asan_memcpy+0x40/0x70 [ 109.087446][ T5849] ? __pfx_dump_stack_lvl+0x10/0x10 [ 109.093230][ T5849] ? __pfx__printk+0x10/0x10 [ 109.098236][ T5849] panic+0x2db/0x790 [ 109.102366][ T5849] ? __pfx_panic+0x10/0x10 [ 109.106953][ T5849] ? show_trace_log_lvl+0x4fb/0x550 [ 109.112298][ T5849] __warn+0x31b/0x4b0 [ 109.116300][ T5849] ? ipv6_gso_segment+0x15e2/0x21e0 [ 109.121658][ T5849] ? ipv6_gso_segment+0x15e2/0x21e0 [ 109.126997][ T5849] report_bug+0x2be/0x4f0 [ 109.131625][ T5849] ? ipv6_gso_segment+0x15e2/0x21e0 [ 109.138066][ T5849] ? ipv6_gso_segment+0x15e2/0x21e0 [ 109.143799][ T5849] ? ipv6_gso_segment+0x15e4/0x21e0 [ 109.149318][ T5849] handle_bug+0x84/0x160 [ 109.153956][ T5849] exc_invalid_op+0x1a/0x50 [ 109.158976][ T5849] asm_exc_invalid_op+0x1a/0x20 [ 109.164046][ T5849] RIP: 0010:ipv6_gso_segment+0x15e2/0x21e0 [ 109.170434][ T5849] Code: ff ff e8 f1 db 80 f7 49 c7 c5 a3 ff ff ff e9 27 fe ff ff e8 e0 db 80 f7 49 c7 c5 a3 ff ff ff e9 16 fe ff ff e8 cf db 80 f7 90 <0f> 0b 90 e9 71 f5 ff ff e8 c1 db 80 f7 e9 d3 00 00 00 e8 b7 db 80 [ 109.191394][ T5849] RSP: 0018:ffffc90003dced00 EFLAGS: 00010293 [ 109.198041][ T5849] RAX: ffffffff8a3f4d21 RBX: ffffffff8de66da0 RCX: ffff888026c08000 [ 109.206839][ T5849] RDX: 0000000000000000 RSI: 00000000000100f4 RDI: 0000000000010000 [ 109.215105][ T5849] RBP: ffffc90003dcee30 R08: ffffea0001709340 R09: 0000013a000001a7 [ 109.224069][ T5849] R10: ffffea0001709340 R11: 0000013a000001a7 R12: 1ffffffff1bccdb4 [ 109.232435][ T5849] R13: ffff88805c256140 R14: 00000000000100f4 R15: ffff88805c256210 [ 109.241032][ T5849] ? ipv6_gso_segment+0x15e1/0x21e0 [ 109.246300][ T5849] ? __pfx_ipv6_gso_segment+0x10/0x10 [ 109.252516][ T5849] ? __pfx_ipv6_gso_segment+0x10/0x10 [ 109.258197][ T5849] skb_mac_gso_segment+0x31c/0x640 [ 109.263533][ T5849] ? skb_mac_gso_segment+0x17e/0x640 [ 109.269215][ T5849] ? __pfx_skb_mac_gso_segment+0x10/0x10 [ 109.275251][ T5849] ? __lock_acquire+0xab9/0xd20 [ 109.280665][ T5849] nsh_gso_segment+0x54a/0xe10 [ 109.286283][ T5849] ? __pfx_nsh_gso_segment+0x10/0x10 [ 109.292191][ T5849] skb_mac_gso_segment+0x31c/0x640 [ 109.298056][ T5849] ? skb_mac_gso_segment+0x17e/0x640 [ 109.303673][ T5849] ? __pfx_skb_mac_gso_segment+0x10/0x10 [ 109.309619][ T5849] __skb_gso_segment+0x342/0x510 [ 109.314772][ T5849] validate_xmit_skb+0x857/0x11b0 [ 109.320560][ T5849] ? __pfx_validate_xmit_skb+0x10/0x10 [ 109.326520][ T5849] validate_xmit_skb_list+0x84/0x120 [ 109.332008][ T5849] sch_direct_xmit+0xd3/0x4b0 [ 109.336821][ T5849] ? __pfx_sch_direct_xmit+0x10/0x10 [ 109.342937][ T5849] __dev_queue_xmit+0x17b6/0x3a70 [ 109.348543][ T5849] ? __dev_queue_xmit+0x27e/0x3a70 [ 109.354341][ T5849] ? __pskb_pull_tail+0xb59/0x15b0 [ 109.360137][ T5849] ? __asan_memcpy+0x40/0x70 [ 109.365036][ T5849] ? __pfx___dev_queue_xmit+0x10/0x10 [ 109.370664][ T5849] ? skb_partial_csum_set+0x107/0x360 [ 109.376451][ T5849] ? virtio_net_hdr_to_skb+0x9e1/0x1490 [ 109.382044][ T5849] ? packet_parse_headers+0x7ff/0xb60 [ 109.387670][ T5849] ? __pfx_virtio_net_hdr_to_skb+0x10/0x10 [ 109.394007][ T5849] ? packet_xmit+0x68/0x330 [ 109.398730][ T5849] packet_sendmsg+0x3e16/0x5060 [ 109.403848][ T5849] ? aa_bind_mount+0x140/0x590 [ 109.409126][ T5849] ? __pfx___might_resched+0x10/0x10 [ 109.415210][ T5849] ? cpuacct_charge+0x117/0x320 [ 109.420720][ T5849] ? xfd_validate_state+0x6d/0x150 [ 109.426362][ T5849] ? save_fpregs_to_fpstate+0xa3/0x210 [ 109.432220][ T5849] ? __pfx_packet_sendmsg+0x10/0x10 [ 109.437961][ T5849] ? aa_sk_perm+0x81e/0x950 [ 109.443140][ T5849] ? tomoyo_socket_sendmsg_permission+0x1e1/0x300 [ 109.450318][ T5849] ? __lock_acquire+0xab9/0xd20 [ 109.455297][ T5849] ? aa_sock_msg_perm+0x94/0x160 [ 109.460666][ T5849] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 109.466159][ T5849] ? __pfx_packet_sendmsg+0x10/0x10 [ 109.471420][ T5849] __sock_sendmsg+0x21c/0x270 [ 109.476322][ T5849] ____sys_sendmsg+0x505/0x830 [ 109.481384][ T5849] ? __pfx_____sys_sendmsg+0x10/0x10 [ 109.486946][ T5849] ? import_iovec+0x74/0xa0 [ 109.491627][ T5849] ___sys_sendmsg+0x21f/0x2a0 [ 109.496450][ T5849] ? __pfx____sys_sendmsg+0x10/0x10 [ 109.501810][ T5849] ? do_raw_spin_lock+0x121/0x290 [ 109.506899][ T5849] __x64_sys_sendmsg+0x19b/0x260 [ 109.511959][ T5849] ? _raw_spin_unlock_irq+0x2e/0x50 [ 109.517466][ T5849] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 109.523161][ T5849] ? rcu_is_watching+0x15/0xb0 [ 109.528123][ T5849] do_syscall_64+0xfa/0x3b0 [ 109.532857][ T5849] ? lockdep_hardirqs_on+0x9c/0x150 [ 109.538189][ T5849] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.544922][ T5849] ? clear_bhb_loop+0x60/0xb0 [ 109.549758][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.556763][ T5849] RIP: 0033:0x7fe6f8e73859 [ 109.561858][ T5849] 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 [ 109.586598][ T5849] RSP: 002b:00007fff4d83db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.596541][ T5849] RAX: ffffffffffffffda RBX: 00007fe6f8ec14ad RCX: 00007fe6f8e73859 [ 109.605597][ T5849] RDX: 00000000200400c4 RSI: 0000200000000180 RDI: 0000000000000003 [ 109.614339][ T5849] RBP: 00007fe6f8ec147d R08: 0000555500000000 R09: 0000555500000000 [ 109.622677][ T5849] R10: 0000200000000180 R11: 0000000000000246 R12: 00007fe6f8ec13e5 [ 109.632729][ T5849] R13: 0000000000000001 R14: 00007fff4d83dbb0 R15: 0000000000000003 [ 109.642620][ T5849] [ 109.646905][ T5849] Kernel Offset: disabled [ 109.651964][ T5849] Rebooting in 86400 seconds..