./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor203559727 <...> [ 92.091851][ T1211] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.102' (ED25519) to the list of known hosts. execve("./syz-executor203559727", ["./syz-executor203559727"], 0x7ffea37f5d30 /* 10 vars */) = 0 brk(NULL) = 0x555586616000 brk(0x555586616d00) = 0x555586616d00 arch_prctl(ARCH_SET_FS, 0x555586616380) = 0 set_tid_address(0x555586616650) = 5858 set_robust_list(0x555586616660, 24) = 0 rseq(0x555586616ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor203559727", 4096) = 27 getrandom("\xfd\xbb\xca\x43\x98\x2f\xc1\xca", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555586616d00 brk(0x555586637d00) = 0x555586637d00 brk(0x555586638000) = 0x555586638000 mprotect(0x7f8c182fb000, 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 5859 attached [pid 5859] set_robust_list(0x555586616660, 24 [pid 5858] <... clone resumed>, child_tidptr=0x555586616650) = 5859 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5859] getppid() = 0 [pid 5859] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5859] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5859] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5859] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5859] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5859] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5859] unshare(CLONE_NEWNS) = 0 [pid 5859] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5859] unshare(CLONE_NEWIPC) = 0 [pid 5859] unshare(CLONE_NEWCGROUP) = 0 [pid 5859] unshare(CLONE_NEWUTS) = 0 [pid 5859] unshare(CLONE_SYSVSEM) = 0 [pid 5859] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5859] write(3, "16777216", 8) = 8 [pid 5859] close(3) = 0 [pid 5859] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5859] write(3, "536870912", 9) = 9 [pid 5859] close(3) = 0 [pid 5859] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5859] write(3, "1024", 4) = 4 [pid 5859] close(3) = 0 [pid 5859] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5859] write(3, "8192", 4) = 4 [pid 5859] close(3) = 0 [pid 5859] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5859] write(3, "1024", 4) = 4 [pid 5859] close(3) = 0 [pid 5859] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5859] write(3, "1024", 4) = 4 [pid 5859] close(3) = 0 [pid 5859] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5859] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5859] close(3) = 0 [pid 5859] getpid() = 1 [pid 5859] 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 [ 108.640498][ T5859] RSP: 0018:ffffc900042bed00 EFLAGS: 00010293 [ 108.646631][ T5859] RAX: ffffffff8a3f4d21 RBX: ffffffff8de66da0 RCX: ffff8880345f9e00 [ 108.654760][ T5859] RDX: 0000000000000000 RSI: 00000000000100f4 RDI: 0000000000010000 [ 108.662754][ T5859] RBP: ffffc900042bee30 R08: ffffea0000bfc780 R09: 0000013a000001a7 [ 108.670777][ T5859] R10: ffffea0000bfc780 R11: 0000013a000001a7 R12: 1ffffffff1bccdb4 [ 108.678905][ T5859] R13: ffff888078012140 R14: 00000000000100f4 R15: ffff888078012210 [ 108.686946][ T5859] FS: 0000555586616380(0000) GS:ffff888125c23000(0000) knlGS:0000000000000000 [ 108.695929][ T5859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.702603][ T5859] CR2: 0000200000010000 CR3: 00000000778da000 CR4: 00000000003526f0 [ 108.710646][ T5859] Call Trace: [ 108.713948][ T5859] [ 108.716980][ T5859] ? __pfx_ipv6_gso_segment+0x10/0x10 [ 108.722405][ T5859] ? __pfx_ipv6_gso_segment+0x10/0x10 [ 108.727829][ T5859] skb_mac_gso_segment+0x31c/0x640 [ 108.732983][ T5859] ? skb_mac_gso_segment+0x17e/0x640 [ 108.738339][ T5859] ? __pfx_skb_mac_gso_segment+0x10/0x10 [ 108.744054][ T5859] ? __lock_acquire+0xab9/0xd20 [ 108.748943][ T5859] nsh_gso_segment+0x54a/0xe10 [ 108.753729][ T5859] ? __pfx_nsh_gso_segment+0x10/0x10 [ 108.759069][ T5859] skb_mac_gso_segment+0x31c/0x640 [ 108.764259][ T5859] ? skb_mac_gso_segment+0x17e/0x640 [ 108.769550][ T5859] ? __pfx_skb_mac_gso_segment+0x10/0x10 [ 108.775330][ T5859] __skb_gso_segment+0x342/0x510 [ 108.780299][ T5859] validate_xmit_skb+0x857/0x11b0 [ 108.785519][ T5859] ? __pfx_validate_xmit_skb+0x10/0x10 [ 108.791200][ T5859] validate_xmit_skb_list+0x84/0x120 [ 108.796546][ T5859] sch_direct_xmit+0xd3/0x4b0 [ 108.801353][ T5859] ? __pfx_sch_direct_xmit+0x10/0x10 [ 108.806806][ T5859] __dev_queue_xmit+0x17b6/0x3a70 [ 108.812068][ T5859] ? __dev_queue_xmit+0x27e/0x3a70 [ 108.817727][ T5859] ? __pskb_pull_tail+0xb59/0x15b0 [ 108.822888][ T5859] ? __asan_memcpy+0x40/0x70 [ 108.827587][ T5859] ? __pfx___dev_queue_xmit+0x10/0x10 [ 108.832993][ T5859] ? skb_partial_csum_set+0x107/0x360 [ 108.838528][ T5859] ? virtio_net_hdr_to_skb+0x9e1/0x1490 [ 108.844121][ T5859] ? packet_parse_headers+0x7ff/0xb60 [ 108.849594][ T5859] ? __pfx_virtio_net_hdr_to_skb+0x10/0x10 [ 108.855630][ T5859] ? packet_xmit+0x68/0x330 [ 108.860169][ T5859] packet_sendmsg+0x3e16/0x5060 [ 108.865094][ T5859] ? aa_bind_mount+0x140/0x590 [ 108.869925][ T5859] ? __pfx___might_resched+0x10/0x10 [ 108.875267][ T5859] ? cpuacct_charge+0x117/0x320 [ 108.880151][ T5859] ? xfd_validate_state+0x6d/0x150 [ 108.885406][ T5859] ? save_fpregs_to_fpstate+0xa3/0x210 [ 108.890896][ T5859] ? __pfx_packet_sendmsg+0x10/0x10 [ 108.896194][ T5859] ? aa_sk_perm+0x81e/0x950 [ 108.900829][ T5859] ? tomoyo_socket_sendmsg_permission+0x1e1/0x300 [ 108.907328][ T5859] ? __lock_acquire+0xab9/0xd20 [ 108.912242][ T5859] ? aa_sock_msg_perm+0x94/0x160 [ 108.917250][ T5859] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 108.922566][ T5859] ? __pfx_packet_sendmsg+0x10/0x10 [ 108.927849][ T5859] __sock_sendmsg+0x21c/0x270 [ 108.932576][ T5859] ____sys_sendmsg+0x505/0x830 [ 108.937431][ T5859] ? __pfx_____sys_sendmsg+0x10/0x10 [ 108.942843][ T5859] ? import_iovec+0x74/0xa0 [ 108.947439][ T5859] ___sys_sendmsg+0x21f/0x2a0 [ 108.952158][ T5859] ? __pfx____sys_sendmsg+0x10/0x10 [ 108.957491][ T5859] ? do_raw_spin_lock+0x121/0x290 [ 108.962620][ T5859] __x64_sys_sendmsg+0x19b/0x260 [ 108.967661][ T5859] ? _raw_spin_unlock_irq+0x2e/0x50 [ 108.972887][ T5859] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 108.978823][ T5859] ? rcu_is_watching+0x15/0xb0 [ 108.983668][ T5859] do_syscall_64+0xfa/0x3b0 [ 108.988241][ T5859] ? lockdep_hardirqs_on+0x9c/0x150 [ 108.993581][ T5859] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.999823][ T5859] ? clear_bhb_loop+0x60/0xb0 [ 109.004608][ T5859] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.010683][ T5859] RIP: 0033:0x7f8c18282859 [ 109.015159][ T5859] 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 [ 109.035105][ T5859] RSP: 002b:00007ffdca44b458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.043535][ T5859] RAX: ffffffffffffffda RBX: 00007f8c182d04ad RCX: 00007f8c18282859 [ 109.051803][ T5859] RDX: 00000000200400c4 RSI: 0000200000000180 RDI: 0000000000000003 [ 109.059938][ T5859] RBP: 00007f8c182d047d R08: 0000555500000000 R09: 0000555500000000 [ 109.068003][ T5859] R10: 0000200000000180 R11: 0000000000000246 R12: 00007f8c182d03e5 [ 109.076068][ T5859] R13: 0000000000000001 R14: 00007ffdca44b4a0 R15: 0000000000000003 [ 109.084166][ T5859] [ 109.087208][ T5859] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 109.094491][ T5859] CPU: 0 UID: 0 PID: 5859 Comm: syz-executor203 Not tainted 6.16.0-rc6-syzkaller-g7abc678e3084 #0 PREEMPT(full) [ 109.106403][ T5859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 109.116472][ T5859] Call Trace: [ 109.119776][ T5859] [ 109.122724][ T5859] dump_stack_lvl+0x99/0x250 [ 109.127314][ T5859] ? __asan_memcpy+0x40/0x70 [ 109.131908][ T5859] ? __pfx_dump_stack_lvl+0x10/0x10 [ 109.137146][ T5859] ? __pfx__printk+0x10/0x10 [ 109.141752][ T5859] panic+0x2db/0x790 [ 109.145936][ T5859] ? __pfx_panic+0x10/0x10 [ 109.150368][ T5859] ? show_trace_log_lvl+0x4fb/0x550 [ 109.155678][ T5859] __warn+0x31b/0x4b0 [ 109.159771][ T5859] ? ipv6_gso_segment+0x15e2/0x21e0 [ 109.165190][ T5859] ? ipv6_gso_segment+0x15e2/0x21e0 [ 109.170407][ T5859] report_bug+0x2be/0x4f0 [ 109.174757][ T5859] ? ipv6_gso_segment+0x15e2/0x21e0 [ 109.180047][ T5859] ? ipv6_gso_segment+0x15e2/0x21e0 [ 109.185281][ T5859] ? ipv6_gso_segment+0x15e4/0x21e0 [ 109.190584][ T5859] handle_bug+0x84/0x160 [ 109.195123][ T5859] exc_invalid_op+0x1a/0x50 [ 109.199731][ T5859] asm_exc_invalid_op+0x1a/0x20 [ 109.204608][ T5859] RIP: 0010:ipv6_gso_segment+0x15e2/0x21e0 [ 109.210427][ T5859] 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 [ 109.230160][ T5859] RSP: 0018:ffffc900042bed00 EFLAGS: 00010293 [ 109.236421][ T5859] RAX: ffffffff8a3f4d21 RBX: ffffffff8de66da0 RCX: ffff8880345f9e00 [ 109.244494][ T5859] RDX: 0000000000000000 RSI: 00000000000100f4 RDI: 0000000000010000 [ 109.252681][ T5859] RBP: ffffc900042bee30 R08: ffffea0000bfc780 R09: 0000013a000001a7 [ 109.260867][ T5859] R10: ffffea0000bfc780 R11: 0000013a000001a7 R12: 1ffffffff1bccdb4 [ 109.268863][ T5859] R13: ffff888078012140 R14: 00000000000100f4 R15: ffff888078012210 [ 109.276847][ T5859] ? ipv6_gso_segment+0x15e1/0x21e0 [ 109.282074][ T5859] ? __pfx_ipv6_gso_segment+0x10/0x10 [ 109.287485][ T5859] ? __pfx_ipv6_gso_segment+0x10/0x10 [ 109.293173][ T5859] skb_mac_gso_segment+0x31c/0x640 [ 109.298314][ T5859] ? skb_mac_gso_segment+0x17e/0x640 [ 109.303609][ T5859] ? __pfx_skb_mac_gso_segment+0x10/0x10 [ 109.309250][ T5859] ? __lock_acquire+0xab9/0xd20 [ 109.314129][ T5859] nsh_gso_segment+0x54a/0xe10 [ 109.319099][ T5859] ? __pfx_nsh_gso_segment+0x10/0x10 [ 109.324401][ T5859] skb_mac_gso_segment+0x31c/0x640 [ 109.329905][ T5859] ? skb_mac_gso_segment+0x17e/0x640 [ 109.335307][ T5859] ? __pfx_skb_mac_gso_segment+0x10/0x10 [ 109.341146][ T5859] __skb_gso_segment+0x342/0x510 [ 109.346224][ T5859] validate_xmit_skb+0x857/0x11b0 [ 109.351285][ T5859] ? __pfx_validate_xmit_skb+0x10/0x10 [ 109.356780][ T5859] validate_xmit_skb_list+0x84/0x120 [ 109.362097][ T5859] sch_direct_xmit+0xd3/0x4b0 [ 109.366827][ T5859] ? __pfx_sch_direct_xmit+0x10/0x10 [ 109.372148][ T5859] __dev_queue_xmit+0x17b6/0x3a70 [ 109.377218][ T5859] ? __dev_queue_xmit+0x27e/0x3a70 [ 109.382384][ T5859] ? __pskb_pull_tail+0xb59/0x15b0 [ 109.387899][ T5859] ? __asan_memcpy+0x40/0x70 [ 109.392633][ T5859] ? __pfx___dev_queue_xmit+0x10/0x10 [ 109.398037][ T5859] ? skb_partial_csum_set+0x107/0x360 [ 109.403434][ T5859] ? virtio_net_hdr_to_skb+0x9e1/0x1490 [ 109.408983][ T5859] ? packet_parse_headers+0x7ff/0xb60 [ 109.414457][ T5859] ? __pfx_virtio_net_hdr_to_skb+0x10/0x10 [ 109.420383][ T5859] ? packet_xmit+0x68/0x330 [ 109.424915][ T5859] packet_sendmsg+0x3e16/0x5060 [ 109.429785][ T5859] ? aa_bind_mount+0x140/0x590 [ 109.434649][ T5859] ? __pfx___might_resched+0x10/0x10 [ 109.439933][ T5859] ? cpuacct_charge+0x117/0x320 [ 109.444879][ T5859] ? xfd_validate_state+0x6d/0x150 [ 109.450028][ T5859] ? save_fpregs_to_fpstate+0xa3/0x210 [ 109.455594][ T5859] ? __pfx_packet_sendmsg+0x10/0x10 [ 109.460853][ T5859] ? aa_sk_perm+0x81e/0x950 [ 109.465377][ T5859] ? tomoyo_socket_sendmsg_permission+0x1e1/0x300 [ 109.471829][ T5859] ? __lock_acquire+0xab9/0xd20 [ 109.476768][ T5859] ? aa_sock_msg_perm+0x94/0x160 [ 109.481722][ T5859] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 109.487188][ T5859] ? __pfx_packet_sendmsg+0x10/0x10 [ 109.492388][ T5859] __sock_sendmsg+0x21c/0x270 [ 109.497079][ T5859] ____sys_sendmsg+0x505/0x830 [ 109.501939][ T5859] ? __pfx_____sys_sendmsg+0x10/0x10 [ 109.507273][ T5859] ? import_iovec+0x74/0xa0 [ 109.511804][ T5859] ___sys_sendmsg+0x21f/0x2a0 [ 109.516575][ T5859] ? __pfx____sys_sendmsg+0x10/0x10 [ 109.522226][ T5859] ? do_raw_spin_lock+0x121/0x290 [ 109.527277][ T5859] __x64_sys_sendmsg+0x19b/0x260 [ 109.532302][ T5859] ? _raw_spin_unlock_irq+0x2e/0x50 [ 109.537498][ T5859] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 109.543050][ T5859] ? rcu_is_watching+0x15/0xb0 [ 109.547820][ T5859] do_syscall_64+0xfa/0x3b0 [ 109.552333][ T5859] ? lockdep_hardirqs_on+0x9c/0x150 [ 109.557528][ T5859] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.563590][ T5859] ? clear_bhb_loop+0x60/0xb0 [ 109.568266][ T5859] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.574175][ T5859] RIP: 0033:0x7f8c18282859 [ 109.578772][ T5859] 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 [ 109.599012][ T5859] RSP: 002b:00007ffdca44b458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.607613][ T5859] RAX: ffffffffffffffda RBX: 00007f8c182d04ad RCX: 00007f8c18282859 [ 109.615849][ T5859] RDX: 00000000200400c4 RSI: 0000200000000180 RDI: 0000000000000003 [ 109.624370][ T5859] RBP: 00007f8c182d047d R08: 0000555500000000 R09: 0000555500000000 [ 109.632626][ T5859] R10: 0000200000000180 R11: 0000000000000246 R12: 00007f8c182d03e5 [ 109.640700][ T5859] R13: 0000000000000001 R14: 00007ffdca44b4a0 R15: 0000000000000003 [ 109.648694][ T5859] [ 109.651886][ T5859] Kernel Offset: disabled [ 109.656209][ T5859] Rebooting in 86400 seconds..