./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2503929920 <...> Warning: Permanently added '10.128.1.196' (ED25519) to the list of known hosts. execve("./syz-executor2503929920", ["./syz-executor2503929920"], 0x7ffe27a338b0 /* 10 vars */) = 0 brk(NULL) = 0x55558053a000 brk(0x55558053ad00) = 0x55558053ad00 arch_prctl(ARCH_SET_FS, 0x55558053a380) = 0 set_tid_address(0x55558053a650) = 5851 set_robust_list(0x55558053a660, 24) = 0 rseq(0x55558053aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2503929920", 4096) = 28 getrandom("\x3b\x7e\x7d\xf9\x07\xd0\xb8\x46", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558053ad00 brk(0x55558055bd00) = 0x55558055bd00 brk(0x55558055c000) = 0x55558055c000 mprotect(0x7ff79d373000, 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 5852 attached [pid 5852] set_robust_list(0x55558053a660, 24 [pid 5851] <... clone resumed>, child_tidptr=0x55558053a650) = 5852 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5852] getppid() = 0 [pid 5852] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5852] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5852] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5852] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5852] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5852] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5852] unshare(CLONE_NEWNS) = 0 [pid 5852] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5852] unshare(CLONE_NEWIPC) = 0 [pid 5852] unshare(CLONE_NEWCGROUP) = 0 [pid 5852] unshare(CLONE_NEWUTS) = 0 [pid 5852] unshare(CLONE_SYSVSEM) = 0 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "16777216", 8) = 8 [pid 5852] close(3) = 0 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "536870912", 9) = 9 [pid 5852] close(3) = 0 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "1024", 4) = 4 [pid 5852] close(3) = 0 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "8192", 4) = 4 [pid 5852] close(3) = 0 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "1024", 4) = 4 [pid 5852] close(3) = 0 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "1024", 4) = 4 [pid 5852] close(3) = 0 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5852] close(3) = 0 [pid 5852] getpid() = 1 [pid 5852] 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 [ 89.068814][ T5852] RSP: 0018:ffffc90003eded00 EFLAGS: 00010293 [ 89.075327][ T5852] RAX: ffffffff8a3f4d21 RBX: ffffffff8de66da0 RCX: ffff88802ae83c00 [ 89.083799][ T5852] RDX: 0000000000000000 RSI: 00000000000100f4 RDI: 0000000000010000 [ 89.092192][ T5852] RBP: ffffc90003edee30 R08: ffffea0001e3ee40 R09: 0000013a000001a7 [ 89.100312][ T5852] R10: ffffea0001e3ee40 R11: 0000013a000001a7 R12: 1ffffffff1bccdb4 [ 89.108709][ T5852] R13: ffff88807856f280 R14: 00000000000100f4 R15: ffff88807856f350 [ 89.117181][ T5852] FS: 000055558053a380(0000) GS:ffff888125c23000(0000) knlGS:0000000000000000 [ 89.126549][ T5852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.133712][ T5852] CR2: 0000200000010000 CR3: 0000000074e02000 CR4: 00000000003526f0 [ 89.142272][ T5852] Call Trace: [ 89.145573][ T5852] [ 89.148661][ T5852] ? __pfx_ipv6_gso_segment+0x10/0x10 [ 89.154165][ T5852] ? __pfx_ipv6_gso_segment+0x10/0x10 [ 89.159949][ T5852] skb_mac_gso_segment+0x31c/0x640 [ 89.165513][ T5852] ? skb_mac_gso_segment+0x17e/0x640 [ 89.170880][ T5852] ? __pfx_skb_mac_gso_segment+0x10/0x10 [ 89.176834][ T5852] ? __lock_acquire+0xab9/0xd20 [ 89.181907][ T5852] nsh_gso_segment+0x54a/0xe10 [ 89.186968][ T5852] ? __pfx_nsh_gso_segment+0x10/0x10 [ 89.192897][ T5852] skb_mac_gso_segment+0x31c/0x640 [ 89.198481][ T5852] ? skb_mac_gso_segment+0x17e/0x640 [ 89.204425][ T5852] ? __pfx_skb_mac_gso_segment+0x10/0x10 [ 89.210746][ T5852] __skb_gso_segment+0x342/0x510 [ 89.216058][ T5852] validate_xmit_skb+0x857/0x11b0 [ 89.221393][ T5852] ? __pfx_validate_xmit_skb+0x10/0x10 [ 89.226964][ T5852] validate_xmit_skb_list+0x84/0x120 [ 89.232575][ T5852] sch_direct_xmit+0xd3/0x4b0 [ 89.237370][ T5852] ? __pfx_sch_direct_xmit+0x10/0x10 [ 89.243375][ T5852] __dev_queue_xmit+0x17b6/0x3a70 [ 89.248935][ T5852] ? __dev_queue_xmit+0x27e/0x3a70 [ 89.254379][ T5852] ? __pskb_pull_tail+0xb59/0x15b0 [ 89.259944][ T5852] ? __asan_memcpy+0x40/0x70 [ 89.264864][ T5852] ? __pfx___dev_queue_xmit+0x10/0x10 [ 89.270603][ T5852] ? skb_partial_csum_set+0x107/0x360 [ 89.276992][ T5852] ? virtio_net_hdr_to_skb+0x9e1/0x1490 [ 89.282910][ T5852] ? packet_parse_headers+0x7ff/0xb60 [ 89.288780][ T5852] ? __pfx_virtio_net_hdr_to_skb+0x10/0x10 [ 89.295364][ T5852] ? packet_xmit+0x68/0x330 [ 89.300403][ T5852] packet_sendmsg+0x3e16/0x5060 [ 89.305997][ T5852] ? aa_bind_mount+0x140/0x590 [ 89.311088][ T5852] ? __pfx___might_resched+0x10/0x10 [ 89.317028][ T5852] ? cpuacct_charge+0x117/0x320 [ 89.322971][ T5852] ? xfd_validate_state+0x6d/0x150 [ 89.329032][ T5852] ? save_fpregs_to_fpstate+0xa3/0x210 [ 89.335142][ T5852] ? __pfx_packet_sendmsg+0x10/0x10 [ 89.342135][ T5852] ? aa_sk_perm+0x81e/0x950 [ 89.348050][ T5852] ? tomoyo_socket_sendmsg_permission+0x1e1/0x300 [ 89.356245][ T5852] ? __lock_acquire+0xab9/0xd20 [ 89.361862][ T5852] ? aa_sock_msg_perm+0x94/0x160 [ 89.367267][ T5852] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 89.372885][ T5852] ? __pfx_packet_sendmsg+0x10/0x10 [ 89.378522][ T5852] __sock_sendmsg+0x21c/0x270 [ 89.384201][ T5852] ____sys_sendmsg+0x505/0x830 [ 89.389315][ T5852] ? __pfx_____sys_sendmsg+0x10/0x10 [ 89.394878][ T5852] ? import_iovec+0x74/0xa0 [ 89.399486][ T5852] ___sys_sendmsg+0x21f/0x2a0 [ 89.404372][ T5852] ? __pfx____sys_sendmsg+0x10/0x10 [ 89.409938][ T5852] ? do_raw_spin_lock+0x121/0x290 [ 89.415485][ T5852] __x64_sys_sendmsg+0x19b/0x260 [ 89.421073][ T5852] ? _raw_spin_unlock_irq+0x2e/0x50 [ 89.426830][ T5852] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 89.432716][ T5852] ? rcu_is_watching+0x15/0xb0 [ 89.437827][ T5852] do_syscall_64+0xfa/0x3b0 [ 89.442674][ T5852] ? lockdep_hardirqs_on+0x9c/0x150 [ 89.448201][ T5852] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.454839][ T5852] ? clear_bhb_loop+0x60/0xb0 [ 89.459899][ T5852] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.466387][ T5852] RIP: 0033:0x7ff79d2fa859 [ 89.471123][ T5852] 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 [ 89.492063][ T5852] RSP: 002b:00007ffc43bd1e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 89.501072][ T5852] RAX: ffffffffffffffda RBX: 00007ff79d3484ad RCX: 00007ff79d2fa859 [ 89.509397][ T5852] RDX: 00000000200400c4 RSI: 0000200000000180 RDI: 0000000000000003 [ 89.517816][ T5852] RBP: 00007ff79d34847d R08: 0000555500000000 R09: 0000555500000000 [ 89.526160][ T5852] R10: 0000200000000180 R11: 0000000000000246 R12: 00007ff79d3483e5 [ 89.534465][ T5852] R13: 0000000000000001 R14: 00007ffc43bd1eb0 R15: 0000000000000003 [ 89.542811][ T5852] [ 89.545908][ T5852] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 89.554292][ T5852] CPU: 0 UID: 0 PID: 5852 Comm: syz-executor250 Not tainted 6.16.0-rc6-syzkaller-g7abc678e3084 #0 PREEMPT(full) [ 89.567073][ T5852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 89.577668][ T5852] Call Trace: [ 89.581317][ T5852] [ 89.584449][ T5852] dump_stack_lvl+0x99/0x250 [ 89.589154][ T5852] ? __asan_memcpy+0x40/0x70 [ 89.594216][ T5852] ? __pfx_dump_stack_lvl+0x10/0x10 [ 89.599883][ T5852] ? __pfx__printk+0x10/0x10 [ 89.604750][ T5852] panic+0x2db/0x790 [ 89.609018][ T5852] ? __pfx_panic+0x10/0x10 [ 89.613549][ T5852] ? show_trace_log_lvl+0x4fb/0x550 [ 89.619015][ T5852] __warn+0x31b/0x4b0 [ 89.623008][ T5852] ? ipv6_gso_segment+0x15e2/0x21e0 [ 89.628427][ T5852] ? ipv6_gso_segment+0x15e2/0x21e0 [ 89.633826][ T5852] report_bug+0x2be/0x4f0 [ 89.638334][ T5852] ? ipv6_gso_segment+0x15e2/0x21e0 [ 89.644007][ T5852] ? ipv6_gso_segment+0x15e2/0x21e0 [ 89.649616][ T5852] ? ipv6_gso_segment+0x15e4/0x21e0 [ 89.655130][ T5852] handle_bug+0x84/0x160 [ 89.660172][ T5852] exc_invalid_op+0x1a/0x50 [ 89.665132][ T5852] asm_exc_invalid_op+0x1a/0x20 [ 89.671631][ T5852] RIP: 0010:ipv6_gso_segment+0x15e2/0x21e0 [ 89.677637][ T5852] 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 [ 89.697951][ T5852] RSP: 0018:ffffc90003eded00 EFLAGS: 00010293 [ 89.704209][ T5852] RAX: ffffffff8a3f4d21 RBX: ffffffff8de66da0 RCX: ffff88802ae83c00 [ 89.712372][ T5852] RDX: 0000000000000000 RSI: 00000000000100f4 RDI: 0000000000010000 [ 89.720766][ T5852] RBP: ffffc90003edee30 R08: ffffea0001e3ee40 R09: 0000013a000001a7 [ 89.729197][ T5852] R10: ffffea0001e3ee40 R11: 0000013a000001a7 R12: 1ffffffff1bccdb4 [ 89.737446][ T5852] R13: ffff88807856f280 R14: 00000000000100f4 R15: ffff88807856f350 [ 89.745707][ T5852] ? ipv6_gso_segment+0x15e1/0x21e0 [ 89.751017][ T5852] ? __pfx_ipv6_gso_segment+0x10/0x10 [ 89.756417][ T5852] ? __pfx_ipv6_gso_segment+0x10/0x10 [ 89.762396][ T5852] skb_mac_gso_segment+0x31c/0x640 [ 89.767630][ T5852] ? skb_mac_gso_segment+0x17e/0x640 [ 89.772962][ T5852] ? __pfx_skb_mac_gso_segment+0x10/0x10 [ 89.778787][ T5852] ? __lock_acquire+0xab9/0xd20 [ 89.783920][ T5852] nsh_gso_segment+0x54a/0xe10 [ 89.788831][ T5852] ? __pfx_nsh_gso_segment+0x10/0x10 [ 89.794143][ T5852] skb_mac_gso_segment+0x31c/0x640 [ 89.799740][ T5852] ? skb_mac_gso_segment+0x17e/0x640 [ 89.805206][ T5852] ? __pfx_skb_mac_gso_segment+0x10/0x10 [ 89.811122][ T5852] __skb_gso_segment+0x342/0x510 [ 89.816285][ T5852] validate_xmit_skb+0x857/0x11b0 [ 89.822060][ T5852] ? __pfx_validate_xmit_skb+0x10/0x10 [ 89.828201][ T5852] validate_xmit_skb_list+0x84/0x120 [ 89.833775][ T5852] sch_direct_xmit+0xd3/0x4b0 [ 89.838689][ T5852] ? __pfx_sch_direct_xmit+0x10/0x10 [ 89.844170][ T5852] __dev_queue_xmit+0x17b6/0x3a70 [ 89.849402][ T5852] ? __dev_queue_xmit+0x27e/0x3a70 [ 89.855055][ T5852] ? __pskb_pull_tail+0xb59/0x15b0 [ 89.860356][ T5852] ? __asan_memcpy+0x40/0x70 [ 89.865060][ T5852] ? __pfx___dev_queue_xmit+0x10/0x10 [ 89.870816][ T5852] ? skb_partial_csum_set+0x107/0x360 [ 89.876212][ T5852] ? virtio_net_hdr_to_skb+0x9e1/0x1490 [ 89.881877][ T5852] ? packet_parse_headers+0x7ff/0xb60 [ 89.887362][ T5852] ? __pfx_virtio_net_hdr_to_skb+0x10/0x10 [ 89.893803][ T5852] ? packet_xmit+0x68/0x330 [ 89.898796][ T5852] packet_sendmsg+0x3e16/0x5060 [ 89.903860][ T5852] ? aa_bind_mount+0x140/0x590 [ 89.909276][ T5852] ? __pfx___might_resched+0x10/0x10 [ 89.914676][ T5852] ? cpuacct_charge+0x117/0x320 [ 89.919721][ T5852] ? xfd_validate_state+0x6d/0x150 [ 89.925205][ T5852] ? save_fpregs_to_fpstate+0xa3/0x210 [ 89.931477][ T5852] ? __pfx_packet_sendmsg+0x10/0x10 [ 89.937206][ T5852] ? aa_sk_perm+0x81e/0x950 [ 89.941995][ T5852] ? tomoyo_socket_sendmsg_permission+0x1e1/0x300 [ 89.948851][ T5852] ? __lock_acquire+0xab9/0xd20 [ 89.953813][ T5852] ? aa_sock_msg_perm+0x94/0x160 [ 89.959378][ T5852] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 89.964797][ T5852] ? __pfx_packet_sendmsg+0x10/0x10 [ 89.970033][ T5852] __sock_sendmsg+0x21c/0x270 [ 89.974994][ T5852] ____sys_sendmsg+0x505/0x830 [ 89.979953][ T5852] ? __pfx_____sys_sendmsg+0x10/0x10 [ 89.985570][ T5852] ? import_iovec+0x74/0xa0 [ 89.990126][ T5852] ___sys_sendmsg+0x21f/0x2a0 [ 89.994827][ T5852] ? __pfx____sys_sendmsg+0x10/0x10 [ 90.000482][ T5852] ? do_raw_spin_lock+0x121/0x290 [ 90.005795][ T5852] __x64_sys_sendmsg+0x19b/0x260 [ 90.010996][ T5852] ? _raw_spin_unlock_irq+0x2e/0x50 [ 90.016308][ T5852] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 90.021965][ T5852] ? rcu_is_watching+0x15/0xb0 [ 90.026854][ T5852] do_syscall_64+0xfa/0x3b0 [ 90.031461][ T5852] ? lockdep_hardirqs_on+0x9c/0x150 [ 90.036837][ T5852] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.043037][ T5852] ? clear_bhb_loop+0x60/0xb0 [ 90.047993][ T5852] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.054327][ T5852] RIP: 0033:0x7ff79d2fa859 [ 90.058780][ T5852] 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 [ 90.079245][ T5852] RSP: 002b:00007ffc43bd1e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 90.088098][ T5852] RAX: ffffffffffffffda RBX: 00007ff79d3484ad RCX: 00007ff79d2fa859 [ 90.096430][ T5852] RDX: 00000000200400c4 RSI: 0000200000000180 RDI: 0000000000000003 [ 90.105060][ T5852] RBP: 00007ff79d34847d R08: 0000555500000000 R09: 0000555500000000 [ 90.113215][ T5852] R10: 0000200000000180 R11: 0000000000000246 R12: 00007ff79d3483e5 [ 90.121662][ T5852] R13: 0000000000000001 R14: 00007ffc43bd1eb0 R15: 0000000000000003 [ 90.130541][ T5852] [ 90.136264][ T5852] Kernel Offset: disabled [ 90.140795][ T5852] Rebooting in 86400 seconds..