./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3169722165 <...> Warning: Permanently added '10.128.1.11' (ED25519) to the list of known hosts. execve("./syz-executor3169722165", ["./syz-executor3169722165"], 0x7ffcdeceac90 /* 10 vars */) = 0 brk(NULL) = 0x55556c80a000 brk(0x55556c80ad00) = 0x55556c80ad00 arch_prctl(ARCH_SET_FS, 0x55556c80a380) = 0 set_tid_address(0x55556c80a650) = 5838 set_robust_list(0x55556c80a660, 24) = 0 rseq(0x55556c80aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3169722165", 4096) = 28 getrandom("\x1d\x39\x48\xf4\x7c\x95\x42\xb5", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556c80ad00 brk(0x55556c82bd00) = 0x55556c82bd00 brk(0x55556c82c000) = 0x55556c82c000 mprotect(0x7f748dd7c000, 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 5839 attached [pid 5839] set_robust_list(0x55556c80a660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x55556c80a650) = 5839 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] getppid() = 0 [pid 5839] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5839] unshare(CLONE_NEWNS) = 0 [pid 5839] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5839] unshare(CLONE_NEWIPC) = 0 [pid 5839] unshare(CLONE_NEWCGROUP) = 0 [pid 5839] unshare(CLONE_NEWUTS) = 0 [pid 5839] unshare(CLONE_SYSVSEM) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "16777216", 8) = 8 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "536870912", 9) = 9 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1024", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "8192", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1024", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1024", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5839] close(3) = 0 [pid 5839] getpid() = 1 [pid 5839] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 70 fb ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 35 [ 106.046769][ T5861] RSP: 0018:ffffc90003f7f068 EFLAGS: 00010293 [ 106.053056][ T5861] RAX: ffffffff87048e47 RBX: 0000000000000002 RCX: ffff8880339dbc00 [ 106.061076][ T5861] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 106.069264][ T5861] RBP: dffffc0000000000 R08: ffff888146badc2f R09: 1ffff11028d75b85 [ 106.077346][ T5861] R10: dffffc0000000000 R11: ffffed1028d75b86 R12: ffff888032f28000 [ 106.085528][ T5861] R13: ffffc90003f7f1e0 R14: 0000000000000001 R15: ffffc90003f7f1f8 [ 106.093634][ T5861] FS: 000055556c80a380(0000) GS:ffff888125d57000(0000) knlGS:0000000000000000 [ 106.102636][ T5861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.109337][ T5861] CR2: 0000200000002000 CR3: 0000000077970000 CR4: 00000000003526f0 [ 106.117435][ T5861] Call Trace: [ 106.120769][ T5861] [ 106.123830][ T5861] notifier_call_chain+0x1b3/0x3e0 [ 106.129086][ T5861] ? atomic_notifier_call_chain+0x26/0x180 [ 106.135020][ T5861] atomic_notifier_call_chain+0xda/0x180 [ 106.140705][ T5861] call_fib_notifiers+0x31/0x60 [ 106.145764][ T5861] call_fib6_multipath_entry_notifiers+0xe6/0x150 [ 106.152272][ T5861] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10 [ 106.159439][ T5861] ? inet6_rtm_newroute+0xe8b/0x18c0 [ 106.164877][ T5861] inet6_rtm_newroute+0x12f5/0x18c0 [ 106.170244][ T5861] ? nlmon_xmit+0xb0/0x100 [ 106.174856][ T5861] ? kmem_cache_free+0x18f/0x400 [ 106.179869][ T5861] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 106.185544][ T5861] ? __local_bh_enable_ip+0x12d/0x1c0 [ 106.190993][ T5861] ? __dev_queue_xmit+0x27e/0x3a70 [ 106.196285][ T5861] ? __dev_queue_xmit+0x1cd7/0x3a70 [ 106.201566][ T5861] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 106.207228][ T5861] rtnetlink_rcv_msg+0x7cc/0xb70 [ 106.212237][ T5861] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 106.217464][ T5861] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 106.223030][ T5861] ? ref_tracker_free+0x63a/0x7d0 [ 106.228072][ T5861] ? __copy_skb_header+0xa7/0x550 [ 106.233522][ T5861] ? __pfx_ref_tracker_free+0x10/0x10 [ 106.238945][ T5861] ? __skb_clone+0x63/0x7a0 [ 106.243564][ T5861] netlink_rcv_skb+0x205/0x470 [ 106.248374][ T5861] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 106.254067][ T5861] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 106.259428][ T5861] ? netlink_deliver_tap+0x2e/0x1b0 [ 106.264772][ T5861] ? netlink_deliver_tap+0x2e/0x1b0 [ 106.270044][ T5861] netlink_unicast+0x75c/0x8e0 [ 106.274943][ T5861] netlink_sendmsg+0x805/0xb30 [ 106.279882][ T5861] ? __pfx_netlink_sendmsg+0x10/0x10 [ 106.285312][ T5861] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 106.290644][ T5861] ? __pfx_netlink_sendmsg+0x10/0x10 [ 106.296029][ T5861] __sock_sendmsg+0x21c/0x270 [ 106.300858][ T5861] ____sys_sendmsg+0x505/0x830 [ 106.305741][ T5861] ? __pfx_____sys_sendmsg+0x10/0x10 [ 106.311082][ T5861] ? import_iovec+0x74/0xa0 [ 106.315680][ T5861] ___sys_sendmsg+0x21f/0x2a0 [ 106.320409][ T5861] ? __pfx____sys_sendmsg+0x10/0x10 [ 106.325737][ T5861] ? do_raw_spin_lock+0x121/0x290 [ 106.330837][ T5861] __x64_sys_sendmsg+0x19b/0x260 [ 106.336042][ T5861] ? _raw_spin_unlock_irq+0x2e/0x50 [ 106.341295][ T5861] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 106.346876][ T5861] ? rcu_is_watching+0x15/0xb0 [ 106.351691][ T5861] do_syscall_64+0xfa/0x3b0 [ 106.356272][ T5861] ? lockdep_hardirqs_on+0x9c/0x150 [ 106.361508][ T5861] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 106.367680][ T5861] ? clear_bhb_loop+0x60/0xb0 [ 106.372405][ T5861] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 106.378690][ T5861] RIP: 0033:0x7f748dd03fe9 [ 106.383233][ T5861] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 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 [ 106.403062][ T5861] RSP: 002b:00007ffe9910b088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.411543][ T5861] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f748dd03fe9 [ 106.419742][ T5861] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003 [ 106.427812][ T5861] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 106.435924][ T5861] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 106.444161][ T5861] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 106.452180][ T5861] [ 106.455300][ T5861] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 106.462845][ T5861] CPU: 1 UID: 0 PID: 5861 Comm: syz-executor316 Not tainted 6.16.0-syzkaller #0 PREEMPT(full) [ 106.473218][ T5861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 106.483314][ T5861] Call Trace: [ 106.486656][ T5861] [ 106.489844][ T5861] dump_stack_lvl+0x99/0x250 [ 106.494497][ T5861] ? __asan_memcpy+0x40/0x70 [ 106.499145][ T5861] ? __pfx_dump_stack_lvl+0x10/0x10 [ 106.504461][ T5861] ? __pfx__printk+0x10/0x10 [ 106.509123][ T5861] panic+0x2db/0x790 [ 106.513060][ T5861] ? __pfx_panic+0x10/0x10 [ 106.517559][ T5861] ? show_trace_log_lvl+0x4fb/0x550 [ 106.523005][ T5861] __warn+0x31b/0x4b0 [ 106.527023][ T5861] ? nsim_fib_event_nb+0xed8/0x1080 [ 106.532249][ T5861] ? nsim_fib_event_nb+0xed8/0x1080 [ 106.537485][ T5861] report_bug+0x2be/0x4f0 [ 106.541938][ T5861] ? nsim_fib_event_nb+0xed8/0x1080 [ 106.547179][ T5861] ? nsim_fib_event_nb+0xed8/0x1080 [ 106.552485][ T5861] ? nsim_fib_event_nb+0xeda/0x1080 [ 106.557892][ T5861] handle_bug+0x84/0x160 [ 106.562161][ T5861] exc_invalid_op+0x1a/0x50 [ 106.566740][ T5861] asm_exc_invalid_op+0x1a/0x20 [ 106.571623][ T5861] RIP: 0010:nsim_fib_event_nb+0xed8/0x1080 [ 106.577456][ T5861] Code: fa be 02 00 00 00 eb 0a e8 95 97 bb fa be 01 00 00 00 4c 89 f7 e8 08 c2 b4 fd 4c 8b 64 24 08 e9 91 f4 ff ff e8 79 97 bb fa 90 <0f> 0b 90 e9 70 fb ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 35 [ 106.597365][ T5861] RSP: 0018:ffffc90003f7f068 EFLAGS: 00010293 [ 106.603460][ T5861] RAX: ffffffff87048e47 RBX: 0000000000000002 RCX: ffff8880339dbc00 [ 106.611490][ T5861] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 106.619480][ T5861] RBP: dffffc0000000000 R08: ffff888146badc2f R09: 1ffff11028d75b85 [ 106.627481][ T5861] R10: dffffc0000000000 R11: ffffed1028d75b86 R12: ffff888032f28000 [ 106.635713][ T5861] R13: ffffc90003f7f1e0 R14: 0000000000000001 R15: ffffc90003f7f1f8 [ 106.644112][ T5861] ? nsim_fib_event_nb+0xed7/0x1080 [ 106.649368][ T5861] ? nsim_fib_event_nb+0xed7/0x1080 [ 106.654881][ T5861] notifier_call_chain+0x1b3/0x3e0 [ 106.660056][ T5861] ? atomic_notifier_call_chain+0x26/0x180 [ 106.665887][ T5861] atomic_notifier_call_chain+0xda/0x180 [ 106.671642][ T5861] call_fib_notifiers+0x31/0x60 [ 106.676614][ T5861] call_fib6_multipath_entry_notifiers+0xe6/0x150 [ 106.683087][ T5861] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10 [ 106.690252][ T5861] ? inet6_rtm_newroute+0xe8b/0x18c0 [ 106.695591][ T5861] inet6_rtm_newroute+0x12f5/0x18c0 [ 106.700825][ T5861] ? nlmon_xmit+0xb0/0x100 [ 106.705267][ T5861] ? kmem_cache_free+0x18f/0x400 [ 106.710230][ T5861] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 106.715805][ T5861] ? __local_bh_enable_ip+0x12d/0x1c0 [ 106.721215][ T5861] ? __dev_queue_xmit+0x27e/0x3a70 [ 106.726358][ T5861] ? __dev_queue_xmit+0x1cd7/0x3a70 [ 106.731686][ T5861] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 106.737260][ T5861] rtnetlink_rcv_msg+0x7cc/0xb70 [ 106.742246][ T5861] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 106.747419][ T5861] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 106.752907][ T5861] ? ref_tracker_free+0x63a/0x7d0 [ 106.758044][ T5861] ? __copy_skb_header+0xa7/0x550 [ 106.763102][ T5861] ? __pfx_ref_tracker_free+0x10/0x10 [ 106.768578][ T5861] ? __skb_clone+0x63/0x7a0 [ 106.773110][ T5861] netlink_rcv_skb+0x205/0x470 [ 106.777997][ T5861] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 106.783486][ T5861] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 106.788804][ T5861] ? netlink_deliver_tap+0x2e/0x1b0 [ 106.794024][ T5861] ? netlink_deliver_tap+0x2e/0x1b0 [ 106.799256][ T5861] netlink_unicast+0x75c/0x8e0 [ 106.804143][ T5861] netlink_sendmsg+0x805/0xb30 [ 106.808943][ T5861] ? __pfx_netlink_sendmsg+0x10/0x10 [ 106.814353][ T5861] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 106.819862][ T5861] ? __pfx_netlink_sendmsg+0x10/0x10 [ 106.825261][ T5861] __sock_sendmsg+0x21c/0x270 [ 106.830160][ T5861] ____sys_sendmsg+0x505/0x830 [ 106.834957][ T5861] ? __pfx_____sys_sendmsg+0x10/0x10 [ 106.840296][ T5861] ? import_iovec+0x74/0xa0 [ 106.844859][ T5861] ___sys_sendmsg+0x21f/0x2a0 [ 106.849667][ T5861] ? __pfx____sys_sendmsg+0x10/0x10 [ 106.855107][ T5861] ? do_raw_spin_lock+0x121/0x290 [ 106.860366][ T5861] __x64_sys_sendmsg+0x19b/0x260 [ 106.865345][ T5861] ? _raw_spin_unlock_irq+0x2e/0x50 [ 106.870591][ T5861] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 106.876100][ T5861] ? rcu_is_watching+0x15/0xb0 [ 106.880918][ T5861] do_syscall_64+0xfa/0x3b0 [ 106.885442][ T5861] ? lockdep_hardirqs_on+0x9c/0x150 [ 106.890658][ T5861] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 106.896827][ T5861] ? clear_bhb_loop+0x60/0xb0 [ 106.901620][ T5861] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 106.907548][ T5861] RIP: 0033:0x7f748dd03fe9 [ 106.911980][ T5861] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 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 [ 106.931800][ T5861] RSP: 002b:00007ffe9910b088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.940242][ T5861] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f748dd03fe9 [ 106.948235][ T5861] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003 [ 106.956313][ T5861] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 106.964307][ T5861] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 106.972299][ T5861] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 106.980497][ T5861] [ 106.983995][ T5861] Kernel Offset: disabled [ 106.988461][ T5861] Rebooting in 86400 seconds..