./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1459357838 <...> Warning: Permanently added '10.128.10.62' (ED25519) to the list of known hosts. execve("./syz-executor1459357838", ["./syz-executor1459357838"], 0x7ffc43016de0 /* 10 vars */) = 0 brk(NULL) = 0x5555717dd000 brk(0x5555717ddd00) = 0x5555717ddd00 arch_prctl(ARCH_SET_FS, 0x5555717dd380) = 0 set_tid_address(0x5555717dd650) = 5829 set_robust_list(0x5555717dd660, 24) = 0 rseq(0x5555717ddca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1459357838", 4096) = 28 getrandom("\x4b\xb3\x94\xd6\xa8\x61\xd0\x81", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555717ddd00 brk(0x5555717fed00) = 0x5555717fed00 brk(0x5555717ff000) = 0x5555717ff000 mprotect(0x7f6f1fa5f000, 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 5830 attached [pid 5830] set_robust_list(0x5555717dd660, 24 [pid 5829] <... clone resumed>, child_tidptr=0x5555717dd650) = 5830 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] getppid() = 0 [pid 5830] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5830] unshare(CLONE_NEWNS) = 0 [pid 5830] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5830] unshare(CLONE_NEWIPC) = 0 [pid 5830] unshare(CLONE_NEWCGROUP) = 0 [pid 5830] unshare(CLONE_NEWUTS) = 0 [pid 5830] unshare(CLONE_SYSVSEM) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "16777216", 8) = 8 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "536870912", 9) = 9 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1024", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "8192", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1024", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1024", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5830] close(3) = 0 [pid 5830] getpid() = 1 [pid 5830] 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 [ 104.774294][ T5830] RSP: 0018:ffffc900043cf028 EFLAGS: 00010293 [ 104.780399][ T5830] RAX: ffffffff87001b77 RBX: 0000000000000002 RCX: ffff88802cd05a00 [ 104.788421][ T5830] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 104.796445][ T5830] RBP: dffffc0000000000 R08: ffff888144f88c2f R09: 1ffff110289f1185 [ 104.804495][ T5830] R10: dffffc0000000000 R11: ffffed10289f1186 R12: ffff888075e42000 [ 104.812514][ T5830] R13: ffffc900043cf1a0 R14: 0000000000000001 R15: ffffc900043cf1b8 [ 104.820535][ T5830] FS: 00005555717dd380(0000) GS:ffff8881261c4000(0000) knlGS:0000000000000000 [ 104.829534][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.836315][ T5830] CR2: 00007f8cddec8ae0 CR3: 0000000079bbe000 CR4: 00000000003526f0 [ 104.844367][ T5830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 104.852379][ T5830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 104.860432][ T5830] Call Trace: [ 104.863744][ T5830] [ 104.866763][ T5830] notifier_call_chain+0x1b3/0x3e0 [ 104.871961][ T5830] ? atomic_notifier_call_chain+0x26/0x180 [ 104.877968][ T5830] atomic_notifier_call_chain+0xda/0x180 [ 104.883827][ T5830] call_fib_notifiers+0x31/0x60 [ 104.888783][ T5830] call_fib6_multipath_entry_notifiers+0xe6/0x150 [ 104.895392][ T5830] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10 [ 104.902430][ T5830] ? inet6_rtm_newroute+0x77f/0x1c70 [ 104.907785][ T5830] inet6_rtm_newroute+0x1a0c/0x1c70 [ 104.913031][ T5830] ? inet6_rtm_newroute+0x77f/0x1c70 [ 104.918444][ T5830] ? lockdep_hardirqs_on+0x9c/0x150 [ 104.923951][ T5830] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 104.929565][ T5830] ? kmem_cache_free+0x192/0x3f0 [ 104.934657][ T5830] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 104.940256][ T5830] rtnetlink_rcv_msg+0x7cc/0xb70 [ 104.945253][ T5830] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 104.950413][ T5830] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 104.955939][ T5830] ? ref_tracker_free+0x63a/0x7d0 [ 104.961002][ T5830] ? __copy_skb_header+0xa7/0x550 [ 104.966097][ T5830] netlink_rcv_skb+0x219/0x490 [ 104.970891][ T5830] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 104.976416][ T5830] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 104.981751][ T5830] ? netlink_deliver_tap+0x2e/0x1b0 [ 104.987030][ T5830] ? netlink_deliver_tap+0x2e/0x1b0 [ 104.992360][ T5830] netlink_unicast+0x758/0x8d0 [ 104.997346][ T5830] netlink_sendmsg+0x805/0xb30 [ 105.002274][ T5830] ? __pfx_netlink_sendmsg+0x10/0x10 [ 105.007648][ T5830] ? aa_sock_msg_perm+0x94/0x160 [ 105.012631][ T5830] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 105.018029][ T5830] ? __pfx_netlink_sendmsg+0x10/0x10 [ 105.023324][ T5830] __sock_sendmsg+0x219/0x270 [ 105.028075][ T5830] ____sys_sendmsg+0x505/0x830 [ 105.032879][ T5830] ? __pfx_____sys_sendmsg+0x10/0x10 [ 105.038247][ T5830] ? import_iovec+0x74/0xa0 [ 105.042831][ T5830] ___sys_sendmsg+0x21f/0x2a0 [ 105.047573][ T5830] ? __pfx____sys_sendmsg+0x10/0x10 [ 105.052835][ T5830] ? do_raw_spin_lock+0x121/0x290 [ 105.057946][ T5830] ? _raw_spin_lock_irq+0xae/0xf0 [ 105.063139][ T5830] __x64_sys_sendmsg+0x19b/0x260 [ 105.068177][ T5830] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 105.073695][ T5830] do_syscall_64+0xf6/0x210 [ 105.078283][ T5830] ? clear_bhb_loop+0x45/0xa0 [ 105.083000][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 105.088956][ T5830] RIP: 0033:0x7f6f1f9e6999 [ 105.093408][ T5830] 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 [ 105.113105][ T5830] RSP: 002b:00007ffe2c413b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.121623][ T5830] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007f6f1f9e6999 [ 105.129760][ T5830] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003 [ 105.137809][ T5830] RBP: 0000000000000000 R08: 0000555500000000 R09: 0000555500000000 [ 105.145894][ T5830] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 105.153889][ T5830] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 105.162193][ T5830] [ 105.165290][ T5830] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 105.172642][ T5830] CPU: 1 UID: 0 PID: 5830 Comm: syz-executor145 Not tainted 6.15.0-rc3-syzkaller-00644-gdeeed351e982 #0 PREEMPT(full) [ 105.185084][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 105.195162][ T5830] Call Trace: [ 105.198449][ T5830] [ 105.201393][ T5830] dump_stack_lvl+0x99/0x250 [ 105.206002][ T5830] ? __asan_memcpy+0x40/0x70 [ 105.210600][ T5830] ? __pfx_dump_stack_lvl+0x10/0x10 [ 105.215909][ T5830] ? __pfx__printk+0x10/0x10 [ 105.220515][ T5830] panic+0x2db/0x790 [ 105.224441][ T5830] ? __pfx_panic+0x10/0x10 [ 105.228884][ T5830] ? show_trace_log_lvl+0x4fb/0x550 [ 105.234103][ T5830] __warn+0x31b/0x4b0 [ 105.238106][ T5830] ? nsim_fib_event_nb+0xed8/0x1080 [ 105.243317][ T5830] ? nsim_fib_event_nb+0xed8/0x1080 [ 105.248522][ T5830] report_bug+0x2be/0x4f0 [ 105.252863][ T5830] ? nsim_fib_event_nb+0xed8/0x1080 [ 105.258077][ T5830] ? nsim_fib_event_nb+0xed8/0x1080 [ 105.263295][ T5830] ? nsim_fib_event_nb+0xeda/0x1080 [ 105.268512][ T5830] handle_bug+0x84/0x160 [ 105.272766][ T5830] exc_invalid_op+0x1a/0x50 [ 105.277294][ T5830] asm_exc_invalid_op+0x1a/0x20 [ 105.282154][ T5830] RIP: 0010:nsim_fib_event_nb+0xed8/0x1080 [ 105.287975][ T5830] Code: fa be 02 00 00 00 eb 0a e8 25 a2 bf fa be 01 00 00 00 4c 89 f7 e8 38 e6 b7 fd 4c 8b 64 24 08 e9 91 f4 ff ff e8 09 a2 bf fa 90 <0f> 0b 90 e9 70 fb ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 35 [ 105.307594][ T5830] RSP: 0018:ffffc900043cf028 EFLAGS: 00010293 [ 105.313680][ T5830] RAX: ffffffff87001b77 RBX: 0000000000000002 RCX: ffff88802cd05a00 [ 105.321680][ T5830] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 105.329672][ T5830] RBP: dffffc0000000000 R08: ffff888144f88c2f R09: 1ffff110289f1185 [ 105.337656][ T5830] R10: dffffc0000000000 R11: ffffed10289f1186 R12: ffff888075e42000 [ 105.345639][ T5830] R13: ffffc900043cf1a0 R14: 0000000000000001 R15: ffffc900043cf1b8 [ 105.353634][ T5830] ? nsim_fib_event_nb+0xed7/0x1080 [ 105.358862][ T5830] ? nsim_fib_event_nb+0xed7/0x1080 [ 105.364084][ T5830] notifier_call_chain+0x1b3/0x3e0 [ 105.369235][ T5830] ? atomic_notifier_call_chain+0x26/0x180 [ 105.375066][ T5830] atomic_notifier_call_chain+0xda/0x180 [ 105.380759][ T5830] call_fib_notifiers+0x31/0x60 [ 105.385634][ T5830] call_fib6_multipath_entry_notifiers+0xe6/0x150 [ 105.392076][ T5830] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10 [ 105.399143][ T5830] ? inet6_rtm_newroute+0x77f/0x1c70 [ 105.404477][ T5830] inet6_rtm_newroute+0x1a0c/0x1c70 [ 105.409768][ T5830] ? inet6_rtm_newroute+0x77f/0x1c70 [ 105.415180][ T5830] ? lockdep_hardirqs_on+0x9c/0x150 [ 105.420414][ T5830] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 105.425985][ T5830] ? kmem_cache_free+0x192/0x3f0 [ 105.430982][ T5830] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 105.436607][ T5830] rtnetlink_rcv_msg+0x7cc/0xb70 [ 105.441593][ T5830] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 105.446734][ T5830] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 105.452234][ T5830] ? ref_tracker_free+0x63a/0x7d0 [ 105.457282][ T5830] ? __copy_skb_header+0xa7/0x550 [ 105.462337][ T5830] netlink_rcv_skb+0x219/0x490 [ 105.467122][ T5830] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 105.472595][ T5830] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 105.477915][ T5830] ? netlink_deliver_tap+0x2e/0x1b0 [ 105.483127][ T5830] ? netlink_deliver_tap+0x2e/0x1b0 [ 105.488340][ T5830] netlink_unicast+0x758/0x8d0 [ 105.493136][ T5830] netlink_sendmsg+0x805/0xb30 [ 105.497921][ T5830] ? __pfx_netlink_sendmsg+0x10/0x10 [ 105.503217][ T5830] ? aa_sock_msg_perm+0x94/0x160 [ 105.508194][ T5830] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 105.513577][ T5830] ? __pfx_netlink_sendmsg+0x10/0x10 [ 105.518876][ T5830] __sock_sendmsg+0x219/0x270 [ 105.523579][ T5830] ____sys_sendmsg+0x505/0x830 [ 105.528367][ T5830] ? __pfx_____sys_sendmsg+0x10/0x10 [ 105.533674][ T5830] ? import_iovec+0x74/0xa0 [ 105.538197][ T5830] ___sys_sendmsg+0x21f/0x2a0 [ 105.542891][ T5830] ? __pfx____sys_sendmsg+0x10/0x10 [ 105.548115][ T5830] ? do_raw_spin_lock+0x121/0x290 [ 105.553168][ T5830] ? _raw_spin_lock_irq+0xae/0xf0 [ 105.558234][ T5830] __x64_sys_sendmsg+0x19b/0x260 [ 105.563198][ T5830] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 105.568693][ T5830] do_syscall_64+0xf6/0x210 [ 105.573221][ T5830] ? clear_bhb_loop+0x45/0xa0 [ 105.577914][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 105.583821][ T5830] RIP: 0033:0x7f6f1f9e6999 [ 105.588248][ T5830] 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 [ 105.607981][ T5830] RSP: 002b:00007ffe2c413b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.616410][ T5830] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007f6f1f9e6999 [ 105.624402][ T5830] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003 [ 105.632387][ T5830] RBP: 0000000000000000 R08: 0000555500000000 R09: 0000555500000000 [ 105.640369][ T5830] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 105.648354][ T5830] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 105.656398][ T5830] [ 105.659766][ T5830] Kernel Offset: disabled [ 105.664101][ T5830] Rebooting in 86400 seconds..