./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor175212665 <...> Warning: Permanently added '10.128.10.22' (ED25519) to the list of known hosts. execve("./syz-executor175212665", ["./syz-executor175212665"], 0x7ffc47f85140 /* 10 vars */) = 0 brk(NULL) = 0x55556b771000 brk(0x55556b771d00) = 0x55556b771d00 arch_prctl(ARCH_SET_FS, 0x55556b771380) = 0 set_tid_address(0x55556b771650) = 5827 set_robust_list(0x55556b771660, 24) = 0 rseq(0x55556b771ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor175212665", 4096) = 27 getrandom("\x52\x26\x43\x2e\xae\xdf\x64\xb5", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556b771d00 brk(0x55556b792d00) = 0x55556b792d00 brk(0x55556b793000) = 0x55556b793000 mprotect(0x7f1be3931000, 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 5828 attached , child_tidptr=0x55556b771650) = 5828 [pid 5828] set_robust_list(0x55556b771660, 24) = 0 [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5828] getppid() = 0 [pid 5828] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5828] unshare(CLONE_NEWNS) = 0 [pid 5828] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5828] unshare(CLONE_NEWIPC) = 0 [pid 5828] unshare(CLONE_NEWCGROUP) = 0 [pid 5828] unshare(CLONE_NEWUTS) = 0 [pid 5828] unshare(CLONE_SYSVSEM) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "16777216", 8) = 8 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "536870912", 9) = 9 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1024", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "8192", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1024", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1024", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5828] close(3) = 0 [pid 5828] getpid() = 1 [pid 5828] 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 [ 102.050973][ T5828] RSP: 0018:ffffc90003e3f028 EFLAGS: 00010293 [ 102.057208][ T5828] RAX: ffffffff87001b77 RBX: 0000000000000002 RCX: ffff88802f790000 [ 102.065216][ T5828] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 102.073319][ T5828] RBP: dffffc0000000000 R08: ffff88807b7a182f R09: 1ffff1100f6f4305 [ 102.081350][ T5828] R10: dffffc0000000000 R11: ffffed100f6f4306 R12: ffff888023e36000 [ 102.089362][ T5828] R13: ffffc90003e3f1a0 R14: 0000000000000001 R15: ffffc90003e3f1b8 [ 102.097385][ T5828] FS: 000055556b771380(0000) GS:ffff8881261c4000(0000) knlGS:0000000000000000 [ 102.106333][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.113049][ T5828] CR2: 0000000000000000 CR3: 0000000078578000 CR4: 00000000003526f0 [ 102.121062][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 102.129084][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 102.137112][ T5828] Call Trace: [ 102.140410][ T5828] [ 102.143347][ T5828] notifier_call_chain+0x1b3/0x3e0 [ 102.148687][ T5828] ? atomic_notifier_call_chain+0x26/0x180 [ 102.154523][ T5828] atomic_notifier_call_chain+0xda/0x180 [ 102.160211][ T5828] call_fib_notifiers+0x31/0x60 [ 102.165091][ T5828] call_fib6_multipath_entry_notifiers+0xe6/0x150 [ 102.171560][ T5828] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10 [ 102.178632][ T5828] ? inet6_rtm_newroute+0x77f/0x1c70 [ 102.183932][ T5828] inet6_rtm_newroute+0x1a0c/0x1c70 [ 102.189217][ T5828] ? inet6_rtm_newroute+0x77f/0x1c70 [ 102.194544][ T5828] ? lockdep_hardirqs_on+0x9c/0x150 [ 102.199827][ T5828] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 102.205433][ T5828] ? kmem_cache_free+0x192/0x3f0 [ 102.210481][ T5828] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 102.216042][ T5828] rtnetlink_rcv_msg+0x7cc/0xb70 [ 102.221035][ T5828] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 102.226176][ T5828] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 102.231830][ T5828] ? ref_tracker_free+0x63a/0x7d0 [ 102.236928][ T5828] ? __copy_skb_header+0xa7/0x550 [ 102.242002][ T5828] netlink_rcv_skb+0x219/0x490 [ 102.246899][ T5828] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 102.252698][ T5828] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 102.258113][ T5828] ? netlink_deliver_tap+0x2e/0x1b0 [ 102.263345][ T5828] ? netlink_deliver_tap+0x2e/0x1b0 [ 102.268773][ T5828] netlink_unicast+0x758/0x8d0 [ 102.273599][ T5828] netlink_sendmsg+0x805/0xb30 [ 102.278791][ T5828] ? __pfx_netlink_sendmsg+0x10/0x10 [ 102.284286][ T5828] ? aa_sock_msg_perm+0x94/0x160 [ 102.289468][ T5828] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 102.294797][ T5828] ? __pfx_netlink_sendmsg+0x10/0x10 [ 102.300953][ T5828] __sock_sendmsg+0x219/0x270 [ 102.306885][ T5828] ____sys_sendmsg+0x505/0x830 [ 102.312509][ T5828] ? __pfx_____sys_sendmsg+0x10/0x10 [ 102.318123][ T5828] ? import_iovec+0x74/0xa0 [ 102.322680][ T5828] ___sys_sendmsg+0x21f/0x2a0 [ 102.328100][ T5828] ? __pfx____sys_sendmsg+0x10/0x10 [ 102.333319][ T5828] ? do_raw_spin_lock+0x121/0x290 [ 102.338411][ T5828] ? _raw_spin_lock_irq+0xae/0xf0 [ 102.343479][ T5828] __x64_sys_sendmsg+0x19b/0x260 [ 102.348478][ T5828] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 102.354018][ T5828] do_syscall_64+0xf6/0x210 [ 102.358761][ T5828] ? clear_bhb_loop+0x45/0xa0 [ 102.363504][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 102.369524][ T5828] RIP: 0033:0x7f1be38b8999 [ 102.376745][ T5828] 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 [ 102.396987][ T5828] RSP: 002b:00007fffdad299f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 102.407567][ T5828] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007f1be38b8999 [ 102.416487][ T5828] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003 [ 102.424854][ T5828] RBP: 0000000000000000 R08: 0000555500000000 R09: 0000555500000000 [ 102.433212][ T5828] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 102.441527][ T5828] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 102.449724][ T5828] [ 102.452768][ T5828] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 102.460242][ T5828] CPU: 1 UID: 0 PID: 5828 Comm: syz-executor175 Not tainted 6.15.0-rc3-syzkaller-00644-gdeeed351e982 #0 PREEMPT(full) [ 102.472681][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 102.482769][ T5828] Call Trace: [ 102.486078][ T5828] [ 102.489049][ T5828] dump_stack_lvl+0x99/0x250 [ 102.493688][ T5828] ? __asan_memcpy+0x40/0x70 [ 102.498314][ T5828] ? __pfx_dump_stack_lvl+0x10/0x10 [ 102.503661][ T5828] ? __pfx__printk+0x10/0x10 [ 102.508480][ T5828] panic+0x2db/0x790 [ 102.512682][ T5828] ? __pfx_panic+0x10/0x10 [ 102.517220][ T5828] ? show_trace_log_lvl+0x4fb/0x550 [ 102.522480][ T5828] __warn+0x31b/0x4b0 [ 102.526503][ T5828] ? nsim_fib_event_nb+0xed8/0x1080 [ 102.531747][ T5828] ? nsim_fib_event_nb+0xed8/0x1080 [ 102.536975][ T5828] report_bug+0x2be/0x4f0 [ 102.541338][ T5828] ? nsim_fib_event_nb+0xed8/0x1080 [ 102.546548][ T5828] ? nsim_fib_event_nb+0xed8/0x1080 [ 102.551756][ T5828] ? nsim_fib_event_nb+0xeda/0x1080 [ 102.557069][ T5828] handle_bug+0x84/0x160 [ 102.561318][ T5828] exc_invalid_op+0x1a/0x50 [ 102.565848][ T5828] asm_exc_invalid_op+0x1a/0x20 [ 102.570708][ T5828] RIP: 0010:nsim_fib_event_nb+0xed8/0x1080 [ 102.576617][ T5828] 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 [ 102.596246][ T5828] RSP: 0018:ffffc90003e3f028 EFLAGS: 00010293 [ 102.602328][ T5828] RAX: ffffffff87001b77 RBX: 0000000000000002 RCX: ffff88802f790000 [ 102.610398][ T5828] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 102.618375][ T5828] RBP: dffffc0000000000 R08: ffff88807b7a182f R09: 1ffff1100f6f4305 [ 102.626446][ T5828] R10: dffffc0000000000 R11: ffffed100f6f4306 R12: ffff888023e36000 [ 102.634609][ T5828] R13: ffffc90003e3f1a0 R14: 0000000000000001 R15: ffffc90003e3f1b8 [ 102.642707][ T5828] ? nsim_fib_event_nb+0xed7/0x1080 [ 102.647925][ T5828] ? nsim_fib_event_nb+0xed7/0x1080 [ 102.653148][ T5828] notifier_call_chain+0x1b3/0x3e0 [ 102.658362][ T5828] ? atomic_notifier_call_chain+0x26/0x180 [ 102.664177][ T5828] atomic_notifier_call_chain+0xda/0x180 [ 102.669818][ T5828] call_fib_notifiers+0x31/0x60 [ 102.674673][ T5828] call_fib6_multipath_entry_notifiers+0xe6/0x150 [ 102.681123][ T5828] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10 [ 102.688160][ T5828] ? inet6_rtm_newroute+0x77f/0x1c70 [ 102.693464][ T5828] inet6_rtm_newroute+0x1a0c/0x1c70 [ 102.698685][ T5828] ? inet6_rtm_newroute+0x77f/0x1c70 [ 102.703983][ T5828] ? lockdep_hardirqs_on+0x9c/0x150 [ 102.709224][ T5828] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 102.714785][ T5828] ? kmem_cache_free+0x192/0x3f0 [ 102.720050][ T5828] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 102.726215][ T5828] rtnetlink_rcv_msg+0x7cc/0xb70 [ 102.731163][ T5828] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 102.736278][ T5828] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 102.741752][ T5828] ? ref_tracker_free+0x63a/0x7d0 [ 102.746784][ T5828] ? __copy_skb_header+0xa7/0x550 [ 102.751835][ T5828] netlink_rcv_skb+0x219/0x490 [ 102.756605][ T5828] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 102.762073][ T5828] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 102.767377][ T5828] ? netlink_deliver_tap+0x2e/0x1b0 [ 102.772575][ T5828] ? netlink_deliver_tap+0x2e/0x1b0 [ 102.777791][ T5828] netlink_unicast+0x758/0x8d0 [ 102.782578][ T5828] netlink_sendmsg+0x805/0xb30 [ 102.787358][ T5828] ? __pfx_netlink_sendmsg+0x10/0x10 [ 102.792655][ T5828] ? aa_sock_msg_perm+0x94/0x160 [ 102.797599][ T5828] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 102.802889][ T5828] ? __pfx_netlink_sendmsg+0x10/0x10 [ 102.808181][ T5828] __sock_sendmsg+0x219/0x270 [ 102.812910][ T5828] ____sys_sendmsg+0x505/0x830 [ 102.817687][ T5828] ? __pfx_____sys_sendmsg+0x10/0x10 [ 102.822985][ T5828] ? import_iovec+0x74/0xa0 [ 102.827520][ T5828] ___sys_sendmsg+0x21f/0x2a0 [ 102.832207][ T5828] ? __pfx____sys_sendmsg+0x10/0x10 [ 102.837415][ T5828] ? do_raw_spin_lock+0x121/0x290 [ 102.842486][ T5828] ? _raw_spin_lock_irq+0xae/0xf0 [ 102.847540][ T5828] __x64_sys_sendmsg+0x19b/0x260 [ 102.852503][ T5828] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 102.858089][ T5828] do_syscall_64+0xf6/0x210 [ 102.862631][ T5828] ? clear_bhb_loop+0x45/0xa0 [ 102.867321][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 102.873224][ T5828] RIP: 0033:0x7f1be38b8999 [ 102.877650][ T5828] 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 [ 102.897378][ T5828] RSP: 002b:00007fffdad299f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 102.905800][ T5828] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007f1be38b8999 [ 102.913783][ T5828] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003 [ 102.921761][ T5828] RBP: 0000000000000000 R08: 0000555500000000 R09: 0000555500000000 [ 102.929749][ T5828] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 102.937726][ T5828] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 102.945721][ T5828] [ 102.949014][ T5828] Kernel Offset: disabled [ 102.953340][ T5828] Rebooting in 86400 seconds..