./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1868695646 <...> Warning: Permanently added '10.128.0.232' (ED25519) to the list of known hosts. execve("./syz-executor1868695646", ["./syz-executor1868695646"], 0x7ffd49240580 /* 10 vars */) = 0 brk(NULL) = 0x555575da2000 brk(0x555575da2d00) = 0x555575da2d00 arch_prctl(ARCH_SET_FS, 0x555575da2380) = 0 set_tid_address(0x555575da2650) = 5828 set_robust_list(0x555575da2660, 24) = 0 rseq(0x555575da2ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1868695646", 4096) = 28 getrandom("\x6d\xc2\x6a\x7f\xf2\x3e\x82\x22", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555575da2d00 brk(0x555575dc3d00) = 0x555575dc3d00 brk(0x555575dc4000) = 0x555575dc4000 mprotect(0x7f461822d000, 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 5829 attached [pid 5829] set_robust_list(0x555575da2660, 24 [pid 5828] <... clone resumed>, child_tidptr=0x555575da2650) = 5829 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5829] getppid() = 0 [pid 5829] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5829] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5829] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5829] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5829] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5829] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5829] unshare(CLONE_NEWNS) = 0 [pid 5829] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5829] unshare(CLONE_NEWIPC) = 0 [pid 5829] unshare(CLONE_NEWCGROUP) = 0 [pid 5829] unshare(CLONE_NEWUTS) = 0 [pid 5829] unshare(CLONE_SYSVSEM) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "16777216", 8) = 8 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "536870912", 9) = 9 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "1024", 4) = 4 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "8192", 4) = 4 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "1024", 4) = 4 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "1024", 4) = 4 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5829] close(3) = 0 [pid 5829] getpid() = 1 [pid 5829] 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 [ 97.042008][ T5829] RSP: 0018:ffffc900041cf028 EFLAGS: 00010293 [ 97.048151][ T5829] RAX: ffffffff87001b77 RBX: 0000000000000002 RCX: ffff88802eae5a00 [ 97.056224][ T5829] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 97.064274][ T5829] RBP: dffffc0000000000 R08: ffff88814531b82f R09: 1ffff11028a63705 [ 97.072290][ T5829] R10: dffffc0000000000 R11: ffffed1028a63706 R12: ffff888072a40000 [ 97.080370][ T5829] R13: ffffc900041cf1a0 R14: 0000000000000001 R15: ffffc900041cf1b8 [ 97.088478][ T5829] FS: 0000555575da2380(0000) GS:ffff8881260c4000(0000) knlGS:0000000000000000 [ 97.097513][ T5829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.104192][ T5829] CR2: 0000000000000000 CR3: 000000007504c000 CR4: 00000000003526f0 [ 97.112197][ T5829] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 97.120247][ T5829] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 97.128277][ T5829] Call Trace: [ 97.131570][ T5829] [ 97.134617][ T5829] notifier_call_chain+0x1b3/0x3e0 [ 97.139769][ T5829] ? atomic_notifier_call_chain+0x26/0x180 [ 97.145635][ T5829] atomic_notifier_call_chain+0xda/0x180 [ 97.151318][ T5829] call_fib_notifiers+0x31/0x60 [ 97.156250][ T5829] call_fib6_multipath_entry_notifiers+0xe6/0x150 [ 97.162697][ T5829] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10 [ 97.170602][ T5829] ? inet6_rtm_newroute+0x77f/0x1c70 [ 97.176184][ T5829] inet6_rtm_newroute+0x1a0c/0x1c70 [ 97.181431][ T5829] ? inet6_rtm_newroute+0x77f/0x1c70 [ 97.186998][ T5829] ? lockdep_hardirqs_on+0x9c/0x150 [ 97.192246][ T5829] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 97.197918][ T5829] ? kmem_cache_free+0x192/0x3f0 [ 97.202964][ T5829] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 97.208585][ T5829] rtnetlink_rcv_msg+0x7cc/0xb70 [ 97.213570][ T5829] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 97.218767][ T5829] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 97.224312][ T5829] ? ref_tracker_free+0x63a/0x7d0 [ 97.229362][ T5829] ? __copy_skb_header+0xa7/0x550 [ 97.234485][ T5829] netlink_rcv_skb+0x219/0x490 [ 97.239284][ T5829] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 97.245044][ T5829] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 97.250420][ T5829] ? netlink_deliver_tap+0x2e/0x1b0 [ 97.255723][ T5829] ? netlink_deliver_tap+0x2e/0x1b0 [ 97.260950][ T5829] netlink_unicast+0x758/0x8d0 [ 97.265818][ T5829] netlink_sendmsg+0x805/0xb30 [ 97.270619][ T5829] ? __pfx_netlink_sendmsg+0x10/0x10 [ 97.276004][ T5829] ? aa_sock_msg_perm+0x94/0x160 [ 97.280965][ T5829] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 97.286314][ T5829] ? __pfx_netlink_sendmsg+0x10/0x10 [ 97.291622][ T5829] __sock_sendmsg+0x219/0x270 [ 97.296381][ T5829] ____sys_sendmsg+0x505/0x830 [ 97.301184][ T5829] ? __pfx_____sys_sendmsg+0x10/0x10 [ 97.306547][ T5829] ? import_iovec+0x74/0xa0 [ 97.311082][ T5829] ___sys_sendmsg+0x21f/0x2a0 [ 97.315854][ T5829] ? __pfx____sys_sendmsg+0x10/0x10 [ 97.321091][ T5829] ? do_raw_spin_lock+0x121/0x290 [ 97.326271][ T5829] ? _raw_spin_lock_irq+0xae/0xf0 [ 97.331369][ T5829] __x64_sys_sendmsg+0x19b/0x260 [ 97.336417][ T5829] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 97.341941][ T5829] do_syscall_64+0xf6/0x210 [ 97.346511][ T5829] ? clear_bhb_loop+0x45/0xa0 [ 97.351215][ T5829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.357190][ T5829] RIP: 0033:0x7f46181b4999 [ 97.361639][ T5829] 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 [ 97.381337][ T5829] RSP: 002b:00007fffb449d8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.390106][ T5829] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007f46181b4999 [ 97.398246][ T5829] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003 [ 97.406319][ T5829] RBP: 0000000000000000 R08: 0000555500000000 R09: 0000555500000000 [ 97.414368][ T5829] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 97.422354][ T5829] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 97.430395][ T5829] [ 97.433445][ T5829] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 97.440726][ T5829] CPU: 0 UID: 0 PID: 5829 Comm: syz-executor186 Not tainted 6.15.0-rc3-syzkaller-00644-gdeeed351e982 #0 PREEMPT(full) [ 97.453133][ T5829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 97.463189][ T5829] Call Trace: [ 97.466493][ T5829] [ 97.469420][ T5829] dump_stack_lvl+0x99/0x250 [ 97.474019][ T5829] ? __asan_memcpy+0x40/0x70 [ 97.478633][ T5829] ? __pfx_dump_stack_lvl+0x10/0x10 [ 97.483851][ T5829] ? __pfx__printk+0x10/0x10 [ 97.488462][ T5829] panic+0x2db/0x790 [ 97.492381][ T5829] ? __pfx_panic+0x10/0x10 [ 97.496813][ T5829] ? show_trace_log_lvl+0x4fb/0x550 [ 97.502041][ T5829] __warn+0x31b/0x4b0 [ 97.506034][ T5829] ? nsim_fib_event_nb+0xed8/0x1080 [ 97.511238][ T5829] ? nsim_fib_event_nb+0xed8/0x1080 [ 97.516452][ T5829] report_bug+0x2be/0x4f0 [ 97.520792][ T5829] ? nsim_fib_event_nb+0xed8/0x1080 [ 97.525995][ T5829] ? nsim_fib_event_nb+0xed8/0x1080 [ 97.531197][ T5829] ? nsim_fib_event_nb+0xeda/0x1080 [ 97.536406][ T5829] handle_bug+0x84/0x160 [ 97.540663][ T5829] exc_invalid_op+0x1a/0x50 [ 97.545181][ T5829] asm_exc_invalid_op+0x1a/0x20 [ 97.550039][ T5829] RIP: 0010:nsim_fib_event_nb+0xed8/0x1080 [ 97.555849][ T5829] 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 [ 97.575470][ T5829] RSP: 0018:ffffc900041cf028 EFLAGS: 00010293 [ 97.581550][ T5829] RAX: ffffffff87001b77 RBX: 0000000000000002 RCX: ffff88802eae5a00 [ 97.589530][ T5829] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 97.597510][ T5829] RBP: dffffc0000000000 R08: ffff88814531b82f R09: 1ffff11028a63705 [ 97.605507][ T5829] R10: dffffc0000000000 R11: ffffed1028a63706 R12: ffff888072a40000 [ 97.613571][ T5829] R13: ffffc900041cf1a0 R14: 0000000000000001 R15: ffffc900041cf1b8 [ 97.621556][ T5829] ? nsim_fib_event_nb+0xed7/0x1080 [ 97.626771][ T5829] ? nsim_fib_event_nb+0xed7/0x1080 [ 97.631986][ T5829] notifier_call_chain+0x1b3/0x3e0 [ 97.637111][ T5829] ? atomic_notifier_call_chain+0x26/0x180 [ 97.642931][ T5829] atomic_notifier_call_chain+0xda/0x180 [ 97.648570][ T5829] call_fib_notifiers+0x31/0x60 [ 97.653427][ T5829] call_fib6_multipath_entry_notifiers+0xe6/0x150 [ 97.659855][ T5829] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10 [ 97.666898][ T5829] ? inet6_rtm_newroute+0x77f/0x1c70 [ 97.672200][ T5829] inet6_rtm_newroute+0x1a0c/0x1c70 [ 97.677418][ T5829] ? inet6_rtm_newroute+0x77f/0x1c70 [ 97.682717][ T5829] ? lockdep_hardirqs_on+0x9c/0x150 [ 97.687950][ T5829] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 97.693511][ T5829] ? kmem_cache_free+0x192/0x3f0 [ 97.698506][ T5829] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 97.704065][ T5829] rtnetlink_rcv_msg+0x7cc/0xb70 [ 97.709011][ T5829] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 97.714141][ T5829] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 97.719611][ T5829] ? ref_tracker_free+0x63a/0x7d0 [ 97.724638][ T5829] ? __copy_skb_header+0xa7/0x550 [ 97.729679][ T5829] netlink_rcv_skb+0x219/0x490 [ 97.734457][ T5829] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 97.739940][ T5829] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 97.745252][ T5829] ? netlink_deliver_tap+0x2e/0x1b0 [ 97.750456][ T5829] ? netlink_deliver_tap+0x2e/0x1b0 [ 97.755665][ T5829] netlink_unicast+0x758/0x8d0 [ 97.760453][ T5829] netlink_sendmsg+0x805/0xb30 [ 97.765230][ T5829] ? __pfx_netlink_sendmsg+0x10/0x10 [ 97.770521][ T5829] ? aa_sock_msg_perm+0x94/0x160 [ 97.775464][ T5829] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 97.780754][ T5829] ? __pfx_netlink_sendmsg+0x10/0x10 [ 97.786047][ T5829] __sock_sendmsg+0x219/0x270 [ 97.790743][ T5829] ____sys_sendmsg+0x505/0x830 [ 97.795523][ T5829] ? __pfx_____sys_sendmsg+0x10/0x10 [ 97.800823][ T5829] ? import_iovec+0x74/0xa0 [ 97.805340][ T5829] ___sys_sendmsg+0x21f/0x2a0 [ 97.810027][ T5829] ? __pfx____sys_sendmsg+0x10/0x10 [ 97.815239][ T5829] ? do_raw_spin_lock+0x121/0x290 [ 97.820284][ T5829] ? _raw_spin_lock_irq+0xae/0xf0 [ 97.825338][ T5829] __x64_sys_sendmsg+0x19b/0x260 [ 97.830290][ T5829] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 97.835778][ T5829] do_syscall_64+0xf6/0x210 [ 97.840302][ T5829] ? clear_bhb_loop+0x45/0xa0 [ 97.844989][ T5829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.850943][ T5829] RIP: 0033:0x7f46181b4999 [ 97.855366][ T5829] 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 [ 97.874978][ T5829] RSP: 002b:00007fffb449d8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.883510][ T5829] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007f46181b4999 [ 97.891489][ T5829] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003 [ 97.899489][ T5829] RBP: 0000000000000000 R08: 0000555500000000 R09: 0000555500000000 [ 97.907465][ T5829] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 97.915533][ T5829] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 97.923528][ T5829] [ 97.926867][ T5829] Kernel Offset: disabled [ 97.931201][ T5829] Rebooting in 86400 seconds..