./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1756404532 <...> Warning: Permanently added '10.128.0.10' (ED25519) to the list of known hosts. execve("./syz-executor1756404532", ["./syz-executor1756404532"], 0x7ffe193ab9e0 /* 10 vars */) = 0 brk(NULL) = 0x5555830fa000 brk(0x5555830fad00) = 0x5555830fad00 arch_prctl(ARCH_SET_FS, 0x5555830fa380) = 0 set_tid_address(0x5555830fa650) = 5821 set_robust_list(0x5555830fa660, 24) = 0 rseq(0x5555830faca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1756404532", 4096) = 28 getrandom("\xe1\xe2\x6a\xf8\xcb\x63\x23\x6e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555830fad00 brk(0x55558311bd00) = 0x55558311bd00 brk(0x55558311c000) = 0x55558311c000 mprotect(0x7f6d92006000, 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 5822 attached [pid 5822] set_robust_list(0x5555830fa660, 24 [pid 5821] <... clone resumed>, child_tidptr=0x5555830fa650) = 5822 [pid 5822] <... set_robust_list resumed>) = 0 [pid 5822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5822] getppid() = 0 [pid 5822] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5822] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5822] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5822] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5822] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5822] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5822] unshare(CLONE_NEWNS) = 0 [pid 5822] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5822] unshare(CLONE_NEWIPC) = 0 [pid 5822] unshare(CLONE_NEWCGROUP) = 0 [pid 5822] unshare(CLONE_NEWUTS) = 0 [pid 5822] unshare(CLONE_SYSVSEM) = 0 [pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5822] write(3, "16777216", 8) = 8 [pid 5822] close(3) = 0 [pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5822] write(3, "536870912", 9) = 9 [pid 5822] close(3) = 0 [pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5822] write(3, "1024", 4) = 4 [pid 5822] close(3) = 0 [pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5822] write(3, "8192", 4) = 4 [pid 5822] close(3) = 0 [pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5822] write(3, "1024", 4) = 4 [pid 5822] close(3) = 0 [pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5822] write(3, "1024", 4) = 4 [pid 5822] close(3) = 0 [pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5822] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5822] close(3) = 0 [pid 5822] getpid() = 1 [pid 5822] 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 [ 86.251849][ T5822] RSP: 0018:ffffc90003fff028 EFLAGS: 00010293 [ 86.257943][ T5822] RAX: ffffffff87001b77 RBX: 0000000000000002 RCX: ffff88802d180000 [ 86.265943][ T5822] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 86.273970][ T5822] RBP: dffffc0000000000 R08: ffff888078d6642f R09: 1ffff1100f1acc85 [ 86.281940][ T5822] R10: dffffc0000000000 R11: ffffed100f1acc86 R12: ffff888072f34000 [ 86.289932][ T5822] R13: ffffc90003fff1a0 R14: 0000000000000001 R15: ffffc90003fff1b8 [ 86.297947][ T5822] FS: 00005555830fa380(0000) GS:ffff8881260c4000(0000) knlGS:0000000000000000 [ 86.306933][ T5822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.313519][ T5822] CR2: 0000000000000000 CR3: 000000007d7da000 CR4: 00000000003526f0 [ 86.321532][ T5822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 86.329527][ T5822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 86.337522][ T5822] Call Trace: [ 86.340808][ T5822] [ 86.343805][ T5822] notifier_call_chain+0x1b3/0x3e0 [ 86.348929][ T5822] ? atomic_notifier_call_chain+0x26/0x180 [ 86.354775][ T5822] atomic_notifier_call_chain+0xda/0x180 [ 86.360409][ T5822] call_fib_notifiers+0x31/0x60 [ 86.365281][ T5822] call_fib6_multipath_entry_notifiers+0xe6/0x150 [ 86.371697][ T5822] ? lockdep_hardirqs_on+0x9c/0x150 [ 86.376977][ T5822] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10 [ 86.384029][ T5822] ? inet6_rtm_newroute+0x77f/0x1c70 [ 86.389304][ T5822] inet6_rtm_newroute+0x1a0c/0x1c70 [ 86.394536][ T5822] ? inet6_rtm_newroute+0x77f/0x1c70 [ 86.399830][ T5822] ? lockdep_hardirqs_on+0x9c/0x150 [ 86.405052][ T5822] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 86.410602][ T5822] ? kmem_cache_free+0x192/0x3f0 [ 86.415620][ T5822] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 86.421174][ T5822] rtnetlink_rcv_msg+0x7cc/0xb70 [ 86.426156][ T5822] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 86.431265][ T5822] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 86.437075][ T5822] ? ref_tracker_free+0x63a/0x7d0 [ 86.442114][ T5822] ? __copy_skb_header+0xa7/0x550 [ 86.447232][ T5822] netlink_rcv_skb+0x219/0x490 [ 86.452006][ T5822] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 86.457506][ T5822] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 86.462802][ T5822] ? netlink_deliver_tap+0x2e/0x1b0 [ 86.468033][ T5822] ? netlink_deliver_tap+0x2e/0x1b0 [ 86.473232][ T5822] netlink_unicast+0x758/0x8d0 [ 86.478058][ T5822] netlink_sendmsg+0x805/0xb30 [ 86.482825][ T5822] ? __pfx_netlink_sendmsg+0x10/0x10 [ 86.488138][ T5822] ? aa_sock_msg_perm+0x94/0x160 [ 86.493083][ T5822] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 86.498389][ T5822] ? __pfx_netlink_sendmsg+0x10/0x10 [ 86.503719][ T5822] __sock_sendmsg+0x219/0x270 [ 86.508412][ T5822] ____sys_sendmsg+0x505/0x830 [ 86.513168][ T5822] ? __pfx_____sys_sendmsg+0x10/0x10 [ 86.518489][ T5822] ? import_iovec+0x74/0xa0 [ 86.522996][ T5822] ___sys_sendmsg+0x21f/0x2a0 [ 86.527703][ T5822] ? __pfx____sys_sendmsg+0x10/0x10 [ 86.532905][ T5822] ? do_raw_spin_lock+0x121/0x290 [ 86.537966][ T5822] ? _raw_spin_lock_irq+0xae/0xf0 [ 86.543007][ T5822] __x64_sys_sendmsg+0x19b/0x260 [ 86.547972][ T5822] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 86.553444][ T5822] do_syscall_64+0xf6/0x210 [ 86.557978][ T5822] ? clear_bhb_loop+0x45/0xa0 [ 86.562658][ T5822] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.568586][ T5822] RIP: 0033:0x7f6d91f8d999 [ 86.573023][ T5822] 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 [ 86.592704][ T5822] RSP: 002b:00007fff05e7f5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 86.601303][ T5822] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007f6d91f8d999 [ 86.609334][ T5822] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003 [ 86.617414][ T5822] RBP: 0000000000000000 R08: 0000555500000000 R09: 0000555500000000 [ 86.625419][ T5822] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.633388][ T5822] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 86.641409][ T5822] [ 86.644470][ T5822] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 86.651732][ T5822] CPU: 0 UID: 0 PID: 5822 Comm: syz-executor175 Not tainted 6.15.0-rc3-syzkaller-00644-gdeeed351e982 #0 PREEMPT(full) [ 86.664115][ T5822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 86.674154][ T5822] Call Trace: [ 86.677417][ T5822] [ 86.680328][ T5822] dump_stack_lvl+0x99/0x250 [ 86.684906][ T5822] ? __asan_memcpy+0x40/0x70 [ 86.689478][ T5822] ? __pfx_dump_stack_lvl+0x10/0x10 [ 86.694658][ T5822] ? __pfx__printk+0x10/0x10 [ 86.699236][ T5822] panic+0x2db/0x790 [ 86.703113][ T5822] ? __pfx_panic+0x10/0x10 [ 86.707523][ T5822] ? show_trace_log_lvl+0x4fb/0x550 [ 86.712756][ T5822] __warn+0x31b/0x4b0 [ 86.716745][ T5822] ? nsim_fib_event_nb+0xed8/0x1080 [ 86.721935][ T5822] ? nsim_fib_event_nb+0xed8/0x1080 [ 86.727157][ T5822] report_bug+0x2be/0x4f0 [ 86.731480][ T5822] ? nsim_fib_event_nb+0xed8/0x1080 [ 86.736662][ T5822] ? nsim_fib_event_nb+0xed8/0x1080 [ 86.741847][ T5822] ? nsim_fib_event_nb+0xeda/0x1080 [ 86.747030][ T5822] handle_bug+0x84/0x160 [ 86.751274][ T5822] exc_invalid_op+0x1a/0x50 [ 86.755778][ T5822] asm_exc_invalid_op+0x1a/0x20 [ 86.760616][ T5822] RIP: 0010:nsim_fib_event_nb+0xed8/0x1080 [ 86.766413][ T5822] 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 [ 86.786012][ T5822] RSP: 0018:ffffc90003fff028 EFLAGS: 00010293 [ 86.792073][ T5822] RAX: ffffffff87001b77 RBX: 0000000000000002 RCX: ffff88802d180000 [ 86.800030][ T5822] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 86.807985][ T5822] RBP: dffffc0000000000 R08: ffff888078d6642f R09: 1ffff1100f1acc85 [ 86.815940][ T5822] R10: dffffc0000000000 R11: ffffed100f1acc86 R12: ffff888072f34000 [ 86.823897][ T5822] R13: ffffc90003fff1a0 R14: 0000000000000001 R15: ffffc90003fff1b8 [ 86.831857][ T5822] ? nsim_fib_event_nb+0xed7/0x1080 [ 86.837050][ T5822] ? nsim_fib_event_nb+0xed7/0x1080 [ 86.842239][ T5822] notifier_call_chain+0x1b3/0x3e0 [ 86.847336][ T5822] ? atomic_notifier_call_chain+0x26/0x180 [ 86.853128][ T5822] atomic_notifier_call_chain+0xda/0x180 [ 86.858749][ T5822] call_fib_notifiers+0x31/0x60 [ 86.863596][ T5822] call_fib6_multipath_entry_notifiers+0xe6/0x150 [ 86.869999][ T5822] ? lockdep_hardirqs_on+0x9c/0x150 [ 86.875191][ T5822] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10 [ 86.882206][ T5822] ? inet6_rtm_newroute+0x77f/0x1c70 [ 86.887482][ T5822] inet6_rtm_newroute+0x1a0c/0x1c70 [ 86.892671][ T5822] ? inet6_rtm_newroute+0x77f/0x1c70 [ 86.897942][ T5822] ? lockdep_hardirqs_on+0x9c/0x150 [ 86.903129][ T5822] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 86.908663][ T5822] ? kmem_cache_free+0x192/0x3f0 [ 86.913631][ T5822] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 86.919166][ T5822] rtnetlink_rcv_msg+0x7cc/0xb70 [ 86.924093][ T5822] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 86.929191][ T5822] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 86.934634][ T5822] ? ref_tracker_free+0x63a/0x7d0 [ 86.939643][ T5822] ? __copy_skb_header+0xa7/0x550 [ 86.944661][ T5822] netlink_rcv_skb+0x219/0x490 [ 86.949411][ T5822] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 86.954857][ T5822] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 86.960138][ T5822] ? netlink_deliver_tap+0x2e/0x1b0 [ 86.965318][ T5822] ? netlink_deliver_tap+0x2e/0x1b0 [ 86.970504][ T5822] netlink_unicast+0x758/0x8d0 [ 86.975269][ T5822] netlink_sendmsg+0x805/0xb30 [ 86.980026][ T5822] ? __pfx_netlink_sendmsg+0x10/0x10 [ 86.985298][ T5822] ? aa_sock_msg_perm+0x94/0x160 [ 86.990221][ T5822] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 86.995491][ T5822] ? __pfx_netlink_sendmsg+0x10/0x10 [ 87.000761][ T5822] __sock_sendmsg+0x219/0x270 [ 87.005433][ T5822] ____sys_sendmsg+0x505/0x830 [ 87.010192][ T5822] ? __pfx_____sys_sendmsg+0x10/0x10 [ 87.015470][ T5822] ? import_iovec+0x74/0xa0 [ 87.019961][ T5822] ___sys_sendmsg+0x21f/0x2a0 [ 87.024626][ T5822] ? __pfx____sys_sendmsg+0x10/0x10 [ 87.029816][ T5822] ? do_raw_spin_lock+0x121/0x290 [ 87.034837][ T5822] ? _raw_spin_lock_irq+0xae/0xf0 [ 87.039863][ T5822] __x64_sys_sendmsg+0x19b/0x260 [ 87.044787][ T5822] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 87.050249][ T5822] do_syscall_64+0xf6/0x210 [ 87.054748][ T5822] ? clear_bhb_loop+0x45/0xa0 [ 87.059412][ T5822] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.065293][ T5822] RIP: 0033:0x7f6d91f8d999 [ 87.069696][ T5822] 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 [ 87.089288][ T5822] RSP: 002b:00007fff05e7f5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 87.097686][ T5822] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007f6d91f8d999 [ 87.105640][ T5822] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003 [ 87.113599][ T5822] RBP: 0000000000000000 R08: 0000555500000000 R09: 0000555500000000 [ 87.121555][ T5822] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 87.129509][ T5822] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 87.137476][ T5822] [ 87.140596][ T5822] Kernel Offset: disabled [ 87.144904][ T5822] Rebooting in 86400 seconds..