./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1723558069 <...> Warning: Permanently added '10.128.1.146' (ED25519) to the list of known hosts. execve("./syz-executor1723558069", ["./syz-executor1723558069"], 0x7ffdc83477a0 /* 10 vars */) = 0 brk(NULL) = 0x555556db5000 brk(0x555556db5d00) = 0x555556db5d00 arch_prctl(ARCH_SET_FS, 0x555556db5380) = 0 set_tid_address(0x555556db5650) = 5061 set_robust_list(0x555556db5660, 24) = 0 rseq(0x555556db5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1723558069", 4096) = 28 getrandom("\x9e\x93\x63\x78\x54\xbd\x35\x9b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556db5d00 brk(0x555556dd6d00) = 0x555556dd6d00 brk(0x555556dd7000) = 0x555556dd7000 mprotect(0x7f9cf2b1c000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5062 attached , child_tidptr=0x555556db5650) = 5062 [pid 5062] set_robust_list(0x555556db5660, 24) = 0 [pid 5062] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5062] setsid() = 1 [pid 5062] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5062] unshare(CLONE_NEWNS) = 0 [pid 5062] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5062] unshare(CLONE_NEWIPC) = 0 [pid 5062] unshare(CLONE_NEWCGROUP) = 0 [pid 5062] unshare(CLONE_NEWUTS) = 0 [pid 5062] unshare(CLONE_SYSVSEM) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "16777216", 8) = 8 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "536870912", 9) = 9 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1024", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "8192", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1024", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1024", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5062] close(3) = 0 [pid 5062] getpid() = 1 [pid 5062] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 72.752728][ T5065] ------------[ cut here ]------------ [ 72.758243][ T5065] WARNING: CPU: 0 PID: 5065 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 72.768484][ T5065] Modules linked in: [ 72.772376][ T5065] CPU: 0 PID: 5065 Comm: syz-executor172 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 72.782829][ T5065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 72.792915][ T5065] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 72.799238][ T5065] Code: 49 83 7f 40 00 75 28 e8 04 ae 50 f8 49 8d bf a0 00 00 00 48 c7 c6 c0 ae 37 89 e8 41 2c 3a f8 e9 65 f4 ff ff e8 e7 ad 50 f8 90 <0f> 0b 90 eb ad e8 dc ad 50 f8 90 0f 0b 90 eb cd e8 d1 ad 50 f8 e8 [ 72.818910][ T5065] RSP: 0018:ffffc90003dcf1b0 EFLAGS: 00010293 [ 72.825013][ T5065] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 72.832991][ T5065] RDX: ffff888026623b80 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 72.840994][ T5065] RBP: ffffc90003dcf2a0 R08: 0000000000000005 R09: 0000000000000000 [ 72.848994][ T5065] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 72.856994][ T5065] R13: ffff88802943982c R14: ffffc90003dcf35c R15: ffff888029439800 [ 72.865027][ T5065] FS: 0000555556db5380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 72.874033][ T5065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.880636][ T5065] CR2: 0000000000000000 CR3: 000000001fb22000 CR4: 00000000003506f0 [ 72.888684][ T5065] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.896685][ T5065] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.904690][ T5065] Call Trace: [ 72.907972][ T5065] [ 72.910892][ T5065] ? show_regs+0x8f/0xa0 [ 72.915186][ T5065] ? __warn+0xe6/0x390 [ 72.919276][ T5065] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.924943][ T5065] ? report_bug+0x3bc/0x580 [ 72.929465][ T5065] ? handle_bug+0x3d/0x70 [ 72.933786][ T5065] ? exc_invalid_op+0x17/0x40 [ 72.938523][ T5065] ? asm_exc_invalid_op+0x1a/0x20 [ 72.943574][ T5065] ? ip6_route_info_create+0x19c8/0x1f10 [ 72.949244][ T5065] ? ip6_route_info_create+0x1a19/0x1f10 [ 72.954914][ T5065] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.960575][ T5065] ? fib6_nh_init+0x1db0/0x1db0 [ 72.965460][ T5065] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.970855][ T5065] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 72.976701][ T5065] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.982100][ T5065] ip6_route_add+0x26/0x1f0 [ 72.986645][ T5065] addrconf_prefix_route+0x2fe/0x510 [ 72.991951][ T5065] ? addrconf_add_mroute+0x350/0x350 [ 72.997313][ T5065] inet6_addr_add+0x605/0xbe0 [ 73.002017][ T5065] inet6_rtm_newaddr+0x11da/0x1ab0 [ 73.007192][ T5065] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 73.013290][ T5065] ? trace_contention_end+0xd6/0x100 [ 73.018644][ T5065] ? __mutex_lock+0x1a6/0x9d0 [ 73.023365][ T5065] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 73.029469][ T5065] rtnetlink_rcv_msg+0x3c7/0xe00 [ 73.034480][ T5065] ? rtnl_fill_vf+0x490/0x490 [ 73.039155][ T5065] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.045183][ T5065] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.051194][ T5065] netlink_rcv_skb+0x16b/0x440 [ 73.056008][ T5065] ? rtnl_fill_vf+0x490/0x490 [ 73.060702][ T5065] ? netlink_ack+0x1380/0x1380 [ 73.065505][ T5065] ? lock_sync+0x190/0x190 [ 73.069958][ T5065] ? netlink_deliver_tap+0x1a0/0xd00 [ 73.075294][ T5065] ? _copy_from_iter+0x2c1/0x10f0 [ 73.080346][ T5065] netlink_unicast+0x53b/0x810 [ 73.085170][ T5065] ? netlink_attachskb+0x880/0x880 [ 73.090300][ T5065] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 73.096278][ T5065] ? __phys_addr_symbol+0x30/0x70 [ 73.101322][ T5065] ? __check_object_size+0x323/0x730 [ 73.106652][ T5065] netlink_sendmsg+0x8b7/0xd70 [ 73.111441][ T5065] ? netlink_unicast+0x810/0x810 [ 73.116429][ T5065] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 73.121733][ T5065] ? netlink_unicast+0x810/0x810 [ 73.126710][ T5065] __sock_sendmsg+0xd5/0x180 [ 73.131315][ T5065] ____sys_sendmsg+0x6ac/0x940 [ 73.136137][ T5065] ? copy_msghdr_from_user+0x10b/0x160 [ 73.141621][ T5065] ? kernel_sendmsg+0x50/0x50 [ 73.146346][ T5065] ? hlock_class+0x4e/0x130 [ 73.150875][ T5065] ___sys_sendmsg+0x135/0x1d0 [ 73.155613][ T5065] ? do_recvmmsg+0x740/0x740 [ 73.160236][ T5065] ? recalc_sigpending_tsk+0x187/0x1d0 [ 73.165727][ T5065] ? __fget_light+0x1fc/0x260 [ 73.170418][ T5065] __sys_sendmsg+0x117/0x1e0 [ 73.175057][ T5065] ? __sys_sendmsg_sock+0x30/0x30 [ 73.180110][ T5065] ? ptrace_notify+0xf4/0x130 [ 73.184820][ T5065] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 73.191080][ T5065] do_syscall_64+0x40/0x110 [ 73.195618][ T5065] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 73.201534][ T5065] RIP: 0033:0x7f9cf2aa8f89 [ 73.205986][ T5065] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 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 [ 73.225976][ T5065] RSP: 002b:00007fffe76e2668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.234427][ T5065] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9cf2aa8f89 [ 73.242406][ T5065] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 73.250409][ T5065] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556db6610 [ 73.258709][ T5065] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.266748][ T5065] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.274786][ T5065] [ 73.277822][ T5065] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 73.285099][ T5065] CPU: 0 PID: 5065 Comm: syz-executor172 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 73.295509][ T5065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 73.305565][ T5065] Call Trace: [ 73.308843][ T5065] [ 73.311772][ T5065] dump_stack_lvl+0xd9/0x1b0 [ 73.316371][ T5065] panic+0x6dc/0x790 [ 73.320276][ T5065] ? panic_smp_self_stop+0xa0/0xa0 [ 73.325409][ T5065] ? show_trace_log_lvl+0x363/0x4f0 [ 73.330624][ T5065] ? check_panic_on_warn+0x1f/0xb0 [ 73.335746][ T5065] ? ip6_route_info_create+0x1a1a/0x1f10 [ 73.341389][ T5065] check_panic_on_warn+0xab/0xb0 [ 73.346338][ T5065] __warn+0xf2/0x390 [ 73.350241][ T5065] ? ip6_route_info_create+0x1a1a/0x1f10 [ 73.355879][ T5065] report_bug+0x3bc/0x580 [ 73.360217][ T5065] handle_bug+0x3d/0x70 [ 73.364379][ T5065] exc_invalid_op+0x17/0x40 [ 73.368891][ T5065] asm_exc_invalid_op+0x1a/0x20 [ 73.373742][ T5065] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 73.379990][ T5065] Code: 49 83 7f 40 00 75 28 e8 04 ae 50 f8 49 8d bf a0 00 00 00 48 c7 c6 c0 ae 37 89 e8 41 2c 3a f8 e9 65 f4 ff ff e8 e7 ad 50 f8 90 <0f> 0b 90 eb ad e8 dc ad 50 f8 90 0f 0b 90 eb cd e8 d1 ad 50 f8 e8 [ 73.399612][ T5065] RSP: 0018:ffffc90003dcf1b0 EFLAGS: 00010293 [ 73.405681][ T5065] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 73.413653][ T5065] RDX: ffff888026623b80 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 73.421621][ T5065] RBP: ffffc90003dcf2a0 R08: 0000000000000005 R09: 0000000000000000 [ 73.429589][ T5065] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 73.437557][ T5065] R13: ffff88802943982c R14: ffffc90003dcf35c R15: ffff888029439800 [ 73.445542][ T5065] ? ip6_route_info_create+0x19c8/0x1f10 [ 73.451180][ T5065] ? ip6_route_info_create+0x1a19/0x1f10 [ 73.456832][ T5065] ? fib6_nh_init+0x1db0/0x1db0 [ 73.461688][ T5065] ? reacquire_held_locks+0x4c0/0x4c0 [ 73.467068][ T5065] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 73.472884][ T5065] ? reacquire_held_locks+0x4c0/0x4c0 [ 73.478269][ T5065] ip6_route_add+0x26/0x1f0 [ 73.482779][ T5065] addrconf_prefix_route+0x2fe/0x510 [ 73.488074][ T5065] ? addrconf_add_mroute+0x350/0x350 [ 73.493395][ T5065] inet6_addr_add+0x605/0xbe0 [ 73.498089][ T5065] inet6_rtm_newaddr+0x11da/0x1ab0 [ 73.503214][ T5065] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 73.509305][ T5065] ? trace_contention_end+0xd6/0x100 [ 73.514595][ T5065] ? __mutex_lock+0x1a6/0x9d0 [ 73.519305][ T5065] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 73.525379][ T5065] rtnetlink_rcv_msg+0x3c7/0xe00 [ 73.530326][ T5065] ? rtnl_fill_vf+0x490/0x490 [ 73.535010][ T5065] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.541002][ T5065] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.547002][ T5065] netlink_rcv_skb+0x16b/0x440 [ 73.551776][ T5065] ? rtnl_fill_vf+0x490/0x490 [ 73.556460][ T5065] ? netlink_ack+0x1380/0x1380 [ 73.561233][ T5065] ? lock_sync+0x190/0x190 [ 73.565676][ T5065] ? netlink_deliver_tap+0x1a0/0xd00 [ 73.570968][ T5065] ? _copy_from_iter+0x2c1/0x10f0 [ 73.576007][ T5065] netlink_unicast+0x53b/0x810 [ 73.580784][ T5065] ? netlink_attachskb+0x880/0x880 [ 73.585902][ T5065] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 73.591800][ T5065] ? __phys_addr_symbol+0x30/0x70 [ 73.596831][ T5065] ? __check_object_size+0x323/0x730 [ 73.602142][ T5065] netlink_sendmsg+0x8b7/0xd70 [ 73.606933][ T5065] ? netlink_unicast+0x810/0x810 [ 73.611885][ T5065] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 73.617177][ T5065] ? netlink_unicast+0x810/0x810 [ 73.622131][ T5065] __sock_sendmsg+0xd5/0x180 [ 73.626727][ T5065] ____sys_sendmsg+0x6ac/0x940 [ 73.631502][ T5065] ? copy_msghdr_from_user+0x10b/0x160 [ 73.636971][ T5065] ? kernel_sendmsg+0x50/0x50 [ 73.641654][ T5065] ? hlock_class+0x4e/0x130 [ 73.646180][ T5065] ___sys_sendmsg+0x135/0x1d0 [ 73.650870][ T5065] ? do_recvmmsg+0x740/0x740 [ 73.655499][ T5065] ? recalc_sigpending_tsk+0x187/0x1d0 [ 73.660965][ T5065] ? __fget_light+0x1fc/0x260 [ 73.665653][ T5065] __sys_sendmsg+0x117/0x1e0 [ 73.670253][ T5065] ? __sys_sendmsg_sock+0x30/0x30 [ 73.675298][ T5065] ? ptrace_notify+0xf4/0x130 [ 73.679978][ T5065] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 73.686234][ T5065] do_syscall_64+0x40/0x110 [ 73.690742][ T5065] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 73.696647][ T5065] RIP: 0033:0x7f9cf2aa8f89 [ 73.701058][ T5065] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 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 [ 73.720664][ T5065] RSP: 002b:00007fffe76e2668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.729078][ T5065] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9cf2aa8f89 [ 73.737050][ T5065] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 73.745033][ T5065] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556db6610 [ 73.753006][ T5065] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.760981][ T5065] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.768969][ T5065] [ 73.772183][ T5065] Kernel Offset: disabled [ 73.776575][ T5065] Rebooting in 86400 seconds..