./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor630955597 <...> Warning: Permanently added '10.128.1.161' (ED25519) to the list of known hosts. execve("./syz-executor630955597", ["./syz-executor630955597"], 0x7fff58451690 /* 10 vars */) = 0 brk(NULL) = 0x5555567d2000 brk(0x5555567d2d00) = 0x5555567d2d00 arch_prctl(ARCH_SET_FS, 0x5555567d2380) = 0 set_tid_address(0x5555567d2650) = 5058 set_robust_list(0x5555567d2660, 24) = 0 rseq(0x5555567d2ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor630955597", 4096) = 27 getrandom("\x2c\xb8\x77\x72\x17\x50\x1f\xae", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555567d2d00 brk(0x5555567f3d00) = 0x5555567f3d00 brk(0x5555567f4000) = 0x5555567f4000 mprotect(0x7f55a2cbd000, 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, child_tidptr=0x5555567d2650) = 5059 ./strace-static-x86_64: Process 5059 attached [pid 5059] set_robust_list(0x5555567d2660, 24) = 0 [pid 5059] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5059] setsid() = 1 [pid 5059] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5059] unshare(CLONE_NEWNS) = 0 [pid 5059] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5059] unshare(CLONE_NEWIPC) = 0 [pid 5059] unshare(CLONE_NEWCGROUP) = 0 [pid 5059] unshare(CLONE_NEWUTS) = 0 [pid 5059] unshare(CLONE_SYSVSEM) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "16777216", 8) = 8 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "536870912", 9) = 9 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "8192", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5059] close(3) = 0 [pid 5059] getpid() = 1 [pid 5059] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 74.101865][ T5062] ------------[ cut here ]------------ [ 74.107485][ T5062] WARNING: CPU: 1 PID: 5062 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 74.118366][ T5062] Modules linked in: [ 74.122282][ T5062] CPU: 1 PID: 5062 Comm: syz-executor630 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 74.132763][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 74.142874][ T5062] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 74.149251][ T5062] 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 [ 74.168914][ T5062] RSP: 0018:ffffc90003a3f1b0 EFLAGS: 00010293 [ 74.175000][ T5062] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 74.183048][ T5062] RDX: ffff888014793b80 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 74.191074][ T5062] RBP: ffffc90003a3f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 74.199195][ T5062] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 74.207224][ T5062] R13: ffff88801f2d082c R14: ffffc90003a3f35c R15: ffff88801f2d0800 [ 74.215211][ T5062] FS: 00005555567d2380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 74.224248][ T5062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.230883][ T5062] CR2: 0000000000000000 CR3: 000000001f41f000 CR4: 00000000003506f0 [ 74.238901][ T5062] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.246940][ T5062] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.255017][ T5062] Call Trace: [ 74.258347][ T5062] [ 74.261269][ T5062] ? show_regs+0x8f/0xa0 [ 74.265716][ T5062] ? __warn+0xe6/0x390 [ 74.269995][ T5062] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.275634][ T5062] ? report_bug+0x3bc/0x580 [ 74.280190][ T5062] ? handle_bug+0x3d/0x70 [ 74.284547][ T5062] ? exc_invalid_op+0x17/0x40 [ 74.289301][ T5062] ? asm_exc_invalid_op+0x1a/0x20 [ 74.294348][ T5062] ? ip6_route_info_create+0x19c8/0x1f10 [ 74.300080][ T5062] ? ip6_route_info_create+0x1a19/0x1f10 [ 74.305743][ T5062] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.311448][ T5062] ? fib6_nh_init+0x1db0/0x1db0 [ 74.316326][ T5062] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.321765][ T5062] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 74.327662][ T5062] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.333049][ T5062] ip6_route_add+0x26/0x1f0 [ 74.337624][ T5062] addrconf_prefix_route+0x2fe/0x510 [ 74.342960][ T5062] ? addrconf_add_mroute+0x350/0x350 [ 74.348452][ T5062] inet6_addr_add+0x605/0xbe0 [ 74.353446][ T5062] inet6_rtm_newaddr+0x11da/0x1ab0 [ 74.358652][ T5062] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.364779][ T5062] ? trace_contention_end+0xd6/0x100 [ 74.370140][ T5062] ? __mutex_lock+0x1a6/0x9d0 [ 74.374866][ T5062] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.381023][ T5062] rtnetlink_rcv_msg+0x3c7/0xe00 [ 74.386004][ T5062] ? rtnl_fill_vf+0x490/0x490 [ 74.390762][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.396809][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.402830][ T5062] netlink_rcv_skb+0x16b/0x440 [ 74.407669][ T5062] ? rtnl_fill_vf+0x490/0x490 [ 74.412373][ T5062] ? netlink_ack+0x1380/0x1380 [ 74.417199][ T5062] ? lock_sync+0x190/0x190 [ 74.421658][ T5062] ? netlink_deliver_tap+0x1a0/0xd00 [ 74.427018][ T5062] ? _copy_from_iter+0x2c1/0x10f0 [ 74.432089][ T5062] netlink_unicast+0x53b/0x810 [ 74.436959][ T5062] ? netlink_attachskb+0x880/0x880 [ 74.442093][ T5062] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 74.448147][ T5062] ? __phys_addr_symbol+0x30/0x70 [ 74.453193][ T5062] ? __check_object_size+0x323/0x730 [ 74.458546][ T5062] netlink_sendmsg+0x8b7/0xd70 [ 74.463446][ T5062] ? netlink_unicast+0x810/0x810 [ 74.468482][ T5062] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 74.473839][ T5062] ? netlink_unicast+0x810/0x810 [ 74.478835][ T5062] __sock_sendmsg+0xd5/0x180 [ 74.483538][ T5062] ____sys_sendmsg+0x6ac/0x940 [ 74.488358][ T5062] ? copy_msghdr_from_user+0x10b/0x160 [ 74.493844][ T5062] ? kernel_sendmsg+0x50/0x50 [ 74.498571][ T5062] ? hlock_class+0x4e/0x130 [ 74.503118][ T5062] ___sys_sendmsg+0x135/0x1d0 [ 74.507957][ T5062] ? do_recvmmsg+0x740/0x740 [ 74.512616][ T5062] ? recalc_sigpending_tsk+0x187/0x1d0 [ 74.518143][ T5062] ? __fget_light+0x1fc/0x260 [ 74.522834][ T5062] __sys_sendmsg+0x117/0x1e0 [ 74.527480][ T5062] ? __sys_sendmsg_sock+0x30/0x30 [ 74.532539][ T5062] ? ptrace_notify+0xf4/0x130 [ 74.537296][ T5062] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 74.543581][ T5062] do_syscall_64+0x40/0x110 [ 74.548169][ T5062] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 74.554096][ T5062] RIP: 0033:0x7f55a2c49e89 [ 74.558576][ T5062] 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 [ 74.578239][ T5062] RSP: 002b:00007ffe12c2c8e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.586729][ T5062] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f55a2c49e89 [ 74.594737][ T5062] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 74.602759][ T5062] RBP: 00000000000f4240 R08: 00005555567d3610 R09: 00005555567d3610 [ 74.611271][ T5062] R10: 00005555567d3610 R11: 0000000000000246 R12: 00007f55a2cbd5f0 [ 74.619295][ T5062] R13: 00007ffe12c2cb28 R14: 00007ffe12c2c910 R15: 00007ffe12c2c900 [ 74.627365][ T5062] [ 74.630423][ T5062] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.637687][ T5062] CPU: 1 PID: 5062 Comm: syz-executor630 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 74.648097][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 74.658160][ T5062] Call Trace: [ 74.661433][ T5062] [ 74.664449][ T5062] dump_stack_lvl+0xd9/0x1b0 [ 74.669064][ T5062] panic+0x6dc/0x790 [ 74.673072][ T5062] ? panic_smp_self_stop+0xa0/0xa0 [ 74.678206][ T5062] ? show_trace_log_lvl+0x363/0x4f0 [ 74.683422][ T5062] ? check_panic_on_warn+0x1f/0xb0 [ 74.688533][ T5062] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.694168][ T5062] check_panic_on_warn+0xab/0xb0 [ 74.699112][ T5062] __warn+0xf2/0x390 [ 74.703021][ T5062] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.708653][ T5062] report_bug+0x3bc/0x580 [ 74.712983][ T5062] handle_bug+0x3d/0x70 [ 74.717136][ T5062] exc_invalid_op+0x17/0x40 [ 74.721646][ T5062] asm_exc_invalid_op+0x1a/0x20 [ 74.726492][ T5062] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 74.732727][ T5062] 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 [ 74.752678][ T5062] RSP: 0018:ffffc90003a3f1b0 EFLAGS: 00010293 [ 74.758740][ T5062] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 74.766713][ T5062] RDX: ffff888014793b80 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 74.774672][ T5062] RBP: ffffc90003a3f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 74.782635][ T5062] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 74.790773][ T5062] R13: ffff88801f2d082c R14: ffffc90003a3f35c R15: ffff88801f2d0800 [ 74.798747][ T5062] ? ip6_route_info_create+0x19c8/0x1f10 [ 74.804486][ T5062] ? ip6_route_info_create+0x1a19/0x1f10 [ 74.810129][ T5062] ? fib6_nh_init+0x1db0/0x1db0 [ 74.814970][ T5062] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.820339][ T5062] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 74.826143][ T5062] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.831519][ T5062] ip6_route_add+0x26/0x1f0 [ 74.836042][ T5062] addrconf_prefix_route+0x2fe/0x510 [ 74.841329][ T5062] ? addrconf_add_mroute+0x350/0x350 [ 74.846716][ T5062] inet6_addr_add+0x605/0xbe0 [ 74.851398][ T5062] inet6_rtm_newaddr+0x11da/0x1ab0 [ 74.856510][ T5062] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.862575][ T5062] ? trace_contention_end+0xd6/0x100 [ 74.867857][ T5062] ? __mutex_lock+0x1a6/0x9d0 [ 74.872580][ T5062] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.878674][ T5062] rtnetlink_rcv_msg+0x3c7/0xe00 [ 74.883632][ T5062] ? rtnl_fill_vf+0x490/0x490 [ 74.888318][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.894323][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.900311][ T5062] netlink_rcv_skb+0x16b/0x440 [ 74.905074][ T5062] ? rtnl_fill_vf+0x490/0x490 [ 74.909757][ T5062] ? netlink_ack+0x1380/0x1380 [ 74.914559][ T5062] ? lock_sync+0x190/0x190 [ 74.918993][ T5062] ? netlink_deliver_tap+0x1a0/0xd00 [ 74.924369][ T5062] ? _copy_from_iter+0x2c1/0x10f0 [ 74.929405][ T5062] netlink_unicast+0x53b/0x810 [ 74.934203][ T5062] ? netlink_attachskb+0x880/0x880 [ 74.939315][ T5062] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 74.945305][ T5062] ? __phys_addr_symbol+0x30/0x70 [ 74.950346][ T5062] ? __check_object_size+0x323/0x730 [ 74.955654][ T5062] netlink_sendmsg+0x8b7/0xd70 [ 74.960435][ T5062] ? netlink_unicast+0x810/0x810 [ 74.965376][ T5062] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 74.970667][ T5062] ? netlink_unicast+0x810/0x810 [ 74.975608][ T5062] __sock_sendmsg+0xd5/0x180 [ 74.980199][ T5062] ____sys_sendmsg+0x6ac/0x940 [ 74.984971][ T5062] ? copy_msghdr_from_user+0x10b/0x160 [ 74.990427][ T5062] ? kernel_sendmsg+0x50/0x50 [ 74.995098][ T5062] ? hlock_class+0x4e/0x130 [ 74.999607][ T5062] ___sys_sendmsg+0x135/0x1d0 [ 75.004281][ T5062] ? do_recvmmsg+0x740/0x740 [ 75.008914][ T5062] ? recalc_sigpending_tsk+0x187/0x1d0 [ 75.014392][ T5062] ? __fget_light+0x1fc/0x260 [ 75.019067][ T5062] __sys_sendmsg+0x117/0x1e0 [ 75.023658][ T5062] ? __sys_sendmsg_sock+0x30/0x30 [ 75.028685][ T5062] ? ptrace_notify+0xf4/0x130 [ 75.033353][ T5062] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 75.039596][ T5062] do_syscall_64+0x40/0x110 [ 75.044103][ T5062] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 75.050000][ T5062] RIP: 0033:0x7f55a2c49e89 [ 75.054507][ T5062] 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 [ 75.074108][ T5062] RSP: 002b:00007ffe12c2c8e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.082513][ T5062] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f55a2c49e89 [ 75.090472][ T5062] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 75.098447][ T5062] RBP: 00000000000f4240 R08: 00005555567d3610 R09: 00005555567d3610 [ 75.106422][ T5062] R10: 00005555567d3610 R11: 0000000000000246 R12: 00007f55a2cbd5f0 [ 75.116085][ T5062] R13: 00007ffe12c2cb28 R14: 00007ffe12c2c910 R15: 00007ffe12c2c900 [ 75.124063][ T5062] [ 75.127268][ T5062] Kernel Offset: disabled [ 75.131722][ T5062] Rebooting in 86400 seconds..