./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1066381615 <...> Warning: Permanently added '10.128.1.116' (ED25519) to the list of known hosts. execve("./syz-executor1066381615", ["./syz-executor1066381615"], 0x7fff6d5e2320 /* 10 vars */) = 0 brk(NULL) = 0x555557341000 brk(0x555557341d00) = 0x555557341d00 arch_prctl(ARCH_SET_FS, 0x555557341380) = 0 set_tid_address(0x555557341650) = 5059 set_robust_list(0x555557341660, 24) = 0 rseq(0x555557341ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1066381615", 4096) = 28 getrandom("\x17\xef\xc4\xe5\xba\xb2\xf2\x97", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557341d00 brk(0x555557362d00) = 0x555557362d00 brk(0x555557363000) = 0x555557363000 mprotect(0x7fbbc099c000, 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=0x555557341650) = 5060 ./strace-static-x86_64: Process 5060 attached [pid 5060] set_robust_list(0x555557341660, 24) = 0 [pid 5060] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5060] setsid() = 1 [pid 5060] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5060] unshare(CLONE_NEWNS) = 0 [pid 5060] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5060] unshare(CLONE_NEWIPC) = 0 [pid 5060] unshare(CLONE_NEWCGROUP) = 0 [pid 5060] unshare(CLONE_NEWUTS) = 0 [pid 5060] unshare(CLONE_SYSVSEM) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "16777216", 8) = 8 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "536870912", 9) = 9 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "8192", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5060] close(3) = 0 [pid 5060] getpid() = 1 [pid 5060] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 72.093507][ T5063] ------------[ cut here ]------------ [ 72.099075][ T5063] WARNING: CPU: 1 PID: 5063 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 72.109386][ T5063] Modules linked in: [ 72.113300][ T5063] CPU: 1 PID: 5063 Comm: syz-executor106 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 72.124004][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 72.134171][ T5063] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 72.140519][ T5063] 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 [ 72.160236][ T5063] RSP: 0018:ffffc900039ff1b0 EFLAGS: 00010293 [ 72.166377][ T5063] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 72.174372][ T5063] RDX: ffff888024e11dc0 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 72.182439][ T5063] RBP: ffffc900039ff2a0 R08: 0000000000000005 R09: 0000000000000000 [ 72.190480][ T5063] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 72.198524][ T5063] R13: ffff888017bad42c R14: ffffc900039ff35c R15: ffff888017bad400 [ 72.206524][ T5063] FS: 0000555557341380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 72.215516][ T5063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.222102][ T5063] CR2: 0000000000000000 CR3: 000000007301e000 CR4: 00000000003506f0 [ 72.230116][ T5063] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.238160][ T5063] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.246172][ T5063] Call Trace: [ 72.249478][ T5063] [ 72.252413][ T5063] ? show_regs+0x8f/0xa0 [ 72.256730][ T5063] ? __warn+0xe6/0x390 [ 72.260852][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.266543][ T5063] ? report_bug+0x3bc/0x580 [ 72.271081][ T5063] ? handle_bug+0x3d/0x70 [ 72.275484][ T5063] ? exc_invalid_op+0x17/0x40 [ 72.280179][ T5063] ? asm_exc_invalid_op+0x1a/0x20 [ 72.285280][ T5063] ? ip6_route_info_create+0x19c8/0x1f10 [ 72.290946][ T5063] ? ip6_route_info_create+0x1a19/0x1f10 [ 72.296669][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.302343][ T5063] ? fib6_nh_init+0x1db0/0x1db0 [ 72.307249][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.312653][ T5063] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 72.318550][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.323952][ T5063] ip6_route_add+0x26/0x1f0 [ 72.328539][ T5063] addrconf_prefix_route+0x2fe/0x510 [ 72.333850][ T5063] ? addrconf_add_mroute+0x350/0x350 [ 72.339243][ T5063] inet6_addr_add+0x605/0xbe0 [ 72.343972][ T5063] inet6_rtm_newaddr+0x11da/0x1ab0 [ 72.349172][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.355492][ T5063] ? trace_contention_end+0xd6/0x100 [ 72.360800][ T5063] ? __mutex_lock+0x1a6/0x9d0 [ 72.365555][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.371652][ T5063] rtnetlink_rcv_msg+0x3c7/0xe00 [ 72.376661][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 72.381358][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.387485][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.393502][ T5063] netlink_rcv_skb+0x16b/0x440 [ 72.398354][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 72.403055][ T5063] ? netlink_ack+0x1380/0x1380 [ 72.407875][ T5063] ? lock_sync+0x190/0x190 [ 72.412323][ T5063] ? netlink_deliver_tap+0x1a0/0xd00 [ 72.417706][ T5063] ? _copy_from_iter+0x2c1/0x10f0 [ 72.422861][ T5063] netlink_unicast+0x53b/0x810 [ 72.427711][ T5063] ? netlink_attachskb+0x880/0x880 [ 72.432835][ T5063] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 72.438824][ T5063] ? __phys_addr_symbol+0x30/0x70 [ 72.443867][ T5063] ? __check_object_size+0x323/0x730 [ 72.449229][ T5063] netlink_sendmsg+0x8b7/0xd70 [ 72.454027][ T5063] ? netlink_unicast+0x810/0x810 [ 72.459084][ T5063] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 72.464393][ T5063] ? netlink_unicast+0x810/0x810 [ 72.469384][ T5063] __sock_sendmsg+0xd5/0x180 [ 72.474022][ T5063] ____sys_sendmsg+0x6ac/0x940 [ 72.478885][ T5063] ? copy_msghdr_from_user+0x10b/0x160 [ 72.484370][ T5063] ? kernel_sendmsg+0x50/0x50 [ 72.489110][ T5063] ? hlock_class+0x4e/0x130 [ 72.493671][ T5063] ___sys_sendmsg+0x135/0x1d0 [ 72.498424][ T5063] ? do_recvmmsg+0x740/0x740 [ 72.503070][ T5063] ? recalc_sigpending_tsk+0x187/0x1d0 [ 72.508614][ T5063] ? __fget_light+0x1fc/0x260 [ 72.513324][ T5063] __sys_sendmsg+0x117/0x1e0 [ 72.518070][ T5063] ? __sys_sendmsg_sock+0x30/0x30 [ 72.523136][ T5063] ? ptrace_notify+0xf4/0x130 [ 72.527868][ T5063] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 72.534147][ T5063] do_syscall_64+0x40/0x110 [ 72.538786][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 72.544728][ T5063] RIP: 0033:0x7fbbc0928f89 [ 72.549237][ T5063] 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 [ 72.568940][ T5063] RSP: 002b:00007fff2a795a08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.577407][ T5063] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbbc0928f89 [ 72.585467][ T5063] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 72.593455][ T5063] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555557342610 [ 72.601873][ T5063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 72.609922][ T5063] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 72.617943][ T5063] [ 72.620958][ T5063] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.628224][ T5063] CPU: 1 PID: 5063 Comm: syz-executor106 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 72.638627][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 72.648792][ T5063] Call Trace: [ 72.652100][ T5063] [ 72.655028][ T5063] dump_stack_lvl+0xd9/0x1b0 [ 72.659656][ T5063] panic+0x6dc/0x790 [ 72.663551][ T5063] ? panic_smp_self_stop+0xa0/0xa0 [ 72.668662][ T5063] ? show_trace_log_lvl+0x363/0x4f0 [ 72.673880][ T5063] ? check_panic_on_warn+0x1f/0xb0 [ 72.678996][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.684647][ T5063] check_panic_on_warn+0xab/0xb0 [ 72.689598][ T5063] __warn+0xf2/0x390 [ 72.693504][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.699148][ T5063] report_bug+0x3bc/0x580 [ 72.703488][ T5063] handle_bug+0x3d/0x70 [ 72.707653][ T5063] exc_invalid_op+0x17/0x40 [ 72.712164][ T5063] asm_exc_invalid_op+0x1a/0x20 [ 72.717018][ T5063] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 72.723295][ T5063] 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 [ 72.743000][ T5063] RSP: 0018:ffffc900039ff1b0 EFLAGS: 00010293 [ 72.749248][ T5063] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 72.757568][ T5063] RDX: ffff888024e11dc0 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 72.765542][ T5063] RBP: ffffc900039ff2a0 R08: 0000000000000005 R09: 0000000000000000 [ 72.773514][ T5063] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 72.781489][ T5063] R13: ffff888017bad42c R14: ffffc900039ff35c R15: ffff888017bad400 [ 72.789487][ T5063] ? ip6_route_info_create+0x19c8/0x1f10 [ 72.795180][ T5063] ? ip6_route_info_create+0x1a19/0x1f10 [ 72.800849][ T5063] ? fib6_nh_init+0x1db0/0x1db0 [ 72.805734][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.811220][ T5063] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 72.817047][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.822439][ T5063] ip6_route_add+0x26/0x1f0 [ 72.826960][ T5063] addrconf_prefix_route+0x2fe/0x510 [ 72.832259][ T5063] ? addrconf_add_mroute+0x350/0x350 [ 72.837583][ T5063] inet6_addr_add+0x605/0xbe0 [ 72.842281][ T5063] inet6_rtm_newaddr+0x11da/0x1ab0 [ 72.847440][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.853535][ T5063] ? trace_contention_end+0xd6/0x100 [ 72.858850][ T5063] ? __mutex_lock+0x1a6/0x9d0 [ 72.863584][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.869696][ T5063] rtnetlink_rcv_msg+0x3c7/0xe00 [ 72.874741][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 72.879434][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.885433][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.891438][ T5063] netlink_rcv_skb+0x16b/0x440 [ 72.896217][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 72.900916][ T5063] ? netlink_ack+0x1380/0x1380 [ 72.905693][ T5063] ? lock_sync+0x190/0x190 [ 72.910136][ T5063] ? netlink_deliver_tap+0x1a0/0xd00 [ 72.915443][ T5063] ? _copy_from_iter+0x2c1/0x10f0 [ 72.920486][ T5063] netlink_unicast+0x53b/0x810 [ 72.925289][ T5063] ? netlink_attachskb+0x880/0x880 [ 72.930412][ T5063] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 72.936332][ T5063] ? __phys_addr_symbol+0x30/0x70 [ 72.941367][ T5063] ? __check_object_size+0x323/0x730 [ 72.946664][ T5063] netlink_sendmsg+0x8b7/0xd70 [ 72.951448][ T5063] ? netlink_unicast+0x810/0x810 [ 72.956420][ T5063] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 72.961715][ T5063] ? netlink_unicast+0x810/0x810 [ 72.966670][ T5063] __sock_sendmsg+0xd5/0x180 [ 72.971269][ T5063] ____sys_sendmsg+0x6ac/0x940 [ 72.976041][ T5063] ? copy_msghdr_from_user+0x10b/0x160 [ 72.981529][ T5063] ? kernel_sendmsg+0x50/0x50 [ 72.986220][ T5063] ? hlock_class+0x4e/0x130 [ 72.990757][ T5063] ___sys_sendmsg+0x135/0x1d0 [ 72.995459][ T5063] ? do_recvmmsg+0x740/0x740 [ 73.000094][ T5063] ? recalc_sigpending_tsk+0x187/0x1d0 [ 73.005562][ T5063] ? __fget_light+0x1fc/0x260 [ 73.010247][ T5063] __sys_sendmsg+0x117/0x1e0 [ 73.014849][ T5063] ? __sys_sendmsg_sock+0x30/0x30 [ 73.019894][ T5063] ? ptrace_notify+0xf4/0x130 [ 73.024577][ T5063] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 73.030834][ T5063] do_syscall_64+0x40/0x110 [ 73.035368][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 73.041308][ T5063] RIP: 0033:0x7fbbc0928f89 [ 73.045730][ T5063] 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 [ 73.065354][ T5063] RSP: 002b:00007fff2a795a08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.073781][ T5063] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbbc0928f89 [ 73.081758][ T5063] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 73.089732][ T5063] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555557342610 [ 73.097703][ T5063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.105675][ T5063] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.113663][ T5063] [ 73.116847][ T5063] Kernel Offset: disabled [ 73.121228][ T5063] Rebooting in 86400 seconds..