./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1300529426 <...> Warning: Permanently added '10.128.0.72' (ED25519) to the list of known hosts. execve("./syz-executor1300529426", ["./syz-executor1300529426"], 0x7fff522e5e80 /* 10 vars */) = 0 brk(NULL) = 0x555555f45000 brk(0x555555f45d00) = 0x555555f45d00 arch_prctl(ARCH_SET_FS, 0x555555f45380) = 0 set_tid_address(0x555555f45650) = 5065 set_robust_list(0x555555f45660, 24) = 0 rseq(0x555555f45ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1300529426", 4096) = 28 getrandom("\x0a\x10\xb7\x46\x53\x7f\x90\xe6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555f45d00 brk(0x555555f66d00) = 0x555555f66d00 brk(0x555555f67000) = 0x555555f67000 mprotect(0x7f1942b36000, 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 5066 attached , child_tidptr=0x555555f45650) = 5066 [pid 5066] set_robust_list(0x555555f45660, 24) = 0 [pid 5066] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] setsid() = 1 [pid 5066] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5066] unshare(CLONE_NEWNS) = 0 [pid 5066] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5066] unshare(CLONE_NEWIPC) = 0 [pid 5066] unshare(CLONE_NEWCGROUP) = 0 [pid 5066] unshare(CLONE_NEWUTS) = 0 [pid 5066] unshare(CLONE_SYSVSEM) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "16777216", 8) = 8 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "536870912", 9) = 9 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "8192", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5066] close(3) = 0 [pid 5066] getpid() = 1 [pid 5066] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 73.969469][ T5069] ------------[ cut here ]------------ [ 73.974961][ T5069] WARNING: CPU: 1 PID: 5069 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 73.985629][ T5069] Modules linked in: [ 73.989525][ T5069] CPU: 1 PID: 5069 Comm: syz-executor130 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 73.999992][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 74.010255][ T5069] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 74.016582][ T5069] 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 [ 74.036224][ T5069] RSP: 0018:ffffc90003a0f1b0 EFLAGS: 00010293 [ 74.042285][ T5069] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 74.050388][ T5069] RDX: ffff88807d3d8000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 74.058394][ T5069] RBP: ffffc90003a0f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 74.066448][ T5069] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 74.074476][ T5069] R13: ffff8880255a382c R14: ffffc90003a0f35c R15: ffff8880255a3800 [ 74.082629][ T5069] FS: 0000555555f45380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 74.091732][ T5069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.098386][ T5069] CR2: 0000000000000000 CR3: 0000000079a2d000 CR4: 00000000003506f0 [ 74.106403][ T5069] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.114368][ T5069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.122377][ T5069] Call Trace: [ 74.125744][ T5069] [ 74.128681][ T5069] ? show_regs+0x8f/0xa0 [ 74.132927][ T5069] ? __warn+0xe6/0x390 [ 74.137042][ T5069] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.142727][ T5069] ? report_bug+0x3bc/0x580 [ 74.147286][ T5069] ? handle_bug+0x3d/0x70 [ 74.151640][ T5069] ? exc_invalid_op+0x17/0x40 [ 74.156436][ T5069] ? asm_exc_invalid_op+0x1a/0x20 [ 74.161492][ T5069] ? ip6_route_info_create+0x19c8/0x1f10 [ 74.167206][ T5069] ? ip6_route_info_create+0x1a19/0x1f10 [ 74.172872][ T5069] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.178568][ T5069] ? fib6_nh_init+0x1db0/0x1db0 [ 74.183442][ T5069] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.188884][ T5069] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 74.194735][ T5069] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.200197][ T5069] ip6_route_add+0x26/0x1f0 [ 74.204743][ T5069] addrconf_prefix_route+0x2fe/0x510 [ 74.210093][ T5069] ? addrconf_add_mroute+0x350/0x350 [ 74.215443][ T5069] inet6_addr_add+0x605/0xbe0 [ 74.220126][ T5069] inet6_rtm_newaddr+0x11da/0x1ab0 [ 74.225298][ T5069] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.231392][ T5069] ? trace_contention_end+0xd6/0x100 [ 74.236728][ T5069] ? __mutex_lock+0x1a6/0x9d0 [ 74.241455][ T5069] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.247568][ T5069] rtnetlink_rcv_msg+0x3c7/0xe00 [ 74.252534][ T5069] ? rtnl_fill_vf+0x490/0x490 [ 74.257260][ T5069] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.263299][ T5069] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.269350][ T5069] netlink_rcv_skb+0x16b/0x440 [ 74.274145][ T5069] ? rtnl_fill_vf+0x490/0x490 [ 74.278919][ T5069] ? netlink_ack+0x1380/0x1380 [ 74.283714][ T5069] ? lock_sync+0x190/0x190 [ 74.288234][ T5069] ? netlink_deliver_tap+0x1a0/0xd00 [ 74.293553][ T5069] ? _copy_from_iter+0x2c1/0x10f0 [ 74.298645][ T5069] netlink_unicast+0x53b/0x810 [ 74.303443][ T5069] ? netlink_attachskb+0x880/0x880 [ 74.308621][ T5069] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 74.314554][ T5069] ? __phys_addr_symbol+0x30/0x70 [ 74.319703][ T5069] ? __check_object_size+0x323/0x730 [ 74.325060][ T5069] netlink_sendmsg+0x8b7/0xd70 [ 74.329870][ T5069] ? netlink_unicast+0x810/0x810 [ 74.334843][ T5069] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 74.340174][ T5069] ? netlink_unicast+0x810/0x810 [ 74.345173][ T5069] __sock_sendmsg+0xd5/0x180 [ 74.349841][ T5069] ____sys_sendmsg+0x6ac/0x940 [ 74.354624][ T5069] ? copy_msghdr_from_user+0x10b/0x160 [ 74.360144][ T5069] ? kernel_sendmsg+0x50/0x50 [ 74.364845][ T5069] ? hlock_class+0x4e/0x130 [ 74.369416][ T5069] ___sys_sendmsg+0x135/0x1d0 [ 74.374118][ T5069] ? do_recvmmsg+0x740/0x740 [ 74.378785][ T5069] ? recalc_sigpending_tsk+0x187/0x1d0 [ 74.384262][ T5069] ? __fget_light+0x1fc/0x260 [ 74.389011][ T5069] __sys_sendmsg+0x117/0x1e0 [ 74.393632][ T5069] ? __sys_sendmsg_sock+0x30/0x30 [ 74.398720][ T5069] ? ptrace_notify+0xf4/0x130 [ 74.403417][ T5069] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 74.409743][ T5069] do_syscall_64+0x40/0x110 [ 74.414272][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 74.420215][ T5069] RIP: 0033:0x7f1942ac2f89 [ 74.424696][ T5069] 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 [ 74.444390][ T5069] RSP: 002b:00007ffe789b32c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.452866][ T5069] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1942ac2f89 [ 74.460985][ T5069] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 74.469018][ T5069] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555f46610 [ 74.477478][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.485485][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 74.493461][ T5069] [ 74.496528][ T5069] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.503814][ T5069] CPU: 1 PID: 5069 Comm: syz-executor130 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 74.514224][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 74.524273][ T5069] Call Trace: [ 74.527544][ T5069] [ 74.530464][ T5069] dump_stack_lvl+0xd9/0x1b0 [ 74.535139][ T5069] panic+0x6dc/0x790 [ 74.539029][ T5069] ? panic_smp_self_stop+0xa0/0xa0 [ 74.544135][ T5069] ? show_trace_log_lvl+0x363/0x4f0 [ 74.549338][ T5069] ? check_panic_on_warn+0x1f/0xb0 [ 74.554474][ T5069] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.560107][ T5069] check_panic_on_warn+0xab/0xb0 [ 74.565055][ T5069] __warn+0xf2/0x390 [ 74.568961][ T5069] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.574616][ T5069] report_bug+0x3bc/0x580 [ 74.578944][ T5069] handle_bug+0x3d/0x70 [ 74.583121][ T5069] exc_invalid_op+0x17/0x40 [ 74.587628][ T5069] asm_exc_invalid_op+0x1a/0x20 [ 74.592489][ T5069] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 74.598744][ T5069] 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 [ 74.618443][ T5069] RSP: 0018:ffffc90003a0f1b0 EFLAGS: 00010293 [ 74.624522][ T5069] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 74.632505][ T5069] RDX: ffff88807d3d8000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 74.640479][ T5069] RBP: ffffc90003a0f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 74.648450][ T5069] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 74.656425][ T5069] R13: ffff8880255a382c R14: ffffc90003a0f35c R15: ffff8880255a3800 [ 74.664409][ T5069] ? ip6_route_info_create+0x19c8/0x1f10 [ 74.670086][ T5069] ? ip6_route_info_create+0x1a19/0x1f10 [ 74.675747][ T5069] ? fib6_nh_init+0x1db0/0x1db0 [ 74.680603][ T5069] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.685994][ T5069] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 74.691814][ T5069] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.697202][ T5069] ip6_route_add+0x26/0x1f0 [ 74.701717][ T5069] addrconf_prefix_route+0x2fe/0x510 [ 74.707016][ T5069] ? addrconf_add_mroute+0x350/0x350 [ 74.712343][ T5069] inet6_addr_add+0x605/0xbe0 [ 74.717042][ T5069] inet6_rtm_newaddr+0x11da/0x1ab0 [ 74.722172][ T5069] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.728254][ T5069] ? trace_contention_end+0xd6/0x100 [ 74.733581][ T5069] ? __mutex_lock+0x1a6/0x9d0 [ 74.738299][ T5069] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.744384][ T5069] rtnetlink_rcv_msg+0x3c7/0xe00 [ 74.749339][ T5069] ? rtnl_fill_vf+0x490/0x490 [ 74.754027][ T5069] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.760023][ T5069] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.766029][ T5069] netlink_rcv_skb+0x16b/0x440 [ 74.770808][ T5069] ? rtnl_fill_vf+0x490/0x490 [ 74.775498][ T5069] ? netlink_ack+0x1380/0x1380 [ 74.780277][ T5069] ? lock_sync+0x190/0x190 [ 74.784721][ T5069] ? netlink_deliver_tap+0x1a0/0xd00 [ 74.790020][ T5069] ? _copy_from_iter+0x2c1/0x10f0 [ 74.795077][ T5069] netlink_unicast+0x53b/0x810 [ 74.799885][ T5069] ? netlink_attachskb+0x880/0x880 [ 74.805014][ T5069] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 74.810944][ T5069] ? __phys_addr_symbol+0x30/0x70 [ 74.815988][ T5069] ? __check_object_size+0x323/0x730 [ 74.821296][ T5069] netlink_sendmsg+0x8b7/0xd70 [ 74.826097][ T5069] ? netlink_unicast+0x810/0x810 [ 74.831068][ T5069] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 74.836369][ T5069] ? netlink_unicast+0x810/0x810 [ 74.841329][ T5069] __sock_sendmsg+0xd5/0x180 [ 74.845937][ T5069] ____sys_sendmsg+0x6ac/0x940 [ 74.850716][ T5069] ? copy_msghdr_from_user+0x10b/0x160 [ 74.856189][ T5069] ? kernel_sendmsg+0x50/0x50 [ 74.860886][ T5069] ? hlock_class+0x4e/0x130 [ 74.865424][ T5069] ___sys_sendmsg+0x135/0x1d0 [ 74.870123][ T5069] ? do_recvmmsg+0x740/0x740 [ 74.874751][ T5069] ? recalc_sigpending_tsk+0x187/0x1d0 [ 74.880234][ T5069] ? __fget_light+0x1fc/0x260 [ 74.884930][ T5069] __sys_sendmsg+0x117/0x1e0 [ 74.889541][ T5069] ? __sys_sendmsg_sock+0x30/0x30 [ 74.894596][ T5069] ? ptrace_notify+0xf4/0x130 [ 74.899288][ T5069] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 74.905554][ T5069] do_syscall_64+0x40/0x110 [ 74.910071][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 74.915982][ T5069] RIP: 0033:0x7f1942ac2f89 [ 74.920402][ T5069] 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 [ 74.940023][ T5069] RSP: 002b:00007ffe789b32c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.948467][ T5069] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1942ac2f89 [ 74.956452][ T5069] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 74.964452][ T5069] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555f46610 [ 74.972432][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.980405][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 74.988396][ T5069] [ 74.991595][ T5069] Kernel Offset: disabled [ 74.995997][ T5069] Rebooting in 86400 seconds..