./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor244919541 <...> Warning: Permanently added '10.128.0.187' (ED25519) to the list of known hosts. execve("./syz-executor244919541", ["./syz-executor244919541"], 0x7ffee8c08270 /* 10 vars */) = 0 brk(NULL) = 0x5555573eb000 brk(0x5555573ebd00) = 0x5555573ebd00 arch_prctl(ARCH_SET_FS, 0x5555573eb380) = 0 set_tid_address(0x5555573eb650) = 5065 set_robust_list(0x5555573eb660, 24) = 0 rseq(0x5555573ebca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor244919541", 4096) = 27 getrandom("\x3a\x84\x8b\x46\x35\x2e\x0c\xf8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555573ebd00 brk(0x55555740cd00) = 0x55555740cd00 brk(0x55555740d000) = 0x55555740d000 mprotect(0x7ff158f77000, 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=0x5555573eb650) = 5066 ./strace-static-x86_64: Process 5066 attached [pid 5066] set_robust_list(0x5555573eb660, 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 [ 79.535577][ T5069] ------------[ cut here ]------------ [ 79.541076][ T5069] WARNING: CPU: 0 PID: 5069 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 79.551491][ T5069] Modules linked in: [ 79.555407][ T5069] CPU: 0 PID: 5069 Comm: syz-executor244 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 79.565930][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 79.576023][ T5069] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 79.582267][ 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 [ 79.601916][ T5069] RSP: 0018:ffffc90003df71b0 EFLAGS: 00010293 [ 79.608025][ T5069] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 79.616059][ T5069] RDX: ffff888026660000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 79.624076][ T5069] RBP: ffffc90003df72a0 R08: 0000000000000005 R09: 0000000000000000 [ 79.632074][ T5069] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 79.640107][ T5069] R13: ffff888025bc2c2c R14: ffffc90003df735c R15: ffff888025bc2c00 [ 79.648111][ T5069] FS: 00005555573eb380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 79.657295][ T5069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.663935][ T5069] CR2: 0000000000000000 CR3: 000000007b415000 CR4: 00000000003506f0 [ 79.671904][ T5069] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.679908][ T5069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.687919][ T5069] Call Trace: [ 79.691191][ T5069] [ 79.694152][ T5069] ? show_regs+0x8f/0xa0 [ 79.698416][ T5069] ? __warn+0xe6/0x390 [ 79.702529][ T5069] ? ip6_route_info_create+0x1a1a/0x1f10 [ 79.708183][ T5069] ? report_bug+0x3bc/0x580 [ 79.712729][ T5069] ? handle_bug+0x3d/0x70 [ 79.717078][ T5069] ? exc_invalid_op+0x17/0x40 [ 79.721753][ T5069] ? asm_exc_invalid_op+0x1a/0x20 [ 79.726825][ T5069] ? ip6_route_info_create+0x19c8/0x1f10 [ 79.732550][ T5069] ? ip6_route_info_create+0x1a19/0x1f10 [ 79.738196][ T5069] ? ip6_route_info_create+0x1a1a/0x1f10 [ 79.743914][ T5069] ? fib6_nh_init+0x1db0/0x1db0 [ 79.748797][ T5069] ? reacquire_held_locks+0x4c0/0x4c0 [ 79.754228][ T5069] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 79.760070][ T5069] ? reacquire_held_locks+0x4c0/0x4c0 [ 79.765523][ T5069] ip6_route_add+0x26/0x1f0 [ 79.770045][ T5069] addrconf_prefix_route+0x2fe/0x510 [ 79.775375][ T5069] ? addrconf_add_mroute+0x350/0x350 [ 79.780716][ T5069] inet6_addr_add+0x605/0xbe0 [ 79.785444][ T5069] inet6_rtm_newaddr+0x11da/0x1ab0 [ 79.790587][ T5069] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 79.796703][ T5069] ? trace_contention_end+0xd6/0x100 [ 79.802011][ T5069] ? __mutex_lock+0x1a6/0x9d0 [ 79.806772][ T5069] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 79.812891][ T5069] rtnetlink_rcv_msg+0x3c7/0xe00 [ 79.817832][ T5069] ? rtnl_fill_vf+0x490/0x490 [ 79.822545][ T5069] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 79.828569][ T5069] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 79.834606][ T5069] netlink_rcv_skb+0x16b/0x440 [ 79.839392][ T5069] ? rtnl_fill_vf+0x490/0x490 [ 79.844108][ T5069] ? netlink_ack+0x1380/0x1380 [ 79.848893][ T5069] ? lock_sync+0x190/0x190 [ 79.853370][ T5069] ? netlink_deliver_tap+0x1a0/0xd00 [ 79.858706][ T5069] ? _copy_from_iter+0x2c1/0x10f0 [ 79.863807][ T5069] netlink_unicast+0x53b/0x810 [ 79.868615][ T5069] ? netlink_attachskb+0x880/0x880 [ 79.873801][ T5069] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 79.879716][ T5069] ? __phys_addr_symbol+0x30/0x70 [ 79.884798][ T5069] ? __check_object_size+0x323/0x730 [ 79.890118][ T5069] netlink_sendmsg+0x8b7/0xd70 [ 79.894942][ T5069] ? netlink_unicast+0x810/0x810 [ 79.899907][ T5069] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 79.905236][ T5069] ? netlink_unicast+0x810/0x810 [ 79.910195][ T5069] __sock_sendmsg+0xd5/0x180 [ 79.914827][ T5069] ____sys_sendmsg+0x6ac/0x940 [ 79.919628][ T5069] ? copy_msghdr_from_user+0x10b/0x160 [ 79.925132][ T5069] ? kernel_sendmsg+0x50/0x50 [ 79.929824][ T5069] ? hlock_class+0x4e/0x130 [ 79.934382][ T5069] ___sys_sendmsg+0x135/0x1d0 [ 79.939081][ T5069] ? do_recvmmsg+0x740/0x740 [ 79.943738][ T5069] ? recalc_sigpending_tsk+0x187/0x1d0 [ 79.949205][ T5069] ? __fget_light+0x1fc/0x260 [ 79.953920][ T5069] __sys_sendmsg+0x117/0x1e0 [ 79.958537][ T5069] ? __sys_sendmsg_sock+0x30/0x30 [ 79.963644][ T5069] ? ptrace_notify+0xf4/0x130 [ 79.968340][ T5069] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 79.974713][ T5069] do_syscall_64+0x40/0x110 [ 79.979249][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 79.985269][ T5069] RIP: 0033:0x7ff158f03f89 [ 79.989715][ 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 [ 80.009384][ T5069] RSP: 002b:00007ffec5fbee98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.017837][ T5069] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff158f03f89 [ 80.025846][ T5069] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 80.033872][ T5069] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555573ec610 [ 80.041855][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 80.050602][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 80.059011][ T5069] [ 80.062042][ T5069] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 80.069317][ T5069] CPU: 0 PID: 5069 Comm: syz-executor244 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 80.079719][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 80.089765][ T5069] Call Trace: [ 80.093044][ T5069] [ 80.095975][ T5069] dump_stack_lvl+0xd9/0x1b0 [ 80.100578][ T5069] panic+0x6dc/0x790 [ 80.104485][ T5069] ? panic_smp_self_stop+0xa0/0xa0 [ 80.109603][ T5069] ? show_trace_log_lvl+0x363/0x4f0 [ 80.114820][ T5069] ? check_panic_on_warn+0x1f/0xb0 [ 80.119942][ T5069] ? ip6_route_info_create+0x1a1a/0x1f10 [ 80.125585][ T5069] check_panic_on_warn+0xab/0xb0 [ 80.130532][ T5069] __warn+0xf2/0x390 [ 80.134434][ T5069] ? ip6_route_info_create+0x1a1a/0x1f10 [ 80.140088][ T5069] report_bug+0x3bc/0x580 [ 80.144439][ T5069] handle_bug+0x3d/0x70 [ 80.148604][ T5069] exc_invalid_op+0x17/0x40 [ 80.153117][ T5069] asm_exc_invalid_op+0x1a/0x20 [ 80.157979][ T5069] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 80.164233][ 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 [ 80.183852][ T5069] RSP: 0018:ffffc90003df71b0 EFLAGS: 00010293 [ 80.189943][ T5069] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 80.197913][ T5069] RDX: ffff888026660000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 80.205895][ T5069] RBP: ffffc90003df72a0 R08: 0000000000000005 R09: 0000000000000000 [ 80.213869][ T5069] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 80.221839][ T5069] R13: ffff888025bc2c2c R14: ffffc90003df735c R15: ffff888025bc2c00 [ 80.229828][ T5069] ? ip6_route_info_create+0x19c8/0x1f10 [ 80.235491][ T5069] ? ip6_route_info_create+0x1a19/0x1f10 [ 80.241161][ T5069] ? fib6_nh_init+0x1db0/0x1db0 [ 80.246021][ T5069] ? reacquire_held_locks+0x4c0/0x4c0 [ 80.251409][ T5069] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 80.257235][ T5069] ? reacquire_held_locks+0x4c0/0x4c0 [ 80.262630][ T5069] ip6_route_add+0x26/0x1f0 [ 80.267147][ T5069] addrconf_prefix_route+0x2fe/0x510 [ 80.272451][ T5069] ? addrconf_add_mroute+0x350/0x350 [ 80.277784][ T5069] inet6_addr_add+0x605/0xbe0 [ 80.282486][ T5069] inet6_rtm_newaddr+0x11da/0x1ab0 [ 80.287616][ T5069] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 80.293692][ T5069] ? trace_contention_end+0xd6/0x100 [ 80.298985][ T5069] ? __mutex_lock+0x1a6/0x9d0 [ 80.303913][ T5069] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 80.310004][ T5069] rtnetlink_rcv_msg+0x3c7/0xe00 [ 80.314977][ T5069] ? rtnl_fill_vf+0x490/0x490 [ 80.319685][ T5069] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 80.325686][ T5069] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 80.331693][ T5069] netlink_rcv_skb+0x16b/0x440 [ 80.336479][ T5069] ? rtnl_fill_vf+0x490/0x490 [ 80.341172][ T5069] ? netlink_ack+0x1380/0x1380 [ 80.345952][ T5069] ? lock_sync+0x190/0x190 [ 80.350404][ T5069] ? netlink_deliver_tap+0x1a0/0xd00 [ 80.355708][ T5069] ? _copy_from_iter+0x2c1/0x10f0 [ 80.360755][ T5069] netlink_unicast+0x53b/0x810 [ 80.365538][ T5069] ? netlink_attachskb+0x880/0x880 [ 80.370660][ T5069] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 80.376570][ T5069] ? __phys_addr_symbol+0x30/0x70 [ 80.381604][ T5069] ? __check_object_size+0x323/0x730 [ 80.386926][ T5069] netlink_sendmsg+0x8b7/0xd70 [ 80.391719][ T5069] ? netlink_unicast+0x810/0x810 [ 80.396678][ T5069] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 80.401984][ T5069] ? netlink_unicast+0x810/0x810 [ 80.406940][ T5069] __sock_sendmsg+0xd5/0x180 [ 80.411541][ T5069] ____sys_sendmsg+0x6ac/0x940 [ 80.416316][ T5069] ? copy_msghdr_from_user+0x10b/0x160 [ 80.421791][ T5069] ? kernel_sendmsg+0x50/0x50 [ 80.426472][ T5069] ? hlock_class+0x4e/0x130 [ 80.431002][ T5069] ___sys_sendmsg+0x135/0x1d0 [ 80.435691][ T5069] ? do_recvmmsg+0x740/0x740 [ 80.440317][ T5069] ? recalc_sigpending_tsk+0x187/0x1d0 [ 80.445779][ T5069] ? __fget_light+0x1fc/0x260 [ 80.450467][ T5069] __sys_sendmsg+0x117/0x1e0 [ 80.455068][ T5069] ? __sys_sendmsg_sock+0x30/0x30 [ 80.460113][ T5069] ? ptrace_notify+0xf4/0x130 [ 80.464797][ T5069] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 80.471052][ T5069] do_syscall_64+0x40/0x110 [ 80.475567][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 80.481475][ T5069] RIP: 0033:0x7ff158f03f89 [ 80.485889][ 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 [ 80.505499][ T5069] RSP: 002b:00007ffec5fbee98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.513914][ T5069] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff158f03f89 [ 80.521885][ T5069] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 80.529860][ T5069] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555573ec610 [ 80.537847][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 80.545825][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 80.553862][ T5069] [ 80.556960][ T5069] Kernel Offset: disabled [ 80.561472][ T5069] Rebooting in 86400 seconds..