./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor38011647 <...> Warning: Permanently added '10.128.1.142' (ED25519) to the list of known hosts. execve("./syz-executor38011647", ["./syz-executor38011647"], 0x7ffc1030c860 /* 10 vars */) = 0 brk(NULL) = 0x555555e1d000 brk(0x555555e1dd00) = 0x555555e1dd00 arch_prctl(ARCH_SET_FS, 0x555555e1d380) = 0 set_tid_address(0x555555e1d650) = 5065 set_robust_list(0x555555e1d660, 24) = 0 rseq(0x555555e1dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor38011647", 4096) = 26 getrandom("\x8c\xbe\x79\xa3\x64\x89\xb8\xee", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555e1dd00 brk(0x555555e3ed00) = 0x555555e3ed00 brk(0x555555e3f000) = 0x555555e3f000 mprotect(0x7f8b9ff83000, 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=0x555555e1d650) = 5066 ./strace-static-x86_64: Process 5066 attached [pid 5066] set_robust_list(0x555555e1d660, 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 [ 96.436929][ T5069] ------------[ cut here ]------------ [ 96.442470][ T5069] WARNING: CPU: 1 PID: 5069 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 96.452780][ T5069] Modules linked in: [ 96.456759][ T5069] CPU: 1 PID: 5069 Comm: syz-executor380 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 96.467259][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 96.477435][ T5069] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 96.483722][ 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 [ 96.503437][ T5069] RSP: 0018:ffffc90003fff1b0 EFLAGS: 00010293 [ 96.509585][ T5069] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 96.517643][ T5069] RDX: ffff88807bbe5940 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 96.525651][ T5069] RBP: ffffc90003fff2a0 R08: 0000000000000005 R09: 0000000000000000 [ 96.533689][ T5069] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 96.541729][ T5069] R13: ffff88802580802c R14: ffffc90003fff35c R15: ffff888025808000 [ 96.549796][ T5069] FS: 0000555555e1d380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 96.558805][ T5069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.565431][ T5069] CR2: 0000000000000000 CR3: 00000000753dc000 CR4: 00000000003506f0 [ 96.573461][ T5069] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.581500][ T5069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.589521][ T5069] Call Trace: [ 96.592822][ T5069] [ 96.595780][ T5069] ? show_regs+0x8f/0xa0 [ 96.600085][ T5069] ? __warn+0xe6/0x390 [ 96.604198][ T5069] ? ip6_route_info_create+0x1a1a/0x1f10 [ 96.609915][ T5069] ? report_bug+0x3bc/0x580 [ 96.614464][ T5069] ? handle_bug+0x3d/0x70 [ 96.618860][ T5069] ? exc_invalid_op+0x17/0x40 [ 96.623575][ T5069] ? asm_exc_invalid_op+0x1a/0x20 [ 96.628671][ T5069] ? ip6_route_info_create+0x19c8/0x1f10 [ 96.634358][ T5069] ? ip6_route_info_create+0x1a19/0x1f10 [ 96.640097][ T5069] ? ip6_route_info_create+0x1a1a/0x1f10 [ 96.645794][ T5069] ? fib6_nh_init+0x1db0/0x1db0 [ 96.650728][ T5069] ? reacquire_held_locks+0x4c0/0x4c0 [ 96.656184][ T5069] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 96.662041][ T5069] ? reacquire_held_locks+0x4c0/0x4c0 [ 96.667484][ T5069] ip6_route_add+0x26/0x1f0 [ 96.672034][ T5069] addrconf_prefix_route+0x2fe/0x510 [ 96.677418][ T5069] ? addrconf_add_mroute+0x350/0x350 [ 96.682811][ T5069] inet6_addr_add+0x605/0xbe0 [ 96.687620][ T5069] inet6_rtm_newaddr+0x11da/0x1ab0 [ 96.692783][ T5069] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 96.698935][ T5069] ? trace_contention_end+0xd6/0x100 [ 96.704261][ T5069] ? __mutex_lock+0x1a6/0x9d0 [ 96.709064][ T5069] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 96.715188][ T5069] rtnetlink_rcv_msg+0x3c7/0xe00 [ 96.720204][ T5069] ? rtnl_fill_vf+0x490/0x490 [ 96.724986][ T5069] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 96.731074][ T5069] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 96.737237][ T5069] netlink_rcv_skb+0x16b/0x440 [ 96.742025][ T5069] ? rtnl_fill_vf+0x490/0x490 [ 96.746785][ T5069] ? netlink_ack+0x1380/0x1380 [ 96.751613][ T5069] ? lock_sync+0x190/0x190 [ 96.756185][ T5069] ? netlink_deliver_tap+0x1a0/0xd00 [ 96.761543][ T5069] ? _copy_from_iter+0x2c1/0x10f0 [ 96.766641][ T5069] netlink_unicast+0x53b/0x810 [ 96.771455][ T5069] ? netlink_attachskb+0x880/0x880 [ 96.776632][ T5069] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 96.782583][ T5069] ? __phys_addr_symbol+0x30/0x70 [ 96.787694][ T5069] ? __check_object_size+0x323/0x730 [ 96.793037][ T5069] netlink_sendmsg+0x8b7/0xd70 [ 96.797914][ T5069] ? netlink_unicast+0x810/0x810 [ 96.802918][ T5069] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 96.808264][ T5069] ? netlink_unicast+0x810/0x810 [ 96.813285][ T5069] __sock_sendmsg+0xd5/0x180 [ 96.817978][ T5069] ____sys_sendmsg+0x6ac/0x940 [ 96.822785][ T5069] ? copy_msghdr_from_user+0x10b/0x160 [ 96.828344][ T5069] ? kernel_sendmsg+0x50/0x50 [ 96.833060][ T5069] ? hlock_class+0x4e/0x130 [ 96.837655][ T5069] ___sys_sendmsg+0x135/0x1d0 [ 96.842377][ T5069] ? do_recvmmsg+0x740/0x740 [ 96.847066][ T5069] ? recalc_sigpending_tsk+0x187/0x1d0 [ 96.852571][ T5069] ? __fget_light+0x1fc/0x260 [ 96.857349][ T5069] __sys_sendmsg+0x117/0x1e0 [ 96.861989][ T5069] ? __sys_sendmsg_sock+0x30/0x30 [ 96.867115][ T5069] ? ptrace_notify+0xf4/0x130 [ 96.871834][ T5069] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 96.878147][ T5069] do_syscall_64+0x40/0x110 [ 96.882687][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 96.888642][ T5069] RIP: 0033:0x7f8b9ff0ff49 [ 96.893083][ 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 [ 96.912770][ T5069] RSP: 002b:00007ffcf81a9a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 96.921252][ T5069] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8b9ff0ff49 [ 96.929276][ T5069] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 96.937632][ T5069] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555e1e610 [ 96.945614][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 96.953651][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 96.961692][ T5069] [ 96.964723][ T5069] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 96.972003][ T5069] CPU: 1 PID: 5069 Comm: syz-executor380 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 96.982443][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 96.992512][ T5069] Call Trace: [ 96.995806][ T5069] [ 96.998752][ T5069] dump_stack_lvl+0xd9/0x1b0 [ 97.003364][ T5069] panic+0x6dc/0x790 [ 97.007286][ T5069] ? panic_smp_self_stop+0xa0/0xa0 [ 97.012432][ T5069] ? show_trace_log_lvl+0x363/0x4f0 [ 97.017710][ T5069] ? check_panic_on_warn+0x1f/0xb0 [ 97.022857][ T5069] ? ip6_route_info_create+0x1a1a/0x1f10 [ 97.028521][ T5069] check_panic_on_warn+0xab/0xb0 [ 97.033489][ T5069] __warn+0xf2/0x390 [ 97.037417][ T5069] ? ip6_route_info_create+0x1a1a/0x1f10 [ 97.043087][ T5069] report_bug+0x3bc/0x580 [ 97.047452][ T5069] handle_bug+0x3d/0x70 [ 97.051642][ T5069] exc_invalid_op+0x17/0x40 [ 97.056180][ T5069] asm_exc_invalid_op+0x1a/0x20 [ 97.061050][ T5069] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 97.067499][ 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 [ 97.087125][ T5069] RSP: 0018:ffffc90003fff1b0 EFLAGS: 00010293 [ 97.093209][ T5069] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 97.101196][ T5069] RDX: ffff88807bbe5940 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 97.109185][ T5069] RBP: ffffc90003fff2a0 R08: 0000000000000005 R09: 0000000000000000 [ 97.117188][ T5069] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 97.125184][ T5069] R13: ffff88802580802c R14: ffffc90003fff35c R15: ffff888025808000 [ 97.133190][ T5069] ? ip6_route_info_create+0x19c8/0x1f10 [ 97.138865][ T5069] ? ip6_route_info_create+0x1a19/0x1f10 [ 97.144548][ T5069] ? fib6_nh_init+0x1db0/0x1db0 [ 97.149470][ T5069] ? reacquire_held_locks+0x4c0/0x4c0 [ 97.154910][ T5069] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 97.160771][ T5069] ? reacquire_held_locks+0x4c0/0x4c0 [ 97.166203][ T5069] ip6_route_add+0x26/0x1f0 [ 97.170733][ T5069] addrconf_prefix_route+0x2fe/0x510 [ 97.176077][ T5069] ? addrconf_add_mroute+0x350/0x350 [ 97.181431][ T5069] inet6_addr_add+0x605/0xbe0 [ 97.186153][ T5069] inet6_rtm_newaddr+0x11da/0x1ab0 [ 97.191307][ T5069] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 97.197414][ T5069] ? trace_contention_end+0xd6/0x100 [ 97.202737][ T5069] ? __mutex_lock+0x1a6/0x9d0 [ 97.207477][ T5069] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 97.213571][ T5069] rtnetlink_rcv_msg+0x3c7/0xe00 [ 97.218543][ T5069] ? rtnl_fill_vf+0x490/0x490 [ 97.223255][ T5069] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 97.229271][ T5069] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 97.235294][ T5069] netlink_rcv_skb+0x16b/0x440 [ 97.240092][ T5069] ? rtnl_fill_vf+0x490/0x490 [ 97.244793][ T5069] ? netlink_ack+0x1380/0x1380 [ 97.249592][ T5069] ? lock_sync+0x190/0x190 [ 97.254090][ T5069] ? netlink_deliver_tap+0x1a0/0xd00 [ 97.259408][ T5069] ? _copy_from_iter+0x2c1/0x10f0 [ 97.264470][ T5069] netlink_unicast+0x53b/0x810 [ 97.269268][ T5069] ? netlink_attachskb+0x880/0x880 [ 97.274414][ T5069] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 97.280350][ T5069] ? __phys_addr_symbol+0x30/0x70 [ 97.285405][ T5069] ? __check_object_size+0x323/0x730 [ 97.290724][ T5069] netlink_sendmsg+0x8b7/0xd70 [ 97.295528][ T5069] ? netlink_unicast+0x810/0x810 [ 97.300504][ T5069] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 97.305840][ T5069] ? netlink_unicast+0x810/0x810 [ 97.310814][ T5069] __sock_sendmsg+0xd5/0x180 [ 97.315432][ T5069] ____sys_sendmsg+0x6ac/0x940 [ 97.320222][ T5069] ? copy_msghdr_from_user+0x10b/0x160 [ 97.325710][ T5069] ? kernel_sendmsg+0x50/0x50 [ 97.330409][ T5069] ? hlock_class+0x4e/0x130 [ 97.334962][ T5069] ___sys_sendmsg+0x135/0x1d0 [ 97.339676][ T5069] ? do_recvmmsg+0x740/0x740 [ 97.344328][ T5069] ? recalc_sigpending_tsk+0x187/0x1d0 [ 97.349812][ T5069] ? __fget_light+0x1fc/0x260 [ 97.354520][ T5069] __sys_sendmsg+0x117/0x1e0 [ 97.359140][ T5069] ? __sys_sendmsg_sock+0x30/0x30 [ 97.364216][ T5069] ? ptrace_notify+0xf4/0x130 [ 97.368923][ T5069] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 97.375204][ T5069] do_syscall_64+0x40/0x110 [ 97.379746][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 97.385680][ T5069] RIP: 0033:0x7f8b9ff0ff49 [ 97.390111][ 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 [ 97.409746][ T5069] RSP: 002b:00007ffcf81a9a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.418179][ T5069] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8b9ff0ff49 [ 97.426166][ T5069] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 97.434150][ T5069] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555e1e610 [ 97.442137][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 97.450127][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 97.458141][ T5069] [ 97.461429][ T5069] Kernel Offset: disabled [ 97.465860][ T5069] Rebooting in 86400 seconds..