./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1076943499 <...> Warning: Permanently added '10.128.1.110' (ED25519) to the list of known hosts. execve("./syz-executor1076943499", ["./syz-executor1076943499"], 0x7ffe7e1d9a00 /* 10 vars */) = 0 brk(NULL) = 0x5555571d3000 brk(0x5555571d3d00) = 0x5555571d3d00 arch_prctl(ARCH_SET_FS, 0x5555571d3380) = 0 set_tid_address(0x5555571d3650) = 5059 set_robust_list(0x5555571d3660, 24) = 0 rseq(0x5555571d3ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1076943499", 4096) = 28 getrandom("\xda\x62\x3b\x41\xd2\x60\x05\xf0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555571d3d00 brk(0x5555571f4d00) = 0x5555571f4d00 brk(0x5555571f5000) = 0x5555571f5000 mprotect(0x7f03497d5000, 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=0x5555571d3650) = 5060 ./strace-static-x86_64: Process 5060 attached [pid 5060] set_robust_list(0x5555571d3660, 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 [ 78.382133][ T5063] ------------[ cut here ]------------ [ 78.387709][ T5063] WARNING: CPU: 1 PID: 5063 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 78.398004][ T5063] Modules linked in: [ 78.401968][ T5063] CPU: 1 PID: 5063 Comm: syz-executor107 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 78.412438][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 78.422644][ T5063] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 78.428918][ 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 [ 78.448688][ T5063] RSP: 0018:ffffc90003fcf1b0 EFLAGS: 00010293 [ 78.454872][ T5063] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 78.462902][ T5063] RDX: ffff888079b03b80 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 78.470946][ T5063] RBP: ffffc90003fcf2a0 R08: 0000000000000005 R09: 0000000000000000 [ 78.478973][ T5063] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 78.487045][ T5063] R13: ffff8880204d6c2c R14: ffffc90003fcf35c R15: ffff8880204d6c00 [ 78.495096][ T5063] FS: 00005555571d3380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 78.504445][ T5063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.511166][ T5063] CR2: 0000000000000000 CR3: 000000007f7d5000 CR4: 00000000003506f0 [ 78.519408][ T5063] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.527664][ T5063] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.535902][ T5063] Call Trace: [ 78.539217][ T5063] [ 78.542196][ T5063] ? show_regs+0x8f/0xa0 [ 78.546513][ T5063] ? __warn+0xe6/0x390 [ 78.550664][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 78.556334][ T5063] ? report_bug+0x3bc/0x580 [ 78.561018][ T5063] ? handle_bug+0x3d/0x70 [ 78.565494][ T5063] ? exc_invalid_op+0x17/0x40 [ 78.570221][ T5063] ? asm_exc_invalid_op+0x1a/0x20 [ 78.575298][ T5063] ? ip6_route_info_create+0x19c8/0x1f10 [ 78.581007][ T5063] ? ip6_route_info_create+0x1a19/0x1f10 [ 78.586680][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 78.592498][ T5063] ? fib6_nh_init+0x1db0/0x1db0 [ 78.597380][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 78.602828][ T5063] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 78.608688][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 78.614166][ T5063] ip6_route_add+0x26/0x1f0 [ 78.618713][ T5063] addrconf_prefix_route+0x2fe/0x510 [ 78.624089][ T5063] ? addrconf_add_mroute+0x350/0x350 [ 78.629566][ T5063] inet6_addr_add+0x605/0xbe0 [ 78.634288][ T5063] inet6_rtm_newaddr+0x11da/0x1ab0 [ 78.639505][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 78.645615][ T5063] ? trace_contention_end+0xd6/0x100 [ 78.650975][ T5063] ? __mutex_lock+0x1a6/0x9d0 [ 78.655801][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 78.662119][ T5063] rtnetlink_rcv_msg+0x3c7/0xe00 [ 78.667147][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 78.671906][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 78.678021][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 78.684143][ T5063] netlink_rcv_skb+0x16b/0x440 [ 78.688964][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 78.693706][ T5063] ? netlink_ack+0x1380/0x1380 [ 78.698502][ T5063] ? lock_sync+0x190/0x190 [ 78.703141][ T5063] ? netlink_deliver_tap+0x1a0/0xd00 [ 78.708472][ T5063] ? _copy_from_iter+0x2c1/0x10f0 [ 78.713690][ T5063] netlink_unicast+0x53b/0x810 [ 78.718498][ T5063] ? netlink_attachskb+0x880/0x880 [ 78.723672][ T5063] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 78.729664][ T5063] ? __phys_addr_symbol+0x30/0x70 [ 78.734788][ T5063] ? __check_object_size+0x323/0x730 [ 78.740196][ T5063] netlink_sendmsg+0x8b7/0xd70 [ 78.745044][ T5063] ? netlink_unicast+0x810/0x810 [ 78.750064][ T5063] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 78.755384][ T5063] ? netlink_unicast+0x810/0x810 [ 78.760413][ T5063] __sock_sendmsg+0xd5/0x180 [ 78.765059][ T5063] ____sys_sendmsg+0x6ac/0x940 [ 78.770075][ T5063] ? copy_msghdr_from_user+0x10b/0x160 [ 78.775679][ T5063] ? kernel_sendmsg+0x50/0x50 [ 78.780444][ T5063] ? hlock_class+0x4e/0x130 [ 78.784984][ T5063] ___sys_sendmsg+0x135/0x1d0 [ 78.789717][ T5063] ? do_recvmmsg+0x740/0x740 [ 78.794454][ T5063] ? recalc_sigpending_tsk+0x187/0x1d0 [ 78.799987][ T5063] ? __fget_light+0x1fc/0x260 [ 78.804707][ T5063] __sys_sendmsg+0x117/0x1e0 [ 78.809300][ T5063] ? __sys_sendmsg_sock+0x30/0x30 [ 78.814415][ T5063] ? ptrace_notify+0xf4/0x130 [ 78.819098][ T5063] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 78.825418][ T5063] do_syscall_64+0x40/0x110 [ 78.830151][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 78.836051][ T5063] RIP: 0033:0x7f0349761f89 [ 78.840528][ 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 [ 78.860809][ T5063] RSP: 002b:00007fff037a35d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.869298][ T5063] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0349761f89 [ 78.877359][ T5063] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 78.885406][ T5063] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555571d4610 [ 78.893809][ T5063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 78.901870][ T5063] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 78.909920][ T5063] [ 78.913028][ T5063] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 78.920348][ T5063] CPU: 1 PID: 5063 Comm: syz-executor107 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 78.930753][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 78.940892][ T5063] Call Trace: [ 78.944175][ T5063] [ 78.947098][ T5063] dump_stack_lvl+0xd9/0x1b0 [ 78.953080][ T5063] panic+0x6dc/0x790 [ 78.956980][ T5063] ? panic_smp_self_stop+0xa0/0xa0 [ 78.962094][ T5063] ? show_trace_log_lvl+0x363/0x4f0 [ 78.967346][ T5063] ? check_panic_on_warn+0x1f/0xb0 [ 78.972480][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 78.978111][ T5063] check_panic_on_warn+0xab/0xb0 [ 78.983066][ T5063] __warn+0xf2/0x390 [ 78.987078][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 78.992742][ T5063] report_bug+0x3bc/0x580 [ 78.997087][ T5063] handle_bug+0x3d/0x70 [ 79.001289][ T5063] exc_invalid_op+0x17/0x40 [ 79.005823][ T5063] asm_exc_invalid_op+0x1a/0x20 [ 79.010683][ T5063] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 79.016977][ 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 [ 79.036596][ T5063] RSP: 0018:ffffc90003fcf1b0 EFLAGS: 00010293 [ 79.042690][ T5063] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 79.050663][ T5063] RDX: ffff888079b03b80 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 79.058641][ T5063] RBP: ffffc90003fcf2a0 R08: 0000000000000005 R09: 0000000000000000 [ 79.066707][ T5063] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 79.075118][ T5063] R13: ffff8880204d6c2c R14: ffffc90003fcf35c R15: ffff8880204d6c00 [ 79.083118][ T5063] ? ip6_route_info_create+0x19c8/0x1f10 [ 79.088766][ T5063] ? ip6_route_info_create+0x1a19/0x1f10 [ 79.094428][ T5063] ? fib6_nh_init+0x1db0/0x1db0 [ 79.099640][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 79.105052][ T5063] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 79.110884][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 79.116277][ T5063] ip6_route_add+0x26/0x1f0 [ 79.120801][ T5063] addrconf_prefix_route+0x2fe/0x510 [ 79.126103][ T5063] ? addrconf_add_mroute+0x350/0x350 [ 79.131429][ T5063] inet6_addr_add+0x605/0xbe0 [ 79.136216][ T5063] inet6_rtm_newaddr+0x11da/0x1ab0 [ 79.141371][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 79.147471][ T5063] ? trace_contention_end+0xd6/0x100 [ 79.152858][ T5063] ? __mutex_lock+0x1a6/0x9d0 [ 79.157575][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 79.163669][ T5063] rtnetlink_rcv_msg+0x3c7/0xe00 [ 79.168622][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 79.173314][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 79.179317][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 79.185328][ T5063] netlink_rcv_skb+0x16b/0x440 [ 79.190130][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 79.194820][ T5063] ? netlink_ack+0x1380/0x1380 [ 79.199598][ T5063] ? lock_sync+0x190/0x190 [ 79.204131][ T5063] ? netlink_deliver_tap+0x1a0/0xd00 [ 79.209430][ T5063] ? _copy_from_iter+0x2c1/0x10f0 [ 79.214475][ T5063] netlink_unicast+0x53b/0x810 [ 79.219262][ T5063] ? netlink_attachskb+0x880/0x880 [ 79.224393][ T5063] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 79.230306][ T5063] ? __phys_addr_symbol+0x30/0x70 [ 79.235347][ T5063] ? __check_object_size+0x323/0x730 [ 79.240736][ T5063] netlink_sendmsg+0x8b7/0xd70 [ 79.245530][ T5063] ? netlink_unicast+0x810/0x810 [ 79.250670][ T5063] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 79.255966][ T5063] ? netlink_unicast+0x810/0x810 [ 79.260918][ T5063] __sock_sendmsg+0xd5/0x180 [ 79.265543][ T5063] ____sys_sendmsg+0x6ac/0x940 [ 79.270318][ T5063] ? copy_msghdr_from_user+0x10b/0x160 [ 79.275789][ T5063] ? kernel_sendmsg+0x50/0x50 [ 79.280472][ T5063] ? hlock_class+0x4e/0x130 [ 79.285000][ T5063] ___sys_sendmsg+0x135/0x1d0 [ 79.289696][ T5063] ? do_recvmmsg+0x740/0x740 [ 79.294328][ T5063] ? recalc_sigpending_tsk+0x187/0x1d0 [ 79.299820][ T5063] ? __fget_light+0x1fc/0x260 [ 79.304511][ T5063] __sys_sendmsg+0x117/0x1e0 [ 79.309112][ T5063] ? __sys_sendmsg_sock+0x30/0x30 [ 79.314189][ T5063] ? ptrace_notify+0xf4/0x130 [ 79.318895][ T5063] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 79.325163][ T5063] do_syscall_64+0x40/0x110 [ 79.329684][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 79.335640][ T5063] RIP: 0033:0x7f0349761f89 [ 79.340059][ 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 [ 79.359848][ T5063] RSP: 002b:00007fff037a35d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 79.368616][ T5063] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0349761f89 [ 79.377025][ T5063] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 79.385087][ T5063] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555571d4610 [ 79.393065][ T5063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 79.401038][ T5063] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 79.409118][ T5063] [ 79.412335][ T5063] Kernel Offset: disabled [ 79.416836][ T5063] Rebooting in 86400 seconds..