./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1885760218 <...> Warning: Permanently added '10.128.1.29' (ED25519) to the list of known hosts. execve("./syz-executor1885760218", ["./syz-executor1885760218"], 0x7ffedbec5060 /* 10 vars */) = 0 brk(NULL) = 0x55555620d000 brk(0x55555620dd00) = 0x55555620dd00 arch_prctl(ARCH_SET_FS, 0x55555620d380) = 0 set_tid_address(0x55555620d650) = 5060 set_robust_list(0x55555620d660, 24) = 0 rseq(0x55555620dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1885760218", 4096) = 28 getrandom("\x3f\xb8\x3c\x2d\x36\xc2\x09\x61", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555620dd00 brk(0x55555622ed00) = 0x55555622ed00 brk(0x55555622f000) = 0x55555622f000 mprotect(0x7f0b23708000, 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 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [ 72.360487][ T5060] IPv6: NLM_F_CREATE should be specified when creating new route [ 72.369148][ T5060] ------------[ cut here ]------------ [ 72.374624][ T5060] WARNING: CPU: 1 PID: 5060 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 72.384869][ T5060] Modules linked in: [ 72.388851][ T5060] CPU: 1 PID: 5060 Comm: syz-executor188 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 72.399310][ T5060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 72.409430][ T5060] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 72.415750][ T5060] 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 [ 72.435731][ T5060] RSP: 0018:ffffc9000390f400 EFLAGS: 00010293 [ 72.441794][ T5060] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 72.449826][ T5060] RDX: ffff8880274b8000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 72.457899][ T5060] RBP: ffffc9000390f4f0 R08: 0000000000000005 R09: 0000000000000000 [ 72.465944][ T5060] R10: 0000000000400000 R11: ffffffff8aa0008b R12: ffffffffffffffed [ 72.473934][ T5060] R13: ffff88802163ac2c R14: ffffc9000390f594 R15: ffff88802163ac00 [ 72.481983][ T5060] FS: 000055555620d380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 72.490969][ T5060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.497615][ T5060] CR2: 000000000045ad50 CR3: 0000000074405000 CR4: 00000000003506f0 [ 72.505640][ T5060] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.513615][ T5060] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.521638][ T5060] Call Trace: [ 72.525512][ T5060] [ 72.528447][ T5060] ? show_regs+0x8f/0xa0 [ 72.532684][ T5060] ? __warn+0xe6/0x390 [ 72.536815][ T5060] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.542476][ T5060] ? report_bug+0x3bc/0x580 [ 72.547029][ T5060] ? handle_bug+0x3d/0x70 [ 72.551382][ T5060] ? exc_invalid_op+0x17/0x40 [ 72.556158][ T5060] ? asm_exc_invalid_op+0x1a/0x20 [ 72.561198][ T5060] ? entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 72.567324][ T5060] ? ip6_route_info_create+0x19c8/0x1f10 [ 72.572977][ T5060] ? ip6_route_info_create+0x1a19/0x1f10 [ 72.578711][ T5060] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.584372][ T5060] ? fib6_nh_init+0x1db0/0x1db0 [ 72.589268][ T5060] ? __mutex_trylock_common+0xeb/0x250 [ 72.594753][ T5060] ip6_route_add+0x26/0x1f0 [ 72.599364][ T5060] inet6_rtm_newroute+0x160/0x170 [ 72.604420][ T5060] ? ip6_route_multipath_add+0x2480/0x2480 [ 72.610291][ T5060] ? __mutex_lock+0x1a6/0x9d0 [ 72.615068][ T5060] ? ip6_route_multipath_add+0x2480/0x2480 [ 72.620877][ T5060] rtnetlink_rcv_msg+0x3c7/0xe00 [ 72.625853][ T5060] ? rtnl_fill_vf+0x490/0x490 [ 72.630555][ T5060] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.636614][ T5060] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.642628][ T5060] netlink_rcv_skb+0x16b/0x440 [ 72.647478][ T5060] ? rtnl_fill_vf+0x490/0x490 [ 72.652186][ T5060] ? netlink_ack+0x1380/0x1380 [ 72.657034][ T5060] ? lock_sync+0x190/0x190 [ 72.661486][ T5060] ? netlink_deliver_tap+0x1a0/0xd00 [ 72.666837][ T5060] ? _copy_from_iter+0x2c1/0x10f0 [ 72.671902][ T5060] netlink_unicast+0x53b/0x810 [ 72.676758][ T5060] ? netlink_attachskb+0x880/0x880 [ 72.681925][ T5060] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 72.687867][ T5060] ? __phys_addr_symbol+0x30/0x70 [ 72.692922][ T5060] ? __check_object_size+0x323/0x730 [ 72.698286][ T5060] netlink_sendmsg+0x8b7/0xd70 [ 72.703101][ T5060] ? netlink_unicast+0x810/0x810 [ 72.708095][ T5060] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 72.713402][ T5060] ? netlink_unicast+0x810/0x810 [ 72.718411][ T5060] __sock_sendmsg+0xd5/0x180 [ 72.723045][ T5060] ____sys_sendmsg+0x6ac/0x940 [ 72.727869][ T5060] ? copy_msghdr_from_user+0x10b/0x160 [ 72.733368][ T5060] ? kernel_sendmsg+0x50/0x50 [ 72.738121][ T5060] ? hlock_class+0x4e/0x130 [ 72.742654][ T5060] ___sys_sendmsg+0x135/0x1d0 [ 72.747387][ T5060] ? do_recvmmsg+0x740/0x740 [ 72.752015][ T5060] ? recalc_sigpending_tsk+0x187/0x1d0 [ 72.757531][ T5060] ? __fget_light+0x1fc/0x260 [ 72.762224][ T5060] __sys_sendmsg+0x117/0x1e0 [ 72.766852][ T5060] ? __sys_sendmsg_sock+0x30/0x30 [ 72.771918][ T5060] ? ptrace_notify+0xf4/0x130 [ 72.776674][ T5060] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 72.782952][ T5060] do_syscall_64+0x40/0x110 [ 72.787522][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 72.793441][ T5060] RIP: 0033:0x7f0b23695469 [ 72.797942][ T5060] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 [ 72.817650][ T5060] RSP: 002b:00007ffd160e63f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.826143][ T5060] RAX: ffffffffffffffda RBX: 00007ffd160e65c8 RCX: 00007f0b23695469 [ 72.834175][ T5060] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 72.842217][ T5060] RBP: 00007f0b23708610 R08: 0000000000000006 R09: 00007ffd160e65c8 [ 72.850242][ T5060] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000001 [ 72.858317][ T5060] R13: 00007ffd160e65b8 R14: 0000000000000001 R15: 0000000000000001 [ 72.866364][ T5060] [ 72.869403][ T5060] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.876678][ T5060] CPU: 1 PID: 5060 Comm: syz-executor188 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 72.887081][ T5060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 72.897142][ T5060] Call Trace: [ 72.900414][ T5060] [ 72.903334][ T5060] dump_stack_lvl+0xd9/0x1b0 [ 72.907923][ T5060] panic+0x6dc/0x790 [ 72.911812][ T5060] ? panic_smp_self_stop+0xa0/0xa0 [ 72.916922][ T5060] ? show_trace_log_lvl+0x363/0x4f0 [ 72.922138][ T5060] ? check_panic_on_warn+0x1f/0xb0 [ 72.927245][ T5060] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.932871][ T5060] check_panic_on_warn+0xab/0xb0 [ 72.937800][ T5060] __warn+0xf2/0x390 [ 72.941685][ T5060] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.947308][ T5060] report_bug+0x3bc/0x580 [ 72.951629][ T5060] handle_bug+0x3d/0x70 [ 72.955784][ T5060] exc_invalid_op+0x17/0x40 [ 72.960279][ T5060] asm_exc_invalid_op+0x1a/0x20 [ 72.965120][ T5060] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 72.971352][ T5060] 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 [ 72.990965][ T5060] RSP: 0018:ffffc9000390f400 EFLAGS: 00010293 [ 72.997047][ T5060] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 73.005028][ T5060] RDX: ffff8880274b8000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 73.013002][ T5060] RBP: ffffc9000390f4f0 R08: 0000000000000005 R09: 0000000000000000 [ 73.020972][ T5060] R10: 0000000000400000 R11: ffffffff8aa0008b R12: ffffffffffffffed [ 73.028945][ T5060] R13: ffff88802163ac2c R14: ffffc9000390f594 R15: ffff88802163ac00 [ 73.036924][ T5060] ? entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 73.043012][ T5060] ? ip6_route_info_create+0x19c8/0x1f10 [ 73.048656][ T5060] ? ip6_route_info_create+0x1a19/0x1f10 [ 73.054313][ T5060] ? fib6_nh_init+0x1db0/0x1db0 [ 73.059182][ T5060] ? __mutex_trylock_common+0xeb/0x250 [ 73.064655][ T5060] ip6_route_add+0x26/0x1f0 [ 73.069169][ T5060] inet6_rtm_newroute+0x160/0x170 [ 73.074202][ T5060] ? ip6_route_multipath_add+0x2480/0x2480 [ 73.080020][ T5060] ? __mutex_lock+0x1a6/0x9d0 [ 73.084731][ T5060] ? ip6_route_multipath_add+0x2480/0x2480 [ 73.090547][ T5060] rtnetlink_rcv_msg+0x3c7/0xe00 [ 73.095507][ T5060] ? rtnl_fill_vf+0x490/0x490 [ 73.100194][ T5060] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.106191][ T5060] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.112193][ T5060] netlink_rcv_skb+0x16b/0x440 [ 73.116972][ T5060] ? rtnl_fill_vf+0x490/0x490 [ 73.121658][ T5060] ? netlink_ack+0x1380/0x1380 [ 73.126436][ T5060] ? lock_sync+0x190/0x190 [ 73.130883][ T5060] ? netlink_deliver_tap+0x1a0/0xd00 [ 73.136179][ T5060] ? _copy_from_iter+0x2c1/0x10f0 [ 73.141223][ T5060] netlink_unicast+0x53b/0x810 [ 73.146003][ T5060] ? netlink_attachskb+0x880/0x880 [ 73.151124][ T5060] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 73.157027][ T5060] ? __phys_addr_symbol+0x30/0x70 [ 73.162060][ T5060] ? __check_object_size+0x323/0x730 [ 73.167361][ T5060] netlink_sendmsg+0x8b7/0xd70 [ 73.172142][ T5060] ? netlink_unicast+0x810/0x810 [ 73.177098][ T5060] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 73.182393][ T5060] ? netlink_unicast+0x810/0x810 [ 73.187380][ T5060] __sock_sendmsg+0xd5/0x180 [ 73.191981][ T5060] ____sys_sendmsg+0x6ac/0x940 [ 73.196751][ T5060] ? copy_msghdr_from_user+0x10b/0x160 [ 73.202231][ T5060] ? kernel_sendmsg+0x50/0x50 [ 73.206910][ T5060] ? hlock_class+0x4e/0x130 [ 73.211439][ T5060] ___sys_sendmsg+0x135/0x1d0 [ 73.216132][ T5060] ? do_recvmmsg+0x740/0x740 [ 73.220760][ T5060] ? recalc_sigpending_tsk+0x187/0x1d0 [ 73.226225][ T5060] ? __fget_light+0x1fc/0x260 [ 73.230922][ T5060] __sys_sendmsg+0x117/0x1e0 [ 73.235521][ T5060] ? __sys_sendmsg_sock+0x30/0x30 [ 73.240568][ T5060] ? ptrace_notify+0xf4/0x130 [ 73.245254][ T5060] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 73.251507][ T5060] do_syscall_64+0x40/0x110 [ 73.256022][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 73.261931][ T5060] RIP: 0033:0x7f0b23695469 [ 73.266351][ T5060] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 [ 73.285964][ T5060] RSP: 002b:00007ffd160e63f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.294381][ T5060] RAX: ffffffffffffffda RBX: 00007ffd160e65c8 RCX: 00007f0b23695469 [ 73.302357][ T5060] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 73.310356][ T5060] RBP: 00007f0b23708610 R08: 0000000000000006 R09: 00007ffd160e65c8 [ 73.318329][ T5060] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000001 [ 73.326303][ T5060] R13: 00007ffd160e65b8 R14: 0000000000000001 R15: 0000000000000001 [ 73.334291][ T5060] [ 73.337482][ T5060] Kernel Offset: disabled [ 73.341869][ T5060] Rebooting in 86400 seconds..