Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts. executing program [ 39.306062] netlink: 'syz-executor457': attribute type 3 has an invalid length. [ 39.313622] netlink: 'syz-executor457': attribute type 2 has an invalid length. [ 39.321595] WARNING: CPU: 1 PID: 6016 at net/netfilter/nfnetlink_cttimeout.c:478 cttimeout_default_get+0x1df/0xb30 [ 39.332136] Kernel panic - not syncing: panic_on_warn set ... [ 39.338007] CPU: 1 PID: 6016 Comm: syz-executor457 Not tainted 4.20.0-rc2+ #186 [ 39.345442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.354806] Call Trace: [ 39.357398] dump_stack+0x244/0x39d [ 39.361019] ? dump_stack_print_info.cold.1+0x20/0x20 [ 39.366213] panic+0x2ad/0x55c [ 39.369406] ? add_taint.cold.5+0x16/0x16 [ 39.373539] ? __warn.cold.8+0x5/0x45 [ 39.377335] ? __warn+0xe8/0x1d0 [ 39.380687] ? cttimeout_default_get+0x1df/0xb30 [ 39.385423] __warn.cold.8+0x20/0x45 [ 39.389123] ? rcu_softirq_qs+0x20/0x20 [ 39.393081] ? cttimeout_default_get+0x1df/0xb30 [ 39.397823] report_bug+0x254/0x2d0 [ 39.401435] do_error_trap+0x11b/0x200 [ 39.405307] do_invalid_op+0x36/0x40 [ 39.409006] ? cttimeout_default_get+0x1df/0xb30 [ 39.413754] invalid_op+0x14/0x20 [ 39.417190] RIP: 0010:cttimeout_default_get+0x1df/0xb30 [ 39.422535] Code: 00 0f 87 8d 00 00 00 41 80 ff 06 0f 84 94 07 00 00 41 80 ff 11 0f 84 6c 07 00 00 41 80 ff 01 0f 84 44 07 00 00 e8 91 e1 20 fb <0f> 0b 41 bd a1 ff ff ff eb 06 41 bd a1 ff ff ff e8 7c e1 20 fb 48 [ 39.441432] RSP: 0018:ffff8881c27df2b0 EFLAGS: 00010293 [ 39.446808] RAX: ffff8881b435a080 RBX: ffffffff88bf58e0 RCX: ffffffff865ea61c [ 39.454058] RDX: 0000000000000000 RSI: ffffffff865ea64f RDI: 0000000000000001 [ 39.461326] RBP: ffff8881c27df3c0 R08: ffff8881b435a080 R09: ffffed103b5e5b67 [ 39.468579] R10: 0000000000000002 R11: ffff8881daf2db3b R12: 0000000000000088 [ 39.475828] R13: ffff8881c15ff580 R14: 0000000000000017 R15: 0000000000000088 [ 39.483087] ? cttimeout_default_get+0x1ac/0xb30 [ 39.487829] ? cttimeout_default_get+0x1df/0xb30 [ 39.492574] ? lock_downgrade+0x900/0x900 [ 39.496705] ? check_preemption_disabled+0x48/0x280 [ 39.501707] ? cttimeout_new_timeout+0x8c0/0x8c0 [ 39.506453] ? __lock_is_held+0xb5/0x140 [ 39.510498] ? cttimeout_new_timeout+0x8c0/0x8c0 [ 39.515260] nfnetlink_rcv_msg+0xdd3/0x10c0 [ 39.519589] ? nfnetlink_bind+0x3b0/0x3b0 [ 39.523730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.529263] ? refcount_sub_and_test_checked+0x203/0x310 [ 39.534700] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 39.540141] ? netlink_deliver_tap+0x32e/0xf80 [ 39.544709] ? lock_downgrade+0x900/0x900 [ 39.548844] ? check_preemption_disabled+0x48/0x280 [ 39.553848] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 39.559367] ? apparmor_capable+0x355/0x6c0 [ 39.563670] ? rcu_softirq_qs+0x20/0x20 [ 39.567630] ? apparmor_cred_transfer+0x590/0x590 [ 39.572453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.577976] netlink_rcv_skb+0x172/0x440 [ 39.582026] ? nfnetlink_bind+0x3b0/0x3b0 [ 39.586164] ? netlink_ack+0xb80/0xb80 [ 39.590053] ? __netlink_ns_capable+0x100/0x130 [ 39.594708] nfnetlink_rcv+0x1c0/0x4d0 [ 39.598580] ? nfnetlink_rcv_batch+0x19b0/0x19b0 [ 39.603323] ? kasan_check_write+0x14/0x20 [ 39.607543] netlink_unicast+0x5a5/0x760 [ 39.611594] ? netlink_attachskb+0x9a0/0x9a0 [ 39.615984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.621504] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 39.626511] netlink_sendmsg+0xa18/0xfc0 [ 39.630561] ? netlink_unicast+0x760/0x760 [ 39.634777] ? aa_sock_msg_perm.isra.14+0xba/0x160 [ 39.639709] ? apparmor_socket_sendmsg+0x29/0x30 [ 39.644448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.649970] ? security_socket_sendmsg+0x94/0xc0 [ 39.654708] ? netlink_unicast+0x760/0x760 [ 39.658928] sock_sendmsg+0xd5/0x120 [ 39.662624] ___sys_sendmsg+0x7fd/0x930 [ 39.666580] ? find_held_lock+0x36/0x1c0 [ 39.670626] ? copy_msghdr_from_user+0x580/0x580 [ 39.675362] ? zap_class+0x640/0x640 [ 39.679060] ? zap_class+0x640/0x640 [ 39.682757] ? zap_class+0x640/0x640 [ 39.686457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.691977] ? __fget_light+0x2e9/0x430 [ 39.695933] ? fget_raw+0x20/0x20 [ 39.699408] ? __do_page_fault+0x620/0xe60 [ 39.703628] ? lock_downgrade+0x900/0x900 [ 39.707764] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 39.712680] ? kasan_check_read+0x11/0x20 [ 39.716813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 39.722330] ? sockfd_lookup_light+0xc5/0x160 [ 39.726811] __sys_sendmsg+0x11d/0x280 [ 39.730681] ? __ia32_sys_shutdown+0x80/0x80 [ 39.735072] ? up_read_non_owner+0x100/0x100 [ 39.739469] ? do_syscall_64+0x9a/0x820 [ 39.743424] ? do_syscall_64+0x9a/0x820 [ 39.747387] ? trace_hardirqs_off_caller+0x310/0x310 [ 39.752494] __x64_sys_sendmsg+0x78/0xb0 [ 39.756540] do_syscall_64+0x1b9/0x820 [ 39.760414] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 39.765794] ? syscall_return_slowpath+0x5e0/0x5e0 [ 39.770705] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.775547] ? trace_hardirqs_on_caller+0x310/0x310 [ 39.780550] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 39.785551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.791073] ? prepare_exit_to_usermode+0x291/0x3b0 [ 39.796076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.800903] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.806076] RIP: 0033:0x4400d9 [ 39.809281] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 39.828183] RSP: 002b:00007ffd921f81c8 EFLAGS: 00000213 ORIG_RAX: 000000000000002e [ 39.835872] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004400d9 [ 39.843126] RDX: 0000000000000000 RSI: 0000000020dddfc8 RDI: 0000000000000003 [ 39.850397] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 39.857651] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401960 [ 39.864900] R13: 00000000004019f0 R14: 0000000000000000 R15: 0000000000000000 [ 39.873211] Kernel Offset: disabled [ 39.876876] Rebooting in 86400 seconds..