Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. executing program [ 37.791344] netlink: 'syz-executor532': attribute type 3 has an invalid length. [ 37.798925] netlink: 'syz-executor532': attribute type 2 has an invalid length. [ 37.806953] WARNING: CPU: 1 PID: 5927 at net/netfilter/nfnetlink_cttimeout.c:478 cttimeout_default_get+0x1df/0xb30 [ 37.817492] Kernel panic - not syncing: panic_on_warn set ... [ 37.823363] CPU: 1 PID: 5927 Comm: syz-executor532 Not tainted 4.20.0-rc2+ #238 [ 37.830789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.840170] Call Trace: [ 37.842743] dump_stack+0x244/0x39d [ 37.846358] ? dump_stack_print_info.cold.1+0x20/0x20 [ 37.851538] panic+0x2ad/0x55c [ 37.854712] ? add_taint.cold.5+0x16/0x16 [ 37.858850] ? __warn.cold.8+0x5/0x45 [ 37.862644] ? __warn+0xe8/0x1d0 [ 37.866010] ? cttimeout_default_get+0x1df/0xb30 [ 37.871017] __warn.cold.8+0x20/0x45 [ 37.874714] ? rcu_softirq_qs+0x20/0x20 [ 37.878679] ? cttimeout_default_get+0x1df/0xb30 [ 37.883418] report_bug+0x254/0x2d0 [ 37.887033] do_error_trap+0x11b/0x200 [ 37.890907] do_invalid_op+0x36/0x40 [ 37.894602] ? cttimeout_default_get+0x1df/0xb30 [ 37.899367] invalid_op+0x14/0x20 [ 37.902809] RIP: 0010:cttimeout_default_get+0x1df/0xb30 [ 37.908160] 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 f1 20 fb <0f> 0b 41 bd a1 ff ff ff eb 06 41 bd a1 ff ff ff e8 7c f1 20 fb 48 [ 37.927045] RSP: 0018:ffff8881b9877260 EFLAGS: 00010293 [ 37.932393] RAX: ffff8881c2e1e380 RBX: ffffffff88bf58e0 RCX: ffffffff865e961c [ 37.939655] RDX: 0000000000000000 RSI: ffffffff865e964f RDI: 0000000000000001 [ 37.947042] RBP: ffff8881b9877370 R08: ffff8881c2e1e380 R09: ffffed103b5e5b67 [ 37.954292] R10: 0000000000000002 R11: ffff8881daf2db3b R12: 0000000000000088 [ 37.961575] R13: ffff8881bc859a00 R14: 0000000000000000 R15: 0000000000000088 [ 37.968846] ? cttimeout_default_get+0x1ac/0xb30 [ 37.973589] ? cttimeout_default_get+0x1df/0xb30 [ 37.978343] ? lock_downgrade+0x900/0x900 [ 37.982475] ? check_preemption_disabled+0x48/0x280 [ 37.987478] ? cttimeout_new_timeout+0x8c0/0x8c0 [ 37.992218] ? __lock_is_held+0xb5/0x140 [ 37.996267] ? cttimeout_new_timeout+0x8c0/0x8c0 [ 38.001009] nfnetlink_rcv_msg+0xdd3/0x10c0 [ 38.005327] ? nfnetlink_bind+0x3b0/0x3b0 [ 38.009469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.014992] ? refcount_sub_and_test_checked+0x203/0x310 [ 38.020429] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 38.025866] ? netlink_deliver_tap+0x32e/0xf80 [ 38.030440] ? lock_downgrade+0x900/0x900 [ 38.034571] ? check_preemption_disabled+0x48/0x280 [ 38.039573] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.045103] ? apparmor_capable+0x355/0x6c0 [ 38.049422] ? rcu_softirq_qs+0x20/0x20 [ 38.053383] ? apparmor_cred_transfer+0x590/0x590 [ 38.058207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.063733] netlink_rcv_skb+0x172/0x440 [ 38.067796] ? nfnetlink_bind+0x3b0/0x3b0 [ 38.071931] ? netlink_ack+0xb80/0xb80 [ 38.075803] ? __netlink_ns_capable+0x100/0x130 [ 38.080467] nfnetlink_rcv+0x1c0/0x4d0 [ 38.084339] ? nfnetlink_rcv_batch+0x19b0/0x19b0 [ 38.089094] ? kasan_check_write+0x14/0x20 [ 38.093320] netlink_unicast+0x5a5/0x760 [ 38.097369] ? netlink_attachskb+0x9a0/0x9a0 [ 38.101763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.107299] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 38.112319] netlink_sendmsg+0xa18/0xfc0 [ 38.116368] ? move_addr_to_kernel.part.18+0xc6/0x100 [ 38.121545] ? netlink_unicast+0x760/0x760 [ 38.125762] ? aa_sock_msg_perm.isra.14+0xba/0x160 [ 38.130676] ? apparmor_socket_sendmsg+0x29/0x30 [ 38.135420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.140954] ? security_socket_sendmsg+0x94/0xc0 [ 38.145696] ? netlink_unicast+0x760/0x760 [ 38.149918] sock_sendmsg+0xd5/0x120 [ 38.153613] ___sys_sendmsg+0x7fd/0x930 [ 38.157847] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 38.162678] ? copy_msghdr_from_user+0x580/0x580 [ 38.167420] ? __fd_install+0x2b5/0x8f0 [ 38.171381] ? lock_downgrade+0x900/0x900 [ 38.175524] ? zap_class+0x640/0x640 [ 38.179232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.184751] ? __fget_light+0x2e9/0x430 [ 38.188720] ? fget_raw+0x20/0x20 [ 38.192164] ? __do_page_fault+0x620/0xe60 [ 38.196408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 38.201928] ? sockfd_lookup_light+0xc5/0x160 [ 38.206413] __sys_sendmsg+0x11d/0x280 [ 38.210284] ? __ia32_sys_shutdown+0x80/0x80 [ 38.214685] ? up_read+0x225/0x2c0 [ 38.218229] ? do_fast_syscall_32+0x150/0xfb2 [ 38.222708] ? do_fast_syscall_32+0x150/0xfb2 [ 38.227190] ? trace_hardirqs_off_caller+0x310/0x310 [ 38.232278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.237798] ? __do_page_fault+0x491/0xe60 [ 38.242017] __ia32_compat_sys_sendmsg+0x7a/0xb0 [ 38.246768] do_fast_syscall_32+0x34d/0xfb2 [ 38.251077] ? do_int80_syscall_32+0x890/0x890 [ 38.255653] ? entry_SYSENTER_compat+0x68/0x7f [ 38.260225] ? trace_hardirqs_off_caller+0xbb/0x310 [ 38.265226] ? syscall_return_slowpath+0x5e0/0x5e0 [ 38.270137] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.274962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.279788] ? trace_hardirqs_on_caller+0x310/0x310 [ 38.284794] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 38.289802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.295321] ? prepare_exit_to_usermode+0x291/0x3b0 [ 38.300321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.305165] entry_SYSENTER_compat+0x70/0x7f [ 38.309565] RIP: 0023:0xf7fd0a29 [ 38.312917] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 38.331802] RSP: 002b:00000000ff8f8c3c EFLAGS: 00000213 ORIG_RAX: 0000000000000172 [ 38.339492] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020dddfc8 [ 38.346744] RDX: 0000000000000000 RSI: 00000000080ea078 RDI: 00000000ff8f8c90 [ 38.353999] RBP: 0000000000001000 R08: 0000000000000000 R09: 0000000000000000 [ 38.361251] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 38.368505] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 38.376932] Kernel Offset: disabled [ 38.380638] Rebooting in 86400 seconds..