Warning: Permanently added '10.128.10.28' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 77.677954][ T9171] netlink: 4 bytes leftover after parsing attributes in process `syz-executor733'. [ 77.687463][ T9171] kasan: CONFIG_KASAN_INLINE enabled [ 77.692849][ T9171] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 77.701213][ T9171] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 77.708215][ T9171] CPU: 0 PID: 9171 Comm: syz-executor733 Not tainted 5.2.0+ #93 [ 77.715870][ T9171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.725968][ T9171] RIP: 0010:tcf_ife_init+0x25c/0x1850 [ 77.731326][ T9171] Code: 00 00 48 c7 c7 c0 aa da 88 e8 40 13 a9 fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c7 85 e8 fe ff ff 00 00 00 00 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 e2 [ 77.750916][ T9171] RSP: 0018:ffff8880a3126eb8 EFLAGS: 00010246 [ 77.756961][ T9171] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11011db09e8 [ 77.764957][ T9171] RDX: 0000000000000000 RSI: 1ffff11011db09ef RDI: 0000000000000286 [ 77.772914][ T9171] RBP: ffff8880a3127060 R08: 0000000000000002 R09: ffff88808ed84f48 [ 77.780867][ T9171] R10: fffffbfff1345337 R11: ffffffff89a299bf R12: 0000000000000001 [ 77.788844][ T9171] R13: ffff88809b5b6dc0 R14: ffff8880a31278c0 R15: 0000000000000000 [ 77.796806][ T9171] FS: 0000555556740880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 77.805720][ T9171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.812318][ T9171] CR2: 0000000020000180 CR3: 000000009ce3a000 CR4: 00000000001406f0 [ 77.820307][ T9171] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.828271][ T9171] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.836234][ T9171] Call Trace: [ 77.839516][ T9171] ? tc_lookup_action_n+0xd2/0x100 [ 77.844604][ T9171] ? __add_metainfo+0x480/0x480 [ 77.849446][ T9171] ? tc_lookup_action_n+0xd2/0x100 [ 77.854601][ T9171] ? lock_downgrade+0x920/0x920 [ 77.859477][ T9171] ? __kasan_check_write+0x14/0x20 [ 77.864571][ T9171] ? do_raw_read_unlock+0x3f/0x70 [ 77.869602][ T9171] tcf_action_init_1+0x6f2/0xa80 [ 77.874558][ T9171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.880804][ T9171] ? tcf_action_dump_old+0x80/0x80 [ 77.885899][ T9171] ? lock_downgrade+0x920/0x920 [ 77.890733][ T9171] ? __kasan_check_read+0x11/0x20 [ 77.895743][ T9171] ? mark_lock+0xc0/0x11e0 [ 77.900166][ T9171] tcf_action_init+0x241/0x360 [ 77.904935][ T9171] ? tcf_action_init_1+0xa80/0xa80 [ 77.910033][ T9171] ? mark_lock+0xc0/0x11e0 [ 77.914431][ T9171] ? mark_lock+0xc0/0x11e0 [ 77.918856][ T9171] ? __kasan_check_read+0x11/0x20 [ 77.923862][ T9171] tcf_action_add+0xe8/0x370 [ 77.928435][ T9171] ? tca_action_gd+0x1730/0x1730 [ 77.933375][ T9171] ? refcount_dec_not_one+0x1f0/0x1f0 [ 77.938750][ T9171] ? __nla_parse+0x43/0x60 [ 77.943205][ T9171] tc_ctl_action+0x3b5/0x4bc [ 77.947781][ T9171] ? tcf_action_add+0x370/0x370 [ 77.952615][ T9171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.958856][ T9171] ? tcf_action_add+0x370/0x370 [ 77.963708][ T9171] rtnetlink_rcv_msg+0x463/0xb00 [ 77.968627][ T9171] ? rtnetlink_put_metrics+0x590/0x590 [ 77.974091][ T9171] ? lock_downgrade+0x920/0x920 [ 77.978936][ T9171] ? netlink_deliver_tap+0x22d/0xbf0 [ 77.984203][ T9171] ? find_held_lock+0x35/0x130 [ 77.988950][ T9171] netlink_rcv_skb+0x177/0x450 [ 77.993691][ T9171] ? rtnetlink_put_metrics+0x590/0x590 [ 77.999135][ T9171] ? netlink_ack+0xb50/0xb50 [ 78.003719][ T9171] ? __kasan_check_read+0x11/0x20 [ 78.008726][ T9171] ? netlink_deliver_tap+0x254/0xbf0 [ 78.013988][ T9171] rtnetlink_rcv+0x1d/0x30 [ 78.018414][ T9171] netlink_unicast+0x531/0x710 [ 78.023157][ T9171] ? netlink_attachskb+0x7c0/0x7c0 [ 78.028249][ T9171] ? _copy_from_iter_full+0x25d/0x8c0 [ 78.033601][ T9171] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 78.039317][ T9171] ? __check_object_size+0x3d/0x43c [ 78.044498][ T9171] netlink_sendmsg+0x8ae/0xd70 [ 78.049269][ T9171] ? netlink_unicast+0x710/0x710 [ 78.054229][ T9171] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 78.059759][ T9171] ? apparmor_socket_sendmsg+0x2a/0x30 [ 78.065433][ T9171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.071659][ T9171] ? security_socket_sendmsg+0x8d/0xc0 [ 78.077099][ T9171] ? netlink_unicast+0x710/0x710 [ 78.082043][ T9171] sock_sendmsg+0xd7/0x130 [ 78.086442][ T9171] ___sys_sendmsg+0x803/0x920 [ 78.091102][ T9171] ? copy_msghdr_from_user+0x440/0x440 [ 78.096573][ T9171] ? prep_transhuge_page+0xa0/0xa0 [ 78.101668][ T9171] ? __lock_acquire+0x8a0/0x4690 [ 78.106584][ T9171] ? percpu_counter_add_batch+0x13c/0x190 [ 78.112314][ T9171] ? __do_page_fault+0x56a/0xdd0 [ 78.117241][ T9171] ? find_held_lock+0x35/0x130 [ 78.122013][ T9171] ? __do_page_fault+0x56a/0xdd0 [ 78.126935][ T9171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.133165][ T9171] ? __fget_light+0x1a9/0x230 [ 78.137845][ T9171] ? __fdget+0x1b/0x20 [ 78.141898][ T9171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.148121][ T9171] __sys_sendmsg+0x105/0x1d0 [ 78.152689][ T9171] ? __sys_sendmsg_sock+0xd0/0xd0 [ 78.157701][ T9171] ? down_read_non_owner+0x450/0x450 [ 78.162990][ T9171] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 78.168435][ T9171] ? do_syscall_64+0x26/0x6a0 [ 78.173105][ T9171] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.179163][ T9171] ? do_syscall_64+0x26/0x6a0 [ 78.183868][ T9171] __x64_sys_sendmsg+0x78/0xb0 [ 78.190527][ T9171] do_syscall_64+0xfd/0x6a0 [ 78.197036][ T9171] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.206981][ T9171] RIP: 0033:0x4401d9 [ 78.215827][ T9171] 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 [ 78.243856][ T9171] RSP: 002b:00007ffd707f3178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.252542][ T9171] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401d9 [ 78.263156][ T9171] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 [ 78.271353][ T9171] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 78.279359][ T9171] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a60 [ 78.287428][ T9171] R13: 0000000000401af0 R14: 0000000000000000 R15: 0000000000000000 [ 78.299907][ T9171] Modules linked in: [ 78.303925][ T9171] ---[ end trace 3f97dbbc89490380 ]--- [ 78.309525][ T9171] RIP: 0010:tcf_ife_init+0x25c/0x1850 [ 78.314885][ T9171] Code: 00 00 48 c7 c7 c0 aa da 88 e8 40 13 a9 fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c7 85 e8 fe ff ff 00 00 00 00 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 e2 [ 78.334545][ T9171] RSP: 0018:ffff8880a3126eb8 EFLAGS: 00010246 [ 78.340649][ T9171] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11011db09e8 [ 78.348750][ T9171] RDX: 0000000000000000 RSI: 1ffff11011db09ef RDI: 0000000000000286 [ 78.356747][ T9171] RBP: ffff8880a3127060 R08: 0000000000000002 R09: ffff88808ed84f48 [ 78.364786][ T9171] R10: fffffbfff1345337 R11: ffffffff89a299bf R12: 0000000000000001 [ 78.372799][ T9171] R13: ffff88809b5b6dc0 R14: ffff8880a31278c0 R15: 0000000000000000 [ 78.380808][ T9171] FS: 0000555556740880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 78.389794][ T9171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.396372][ T9171] CR2: 0000000020000180 CR3: 000000009ce3a000 CR4: 00000000001406f0 [ 78.404389][ T9171] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.412428][ T9171] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.420677][ T9171] Kernel panic - not syncing: Fatal exception [ 78.427885][ T9171] Kernel Offset: disabled [ 78.432235][ T9171] Rebooting in 86400 seconds..