Warning: Permanently added '10.128.0.8' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 67.943082][ T8676] netlink: 4 bytes leftover after parsing attributes in process `syz-executor702'. [ 67.952494][ T8676] kasan: CONFIG_KASAN_INLINE enabled [ 67.957833][ T8676] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 67.966094][ T8676] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 67.973023][ T8676] CPU: 1 PID: 8676 Comm: syz-executor702 Not tainted 5.2.0+ #93 [ 67.980733][ T8676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.990772][ T8676] RIP: 0010:tcf_ife_init+0x25c/0x1850 [ 67.996118][ T8676] 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 [ 68.015694][ T8676] RSP: 0018:ffff88809b6feeb8 EFLAGS: 00010246 [ 68.021732][ T8676] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff110119ce9c8 [ 68.029692][ T8676] RDX: 0000000000000000 RSI: 1ffff110119ce9cf RDI: 0000000000000286 [ 68.037637][ T8676] RBP: ffff88809b6ff060 R08: 0000000000000002 R09: ffff88808ce74e48 [ 68.045583][ T8676] R10: fffffbfff1345337 R11: ffffffff89a299bf R12: 0000000000000001 [ 68.053563][ T8676] R13: ffff888215c44040 R14: ffff88809b6ff8c0 R15: 0000000000000000 [ 68.061510][ T8676] FS: 0000555555727880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 68.070425][ T8676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.076980][ T8676] CR2: 0000000020000180 CR3: 0000000096563000 CR4: 00000000001406e0 [ 68.085022][ T8676] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.092966][ T8676] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.100909][ T8676] Call Trace: [ 68.104176][ T8676] ? tc_lookup_action_n+0xd2/0x100 [ 68.109261][ T8676] ? __add_metainfo+0x480/0x480 [ 68.114086][ T8676] ? tc_lookup_action_n+0xd2/0x100 [ 68.119172][ T8676] ? lock_downgrade+0x920/0x920 [ 68.123999][ T8676] ? __kasan_check_write+0x14/0x20 [ 68.129081][ T8676] ? do_raw_read_unlock+0x3f/0x70 [ 68.134359][ T8676] tcf_action_init_1+0x6f2/0xa80 [ 68.139276][ T8676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.145491][ T8676] ? tcf_action_dump_old+0x80/0x80 [ 68.150578][ T8676] ? lock_downgrade+0x920/0x920 [ 68.155403][ T8676] ? __kasan_check_read+0x11/0x20 [ 68.160401][ T8676] ? mark_lock+0xc0/0x11e0 [ 68.164828][ T8676] tcf_action_init+0x241/0x360 [ 68.169710][ T8676] ? tcf_action_init_1+0xa80/0xa80 [ 68.174818][ T8676] ? mark_lock+0xc0/0x11e0 [ 68.179368][ T8676] ? mark_lock+0xc0/0x11e0 [ 68.183774][ T8676] ? __kasan_check_read+0x11/0x20 [ 68.188786][ T8676] tcf_action_add+0xe8/0x370 [ 68.193360][ T8676] ? tca_action_gd+0x1730/0x1730 [ 68.198732][ T8676] ? refcount_dec_not_one+0x1f0/0x1f0 [ 68.204092][ T8676] ? __nla_parse+0x43/0x60 [ 68.208489][ T8676] tc_ctl_action+0x3b5/0x4bc [ 68.213067][ T8676] ? tcf_action_add+0x370/0x370 [ 68.217899][ T8676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.224202][ T8676] ? tcf_action_add+0x370/0x370 [ 68.229110][ T8676] rtnetlink_rcv_msg+0x463/0xb00 [ 68.234036][ T8676] ? rtnetlink_put_metrics+0x590/0x590 [ 68.239597][ T8676] ? lock_downgrade+0x920/0x920 [ 68.244440][ T8676] ? netlink_deliver_tap+0x22d/0xbf0 [ 68.249714][ T8676] ? find_held_lock+0x35/0x130 [ 68.254575][ T8676] netlink_rcv_skb+0x177/0x450 [ 68.259318][ T8676] ? rtnetlink_put_metrics+0x590/0x590 [ 68.264881][ T8676] ? netlink_ack+0xb50/0xb50 [ 68.269453][ T8676] ? __kasan_check_read+0x11/0x20 [ 68.274461][ T8676] ? netlink_deliver_tap+0x254/0xbf0 [ 68.279904][ T8676] rtnetlink_rcv+0x1d/0x30 [ 68.284323][ T8676] netlink_unicast+0x531/0x710 [ 68.289183][ T8676] ? netlink_attachskb+0x7c0/0x7c0 [ 68.294392][ T8676] ? _copy_from_iter_full+0x25d/0x8c0 [ 68.300137][ T8676] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 68.305863][ T8676] ? __check_object_size+0x3d/0x43c [ 68.311058][ T8676] netlink_sendmsg+0x8ae/0xd70 [ 68.315819][ T8676] ? netlink_unicast+0x710/0x710 [ 68.320741][ T8676] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 68.326386][ T8676] ? apparmor_socket_sendmsg+0x2a/0x30 [ 68.331836][ T8676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.338076][ T8676] ? security_socket_sendmsg+0x8d/0xc0 [ 68.343532][ T8676] ? netlink_unicast+0x710/0x710 [ 68.348451][ T8676] sock_sendmsg+0xd7/0x130 [ 68.352904][ T8676] ___sys_sendmsg+0x803/0x920 [ 68.357571][ T8676] ? copy_msghdr_from_user+0x440/0x440 [ 68.363020][ T8676] ? prep_transhuge_page+0xa0/0xa0 [ 68.368124][ T8676] ? __lock_acquire+0x8a0/0x4690 [ 68.373168][ T8676] ? percpu_counter_add_batch+0x13c/0x190 [ 68.379218][ T8676] ? __do_page_fault+0x56a/0xdd0 [ 68.384149][ T8676] ? find_held_lock+0x35/0x130 [ 68.388892][ T8676] ? __do_page_fault+0x56a/0xdd0 [ 68.393834][ T8676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.400075][ T8676] ? __fget_light+0x1a9/0x230 [ 68.404864][ T8676] ? __fdget+0x1b/0x20 [ 68.408921][ T8676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 68.415278][ T8676] __sys_sendmsg+0x105/0x1d0 [ 68.419865][ T8676] ? __sys_sendmsg_sock+0xd0/0xd0 [ 68.424877][ T8676] ? down_read_non_owner+0x450/0x450 [ 68.430164][ T8676] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 68.435609][ T8676] ? do_syscall_64+0x26/0x6a0 [ 68.440384][ T8676] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.446529][ T8676] ? do_syscall_64+0x26/0x6a0 [ 68.451256][ T8676] __x64_sys_sendmsg+0x78/0xb0 [ 68.456014][ T8676] do_syscall_64+0xfd/0x6a0 [ 68.460512][ T8676] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.466516][ T8676] RIP: 0033:0x4401d9 [ 68.470391][ T8676] 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 [ 68.490282][ T8676] RSP: 002b:00007fffc9faeb58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.498854][ T8676] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401d9 [ 68.506815][ T8676] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 [ 68.514766][ T8676] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 68.523017][ T8676] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a60 [ 68.530967][ T8676] R13: 0000000000401af0 R14: 0000000000000000 R15: 0000000000000000 [ 68.539075][ T8676] Modules linked in: [ 68.543533][ T8676] ---[ end trace 4b8f413fc2882bd2 ]--- [ 68.548992][ T8676] RIP: 0010:tcf_ife_init+0x25c/0x1850 [ 68.554405][ T8676] 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 [ 68.574809][ T8676] RSP: 0018:ffff88809b6feeb8 EFLAGS: 00010246 [ 68.581049][ T8676] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff110119ce9c8 [ 68.589011][ T8676] RDX: 0000000000000000 RSI: 1ffff110119ce9cf RDI: 0000000000000286 [ 68.597150][ T8676] RBP: ffff88809b6ff060 R08: 0000000000000002 R09: ffff88808ce74e48 [ 68.605120][ T8676] R10: fffffbfff1345337 R11: ffffffff89a299bf R12: 0000000000000001 [ 68.613112][ T8676] R13: ffff888215c44040 R14: ffff88809b6ff8c0 R15: 0000000000000000 [ 68.621113][ T8676] FS: 0000555555727880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 68.630087][ T8676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.636660][ T8676] CR2: 0000000020000180 CR3: 0000000096563000 CR4: 00000000001406e0 [ 68.644757][ T8676] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.653540][ T8676] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.661712][ T8676] Kernel panic - not syncing: Fatal exception [ 68.668827][ T8676] Kernel Offset: disabled [ 68.673150][ T8676] Rebooting in 86400 seconds..