Warning: Permanently added '10.128.0.198' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 84.442595][ T27] audit: type=1400 audit(1600630846.930:8): avc: denied { execmem } for pid=6877 comm="syz-executor026" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 84.482990][ T6878] A link change request failed with some changes committed already. Interface eth0 may have been left with an inconsistent configuration, please check. [ 84.512482][ C0] ------------[ cut here ]------------ [ 84.518891][ C0] Illegal XDP return value 4294967274, expect packet loss! [ 84.528697][ C0] WARNING: CPU: 0 PID: 6879 at net/core/filter.c:7193 bpf_warn_invalid_xdp_action+0x6f/0x80 [ 84.539850][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 84.547388][ C0] CPU: 0 PID: 6879 Comm: syz-executor026 Not tainted 5.9.0-rc5-syzkaller #0 [ 84.557665][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.569288][ C0] Call Trace: [ 84.572775][ C0] [ 84.576161][ C0] dump_stack+0x198/0x1fd [ 84.582184][ C0] panic+0x382/0x7fb [ 84.586409][ C0] ? __warn_printk+0xf3/0xf3 [ 84.592034][ C0] ? __warn.cold+0x5/0x4b [ 84.597765][ C0] ? __warn+0xd6/0x1f2 [ 84.602106][ C0] ? bpf_warn_invalid_xdp_action+0x6f/0x80 [ 84.609325][ C0] __warn.cold+0x20/0x4b [ 84.615542][ C0] ? bpf_warn_invalid_xdp_action+0x6f/0x80 [ 84.623245][ C0] report_bug+0x1bd/0x210 [ 84.628088][ C0] handle_bug+0x38/0x90 [ 84.633931][ C0] ? __warn_printk+0xc6/0xf3 [ 84.638889][ C0] exc_invalid_op+0x14/0x40 [ 84.643483][ C0] asm_exc_invalid_op+0x12/0x20 [ 84.648352][ C0] RIP: 0010:bpf_warn_invalid_xdp_action+0x6f/0x80 [ 84.655065][ C0] Code: 00 60 45 89 41 83 fc 04 48 c7 c6 40 60 45 89 48 0f 46 ee e8 d3 93 02 fb 44 89 e2 48 c7 c7 80 60 45 89 48 89 ee e8 c3 cf d2 fa <0f> 0b 5b 5d 41 5c e9 b6 93 02 fb 66 0f 1f 44 00 00 41 57 41 56 49 [ 84.675618][ C0] RSP: 0018:ffffc90000007a80 EFLAGS: 00010286 [ 84.682203][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 84.691278][ C0] RDX: ffff88809ef560c0 RSI: ffffffff815f5a85 RDI: fffff52000000f42 [ 84.699474][ C0] RBP: ffffffff89456000 R08: 0000000000000001 R09: ffff8880ae4318e7 [ 84.708831][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffea [ 84.717765][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90000007c70 [ 84.727877][ C0] ? vprintk_func+0x95/0x1d4 [ 84.732774][ C0] netif_receive_generic_xdp+0xe65/0x1790 [ 84.738833][ C0] ? lock_is_held_type+0xbb/0xf0 [ 84.744314][ C0] __netif_receive_skb_core+0x11ee/0x36b0 [ 84.750174][ C0] ? generic_xdp_tx+0x710/0x710 [ 84.755497][ C0] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 84.762841][ C0] ? lock_acquire+0x1f3/0xae0 [ 84.768475][ C0] __netif_receive_skb_one_core+0xae/0x180 [ 84.774762][ C0] ? __netif_receive_skb_core+0x36b0/0x36b0 [ 84.781140][ C0] ? do_raw_spin_lock+0x120/0x2b0 [ 84.786711][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 84.791650][ C0] __netif_receive_skb+0x27/0x1c0 [ 84.796954][ C0] process_backlog+0x2e1/0x8e0 [ 84.801824][ C0] ? net_rx_action+0x2ad/0xfc0 [ 84.806837][ C0] net_rx_action+0x50d/0xfc0 [ 84.812071][ C0] ? napi_complete_done+0x940/0x940 [ 84.817368][ C0] ? sched_clock_cpu+0x18/0x1f0 [ 84.823330][ C0] ? lock_is_held_type+0xbb/0xf0 [ 84.828367][ C0] __do_softirq+0x1f8/0xb23 [ 84.833493][ C0] asm_call_on_stack+0xf/0x20 [ 84.838350][ C0] [ 84.841395][ C0] do_softirq_own_stack+0x9d/0xd0 [ 84.846436][ C0] do_softirq+0x154/0x1b0 [ 84.851249][ C0] ? netlink_create+0x3b6/0x5d0 [ 84.856118][ C0] __local_bh_enable_ip+0x196/0x1f0 [ 84.861405][ C0] netlink_create+0x3f6/0x5d0 [ 84.866119][ C0] ? rtnl_af_register+0xd0/0xd0 [ 84.871840][ C0] __sock_create+0x3de/0x780 [ 84.876447][ C0] __sys_socket+0xef/0x200 [ 84.881317][ C0] ? move_addr_to_kernel+0x70/0x70 [ 84.887470][ C0] ? lock_is_held_type+0xbb/0xf0 [ 84.892627][ C0] ? syscall_enter_from_user_mode+0x1d/0x60 [ 84.898640][ C0] ? check_preemption_disabled+0x50/0x130 [ 84.904484][ C0] __x64_sys_socket+0x6f/0xb0 [ 84.909352][ C0] ? syscall_enter_from_user_mode+0x1d/0x60 [ 84.915515][ C0] do_syscall_64+0x2d/0x70 [ 84.920040][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.926146][ C0] RIP: 0033:0x441849 [ 84.931055][ C0] Code: e8 fc ab 02 00 48 83 c4 18 c3 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 0f 83 1b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.956406][ C0] RSP: 002b:00007fffa740c458 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 84.964913][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441849 [ 84.973799][ C0] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000010 [ 84.981942][ C0] RBP: 00000000000149ed R08: 00000000004002c8 R09: 00000000004002c8 [ 84.990101][ C0] R10: 00000000004002c8 R11: 0000000000000246 R12: 00000000004025f0 [ 84.998420][ C0] R13: 0000000000402680 R14: 0000000000000000 R15: 0000000000000000 [ 85.008987][ C0] Kernel Offset: disabled [ 85.013505][ C0] Rebooting in 86400 seconds..