8021q: adding VLAN 0 to HW filter on device batadv0 audit: type=1400 audit(1561785686.457:38): avc: denied { associate } for pid=7778 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 ------------[ cut here ]------------ hsr_addr_subst_dest: Unknown node WARNING: CPU: 1 PID: 7786 at net/hsr/hsr_framereg.c:313 hsr_addr_subst_dest+0x382/0x460 net/hsr/hsr_framereg.c:313 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7786 Comm: syz-executor.0 Not tainted 4.19.56 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x263/0x507 kernel/panic.c:185 __warn.cold+0x20/0x4a kernel/panic.c:540 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x204/0x360 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1013 RIP: 0010:hsr_addr_subst_dest+0x382/0x460 net/hsr/hsr_framereg.c:313 Code: 89 de e8 31 c7 84 fa 84 db 75 d3 e8 e8 c5 84 fa 48 c7 c6 80 bb fa 87 48 c7 c7 40 bb fa 87 c6 05 1f de 4f 02 01 e8 1c 9f 58 fa <0f> 0b eb b0 e8 c5 c5 84 fa 0f b6 1d 0b de 4f 02 31 ff 89 de e8 f5 RSP: 0018:ffff8880809274b0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8155b1c6 RDI: ffffed1010124e88 RBP: ffff8880809274f0 R08: ffff888095348080 R09: ffffed1015d24fe9 R10: ffffed1015d24fe8 R11: ffff8880ae927f47 R12: ffff88808126d120 R13: 0000000000000000 R14: 0000000047eef7b7 R15: 0000000000005e6f hsr_xmit net/hsr/hsr_forward.c:230 [inline] hsr_forward_do net/hsr/hsr_forward.c:295 [inline] hsr_forward_skb+0x1276/0x1c10 net/hsr/hsr_forward.c:373 hsr_dev_xmit+0x72/0xa0 net/hsr/hsr_device.c:242 __netdev_start_xmit include/linux/netdevice.h:4303 [inline] netdev_start_xmit include/linux/netdevice.h:4312 [inline] xmit_one net/core/dev.c:3257 [inline] dev_hard_start_xmit+0x1a5/0x980 net/core/dev.c:3273 __dev_queue_xmit+0x2705/0x3010 net/core/dev.c:3843 dev_queue_xmit+0x18/0x20 net/core/dev.c:3876 packet_snd net/packet/af_packet.c:2937 [inline] packet_sendmsg+0x3b43/0x6300 net/packet/af_packet.c:2962 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 ___sys_sendmsg+0x3e2/0x920 net/socket.c:2115 __sys_sendmmsg+0x1bf/0x4e0 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2236 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459519 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f4edda55c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459519 RDX: 0000000000000001 RSI: 0000000020004e80 RDI: 0000000000000003 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4edda566d4 R13: 00000000004c6af9 R14: 00000000004dbd80 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..