8021q: adding VLAN 0 to HW filter on device batadv0
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BUG: KMSAN: uninit-value in hsr_register_frame_in+0x12c/0x200 net/hsr/hsr_framereg.c:310
CPU: 1 PID: 13571 Comm: syz-executor406 Not tainted 5.2.0-rc4+ #10
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+0x191/0x1f0 lib/dump_stack.c:113
 kmsan_report+0x162/0x2d0 mm/kmsan/kmsan_report.c:109
 __msan_warning+0x75/0xe0 mm/kmsan/kmsan_instr.c:294
 hsr_register_frame_in+0x12c/0x200 net/hsr/hsr_framereg.c:310
 hsr_forward_skb+0xd11/0x3070 net/hsr/hsr_forward.c:360
 hsr_dev_xmit+0xf8/0x160 net/hsr/hsr_device.c:231
 __netdev_start_xmit include/linux/netdevice.h:4406 [inline]
 netdev_start_xmit include/linux/netdevice.h:4420 [inline]
 xmit_one net/core/dev.c:3288 [inline]
 dev_hard_start_xmit+0x51a/0xab0 net/core/dev.c:3304
 __dev_queue_xmit+0x394d/0x4270 net/core/dev.c:3877
 dev_queue_xmit+0x4b/0x60 net/core/dev.c:3910
 packet_snd net/packet/af_packet.c:2928 [inline]
 packet_sendmsg+0x815c/0x8f80 net/packet/af_packet.c:2953
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg net/socket.c:665 [inline]
 __sys_sendto+0xa95/0xb90 net/socket.c:1958
 __do_sys_sendto net/socket.c:1970 [inline]
 __se_sys_sendto+0x107/0x130 net/socket.c:1966
 __x64_sys_sendto+0x6e/0x90 net/socket.c:1966
 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:302
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x4419d9
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 bb 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffe2ee20638 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004419d9
RDX: 000000000000000e RSI: 0000000020000040 RDI: 0000000000000003
RBP: 00000000004a9070 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402f20
R13: 0000000000402fb0 R14: 0000000000000000 R15: 0000000000000000

Uninit was stored to memory at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:200 [inline]
 kmsan_save_stack mm/kmsan/kmsan.c:212 [inline]
 kmsan_internal_chain_origin+0xcc/0x150 mm/kmsan/kmsan.c:367
 __msan_chain_origin+0x6b/0xe0 mm/kmsan/kmsan_instr.c:190
 hsr_add_node net/hsr/hsr_framereg.c:144 [inline]
 hsr_get_node+0xc90/0xe10 net/hsr/hsr_framereg.c:190
 hsr_fill_frame_info net/hsr/hsr_forward.c:315 [inline]
 hsr_forward_skb+0x780/0x3070 net/hsr/hsr_forward.c:358
 hsr_dev_xmit+0xf8/0x160 net/hsr/hsr_device.c:231
 __netdev_start_xmit include/linux/netdevice.h:4406 [inline]
 netdev_start_xmit include/linux/netdevice.h:4420 [inline]
 xmit_one net/core/dev.c:3288 [inline]
 dev_hard_start_xmit+0x51a/0xab0 net/core/dev.c:3304
 __dev_queue_xmit+0x394d/0x4270 net/core/dev.c:3877
 dev_queue_xmit+0x4b/0x60 net/core/dev.c:3910
 packet_snd net/packet/af_packet.c:2928 [inline]
 packet_sendmsg+0x815c/0x8f80 net/packet/af_packet.c:2953
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg net/socket.c:665 [inline]
 __sys_sendto+0xa95/0xb90 net/socket.c:1958
 __do_sys_sendto net/socket.c:1970 [inline]
 __se_sys_sendto+0x107/0x130 net/socket.c:1966
 __x64_sys_sendto+0x6e/0x90 net/socket.c:1966
 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:302
 entry_SYSCALL_64_after_hwframe+0x63/0xe7

Uninit was created at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:200 [inline]
 kmsan_internal_poison_shadow+0x53/0xa0 mm/kmsan/kmsan.c:159
 kmsan_kmalloc+0xa4/0x130 mm/kmsan/kmsan_hooks.c:178
 kmsan_slab_alloc+0xe/0x10 mm/kmsan/kmsan_hooks.c:187
 slab_post_alloc_hook mm/slab.h:442 [inline]
 slab_alloc_node mm/slub.c:2763 [inline]
 __kmalloc_node_track_caller+0xcba/0xf30 mm/slub.c:4390
 __kmalloc_reserve net/core/skbuff.c:138 [inline]
 __alloc_skb+0x306/0xa10 net/core/skbuff.c:206
 alloc_skb include/linux/skbuff.h:1055 [inline]
 alloc_skb_with_frags+0x18c/0xa80 net/core/skbuff.c:5327
 sock_alloc_send_pskb+0xafd/0x10a0 net/core/sock.c:2219
 packet_alloc_skb net/packet/af_packet.c:2776 [inline]
 packet_snd net/packet/af_packet.c:2871 [inline]
 packet_sendmsg+0x6419/0x8f80 net/packet/af_packet.c:2953
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg net/socket.c:665 [inline]
 __sys_sendto+0xa95/0xb90 net/socket.c:1958
 __do_sys_sendto net/socket.c:1970 [inline]
 __se_sys_sendto+0x107/0x130 net/socket.c:1966
 __x64_sys_sendto+0x6e/0x90 net/socket.c:1966
 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:302
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
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