------------[ cut here ]------------
net/hsr/hsr_forward.c:533: Malformed frame (port_src hsr0)
WARNING: CPU: 1 PID: 9995 at net/hsr/hsr_forward.c:532 hsr_forward_skb+0x1019/0x1770 net/hsr/hsr_forward.c:532
Modules linked in:
CPU: 1 PID: 9995 Comm: syz-executor.2 Not tainted 5.10.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:hsr_forward_skb+0x1019/0x1770 net/hsr/hsr_forward.c:532
Code: f4 ff ff e8 c9 f0 cc f8 4c 89 e1 ba 15 02 00 00 48 c7 c6 a0 f8 6b 8a 48 c7 c7 c0 f9 6b 8a c6 05 d6 8f 35 04 01 e8 63 6f 09 00 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 80 3c 02
RSP: 0018:ffffc900160c78c8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff8158c835 RDI: fffff52002c18f0b
RBP: ffff888026517140 R08: 0000000000000001 R09: ffff8880b9f2011b
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888017c9a000
R13: 1ffff92002c18f1f R14: ffff8880284e6e80 R15: ffff8880284e6e90
FS:  0000000000000000(0000) GS:ffff8880b9f00000(0063) knlGS:00000000f555bb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000810bb2c CR3: 000000001bb90000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hsr_dev_xmit+0x78/0xd0 net/hsr/hsr_device.c:220
 __netdev_start_xmit include/linux/netdevice.h:4735 [inline]
 netdev_start_xmit include/linux/netdevice.h:4749 [inline]
 __dev_direct_xmit+0x527/0x730 net/core/dev.c:4208
 dev_direct_xmit include/linux/netdevice.h:2825 [inline]
 packet_direct_xmit+0x1a5/0x280 net/packet/af_packet.c:243
 packet_snd net/packet/af_packet.c:2992 [inline]
 packet_sendmsg+0x2413/0x52b0 net/packet/af_packet.c:3017
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:671
 __sys_sendto+0x21c/0x320 net/socket.c:1992
 __do_sys_sendto net/socket.c:2004 [inline]
 __se_sys_sendto net/socket.c:2000 [inline]
 __ia32_sys_sendto+0xdb/0x1b0 net/socket.c:2000
 do_syscall_32_irqs_on arch/x86/entry/common.c:78 [inline]
 __do_fast_syscall_32+0x56/0x80 arch/x86/entry/common.c:137
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:160
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7f61549
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f555b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000171
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000200003c0
RDX: 000000000000000e RSI: 0000000000004000 RDI: 00000000200000c0
RBP: 0000000000000014 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000