netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
------------[ cut here ]------------
net/hsr/hsr_forward.c:533: Malformed frame (port_src hsr0)
WARNING: CPU: 0 PID: 8418 at net/hsr/hsr_forward.c:532 hsr_forward_skb+0x1019/0x1770 net/hsr/hsr_forward.c:532
Modules linked in:
CPU: 0 PID: 8418 Comm: syz-executor387 Not tainted 5.11.0-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 19 8a c3 f8 4c 89 e1 ba 15 02 00 00 48 c7 c6 c0 7d 6d 8a 48 c7 c7 e0 7e 6d 8a c6 05 88 24 e0 04 01 e8 61 81 0a 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:ffffc90001ab78e8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801dae1bc0 RSI: ffffffff815b73e5 RDI: fffff52000356f0f
RBP: ffff88801247a780 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815b05be R11: 0000000000000000 R12: ffff888028d1c000
R13: 1ffff92000356f23 R14: ffff888018413600 R15: ffff888018413610
FS:  00000000015fe300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200000c0 CR3: 00000000210f5000 CR4: 00000000001506f0
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:4778 [inline]
 netdev_start_xmit include/linux/netdevice.h:4792 [inline]
 __dev_direct_xmit+0x527/0x730 net/core/dev.c:4219
 dev_direct_xmit include/linux/netdevice.h:2857 [inline]
 packet_direct_xmit+0x1a5/0x280 net/packet/af_packet.c:244
 packet_snd net/packet/af_packet.c:3006 [inline]
 packet_sendmsg+0x2413/0x52b0 net/packet/af_packet.c:3031
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 __sys_sendto+0x21c/0x320 net/socket.c:1975
 __do_sys_sendto net/socket.c:1987 [inline]
 __se_sys_sendto net/socket.c:1983 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1983
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x4431a9
Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffce316ab18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007ffce316ab38 RCX: 00000000004431a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000020000100 R09: 0000000000000014
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffce316ab40
R13: 00007ffce316ab60 R14: 00000000004b8018 R15: 00000000004004b8