------------[ cut here ]------------
hsr_addr_subst_dest: Unknown node
WARNING: CPU: 0 PID: 10080 at net/hsr/hsr_framereg.c:321 hsr_addr_subst_dest+0x382/0x460 net/hsr/hsr_framereg.c:321
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 10080 Comm: syz-executor.5 Not tainted 5.6.0-rc2-syzkaller #0
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+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x3e kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:hsr_addr_subst_dest+0x382/0x460 net/hsr/hsr_framereg.c:321
Code: 89 de e8 f1 10 91 f9 84 db 75 d3 e8 a8 0f 91 f9 48 c7 c6 c0 a6 19 89 48 c7 c7 80 a5 19 89 c6 05 92 a5 bc 02 01 e8 bd 60 61 f9 <0f> 0b eb b0 e8 85 0f 91 f9 0f b6 1d 7e a5 bc 02 31 ff 89 de e8 b5
RSP: 0018:ffffc9000c0ff540 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000cb1a RSI: ffffffff815eae46 RDI: fffff5200181fe9a
RBP: ffffc9000c0ff580 R08: ffff8880a7268500 R09: fffffbfff16a378e
R10: fffffbfff16a378d R11: ffffffff8b51bc6f R12: ffff88805a742ba0
R13: 00000000aaaaaaaa R14: 000000009921bb1c R15: 00000000000002aa
 hsr_xmit net/hsr/hsr_forward.c:221 [inline]
 hsr_forward_do net/hsr/hsr_forward.c:285 [inline]
 hsr_forward_skb+0x138b/0x1d30 net/hsr/hsr_forward.c:361
 hsr_dev_xmit+0x7d/0xe0 net/hsr/hsr_device.c:232
 __netdev_start_xmit include/linux/netdevice.h:4523 [inline]
 netdev_start_xmit include/linux/netdevice.h:4537 [inline]
 xmit_one net/core/dev.c:3475 [inline]
 dev_hard_start_xmit+0x1a3/0x9b0 net/core/dev.c:3491
 __dev_queue_xmit+0x25df/0x3080 net/core/dev.c:4050
 dev_queue_xmit+0x18/0x20 net/core/dev.c:4083
 pppoe_sendmsg+0x65e/0x7f0 drivers/net/ppp/pppoe.c:897
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:672
 ____sys_sendmsg+0x358/0x880 net/socket.c:2343
 ___sys_sendmsg+0x100/0x170 net/socket.c:2397
 __sys_sendmmsg+0x1bf/0x4d0 net/socket.c:2487
 __do_sys_sendmmsg net/socket.c:2516 [inline]
 __se_sys_sendmmsg net/socket.c:2513 [inline]
 __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2513
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c479
Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9216110c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f92161116d4 RCX: 000000000045c479
RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000008d2 R14: 00000000004cb36d R15: 000000000076bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..