------------[ cut here ]------------ hsr_addr_subst_dest: Unknown node WARNING: CPU: 0 PID: 903 at net/hsr/hsr_framereg.c:321 hsr_addr_subst_dest+0x36c/0x440 net/hsr/hsr_framereg.c:321 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 903 Comm: syz-executor.5 Not tainted 5.6.0-rc7-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+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x27b/0x2f0 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+0x12b/0x220 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:hsr_addr_subst_dest+0x36c/0x440 net/hsr/hsr_framereg.c:321 Code: 89 de e8 57 30 c1 f9 84 db 75 d4 e8 1e 2f c1 f9 48 c7 c6 00 a6 d9 88 48 c7 c7 c0 a4 d9 88 c6 05 9f 39 b0 02 01 e8 fc 3f 93 f9 <0f> 0b eb b1 e8 fb 2e c1 f9 0f b6 1d 8b 39 b0 02 31 ff 89 de e8 1b RSP: 0018:ffffc90001cbf5a0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000000102d9 RSI: ffffffff815c06c1 RDI: fffff52000397ea6 RBP: 000000000003eead R08: ffff888052e2a040 R09: ffffed1015cc45c9 R10: ffffed1015cc45c8 R11: ffff8880ae622e43 R12: 0000000000000000 R13: ffff888059e0aba0 R14: 0000000000000000 R15: ffff888059e0aba0 hsr_xmit net/hsr/hsr_forward.c:221 [inline] hsr_forward_do net/hsr/hsr_forward.c:285 [inline] hsr_forward_skb+0x134b/0x1d00 net/hsr/hsr_forward.c:361 hsr_dev_xmit+0x78/0xd0 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:3477 [inline] dev_hard_start_xmit+0x1a4/0x9b0 net/core/dev.c:3493 __dev_queue_xmit+0x25e1/0x30a0 net/core/dev.c:4052 packet_snd net/packet/af_packet.c:2979 [inline] packet_sendmsg+0x23cc/0x5ce0 net/packet/af_packet.c:3004 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6b9/0x7d0 net/socket.c:2345 ___sys_sendmsg+0x100/0x170 net/socket.c:2399 __sys_sendmsg+0xec/0x1b0 net/socket.c:2432 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c849 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:00007f8af5a10c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8af5a116d4 RCX: 000000000045c849 RDX: 0000000000000080 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000009f6 R14: 00000000004ccad5 R15: 000000000076bf0c Kernel Offset: disabled Rebooting in 86400 seconds..