------------[ cut here ]------------ hsr_addr_subst_dest: Unknown node WARNING: CPU: 0 PID: 22753 at net/hsr/hsr_framereg.c:303 hsr_addr_subst_dest+0x223/0x230 net/hsr/hsr_framereg.c:303 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 22753 Comm: syz-executor.5 Not tainted 5.4.0-rc7+ #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+0x11d/0x181 lib/dump_stack.c:118 panic+0x210/0x640 kernel/panic.c:221 __warn.cold+0x36/0x36 kernel/panic.c:582 report_bug+0x1ec/0x220 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x97/0xc0 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x1e/0x30 arch/x86/entry/entry_64.S:1028 RIP: 0010:hsr_addr_subst_dest+0x223/0x230 net/hsr/hsr_framereg.c:303 Code: 73 51 b0 fc 48 c7 c7 3e 5c c7 85 e8 d7 58 bd fc 48 c7 c6 d0 fe 21 85 48 c7 c7 01 af 7c 85 c6 05 e0 80 33 01 01 e8 d5 35 98 fc <0f> 0b e9 68 fe ff ff 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 RSP: 0018:ffffc900015878c0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000bd4a000 RDX: 000000000000dbf5 RSI: ffffffff8136b69d RDI: 0000000000000005 RBP: ffffc900015878f0 R08: ffff88806bd03000 R09: 000088812be17500 R10: 0000c900010c7b58 R11: 000088812be17507 R12: ffff888122fe7200 R13: ffff8880a34534c0 R14: ffff888122fe72b6 R15: ffff888122fe72c0 hsr_xmit net/hsr/hsr_forward.c:221 [inline] hsr_forward_do net/hsr/hsr_forward.c:285 [inline] hsr_forward_skb+0xe05/0x1160 net/hsr/hsr_forward.c:361 hsr_dev_xmit+0x58/0x70 net/hsr/hsr_device.c:231 __netdev_start_xmit include/linux/netdevice.h:4413 [inline] netdev_start_xmit include/linux/netdevice.h:4427 [inline] xmit_one net/core/dev.c:3199 [inline] dev_hard_start_xmit+0xef/0x430 net/core/dev.c:3215 __dev_queue_xmit+0x14ab/0x1b40 net/core/dev.c:3792 dev_queue_xmit+0x21/0x30 net/core/dev.c:3825 pppoe_sendmsg+0x350/0x3c0 drivers/net/ppp/pppoe.c:899 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0x9f/0xc0 net/socket.c:657 ___sys_sendmsg+0x2b7/0x5d0 net/socket.c:2311 __sys_sendmmsg+0x123/0x350 net/socket.c:2413 __do_sys_sendmmsg net/socket.c:2442 [inline] __se_sys_sendmmsg net/socket.c:2439 [inline] __x64_sys_sendmmsg+0x64/0x80 net/socket.c:2439 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45a639 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:00007f44575e7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a639 RDX: 04000000000000eb RSI: 000000002000d180 RDI: 0000000000000005 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44575e86d4 R13: 00000000004c83c8 R14: 00000000004de808 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..