------------[ cut here ]------------ hsr_addr_subst_dest: Unknown node WARNING: CPU: 0 PID: 1546 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: 1546 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 67 2e c1 f9 84 db 75 d4 e8 2e 2d c1 f9 48 c7 c6 00 aa d9 88 48 c7 c7 c0 a8 d9 88 c6 05 ef 37 b0 02 01 e8 0c 3e 93 f9 <0f> 0b eb b1 e8 0b 2d c1 f9 0f b6 1d db 37 b0 02 31 ff 89 de e8 2b RSP: 0018:ffffc90017c36c20 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000000e48f RSI: ffffffff815c06c1 RDI: fffff52002f86d76 RBP: 00000000aaaabfaa R08: ffff888060066380 R09: ffffed1015cc45c9 R10: ffffed1015cc45c8 R11: ffff8880ae622e43 R12: 0000000000000000 R13: ffff88808f022ba0 R14: 0000000000000000 R15: ffff88808f022ba0 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 br_dev_queue_push_xmit+0x3e2/0x5d0 net/bridge/br_forward.c:52 NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] br_forward_finish+0xde/0x3e0 net/bridge/br_forward.c:65 NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] __br_forward+0x5e5/0xa90 net/bridge/br_forward.c:109 br_flood+0x35e/0x3c0 net/bridge/br_forward.c:234 br_dev_xmit+0xc5e/0x1520 net/bridge/br_device.c:101 __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 bond_dev_queue_xmit+0xfd/0x380 drivers/net/bonding/bond_main.c:302 bond_xmit_slave_id+0x29f/0x680 drivers/net/bonding/bond_main.c:3957 bond_xmit_roundrobin drivers/net/bonding/bond_main.c:4034 [inline] __bond_start_xmit drivers/net/bonding/bond_main.c:4297 [inline] bond_start_xmit+0xd12/0x1600 drivers/net/bonding/bond_main.c:4331 __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:00007fc6333a6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc6333a76d4 RCX: 000000000045c849 RDX: 0000000000000000 RSI: 0000000020007780 RDI: 000000000000000e RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000009f5 R14: 00000000004ccac9 R15: 000000000076bf0c Kernel Offset: disabled Rebooting in 86400 seconds..