------------[ cut here ]------------ hsr_addr_subst_dest: Unknown node WARNING: CPU: 1 PID: 20532 at net/hsr/hsr_framereg.c:313 hsr_addr_subst_dest+0x382/0x460 net/hsr/hsr_framereg.c:313 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 20532 Comm: syz-executor.3 Not tainted 4.19.34 #2 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+0x172/0x1f0 lib/dump_stack.c:113 panic+0x263/0x51d kernel/panic.c:185 __warn.cold+0x20/0x54 kernel/panic.c:540 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x204/0x360 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:997 RIP: 0010:hsr_addr_subst_dest+0x382/0x460 net/hsr/hsr_framereg.c:313 Code: 89 de e8 71 a9 85 fa 84 db 75 d3 e8 28 a8 85 fa 48 c7 c6 c0 5c fa 87 48 c7 c7 80 5c fa 87 c6 05 08 5a 50 02 01 e8 2c 83 59 fa <0f> 0b eb b0 e8 05 a8 85 fa 0f b6 1d f4 59 50 02 31 ff 89 de e8 35 RSP: 0018:ffff8881dec4efb0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000010581 RSI: ffffffff8155d206 RDI: ffffed103bd89de8 RBP: ffff8881dec4eff0 R08: ffff88805b1225c0 R09: ffff88805b122e60 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880643b4f20 R13: 00000000aaaaaaaa R14: 000000000000a600 R15: 000000000000aaaa hsr_xmit net/hsr/hsr_forward.c:230 [inline] hsr_forward_do net/hsr/hsr_forward.c:295 [inline] hsr_forward_skb+0x1276/0x1c10 net/hsr/hsr_forward.c:373 hsr_dev_xmit+0x72/0xa0 net/hsr/hsr_device.c:242 __netdev_start_xmit include/linux/netdevice.h:4300 [inline] netdev_start_xmit include/linux/netdevice.h:4309 [inline] xmit_one net/core/dev.c:3243 [inline] dev_hard_start_xmit+0x1aa/0x980 net/core/dev.c:3259 __dev_queue_xmit+0x2718/0x3020 net/core/dev.c:3829 dev_queue_xmit+0x18/0x20 net/core/dev.c:3862 br_dev_queue_push_xmit+0x405/0x5f0 net/bridge/br_forward.c:56 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] br_forward_finish+0xfa/0x400 net/bridge/br_forward.c:69 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] __br_forward+0x647/0xb30 net/bridge/br_forward.c:113 deliver_clone+0x61/0xc0 net/bridge/br_forward.c:129 maybe_deliver net/bridge/br_forward.c:184 [inline] maybe_deliver net/bridge/br_forward.c:172 [inline] br_flood+0x4da/0x710 net/bridge/br_forward.c:226 br_dev_xmit+0xe74/0x1490 net/bridge/br_device.c:107 __netdev_start_xmit include/linux/netdevice.h:4300 [inline] netdev_start_xmit include/linux/netdevice.h:4309 [inline] xmit_one net/core/dev.c:3243 [inline] dev_hard_start_xmit+0x1aa/0x980 net/core/dev.c:3259 __dev_queue_xmit+0x2718/0x3020 net/core/dev.c:3829 dev_queue_xmit+0x18/0x20 net/core/dev.c:3862 pppoe_sendmsg+0x657/0x7e0 drivers/net/ppp/pppoe.c:904 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x3e2/0x930 net/socket.c:2115 __sys_sendmmsg+0x1bf/0x4e0 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2236 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c29 Code: ad b8 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 b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb208d64c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000458c29 RDX: 04000000000000eb RSI: 000000002000d180 RDI: 0000000000000005 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb208d656d4 R13: 00000000004c5e19 R14: 00000000004da5e0 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..