------------[ cut here ]------------ hsr_addr_subst_dest: Unknown node WARNING: CPU: 0 PID: 10250 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: 10250 Comm: syz-executor.5 Not tainted 5.6.0-rc3-next-20200228-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:175 [inline] fixup_bug arch/x86/kernel/traps.c:170 [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 87 5e bb f9 84 db 75 d4 e8 4e 5d bb f9 48 c7 c6 80 a4 fa 88 48 c7 c7 40 a3 fa 88 c6 05 21 44 ca 02 01 e8 ac 28 8d f9 <0f> 0b eb b1 e8 2b 5d bb f9 0f b6 1d 0d 44 ca 02 31 ff 89 de e8 4b RSP: 0018:ffffc900016874f0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000000c35c RSI: ffffffff815c4e91 RDI: fffff520002d0e90 RBP: 000000006627ff9e R08: ffff88804c7e04c0 R09: ffffed1015cc45c9 R10: ffffed1015cc45c8 R11: ffff8880ae622e43 R12: 0000000001000700 R13: ffff8880528dcba0 R14: 0000000000000000 R15: ffff8880528dcba0 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+0x259c/0x3070 net/core/dev.c:4052 __bpf_tx_skb net/core/filter.c:2061 [inline] __bpf_redirect_common net/core/filter.c:2100 [inline] __bpf_redirect+0x769/0xc60 net/core/filter.c:2107 ____bpf_clone_redirect net/core/filter.c:2140 [inline] bpf_clone_redirect+0x2b7/0x430 net/core/filter.c:2112 bpf_prog_f9bdc51a988dbf58+0x13c/0x1000 bpf_dispatcher_nopfunc include/linux/bpf.h:521 [inline] bpf_test_run+0x3c4/0xc70 net/bpf/test_run.c:48 bpf_prog_test_run_skb+0xa6c/0x1480 net/bpf/test_run.c:388 bpf_prog_test_run kernel/bpf/syscall.c:2561 [inline] __do_sys_bpf+0xbac/0x3f10 kernel/bpf/syscall.c:3403 do_syscall_64+0xf6/0x790 arch/x86/entry/common.c:295 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:00007fdd3f646c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fdd3f6476d4 RCX: 000000000045c849 RDX: 0000000000000028 RSI: 0000000020000740 RDI: 000000000000000a RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000059 R14: 00000000004c2f70 R15: 000000000076bf0c Kernel Offset: disabled Rebooting in 86400 seconds..