------------[ cut here ]------------ hsr_addr_subst_dest: Unknown node WARNING: CPU: 1 PID: 8701 at net/hsr/hsr_framereg.c:321 hsr_addr_subst_dest+0x31e/0x470 net/hsr/hsr_framereg.c:321 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8701 Comm: syz-executor.1 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+0x1e9/0x30e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:221 __warn+0x209/0x210 kernel/panic.c:582 report_bug+0x1ac/0x2d0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0xca/0x1c0 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+0x31e/0x470 net/hsr/hsr_framereg.c:321 Code: 58 01 01 0f 84 11 ff ff ff e8 6e e3 86 f9 c6 05 31 23 58 01 01 48 c7 c7 b4 92 e8 88 48 c7 c6 a0 92 e8 88 31 c0 e8 c2 c1 59 f9 <0f> 0b e9 ee fe ff ff e8 46 e3 86 f9 80 3d 09 23 58 01 01 0f 84 d7 RSP: 0018:ffffc900019a7498 EFLAGS: 00010246 RAX: d7af8aa2683e1a00 RBX: ffff88804d3e0ba0 RCX: 0000000000040000 RDX: ffffc90003c99000 RSI: 000000000000c39c RDI: 000000000000c39d RBP: dffffc0000000000 R08: ffffffff815e07a6 R09: ffffed1015d24592 R10: ffffed1015d24592 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff88804d3e0ba0 R14: 000000003ef0ff6e R15: dffffc0000000000 hsr_xmit net/hsr/hsr_forward.c:221 [inline] hsr_forward_do net/hsr/hsr_forward.c:285 [inline] hsr_forward_skb+0xb67/0x2070 net/hsr/hsr_forward.c:361 hsr_dev_xmit+0x7d/0xc0 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+0x1aa/0x3e0 net/core/dev.c:3493 __dev_queue_xmit+0x1a05/0x28a0 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+0x914/0xd50 net/core/filter.c:2107 ____bpf_clone_redirect net/core/filter.c:2140 [inline] bpf_clone_redirect+0x245/0x350 net/core/filter.c:2112 bpf_prog_f9bdc51a988dbf58+0x9e0/0x1000 bpf_dispatcher_nopfunc include/linux/bpf.h:521 [inline] bpf_test_run+0x61d/0x8e0 net/bpf/test_run.c:48 bpf_prog_test_run_skb+0x6cb/0x14a0 net/bpf/test_run.c:388 bpf_prog_test_run kernel/bpf/syscall.c:2577 [inline] __do_sys_bpf+0x4259/0xc1f0 kernel/bpf/syscall.c:3419 do_syscall_64+0xf3/0x1b0 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:00007f6526680c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f65266816d4 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..