syzbot

device macvlan35 entered promiscuous mode
bridge0: port 36(macvlan35) entered blocking state
bridge0: port 36(macvlan35) entered forwarding state
------------[ cut here ]------------
HSR: VLAN not yet supported
WARNING: CPU: 1 PID: 18 at net/hsr/hsr_forward.c:336 hsr_fill_frame_info net/hsr/hsr_forward.c:336 [inline]
WARNING: CPU: 1 PID: 18 at net/hsr/hsr_forward.c:336 hsr_forward_skb+0x177e/0x1c30 net/hsr/hsr_forward.c:370
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:hsr_fill_frame_info net/hsr/hsr_forward.c:336 [inline]
RIP: 0010:hsr_forward_skb+0x177e/0x1c30 net/hsr/hsr_forward.c:370
Code: 4c 89 ea 48 8b 7c 24 28 e8 df 5a ff ff e9 c7 f5 ff ff e8 55 3f 77 f9 48 c7 c7 20 e3 70 89 c6 05 a6 67 23 03 01 e8 27 77 07 00 <0f> 0b 48 ba 00 00 00 00 00 fc ff df 4c 89 f0 48 c1 e8 03 0f b6 0c
RSP: 0018:ffff8880b5acefc0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffffffff814dff01 RDI: ffffed1016b59dea
RBP: ffff8880973db5c0 R08: 0000000000000000 R09: 000000000000080b
R10: 0000000000000006 R11: 0000000000000000 R12: ffff8880973db686
R13: ffff8880b2f32080 R14: ffff88808f2b068a R15: ffff88808f2b067e
 hsr_dev_xmit+0x6b/0xa0 net/hsr/hsr_device.c:242
 __netdev_start_xmit include/linux/netdevice.h:4349 [inline]
 netdev_start_xmit include/linux/netdevice.h:4363 [inline]
 xmit_one net/core/dev.c:3256 [inline]
 dev_hard_start_xmit+0x1a8/0x920 net/core/dev.c:3272
 __dev_queue_xmit+0x269d/0x2e00 net/core/dev.c:3838
 macvlan_queue_xmit drivers/net/macvlan.c:545 [inline]
 macvlan_start_xmit+0x19a/0x7e0 drivers/net/macvlan.c:570
 __netdev_start_xmit include/linux/netdevice.h:4349 [inline]
 netdev_start_xmit include/linux/netdevice.h:4363 [inline]
 xmit_one net/core/dev.c:3256 [inline]
 dev_hard_start_xmit+0x1a8/0x920 net/core/dev.c:3272
 __dev_queue_xmit+0x269d/0x2e00 net/core/dev.c:3838
 br_dev_queue_push_xmit+0x25a/0x6c0 net/bridge/br_forward.c:56
 NF_HOOK include/linux/netfilter.h:289 [inline]
 br_forward_finish+0xb5/0x3d0 net/bridge/br_forward.c:69
 NF_HOOK include/linux/netfilter.h:289 [inline]
 __br_forward+0x5ff/0xae0 net/bridge/br_forward.c:113
 deliver_clone net/bridge/br_forward.c:129 [inline]
 maybe_deliver+0x292/0x380 net/bridge/br_forward.c:184
 br_flood+0x158/0x4d0 net/bridge/br_forward.c:226
 br_handle_frame_finish+0xf41/0x1410 net/bridge/br_input.c:167
 NF_HOOK include/linux/netfilter.h:289 [inline]
 br_handle_frame+0x814/0x13b0 net/bridge/br_input.c:306
 __netif_receive_skb_core+0x929/0x3270 net/core/dev.c:4876
 __netif_receive_skb_one_core+0xae/0x180 net/core/dev.c:4952
 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5066
 process_backlog+0x241/0x700 net/core/dev.c:5849
 napi_poll net/core/dev.c:6280 [inline]
 net_rx_action+0x4ac/0xfb0 net/core/dev.c:6346
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..