kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 12354 Comm: kworker/0:2 Not tainted 4.19.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events linkwatch_event
RIP: 0010:hsr_check_carrier_and_operstate+0x3f/0x810 net/hsr/hsr_device.c:116
Code: fa be 04 00 00 00 48 89 ef e8 fd a8 ff ff 49 89 c6 48 83 c0 10 48 89 c2 48 89 04 24 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 64 07 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b
RSP: 0018:ffff888028797ac8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8880a6586100 RCX: ffffffff872f12ae
RDX: 0000000000000002 RSI: ffffffff872f12b7 RDI: 0000000000000004
RBP: ffff88805af097c0 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff89a42300
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000018ea29a9 CR3: 000000005b33f000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hsr_netdev_notify+0x270/0x9f0 net/hsr/hsr_main.c:51
 notifier_call_chain+0xc0/0x230 kernel/notifier.c:93
 netdev_state_change net/core/dev.c:1349 [inline]
 netdev_state_change+0x100/0x130 net/core/dev.c:1342
 linkwatch_do_dev+0xaa/0x110 net/core/link_watch.c:164
 __linkwatch_run_queue+0x22d/0x5d0 net/core/link_watch.c:202
 linkwatch_event+0x4a/0x60 net/core/link_watch.c:237
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x30b/0x410 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace f8e9f7f43a588376 ]---
RIP: 0010:hsr_check_carrier_and_operstate+0x3f/0x810 net/hsr/hsr_device.c:116
Code: fa be 04 00 00 00 48 89 ef e8 fd a8 ff ff 49 89 c6 48 83 c0 10 48 89 c2 48 89 04 24 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 64 07 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b
RSP: 0018:ffff888028797ac8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8880a6586100 RCX: ffffffff872f12ae
RDX: 0000000000000002 RSI: ffffffff872f12b7 RDI: 0000000000000004
RBP: ffff88805af097c0 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff89a42300
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000018ea29a9 CR3: 00000000a37f8000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400