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HSR: Could not send supervision frame
WARNING: CPU: 1 PID: 21 at net/hsr/hsr_device.c:293 send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293
Modules linked in:
CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 5.14.0-rc3-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293
Code: 1d d2 9f 7c 04 31 ff 89 de e8 2f 3f 9a f8 84 db 75 b6 e8 e6 38 9a f8 48 c7 c7 80 6e b4 8a c6 05 b2 9f 7c 04 01 e8 04 5f 0c 00 <0f> 0b eb 9a e8 ca 38 9a f8 41 be 3c 00 00 00 ba 01 00 00 00 4c 89
RSP: 0000:ffffc900004dfb48 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888011271c40 RSI: ffffffff815d78c5 RDI: fffff5200009bf5b
RBP: ffff888072e1ac00 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815d16fe R11: 0000000000000000 R12: ffff88807176e780
R13: 0000000000000000 R14: ffff88807176e798 R15: 0000000000000017
FS:  0000000000000000(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa79f466270 CR3: 000000000b68e000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 hsr_announce+0x109/0x330 net/hsr/hsr_device.c:382
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1419
 expire_timers kernel/time/timer.c:1464 [inline]
 __run_timers.part.0+0x675/0xa50 kernel/time/timer.c:1732
 __run_timers kernel/time/timer.c:1713 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1745
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 run_ksoftirqd kernel/softirq.c:920 [inline]
 run_ksoftirqd+0x2d/0x60 kernel/softirq.c:912
 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295