cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0
  node 0: slabs: 7057, objs: 84684, free: 0
  node 1: slabs: 2654, objs: 31848, free: 48
------------[ cut here ]------------
HSR: Could not send supervision frame
WARNING: CPU: 1 PID: 22975 at net/hsr/hsr_device.c:299 send_hsr_supervision_frame+0x727/0xcf0 net/hsr/hsr_device.c:299
Modules linked in:
CPU: 1 PID: 22975 Comm: kworker/1:7 Not tainted 5.10.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:send_hsr_supervision_frame+0x727/0xcf0 net/hsr/hsr_device.c:299
Code: 40 f8 85 ed 74 2b e8 18 83 40 f8 e9 36 fb ff ff e8 0e 83 40 f8 c6 05 e2 ad c6 03 01 48 c7 c7 c0 1b fb 8a 31 c0 e8 09 a2 10 f8 <0f> 0b e9 15 fb ff ff 48 83 c3 74 48 89 d8 48 c1 e8 03 48 b9 00 00
RSP: 0018:ffffc90000d90cd8 EFLAGS: 00010246
RAX: 6a390e184b1a0d00 RBX: 0000000000000000 RCX: ffff88802068b480
RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000
RBP: 1ffff1101008c59c R08: ffffffff815d2a62 R09: ffffed10173a6068
R10: ffffed10173a6068 R11: 0000000000000000 R12: ffffc90000d90d68
R13: dffffc0000000000 R14: ffff888080462ce8 R15: ffff88802881bd80
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6c731ee2e3 CR3: 0000000011289000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 hsr_announce+0xf3/0x250 net/hsr/hsr_device.c:404
 call_timer_fn+0x91/0x160 kernel/time/timer.c:1410
 expire_timers kernel/time/timer.c:1455 [inline]
 __run_timers+0x6c0/0x8a0 kernel/time/timer.c:1747
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1760
 __do_softirq+0x307/0x6be kernel/softirq.c:298
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x9a/0xe0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu+0x1d6/0x200 kernel/softirq.c:423
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0xe0/0xf0 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631
RIP: 0010:slab_alloc_node mm/slub.c:2856 [inline]
RIP: 0010:kmem_cache_alloc_node+0x292/0x320 mm/slub.c:2927
Code: 89 ea 48 8b 4c 24 08 49 89 d8 e8 79 13 00 00 49 89 c5 41 f7 c7 00 02 00 00 74 05 e8 e8 a5 c4 ff 4c 89 7c 24 18 ff 74 24 18 9d <4c> 89 6c 24 20 41 89 ef e9 f9 fe ff ff 48 c7 c7 60 d4 da 8b 4c 89
RSP: 0018:ffffc90016267b28 EFLAGS: 00000246
RAX: 6a390e184b1a0d00 RBX: ffff8880b9d3add0 RCX: ffffffff81599b09
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 00000000ffffffff R08: dffffc0000000000 R09: fffffbfff1dd407b
R10: fffffbfff1dd407b R11: 0000000000000000 R12: 0000000000000a20
R13: 0000000000000000 R14: ffff8881406f28c0 R15: 0000000000000246
 __alloc_skb+0x7f/0x4d0 net/core/skbuff.c:198
 alloc_skb include/linux/skbuff.h:1094 [inline]
 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:507 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:564 [inline]
 nsim_dev_trap_report_work+0x265/0xb20 drivers/net/netdevsim/dev.c:605
 process_one_work+0x789/0xfc0 kernel/workqueue.c:2272
 worker_thread+0xaa4/0x1460 kernel/workqueue.c:2418
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296