------------[ cut here ]------------
HSR: Could not send supervision frame
WARNING: CPU: 0 PID: 15478 at net/hsr/hsr_device.c:299 send_hsr_supervision_frame+0x8a6/0xb60 net/hsr/hsr_device.c:299
Modules linked in:
CPU: 0 PID: 15478 Comm: kworker/0:13 Not tainted 5.10.0-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+0x8a6/0xb60 net/hsr/hsr_device.c:299
Code: 01 31 ff 89 de e8 3a 9b b4 f8 84 db 0f 85 6e fd ff ff e8 4d 93 b4 f8 48 c7 c7 20 db 90 8a c6 05 ed 2b ac 04 01 e8 70 a4 0b 00 <0f> 0b e9 4f fd ff ff e8 2e 93 b4 f8 41 be 42 00 00 00 ba 01 00 00
RSP: 0018:ffffc90000007c68 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88807d438040 RSI: ffffffff815a69d5 RDI: fffff52000000f7f
RBP: 00000000000088fb R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815a4e2b R11: 0000000000000000 R12: ffff88801407dc00
R13: 0000000000000000 R14: ffff8880760a4ca8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056391cc14e8d CR3: 00000000196a7000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 hsr_announce+0x13f/0x360 net/hsr/hsr_device.c:404
 call_timer_fn+0x1a5/0x710 kernel/time/timer.c:1417
 expire_timers kernel/time/timer.c:1462 [inline]
 __run_timers.part.0+0x692/0xa80 kernel/time/timer.c:1731
 __run_timers kernel/time/timer.c:1712 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1744
 __do_softirq+0x2bc/0xa77 kernel/softirq.c:343
 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+0xaa/0xd0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:226 [inline]
 __irq_exit_rcu+0x17f/0x200 kernel/softirq.c:420
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:432
 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:25 [inline]
RIP: 0010:slab_want_init_on_alloc mm/slab.h:600 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3254 [inline]
RIP: 0010:kmem_cache_alloc_node+0x122/0x3f0 mm/slab.c:3578
Code: 84 8b 01 00 00 45 89 e7 44 89 fa 89 de 48 89 ef e8 23 fd ff ff 48 89 44 24 20 48 83 7c 24 08 00 0f 85 be 01 00 00 ff 34 24 9d <e9> f4 00 00 00 f6 c7 01 4c 8b 44 24 20 0f 85 08 01 00 00 23 1d 99
RSP: 0018:ffffc90001fa7bb0 EFLAGS: 00000246
RAX: 00000000000a73a7 RBX: 0000000000000a20 RCX: ffffffff815741b7
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888140056a00 R08: 0000000000000001 R09: ffffffff8f51887f
R10: fffffbfff1ea310f R11: 0000000000000000 R12: 00000000ffffffff
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 __alloc_skb+0x71/0x5c0 net/core/skbuff.c:198
 alloc_skb include/linux/skbuff.h:1099 [inline]
 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:513 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline]
 nsim_dev_trap_report_work+0x2ac/0xbd0 drivers/net/netdevsim/dev.c:611
 process_one_work+0x98d/0x1630 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296