HSR: Could not send supervision frame
WARNING: CPU: 0 PID: 1048 at net/hsr/hsr_device.c:293 send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293
Modules linked in:
CPU: 0 PID: 1048 Comm: kworker/u4:5 Not tainted 5.16.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293
Code: 1d 79 2f 89 04 31 ff 89 de e8 3f 2c 84 f8 84 db 75 b6 e8 56 28 84 f8 48 c7 c7 60 d0 d7 8a c6 05 59 2f 89 04 01 e8 7d cf 0c 00 <0f> 0b eb 9a e8 3a 28 84 f8 41 be 3c 00 00 00 ba 01 00 00 00 4c 89
RSP: 0000:ffffc90000007c60 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801bf55700 RSI: ffffffff815f0c28 RDI: fffff52000000f7e
RBP: ffff888030628c80 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815ea9ce R11: 0000000000000000 R12: ffff88807de19400
R13: 0000000000000000 R14: ffff88807de19418 R15: 0000000000000017
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f31ee4b2b00 CR3: 000000000b88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 hsr_announce+0x109/0x330 net/hsr/hsr_device.c:382
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
 expire_timers kernel/time/timer.c:1466 [inline]
 __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
 __run_timers kernel/time/timer.c:1715 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0x457/0xc20 kernel/smp.c:969
Code: 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 80 75 0b 00 f3 90 41 0f b6 04 24 <40> 38 c5 7c 08 84 c0 0f 85 33 06 00 00 8b 43 08 31 ff 83 e0 01 41
RSP: 0000:ffffc90004d9f9f8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b9d3fca0 RCX: 0000000000000000
RDX: ffff88801bf55700 RSI: ffffffff816c23e0 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff816c2406 R11: 0000000000000000 R12: ffffed10173a7f95
R13: 0000000000000001 R14: ffff8880b9d3fca8 R15: 0000000000000001
 on_each_cpu_cond_mask+0x56/0xa0 kernel/smp.c:1135
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1112 [inline]
 text_poke_bp_batch+0x355/0x560 arch/x86/kernel/alternative.c:1350
 text_poke_flush arch/x86/kernel/alternative.c:1451 [inline]
 text_poke_flush arch/x86/kernel/alternative.c:1448 [inline]
 text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1458
 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x1d5/0x430 kernel/jump_label.c:830
 static_key_enable_cpuslocked+0x1b1/0x260 kernel/jump_label.c:177
 static_key_enable+0x16/0x20 kernel/jump_label.c:190
 toggle_allocation_gate mm/kfence/core.c:732 [inline]
 toggle_allocation_gate+0x100/0x390 mm/kfence/core.c:724
 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
----------------
Code disassembly (best guess):
   0:	4d                   	rex.WRB
   1:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   8:	fc ff df
   b:	4d 89 f4             	mov    %r14,%r12
   e:	4c 89 f5             	mov    %r14,%rbp
  11:	49 c1 ec 03          	shr    $0x3,%r12
  15:	83 e5 07             	and    $0x7,%ebp
  18:	49 01 c4             	add    %rax,%r12
  1b:	83 c5 03             	add    $0x3,%ebp
  1e:	e8 80 75 0b 00       	callq  0xb75a3
  23:	f3 90                	pause
  25:	41 0f b6 04 24       	movzbl (%r12),%eax
* 2a:	40 38 c5             	cmp    %al,%bpl <-- trapping instruction
  2d:	7c 08                	jl     0x37
  2f:	84 c0                	test   %al,%al
  31:	0f 85 33 06 00 00    	jne    0x66a
  37:	8b 43 08             	mov    0x8(%rbx),%eax
  3a:	31 ff                	xor    %edi,%edi
  3c:	83 e0 01             	and    $0x1,%eax
  3f:	41                   	rex.B