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HSR: Could not send supervision frame
WARNING: CPU: 2 PID: 113 at net/hsr/hsr_device.c:294 send_hsr_supervision_frame+0x5fe/0x840 net/hsr/hsr_device.c:294
Modules linked in:
CPU: 2 PID: 113 Comm: kswapd1 Not tainted 6.4.0-syzkaller-01647-g6e2332e0ab53 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:send_hsr_supervision_frame+0x5fe/0x840 net/hsr/hsr_device.c:294
Code: 04 31 ff 89 de e8 d2 88 93 f7 84 db 0f 85 01 ff ff ff e8 e5 8c 93 f7 48 c7 c7 80 35 8a 8b c6 05 12 20 74 04 01 e8 a2 f8 5a f7 <0f> 0b e9 e2 fe ff ff e8 c6 8c 93 f7 41 be 3c 00 00 00 ba 01 00 00
RSP: 0000:ffffc90000530c80 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff88801766c800 RSI: ffffffff814c1447 RDI: 0000000000000001
RBP: ffffc90000530ce0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88806786e780
R13: 0000000000000000 R14: 0000000000000017 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000403ace CR3: 000000001b95f000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 hsr_announce+0x10d/0x370 net/hsr/hsr_device.c:382
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
 __run_timers kernel/time/timer.c:2022 [inline]
 __run_timers kernel/time/timer.c:1995 [inline]
 run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
 __do_softirq+0x1d4/0x905 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
RIP: 0010:rcu_is_watching+0x20/0xb0 kernel/rcu/tree.c:695
Code: 7e 0f b6 c0 c3 0f 1f 44 00 00 f3 0f 1e fa 55 53 65 ff 05 1b 0e 96 7e e8 5e 7c a4 08 48 c7 c3 e8 6c 03 00 83 f8 07 89 c5 77 7a <48> 8d 3c ed 00 ca 13 8c 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48
RSP: 0000:ffffc90001fc7678 EFLAGS: 00000293
RAX: 0000000000000002 RBX: 0000000000036ce8 RCX: ffffffff81661f6c
RDX: 0000000000000002 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8e7af8d7
R10: fffffbfff1cf5f1a R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8c7989c0 R15: 0000000000000000
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0x470/0x520 kernel/locking/lockdep.c:5732
 rcu_lock_acquire include/linux/rcupdate.h:302 [inline]
 rcu_read_lock include/linux/rcupdate.h:748 [inline]
 list_lru_count_one+0x42/0x320 mm/list_lru.c:184
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x1b5/0x2e0 fs/super.c:147
 do_shrink_slab+0x7e/0xaa0 mm/vmscan.c:842
 shrink_slab+0x175/0x6c0 mm/vmscan.c:1055
 shrink_one+0x4f9/0x710 mm/vmscan.c:5365
 shrink_many mm/vmscan.c:5415 [inline]
 lru_gen_shrink_node mm/vmscan.c:5532 [inline]
 shrink_node+0x1fd5/0x3500 mm/vmscan.c:6473
 kswapd_shrink_node mm/vmscan.c:7273 [inline]
 balance_pgdat+0xa02/0x1ac0 mm/vmscan.c:7463
 kswapd+0x677/0xd60 mm/vmscan.c:7723
 kthread+0x344/0x440 kernel/kthread.c:389
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
----------------
Code disassembly (best guess):
   0:	7e 0f                	jle    0x11
   2:	b6 c0                	mov    $0xc0,%dh
   4:	c3                   	retq
   5:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   a:	f3 0f 1e fa          	endbr64
   e:	55                   	push   %rbp
   f:	53                   	push   %rbx
  10:	65 ff 05 1b 0e 96 7e 	incl   %gs:0x7e960e1b(%rip)        # 0x7e960e32
  17:	e8 5e 7c a4 08       	callq  0x8a47c7a
  1c:	48 c7 c3 e8 6c 03 00 	mov    $0x36ce8,%rbx
  23:	83 f8 07             	cmp    $0x7,%eax
  26:	89 c5                	mov    %eax,%ebp
  28:	77 7a                	ja     0xa4
* 2a:	48 8d 3c ed 00 ca 13 	lea    -0x73ec3600(,%rbp,8),%rdi <-- trapping instruction
  31:	8c
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df
  3c:	48 89 fa             	mov    %rdi,%rdx
  3f:	48                   	rex.W