------------[ cut here ]------------
HSR: Could not send supervision frame
WARNING: CPU: 0 PID: 111 at net/hsr/hsr_device.c:294 send_hsr_supervision_frame+0x5fe/0x840 net/hsr/hsr_device.c:294
Modules linked in:
CPU: 0 PID: 111 Comm: kswapd1 Not tainted 6.3.0-syzkaller-07919-g6e98b09da931 #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 32 16 9c f7 84 db 0f 85 01 ff ff ff e8 15 1a 9c f7 48 c7 c7 a0 a7 88 8b c6 05 2e 6a 7b 04 01 e8 12 4f 64 f7 <0f> 0b e9 e2 fe ff ff e8 f6 19 9c f7 41 be 3c 00 00 00 ba 01 00 00
RSP: 0000:ffffc90000007c70 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff888017261dc0 RSI: ffffffff814bce17 RDI: 0000000000000001
RBP: ffffc90000007cd0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804c3dcb80
R13: 0000000000000000 R14: 0000000000000017 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88802c600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa14b9f2aab CR3: 000000004c0bb000 CR4: 0000000000150ef0
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:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x114/0x190 kernel/softirq.c:650
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x70 kernel/kcov.c:207
Code: 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be a8 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa <65> 8b 05 3d 21 80 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b
RSP: 0000:ffffc90000e373c8 EFLAGS: 00000293
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff89f9670d RDI: ffff8880172621fc
RBP: ffffc90000e37408 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88801ec988c0
R13: ffffc90000e374e0 R14: ffffffffffffffff R15: 0000000021001000
 rcu_lock_release include/linux/rcupdate.h:332 [inline]
 rcu_read_unlock include/linux/rcupdate.h:806 [inline]
 mt_find+0x2d7/0xa60 lib/maple_tree.c:6554
 find_vma+0x10c/0x1b0 mm/mmap.c:1826
 walk_page_range+0x2b1/0x4a0 mm/pagewalk.c:463
 walk_mm mm/vmscan.c:4239 [inline]
 try_to_inc_max_seq+0xde1/0x2940 mm/vmscan.c:4464
 get_nr_to_scan mm/vmscan.c:5267 [inline]
 try_to_shrink_lruvec+0x97a/0xb90 mm/vmscan.c:5293
 shrink_one+0x46b/0x810 mm/vmscan.c:5341
 shrink_many mm/vmscan.c:5394 [inline]
 lru_gen_shrink_node mm/vmscan.c:5511 [inline]
 shrink_node+0x2064/0x35f0 mm/vmscan.c:6459
 kswapd_shrink_node mm/vmscan.c:7262 [inline]
 balance_pgdat+0xa02/0x1ac0 mm/vmscan.c:7452
 kswapd+0x677/0xd60 mm/vmscan.c:7712
 kthread+0x33e/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
----------------
Code disassembly (best guess):
   0:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
   6:	f3 0f 1e fa          	endbr64
   a:	48 8b be a8 01 00 00 	mov    0x1a8(%rsi),%rdi
  11:	e8 b0 ff ff ff       	callq  0xffffffc6
  16:	31 c0                	xor    %eax,%eax
  18:	c3                   	retq
  19:	66 66 2e 0f 1f 84 00 	data16 nopw %cs:0x0(%rax,%rax,1)
  20:	00 00 00 00
  24:	66 90                	xchg   %ax,%ax
  26:	f3 0f 1e fa          	endbr64
* 2a:	65 8b 05 3d 21 80 7e 	mov    %gs:0x7e80213d(%rip),%eax        # 0x7e80216e <-- trapping instruction
  31:	89 c1                	mov    %eax,%ecx
  33:	48 8b 34 24          	mov    (%rsp),%rsi
  37:	81 e1 00 01 00 00    	and    $0x100,%ecx
  3d:	65                   	gs
  3e:	48                   	rex.W
  3f:	8b                   	.byte 0x8b