HSR: Could not send supervision frame
WARNING: CPU: 1 PID: 28229 at net/hsr/hsr_device.c:294 send_hsr_supervision_frame+0x5fe/0x840 net/hsr/hsr_device.c:294
Modules linked in:
CPU: 1 PID: 28229 Comm: kworker/1:6 Not tainted 6.3.0-rc5-syzkaller-00202-ga79d5c76f705 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Workqueue: events_freezable_power_ disk_events_workfn
RIP: 0010:send_hsr_supervision_frame+0x5fe/0x840 net/hsr/hsr_device.c:294
Code: 04 31 ff 89 de e8 12 49 a3 f7 84 db 0f 85 01 ff ff ff e8 f5 4c a3 f7 48 c7 c7 e0 62 87 8b c6 05 d9 71 82 04 01 e8 32 d3 6b f7 <0f> 0b e9 e2 fe ff ff e8 d6 4c a3 f7 41 be 3c 00 00 00 ba 01 00 00
RSP: 0000:ffffc900005c8c70 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff88802986c180 RSI: ffffffff814a8287 RDI: 0000000000000001
RBP: ffffc900005c8cd0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888015dfbe80
R13: 0000000000000000 R14: 0000000000000017 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88802ca80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1372582ac4 CR3: 000000001bf32000 CR4: 0000000000150ee0
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:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 66 06 8d 02 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 0d be 81 7e 89 c1 48 8b 34 24 81 e1 00 01 00
RSP: 0000:ffffc90020cff250 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000
RDX: ffff88802986c180 RSI: ffffffff84853b31 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000000000 R12: ffff88802cab9020
R13: 1ffff9200419fe4e R14: 0000000000000001 R15: 000000000000004c
 get_random_u8+0x427/0x7d0 drivers/char/random.c:530
 get_random_u32_below include/linux/random.h:78 [inline]
 lru_gen_rotate_memcg+0x1e/0xab0 mm/vmscan.c:4709
 shrink_many mm/vmscan.c:5405 [inline]
 lru_gen_shrink_node mm/vmscan.c:5511 [inline]
 shrink_node+0x281a/0x35f0 mm/vmscan.c:6459
 shrink_zones mm/vmscan.c:6711 [inline]
 do_try_to_free_pages+0x3b4/0x17b0 mm/vmscan.c:6773
 try_to_free_pages+0x2ab/0x710 mm/vmscan.c:7008
 __perform_reclaim mm/page_alloc.c:4793 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:4815 [inline]
 __alloc_pages_slowpath.constprop.0+0x808/0x2170 mm/page_alloc.c:5220
 __alloc_pages+0x408/0x4a0 mm/page_alloc.c:5605
 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2283
 bio_copy_kern block/blk-map.c:496 [inline]
 blk_rq_map_kern+0x50a/0x7a0 block/blk-map.c:790
 scsi_execute_cmd+0x59a/0x760 drivers/scsi/scsi_lib.c:223
 sr_get_events drivers/scsi/sr.c:178 [inline]
 sr_check_events+0x1d1/0xa90 drivers/scsi/sr.c:218
 cdrom_update_events drivers/cdrom/cdrom.c:1485 [inline]
 cdrom_check_events+0x63/0x110 drivers/cdrom/cdrom.c:1495
 sr_block_check_events+0xc3/0x100 drivers/scsi/sr.c:562
 disk_check_events+0xc2/0x420 block/disk-events.c:193
 process_one_work+0x991/0x15c0 kernel/workqueue.c:2390
 worker_thread+0x669/0x1090 kernel/workqueue.c:2537
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
----------------
Code disassembly (best guess):
   0:	66 06                	data16 (bad)
   2:	8d 02                	lea    (%rdx),%eax
   4:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
   a:	f3 0f 1e fa          	endbr64
   e:	48 8b be a8 01 00 00 	mov    0x1a8(%rsi),%rdi
  15:	e8 b0 ff ff ff       	callq  0xffffffca
  1a:	31 c0                	xor    %eax,%eax
  1c:	c3                   	retq
  1d:	66 66 2e 0f 1f 84 00 	data16 nopw %cs:0x0(%rax,%rax,1)
  24:	00 00 00 00
  28:	66 90                	xchg   %ax,%ax
* 2a:	f3 0f 1e fa          	endbr64 <-- trapping instruction
  2e:	65 8b 05 0d be 81 7e 	mov    %gs:0x7e81be0d(%rip),%eax        # 0x7e81be42
  35:	89 c1                	mov    %eax,%ecx
  37:	48 8b 34 24          	mov    (%rsp),%rsi
  3b:	81                   	.byte 0x81
  3c:	e1 00                	loope  0x3e
  3e:	01 00                	add    %eax,(%rax)