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HSR: Could not send supervision frame
WARNING: CPU: 2 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: 2 PID: 111 Comm: kswapd1 Not tainted 6.4.0-rc2-syzkaller #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 12 2d 96 f7 84 db 0f 85 01 ff ff ff e8 25 31 96 f7 48 c7 c7 40 a5 89 8b c6 05 b5 ce 76 04 01 e8 f2 ef 5d f7 <0f> 0b e9 e2 fe ff ff e8 06 31 96 f7 41 be 3c 00 00 00 ba 01 00 00
RSP: 0000:ffffc90000790c70 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff8880168d0040 RSI: ffffffff814b2457 RDI: 0000000000000001
RBP: ffffc90000790cd0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888024c4b400
R13: 0000000000000000 R14: 0000000000000017 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f63577edad5 CR3: 0000000024e07000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:lock_release+0x3f4/0x670 kernel/locking/lockdep.c:5699
Code: 7e 83 f8 01 0f 85 40 01 00 00 9c 58 f6 c4 02 0f 85 2b 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c5 48 c7 45 00 00 00 00 00 c7 45 08 00 00 00 00 48 8b 84 24
RSP: 0000:ffffc90000e476a8 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 82f506d9c65a4eb8 RCX: ffffc90000e476f8
RDX: 1ffff11002d1a15f RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff920001c8ed7 R08: 0000000000000001 R09: ffffffff8e79af97
R10: fffffbfff1cf35f2 R11: 0000000000000000 R12: 0000000000000002
R13: ffff8880168d0b00 R14: 0000000000000003 R15: ffff8880168d0040
rcu_lock_release include/linux/rcupdate.h:332 [inline]
rcu_read_unlock include/linux/rcupdate.h:806 [inline]
list_lru_count_one+0x15d/0x320 mm/list_lru.c:187
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:858
shrink_slab+0x1c8/0x8a0 mm/vmscan.c:1074
shrink_one+0x4f9/0x710 mm/vmscan.c:5379
shrink_many mm/vmscan.c:5429 [inline]
lru_gen_shrink_node mm/vmscan.c:5546 [inline]
shrink_node+0x1fd5/0x3500 mm/vmscan.c:6487
kswapd_shrink_node mm/vmscan.c:7287 [inline]
balance_pgdat+0xa02/0x1ac0 mm/vmscan.c:7477
kswapd+0x677/0xd60 mm/vmscan.c:7737
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
----------------
Code disassembly (best guess):
0: 7e 83 jle 0xffffff85
2: f8 clc
3: 01 0f add %ecx,(%rdi)
5: 85 40 01 test %eax,0x1(%rax)
8: 00 00 add %al,(%rax)
a: 9c pushfq
b: 58 pop %rax
c: f6 c4 02 test $0x2,%ah
f: 0f 85 2b 01 00 00 jne 0x140
15: 48 f7 04 24 00 02 00 testq $0x200,(%rsp)
1c: 00
1d: 74 01 je 0x20
1f: fb sti
20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
27: fc ff df
* 2a: 48 01 c5 add %rax,%rbp <-- trapping instruction
2d: 48 c7 45 00 00 00 00 movq $0x0,0x0(%rbp)
34: 00
35: c7 45 08 00 00 00 00 movl $0x0,0x8(%rbp)
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 84 .byte 0x84
3f: 24 .byte 0x24