------------[ cut here ]------------
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-rc4-syzkaller-00198-g9e87b63ed37e #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 f2 73 95 f7 84 db 0f 85 01 ff ff ff e8 05 78 95 f7 48 c7 c7 60 e4 89 8b c6 05 6f fd 75 04 01 e8 d2 33 5d f7 <0f> 0b e9 e2 fe ff ff e8 e6 77 95 f7 41 be 3c 00 00 00 ba 01 00 00
RSP: 0000:ffffc90000588c70 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff8880176dc800 RSI: ffffffff814c03a7 RDI: 0000000000000001
RBP: ffffc90000588cd0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 000000003a525348 R12: ffff88804808df80
R13: 0000000000000000 R14: 0000000000000017 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdd40224fa7 CR3: 0000000023ddf000 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:write_comp_data+0x3c/0x90 kernel/kcov.c:236
Code: 01 00 00 49 89 f8 65 48 8b 14 25 c0 bb 03 00 a9 00 01 ff 00 74 0e 85 f6 74 59 8b 82 0c 16 00 00 85 c0 74 4f 8b 82 e8 15 00 00 <83> f8 03 75 44 48 8b 82 f0 15 00 00 8b 92 ec 15 00 00 48 8b 38 48
RSP: 0000:ffffc90001f7f3f0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000040 RCX: ffffffff89fe13ab
RDX: ffff8880176dc800 RSI: 0000000000000000 RDI: 0000000000000006
RBP: ffff88804e059a08 R08: 0000000000000006 R09: 00000000f6600000
R10: 00000000f5dfefff R11: 0000000000000001 R12: 0000000000000008
R13: 000000000000000e R14: 00000000f6600000 R15: 00000000f5dfefff
mtree_range_walk+0x2fb/0x940 lib/maple_tree.c:2967
mas_state_walk lib/maple_tree.c:3881 [inline]
mt_find+0x495/0xa60 lib/maple_tree.c:6505
find_vma+0x10c/0x1b0 mm/mmap.c:1863
walk_page_range+0x2b1/0x4a0 mm/pagewalk.c:463
walk_mm mm/vmscan.c:4289 [inline]
try_to_inc_max_seq.constprop.0+0x1239/0x2270 mm/vmscan.c:4514
get_nr_to_scan mm/vmscan.c:5304 [inline]
try_to_shrink_lruvec+0x974/0xb90 mm/vmscan.c:5330
shrink_one+0x462/0x710 mm/vmscan.c:5378
shrink_many mm/vmscan.c:5430 [inline]
lru_gen_shrink_node mm/vmscan.c:5547 [inline]
shrink_node+0x1fd5/0x3500 mm/vmscan.c:6488
kswapd_shrink_node mm/vmscan.c:7288 [inline]
balance_pgdat+0xa02/0x1ac0 mm/vmscan.c:7478
kswapd+0x677/0xd60 mm/vmscan.c:7738
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
----------------
Code disassembly (best guess):
0: 01 00 add %eax,(%rax)
2: 00 49 89 add %cl,-0x77(%rcx)
5: f8 clc
6: 65 48 8b 14 25 c0 bb mov %gs:0x3bbc0,%rdx
d: 03 00
f: a9 00 01 ff 00 test $0xff0100,%eax
14: 74 0e je 0x24
16: 85 f6 test %esi,%esi
18: 74 59 je 0x73
1a: 8b 82 0c 16 00 00 mov 0x160c(%rdx),%eax
20: 85 c0 test %eax,%eax
22: 74 4f je 0x73
24: 8b 82 e8 15 00 00 mov 0x15e8(%rdx),%eax
* 2a: 83 f8 03 cmp $0x3,%eax <-- trapping instruction
2d: 75 44 jne 0x73
2f: 48 8b 82 f0 15 00 00 mov 0x15f0(%rdx),%rax
36: 8b 92 ec 15 00 00 mov 0x15ec(%rdx),%edx
3c: 48 8b 38 mov (%rax),%rdi
3f: 48 rex.W