ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
------------[ cut here ]------------
HSR: Could not send supervision frame
WARNING: CPU: 0 PID: 109 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: 109 Comm: kswapd0 Not tainted 6.3.0-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 42 2a a3 f7 84 db 0f 85 01 ff ff ff e8 25 2e a3 f7 48 c7 c7 40 69 87 8b c6 05 49 42 82 04 01 e8 f2 9d 6b f7 <0f> 0b e9 e2 fe ff ff e8 06 2e a3 f7 41 be 3c 00 00 00 ba 01 00 00
RSP: 0000:ffffc90000007c70 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff8880191e0080 RSI: ffffffff814a8297 RDI: 0000000000000001
RBP: ffffc90000007cd0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801c629200
R13: 0000000000000000 R14: 0000000000000017 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802c600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000cc0428 CR3: 0000000029acf000 CR4: 0000000000150ef0
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:1107
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 2a 6c 61 f7 48 89 ef e8 c2 d8 61 f7 e8 fd 37 86 f7 fb bf 01 00 00 00 b2 10 54 f7 65 8b 05 63 57 01 76 85 c0 74 02 5d c3 e8 d0 23 fe
RSP: 0000:ffffc90001f7f600 EFLAGS: 00000206
RAX: 00000000036af1bd RBX: 0000000000000001 RCX: 1ffffffff229a27e
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff8880735f4050 R08: 0000000000000001 R09: ffffffff914c8b97
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000001 R14: dffffc0000000000 R15: ffffc90001f7f750
spin_unlock_irq include/linux/spinlock.h:400 [inline]
evict_folios+0x708/0x1940 mm/vmscan.c:5116
try_to_shrink_lruvec+0x82c/0xb90 mm/vmscan.c:5297
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+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
----------------
Code disassembly (best guess):
0: 90 nop
1: f3 0f 1e fa endbr64
5: 55 push %rbp
6: 48 8b 74 24 08 mov 0x8(%rsp),%rsi
b: 48 89 fd mov %rdi,%rbp
e: 48 83 c7 18 add $0x18,%rdi
12: e8 2a 6c 61 f7 callq 0xf7616c41
17: 48 89 ef mov %rbp,%rdi
1a: e8 c2 d8 61 f7 callq 0xf761d8e1
1f: e8 fd 37 86 f7 callq 0xf7863821
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 b2 10 54 f7 callq 0xf75410e1 <-- trapping instruction
2f: 65 8b 05 63 57 01 76 mov %gs:0x76015763(%rip),%eax # 0x76015799
36: 85 c0 test %eax,%eax
38: 74 02 je 0x3c
3a: 5d pop %rbp
3b: c3 retq
3c: e8 .byte 0xe8
3d: d0 23 shlb (%rbx)
3f: fe .byte 0xfe