ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
------------[ cut here ]------------
HSR: Could not send supervision frame
WARNING: CPU: 3 PID: 11905 at net/hsr/hsr_device.c:293 send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293
Modules linked in:
CPU: 3 PID: 11905 Comm: syz-executor.2 Not tainted 5.14.0-rc3-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293
Code: 1d 93 82 7c 04 31 ff 89 de e8 5f 19 9a f8 84 db 75 b6 e8 16 13 9a f8 48 c7 c7 80 6e b4 8a c6 05 73 82 7c 04 01 e8 c4 58 0c 00 <0f> 0b eb 9a e8 fa 12 9a f8 41 be 3c 00 00 00 ba 01 00 00 00 4c 89
RSP: 0000:ffffc900005b8c60 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888026c23880 RSI: ffffffff815d7935 RDI: fffff520000b717e
RBP: ffff88804ad52c00 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815d176e R11: 0000000000000000 R12: ffff88802144d580
R13: 0000000000000000 R14: ffff88802144d598 R15: 0000000000000017
FS:  0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:00000000f55c0b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000000000050 CR3: 00000000784d5000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 hsr_announce+0x109/0x330 net/hsr/hsr_device.c:382
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1419
 expire_timers kernel/time/timer.c:1464 [inline]
 __run_timers.part.0+0x675/0xa50 kernel/time/timer.c:1732
 __run_timers kernel/time/timer.c:1713 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1745
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:191
Code: 74 24 10 e8 9a 4b 2e f8 48 89 ef e8 42 c1 2e f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 23 9b 22 f8 65 8b 05 3c 26 d5 76 85 c0 74 0a 5b 5d c3 e8 b0 f4
RSP: 0000:ffffc90009d17d08 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1ad8899
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff8880141bc0c0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817bbe78 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880141bc0c0 R14: ffff888026c240a8 R15: 000000000000000b
 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
 force_sig_info_to_task+0x353/0x410 kernel/signal.c:1350
 force_sig_fault_to_task kernel/signal.c:1688 [inline]
 force_sig_fault+0xb0/0xf0 kernel/signal.c:1695
 __bad_area_nosemaphore+0x2e3/0x400 arch/x86/mm/fault.c:840
 do_user_addr_fault+0x8dd/0x11c0 arch/x86/mm/fault.c:1353
 handle_page_fault arch/x86/mm/fault.c:1475 [inline]
 exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1531
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0023:0x80521e7
Code: 0c 50 e8 dc 5a 01 00 83 c4 10 85 c0 0f 84 b9 01 00 00 65 f0 83 2d d8 ff ff ff 01 8b 5c 24 08 e8 9f f7 00 00 8b 4c 24 0c 8b 00 <8b> 71 50 89 41 54 85 c0 75 05 83 fe ff 74 19 6b 44 24 1c 34 8b 4c
RSP: 002b:00000000f55c0640 EFLAGS: 00010283
RAX: 000000000000000e RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000080521c4 RSI: 0000000000000003 RDI: 00000000080ea4f5
RBP: 000000000819afc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000