IPVS: ovf: UDP 224.0.0.2:0 - no destination available
------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:157 at inet_sock_destruct+0x653/0x800 net/ipv4/af_inet.c:157, CPU#0: swapper/0/0
Modules linked in:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:inet_sock_destruct+0x653/0x800 net/ipv4/af_inet.c:157
Code: ab 4f ff e9 06 fd ff ff e8 fa 2d 14 f8 90 0f 0b 90 e9 35 fe ff ff e8 ec 2d 14 f8 90 0f 0b 90 e9 c5 fe ff ff e8 de 2d 14 f8 90 <0f> 0b 90 e9 04 ff ff ff e8 d0 2d 14 f8 90 0f 0b 90 e9 65 fe ff ff
RSP: 0018:ffffc90000007d98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880640e98c0 RCX: ffffffff89f2cc87
RDX: ffffffff8e297ac0 RSI: ffffffff89f2cd82 RDI: ffffffff8e297ac0
RBP: 0000000000000f70 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000f70 R11: 000000000000a8af R12: ffff8880640e98c0
R13: ffff8880640e9950 R14: ffffffff81ece74b R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880d65db000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c4213a3 CR3: 0000000029229000 CR4: 0000000000352ef0
Call Trace:
__sk_destruct+0x85/0xbb0 net/core/sock.c:2350
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0x7c0/0x15c0 kernel/rcu/tree.c:2857
handle_softirqs+0x1ea/0x910 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xef/0x150 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82
Code: 66 78 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 83 bc 14 00 fb f4 fc 31 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffffff8e207e00 EFLAGS: 00000202
RAX: 00000000002dd8b9 RBX: ffffffff8e297ac0 RCX: ffffffff8b76c4b5
RDX: 0000000000000000 RSI: ffffffff8dc454ef RDI: ffffffff8bfa35a0
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d48673d
R10: ffff88806a4339eb R11: 0000000000000000 R12: fffffbfff1c52f58
R13: 0000000000000000 R14: ffffffff90b74bd0 R15: 0000000000000000
arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
default_idle+0x9/0x10 arch/x86/kernel/process.c:767
default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
cpuidle_idle_call kernel/sched/idle.c:191 [inline]
do_idle+0x35b/0x4b0 kernel/sched/idle.c:332
cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430
rest_init+0x251/0x260 init/main.c:757
start_kernel+0x47a/0x480 init/main.c:1206
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x122/0x130 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x148
----------------
Code disassembly (best guess):
0: 66 78 02 data16 js 0x5
3: c3 ret
4: cc int3
5: cc int3
6: cc int3
7: cc int3
8: 0f 1f 00 nopl (%rax)
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: 90 nop
1a: 90 nop
1b: f3 0f 1e fa endbr64
1f: eb 07 jmp 0x28
21: 0f 00 2d 83 bc 14 00 verw 0x14bc83(%rip) # 0x14bcab
28: fb sti
29: f4 hlt
* 2a: e9 fc 31 03 00 jmp 0x3322b <-- trapping instruction
2f: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
36: 00 00 00
39: 66 90 xchg %ax,%ax
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop