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IPVS: wlc: UDP 224.0.0.2:0 - no destination available
IPVS: wlc: UDP 224.0.0.2:0 - no destination available
IPVS: wlc: UDP 224.0.0.2:0 - no destination available
IPVS: wlc: UDP 224.0.0.2:0 - no destination available
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P13598/1:b..l
rcu: 	(detected by 0, t=10506 jiffies, g=81753, q=411 ncpus=2)
task:syz.8.2683      state:R  running task     stack:25064 pid:13598 tgid:13597 ppid:13254  task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7234
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7556
 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline]
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x205/0xa00 kernel/entry/common.c:167
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:debug_lockdep_rcu_enabled+0xa/0x40 kernel/rcu/update.c:320
Code: 24 04 e8 a9 fa ff ff 8b 44 24 04 eb aa 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 8b 05 6e 75 69 05 <85> c0 74 20 8b 05 20 a8 69 05 85 c0 74 16 65 48 8b 05 c8 8d aa 08
RSP: 0018:ffffc90002e4f038 EFLAGS: 00000246
RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffc900106b5000
RDX: 0000000000080000 RSI: ffffffff8a566584 RDI: ffff88801eb14a80
RBP: ffffc90002e4f270 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: ffffc90002e4f160 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000002 R15: ffff888032f31000
 rcu_read_unlock include/linux/rcupdate.h:869 [inline]
 xfrm_state_find+0x679/0x9100 net/xfrm/xfrm_state.c:1637
 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2516 [inline]
 xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2567 [inline]
 xfrm_resolve_and_create_bundle+0x49e/0x3500 net/xfrm/xfrm_policy.c:2865
 xfrm_lookup_with_ifid+0x29b/0x1ce0 net/xfrm/xfrm_policy.c:3199
 xfrm_lookup net/xfrm/xfrm_policy.c:3330 [inline]
 xfrm_lookup_route+0x3b/0x200 net/xfrm/xfrm_policy.c:3341
 ip_route_output_flow+0x11e/0x150 net/ipv4/route.c:2936
 udp_sendmsg+0x198a/0x2720 net/ipv4/udp.c:1409
 inet_sendmsg+0x105/0x140 net/ipv4/af_inet.c:865
 sock_sendmsg_nosec net/socket.c:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 ____sys_sendmsg+0x9c9/0xbe0 net/socket.c:2684
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2738
 __sys_sendmmsg+0x20c/0x440 net/socket.c:2827
 __do_sys_sendmmsg net/socket.c:2854 [inline]
 __se_sys_sendmmsg net/socket.c:2851 [inline]
 __x64_sys_sendmmsg+0x9c/0x100 net/socket.c:2851
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f969899de59
RSP: 002b:00007f9699889028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f9698c25fa0 RCX: 00007f969899de59
RDX: 000000000800001d RSI: 0000200000007fc0 RDI: 0000000000000005
RBP: 00007f9698a33e6f R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000001c R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9698c26038 R14: 00007f9698c25fa0 R15: 00007ffc92a53768
 </TASK>
rcu: rcu_preempt kthread starved for 10506 jiffies! g81753 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27432 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7234
 __schedule_loop kernel/sched/core.c:7311 [inline]
 schedule+0xdd/0x2c0 kernel/sched/core.c:7326
 schedule_timeout+0x127/0x280 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1a9/0x900 kernel/rcu/tree.c:2123
 rcu_gp_kthread+0x179/0x230 kernel/rcu/tree.c:2325
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 12742 Comm: udevd Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/10/2026
RIP: 0010:write_comp_data+0x40/0x90 kernel/kcov.c:246
Code: 59 12 a9 00 01 ff 00 74 1b f6 c4 01 74 07 a9 00 00 ff 00 74 05 e9 40 28 b2 09 8b 87 24 17 00 00 85 c0 74 f1 8b 87 f8 16 00 00 <83> f8 03 75 e6 48 8b 87 00 17 00 00 8b bf fc 16 00 00 48 8b 30 48
RSP: 0000:ffffc90006a67880 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81fd3abd
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff88802c842540
RBP: ffff8880b8541240 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003
R13: ffffed10170a8249 R14: 0000000000000001 R15: ffff8880b843c880
FS:  00007f2481a1d880(0000) GS:ffff888123dec000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f24819abd74 CR3: 00000000614d4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000c DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 csd_lock_wait kernel/smp.c:342 [inline]
 smp_call_function_many_cond+0x5ad/0x16c0 kernel/smp.c:892
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1057
 __flush_tlb_multi arch/x86/include/asm/paravirt.h:46 [inline]
 flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline]
 flush_tlb_mm_range+0x45f/0x16f0 arch/x86/mm/tlb.c:1451
 flush_tlb_page arch/x86/include/asm/tlbflush.h:345 [inline]
 ptep_clear_flush+0x148/0x170 mm/pgtable-generic.c:104
 wp_page_copy mm/memory.c:3941 [inline]
 do_wp_page+0x12a4/0x4350 mm/memory.c:4336
 handle_pte_fault mm/memory.c:6395 [inline]
 __handle_mm_fault+0x1ab6/0x2a00 mm/memory.c:6517
 handle_mm_fault+0x37b/0xa30 mm/memory.c:6686
 do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1343
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f2481acb210
Code: e8 25 4f ff ff 48 89 df c7 00 02 00 00 00 e8 a7 4e ff ff 48 8b 7c 24 28 e8 9d 4e ff ff e9 43 ff ff ff 0f 1f 84 00 00 00 00 00 <41> c6 45 2c 01 e9 be fe ff ff 66 0f 1f 44 00 00 48 8b 04 24 48 8b
RSP: 002b:00007ffc5d228b30 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007f24819abd40 RCX: 000055c005a1f1a6
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055c00580b830
RBP: 0000000000000000 R08: 0000000000000000 R09: 000055c00580bd60
R10: 0000000000000000 R11: 00007f2481a5e974 R12: 00007f24819abd10
R13: 00007f24819abd48 R14: 0000000000000060 R15: 0000000000000000
 </TASK>
IPVS: wlc: UDP 224.0.0.2:0 - no destination available
IPVS: wlc: UDP 224.0.0.2:0 - no destination available
IPVS: wlc: UDP 224.0.0.2:0 - no destination available
IPVS: wlc: UDP 224.0.0.2:0 - no destination available
IPVS: wlc: UDP 224.0.0.2:0 - no destination available
IPVS: wlc: UDP 224.0.0.2:0 - no destination available
IPVS: wlc: UDP 224.0.0.2:0 - no destination available
IPVS: wlc: UDP 224.0.0.2:0 - no destination available
IPVS: wlc: UDP 224.0.0.2:0 - no destination available