rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=8825, q=562 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10493 (4294955492-4294944999), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10493 jiffies! g8825 f0x2 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:26712 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0x143f/0x4570 kernel/sched/core.c:6558
 schedule+0xbf/0x180 kernel/sched/core.c:6634
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1965
 rcu_gp_fqs_loop+0x2d2/0x1150 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0xa3/0x3b0 kernel/rcu/tree.c:1905
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4359 Comm: syz.4.11 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0x80 kernel/kcov.c:321
Code: 39 c8 77 22 89 f8 89 f6 49 ff c2 4c 89 11 48 c7 44 0a 08 05 00 00 00 48 89 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 c3 0f 1f 00 <4c> 8b 04 24 65 48 8b 0d 64 cf 77 7e 65 8b 05 65 cf 77 7e 25 00 01
RSP: 0018:ffffc90000006878 EFLAGS: 00000046
RAX: ffffffff81e1ffa7 RBX: ffff888072c688a8 RCX: ffffffff8fdd1000
RDX: ffffffff8ff2b301 RSI: ffffffff81e1ffa7 RDI: 0000000000000000
RBP: ffffc900000069d0 R08: ffffc900000077c8 R09: ffffc90000006950
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffffff81e1ffa7 R14: 1ffff92000000d1c R15: ffffc90000006900
FS:  00007fdf1605b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4e02c756c0 CR3: 0000000027799000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 perf_callchain_kernel+0x378/0x620 arch/x86/events/core.c:2807
 get_perf_callchain+0x579/0x810 kernel/events/callchain.c:200
 perf_callchain kernel/events/core.c:7488 [inline]
 perf_prepare_sample+0x390/0x1fb0 kernel/events/core.c:7521
 __perf_event_output kernel/events/core.c:7706 [inline]
 perf_event_output_forward+0x1b7/0x330 kernel/events/core.c:7726
 __perf_event_overflow+0x45e/0x640 kernel/events/core.c:9472
 perf_swevent_hrtimer+0x38e/0x4f0 kernel/events/core.c:10880
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x5a7/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x158/0x5b0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1118
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:unwind_next_frame+0x564/0x2220 arch/x86/kernel/unwind_orc.c:461
Code: 80 09 8b 4c 8d 6d 04 48 8d 5d 05 4d 89 ef 49 c1 ef 03 41 0f b6 04 3f 84 c0 0f 85 92 16 00 00 48 89 d8 48 c1 e8 03 0f b6 04 38 <84> c0 0f 85 a5 16 00 00 41 0f b7 45 00 89 c3 83 e3 0f 0f 84 94 00
RSP: 0018:ffffc90000007340 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffffffff8f1656bd RCX: ffffffff8eaa075c
RDX: ffffffff8f1656b8 RSI: ffffffff813cd400 RDI: dffffc0000000000
RBP: ffffffff8f1656b8 R08: 0000000000000011 R09: ffffc90000007510
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffffff8f1656bc R14: ffffffff8eaa0758 R15: 1ffffffff1e2cad7
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383
 kmalloc include/linux/slab.h:557 [inline]
 dst_cow_metrics_generic+0x52/0x1b0 net/core/dst.c:202
 dst_metrics_write_ptr include/net/dst.h:119 [inline]
 dst_metric_set include/net/dst.h:180 [inline]
 icmp6_dst_alloc+0x2bf/0x470 net/ipv6/route.c:3282
 ndisc_send_skb+0x344/0x14e0 net/ipv6/ndisc.c:491
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3963
 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1549 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x9d/0xc0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:unwind_get_return_address+0x0/0x80 arch/x86/kernel/unwind_orc.c:319
Code: 03 38 c1 0f 8c fb fe ff ff 48 89 df 89 74 24 14 e8 85 51 a5 00 48 8d 7c 24 40 8b 74 24 14 e9 e1 fe ff ff e8 42 ff 74 09 66 90 <41> 57 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df 48 89 f8 48
RSP: 0018:ffffc90004596c98 EFLAGS: 00000202
RAX: 0000000080000001 RBX: ffffc90004596ca0 RCX: 0000000080000001
RDX: dffffc0000000000 RSI: ffffc90004590000 RDI: ffffc90004596ca0
RBP: ffffc90004596d30 R08: ffffc90004597060 R09: ffffc90004596cf0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802efad940
R13: ffffffff81785870 R14: ffffc90004596d80 R15: 0000000000000000
 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1724 [inline]
 slab_free_freelist_hook mm/slub.c:1750 [inline]
 slab_free mm/slub.c:3661 [inline]
 kmem_cache_free+0x292/0x510 mm/slub.c:3683
 __merge_or_add_vmap_area mm/vmalloc.c:1165 [inline]
 merge_or_add_vmap_area mm/vmalloc.c:1215 [inline]
 free_vmap_area_noflush+0x3c4/0x9c0 mm/vmalloc.c:1831
 free_unmap_vmap_area mm/vmalloc.c:1850 [inline]
 remove_vm_area+0x1ac/0x1d0 mm/vmalloc.c:2609
 vm_remove_mappings mm/vmalloc.c:2638 [inline]
 __vunmap+0x348/0x9a0 mm/vmalloc.c:2703
 bpf_check+0xf6fe/0x16120 kernel/bpf/verifier.c:15722
 bpf_prog_load+0x12df/0x1bb0 kernel/bpf/syscall.c:2646
 __sys_bpf+0x382/0x6c0 kernel/bpf/syscall.c:5020
 __do_sys_bpf kernel/bpf/syscall.c:5124 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5122 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5122
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fdf1517fed9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdf1605b058 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fdf15345fa0 RCX: 00007fdf1517fed9
RDX: 0000000000000080 RSI: 0000000020000340 RDI: 0000000000000005
RBP: 00007fdf151f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fdf15345fa0 R15: 00007ffe358be898
 </TASK>