rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (5232 ticks this GP) idle=ff84/1/0x4000000000000000 softirq=8441/8442 fqs=1
	(t=10501 jiffies g=6557 q=773 ncpus=2)
rcu: rcu_preempt kthread starved for 10483 jiffies! g6557 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:26752 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: 3828 Comm: syz.3.35 Not tainted 6.1.112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:check_preemption_disabled+0x4d/0x110 lib/smp_processor_id.c:55
Code: 71 ab 5b 75 a9 ff ff ff 7f 74 22 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 0f 85 c7 00 00 00 89 d8 48 83 c4 10 5b 41 5c 41 5e <41> 5f c3 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00
RSP: 0018:ffffc90000005c10 EFLAGS: 00000082
RAX: 0000000000000000 RBX: ffffc90000005c80 RCX: ffffffff816b3d32
RDX: dffffc0000000000 RSI: ffffffff8b0c14c0 RDI: ffffffff8b5d7180
RBP: ffffc90000005d68 R08: dffffc0000000000 R09: fffffbfff223ba46
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000000b8c
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000046
FS:  00007f887c3266c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f887c304f98 CR3: 000000005b6a0000 CR4: 00000000003506f0
DR0: 0000000000000082 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
 lock_acquire+0x208/0x5a0 kernel/locking/lockdep.c:5664
 seqcount_lockdep_reader_access+0xf8/0x220 include/linux/seqlock.h:102
 ktime_get+0x31/0x270 kernel/time/timekeeping.c:846
 hrtimer_forward_now include/linux/hrtimer.h:508 [inline]
 perf_swevent_hrtimer+0x43b/0x4f0 kernel/events/core.c:10881
 __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:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:memset_erms+0xb/0x10 arch/x86/lib/memset_64.S:65
Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01
RSP: 0018:ffffc90000006438 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffffffff1ebcb33 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90000006580
RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffc90000006570
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000006520
R13: ffffffff8f5e599e R14: ffffc90000006555 R15: ffffc90000006570
 unwind_next_frame+0xde7/0x2220 arch/x86/kernel/unwind_orc.c:546
 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_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+0x25c/0x3c0 mm/slub.c:3674
 skb_free_head net/core/skbuff.c:762 [inline]
 skb_release_data+0x5de/0x7a0 net/core/skbuff.c:791
 skb_release_all net/core/skbuff.c:856 [inline]
 __kfree_skb net/core/skbuff.c:870 [inline]
 consume_skb+0xa3/0x140 net/core/skbuff.c:1035
 __dev_kfree_skb_any+0x159/0x180 net/core/dev.c:3179
 free_old_xmit_skbs+0x122/0x2c0 drivers/net/virtio_net.c:1609
 start_xmit+0x180/0x16e0 drivers/net/virtio_net.c:1871
 __netdev_start_xmit include/linux/netdevice.h:4853 [inline]
 netdev_start_xmit include/linux/netdevice.h:4867 [inline]
 xmit_one net/core/dev.c:3627 [inline]
 dev_hard_start_xmit+0x261/0x8c0 net/core/dev.c:3643
 sch_direct_xmit+0x2b2/0x5e0 net/sched/sch_generic.c:342
 __dev_xmit_skb net/core/dev.c:3854 [inline]
 __dev_queue_xmit+0x1ace/0x3cf0 net/core/dev.c:4259
 NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
 arp_process+0x139b/0x1ea0 net/ipv4/arp.c:851
 NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
 __netif_receive_skb_list_ptype net/core/dev.c:5576 [inline]
 __netif_receive_skb_list_core+0x818/0x890 net/core/dev.c:5619
 __netif_receive_skb_list net/core/dev.c:5671 [inline]
 netif_receive_skb_list_internal+0xa0d/0xe20 net/core/dev.c:5762
 gro_normal_list include/net/gro.h:433 [inline]
 gro_normal_one include/net/gro.h:446 [inline]
 napi_skb_finish net/core/gro.c:628 [inline]
 napi_gro_receive+0x4be/0xb60 net/core/gro.c:658
 receive_buf+0x2571/0x5640 drivers/net/virtio_net.c:1297
 virtnet_receive drivers/net/virtio_net.c:1562 [inline]
 virtnet_poll+0x6d5/0x1450 drivers/net/virtio_net.c:1680
 __napi_poll+0xc7/0x470 net/core/dev.c:6537
 napi_poll net/core/dev.c:6604 [inline]
 net_rx_action+0x70f/0xeb0 net/core/dev.c:6718
 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
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:preempt_schedule_irq+0xf2/0x1c0 kernel/sched/core.c:6870
Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 97 00 00 00 bf 01 00 00 00 e8 e9 22 af f6 e8 14 1f e2 f6 fb bf 01 00 00 00 <e8> 79 b4 ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 d9 de 32 f7 48
RSP: 0018:ffffc90005367520 EFLAGS: 00010282
RAX: 1ed952b4d0770b00 RBX: 1ffff92000a6ceac RCX: ffffffff97334103
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: 0000000000000001
RBP: ffffc900053675d0 R08: ffffffff90142000 R09: ffffffff90142008
R10: ffffffff90142018 R11: ffffffff90142010 R12: 1ffff92000a6cea4
R13: 1ffff92000a6cea8 R14: ffffc90005367540 R15: dffffc0000000000
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x77/0x290 mm/kasan/generic.c:189
Code: 03 49 bb 01 00 00 00 00 fc ff df 4f 8d 34 1a 4c 89 f5 4c 29 cd 48 83 fd 10 7f 26 48 85 ed 0f 84 3a 01 00 00 49 f7 d2 49 01 da <41> 80 39 00 0f 85 c4 01 00 00 49 ff c1 49 ff c2 75 ee e9 1d 01 00
RSP: 0018:ffffc90005367698 EFLAGS: 00000282
RAX: ffffffff81eb3901 RBX: 1ffff92000a6cee4 RCX: ffffffff81eb3956
RDX: 0000000000000001 RSI: 0000000000000080 RDI: ffffc90005367720
RBP: 0000000000000010 R08: dffffc0000000000 R09: fffff52000a6ceeb
R10: fffffffffffffff7 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000a6cee0 R14: fffff52000a6cef4 R15: dffffc0000000000
 memset+0x1f/0x40 mm/kasan/shadow.c:44
 save_stack+0x86/0x1e0 mm/page_owner.c:111
 __reset_page_owner+0x52/0x1a0 mm/page_owner.c:148
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1444 [inline]
 free_pcp_prepare mm/page_alloc.c:1494 [inline]
 free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3464
 free_slab mm/slub.c:2031 [inline]
 discard_slab mm/slub.c:2037 [inline]
 __unfreeze_partials+0x1b7/0x210 mm/slub.c:2586
 put_cpu_partial+0x17b/0x250 mm/slub.c:2662
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x156/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x1f/0x70 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc_lru+0x10c/0x2d0 mm/slub.c:3429
 __d_alloc+0x31/0x710 fs/dcache.c:1774
 d_alloc_pseudo+0x19/0x70 fs/dcache.c:1904
 alloc_file_pseudo+0x131/0x2f0 fs/file_table.c:265
 __anon_inode_getfile fs/anon_inodes.c:109 [inline]
 anon_inode_getfile+0xc4/0x180 fs/anon_inodes.c:147
 __do_sys_perf_event_open kernel/events/core.c:12553 [inline]
 __se_sys_perf_event_open+0x1168/0x4960 kernel/events/core.c:12327
 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: 0033:0x7f887b57dff9
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:00007f887c326038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f887b735f80 RCX: 00007f887b57dff9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f887b5f0296 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f887b735f80 R15: 00007ffc842ecc48
 </TASK>
CPU: 1 PID: 3832 Comm: syz.0.38 Not tainted 6.1.112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ip6_dst_alloc net/ipv6/route.c:350 [inline]
RIP: 0010:icmp6_dst_alloc+0x112/0x470 net/ipv6/route.c:3269
Code: 00 74 08 48 89 df e8 2d a7 7c f8 48 89 5c 24 28 4c 89 3b 48 8b 44 24 08 48 8d 98 e8 0a 00 00 48 89 d8 48 c1 e8 03 80 3c 28 00 <74> 08 48 89 df e8 84 a6 7c f8 48 8b 1b 48 8d 7b 14 be 04 00 00 00
RSP: 0018:ffffc900001e0838 EFLAGS: 00000246
RAX: 1ffff110052be15d RBX: ffff8880295f0ae8 RCX: 0000000000000000
RDX: 0000000000000078 RSI: 0000000000000000 RDI: ffff88802505ec30
RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffff88802505ebb8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802505eb40
R13: dffffc0000000000 R14: ffff88805cce6000 R15: ffff88802505ec10
FS:  00007f1798f076c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 000000007422a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__schedule+0x0/0x4570 kernel/sched/core.c:6439
Code: 2a 34 8e 5b 41 5c 41 5d 41 5e 41 5f 5d e9 18 07 02 00 e8 c3 a7 db f6 48 89 df 48 c7 c6 00 31 ee 8b e8 b4 6c 1b f7 0f 0b cc cc <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 80 01
RSP: 0018:ffffc900051fe7d8 EFLAGS: 00010282
RAX: 11db4002643ea900 RBX: ffff88802635bb80 RCX: ffffffff97334103
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: 0000000000000001
RBP: ffffc900051fe890 R08: dffffc0000000000 R09: ffffed1004c6b771
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000a3fcfc
R13: 1ffff92000a3fd00 R14: ffffc900051fe800 R15: dffffc0000000000
 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__kernel_text_address+0x0/0x40 kernel/extable.c:78
Code: 00 cb 99 8e 80 e1 07 80 c1 03 38 c1 7c c7 48 c7 c7 00 cb 99 8e e8 30 a0 86 00 eb b9 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <53> 48 89 fb e8 37 00 00 00 85 c0 0f 95 c0 48 c7 c1 00 30 db 8f 48
RSP: 0018:ffffc900051fe958 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900051fe9c8 RCX: 0000000080000000
RDX: dffffc0000000000 RSI: ffffc900051f8000 RDI: ffffffff81786ba3
RBP: ffffc900051fea10 R08: ffffc900051fea10 R09: ffffc900051fe9d0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802635bb80
R13: ffffffff81786c50 R14: dffffc0000000000 R15: 1ffff92000a3fd39
 unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:323
 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 save_stack+0xf6/0x1e0 mm/page_owner.c:127
 __reset_page_owner+0x52/0x1a0 mm/page_owner.c:148
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1444 [inline]
 free_pcp_prepare mm/page_alloc.c:1494 [inline]
 free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3464
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x156/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x1f/0x70 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 __kmem_cache_alloc_node+0x137/0x260 mm/slub.c:3437
 __do_kmalloc_node mm/slab_common.c:935 [inline]
 __kmalloc_node_track_caller+0xa0/0x220 mm/slab_common.c:956
 __do_krealloc mm/slab_common.c:1329 [inline]
 krealloc+0x61/0xf0 mm/slab_common.c:1362
 push_jmp_history kernel/bpf/verifier.c:2473 [inline]
 is_state_visited kernel/bpf/verifier.c:12331 [inline]
 do_check kernel/bpf/verifier.c:12471 [inline]
 do_check_common+0x3492/0xca90 kernel/bpf/verifier.c:14953
 do_check_main kernel/bpf/verifier.c:15016 [inline]
 bpf_check+0x65a2/0x16140 kernel/bpf/verifier.c:15593
 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: 0033:0x7f179817dff9
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:00007f1798f07038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f1798335f80 RCX: 00007f179817dff9
RDX: 0000000000000094 RSI: 0000000020000300 RDI: 0000000000000005
RBP: 00007f17981f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1798335f80 R15: 00007ffd4ad02818
 </TASK>