rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (3 ticks this GP) idle=883/1/0x4000000000000000 softirq=18045/18045 fqs=0 
	(t=12658 jiffies g=21881 q=657)
rcu: rcu_preempt kthread timer wakeup didn't happen for 12657 jiffies! g21881 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=10463
rcu: rcu_preempt kthread starved for 12658 jiffies! g21881 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
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:I stack:26168 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 4317 Comm: syz-executor Not tainted 5.15.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487
 print_cpu_stall+0x31b/0x600 kernel/rcu/tree_stall.h:631
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: 21 80 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 3e d2 3a f7 48 89 df e8 16 26 3c f7 e8 51 de 5e f7 fb bf 01 00 00 00 <e8> 56 6c 2f f7 65 8b 05 57 72 da 75 85 c0 74 02 5b c3 e8 24 8f d8
RSP: 0018:ffffc90002e37868 EFLAGS: 00000286
RAX: 23a7154bf8601e00 RBX: ffff8880616bf348 RCX: ffffffff913f0f03
RDX: dffffc0000000000 RSI: ffffffff8a8b2a00 RDI: 0000000000000001
RBP: ffff8880616bf340 R08: ffffffff8186dbe0 R09: ffffed100c2d7e6a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea000188f400
R13: 00fff00000080017 R14: ffffea000188f408 R15: ffffea000188f400
 spin_unlock_irq include/linux/spinlock.h:413 [inline]
 delete_from_page_cache+0x12e/0x190 mm/filemap.c:267
 truncate_inode_page+0x8d/0xb0 mm/truncate.c:219
 shmem_undo_range+0x535/0x1b50 mm/shmem.c:960
 shmem_truncate_range mm/shmem.c:1063 [inline]
 shmem_evict_inode+0x21b/0xa00 mm/shmem.c:1145
 evict+0x2a4/0x620 fs/inode.c:587
 __dentry_kill+0x436/0x650 fs/dcache.c:582
 dentry_kill+0xbb/0x290
 dput+0xd8/0x1a0 fs/dcache.c:889
 __fput+0x5ec/0x890 fs/file_table.c:288
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3b124147db
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007fff784b5900 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f3b124147db
RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003
RBP: 00007fff784b59ac R08: 0000000000000000 R09: 00007fff784b56a7
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff784b5a20
R13: 0000555555bd45eb R14: 0000555555bd4590 R15: 000000000002f451
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 5.15.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:rcu_is_watching+0x40/0xa0 kernel/rcu/tree.c:1123
Code: 73 72 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd 00 18 36 8c 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 30 17 5f 00 <48> c7 c3 08 b3 03 00 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38
RSP: 0018:ffffc90000007b40 EFLAGS: 00000046
RAX: 1ffffffff186c300 RBX: 0000000000000000 RCX: ffffffff8162d038
RDX: 0000000000000000 RSI: ffffffff8ad8f660 RDI: ffffffff8ad8f620
RBP: ffffc90000007ca0 R08: dffffc0000000000 R09: fffffbfff1bc8e76
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000000f78
R13: ffffffff886c847b R14: ffffffff8c361800 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020008f40 CR3: 000000000c68e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0xb9/0x9a0 kernel/locking/lockdep.c:5634
 __raw_spin_unlock include/linux/spinlock_api_smp.h:150 [inline]
 _raw_spin_unlock+0x12/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:403 [inline]
 advance_sched+0x68b/0x940 net/sched/sch_taprio.c:765
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:sk_const_to_full_sk include/net/inet_sock.h:293 [inline]
RIP: 0010:xfrm_lookup_with_ifid+0x16d/0x2420 net/xfrm/xfrm_policy.c:3047
Code: 00 c7 84 24 f0 00 00 00 00 00 00 00 4d 85 f6 74 6b 49 8d 5e 12 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 0f 85 7c 1d 00 00 0f b6 1b bf 0c 00 00 00 89 de e8 cc 56 93
RSP: 0018:ffffc90000d36860 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffff888022500c12 RCX: dffffc0000000000
RDX: ffffc90000d36940 RSI: 0000000000000000 RDI: ffffc90000d36930
RBP: ffffc90000d369b0 R08: dffffc0000000000 R09: ffffc90000d36920
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000002
R13: dffffc0000000000 R14: ffff888022500c00 R15: ffffc90000d36950
 xfrm_lookup net/xfrm/xfrm_policy.c:3192 [inline]
 xfrm_lookup_route+0x38/0x1a0 net/xfrm/xfrm_policy.c:3203
 ip_route_output_ports include/net/route.h:169 [inline]
 __ip_queue_xmit+0x88e/0x1ce0 net/ipv4/ip_output.c:488
 __tcp_transmit_skb+0x1f39/0x3810 net/ipv4/tcp_output.c:1402
 tcp_ack_snd_check net/ipv4/tcp_input.c:5582 [inline]
 tcp_rcv_established+0xf01/0x1e20 net/ipv4/tcp_input.c:6007
 tcp_v4_do_rcv+0x423/0x960 net/ipv4/tcp_ipv4.c:1733
 tcp_v4_rcv+0x2740/0x2d80 net/ipv4/tcp_ipv4.c:2145
 ip_protocol_deliver_rcu+0x381/0x730 net/ipv4/ip_input.c:204
 ip_local_deliver_finish+0x1db/0x320 net/ipv4/ip_input.c:231
 NF_HOOK+0x364/0x410 include/linux/netfilter.h:302
 dst_input include/net/dst.h:453 [inline]
 ip_sublist_rcv_finish net/ipv4/ip_input.c:577 [inline]
 ip_list_rcv_finish net/ipv4/ip_input.c:628 [inline]
 ip_sublist_rcv+0xb0f/0xe50 net/ipv4/ip_input.c:636
 ip_list_rcv+0x422/0x470 net/ipv4/ip_input.c:671
 __netif_receive_skb_list_ptype net/core/dev.c:5528 [inline]
 __netif_receive_skb_list_core+0x6b1/0x890 net/core/dev.c:5576
 __netif_receive_skb_list net/core/dev.c:5628 [inline]
 netif_receive_skb_list_internal+0x9ed/0xdf0 net/core/dev.c:5719
 gro_normal_list net/core/dev.c:5873 [inline]
 napi_complete_done+0x352/0x820 net/core/dev.c:6611
 virtqueue_napi_complete drivers/net/virtio_net.c:357 [inline]
 virtnet_poll+0xbef/0x1270 drivers/net/virtio_net.c:1592
 __napi_poll+0xc7/0x440 net/core/dev.c:7035
 napi_poll net/core/dev.c:7102 [inline]
 net_rx_action+0x617/0xda0 net/core/dev.c:7192
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 run_ksoftirqd+0xc6/0x120 kernel/softirq.c:925
 smpboot_thread_fn+0x51b/0x9d0 kernel/smpboot.c:164
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 4317 Comm: syz-executor Not tainted 5.15.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349
 print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: 21 80 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 3e d2 3a f7 48 89 df e8 16 26 3c f7 e8 51 de 5e f7 fb bf 01 00 00 00 <e8> 56 6c 2f f7 65 8b 05 57 72 da 75 85 c0 74 02 5b c3 e8 24 8f d8
RSP: 0018:ffffc90002e37868 EFLAGS: 00000286
RAX: 23a7154bf8601e00 RBX: ffff8880616bf348 RCX: ffffffff913f0f03
RDX: dffffc0000000000 RSI: ffffffff8a8b2a00 RDI: 0000000000000001
RBP: ffff8880616bf340 R08: ffffffff8186dbe0 R09: ffffed100c2d7e6a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea000188f400
R13: 00fff00000080017 R14: ffffea000188f408 R15: ffffea000188f400
 spin_unlock_irq include/linux/spinlock.h:413 [inline]
 delete_from_page_cache+0x12e/0x190 mm/filemap.c:267
 truncate_inode_page+0x8d/0xb0 mm/truncate.c:219
 shmem_undo_range+0x535/0x1b50 mm/shmem.c:960
 shmem_truncate_range mm/shmem.c:1063 [inline]
 shmem_evict_inode+0x21b/0xa00 mm/shmem.c:1145
 evict+0x2a4/0x620 fs/inode.c:587
 __dentry_kill+0x436/0x650 fs/dcache.c:582
 dentry_kill+0xbb/0x290
 dput+0xd8/0x1a0 fs/dcache.c:889
 __fput+0x5ec/0x890 fs/file_table.c:288
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3b124147db
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007fff784b5900 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f3b124147db
RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003
RBP: 00007fff784b59ac R08: 0000000000000000 R09: 00007fff784b56a7
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff784b5a20
R13: 0000555555bd45eb R14: 0000555555bd4590 R15: 000000000002f451
 </TASK>