rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (2 ticks this GP) idle=c26c/1/0x4000000000000000 softirq=15399/15399 fqs=0
	(t=15876 jiffies g=16113 q=835 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 15875 jiffies! g16113 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=8515
rcu: rcu_preempt kthread starved for 15876 jiffies! g16113 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:26712 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x142d/0x4550 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:308
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4111 Comm: syz-executor Not tainted 6.1.97-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:do_raw_spin_lock+0xd/0x370 kernel/locking/spinlock_debug.c:113
Code: 76 00 e9 67 ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 7c 95 48 89 df e8 62 52 76 00 eb 8b 55 48 89 e5 41 57 41 56 41 55 41 54 53 <48> 83 e4 e0 48 81 ec a0 00 00 00 49 89 fc 65 48 8b 04 25 28 00 00
RSP: 0018:ffffc900001e0c08 EFLAGS: 00000092
RAX: 56b3f0839c95f100 RBX: 1ffff9200003c18c RCX: ffffffff816b20d2
RDX: dffffc0000000000 RSI: ffffffff8aec13c0 RDI: ffffffff91f797c0
RBP: ffffc900001e0c30 R08: dffffc0000000000 R09: fffffbfff2093845
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000046
R13: 1ffff9200003c188 R14: ffffffff91f797c0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc848500060 CR3: 000000006096f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0xdd/0x120 kernel/locking/spinlock.c:162
 debug_object_deactivate+0x63/0x380 lib/debugobjects.c:752
 debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline]
 debug_deactivate+0x1d/0x280 kernel/time/hrtimer.c:481
 __run_hrtimer kernel/time/hrtimer.c:1654 [inline]
 __hrtimer_run_queues+0x334/0xe50 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 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+0x8c/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:sched_clock_cpu+0x0/0x2b0 kernel/sched/clock.c:364
Code: 0c 0d 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 a0 37 ff 8c 48 89 de e8 6e 89 fc 02 e9 43 ff ff ff 66 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec a0 00
RSP: 0018:ffffc90003c07600 EFLAGS: 00000293
RAX: ffffffff81eb1f49 RBX: ffffea0001e35e00 RCX: ffff88802760bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffea0001e35e18 R08: dffffc0000000000 R09: fffff940003c6bc7
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
 local_clock include/linux/sched/clock.h:84 [inline]
 __reset_page_owner+0x25/0x1a0 mm/page_owner.c:142
 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:3362
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3457
 __vunmap+0x834/0x9a0 mm/vmalloc.c:2717
 kcov_put kernel/kcov.c:428 [inline]
 kcov_close+0x27/0x50 kernel/kcov.c:524
 __fput+0x3b7/0x890 fs/file_table.c:320
 task_work_run+0x246/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa73/0x26a0 kernel/exit.c:869
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 get_signal+0x16f7/0x17d0 kernel/signal.c:2862
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f338e9746bc
Code: Unable to access opcode bytes at 0x7f338e974692.
RSP: 002b:00007fff0f067310 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000003 RCX: 00007f338e9746bc
RDX: 0000000000000028 RSI: 00007fff0f067400 RDI: 00000000000000f9
RBP: 00007fff0f06738c R08: 0000000000000000 R09: 0079746972756365
R10: 00007fff0f066cd0 R11: 0000000000000246 R12: 00007fff0f067400
R13: 0000000000000000 R14: 000000000002767b R15: 000000000002767b
 </TASK>
CPU: 0 PID: 5442 Comm: syz.3.546 Not tainted 6.1.97-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:csd_lock_wait kernel/smp.c:424 [inline]
RIP: 0010:smp_call_function_many_cond+0x1fb0/0x3460 kernel/smp.c:998
Code: 2f 44 89 ee 83 e6 01 31 ff e8 2c 43 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 0a e8 b7 3f 0b 00 e9 1b ff ff ff f3 90 <42> 0f b6 04 2b 84 c0 75 14 41 f7 07 01 00 00 00 0f 84 fe fe ff ff
RSP: 0018:ffffc9000ba4f440 EFLAGS: 00000293
RAX: ffffffff817f547b RBX: 1ffff110173281b1 RCX: ffff88807d069dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000ba4f820 R08: ffffffff817f5444 R09: fffffbfff2093845
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000800000000
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880b9940d88
FS:  0000555556c27500(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7bf44d0ab8 CR3: 0000000065a07000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1166
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1334 [inline]
 text_poke_bp_batch+0x2bb/0x940 arch/x86/kernel/alternative.c:1534
 text_poke_bp+0xc8/0x140 arch/x86/kernel/alternative.c:1771
 __static_call_transform+0x333/0x560 arch/x86/kernel/static_call.c:109
 arch_static_call_transform+0xcc/0x270 arch/x86/kernel/static_call.c:161
 __static_call_update+0xd4/0x5c0 kernel/static_call_inline.c:136
 tracepoint_update_call kernel/tracepoint.c:317 [inline]
 tracepoint_remove_func kernel/tracepoint.c:419 [inline]
 tracepoint_probe_unregister+0x76f/0x980 kernel/tracepoint.c:551
 bpf_raw_tp_link_release+0x5f/0x80 kernel/bpf/syscall.c:3175
 bpf_link_free kernel/bpf/syscall.c:2749 [inline]
 bpf_link_put+0x234/0x2c0 kernel/bpf/syscall.c:2775
 bpf_link_release+0x37/0x40 kernel/bpf/syscall.c:2784
 __fput+0x3b7/0x890 fs/file_table.c:320
 task_work_run+0x246/0x300 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7efdc6575bd9
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:00007ffed4856ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000249ff RCX: 00007efdc6575bd9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: ffffffffffffffff R08: 0000000000000001 R09: 00000015d4856dff
R10: 00007efdc6200000 R11: 0000000000000246 R12: 00007efdc6703f6c
R13: 0000000000000032 R14: 00007efdc6705a60 R15: 00007efdc6703f60
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4111 Comm: syz-executor Not tainted 6.1.97-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:timerqueue_del+0x1/0xf0 lib/timerqueue.c:54
Code: e8 54 6c ff ff 89 d8 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 5e 37 05 f7 0f 0b e9 dc fd ff ff 0f 1f 80 00 00 00 00 55 <41> 57 41 56 41 55 41 54 53 49 89 f5 49 89 fe 48 bd 00 00 00 00 00
RSP: 0018:ffffc900001e0d50 EFLAGS: 00000002
RAX: 0000000000010001 RBX: 0000000000000001 RCX: ffff88802760bb80
RDX: ffff88802760bb80 RSI: ffff88805fac6340 RDI: ffff8880b992a610
RBP: ffffc900001e0eb0 R08: ffffffff8179bfda R09: fffffbfff1ce7016
R10: 0000000000000000 R11: dffffc0000000001 R12: 17e044e5e6aa8df6
R13: ffff8880b992a4c0 R14: ffff8880b992a4c0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc848500060 CR3: 000000006096f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __remove_hrtimer kernel/time/hrtimer.c:1117 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1666 [inline]
 __hrtimer_run_queues+0x409/0xe50 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 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+0x8c/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:sched_clock_cpu+0x0/0x2b0 kernel/sched/clock.c:364
Code: 0c 0d 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 a0 37 ff 8c 48 89 de e8 6e 89 fc 02 e9 43 ff ff ff 66 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec a0 00
RSP: 0018:ffffc90003c07600 EFLAGS: 00000293
RAX: ffffffff81eb1f49 RBX: ffffea0001e35e00 RCX: ffff88802760bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffea0001e35e18 R08: dffffc0000000000 R09: fffff940003c6bc7
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
 local_clock include/linux/sched/clock.h:84 [inline]
 __reset_page_owner+0x25/0x1a0 mm/page_owner.c:142
 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:3362
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3457
 __vunmap+0x834/0x9a0 mm/vmalloc.c:2717
 kcov_put kernel/kcov.c:428 [inline]
 kcov_close+0x27/0x50 kernel/kcov.c:524
 __fput+0x3b7/0x890 fs/file_table.c:320
 task_work_run+0x246/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa73/0x26a0 kernel/exit.c:869
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 get_signal+0x16f7/0x17d0 kernel/signal.c:2862
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f338e9746bc
Code: Unable to access opcode bytes at 0x7f338e974692.
RSP: 002b:00007fff0f067310 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000003 RCX: 00007f338e9746bc
RDX: 0000000000000028 RSI: 00007fff0f067400 RDI: 00000000000000f9
RBP: 00007fff0f06738c R08: 0000000000000000 R09: 0079746972756365
R10: 00007fff0f066cd0 R11: 0000000000000246 R12: 00007fff0f067400
R13: 0000000000000000 R14: 000000000002767b R15: 000000000002767b
 </TASK>