rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10500 ticks this GP) idle=672c/1/0x4000000000000000 softirq=62688/72850 fqs=0
rcu: 	(t=10501 jiffies g=91981 q=280 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10500 jiffies! g91981 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=52236
rcu: rcu_preempt kthread starved for 10501 jiffies! g91981 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:26256 pid:16    tgid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746
 __schedule_loop kernel/sched/core.c:6823 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6838
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2582
 rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:1663
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1862
 kthread+0x2f2/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
CPU: 0 PID: 16228 Comm: syz-executor.4 Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:srso_alias_safe_ret+0x0/0x7 arch/x86/lib/retpoline.S:171
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <48> 8d 64 24 08 c3 cc e8 f4 ff ff ff 0f 0b cc cc cc cc cc cc cc cc
RSP: 0018:ffffc9000cf47950 EFLAGS: 00000293
RAX: ffffffff818a2abc RBX: 1ffff110172a8869 RCX: ffff888051768000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000cf47b60 R08: ffffffff818a2a8b R09: 1ffffffff25e68a0
R10: dffffc0000000000 R11: fffffbfff25e68a1 R12: dffffc0000000000
R13: ffff8880b9544348 R14: ffff8880b943f7c0 R15: 0000000000000001
FS:  0000555593416480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32422000 CR3: 000000006875a000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 srso_alias_return_thunk+0x5/0xfbef5 arch/x86/lib/retpoline.S:181
 csd_lock_wait kernel/smp.c:311 [inline]
 smp_call_function_many_cond+0x18ac/0x2a00 kernel/smp.c:855
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2086 [inline]
 text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2296
 text_poke_flush arch/x86/kernel/alternative.c:2487 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2494
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_disable_cpuslocked+0xce/0x1c0 kernel/jump_label.c:235
 static_key_disable+0x1a/0x20 kernel/jump_label.c:243
 tracepoint_remove_func kernel/tracepoint.c:417 [inline]
 tracepoint_probe_unregister+0x6f2/0x990 kernel/tracepoint.c:551
 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:3511
 bpf_link_free+0x110/0x2d0 kernel/bpf/syscall.c:3052
 bpf_link_put_direct kernel/bpf/syscall.c:3093 [inline]
 bpf_link_release+0x7b/0x90 kernel/bpf/syscall.c:3100
 __fput+0x42b/0x8a0 fs/file_table.c:422
 __do_sys_close fs/open.c:1556 [inline]
 __se_sys_close fs/open.c:1541 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1541
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f529c67cd9a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffe96802c80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f529c67cd9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007f529c7ad980 R08: 00007f529c600000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000293 R12: 00000000000b2469
R13: 00000000000b2437 R14: 00007ffe96802e40 R15: 00007f529c634cb0
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 16229 Comm: syz-executor.2 Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:lock_acquire+0x2f/0x550 kernel/locking/lockdep.c:5722
Code: 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 20 01 00 00 4c 89 4c 24 28 4c 89 44 24 38 48 89 4c 24 30 89 54 24 1c <41> 89 f6 48 89 7c 24 20 65 48 8b 04 25 28 00 00 00 48 89 84 24 00
RSP: 0018:ffffc90000a08a00 EFLAGS: 00000086
RAX: 0000000000010003 RBX: 1ffff92000141170 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9494c7e8
RBP: ffffc90000a08b48 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f51fb6 R12: 0000000000000046
R13: 1ffff9200014116c R14: ffffffff9494c7d0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30f21000 CR3: 0000000079920000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
 debug_object_activate+0x16d/0x510 lib/debugobjects.c:708
 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline]
 debug_activate kernel/time/hrtimer.c:478 [inline]
 enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1090
 __run_hrtimer kernel/time/hrtimer.c:1709 [inline]
 __hrtimer_run_queues+0x6d5/0xd50 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:srso_alias_return_thunk+0x0/0xfbef5 arch/x86/lib/retpoline.S:181
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8d 64 24 08 c3 cc <e8> f4 ff ff ff 0f 0b cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc
RSP: 0018:ffffc9000e9af530 EFLAGS: 00000293
RAX: ffffffff81e9e951 RBX: ffffea0000af2400 RCX: ffff888029a8bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea0000af2480 R08: ffffffff81e9e8b4 R09: 1ffffd400015e496
R10: dffffc0000000000 R11: fffff9400015e497 R12: 0000000000000000
R13: ffffea0000af2488 R14: ffffea0000af24b0 R15: 0000000000000000
 __folio_remove_rmap mm/rmap.c:1515 [inline]
 folio_remove_rmap_ptes+0x141/0x540 mm/rmap.c:1590
 zap_present_folio_ptes mm/memory.c:1503 [inline]
 zap_present_ptes mm/memory.c:1563 [inline]
 zap_pte_range mm/memory.c:1605 [inline]
 zap_pmd_range mm/memory.c:1722 [inline]
 zap_pud_range mm/memory.c:1751 [inline]
 zap_p4d_range mm/memory.c:1772 [inline]
 unmap_page_range+0x1d4d/0x4820 mm/memory.c:1793
 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1883
 exit_mmap+0x2cb/0xd60 mm/mmap.c:3267
 __mmput+0x115/0x3c0 kernel/fork.c:1346
 exit_mm+0x220/0x310 kernel/exit.c:569
 do_exit+0x99e/0x27e0 kernel/exit.c:865
 do_group_exit+0x207/0x2c0 kernel/exit.c:1027
 __do_sys_exit_group kernel/exit.c:1038 [inline]
 __se_sys_exit_group kernel/exit.c:1036 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8cebe7dea9
Code: Unable to access opcode bytes at 0x7f8cebe7de7f.
RSP: 002b:00007ffd953c6148 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f8cebe7dea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 00007f8cebe00000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>