rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5084/1:b..l P13840/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=80893, q=308 ncpus=2)
task:syz-executor.3  state:R  running task     stack:23768 pid:13840 tgid:13838 ppid:11579  flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5192 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6851
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:rcu_lock_release include/linux/rcupdate.h:339 [inline]
RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:812 [inline]
RIP: 0010:class_rcu_destructor include/linux/rcupdate.h:1093 [inline]
RIP: 0010:sched_mm_cid_remote_clear_old kernel/sched/core.c:10138 [inline]
RIP: 0010:task_mm_cid_work+0x4c6/0x790 kernel/sched/core.c:10198
Code: 74 28 80 3d 0d 61 30 0e 00 75 1f c6 05 04 61 30 0e 01 48 c7 c7 40 6d ca 8b be 2b 03 00 00 48 c7 c2 e0 6d ca 8b e8 0a 60 0b 00 <48> c7 c7 20 3f 33 8e 48 8b 74 24 10 e8 29 25 0b 00 e8 84 c9 15 00
RSP: 0018:ffffc9000ad47ac0 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffff8880b953f218 RCX: ffff888059583c00
RDX: dffffc0000000000 RSI: ffffffff8c1ffb60 RDI: ffffffff8c1ffb20
RBP: ffffc9000ad47b90 R08: ffffffff92fb4587 R09: 1ffffffff25f68b0
R10: dffffc0000000000 R11: fffffbfff25f68b1 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff888059581e00 R15: ffffe8ffff907f80
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 get_signal+0x15e6/0x1740 kernel/signal.c:2681
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3e5d87cee9
RSP: 002b:00007f3e5e5390c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: 0000000000ee0000 RBX: 00007f3e5d9b3fa0 RCX: 00007f3e5d87cee9
RDX: 00000000fffffdef RSI: 00000000200001c0 RDI: 0000000000000000
RBP: 00007f3e5d8c947f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f3e5d9b3fa0 R15: 00007ffec57a5148
 </TASK>
task:syz-fuzzer      state:R  running task     stack:21688 pid:5084  tgid:5080  ppid:5078   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5192 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6851
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:stack_trace_consume_entry+0x59/0x280 kernel/stacktrace.c:89
Code: 84 c0 0f 85 06 01 00 00 44 8b 43 10 48 8d 6b 08 49 89 ec 49 c1 ec 03 41 0f b6 04 14 84 c0 0f 85 1a 01 00 00 44 3b 45 00 73 3c <48> 8d 7b 0c 49 89 fd 49 c1 ed 03 41 0f b6 44 15 00 84 c0 0f 85 36
RSP: 0018:ffffc900034bf590 EFLAGS: 00000283
RAX: 0000000000000000 RBX: ffffc900034bf6c0 RCX: ffff88801baf9e00
RDX: dffffc0000000000 RSI: ffffffff81d0b528 RDI: ffffc900034bf6c0
RBP: ffffc900034bf6c8 R08: 0000000000000001 R09: ffffc900034bf6d0
R10: 0000000000000003 R11: ffffffff8181ecd0 R12: 1ffff92000697ed9
R13: ffffffff8181ecd0 R14: ffffc900034bf6c0 R15: 1ffff92000697eda
 arch_stack_walk+0x143/0x1b0 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 save_stack+0xfb/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x75/0x3f0 mm/page_owner.c:297
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1088 [inline]
 free_unref_page+0xd22/0xea0 mm/page_alloc.c:2601
 __folio_put+0x2c8/0x440 mm/swap.c:128
 pipe_buf_release include/linux/pipe_fs_i.h:219 [inline]
 pipe_update_tail fs/pipe.c:224 [inline]
 pipe_read+0x6f2/0x13e0 fs/pipe.c:344
 new_sync_read fs/read_write.c:395 [inline]
 vfs_read+0x9c4/0xbd0 fs/read_write.c:476
 ksys_read+0x1a0/0x2c0 fs/read_write.c:619
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x40720e
RSP: 002b:000000c0008b3d80 EFLAGS: 00000216 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 000000000040720e
RDX: 0000000000010000 RSI: 000000c001c30000 RDI: 0000000000000017
RBP: 000000c0008b3dc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 000000c000083e10
R13: 1111ef01111efef1 R14: 000000c000092b60 R15: 00000000000000e9
 </TASK>
rcu: rcu_preempt kthread starved for 10433 jiffies! g80893 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R  running task     stack:26008 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5192 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.10.0-rc1-next-20240528-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:113
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 00 d5 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 45 82 9f 00 f3 0f 1e fa fb f4 <fa> c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffc900001a7d08 EFLAGS: 00000246
RAX: ffff888017ae8000 RBX: ffff88801bee9064 RCX: 0000000000489711
RDX: 0000000000000001 RSI: ffff88801bee9000 RDI: ffff88801bee9064
RBP: 000000000003a5b8 R08: ffff8880b9537d0b R09: 1ffff110172a6fa1
R10: dffffc0000000000 R11: ffffffff8b8a08d0 R12: ffff88801ab34800
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8eacfca0
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557edbf938 CR3: 000000005816c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:707
 cpuidle_enter_state+0x112/0x480 drivers/cpuidle/cpuidle.c:267
 cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:388
 call_cpuidle kernel/sched/idle.c:155 [inline]
 cpuidle_idle_call kernel/sched/idle.c:236 [inline]
 do_idle+0x375/0x5d0 kernel/sched/idle.c:332
 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:430
 start_secondary+0x100/0x100 arch/x86/kernel/smpboot.c:313
 common_startup_64+0x13e/0x147
 </TASK>