rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1):
 P8977/1:b..l
 P8998/1:b..l

rcu: 	(detected by 0, t=10502 jiffies, g=48425, q=651 ncpus=2)
task:dhcpcd-run-hook state:R
  running task     stack:26528 pid:8998  tgid:8998  ppid:4747   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7067
 irqentry_exit+0x36/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x111/0x1a0 mm/kasan/generic.c:189
Code: 44 89 c2 e8 e1 ea ff ff 83 f0 01 5b 5d 41 5c c3 cc cc cc cc 48 85 d2 74 4f 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 41 80 38 00 <74> f2 eb b2 41 bc 08 00 00 00 45 29 dc 49 8d 14 2c eb 0c 48 83 c0
RSP: 0018:ffffc900033cf5c0 EFLAGS: 00000202

RAX: fffffbfff29dbb08 RBX: fffffbfff29dbb09 RCX: ffffffff8ad53209
RDX: fffffbfff29dbb09 RSI: 0000000000000004 RDI: ffffffff94edd840
RBP: fffffbfff29dbb08 R08: 0000000000000001 R09: fffffbfff29dbb08
R10: ffffffff94edd843 R11: 0000000000000001 R12: 000000000000000a
R13: ffff88805b8564d8 R14: 0000000000000300 R15: 0000000000000000
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 atomic_inc include/linux/atomic/atomic-instrumented.h:435 [inline]
 mt_validate_nulls+0x5e9/0x9e0 lib/maple_tree.c:7550
 mt_validate+0x3148/0x4390 lib/maple_tree.c:7599
 validate_mm+0x9c/0x4b0 mm/mmap.c:288
 do_vmi_align_munmap+0x14b4/0x19c0 mm/mmap.c:2688
 do_vmi_munmap+0x231/0x410 mm/mmap.c:2759
 mmap_region+0x17f/0x2760 mm/mmap.c:2810
 do_mmap+0xbc7/0xf60 mm/mmap.c:1397
 vm_mmap_pgoff+0x1ba/0x360 mm/util.c:573
 ksys_mmap_pgoff+0x332/0x5d0 mm/mmap.c:1443
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f24ac85fb74
RSP: 002b:00007ffc8a8895d8 EFLAGS: 00000246
 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffc8a889688 RCX: 00007f24ac85fb74
RDX: 0000000000000003 RSI: 0000000000006000 RDI: 00007f24ac766000
RBP: 00007ffc8a889d70 R08: 0000000000000003 R09: 000000000019d000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007f24ac83c5c0
R13: 00007ffc8a889df8 R14: 000000000019d264 R15: 0000000000000000
 </TASK>
task:syz-executor.2  state:R  running task    
 stack:23520 pid:8977  tgid:8975  ppid:8382   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7067
 irqentry_exit+0x36/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_release+0x3ba/0x6c0 kernel/locking/lockdep.c:5762
Code: 7e 83 f8 01 0f 85 f5 01 00 00 9c 58 f6 c4 02 0f 85 e0 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c5 48 c7 45 00 00 00 00 00 c7 45 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc90004a0f6e8 EFLAGS: 00000206

RAX: dffffc0000000000 RBX: 856fcac407a10a04 RCX: ffffc90004a0f738
RDX: 1ffff1100c31415a RSI: ffffffff8b2cb260 RDI: ffffffff8b9001c0
RBP: 1ffff92000941edf R08: 0000000000000000 R09: fffffbfff1fc8d1a
R10: ffffffff8fe468d7 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000002 R14: ffff8880618a0ad8 R15: ffff8880618a0000
 rcu_lock_release include/linux/rcupdate.h:339 [inline]
 rcu_read_unlock include/linux/rcupdate.h:812 [inline]
 count_memcg_event_mm.part.0+0x131/0x340 include/linux/memcontrol.h:1078
 count_memcg_event_mm include/linux/memcontrol.h:580 [inline]
 mm_account_fault mm/memory.c:5557 [inline]
 handle_mm_fault+0x1b8/0xa00 mm/memory.c:5704
 do_user_addr_fault+0x2e5/0xe50 arch/x86/mm/fault.c:1389
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x4a/0x70 arch/x86/lib/copy_user_64.S:71
Code: 75 f1 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 <f3> a4 c3 cc cc cc cc 48 89 c8 48 c1 e9 03 83 e0 07 f3 48 a5 89 c1
RSP: 0018:ffffc90004a0f958 EFLAGS: 00050206

RAX: 0000000000000001 RBX: 0000000000001000 RCX: 0000000000000e80
RDX: 0000000000000000 RSI: ffff888012e75180 RDI: 0000000020756000
RBP: 0000000000001000 R08: 0000000000000000 R09: ffffed10025cebff
R10: ffff888012e75fff R11: 0000000000000000 R12: 0000000000755b80
R13: ffffc90004a0fd50 R14: ffff888012e75000 R15: 0000000020755e80
 copy_user_generic arch/x86/include/asm/uaccess_64.h:110 [inline]
 raw_copy_to_user arch/x86/include/asm/uaccess_64.h:131 [inline]
 copy_to_user_iter lib/iov_iter.c:25 [inline]
 iterate_iovec include/linux/iov_iter.h:51 [inline]
 iterate_and_advance2 include/linux/iov_iter.h:247 [inline]
 iterate_and_advance include/linux/iov_iter.h:271 [inline]
 _copy_to_iter+0x4d2/0x1140 lib/iov_iter.c:185
 copy_page_to_iter lib/iov_iter.c:362 [inline]
 copy_page_to_iter+0xf1/0x180 lib/iov_iter.c:349
 process_vm_rw_pages mm/process_vm_access.c:45 [inline]
 process_vm_rw_single_vec mm/process_vm_access.c:118 [inline]
 process_vm_rw_core.constprop.0+0x5c9/0xa10 mm/process_vm_access.c:216
 process_vm_rw+0x301/0x360 mm/process_vm_access.c:284
 __do_sys_process_vm_readv mm/process_vm_access.c:296 [inline]
 __se_sys_process_vm_readv mm/process_vm_access.c:292 [inline]
 __x64_sys_process_vm_readv+0xe2/0x1c0 mm/process_vm_access.c:292
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fab4aa7cf69
RSP: 002b:00007fab4b8bf0c8 EFLAGS: 00000246
 ORIG_RAX: 0000000000000136
RAX: ffffffffffffffda RBX: 00007fab4abb3f80 RCX: 00007fab4aa7cf69
RDX: 0000000000000002 RSI: 0000000020008400 RDI: 0000000000000029
RBP: 00007fab4aada6fe R08: 0000000000000286 R09: 0000000000000000
R10: 0000000020008640 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fab4abb3f80 R15: 00007fff817d80c8
 </TASK>
rcu: rcu_preempt kthread starved for 9705 jiffies! g48425 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:26336 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2202
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 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: 0 PID: 0 Comm: swapper/0 Not tainted 6.10.0-rc2-syzkaller-00269-g96e09b8f8166 #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+0x1a/0x20 drivers/acpi/processor_idle.c:113
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 65 48 8b 05 c8 c3 1b 75 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 58 2b b3 00 fb f4 <fa> c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffffff8d807d70 EFLAGS: 00000246

RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8ae7f899
RDX: 0000000000000001 RSI: ffff888019a8b000 RDI: ffff888019a8b064
RBP: ffff888019a8b064 R08: 0000000000000001 R09: ffffed1017246fe5
R10: ffff8880b9237f2b R11: 0000000000000000 R12: ffff8880197a8800
R13: ffffffff8e7447a0 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea77c66f78 CR3: 000000000d97a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:707
 cpuidle_enter_state+0x85/0x500 drivers/cpuidle/cpuidle.c:267
 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
 cpuidle_idle_call kernel/sched/idle.c:236 [inline]
 do_idle+0x313/0x3f0 kernel/sched/idle.c:332
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430
 rest_init+0x16b/0x2b0 init/main.c:747
 start_kernel+0x3df/0x4c0 init/main.c:1103
 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507
 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488
 common_startup_64+0x13e/0x148
 </TASK>