rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=11869 jiffies, g=13437, q=1235)
rcu: All QSes seen, last rcu_preempt kthread activity 11860 (4294962196-4294950336), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 11860 jiffies! g13437 f0x2 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:27000 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5029 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6375
 schedule+0x11b/0x1f0 kernel/sched/core.c:6458
 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:287
 </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: 5278 Comm: dhcpcd-run-hook Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:kasan_check_range+0x6/0x290 mm/kasan/generic.c:188
Code: e8 df 12 76 08 31 c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc 55 41 57 41 56 53 <b0> 01 48 85 f6 0f 84 9a 01 00 00 48 89 fd 48 01 f5 0f 82 59 02 00
RSP: 0018:ffffc90000dd0b58 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81630798
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e0a9fa8
RBP: ffffc90000dd0cb0 R08: ffffffff843904b4 R09: fffffbfff1c153f6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001ba17c
R13: ffffffff816f9c9c R14: ffffc90000dd0ce0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc54b2275e8 CR3: 000000001ff09000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 cpumask_test_cpu include/linux/cpumask.h:344 [inline]
 cpu_online include/linux/cpumask.h:895 [inline]
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0xa8/0x9a0 kernel/locking/lockdep.c:5634
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:158 [inline]
 _raw_spin_unlock_irqrestore+0x75/0x130 kernel/locking/spinlock.c:194
 __run_hrtimer kernel/time/hrtimer.c:1684 [inline]
 __hrtimer_run_queues+0x48c/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:instrument_atomic_read include/linux/instrumented.h:71 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
RIP: 0010:lock_page_memcg+0x2cc/0x4d0 mm/memcontrol.c:2064
Code: 01 00 74 0a 48 8d 7c 24 60 e8 80 3f fb ff f6 44 24 61 02 0f 85 f9 00 00 00 41 f7 c4 00 02 00 00 74 01 fb 49 8d 9e 80 10 00 00 <48> 89 df be 04 00 00 00 e8 e7 40 fb ff 48 89 d8 48 c1 e8 03 48 b9
RSP: 0018:ffffc90002fbf340 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: ffff888140775080 RCX: 1ffff920005f7e74
RDX: dffffc0000000000 RSI: ffffffff8aab2a60 RDI: ffffffff8af9fa80
RBP: ffffc90002fbf438 R08: dffffc0000000000 R09: fffffbfff2131e19
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000246
R13: ffffea0002ffe9b8 R14: ffff888140774000 R15: ffff888140774670
 page_remove_rmap+0x2a/0x11e0 mm/rmap.c:1351
 zap_pte_range mm/memory.c:1384 [inline]
 zap_pmd_range mm/memory.c:1505 [inline]
 zap_pud_range mm/memory.c:1534 [inline]
 zap_p4d_range mm/memory.c:1555 [inline]
 unmap_page_range+0xffa/0x2630 mm/memory.c:1576
 unmap_vmas+0x1f8/0x390 mm/memory.c:1653
 exit_mmap+0x3b6/0x620 mm/mmap.c:3204
 __mmput+0x112/0x3b0 kernel/fork.c:1127
 exec_mmap+0x543/0x630 fs/exec.c:1035
 begin_new_exec+0x82b/0x11b0 fs/exec.c:1293
 load_elf_binary+0x945/0x2750 fs/binfmt_elf.c:1001
 search_binary_handler fs/exec.c:1742 [inline]
 exec_binprm fs/exec.c:1783 [inline]
 bprm_execve+0x8fd/0x17c0 fs/exec.c:1852
 do_execveat_common+0x583/0x720 fs/exec.c:1957
 do_execve fs/exec.c:2027 [inline]
 __do_sys_execve fs/exec.c:2103 [inline]
 __se_sys_execve fs/exec.c:2098 [inline]
 __x64_sys_execve+0x8e/0xa0 fs/exec.c:2098
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc54b174ef7
Code: Unable to access opcode bytes at RIP 0x7fc54b174ecd.
RSP: 002b:00007ffe5e0759e8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 0000560b84242ec0 RCX: 00007fc54b174ef7
RDX: 0000560b84242f08 RSI: 0000560b84242ec0 RDI: 0000560b84242f98
RBP: 0000560b84242f98 R08: 0000560b84242f9d R09: 00007ffe5e07ae6a
R10: 00007fc54b36d088 R11: 0000000000000246 R12: 0000560b84242f08
R13: 00007fc54b322904 R14: 0000560b84242f08 R15: 0000000000000000
 </TASK>