rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 ticks this GP) idle=04f4/1/0x4000000000000000 softirq=96146/96146 fqs=0
	(detected by 0, t=10502 jiffies, g=151481, q=200 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 645 Comm: syz-executor.1 Not tainted 6.1.81-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:debug_lockdep_rcu_enabled+0x0/0x30 kernel/rcu/update.c:279
Code: 9d 16 ea 03 00 75 e7 48 c7 c7 e0 eb eb 8a 48 c7 c6 00 10 ec 8a e8 20 fe c8 f6 0f 0b eb d0 cc cc cc cc cc cc cc cc cc cc cc cc <31> c0 83 3d d7 e2 e9 03 00 74 1d 83 3d 62 16 ea 03 00 74 14 65 48
RSP: 0018:ffffc900001e0cb8 EFLAGS: 00000046
RAX: 8290686d08f7a000 RBX: 1ffff11003cbe159 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc900001e0c40
RBP: ffff8880291dd2e8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8880291dd000
R13: ffff8880291dd340 R14: dffffc0000000000 R15: ffff88801e5f0ac8
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000440 CR3: 000000007e377000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 advance_sched+0x4c/0x970 net/sched/sch_taprio.c:701
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x5e5/0xe50 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:memcg_account_kmem+0x1bd/0x200
Code: 00 48 3b 84 24 80 00 00 00 75 3b 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 be b7 9f 08 41 f7 c7 00 02 00 00 75 ad eb ac <49> 81 c4 c0 02 00 00 83 7c 24 1c 00 7e 13 8b 74 24 1c 4c 89 e7 e8
RSP: 0018:ffffc90006ac7c00 EFLAGS: 00000206
RAX: 8290686d08f7a000 RBX: 1ffff92000d58f88 RCX: ffffffff91c8d103
RDX: dffffc0000000000 RSI: ffffffff8aebed40 RDI: ffffc90006ac7c40
RBP: ffffc90006ac7cd0 R08: ffffffff81835645 R09: fffffbfff1ce6bf6
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807ddd6000
R13: dffffc0000000000 R14: 1ffff92000d58f84 R15: 0000000000000246
 obj_cgroup_uncharge_pages mm/memcontrol.c:3074 [inline]
 __memcg_kmem_uncharge_page+0xdb/0x270 mm/memcontrol.c:3148
 memcg_kmem_uncharge_page include/linux/memcontrol.h:1769 [inline]
 exit_task_stack_account+0x19c/0x310 kernel/fork.c:516
 do_exit+0x1c0b/0x26a0 kernel/exit.c:911
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2894c7dda9
Code: Unable to access opcode bytes at 0x7f2894c7dd7f.
RSP: 002b:00007ffdee8216f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f2894c7dda9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 000000000000002d R09: 0000000000000000
R10: 0000001b2c920000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g151481 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=78994
rcu: rcu_preempt kthread starved for 10502 jiffies! g151481 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:26680 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:1935
 rcu_gp_fqs_loop+0x2d2/0x1120 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0xa3/0x3a0 kernel/rcu/tree.c:1905
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:307
 </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: 645 Comm: syz-executor.1 Not tainted 6.1.81-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:check_preemption_disabled+0x4b/0x110 lib/smp_processor_id.c:55
Code: 8b 05 b1 de 78 75 a9 ff ff ff 7f 74 22 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 0f 85 c7 00 00 00 89 d8 48 83 c4 10 5b 41 5c <41> 5e 41 5f c3 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02
RSP: 0018:ffffc900001e0b68 EFLAGS: 00000082
RAX: 0000000000000001 RBX: ffff88801e5f0ad0 RCX: ffffc900001e0c03
RDX: 0000000000000000 RSI: ffffffff8aebfec0 RDI: ffffffff8b3d2a40
RBP: ffffc900001e0cb0 R08: dffffc0000000000 R09: fffffbfff1ce6bf6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200003c17c
R13: 0000000000000046 R14: ffffc900001e0c10 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000440 CR3: 000000007e377000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
 lock_release+0x5cb/0xa20 kernel/locking/lockdep.c:5684
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline]
 _raw_spin_unlock_irqrestore+0x75/0x130 kernel/locking/spinlock.c:194
 __run_hrtimer kernel/time/hrtimer.c:1682 [inline]
 __hrtimer_run_queues+0x4b0/0xe50 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:memcg_account_kmem+0x1bd/0x200
Code: 00 48 3b 84 24 80 00 00 00 75 3b 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 be b7 9f 08 41 f7 c7 00 02 00 00 75 ad eb ac <49> 81 c4 c0 02 00 00 83 7c 24 1c 00 7e 13 8b 74 24 1c 4c 89 e7 e8
RSP: 0018:ffffc90006ac7c00 EFLAGS: 00000206
RAX: 8290686d08f7a000 RBX: 1ffff92000d58f88 RCX: ffffffff91c8d103
RDX: dffffc0000000000 RSI: ffffffff8aebed40 RDI: ffffc90006ac7c40
RBP: ffffc90006ac7cd0 R08: ffffffff81835645 R09: fffffbfff1ce6bf6
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807ddd6000
R13: dffffc0000000000 R14: 1ffff92000d58f84 R15: 0000000000000246
 obj_cgroup_uncharge_pages mm/memcontrol.c:3074 [inline]
 __memcg_kmem_uncharge_page+0xdb/0x270 mm/memcontrol.c:3148
 memcg_kmem_uncharge_page include/linux/memcontrol.h:1769 [inline]
 exit_task_stack_account+0x19c/0x310 kernel/fork.c:516
 do_exit+0x1c0b/0x26a0 kernel/exit.c:911
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2894c7dda9
Code: Unable to access opcode bytes at 0x7f2894c7dd7f.
RSP: 002b:00007ffdee8216f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f2894c7dda9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 000000000000002d R09: 0000000000000000
R10: 0000001b2c920000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>