rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=fbe4/1/0x4000000000000000 softirq=64093/64093 fqs=0
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5096/1:b..l
	(detected by 1, t=10502 jiffies, g=97233, q=39 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18435 Comm: syz-executor.3 Not tainted 6.2.0-rc4-syzkaller-00041-gc1649ec55708 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:121 [inline]
RIP: 0010:lock_acquire+0xfc/0x400 kernel/locking/lockdep.c:5644
Code: 65 8b 05 d7 e6 95 7e 85 c0 0f 85 8b 01 00 00 65 48 8b 1c 25 40 98 03 00 48 81 c3 34 0a 00 00 48 89 d8 48 c1 e8 03 42 8a 04 20 <84> c0 0f 85 ba 02 00 00 83 3b 00 0f 85 5f 01 00 00 44 89 7c 24 24
RSP: 0018:ffffc90000007b00 EFLAGS: 00000803
RAX: 1ffff11004dd0c00 RBX: ffff888026e861f4 RCX: 0000000080010003
RDX: 0000000000000000 RSI: ffffffff8b0dab60 RDI: ffffffff8b697880
RBP: ffffc90000007c58 R08: dffffc0000000000 R09: fffffbfff1d6094e
R10: fffffbfff1d6094e R11: 1ffffffff1d6094d R12: dffffc0000000000
R13: 1ffff92000000f68 R14: ffff888020574300 R15: 0000000000000000
FS:  00007f29fd80c700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f26a43a8000 CR3: 000000007bc96000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:350 [inline]
 advance_sched+0x49/0x8c0 net/sched/sch_taprio.c:700
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x50b/0xa60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 f2 1b 15 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> e7 ea 90 f6 65 8b 05 08 2d 34 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc90004d57920 EFLAGS: 00000206
RAX: 641b2957e7c62000 RBX: 1ffff920009aaf28 RCX: ffffffff816cfb6a
RDX: dffffc0000000000 RSI: ffffffff8b0d99e0 RDI: 0000000000000001
RBP: ffffc90004d579b0 R08: dffffc0000000000 R09: fffffbfff212e631
R10: fffffbfff212e631 R11: 1ffffffff212e630 R12: dffffc0000000000
R13: 1ffff920009aaf24 R14: ffffc90004d57940 R15: 0000000000000246
 clock_was_set+0x172/0x900 kernel/time/hrtimer.c:970
 timekeeping_inject_offset+0xa4e/0xae0 kernel/time/timekeeping.c:1395
 do_adjtimex+0x4bb/0xb00 kernel/time/timekeeping.c:2444
 do_clock_adjtime kernel/time/posix-timers.c:1118 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1130 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1121 [inline]
 __x64_sys_clock_adjtime+0x1ec/0x2a0 kernel/time/posix-timers.c:1121
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f29fca8c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f29fd80c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f29fcbabf80 RCX: 00007f29fca8c0c9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f29fcae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1a1f118f R14: 00007f29fd80c300 R15: 0000000000022000
 </TASK>
task:syz-executor.1  state:R  running task     stack:21592 pid:5096  ppid:5080   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0x9d1/0xe40 kernel/sched/core.c:6606
 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6918
 irqentry_exit+0x53/0x80 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_release+0x5d5/0x870 kernel/locking/lockdep.c:5692
Code: 3c 23 00 74 08 4c 89 f7 e8 88 c9 77 00 f6 84 24 91 00 00 00 02 75 68 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 4b c7 44 3c 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc90003e6f200 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920007cde52 RCX: ffffc90003e6f203
RDX: 0000000000000002 RSI: ffffffff8b0dab60 RDI: ffffffff8b697880
RBP: ffffc90003e6f330 R08: dffffc0000000000 R09: fffffbfff1d6094e
R10: fffffbfff1d6094e R11: 1ffffffff1d6094d R12: dffffc0000000000
R13: 0000000000000246 R14: ffffc90003e6f290 R15: 1ffff920007cde4c
 rcu_read_unlock include/linux/rcupdate.h:797 [inline]
 xa_load+0x3e4/0x460 lib/xarray.c:1467
 list_lru_from_memcg_idx mm/list_lru.c:56 [inline]
 list_lru_count_one+0xfc/0x260 mm/list_lru.c:185
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x17e/0x280 fs/super.c:147
 do_shrink_slab+0x7e/0xa00 mm/vmscan.c:790
 shrink_slab_memcg+0x2ec/0x630 mm/vmscan.c:912
 shrink_slab+0xbe/0x340 mm/vmscan.c:991
 shrink_node_memcgs+0x3bf/0x780 mm/vmscan.c:6140
 shrink_node+0x299/0x1050 mm/vmscan.c:6169
 shrink_zones+0x4fb/0xc40 mm/vmscan.c:6407
 do_try_to_free_pages+0x215/0xcd0 mm/vmscan.c:6469
 try_to_free_mem_cgroup_pages+0x3d7/0x6e0 mm/vmscan.c:6786
 reclaim_high+0x1f7/0x280 mm/memcontrol.c:2394
 mem_cgroup_handle_over_high+0x145/0x2b0 mm/memcontrol.c:2580
 resume_user_mode_work include/linux/resume_user_mode.h:58 [inline]
 exit_to_user_mode_loop+0xa9/0x160 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x2e/0x60 kernel/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f022ae8bc38
RSP: 002b:00007fff6d2e6c30 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
RAX: 0000000000000003 RBX: 0000000000000455 RCX: 00007f022ae8bc38
RDX: 0000000000090800 RSI: 00007fff6d2e7e20 RDI: 00000000ffffff9c
RBP: 00007fff6d2e7dfc R08: 0000000000090800 R09: 00007fff6d2e7e20
R10: 0000000000000000 R11: 0000000000000287 R12: 00007f022aee6b24
R13: 00007fff6d2e7e20 R14: 000000000000000a R15: 00007fff6d2e7e60
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g97233 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=173337
rcu: rcu_preempt kthread starved for 10502 jiffies! g97233 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:25720 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0x9d1/0xe40 kernel/sched/core.c:6606
 schedule+0xcb/0x190 kernel/sched/core.c:6682
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x309/0x1070 kernel/rcu/tree.c:1656
 rcu_gp_kthread+0xa5/0x390 kernel/rcu/tree.c:1855
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18435 Comm: syz-executor.3 Not tainted 6.2.0-rc4-syzkaller-00041-gc1649ec55708 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:mark_lock+0x103/0x350 kernel/locking/lockdep.c:4653
Code: c3 50 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 4f 8b 77 00 41 bc 01 00 00 00 44 85 33 74 56 44 89 e0 48 83 c4 10 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4d 2b d3 02 85 c0 74 ad 48 c7
RSP: 0018:ffffc900000079f0 EFLAGS: 00000086
RAX: 0000000000000001 RBX: ffffffff906d7110 RCX: ffffffff816cfb6a
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff909732a0
RBP: 0000000000000008 R08: dffffc0000000000 R09: fffffbfff212e655
R10: fffffbfff212e655 R11: 1ffffffff212e654 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000100 R15: ffff888026e86220
FS:  00007f29fd80c700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f26a43a8000 CR3: 000000007bc96000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 mark_usage kernel/locking/lockdep.c:4555 [inline]
 __lock_acquire+0xc7d/0x1f60 kernel/locking/lockdep.c:5009
 lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5668
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:350 [inline]
 advance_sched+0x49/0x8c0 net/sched/sch_taprio.c:700
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x50b/0xa60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 f2 1b 15 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> e7 ea 90 f6 65 8b 05 08 2d 34 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc90004d57920 EFLAGS: 00000206
RAX: 641b2957e7c62000 RBX: 1ffff920009aaf28 RCX: ffffffff816cfb6a
RDX: dffffc0000000000 RSI: ffffffff8b0d99e0 RDI: 0000000000000001
RBP: ffffc90004d579b0 R08: dffffc0000000000 R09: fffffbfff212e631
R10: fffffbfff212e631 R11: 1ffffffff212e630 R12: dffffc0000000000
R13: 1ffff920009aaf24 R14: ffffc90004d57940 R15: 0000000000000246
 clock_was_set+0x172/0x900 kernel/time/hrtimer.c:970
 timekeeping_inject_offset+0xa4e/0xae0 kernel/time/timekeeping.c:1395
 do_adjtimex+0x4bb/0xb00 kernel/time/timekeeping.c:2444
 do_clock_adjtime kernel/time/posix-timers.c:1118 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1130 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1121 [inline]
 __x64_sys_clock_adjtime+0x1ec/0x2a0 kernel/time/posix-timers.c:1121
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f29fca8c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f29fd80c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f29fcbabf80 RCX: 00007f29fca8c0c9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f29fcae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1a1f118f R14: 00007f29fd80c300 R15: 0000000000022000
 </TASK>