rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 ticks this GP) idle=de7/1/0x4000000000000000 softirq=10777/10777 fqs=0 
	(detected by 0, t=10502 jiffies, g=12409, q=565)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4907 Comm: syz-executor Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:check_region_inline mm/kasan/generic.c:175 [inline]
RIP: 0010:kasan_check_range+0x1d/0x290 mm/kasan/generic.c:189
Code: 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 00 <48> 89 fd 48 c1 ed 2f 81 fd ff ff 01 00 0f 82 46 02 00 00 48 89 fb
RSP: 0018:ffffc90000dd0a38 EFLAGS: 00000082
RAX: 0000000000000001 RBX: 0000000000000015 RCX: ffffffff8162e2df
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9098a100
RBP: ffffffff9098a108 R08: dffffc0000000000 R09: fffffbfff2131449
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000002
R13: ffff888023a06428 R14: ffff888023a05940 R15: ffff888023a064a0
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 000000005c0f5000 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]
 hlock_class kernel/locking/lockdep.c:197 [inline]
 __lock_acquire+0xfaf/0x1ff0 kernel/locking/lockdep.c:5008
 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:363 [inline]
 advance_sched+0x47/0x940 net/sched/sch_taprio.c:716
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x598/0xcf0 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:2059
Code: 01 00 74 0a 48 8d 7c 24 60 e8 b0 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 17 41 fb ff 48 89 d8 48 c1 e8 03 48 b9
RSP: 0018:ffffc9000330f2c0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: ffff888017685080 RCX: 1ffff92000661e64
RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: ffffffff8af9f340
RBP: ffffc9000330f3b8 R08: dffffc0000000000 R09: fffffbfff2131421
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000246
R13: ffffea0001ba4ff8 R14: ffff888017684000 R15: ffff888017684670
 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
 exit_mm+0x688/0x7f0 kernel/exit.c:550
 do_exit+0x626/0x2480 kernel/exit.c:861
 do_group_exit+0x144/0x310 kernel/exit.c:996
 get_signal+0xc66/0x14e0 kernel/signal.c:2900
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f22b68f30d3
Code: Unable to access opcode bytes at RIP 0x7f22b68f30a9.
RSP: 002b:00007ffc1cbf0458 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 0000000000001332 RCX: 00007f22b68f30d3
RDX: 0000000040000000 RSI: 00007ffc1cbf046c RDI: 00000000ffffffff
RBP: 00007ffc1cbf046c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1cbf04f0
R13: 00007ffc1cbf04f8 R14: 0000000000000009 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g12409 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=3063
rcu: rcu_preempt kthread starved for 10502 jiffies! g12409 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:27064 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
 schedule+0x11b/0x1f0 kernel/sched/core.c:6456
 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: 4907 Comm: syz-executor Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:memset_erms+0x0/0x10 arch/x86/lib/memset_64.S:61
Code: 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 <49> 89 f9 40 88 f0 48 89 d1 f3 aa 4c 89 c8 c3 90 49 89 fa 40 0f b6
RSP: 0018:ffffc90000dd0cb8 EFLAGS: 00000002
RAX: ffffffff8438c001 RBX: 1ffff110171e547a RCX: ffffffff8438c02c
RDX: 0000000000000018 RSI: 0000000000000000 RDI: ffff88807116a340
RBP: 1ffff1100e22d468 R08: dffffc0000000000 R09: ffffed100e22d46b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b8f2a3d0
R13: ffff8880b8f2a3d0 R14: 0000000000000000 R15: ffff88807116a340
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 000000005c0f5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 rb_link_node include/linux/rbtree.h:63 [inline]
 rb_add_cached include/linux/rbtree.h:182 [inline]
 timerqueue_add+0x1fc/0x280 lib/timerqueue.c:40
 enqueue_hrtimer+0x1a0/0x390 kernel/time/hrtimer.c:1092
 __run_hrtimer kernel/time/hrtimer.c:1705 [inline]
 __hrtimer_run_queues+0x6b6/0xcf0 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:2059
Code: 01 00 74 0a 48 8d 7c 24 60 e8 b0 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 17 41 fb ff 48 89 d8 48 c1 e8 03 48 b9
RSP: 0018:ffffc9000330f2c0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: ffff888017685080 RCX: 1ffff92000661e64
RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: ffffffff8af9f340
RBP: ffffc9000330f3b8 R08: dffffc0000000000 R09: fffffbfff2131421
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000246
R13: ffffea0001ba4ff8 R14: ffff888017684000 R15: ffff888017684670
 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
 exit_mm+0x688/0x7f0 kernel/exit.c:550
 do_exit+0x626/0x2480 kernel/exit.c:861
 do_group_exit+0x144/0x310 kernel/exit.c:996
 get_signal+0xc66/0x14e0 kernel/signal.c:2900
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f22b68f30d3
Code: Unable to access opcode bytes at RIP 0x7f22b68f30a9.
RSP: 002b:00007ffc1cbf0458 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 0000000000001332 RCX: 00007f22b68f30d3
RDX: 0000000040000000 RSI: 00007ffc1cbf046c RDI: 00000000ffffffff
RBP: 00007ffc1cbf046c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1cbf04f0
R13: 00007ffc1cbf04f8 R14: 0000000000000009 R15: 0000000000000000
 </TASK>