rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P156/3:b..l P16/3:b..l P9190/1:b..l P8198/3:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=31457, q=166 ncpus=2)
task:syz-executor    state:R  running task     stack:21632 pid:8198  tgid:8198  ppid:1      task_flags:0x40054c flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x16dc/0x5500 kernel/sched/core.c:7234
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7556
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:65 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:141 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:172 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:191 [inline]
RIP: 0010:kasan_check_range+0x67/0x2c0 mm/kasan/generic.c:200
Code: 00 ff 4c 39 cf 0f 82 14 02 00 00 49 89 ff 49 c1 ef 03 49 ba 00 00 00 00 00 fc ff df 4f 8d 1c 17 49 ff c8 4d 89 c1 49 c1 e9 03 <48> bb 01 00 00 00 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83
RSP: 0018:ffffc9001d55f318 EFLAGS: 00000a07
RAX: ffffffff8235b901 RBX: 0000000000000001 RCX: ffffffff8235b9c8
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88801d0df8dc
RBP: ffff88801d0df890 R08: ffff88801d0df8df R09: 1ffff11003a1bf1b
R10: dffffc0000000000 R11: ffffed1003a1bf1b R12: 0000000000000000
R13: 0000000000000001 R14: ffff88801d0df8d8 R15: 1ffff11003a1bf1b
 instrument_atomic_read_write include/linux/instrumented.h:112 [inline]
 atomic_dec_return include/linux/atomic/atomic-instrumented.h:610 [inline]
 page_table_check_clear+0x298/0x500 mm/page_table_check.c:86
 ptep_get_and_clear_full arch/x86/include/asm/jump_label.h:-1 [inline]
 get_and_clear_full_ptes include/linux/pgtable.h:879 [inline]
 zap_present_folio_ptes mm/memory.c:1648 [inline]
 zap_present_ptes mm/memory.c:1730 [inline]
 do_zap_pte_range mm/memory.c:1832 [inline]
 zap_pte_range mm/memory.c:1934 [inline]
 zap_pmd_range mm/memory.c:2020 [inline]
 zap_pud_range mm/memory.c:2048 [inline]
 zap_p4d_range mm/memory.c:2069 [inline]
 __zap_vma_range+0x3490/0x49e0 mm/memory.c:2109
 unmap_vmas+0x390/0x550 mm/memory.c:2178
 exit_mmap+0x293/0x9f0 mm/mmap.c:1300
 __mmput+0xcb/0x3d0 kernel/fork.c:1187
 exit_mm+0x186/0x240 kernel/exit.c:615
 do_exit+0x6cd/0x2360 kernel/exit.c:997
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1152
 get_signal+0x121b/0x12c0 kernel/signal.c:3046
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x104/0x730 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9c5639cf47
RSP: 002b:00007ffcb22cb528 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9c5639cf47
RDX: 00007ffcb22cb550 RSI: 00007ffcb22cb5e0 RDI: 00007ffcb22cb5e0
RBP: 00007ffcb22cb5e0 R08: 00007ffcb22cc5e0 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffcb22cc670
R13: 00007f9c564332ca R14: 00000000000593ad R15: 00007ffcb22cc6b0
 </TASK>
task:syz-executor    state:R  running task     stack:23792 pid:9190  tgid:9190  ppid:5591   task_flags:0x440000 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x16dc/0x5500 kernel/sched/core.c:7234