rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P26128/1:b..l rcu: (detected by 0, t=10502 jiffies, g=290865, q=1843 ncpus=1) task:syz-executor state:R running task stack:23896 pid:26128 tgid:26128 ppid:26125 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5298 [inline] __schedule+0xfee/0x6120 kernel/sched/core.c:6911 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7238 irqentry_exit+0x17b/0x670 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:lock_acquire+0x5e/0x380 kernel/locking/lockdep.c:5872 Code: 05 bb 02 29 12 83 f8 07 0f 87 f0 00 00 00 48 0f a3 05 86 62 f5 0e 0f 82 c2 02 00 00 8b 35 4e 96 f5 0e 85 f6 0f 85 dd 00 00 00 <48> 8b 44 24 30 65 48 2b 05 5d 02 29 12 0f 85 02 03 00 00 48 83 c4 RSP: 0018:ffffc900045ff2b8 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8de59aee RDI: ffffffff8c1b09a0 RBP: ffffffff8e7e74e0 R08: 000000006e15818f R09: 0000000000000007 R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:312 [inline] rcu_read_lock include/linux/rcupdate.h:850 [inline] class_rcu_constructor include/linux/rcupdate.h:1193 [inline] is_module_text_address+0x33/0x220 kernel/module/main.c:3857 kernel_text_address kernel/extable.c:119 [inline] kernel_text_address+0x81/0x100 kernel/extable.c:94 __kernel_text_address+0xd/0x30 kernel/extable.c:79 unwind_get_return_address+0x59/0xa0 arch/x86/kernel/unwind_orc.c:385 arch_stack_walk+0xa6/0xf0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x162/0x1e0 mm/page_owner.c:165 __reset_page_owner+0x84/0x190 mm/page_owner.c:320 reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1433 [inline] free_unref_folios+0xaea/0x1790 mm/page_alloc.c:3040 folios_put_refs+0x53c/0x840 mm/swap.c:1002 folio_batch_release include/linux/pagevec.h:101 [inline] shmem_undo_range+0x5e5/0x1570 mm/shmem.c:1149 shmem_truncate_range mm/shmem.c:1277 [inline] shmem_evict_inode+0x39e/0xbd0 mm/shmem.c:1407 evict+0x3c2/0xad0 fs/inode.c:846 iput_final fs/inode.c:1966 [inline] iput.part.0+0x605/0xf50 fs/inode.c:2015 iput+0x35/0x40 fs/inode.c:1981 filename_unlinkat+0x466/0x730 fs/namei.c:5544 __do_sys_unlink fs/namei.c:5575 [inline] __se_sys_unlink fs/namei.c:5572 [inline] __x64_sys_unlink+0x46/0x70 fs/namei.c:5572 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f919379b887 RSP: 002b:00007ffd58049348 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f919379b887 RDX: 00007ffd58049370 RSI: 00007ffd58049400 RDI: 00007ffd58049400 RBP: 00007ffd58049400 R08: 00007ffd5804a400 R09: 00000000ffffffff R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffd5804a490 R13: 00007f9193832050 R14: 000000000019ec95 R15: 00007ffd5804a4d0