rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P7059/3:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=13873, q=3771 ncpus=2)
task:syz.0.246       state:R  running task     stack:24992 pid:7059  tgid:7058  ppid:5821   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 89 fb e8 23 00 00 00 48 8b 3d f4 f0 8e 0c 48 89 de 5b e9 93 fc 5a 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 00 d6 03 00 65 8b 15 80 53
RSP: 0018:ffffc90005987118 EFLAGS: 00000246
RAX: 0000000000000002 RBX: 0000000000000003 RCX: 0000000000000004
RDX: ffff88803096bc00 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff81d82bb4 R09: 1ffffd40002442e6
R10: dffffc0000000000 R11: fffff940002442e7 R12: 0000000000000003
R13: dffffc0000000000 R14: ffffffff81d82a6e R15: ffffea0001221734
 arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:107 [inline]
 raw_atomic_try_cmpxchg include/linux/atomic/atomic-arch-fallback.h:2130 [inline]
 raw_atomic_fetch_add_unless include/linux/atomic/atomic-arch-fallback.h:2431 [inline]
 raw_atomic_add_unless include/linux/atomic/atomic-arch-fallback.h:2456 [inline]
 atomic_add_unless include/linux/atomic/atomic-instrumented.h:1518 [inline]
 page_ref_add_unless include/linux/page_ref.h:238 [inline]
 folio_ref_add_unless include/linux/page_ref.h:248 [inline]
 folio_try_get+0x181/0x350 include/linux/page_ref.h:264
 next_uptodate_folio+0xd3/0x5f0 mm/filemap.c:3495
 filemap_map_pages+0x2ea/0x1900 mm/filemap.c:3637
 do_fault_around mm/memory.c:5280 [inline]
 do_read_fault mm/memory.c:5313 [inline]
 do_fault mm/memory.c:5456 [inline]
 do_pte_missing mm/memory.c:3979 [inline]
 handle_pte_fault+0x388a/0x5ed0 mm/memory.c:5801
 __handle_mm_fault mm/memory.c:5944 [inline]
 handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6112
 faultin_page mm/gup.c:1196 [inline]
 __get_user_pages+0x1c82/0x49e0 mm/gup.c:1494
 populate_vma_page_range+0x264/0x330 mm/gup.c:1932
 __mm_populate+0x27a/0x460 mm/gup.c:2035
 mm_populate include/linux/mm.h:3397 [inline]
 vm_mmap_pgoff+0x2c3/0x3d0 mm/util.c:580
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffbd9d85d29
RSP: 002b:00007ffbdac3f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffbd9f75fa0 RCX: 00007ffbd9d85d29
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007ffbd9e01b08 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffbd9f75fa0 R15: 00007fffd326b658
 </TASK>