rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P23011/1:b..l
rcu: 	(detected by 0, t=10504 jiffies, g=194809, q=1504 ncpus=2)
task:syz.2.4719      state:R  running task     stack:25248 pid:23011 tgid:23009 ppid:16502  task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7513
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x14f/0x8b0 kernel/entry/common.c:164
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x221/0x350 kernel/locking/lockdep.c:5872
Code: ff ff ff e8 01 ce 05 0a f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 db 58 96 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 c0 c3 08 0a cc 48 8d 3d e8 ee 91
RSP: 0018:ffffc9000578ea98 EFLAGS: 00000282
RAX: 13e1fdfb81b1ad00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 00000000cdac3f13 RSI: ffffffff8e217351 RDI: ffffffff8c28b9e0
RBP: ffffffff8176e256 R08: ffffffff8176e256 R09: ffffffff8e95cd20
R10: ffffc9000578ebf8 R11: ffffffff81b0e210 R12: 0000000000000002
R13: ffffffff8e95cd20 R14: 0000000000000000 R15: 0000000000000246
 rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 rcu_read_lock include/linux/rcupdate.h:838 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1181 [inline]
 unwind_next_frame+0xc3/0x2550 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 save_stack+0x122/0x230 mm/page_owner.c:165
 __set_page_owner+0x8d/0x4c0 mm/page_owner.c:341
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x22d/0x280 mm/page_alloc.c:1853
 prep_new_page mm/page_alloc.c:1861 [inline]
 get_page_from_freelist+0x2593/0x2610 mm/page_alloc.c:3941
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5221
 alloc_pages_mpol+0x235/0x490 mm/mempolicy.c:2490
 folio_alloc_mpol_noprof+0x39/0x160 mm/mempolicy.c:2509
 vma_alloc_folio_noprof+0xe1/0x1e0 mm/mempolicy.c:2544
 folio_prealloc mm/memory.c:-1 [inline]
 wp_page_copy mm/memory.c:3875 [inline]
 do_wp_page+0x118a/0x4cc0 mm/memory.c:4336
 handle_pte_fault mm/memory.c:6443 [inline]
 __handle_mm_fault mm/memory.c:6565 [inline]
 handle_mm_fault+0x1698/0x3170 mm/memory.c:6734
 do_user_addr_fault+0x75b/0x1340 arch/x86/mm/fault.c:1385
 handle_page_fault arch/x86/mm/fault.c:1474 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1527
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0010:__put_user_nocheck_4+0x3/0x10 arch/x86/lib/putuser.S:104
Code: d9 0f 01 cb 89 01 31 c9 0f 01 ca c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 01 cb <89> 01 31 c9 0f 01 ca e9 91 84 03 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000578f8b8 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000020000020d030
RDX: ffff88807b239f00 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc9000578fa30 R08: ffffc9000578f687 R09: 1ffff92000af1ed0
R10: dffffc0000000000 R11: fffff52000af1ed1 R12: 1ffff92000af1f24
R13: 0000000000000002 R14: 000020000020d000 R15: dffffc0000000000
 ____sys_recvmsg+0x2be/0x4a0 net/socket.c:2931
 ___sys_recvmsg+0x215/0x590 net/socket.c:2960
 do_recvmmsg+0x334/0x800 net/socket.c:3055
 __sys_recvmmsg net/socket.c:3129 [inline]
 __do_sys_recvmmsg net/socket.c:3152 [inline]
 __se_sys_recvmmsg net/socket.c:3145 [inline]
 __x64_sys_recvmmsg+0x198/0x250 net/socket.c:3145
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd8a979ce59
RSP: 002b:00007fd8a79cd028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fd8a9a16090 RCX: 00007fd8a979ce59
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007fd8a9832d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd8a9a16128 R14: 00007fd8a9a16090 R15: 00007fd8a9b3fa48
 </TASK>