rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2655 jiffies s: 13097 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 12820 Comm: syz-executor.5 Not tainted 6.5.0-rc2-next-20230720-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x8/0x20 kernel/kcov.c:310
Code: 00 00 f3 0f 1e fa 48 8b 0c 24 89 f2 89 fe bf 05 00 00 00 e9 9a fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 8b 0c 24 <48> 89 f2 48 89 fe bf 07 00 00 00 e9 78 fe ff ff 0f 1f 84 00 00 00
RSP: 0018:ffffc90000007bb8 EFLAGS: 00000206
RAX: 0000000000000000 RBX: ffffc90016f2fb50 RCX: ffffffff885b4d06
RDX: ffff88802b81bb80 RSI: 0000000000000000 RDI: 00028f5c28f5c28e
RBP: ffff88802d7c0300 R08: 0000000000000007 R09: 0019999999999998
R10: 0000000000000000 R11: 0000000057ef2ccd R12: 00028f5c28f5c28e
R13: 0000000000000000 R14: 00000000112e0be8 R15: 0000000000000000
FS:  00007f7c01f3e6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020210030 CR3: 000000006abc7000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 pie_calculate_probability+0x236/0x850 net/sched/sch_pie.c:345
 fq_pie_timer+0x1da/0x4f0 net/sched/sch_fq_pie.c:387
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x764/0xb10 kernel/time/timer.c:2022
 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:lock_acquire+0x74/0x510 kernel/locking/lockdep.c:5729
Code: 24 18 30 bf 29 8c 48 c7 44 24 20 d0 cd 67 81 c7 00 f1 f1 f1 f1 c7 40 04 f1 f1 00 00 c7 40 08 00 00 00 f3 c7 40 0c f3 f3 f3 f3 <65> 48 8b 04 25 28 00 00 00 48 89 84 24 a8 00 00 00 31 c0 0f 1f 44
RSP: 0018:ffffc90004faf498 EFLAGS: 00000286
RAX: fffff520009f5e95 RBX: 1ffff920009f5e95 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880b9836e00
RBP: 0000000000036e00 R08: 0000000000000001 R09: 0000000000000000
R10: ffffea00018f2037 R11: 00000000000720a8 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8880b9836e00 R15: 0000000000000000
 local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
 folio_add_lru+0x2ae/0x7d0 mm/swap.c:515
 folio_add_lru_vma+0xae/0xf0 mm/swap.c:537
 wp_page_copy mm/memory.c:3163 [inline]
 do_wp_page+0x15f3/0x3060 mm/memory.c:3451
 handle_pte_fault mm/memory.c:4968 [inline]
 __handle_mm_fault+0x1d26/0x40b0 mm/memory.c:5092
 handle_mm_fault+0x47a/0xa00 mm/memory.c:5257
 do_user_addr_fault+0x3ad/0xfe0 arch/x86/mm/fault.c:1393
 handle_page_fault arch/x86/mm/fault.c:1487 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1543
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:__put_user_nocheck_4+0xb/0x20 arch/x86/lib/putuser.S:101
Code: 0f 1e fa 48 89 cb 48 c1 fb 3f 48 09 d9 0f 01 cb 89 01 31 c9 0f 01 ca c3 0f 1f 80 00 00 00 00 f3 0f 1e fa f3 0f 1e fa 0f 01 cb <89> 01 31 c9 0f 01 ca c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3
RSP: 0018:ffffc90004faf9f8 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000020210030
RDX: 0000000000040000 RSI: ffffffff881ff67a RDI: 0000000000000005
RBP: ffffc90004fafdb0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000020210000 R14: ffffc90004fafdf4 R15: 0000000000000002
 ____sys_recvmsg+0x2f5/0x5c0 net/socket.c:2726
 ___sys_recvmsg+0x115/0x1a0 net/socket.c:2755
 do_recvmmsg+0x2af/0x740 net/socket.c:2849
 __sys_recvmmsg net/socket.c:2928 [inline]
 __do_sys_recvmmsg net/socket.c:2951 [inline]
 __se_sys_recvmmsg net/socket.c:2944 [inline]
 __x64_sys_recvmmsg+0x235/0x290 net/socket.c:2944
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7c0127cb29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7c01f3e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f7c0139bf80 RCX: 00007f7c0127cb29
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007f7c012c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7c0139bf80 R15: 00007fff7b3759c8
 </TASK>