rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2679 jiffies s: 58829 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3072 Comm: syz-executor.2 Not tainted 6.4.0-syzkaller-01406-ge8f75c0270d9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0xb/0x70 kernel/kcov.c:207
Code: 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 8b 05 9d 18 80 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 40 ba 03 00 a9
RSP: 0018:ffffc900003e8c58 EFLAGS: 00000246
RAX: 0000000000000104 RBX: ffffc9001a9e2700 RCX: 0000000000000100
RDX: 1ffff9200353c4e7 RSI: ffffffff883f5441 RDI: ffffc9001a9e2730
RBP: ffffc9001a9e2738 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000040e69858 R12: 0000000000000000
R13: ffff88807dbfdb00 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f1634a7a700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 00000000ae1ac000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 pie_calculate_probability+0x3ff/0x7c0 net/sched/sch_pie.c:415
 fq_pie_timer+0x1dd/0x4f0 net/sched/sch_fq_pie.c:387
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
 __run_timers kernel/time/timer.c:2022 [inline]
 __run_timers kernel/time/timer.c:1995 [inline]
 run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
 __do_softirq+0x1d4/0x905 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+0x97/0xc0 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:check_preemption_disabled+0x2/0x170 lib/smp_processor_id.c:13
Code: 44 00 00 85 db 74 07 0f 1f 44 00 00 0f 0b 0f 1f 44 00 00 5b e9 6f fb ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 56 <41> 55 49 89 f5 41 54 55 48 89 fd 53 0f 1f 44 00 00 65 44 8b 25 81
RSP: 0018:ffffc900056c7370 EFLAGS: 00000287
RAX: 0000000000000001 RBX: 1ffff92000ad8e75 RCX: ffffffff816520ec
RDX: 0000000000000001 RSI: ffffffff8aa72d60 RDI: ffffffff8aa72da0
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8e7a3217
R10: fffffbfff1cf4642 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000001 R14: ffffe8ffffd02458 R15: 0000000000000000
 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
 rcu_is_watching+0x12/0xb0 kernel/rcu/tree.c:695
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0x470/0x520 kernel/locking/lockdep.c:5676
 __raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline]
 _raw_spin_trylock+0x64/0x80 kernel/locking/spinlock.c:138
 spin_trylock include/linux/spinlock.h:360 [inline]
 rmqueue_pcplist mm/page_alloc.c:3000 [inline]
 rmqueue mm/page_alloc.c:3056 [inline]
 get_page_from_freelist+0x49d/0x2c00 mm/page_alloc.c:3520
 __alloc_pages+0x1cb/0x4a0 mm/page_alloc.c:4794
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4826
 vma_alloc_folio+0x155/0x890 mm/mempolicy.c:2240
 shmem_alloc_folio+0x119/0x1e0 mm/shmem.c:1579
 shmem_alloc_and_acct_folio+0x15e/0x5d0 mm/shmem.c:1603
 shmem_get_folio_gfp+0x9cc/0x1a80 mm/shmem.c:1948
 shmem_get_folio mm/shmem.c:2079 [inline]
 shmem_write_begin+0x14a/0x380 mm/shmem.c:2573
 generic_perform_write+0x256/0x570 mm/filemap.c:3946
 __generic_file_write_iter+0x2ae/0x500 mm/filemap.c:4074
 generic_file_write_iter+0xe3/0x350 mm/filemap.c:4106
 call_write_iter include/linux/fs.h:1872 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x981/0xda0 fs/read_write.c:584
 ksys_write+0x122/0x250 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1633c3dfff
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48
RSP: 002b:00007f1634a79f10 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1633c3dfff
RDX: 0000000001000000 RSI: 00007f162a3ff000 RDI: 0000000000000003
RBP: 00007f162a3ff000 R08: 0000000000000000 R09: 00000000000055a2
R10: 0000000001000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f1634a79fdc R14: 00007f1634a79fe0 R15: 0000000020005682
 </TASK>