rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2660 jiffies s: 2453 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 UID: 0 PID: 5591 Comm: syz-executor.0 Not tainted 6.11.0-rc3-syzkaller-00060-gd07b43284ab3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:timerqueue_del+0x2f/0x100 lib/timerqueue.c:55
Code: 41 57 41 56 41 55 41 54 53 49 89 f5 49 89 fe 48 bd 00 00 00 00 00 fc ff df e8 ed 1d e4 f5 4d 89 ec 49 c1 ec 03 41 80 3c 2c 00 <74> 08 4c 89 ef e8 27 63 4b f6 49 8b 5d 00 48 89 df 4c 89 ee e8 28
RSP: 0000:ffffc90000a18d28 EFLAGS: 00000046
RAX: ffffffff8baf6b83 RBX: 0000000000000001 RCX: ffff888024e9da00
RDX: 0000000000010000 RSI: ffff888024cf5340 RDI: ffff8880b932c9d0
RBP: dffffc0000000000 R08: ffffffff8180d182 R09: 1ffffffff202fa55
R10: dffffc0000000000 R11: fffffbfff202fa56 R12: 1ffff1100499ea68
R13: ffff888024cf5340 R14: ffff8880b932c9d0 R15: ffff8880b932c880
FS:  00005555562d1480(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f98207ad988 CR3: 000000007ecd2000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __remove_hrtimer kernel/time/hrtimer.c:1118 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1669 [inline]
 __hrtimer_run_queues+0x3d0/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:variable_test_bit arch/x86/include/asm/bitops.h:227 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:239 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:562 [inline]
RIP: 0010:smp_call_function_many_cond+0x2ae/0x29d0 kernel/smp.c:790
Code: 00 00 00 00 00 00 eb 4f 41 83 fd 07 0f 87 c5 1f 00 00 e8 05 26 0c 00 48 8b 44 24 50 49 8d 3c c6 be 08 00 00 00 e8 b2 6d 73 00 <31> db 48 8b 84 24 a0 00 00 00 49 0f a3 06 0f 92 c3 bf 02 00 00 00
RSP: 0000:ffffc90004687400 EFLAGS: 00000256
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff8187637e
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88807d274b40
RBP: ffffc900046875e0 R08: ffff88807d274b47 R09: 1ffff1100fa4e968
R10: dffffc0000000000 R11: ffffed100fa4e969 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff88807d274b40 R15: 0000000000000002
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
 __flush_tlb_multi arch/x86/include/asm/paravirt.h:91 [inline]
 flush_tlb_multi arch/x86/mm/tlb.c:941 [inline]
 flush_tlb_mm_range+0x329/0x5c0 arch/x86/mm/tlb.c:1027
 flush_tlb_page arch/x86/include/asm/tlbflush.h:254 [inline]
 ptep_clear_flush+0x11a/0x170 mm/pgtable-generic.c:101
 wp_page_copy mm/memory.c:3401 [inline]
 do_wp_page+0x1bf0/0x52f0 mm/memory.c:3727
 handle_pte_fault+0x1147/0x6eb0 mm/memory.c:5538
 __handle_mm_fault mm/memory.c:5665 [inline]
 handle_mm_fault+0x1029/0x1980 mm/memory.c:5833
 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f982063750d
Code: e0 04 8b 4c 02 08 85 c9 0f 85 7b 0a 00 00 31 c0 b9 40 42 0f 00 ba 81 00 00 00 c7 06 01 00 00 00 bf ca 00 00 00 e8 83 67 04 00 <83> 05 74 64 17 00 01 80 bc 24 d8 00 00 00 00 0f b6 05 8f e1 c9 00
RSP: 002b:00007ffd346483c0 EFLAGS: 00010207
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 00007f982067dca9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f98207abf88
RBP: 00007f98207abf80 R08: 00007ffd346482d7 R09: 0000000000000095
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd346484d0
R13: 00007f98207abf8c R14: 00007f98207abf80 R15: 0000000000000000
 </TASK>