rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=147/1/0x4000000000000002 softirq=13674/13675 fqs=2099 
	(detected by 1, t=10502 jiffies, g=16629, q=1427)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6334 Comm: syz.1.526 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:rcu_irq_enter_irqson+0xc3/0x110 kernel/rcu/tree.c:1089
Code: 39 1a 00 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 43 41 f7 c7 00 02 00 00 74 01 fb 48 c7 04 24 0e 36 e0 45 <4a> c7 04 33 00 00 00 00 66 42 c7 44 33 09 00 00 42 c6 44 33 0b 00
RSP: 0018:ffffc90000007840 EFLAGS: 00000046
RAX: 0000000000007147 RBX: 1ffff92000000f08 RCX: ffffffff89a1f17d
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880b903b308
RBP: ffffc900000078e8 R08: dffffc0000000000 R09: ffffed1017207662
R10: ffffed1017207662 R11: 1ffff11017207661 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000802
FS:  00007f7278e156c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2af749 CR3: 0000000053955000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 trace_irq_enable_rcuidle+0xc6/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x84/0x480 kernel/rcu/tree_plugin.h:674
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ed 11 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc900000079e0 EFLAGS: 00000206
RAX: 30564b1b14737100 RBX: 1ffff92000000f40 RCX: 30564b1b14737100
RDX: dffffc0000000000 RSI: ffffffff8a0b1be0 RDI: ffffffff8a59e800
RBP: ffffc90000007ac0 R08: dffffc0000000000 R09: ffffed1017207662
R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffffffff8c120c00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1879 [inline]
 bpf_trace_run1+0x1d2/0x2d0 kernel/trace/bpf_trace.c:1914
 trace_rcu_utilization+0x175/0x1a0 include/trace/events/rcu.h:27
 rcu_core+0xfb7/0x15d0 kernel/rcu/tree.c:2767
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__sanitizer_cov_trace_pc+0x45/0x60 kernel/kcov.c:212
Code: 81 fa 00 01 00 00 75 35 83 b9 34 16 00 00 00 74 2c 8b 91 10 16 00 00 83 fa 02 75 21 48 8b 91 18 16 00 00 48 8b 32 48 8d 7e 01 <8b> 89 14 16 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a c3 0f 1f
RSP: 0018:ffffc90002d7f938 EFLAGS: 00000246
RAX: ffffffff816c2665 RBX: ffff88801d4dbb80 RCX: ffff88801d4dbb80
RDX: ffffc90005ca9000 RSI: 0000000000006457 RDI: 0000000000006458
RBP: ffffc90002d7fa30 R08: ffffc90002d7fb18 R09: ffffc90002d7fb40
R10: fffff520005aff71 R11: 1ffff920005aff68 R12: dffffc0000000000
R13: 00007f727ae04fa8 R14: 0000000000000000 R15: 0000000000000000
 get_futex_key+0x155/0x1300 kernel/futex/core.c:559
 futex_wait_setup+0x4b/0x520 kernel/futex/core.c:2909
 futex_wait+0x1db/0x5c0 kernel/futex/core.c:2959
 do_futex+0xd1c/0x1240 kernel/futex/core.c:3982
 __do_sys_futex kernel/futex/core.c:4059 [inline]
 __se_sys_futex+0x3a3/0x430 kernel/futex/core.c:4040
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f727abae749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7278e150e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f727ae04fa8 RCX: 00007f727abae749
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f727ae04fa8
RBP: 00007f727ae04fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f727ae05038 R14: 00007ffc7f720e40 R15: 00007ffc7f720f28
 </TASK>