rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10500 ticks this GP) idle=36dc/1/0x4000000000000000 softirq=10729/839803 fqs=5241
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   424106     417151            0
rcu: 	cputime:      949      51118          408   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=9701 q=235 ncpus=2)
CPU: 1 PID: 5806 Comm: syz-executor286 Not tainted 6.6.101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:lock_acquire+0x1f2/0x410 kernel/locking/lockdep.c:5758
Code: 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 0f 85 f5 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 66 43 c7 44 3c 09 00 00 43 c6 44 3c 0b 00
RSP: 0018:ffffc900001f0900 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: e3465ac3e8c21a00
RDX: 0000000000000000 RSI: ffffffff8aaacbc0 RDI: ffffffff8afc6780
RBP: ffffc900001f0a08 R08: dffffc0000000000 R09: 1ffffffff21b46a4
R10: dffffc0000000000 R11: fffffbfff21b46a5 R12: 1ffff9200003e12c
R13: ffffffff8cd2fba0 R14: 0000000000000246 R15: dffffc0000000000
FS:  00005555834e3380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555834e3ca8 CR3: 000000007894b000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
 rcu_read_lock include/linux/rcupdate.h:786 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2321 [inline]
 bpf_trace_run1+0xf7/0x3b0 kernel/trace/bpf_trace.c:2360
 __bpf_trace_rcu_utilization+0xa2/0xe0 include/trace/events/rcu.h:27
 __traceiter_rcu_utilization+0x70/0xa0 include/trace/events/rcu.h:27
 trace_rcu_utilization+0x179/0x1a0 include/trace/events/rcu.h:27
 rcu_core+0x1341/0x1720 kernel/rcu/tree.c:2475
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0xa1/0xc0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xa9/0x110 kernel/locking/spinlock.c:194
Code: 74 05 e8 fa 37 15 f7 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 22 b3 e4 f6 65 8b 05 23 f9 8c 75 85 c0 74 3c 48 c7 04 24 0e 36
RSP: 0018:ffffc9000475fb40 EFLAGS: 00000206
RAX: e3465ac3e8c21a00 RBX: 0000000000000a06 RCX: e3465ac3e8c21a00
RDX: dffffc0000000000 RSI: ffffffff8aaaba40 RDI: 0000000000000001
RBP: ffffc9000475fbc0 R08: ffffffff8e4a84ef R09: 1ffffffff1c9509d
R10: dffffc0000000000 R11: fffffbfff1c9509e R12: dffffc0000000000
R13: ffffc9000475fcc8 R14: ffff888028285ea0 R15: 1ffff920008ebf68
 do_wait+0x914/0xaf0 kernel/exit.c:1642
 kernel_wait4+0x1af/0x270 kernel/exit.c:1780
 __do_sys_wait4 kernel/exit.c:1808 [inline]
 __se_sys_wait4 kernel/exit.c:1804 [inline]
 __x64_sys_wait4+0x134/0x1e0 kernel/exit.c:1804
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd8aea13eb3
Code: fe ff e9 41 ff ff ff 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 80 3d d1 b1 07 00 00 49 89 ca 74 14 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5d c3 0f 1f 40 00 48 83 ec 28 89 54 24 14 48
RSP: 002b:00007ffd092ed418 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 000000000001c6d7 RCX: 00007fd8aea13eb3
RDX: 0000000040000001 RSI: 00007ffd092ed43c RDI: 00000000ffffffff
RBP: 00000000000016e8 R08: 0000000000000074 R09: 0000000000745d1e
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd092ed43c
R13: 00007ffd092ed470 R14: 00007ffd092ed450 R15: 000000000000000e
 </TASK>