rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (0 ticks this GP) idle=65d/1/0x4000000000000000 softirq=32206/32206 fqs=4717 
	(detected by 1, t=10502 jiffies, g=40973, q=198839)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11257 Comm: syz.3.6563 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:rcu_lock_acquire+0x0/0x30 include/linux/rcupdate.h:312
Code: 89 d3 49 89 f6 49 89 ff e8 7d 2d f3 ff 4c 89 ff 4c 89 f6 48 89 da 5b 41 5e 41 5f e9 3a ed fc ff 66 2e 0f 1f 84 00 00 00 00 00 <e8> 5b 2d f3 ff e8 56 2d f3 ff 48 c7 c7 a0 ef 11 8d 31 f6 31 d2 b9
RSP: 0000:ffffc90005a1f010 EFLAGS: 00000083
RAX: 0000000000000002 RBX: 00007f71fe3b4b23 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff8a7a4b20 RDI: 00007f71fe3b4b23
RBP: 000000000001c601 R08: ffffc90005a1ff58 R09: ffffc90005a1f150
R10: dffffc0000000000 R11: fffff52000b43e2c R12: dffffc0000000000
R13: ffffc90005a1f100 R14: 00007f71fe3b4b23 R15: 1ffff92000b43e29
FS:  000055557ce1d500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f71fe770000 CR3: 000000005bd85000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rcu_read_lock include/linux/rcupdate.h:740 [inline]
 is_bpf_text_address+0x1d/0x270 kernel/bpf/core.c:725
 kernel_text_address kernel/extable.c:151 [inline]
 __kernel_text_address+0x9a/0x100 kernel/extable.c:105
 unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:323
 perf_callchain_kernel+0x35a/0x760 arch/x86/events/core.c:2784
 get_perf_callchain+0x356/0x460 kernel/events/callchain.c:200
 perf_callchain kernel/events/core.c:7616 [inline]
 perf_prepare_sample+0x352/0x1cb0 kernel/events/core.c:7643
 __perf_event_output kernel/events/core.c:7812 [inline]
 perf_event_output_forward+0x185/0x2e0 kernel/events/core.c:7832
 __perf_event_overflow+0x35f/0x550 kernel/events/core.c:9525
 perf_tp_event+0x324/0xbe0 kernel/events/core.c:10057
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10031
 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 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+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 82 fc 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0000:ffffc90005a1fa00 EFLAGS: 00000206
RAX: 3ea989a3231de600 RBX: 1ffff92000b43f44 RCX: 3ea989a3231de600
RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a4b40
RBP: ffffc90005a1fad0 R08: ffffffff910150c7 R09: 1ffffffff2202a18
R10: dffffc0000000000 R11: fffffbfff2202a19 R12: ffffffff8d123400
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]
 __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093
 wp_page_copy+0xf34/0x2090 mm/memory.c:3148
 handle_pte_fault mm/memory.c:4668 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x1fbd/0x4440 mm/memory.c:4883
 do_user_addr_fault+0x494/0xc90 arch/x86/mm/fault.c:1355
 handle_page_fault arch/x86/mm/fault.c:1443 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1496
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f71fe3b4b23
Code: 53 48 83 ec 38 80 3d fb b4 3b 00 00 89 7c 24 18 48 89 74 24 28 0f 85 cd 09 00 00 80 3d cb eb ee 00 00 49 89 f1 41 89 d2 89 cb <c6> 05 d6 b4 3b 00 01 41 89 d7 0f 85 45 04 00 00 80 3d 96 eb ee 00
RSP: 002b:00007fff4a8b6940 EFLAGS: 00010246
RAX: 00007f71fe773fa0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 00007f71fe774038 RDI: 0000000000000000
RBP: 00007f71fe773fb0 R08: 0000000000000000 R09: 00007f71fe774038
R10: 0000000000000003 R11: 0000000000000001 R12: 00007f71fe773fa0
R13: 0000200000000000 R14: 00007fff4a8b69b8 R15: 00007f71fe773fa0
 </TASK>