rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=4f5/1/0x4000000000000002 softirq=26868/26869 fqs=5247 
	(detected by 1, t=10502 jiffies, g=36741, q=1099)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11691 Comm: syz.1.2083 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:unwind_next_frame+0xa13/0x1d90 arch/x86/kernel/unwind_orc.c:545
Code: 00 4d 89 3e 48 8b 44 24 40 42 80 3c 28 00 4c 8b 74 24 38 4c 8b 7c 24 70 74 08 4c 89 f7 e8 75 a5 87 00 48 8b 44 24 08 49 89 06 <48> 8b 44 24 68 42 0f b6 04 28 84 c0 4c 8b 74 24 28 0f 85 40 10 00
RSP: 0018:ffffc9000308eb60 EFLAGS: 00000046
RAX: ffffc9000308efc0 RBX: ffffc9000308ed00 RCX: 1ffff92000611d01
RDX: 1ffffffff1bd5e5b RSI: ffffffff8deaf2da RDI: ffffc9000308efb8
RBP: ffffc9000308ed48 R08: 0000000000000001 R09: ffffc9000308ed50
R10: fffff52000611dac R11: 1ffff92000611daa R12: 1ffffffff1bd5e5b
R13: dffffc0000000000 R14: ffffc9000308ed38 R15: ffffc9000308ed35
FS:  00007fd25bed86c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000011400000000 CR3: 0000000051aa8000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 __unwind_start+0x5bb/0x740 arch/x86/kernel/unwind_orc.c:704
 unwind_start arch/x86/include/asm/unwind.h:60 [inline]
 perf_callchain_kernel+0x3d3/0x650 arch/x86/events/core.c:-1
 get_perf_callchain+0x376/0x480 kernel/events/callchain.c:200
 perf_callchain kernel/events/core.c:7592 [inline]
 perf_prepare_sample+0x352/0x1cb0 kernel/events/core.c:7619
 __perf_event_output kernel/events/core.c:7788 [inline]
 perf_event_output_forward+0x146/0x280 kernel/events/core.c:7808
 __perf_event_overflow+0x364/0x530 kernel/events/core.c:9501
 perf_tp_event+0x32c/0xb50 kernel/events/core.c:10033
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10007
 perf_trace_preemptirq_template+0x2be/0x380 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+0x84/0x480 kernel/rcu/tree_plugin.h:671
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 7d 16 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:ffffc9000308f620 EFLAGS: 00000206
RAX: d31dced4021fbf00 RBX: 1ffff92000611ec8 RCX: d31dced4021fbf00
RDX: dffffc0000000000 RSI: ffffffff8a0b15c0 RDI: ffffffff8a599340
RBP: ffffc9000308f6f0 R08: dffffc0000000000 R09: ffffed101720765a
R10: ffffed101720765a R11: 1ffff11017207659 R12: ffffffff8c120800
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 get_mem_cgroup_from_objcg+0x109/0x120 mm/memcontrol.c:2817
 obj_cgroup_uncharge_pages mm/memcontrol.c:2992 [inline]
 __memcg_kmem_uncharge_page+0x74/0x140 mm/memcontrol.c:3083
 memcg_kmem_uncharge_page include/linux/memcontrol.h:1703 [inline]
 free_thread_stack+0x96/0x430 kernel/fork.c:283
 release_task_stack kernel/fork.c:433 [inline]
 put_task_stack+0x97/0x140 kernel/fork.c:444
 finish_task_switch+0x26f/0x640 kernel/sched/core.c:4942
 context_switch kernel/sched/core.c:5033 [inline]
 __schedule+0x11c0/0x43b0 kernel/sched/core.c:6376
 preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6780
 irqentry_exit+0x63/0x70 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__bpf_prog_put_noref+0x107/0x2b0 kernel/bpf/syscall.c:1793
Code: 4c 89 f7 e8 7b 2b 37 00 41 bf 38 01 00 00 4d 03 3e 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 5c 2b 37 00 49 8b 3f <e8> 94 95 36 00 43 80 7c 25 00 00 74 08 4c 89 f7 e8 44 2b 37 00 4d
RSP: 0018:ffffc9000308fbb0 EFLAGS: 00000246
RAX: 1ffff11009df5127 RBX: 0000000000000000 RCX: d31dced4021fbf00
RDX: ffffc90005a3a000 RSI: ffffffff8a599320 RDI: 0000000000000000
RBP: ffffc9000308fdb0 R08: dffffc0000000000 R09: ffffed101720765a
R10: ffffed101720765a R11: 1ffff11017207659 R12: dffffc0000000000
R13: 1ffff92000227c07 R14: ffffc9000113e038 R15: ffff88804efa8938
 bpf_prog_load+0x113e/0x1550 kernel/bpf/syscall.c:2388
 __sys_bpf+0x4c2/0x670 kernel/bpf/syscall.c:4651
 __do_sys_bpf kernel/bpf/syscall.c:4755 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4753 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753
 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: 0033:0x7fd25dc70be9
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:00007fd25bed8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fd25de97fa0 RCX: 00007fd25dc70be9
RDX: 0000000000000094 RSI: 0000200000000280 RDI: 0000000000000005
RBP: 00007fd25dcf3e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd25de98038 R14: 00007fd25de97fa0 R15: 00007ffda2bb11e8
 </TASK>