rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2673 jiffies s: 214973 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 PID: 1366 Comm: syz.3.7696 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__nr_to_section include/linux/mmzone.h:1695 [inline]
RIP: 0010:__pfn_to_section include/linux/mmzone.h:1803 [inline]
RIP: 0010:pfn_valid include/linux/mmzone.h:1856 [inline]
RIP: 0010:__virt_addr_valid+0x13d/0x540 arch/x86/mm/physaddr.c:65
Code: c5 96 e8 66 4f 99 00 48 8b 05 8f 61 8b 15 48 85 c0 74 42 48 89 d9 48 c1 e9 22 4c 8d 34 c8 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 <74> 08 4c 89 f7 e8 39 4f 99 00 4d 8b 3e 4d 85 ff 74 20 49 89 de 49
RSP: 0018:ffffc900001e0060 EFLAGS: 00000046
RAX: 1ffff11047ffde00 RBX: 00000000b8f3b9f0 RCX: 0000000000000000
RDX: 0000000000000100 RSI: 00000000b8f3b9f0 RDI: 00003fffffffffff
RBP: 0000000000000001 R08: ffff8880b8f3b9fb R09: 1ffff110171e773f
R10: dffffc0000000000 R11: ffffed10171e7740 R12: dffffc0000000000
R13: dffffc0000000001 R14: ffff88823ffef000 R15: 0000000000000000
FS:  00007f4584b456c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30f23ffc CR3: 0000000058e12000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kasan_addr_to_slab+0x9/0xc0 mm/kasan/common.c:36
 __kasan_record_aux_stack+0xf/0xc0 mm/kasan/generic.c:471
 irq_work_queue_on+0x10f/0x260 kernel/irq_work.c:140
 rcu_read_unlock_special+0x3c9/0x510 kernel/rcu/tree_plugin.h:678
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 __perf_event_output kernel/events/core.c:7741 [inline]
 perf_event_output_forward+0x271/0x2f0 kernel/events/core.c:7750
 __perf_event_overflow+0x448/0x610 kernel/events/core.c:9496
 perf_tp_event+0x38c/0xc00 kernel/events/core.c:10029
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10002
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
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 e2 33 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc900001e0880 EFLAGS: 00000206
RAX: 6bcd0ed12bbd9600 RBX: 1ffff9200003c118 RCX: 6bcd0ed12bbd9600
RDX: dffffc0000000000 RSI: ffffffff8a8c1220 RDI: ffffffff8adf0f60
RBP: ffffc900001e0968 R08: ffffffff90af6247 R09: 1ffffffff215ec48
R10: dffffc0000000000 R11: fffffbfff215ec49 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8f3b900 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 get_mem_cgroup_from_objcg+0x12d/0x150 include/linux/memcontrol.h:525
 obj_cgroup_uncharge_pages mm/memcontrol.c:3075 [inline]
 refill_obj_stock+0x411/0x6a0 mm/memcontrol.c:3350
 memcg_slab_free_hook+0x125/0x1f0 mm/slab.h:569
 slab_free mm/slub.c:3682 [inline]
 kmem_cache_free+0xe0/0x290 mm/slub.c:3709
 rcu_do_batch kernel/rcu/tree.c:2297 [inline]
 rcu_core+0xa99/0x1740 kernel/rcu/tree.c:2557
 handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:lock_release+0x7e6/0x920 kernel/locking/lockdep.c:-1
Code: e8 af 96 6e 00 e9 a1 fb ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c ae fb ff ff 48 8b 3c 24 e8 8f 96 6e 00 e9 a0 fb ff ff <4d> 89 fc 65 8b 1d 80 52 9d 7e 48 c7 c0 70 d9 1f 8e 48 c1 e8 03 42
RSP: 0018:ffffc9000daaf700 EFLAGS: 00000a02
RAX: f2f2f2f8f1f1f1f1 RBX: ffff888017466060 RCX: 6bcd0ed12bbd9600
RDX: dffffc0000000000 RSI: ffffffff812ec99f RDI: ffff888017466078
RBP: ffffc9000daaf820 R08: ffffffff90af6247 R09: 1ffffffff215ec48
R10: dffffc0000000000 R11: fffffbfff215ec49 R12: 00002aaaaaaac000
R13: dffffc0000000000 R14: 0000000000000282 R15: 1ffff92001b55eec
 __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
 _raw_spin_unlock+0x12/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 __text_poke+0x6af/0x830 arch/x86/kernel/alternative.c:1456
 text_poke arch/x86/kernel/alternative.c:1480 [inline]
 text_poke_bp_batch+0x146/0x850 arch/x86/kernel/alternative.c:1771
 text_poke_flush arch/x86/kernel/alternative.c:1965 [inline]
 text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1972
 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
 static_key_enable_cpuslocked+0x11f/0x240 kernel/jump_label.c:207
 static_key_enable+0x16/0x20 kernel/jump_label.c:220
 tracepoint_add_func+0x907/0x990 kernel/tracepoint.c:361
 tracepoint_probe_register_prio kernel/tracepoint.c:511 [inline]
 tracepoint_probe_register+0x5a/0x90 kernel/tracepoint.c:531
 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline]
 perf_trace_event_init+0x420/0x940 kernel/trace/trace_event_perf.c:202
 perf_trace_init+0x234/0x2d0 kernel/trace/trace_event_perf.c:226
 perf_tp_event_init+0x89/0x110 kernel/events/core.c:10084
 perf_try_init_event+0x12b/0x3d0 kernel/events/core.c:11594
 perf_init_event kernel/events/core.c:11658 [inline]
 perf_event_alloc+0xf5c/0x21b0 kernel/events/core.c:11950
 __do_sys_perf_event_open kernel/events/core.c:12486 [inline]
 __se_sys_perf_event_open+0x6fd/0x1ec0 kernel/events/core.c:12378
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4583b9c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4584b45028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f4583e15fa0 RCX: 00007f4583b9c799
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000080
RBP: 00007f4583c32c99 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4583e16038 R14: 00007f4583e15fa0 R15: 00007ffc4b2bc208
 </TASK>