rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2628 jiffies s: 8857 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5464 Comm: syz.0.315 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:check_preemption_disabled+0x1/0x110 lib/smp_processor_id.c:13
Code: 80 a3 bc 8c 4c 89 f6 e8 dd 53 0d fa e9 6e ff ff ff 00 00 cc cc 00 00 cc cc 48 c7 c7 80 5d df 8a 48 c7 c6 c0 5d df 8a eb 00 55 <41> 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24
RSP: 0018:ffffc90000007490 EFLAGS: 00000003
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff81647b70
RDX: 0000000000000000 RSI: ffffffff8adf5dc0 RDI: ffffffff8adf5d80
RBP: ffffc900000075d0 R08: ffffffff8e210aef R09: 1ffffffff1c4215d
R10: dffffc0000000000 R11: fffffbfff1c4215e R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000000ea4
FS:  00007f566b9d46c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9e72227dac CR3: 00000000559c9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
 rcu_is_watching+0x11/0xa0 kernel/rcu/tree.c:721
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0xcf/0x920 kernel/locking/lockdep.c:5687
 rcu_lock_release include/linux/rcupdate.h:355 [inline]
 rcu_read_unlock_sched include/linux/rcupdate.h:904 [inline]
 pfn_valid include/linux/mmzone.h:1867 [inline]
 __virt_addr_valid+0x435/0x540 arch/x86/mm/physaddr.c:65
 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]
 trace_call_bpf+0x5bb/0x6b0 kernel/trace/bpf_trace.c:137
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10027
 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 a2 7c 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:ffffc90000007ae0 EFLAGS: 00000206
RAX: 73f21030a4fbab00 RBX: 1ffff92000000f64 RCX: 73f21030a4fbab00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf5de0
RBP: ffffc90000007bd0 R08: ffffffff90b102df R09: 1ffffffff216205b
R10: dffffc0000000000 R11: fffffbfff216205c R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8e3bb00 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x156/0x170 net/mac80211/util.c:826
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 handle_softirqs+0x291/0x910 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:finish_task_switch+0x267/0x8e0 kernel/sched/core.c:5125
Code: d6 08 85 c0 0f 84 38 01 00 00 48 85 db 0f 85 57 01 00 00 0f 1f 44 00 00 4c 89 e7 e8 93 b1 e0 08 e8 2e 11 2f 00 fb 4c 8b 65 b8 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc900066df0a0 EFLAGS: 00000286
RAX: 73f21030a4fbab00 RBX: 0000000000000000 RCX: 73f21030a4fbab00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf5de0
RBP: ffffc900066df0f0 R08: ffffffff90b102df R09: 1ffffffff216205b
R10: dffffc0000000000 R11: fffffbfff216205c R12: ffff88802e02da00
R13: 1ffff110171c76fa R14: dffffc0000000000 R15: ffff8880b8e3b7d0
 context_switch kernel/sched/core.c:5249 [inline]
 __schedule+0x1087/0x4030 kernel/sched/core.c:6563
 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6875
 irqentry_exit+0x63/0x70 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:obj_cgroup_charge+0x32a/0x620 mm/memcontrol.c:3358
Code: 84 24 80 00 00 00 f7 84 24 80 00 00 00 00 02 00 00 41 c6 44 1f 08 f8 0f 85 21 01 00 00 41 f7 c4 00 02 00 00 74 01 fb 45 31 e4 <80> 7c 24 14 00 0f 85 a0 00 00 00 48 8b 44 24 18 49 89 c6 49 c1 ee
RSP: 0018:ffffc900066df400 EFLAGS: 00000246
RAX: 73f21030a4fbab00 RBX: dffffc0000000000 RCX: 73f21030a4fbab00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf5de0
RBP: ffffc900066df4e8 R08: ffffffff90b102df R09: 1ffffffff216205b
R10: dffffc0000000000 R11: fffffbfff216205c R12: 0000000000000000
R13: ffff8880b8e36950 R14: ffff8880b8e36978 R15: 1ffff92000cdbe88
 memcg_slab_pre_alloc_hook mm/slab.h:501 [inline]
 slab_pre_alloc_hook+0x2e2/0x300 mm/slab.h:715
 slab_alloc_node mm/slub.c:3279 [inline]
 slab_alloc mm/slub.c:3367 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3374 [inline]
 kmem_cache_alloc_lru+0x49/0x2e0 mm/slub.c:3390
 alloc_inode_sb include/linux/fs.h:3245 [inline]
 proc_alloc_inode+0x26/0xb0 fs/proc/inode.c:67
 alloc_inode fs/inode.c:261 [inline]
 new_inode_pseudo+0x5f/0x1c0 fs/inode.c:1063
 new_inode+0x25/0x1d0 fs/inode.c:1091
 proc_pid_make_inode+0x20/0x1a0 fs/proc/base.c:1944
 proc_pident_instantiate+0x69/0x2a0 fs/proc/base.c:2683
 proc_pident_lookup+0x1b8/0x260 fs/proc/base.c:2719
 __lookup_slow+0x29d/0x3f0 fs/namei.c:1698
 lookup_slow+0x53/0x70 fs/namei.c:1715
 walk_component fs/namei.c:2006 [inline]
 link_path_walk+0x976/0xea0 fs/namei.c:2333
 path_openat+0x285/0x2f10 fs/namei.c:3787
 do_filp_open+0x1ee/0x420 fs/namei.c:3818
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 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: 0033:0x7f566ab5e84e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f566b9d3ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f566b9d46c0 RCX: 00007f566ab5e84e
RDX: 0000000000000002 RSI: 00007f566b9d3f90 RDI: ffffffffffffff9c
RBP: 00007f566ac3500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f566ae26038 R14: 00007f566ae25fa0 R15: 00007fff2c7234d8
 </TASK>