rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2662 jiffies s: 209121 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: 16985 Comm: syz.7.3784 Not tainted 6.1.146-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:check_preemption_disabled+0x4b/0x110 lib/smp_processor_id.c:55 Code: 0d 92 48 ec 75 f7 c1 ff ff ff 7f 74 1f 65 48 8b 0c 25 28 00 00 00 48 3b 4c 24 08 0f 85 c4 00 00 00 48 83 c4 10 5b 41 5e 41 5f <5d> c3 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 74 RSP: 0018:ffffc900000078f8 EFLAGS: 00000082 RAX: 0000000000000000 RBX: ffff8880b8e277a0 RCX: 52027c311f774200 RDX: 0000000000000000 RSI: ffffffff8adef240 RDI: ffffffff8adef200 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1c3e91e R10: fffffbfff1c3e91e R11: 1ffffffff1c3e91d R12: dffffc0000000000 R13: 0000000000000000 R14: ffff888078f63b80 R15: ffffffff8c5e0980 FS: 00007f89be36d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555766a8808 CR3: 0000000052bcf000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: irqtime_account_irq+0x63/0x1b0 kernel/sched/cputime.c:59 account_hardirq_exit include/linux/vtime.h:159 [inline] __irq_exit_rcu+0x8d/0x220 kernel/softirq.c:676 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0x4f/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728 RIP: 0010:rcu_read_unlock_special+0x84/0x500 kernel/rcu/tree_plugin.h:682 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 dd 9e 96 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b RSP: 0018:ffffc90000007aa0 EFLAGS: 00000206 RAX: 52027c311f774200 RBX: 1ffff92000000f5c RCX: 52027c311f774200 RDX: dffffc0000000000 RSI: ffffffff8a8c0460 RDI: ffffffff8adef260 RBP: ffffc90000007b90 R08: dffffc0000000000 R09: fffffbfff215ba5d R10: fffffbfff215ba5d R11: 1ffffffff215ba5c R12: 0000000000000246 R13: dffffc0000000000 R14: ffff8880b8e3b900 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:1752 [inline] __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1816 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1833 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 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 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:refill_stock+0x27b/0x440 mm/memcontrol.c:2319 Code: 28 af ff 48 c7 44 24 60 00 00 00 00 9c 8f 44 24 60 f6 44 24 61 02 75 53 f7 c3 00 02 00 00 74 01 fb 48 c7 44 24 20 0e 36 e0 45 <48> 8b 44 24 18 4a c7 04 20 00 00 00 00 66 42 c7 44 20 09 00 00 42 RSP: 0018:ffffc90004d674a0 EFLAGS: 00000206 RAX: 52027c311f774200 RBX: 0000000000000a02 RCX: 52027c311f774200 RDX: dffffc0000000000 RSI: ffffffff8a8c0460 RDI: ffffffff8adef260 RBP: ffffc90004d67570 R08: dffffc0000000000 R09: fffffbfff215ba5d R10: fffffbfff215ba5d R11: 1ffffffff215ba5c R12: dffffc0000000000 R13: ffff888078f63b80 R14: ffff8880b8e368d0 R15: ffff8880b8e368f8 obj_cgroup_uncharge_pages mm/memcontrol.c:3078 [inline] refill_obj_stock+0x3f8/0x680 mm/memcontrol.c:3350 obj_cgroup_charge+0x3bf/0x610 mm/memcontrol.c:3392 memcg_slab_pre_alloc_hook mm/slab.h:501 [inline] slab_pre_alloc_hook+0x2e7/0x310 mm/slab.h:715 slab_alloc_node mm/slub.c:3318 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc+0x56/0x2f0 mm/slub.c:3422 vm_area_dup+0x23/0x1a0 kernel/fork.c:467 dup_mmap kernel/fork.c:646 [inline] dup_mm kernel/fork.c:1541 [inline] copy_mm+0xa7e/0x15c0 kernel/fork.c:1590 copy_process+0x1953/0x4020 kernel/fork.c:2351 kernel_clone+0x225/0x8b0 kernel/fork.c:2757 __do_sys_clone kernel/fork.c:2898 [inline] __se_sys_clone kernel/fork.c:2882 [inline] __x64_sys_clone+0x17c/0x1d0 kernel/fork.c:2882 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f89bd58e9a9 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:00007f89be36cfe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f89bd7b5fa0 RCX: 00007f89bd58e9a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000e50c1600 RBP: 00007f89bd610d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f89bd7b5fa0 R15: 00007ffc80e9ede8