rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-....: (2 ticks this GP) idle=898c/1/0x4000000000000000 softirq=15287/15287 fqs=5243
rcu: hardirqs softirqs csw/system
rcu: number: 10599488 0 0
rcu: cputime: 6157 46370 0 ==> 52510(ms)
rcu: (detected by 1, t=10502 jiffies, g=16117, q=1921 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6514 Comm: syz.2.197 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:mark_lock+0x0/0x320 kernel/locking/lockdep.c:4639
Code: 38 c1 7c 90 48 c7 c7 e0 bc 4a 8e e8 aa 17 75 00 4c 89 f7 41 89 d9 e9 79 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <55> 41 57 41 56 41 55 41 54 53 50 89 d5 49 89 f6 48 89 fb 49 bd 00
RSP: 0018:ffffc90000006f18 EFLAGS: 00000046
RAX: 0000000000000002 RBX: 0000000000000003 RCX: 0000000000000002
RDX: 0000000000000008 RSI: ffff88801af3c758 RDI: ffff88801af3bc00
RBP: ffffc90000007168 R08: dffffc0000000000 R09: 1ffffffff21b46a0
R10: dffffc0000000000 R11: fffffbfff21b46a1 R12: 0000000000000002
R13: ffff88801af3bc00 R14: ffff88801af3c758 R15: ffff88801af3c778
FS: 00007f191c9f66c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4895826f98 CR3: 0000000019ab6000 CR4: 00000000003506f0
Call Trace:
mark_usage kernel/locking/lockdep.c:4599 [inline]
__lock_acquire+0xd49/0x7c80 kernel/locking/lockdep.c:5091
lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754
rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
rcu_read_lock include/linux/rcupdate.h:786 [inline]
__perf_output_begin kernel/events/ring_buffer.c:163 [inline]
perf_output_begin_forward+0xc0/0xa20 kernel/events/ring_buffer.c:273
__perf_event_output kernel/events/core.c:7974 [inline]
perf_event_output_forward+0x22b/0x3a0 kernel/events/core.c:7992
__perf_event_overflow+0x447/0x630 kernel/events/core.c:9717
perf_swevent_overflow kernel/events/core.c:9793 [inline]
perf_swevent_event+0x2f5/0x5c0 kernel/events/core.c:-1
perf_tp_event+0x4f9/0x13a0 kernel/events/core.c:10343
perf_trace_run_bpf_submit+0xf4/0x1c0 kernel/events/core.c:10267
perf_trace_preemptirq_template+0x281/0x340 include/trace/events/preemptirq.h:14
trace_irq_enable+0xbf/0xe0 include/trace/events/preemptirq.h:40
trace_hardirqs_on+0x18/0x40 kernel/trace/trace_preemptirq.c:56
asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:rcu_read_unlock_special+0x88/0x4c0 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 39 58 93 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:ffffc90000007b00 EFLAGS: 00000206
RAX: 1b2d9ac1ad178800 RBX: 1ffff92000000f68 RCX: 1b2d9ac1ad178800
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffc90000007bf0 R08: ffffffff90da352f R09: 1ffffffff21b46a5
R10: dffffc0000000000 R11: fffffbfff21b46a6 R12: ffffffff8cd35400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
__rcu_read_unlock+0x7c/0xd0 kernel/rcu/tree_plugin.h:426
rcu_read_unlock include/linux/rcupdate.h:818 [inline]
ieee80211_iterate_active_interfaces_atomic+0x15a/0x180 net/mac80211/util.c:804
mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295
__run_hrtimer kernel/time/hrtimer.c:1755 [inline]
__hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836
handle_softirqs+0x280/0x820 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:7009
Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 63 bf 01 00 00 00 e8 4b da e5 f6 e8 46 5f 16 f7 fb bf 01 00 00 00 db b5 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90018717180 EFLAGS: 00000282
RAX: 1b2d9ac1ad178800 RBX: 0000000000000000 RCX: 1b2d9ac1ad178800
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: 0000000000000001
RBP: ffffc90018717220 R08: ffffffff90da352f R09: 1ffffffff21b46a5
R10: dffffc0000000000 R11: fffffbfff21b46a6 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920030e2e30
irqentry_exit+0x67/0x70 kernel/entry/common.c:438
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__slab_free+0x6a/0x410 include/linux/kfence.h:-1
Code: 04 25 28 00 00 00 48 3b 44 24 48 0f 85 55 03 00 00 48 89 df 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d e9 89 9b 00 00 48 89 fd <44> 89 44 24 04 48 89 4c 24 20 0f 1f 44 00 00 31 ff 48 ba 00 00 00
RSP: 0018:ffffc900187172e8 EFLAGS: 00000202
RAX: ffff88823bc00001 RBX: ffff8880250de600 RCX: ffff8880250de600
RDX: fffffffde94de601 RSI: ffffea0000943600 RDI: ffff888019a4d780
RBP: ffff888019a4d780 R08: 0000000000000001 R09: ffffffff81dce15a
R10: ffff888141f3bc00 R11: fffffbfff21b46a6 R12: ffff888019a4d780
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880250de600
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x75/0xe0 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x143/0x160 mm/kasan/quarantine.c:292
__kasan_kmalloc_large+0x1c/0xa0 mm/kasan/common.c:394
kasan_kmalloc_large include/linux/kasan.h:208 [inline]
__kmalloc_large_node+0x13d/0x1e0 mm/slab_common.c:1155
__do_kmalloc_node mm/slab_common.c:995 [inline]
__kmalloc_node+0x10f/0x230 mm/slab_common.c:1014
kmalloc_node include/linux/slab.h:620 [inline]
kvmalloc_node+0x70/0x180 mm/util.c:617
kvmalloc include/linux/slab.h:738 [inline]
kvzalloc include/linux/slab.h:746 [inline]
bpf_check+0x186/0xe970 kernel/bpf/verifier.c:20334
bpf_prog_load+0x11cb/0x16d0 kernel/bpf/syscall.c:2744
__sys_bpf+0x55a/0x800 kernel/bpf/syscall.c:5467
__do_sys_bpf kernel/bpf/syscall.c:5571 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5569 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5569
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f191e78ebe9
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:00007f191c9f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f191e9b5fa0 RCX: 00007f191e78ebe9
RDX: 0000000000000094 RSI: 00002000000006c0 RDI: 0000000000000005
RBP: 00007f191e811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f191e9b6038 R14: 00007f191e9b5fa0 R15: 00007ffc73a8d788