rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2690 jiffies s: 2761 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: 5094 Comm: syz.0.176 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:perf_trace_buf_alloc+0x166/0x300 kernel/trace/trace_event_perf.c:420
Code: 00 89 ee e8 dc e8 f7 ff 83 fd 03 0f 87 fc 00 00 00 e8 6e e5 f7 ff 4e 8d 34 fd 20 85 a8 97 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 f7 e8 40 41 49 00 4d 8b 3e e8 28 8d a9 08 89 c5 41 89
RSP: 0018:ffffc900000078e0 EFLAGS: 00000046
RAX: 1ffffffff2f510a5 RBX: 0000000000000014 RCX: ffff88807c5f5a00
RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000004
RBP: 0000000000000001 R08: ffff8880b8c357cb R09: 1ffff11017186af9
R10: dffffc0000000000 R11: ffffed1017186afa R12: ffffffff8c66d980
R13: dffffc0000000000 R14: ffffffff97a88528 R15: 0000000000000001
FS:  00007f363a3316c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000a82000 CR3: 00000000748ac000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_trace_preemptirq_template+0x143/0x320 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 d2 68 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: 09846dfb06584000 RBX: 1ffff92000000f64 RCX: 09846dfb06584000
RDX: dffffc0000000000 RSI: ffffffff8a8c19a0 RDI: ffffffff8adf71a0
RBP: ffffc90000007bd0 R08: ffff8880b8c357cb R09: 1ffff11017186af9
R10: dffffc0000000000 R11: ffffed1017186afa R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8c3bb00 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:2153
 __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:orc_ip arch/x86/kernel/unwind_orc.c:30 [inline]
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:52 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:178 [inline]
RIP: 0010:unwind_next_frame+0x1212/0x1fd0 arch/x86/kernel/unwind_orc.c:448
Code: c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 48 83 e0 fe 4c 8d 7c 45 00 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 f0 48 0f 46 e9 49
RSP: 0018:ffffc90004017430 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffffc90004017528 RCX: dffffc0000000000
RDX: ffffffff8f7fc400 RSI: ffffffff8f100d44 RDI: ffffffff8138fb37
RBP: ffffffff8f100d44 R08: 0000000000000009 R09: ffffc90004017528
R10: dffffc0000000000 R11: fffff52000802eb1 R12: ffffffff8f100d44
R13: ffffffff8f100d64 R14: ffffffff81391d70 R15: ffffffff8f100d54
 __unwind_start+0x51a/0x650 arch/x86/kernel/unwind_orc.c:717
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0xda/0x140 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 ____kasan_kmalloc mm/kasan/common.c:375 [inline]
 __kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:384
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:936 [inline]
 __kmalloc_node+0xb2/0x240 mm/slab_common.c:943
 kmalloc_node include/linux/slab.h:589 [inline]
 __vmalloc_area_node mm/vmalloc.c:3114 [inline]
 __vmalloc_node_range+0x584/0x1380 mm/vmalloc.c:3300
 __vmalloc_node mm/vmalloc.c:3365 [inline]
 __vmalloc+0x76/0x80 mm/vmalloc.c:3379
 bpf_prog_alloc_no_stats+0x37/0x3a0 kernel/bpf/core.c:93
 bpf_prog_alloc+0x1c/0x1b0 kernel/bpf/core.c:131
 bpf_prog_load+0x7d4/0x1530 kernel/bpf/syscall.c:2597
 __sys_bpf+0x5b8/0x780 kernel/bpf/syscall.c:5035
 __do_sys_bpf kernel/bpf/syscall.c:5139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5137 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5137
 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: 0033:0x7f363939e1d9
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:00007f363a331028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f3639626090 RCX: 00007f363939e1d9
RDX: 0000000000000048 RSI: 0000200000000200 RDI: 0000000000000005
RBP: 00007f3639435888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3639626128 R14: 00007f3639626090 R15: 00007ffd30af5948
 </TASK>