rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P25668 0-.... } 2644 jiffies s: 390613 root: 0x1/T
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 25677 Comm: syz.9.7222 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:error_entry+0x0/0xf0 arch/x86/entry/entry_64.S:1036
Code: 00 4c 89 fa 89 d0 48 c1 ea 20 0f 30 66 90 f3 48 0f ae db e9 6f fe ff ff 85 db 0f 85 67 fe ff ff 0f 01 f8 e9 5f fe ff ff 90 90 <56> 48 8b 74 24 08 48 89 7c 24 08 52 51 50 41 50 41 51 41 52 41 53
RSP: 0018:ffffc90000007a68 EFLAGS: 00000006
RAX: fcc8526851bce800 RBX: 1ffff92000000f5c RCX: fcc8526851bce800
RDX: dffffc0000000000 RSI: ffffffff8a8c0580 RDI: ffffffff8adef760
RBP: ffffc90000007b90 R08: dffffc0000000000 R09: ffffed10171c6afa
R10: ffffed10171c6afa R11: 1ffff110171c6af9 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8e3b900 R15: 0000000000000001
FS:  00007f8e1de186c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc8fe84f744 CR3: 0000000062ca2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 asm_sysvec_irq_work+0xb/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x84/0x500 kernel/rcu/tree_plugin.h:685
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 ed 90 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
 __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:1747 [inline]
 __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1811
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__kernel_text_address+0x1/0x30 kernel/extable.c:78
Code: 1f 8e 80 e1 07 80 c1 03 38 c1 7c c6 48 c7 c7 40 3c 1f 8e e8 d1 f2 7b 00 eb b8 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 53 <48> 89 fb e8 27 00 00 00 85 c0 0f 95 c0 48 81 fb 00 70 67 8f 0f 93
RSP: 0018:ffffc9000e567938 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc9000e5679b0 RCX: 0000000080000000
RDX: ffffc9000e567901 RSI: dffffc0000000000 RDI: ffffffff818e9998
RBP: ffffc9000e5679f0 R08: ffffc9000e567ee8 R09: ffffc9000e5679b8
R10: fffff52001cacf39 R11: 1ffff92001cacf37 R12: ffff88801b339dc0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92001cacf36
 unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:323
 arch_stack_walk+0xf2/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x98/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:383
 kmalloc include/linux/slab.h:563 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 btf_parse kernel/bpf/btf.c:5003 [inline]
 btf_new_fd+0x23b/0x780 kernel/bpf/btf.c:6905
 __sys_bpf+0x57a/0x6d0 kernel/bpf/syscall.c:5072
 __do_sys_bpf kernel/bpf/syscall.c:5131 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5129 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5129
 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: 0033:0x7f8e1cf8efc9
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:00007f8e1de18038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f8e1d1e6090 RCX: 00007f8e1cf8efc9
RDX: 0000000000000028 RSI: 0000200000000280 RDI: 0000000000000012
RBP: 00007f8e1d011f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8e1d1e6128 R14: 00007f8e1d1e6090 R15: 00007fffe4370cd8
 </TASK>