rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-....: (1 GPs behind) idle=5cf4/1/0x4000000000000000 softirq=12991/12992 fqs=5244
rcu: hardirqs softirqs csw/system
rcu: number: 10780735 0 0
rcu: cputime: 5641 46885 0 ==> 52510(ms)
rcu: (detected by 1, t=10502 jiffies, g=12161, q=1842 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6155 Comm: syz.2.83 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__lock_acquire+0x202/0x7c80 kernel/locking/lockdep.c:5041
Code: 83 15 00 75 0b 83 7c 24 60 30 0f 83 76 5b 00 00 48 89 5c 24 40 8b 5d 30 44 8b 7d 20 48 c7 c0 c0 b3 70 90 49 29 c5 49 c1 fd 04 <48> b9 c5 4e ec c4 4e ec c4 4e 49 0f af cd 41 89 cd 85 db 0f 85 2c
RSP: 0018:ffffc90000006ea0 EFLAGS: 00000002
RAX: ffffffff9070b3c0 RBX: 0000000000000000 RCX: ffffffff96eaa403
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8cd2fca0
RBP: ffffc900000070e8 R08: dffffc0000000000 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff1c95106 R12: 0000000000000000
R13: 0000000000000138 R14: ffffffff8cd2fca8 R15: 0000000000000000
FS: 00007f4ccbca36c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f20983f9fe8 CR3: 00000000302c0000 CR4: 00000000003506f0
Call Trace:
lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754
rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
rcu_read_lock_sched include/linux/rcupdate.h:878 [inline]
pfn_valid include/linux/mmzone.h:2011 [inline]
__virt_addr_valid+0x1a9/0x540 arch/x86/mm/physaddr.c:65
kasan_addr_to_slab+0xd/0xd0 mm/kasan/common.c:35
__kasan_record_aux_stack+0xf/0xc0 mm/kasan/generic.c:477
irq_work_queue_on+0xf5/0x220 kernel/irq_work.c:150
rcu_read_unlock_special+0x3a7/0x4c0 kernel/rcu/tree_plugin.h:675
__rcu_read_unlock+0x7c/0xd0 kernel/rcu/tree_plugin.h:426
rcu_read_unlock include/linux/rcupdate.h:818 [inline]
__perf_event_output kernel/events/core.c:7983 [inline]
perf_event_output_forward+0x2e6/0x3a0 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: b3014c61dc4e7e00 RBX: 1ffff92000000f68 RCX: b3014c61dc4e7e00
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffc90000007bf0 R08: ffffffff8e4a882f R09: 1ffffffff1c95105
R10: dffffc0000000000 R11: fffffbfff1c95106 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:unwind_next_frame+0x1db/0x2970 arch/x86/kernel/unwind_orc.c:-1
Code: c7 c3 00 00 00 81 4c 89 ff 48 c7 c6 00 00 00 81 e8 aa e8 4a 00 49 81 ff 00 00 00 81 40 0f 92 c5 4c 89 ff 48 c7 c6 00 00 a0 8a 90 e8 4a 00 49 81 ff 00 00 a0 8a 0f 93 c0 40 08 e8 4c 89 7c 24
RSP: 0018:ffffc9000c277458 EFLAGS: 00000206
RAX: ffffffff813aa486 RBX: ffffffff81000000 RCX: ffff8880237a5a00
RDX: 0000000000000002 RSI: ffffffff8aa00000 RDI: ffffffff81cf6a59
RBP: ffffc9000c277500 R08: ffffc9000c2775f0 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000002 R12: ffffc9000c277528
R13: dffffc0000000000 R14: ffffc9000c27755d R15: ffffffff81cf6a59
arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4e/0x70 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:374 [inline]
__kasan_kmalloc+0x8f/0xa0 mm/kasan/common.c:383
kasan_kmalloc include/linux/kasan.h:198 [inline]
__do_kmalloc_node mm/slab_common.c:1007 [inline]
__kmalloc_node+0xb4/0x230 mm/slab_common.c:1014
kmalloc_node include/linux/slab.h:620 [inline]
__vmalloc_area_node mm/vmalloc.c:3144 [inline]
__vmalloc_node_range+0x59a/0x1320 mm/vmalloc.c:3339
__vmalloc_node mm/vmalloc.c:3404 [inline]
__vmalloc+0x7a/0x90 mm/vmalloc.c:3418
bpf_prog_alloc_no_stats+0x47/0x440 kernel/bpf/core.c:98
bpf_prog_alloc+0x3d/0x1b0 kernel/bpf/core.c:136
bpf_prog_load+0x6b8/0x16d0 kernel/bpf/syscall.c:2675
__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: 0033:0x7f4ccad8ebe9
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:00007f4ccbca3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4ccafb5fa0 RCX: 00007f4ccad8ebe9
RDX: 0000000000000090 RSI: 0000200000000240 RDI: 0000000000000005
RBP: 00007f4ccae11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4ccafb6038 R14: 00007f4ccafb5fa0 R15: 00007ffdf94979a8