rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=a8cc/1/0x4000000000000000 softirq=22919/22926 fqs=4804
	(t=10500 jiffies g=30013 q=911 ncpus=2)
CPU: 1 PID: 7268 Comm: syz.9.710 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline]
RIP: 0010:bpf_ksym_find kernel/bpf/core.c:702 [inline]
RIP: 0010:is_bpf_text_address+0xd2/0x2a0 kernel/bpf/core.c:736
Code: 01 48 c7 c7 a0 f0 91 8a be 19 03 00 00 48 c7 c2 e0 f0 91 8a e8 5f 50 d6 ff 49 bd 00 00 00 00 00 fc ff df 44 8b 25 be a2 f3 0a <44> 89 e3 83 e3 01 4c 8d 3c dd b0 f3 80 8c 4c 89 f8 48 c1 e8 03 42
RSP: 0018:ffffc900001e03d0 EFLAGS: 00000246
RAX: ffffffff818d5059 RBX: 00007f4f8438ec29 RCX: ffff888027619dc0
RDX: 0000000000000100 RSI: ffffffff8adefc80 RDI: ffffffff8adefc40
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff215c449
R10: fffffbfff215c449 R11: 1ffffffff215c448 R12: 0000000000000a6c
R13: dffffc0000000000 R14: 00007f4f8438ec29 R15: 1ffff9200003c096
FS:  00007f4f852f26c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f852f1f98 CR3: 0000000067dad000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kernel_text_address+0x9c/0xd0 kernel/extable.c:125
 __kernel_text_address+0x9/0x30 kernel/extable.c:79
 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_slab_alloc+0x6b/0x80 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x4b/0x480 mm/slab.h:737
 slab_alloc_node mm/slub.c:3359 [inline]
 kmem_cache_alloc_node+0x14d/0x320 mm/slub.c:3404
 __alloc_skb+0xfc/0x7e0 net/core/skbuff.c:505
 __netdev_alloc_skb+0x107/0x4d0 net/core/skbuff.c:579
 netdev_alloc_skb include/linux/skbuff.h:3229 [inline]
 dev_alloc_skb include/linux/skbuff.h:3242 [inline]
 hsr_init_skb+0xdc/0x580 net/hsr/hsr_device.c:266
 send_hsr_supervision_frame+0xfe/0xa60 net/hsr/hsr_device.c:309
 hsr_announce+0x18e/0x340 net/hsr/hsr_device.c:399
 call_timer_fn+0x1a0/0x670 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1549 [inline]
 __run_timers+0x525/0x7c0 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:generic_exec_single+0x41e/0x490 kernel/smp.c:545
Code: 75 11 e8 15 e8 0a 00 48 85 db 75 16 e8 0b e8 0a 00 eb 15 e8 04 e8 0a 00 e8 3f 7c a1 08 48 85 db 74 ea e8 f5 e7 0a 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 44 25 00 00 00 00 00 66 43 c7 44
RSP: 0018:ffffc90003affa60 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff888027619dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003affb30 R08: dffffc0000000000 R09: fffffbfff215c469
R10: fffffbfff215c469 R11: 1ffffffff215c468 R12: dffffc0000000000
R13: 1ffff9200075ff50 R14: 0000000000000000 R15: 1ffff9200075ff71
 smp_call_function_single+0x34f/0x560 kernel/smp.c:784
 task_function_call kernel/events/core.c:120 [inline]
 perf_install_in_context+0x59a/0x8f0 kernel/events/core.c:2941
 __do_sys_perf_event_open kernel/events/core.c:12784 [inline]
 __se_sys_perf_event_open+0x1247/0x1e60 kernel/events/core.c:12378
 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: 0033:0x7f4f8438ec29
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:00007f4f852f2038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f4f845d5fa0 RCX: 00007f4f8438ec29
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007f4f84411e41 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4f845d6038 R14: 00007f4f845d5fa0 R15: 00007ffdaf16f838
 </TASK>