rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=b81/1/0x4000000000000000 softirq=13722/13723 fqs=5241 
	(detected by 1, t=10502 jiffies, g=17885, q=1811)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6873 Comm: syz.4.797 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:__lock_acquire+0x19b6/0x7d40 kernel/locking/lockdep.c:5021
Code: 0f 8c 0e e9 ff ff 4c 89 f7 e8 16 5b 61 00 49 b8 00 00 00 00 00 fc ff df e9 f7 e8 ff ff 48 c7 c1 80 bf 11 97 80 e1 07 80 c1 03 <38> c1 0f 8c fd e8 ff ff 48 c7 c7 80 bf 11 97 e8 e6 5a 61 00 49 b8
RSP: 0018:ffffc90000007280 EFLAGS: 00000006
RAX: 0000000000000004 RBX: ffffffff9097e090 RCX: ffffffff9711bf03
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8d11efa0
RBP: ffffc900000074c8 R08: dffffc0000000000 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff1cd6506 R12: 0000000000000000
R13: ffffffff9097e0d0 R14: ffff88802b166428 R15: 0000000000000001
FS:  00007fde050706c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc693a99b44 CR3: 00000000199b3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 lock_acquire+0x19f/0x400 kernel/locking/lockdep.c:5737
 rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:313
 rcu_read_lock include/linux/rcupdate.h:740 [inline]
 __perf_event_output kernel/events/core.c:7810 [inline]
 perf_event_output_forward+0xbc/0x2e0 kernel/events/core.c:7832
 __perf_event_overflow+0x35f/0x550 kernel/events/core.c:9525
 perf_tp_event+0x324/0xbe0 kernel/events/core.c:10057
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10031
 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
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 82 fc 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007c60 EFLAGS: 00000206
RAX: 95b8392482a46100 RBX: 1ffff92000000f90 RCX: 95b8392482a46100
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a4c00
RBP: ffffc90000007d30 R08: ffff8880b8e3b30b R09: 1ffff110171c7661
R10: dffffc0000000000 R11: ffffed10171c7662 R12: ffffffff8d123400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 rebalance_domains+0x88d/0x9b0 kernel/sched/fair.c:10660
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__srcu_read_unlock+0x45/0x60 kernel/rcu/srcutree.c:420
Code: 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 f7 e8 7c e5 59 00 4d 8b 36 48 63 db 83 fb 03 73 0a 65 49 ff 44 de 10 <5b> 41 5e c3 48 c7 c7 c0 20 12 8d 48 89 de e8 58 c7 a4 02 eb e5 66
RSP: 0018:ffffc9000337ef78 EFLAGS: 00000203
RAX: 1ffffffff1a3e6a8 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8d1f3310
RBP: ffffc9000337f1b8 R08: ffffffff8e6b282f R09: 1ffffffff1cd6505
R10: dffffc0000000000 R11: fffffbfff1cd6506 R12: 0000000000000001
R13: ffff888017841280 R14: 0000000000036280 R15: ffff888017841280
 __kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook+0x4c/0x380 mm/slab.h:519
 slab_alloc_node mm/slub.c:3225 [inline]
 __kmalloc_node+0x1ae/0x3a0 mm/slub.c:4456
 kmalloc_node include/linux/slab.h:630 [inline]
 __vmalloc_area_node mm/vmalloc.c:2918 [inline]
 __vmalloc_node_range+0x2dd/0x8b0 mm/vmalloc.c:3037
 __vmalloc_node mm/vmalloc.c:3087 [inline]
 vmalloc+0x75/0x80 mm/vmalloc.c:3120
 bpf_prog_calc_tag+0xe1/0x710 kernel/bpf/core.c:281
 resolve_pseudo_ldimm64+0xcc/0xfd0 kernel/bpf/verifier.c:11871
 bpf_check+0x2c59/0xf5f0 kernel/bpf/verifier.c:14173
 bpf_prog_load+0xfdf/0x14e0 kernel/bpf/syscall.c:2354
 __sys_bpf+0x532/0x6f0 kernel/bpf/syscall.c:4657
 __do_sys_bpf kernel/bpf/syscall.c:4761 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4759 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4759
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fde06e18559
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:00007fde05070028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fde0709ffa0 RCX: 00007fde06e18559
RDX: 0000000000000080 RSI: 0000200000000440 RDI: 0000000000000005
RBP: 00007fde06eaf8b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fde070a0038 R14: 00007fde0709ffa0 R15: 00007ffeb1d3fea8
 </TASK>