rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6130/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=14677, q=625 ncpus=2)
task:syz.2.19        state:R  running task     stack:25888 pid:6130  tgid:6126  ppid:5949   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x14bc/0x5000 kernel/sched/core.c:6863
 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7190
 irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x16c/0x340 kernel/locking/lockdep.c:5872
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 d4 38 e0 10 <48> 3b 44 24 58 0f 85 e5 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90003af72d8 EFLAGS: 00000206
RAX: 7a6377b3f247c900 RBX: 0000000000000000 RCX: 7a6377b3f247c900
RDX: 000000005a44979c RSI: ffffffff8d979277 RDI: ffffffff8bc08360
RBP: ffffffff81743f85 R08: ffffffff81743f85 R09: ffffffff8df41a20
R10: ffffc90003af7498 R11: ffffffff81ada120 R12: 0000000000000002
R13: ffffffff8df41a20 R14: 0000000000000000 R15: 0000000000000246
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:867 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1195 [inline]
 unwind_next_frame+0xc2/0x23d0 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:56 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
 poison_kmalloc_redzone mm/kasan/common.c:397 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:414
 kasan_kmalloc include/linux/kasan.h:262 [inline]
 __do_kmalloc_node mm/slub.c:5657 [inline]
 __kmalloc_node_noprof+0x57a/0x820 mm/slub.c:5663
 kmalloc_array_node_noprof include/linux/slab.h:1075 [inline]
 alloc_slab_obj_exts+0x3e/0x100 mm/slub.c:2123
 __memcg_slab_post_alloc_hook+0x330/0x730 mm/memcontrol.c:3197
 memcg_slab_post_alloc_hook mm/slub.c:2338 [inline]
 slab_post_alloc_hook mm/slub.c:4964 [inline]
 slab_alloc_node mm/slub.c:5263 [inline]
 kmem_cache_alloc_lru_noprof+0x41f/0x6e0 mm/slub.c:5282
 __d_alloc+0x37/0x6f0 fs/dcache.c:1730
 d_alloc_pseudo+0x21/0xc0 fs/dcache.c:1861
 alloc_path_pseudo fs/file_table.c:363 [inline]
 alloc_file_pseudo+0xcc/0x210 fs/file_table.c:379
 __anon_inode_getfile fs/anon_inodes.c:166 [inline]
 anon_inode_getfile+0xc5/0x1a0 fs/anon_inodes.c:204
 bpf_link_prime+0xfc/0x220 kernel/bpf/syscall.c:3448
 bpf_raw_tp_link_attach+0x49a/0x6c0 kernel/bpf/syscall.c:4259
 bpf_raw_tracepoint_open+0x1b2/0x220 kernel/bpf/syscall.c:4296
 __sys_bpf+0x73e/0x860 kernel/bpf/syscall.c:6206
 __do_sys_bpf kernel/bpf/syscall.c:6274 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6272 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6272
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb99358f749
RSP: 002b:00007fb99448f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fb9937e5fa0 RCX: 00007fb99358f749
RDX: 0000000000000010 RSI: 0000200000000540 RDI: 0000000000000011
RBP: 00007fb993613f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb9937e6038 R14: 00007fb9937e5fa0 R15: 00007ffc8183b988
 </TASK>