rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...0: (1 GPs behind) idle=c75/1/0x4000000000000000 softirq=268516/268518 fqs=2100 
	(detected by 1, t=10505 jiffies, g=367953, q=1187 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 28739 Comm: syz-executor.2 Not tainted 5.19.0-rc6-syzkaller-00115-g4a57a8400075 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
RIP: 0010:__lock_acquire+0x3d/0x5660 kernel/locking/lockdep.c:4911
Code: d5 48 ba 00 00 00 00 00 fc ff df 53 48 89 fb 48 81 ec 08 01 00 00 48 8b 84 24 40 01 00 00 48 c7 84 24 88 00 00 00 b3 8a b5 41 <48> c7 84 24 90 00 00 00 c0 13 60 8b 48 c7 84 24 98 00 00 00 20 1b
RSP: 0018:ffffc90000007b80 EFLAGS: 00000082
RAX: 0000000000000000 RBX: ffffffff8bd845a0 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff8bd845a0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000001
FS:  00007f093cd27700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e922000 CR3: 000000001d8a3000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5665 [inline]
 lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630
 rcu_lock_acquire include/linux/rcupdate.h:269 [inline]
 rcu_read_lock include/linux/rcupdate.h:695 [inline]
 advance_sched+0x4a5/0x9a0 net/sched/sch_taprio.c:768
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x5b/0x570 kernel/locking/lockdep.c:5633
Code: 0c 24 48 c7 44 24 10 b3 8a b5 41 48 c1 eb 03 48 c7 44 24 18 65 0f 60 8b 48 01 d8 48 c7 44 24 20 c0 84 5d 81 c7 00 f1 f1 f1 f1 <c7> 40 04 f1 f1 00 00 c7 40 08 00 00 00 f3 c7 40 0c f3 f3 f3 f3 65
RSP: 0018:ffffc90003767478 EFLAGS: 00000282
RAX: fffff520006ece91 RBX: 1ffff920006ece91 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8beda380
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: ffffed10076a968b R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8beda380 R15: 0000000000000000
 fs_reclaim_acquire mm/page_alloc.c:4606 [inline]
 fs_reclaim_acquire+0xd2/0x160 mm/page_alloc.c:4597
 might_alloc include/linux/sched/mm.h:271 [inline]
 slab_pre_alloc_hook mm/slab.h:723 [inline]
 slab_alloc mm/slab.c:3285 [inline]
 __kmem_cache_alloc_lru mm/slab.c:3479 [inline]
 kmem_cache_alloc+0x3d/0x560 mm/slab.c:3499
 kmem_cache_zalloc include/linux/slab.h:723 [inline]
 lsm_inode_alloc security/security.c:594 [inline]
 security_inode_alloc+0x34/0x160 security/security.c:1024
 inode_init_always+0x5d8/0xd70 fs/inode.c:195
 alloc_inode+0x82/0x230 fs/inode.c:267
 new_inode_pseudo fs/inode.c:1018 [inline]
 new_inode+0x27/0x2f0 fs/inode.c:1047
 proc_pid_make_inode+0x26/0x3c0 fs/proc/base.c:1897
 proc_pident_instantiate+0x81/0x310 fs/proc/base.c:2612
 proc_pident_lookup+0x1ec/0x270 fs/proc/base.c:2648
 __lookup_slow+0x24c/0x480 fs/namei.c:1701
 lookup_slow fs/namei.c:1718 [inline]
 walk_component+0x40f/0x6a0 fs/namei.c:2014
 link_path_walk.part.0+0x7ef/0xf70 fs/namei.c:2341
 link_path_walk fs/namei.c:2266 [inline]
 path_openat+0x260/0x2910 fs/namei.c:3649
 do_filp_open+0x1aa/0x400 fs/namei.c:3680
 do_sys_openat2+0x16d/0x4c0 fs/open.c:1278
 do_sys_open fs/open.c:1294 [inline]
 __do_sys_openat fs/open.c:1310 [inline]
 __se_sys_openat fs/open.c:1305 [inline]
 __x64_sys_openat+0x13f/0x1f0 fs/open.c:1305
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f093bc3c024
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f093cd27090 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f093bd9bf60 RCX: 00007f093bc3c024
RDX: 0000000000000000 RSI: 00007f093bce20d5 RDI: 00000000ffffff9c
RBP: 00007f093bce20d5 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fff686ecfff R14: 00007f093cd27300 R15: 0000000000022000
 </TASK>