rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2660 jiffies s: 53717 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5089 Comm: syz-executor.0 Not tainted 6.7.0-rc4-next-20231207-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:103 [inline]
RIP: 0010:lock_acquire kernel/locking/lockdep.c:5750 [inline]
RIP: 0010:lock_acquire+0x15c/0x530 kernel/locking/lockdep.c:5719
Code: e9 03 0f b6 0c 01 48 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 8d 03 00 00 8b 92 bc 0a 00 00 85 d2 0f 85 d2 00 00 00 9c <8f> 44 24 08 48 8b 6c 24 08 fa 48 c7 c7 e0 be cc 8a e8 3e 6c 1f 09
RSP: 0018:ffffc90000007be0 EFLAGS: 00000046
RAX: 0000000000000007 RBX: 1ffff92000000f7f RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8b2f2ac0 RDI: ffff888079c5287c
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1e72af2
R10: ffffffff8f395797 R11: 0000000000000002 R12: 0000000000000001
R13: 0000000000000000 R14: ffffffff92b80b58 R15: 0000000000000000
FS:  00005555558cd480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f332e4ffd83 CR3: 0000000031e1c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x3a/0x50 kernel/locking/spinlock.c:162
 debug_object_activate+0x195/0x540 lib/debugobjects.c:708
 debug_hrtimer_activate kernel/time/hrtimer.c:422 [inline]
 debug_activate kernel/time/hrtimer.c:477 [inline]
 enqueue_hrtimer+0x25/0x320 kernel/time/hrtimer.c:1087
 __run_hrtimer kernel/time/hrtimer.c:1705 [inline]
 __hrtimer_run_queues+0xa0f/0xc20 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x10c/0x410 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:lock_acquire+0x1f2/0x530 kernel/locking/lockdep.c:5722
Code: c1 05 7a 05 9a 7e 83 f8 01 0f 85 c4 02 00 00 9c 58 f6 c4 02 0f 85 af 02 00 00 48 85 ed 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc900000e7c40 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff9200001cf8a RCX: 000000008a5acf67
RDX: 0000000000000001 RSI: ffffffff8accbf20 RDI: ffffffff8b2f2b40
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff24257e8
R10: ffffffff9212bf47 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8d1ab9a0 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
 rcu_read_lock include/linux/rcupdate.h:744 [inline]
 percpu_ref_put_many include/linux/percpu-refcount.h:330 [inline]
 percpu_ref_put include/linux/percpu-refcount.h:351 [inline]
 css_put include/linux/cgroup_refcnt.h:79 [inline]
 __memcg_slab_pre_alloc_hook mm/slub.c:1923 [inline]
 memcg_slab_pre_alloc_hook mm/slub.c:1950 [inline]
 slab_pre_alloc_hook mm/slub.c:3770 [inline]
 slab_alloc_node mm/slub.c:3846 [inline]
 kmem_cache_alloc_lru+0x40c/0x6f0 mm/slub.c:3883
 alloc_inode_sb include/linux/fs.h:3016 [inline]
 sock_alloc_inode+0x25/0x1c0 net/socket.c:308
 alloc_inode+0x5d/0x220 fs/inode.c:260
 new_inode_pseudo+0x16/0x80 fs/inode.c:1005
 sock_alloc+0x40/0x270 net/socket.c:634
 __sock_create+0xbc/0x800 net/socket.c:1533
 sock_create net/socket.c:1620 [inline]
 __sys_socket_create net/socket.c:1657 [inline]
 __sys_socket+0x14b/0x260 net/socket.c:1704
 __do_sys_socket net/socket.c:1718 [inline]
 __se_sys_socket net/socket.c:1716 [inline]
 __x64_sys_socket+0x72/0xb0 net/socket.c:1716
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f4dcb27e927
Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff4d392b78 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f4dcb3761a0 RCX: 00007f4dcb27e927
RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 00007fff4d3932bc R08: 0000000000000000 R09: 00007fff4d392fa7
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000032
R13: 00000000002d71dc R14: 0000000000000000 R15: 0000000000000001
 </TASK>