rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=eb84/1/0x4000000000000000 softirq=13908/13910 fqs=4551
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   922131          0            0
rcu: 	cputime:    28167      24321          106   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=8165 q=3611 ncpus=2)
CPU: 1 UID: 0 PID: 6217 Comm: syz.2.140 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 9b 93 56 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> e3 c1 1f f6 65 8b 05 bc f9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900001e0940 EFLAGS: 00000206
RAX: 392d650f1ce26400 RBX: 0000000000000a06 RCX: 392d650f1ce26400
RDX: 0000000000000002 RSI: ffffffff8d9986f9 RDI: 0000000000000001
RBP: ffffc900001e09c0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: ffffffff99e29a20 R14: ffffffff99e299e0 R15: 1ffff9200003c128
FS:  00007f1d91e286c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe125f6c58 CR3: 000000010ff46000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __wake_up_common_lock+0x190/0x1f0
 aoenet_xmit+0x13b/0x1a0
 aoecmd_cfg+0x765/0x7c0
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 5b 22 21 f6 e8 96 f5 57 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90004fbf8e0 EFLAGS: 00000282
RAX: 392d650f1ce26400 RBX: 0000000000000000 RCX: 392d650f1ce26400
RDX: 0000000000000000 RSI: ffffffff8d9986f9 RDI: 0000000000000001
RBP: ffffc90004fbf980 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920009f7f1c
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:rcu_read_unlock_special+0xef/0x4c0
Code: 41 5e 41 5f 5d c3 cc cc cc cc cc 49 89 ff 48 c7 84 24 80 00 00 00 00 00 00 00 9c 8f 84 24 80 00 00 00 4c 8b a4 24 80 00 00 00 <fa> 41 f7 c4 00 02 00 00 74 0f e8 72 d2 1f 00 66 45 85 f6 0f 84 eb
RSP: 0018:ffffc90004fbfa40 EFLAGS: 00000246
RAX: f2f2f200f1f1f1f1 RBX: 1ffff920009f7f50 RCX: 392d650f1ce26400
RDX: 0000000000000000 RSI: ffffffff8db863da RDI: ffff888021d00000
RBP: ffffc90004fbfb28 R08: 0000000000000000 R09: ffffffff822be585
R10: ffff88811c8838f8 R11: ffffffff81acf520 R12: 0000000000000246
R13: dffffc0000000000 R14: 0000000080000000 R15: ffff888021d00000
 __rcu_read_unlock+0x84/0xe0
 get_mem_cgroup_from_objcg+0x1b0/0x1d0
 __memcg_slab_post_alloc_hook+0x12a/0x7f0
 kmem_cache_alloc_lru_noprof+0x2c7/0x3d0
 __d_alloc+0x31/0x6f0
 d_alloc_pseudo+0x1f/0xb0
 alloc_file_pseudo+0xcc/0x210
 sock_alloc_file+0xb8/0x2e0
 __sys_socketpair+0x387/0x560
 __x64_sys_socketpair+0x9b/0xb0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1d90f8eb69
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:00007f1d91e28038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007f1d911b5fa0 RCX: 00007f1d90f8eb69
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001
RBP: 00007f1d91011df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1d911b5fa0 R15: 00007ffcacb72a18
 </TASK>
sched: DL replenish lagged too much
