rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=7bec/1/0x4000000000000000 softirq=28949/28949 fqs=5247
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1019367          0            0
rcu: 	cputime:    23919      28560           89   ==> 52490(ms)
rcu: 	(t=10501 jiffies g=21689 q=3481 ncpus=2)
CPU: 0 UID: 0 PID: 9910 Comm: syz.2.1781 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-dirty #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:check_slab_allocation+0x2c/0x130
Code: 41 56 41 54 53 48 89 d3 49 89 f6 49 89 ff 4c 8b 25 51 58 98 0b 48 89 f7 e8 01 62 51 ff 48 c1 e8 06 48 83 e0 c0 49 8b 4c 04 08 <f6> c1 01 0f 85 91 00 00 00 49 01 c4 0f 1f 44 00 00 41 0f b6 44 24
RSP: 0018:ffffc90000007ab8 EFLAGS: 00000206
RAX: 000000000433ebc0 RBX: ffffffff89e2a7d8 RCX: ffff88801e30e000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000021a110 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffffea0000000000
R13: 0000000000000000 R14: ffff88810cfaf100 R15: ffff88801e30e000
FS:  00007fbff93436c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001340 CR3: 000000010c51a000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kmem_cache_free+0x140/0x400
 inet_twsk_kill+0x4b8/0x840
 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:ffffc9000483fb40 EFLAGS: 00000286
RAX: 95fe44cc801b4900 RBX: 0000000000000000 RCX: 95fe44cc801b4900
RDX: 0000000000000000 RSI: ffffffff8d998701 RDI: 0000000000000001
RBP: ffffc9000483fbe0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000907f68
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__memcg_slab_post_alloc_hook+0x27e/0x7f0
Code: 10 1a 90 0b 4c 89 ff e8 c0 23 49 ff 49 89 c7 49 c1 ef 06 49 83 e7 c0 4f 8d 24 3e 49 83 c4 08 4c 89 e0 48 c1 e8 03 80 3c 28 00 <74> 08 4c 89 e7 e8 08 f7 f7 ff 49 8b 04 24 a8 01 0f 85 f5 02 00 00
RSP: 0018:ffffc9000483fca0 EFLAGS: 00000246
RAX: 1ffffd40000ef3d9 RBX: ffffc9000483fd78 RCX: 0000000000080000
RDX: ffffc90025c99000 RSI: 0000000000000368 RDI: 0000000000000369
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff822be719
R10: ffffc9000483f848 R11: fffff52000907f0b R12: ffffea0000779ec8
R13: 0000000000000000 R14: ffffea0000000000 R15: 0000000000779ec0
 kmem_cache_alloc_lru_noprof+0x2c7/0x3d0
 sock_alloc_inode+0x28/0xc0
 alloc_inode+0x6a/0x1b0
 __sock_create+0x12d/0x9f0
 __sys_socket+0xd7/0x1b0
 __x64_sys_socket+0x7a/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbff858eb69
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:00007fbff9343038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fbff87b5fa0 RCX: 00007fbff858eb69
RDX: 0000000000000300 RSI: 0200000000000002 RDI: 0000000000000011
RBP: 00007fbff8611df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbff87b5fa0 R15: 00007ffd6ed0ec88
 </TASK>
sched: DL replenish lagged too much
