rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=828c/1/0x4000000000000000 softirq=23340/23340 fqs=5247
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   976271          0            0
rcu: 	cputime:    25202      27287           92   ==> 52500(ms)
rcu: 	(t=10501 jiffies g=14845 q=2157 ncpus=2)
CPU: 0 UID: 0 PID: 8317 Comm: syz.2.1101 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:e1000_tx_csum+0x2c2/0x720
Code: 44 99 94 fb 45 01 ee 4c 8b 6c 24 18 49 c1 e5 04 4d 03 2c 24 4c 89 e8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 0f b6 04 20 <84> c0 0f 85 a9 02 00 00 41 c7 45 00 00 00 00 00 49 8d 5d 04 48 89
RSP: 0018:ffffc90000007298 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: dffffc0000000000
RDX: ffff8880241ed640 RSI: 0000000000000006 RDI: ffff88810502cea0
RBP: ffffc900025e8030 R08: ffff8880241ed640 R09: 0000000000000002
R10: 000000000000dd86 R11: 0000000000000100 R12: dffffc0000000000
R13: ffff888060400ce0 R14: 0000000000000022 R15: ffff8880238eac00
FS:  00007f49ef5f76c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000029c0 CR3: 00000001209da000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 e1000_xmit_frame+0x1002/0x55c0
 dev_hard_start_xmit+0x2d7/0x830
 sch_direct_xmit+0x241/0x4b0
 __qdisc_run+0xb16/0x15f0
 __dev_queue_xmit+0x1800/0x3a70
 lapb_data_transmit+0x90/0xb0
 lapb_transmit_buffer+0x163/0x200
 lapb_t1timer_expiry+0x699/0xab0
 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_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+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:ffffc9000305faa0 EFLAGS: 00000286
RAX: b5695ddaf13f7500 RBX: 0000000000000000 RCX: b5695ddaf13f7500
RDX: 0000000000000000 RSI: ffffffff8d998701 RDI: 0000000000000001
RBP: ffffc9000305fb40 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200060bf54
 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:ffffc9000305fc00 EFLAGS: 00000246
RAX: 1ffffd4000874719 RBX: ffffc9000305fcd0 RCX: 0000000000080000
RDX: ffffc9000930b000 RSI: 00000000000027d3 RDI: 00000000000027d4
RBP: dffffc0000000000 R08: ffffc9000305fcd0 R09: 00000000bca6ea86
R10: 000000000000000a R11: ffffffff81acf520 R12: ffffea00043a38c8
R13: 0000000000000000 R14: ffffea0000000000 R15: 00000000043a38c0
 kmem_cache_alloc_noprof+0x2bf/0x3c0
 alloc_empty_file+0x55/0x1d0
 alloc_file_pseudo+0x13d/0x210
 sock_alloc_file+0xb8/0x2e0
 __sys_socketpair+0x2db/0x560
 __x64_sys_socketpair+0x9b/0xb0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f49ef78eb69
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:00007f49ef5f7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007f49ef9b5fa0 RCX: 00007f49ef78eb69
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 00007f49ef811df1 R08: 0000000000000000 R09: 0000000000000000
R10: 00002000000029c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f49ef9b5fa0 R15: 00007fffd0283fd8
 </TASK>
sched: DL replenish lagged too much
