rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10500 ticks this GP) idle=89a4/1/0x4000000000000000 softirq=21295/21295 fqs=4812
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   916191          0            0
rcu: 	cputime:    24465      28023          101   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=8677 q=3403 ncpus=2)
CPU: 1 UID: 0 PID: 6242 Comm: syz.1.106 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-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:arch_stack_walk+0x11c/0x150
Code: ff ff 4c 89 ff e8 e4 29 09 00 48 85 c0 74 24 48 89 df 48 89 c6 4d 89 f3 2e e8 a0 e9 07 0a 84 c0 74 11 4c 89 ff e8 14 2b 09 00 <83> bd 78 ff ff ff 00 75 cf 65 48 8b 05 e3 90 36 11 48 3b 45 d8 75
RSP: 0018:ffffc900001e0408 EFLAGS: 00000292
RAX: 0000000090b81f01 RBX: ffffc900001e04c0 RCX: 8f5eebdbe7b5b900
RDX: 0000000000000000 RSI: ffffffff8d998940 RDI: ffffffff8be29f40
RBP: ffffc900001e0490 R08: ffffffff8fa1e9f7 R09: 1ffffffff1f43d3e
R10: dffffc0000000000 R11: fffffbfff1f43d3f R12: ffff8881064a8000
R13: dffffc0000000000 R14: ffffffff81ad0050 R15: ffffc900001e0408
FS:  00007f10ffcc86c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb52dbb7bac CR3: 000000010effe000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_mempool_unpoison_object+0xa0/0x170
 napi_skb_cache_get+0x37b/0x6d0
 __alloc_skb+0x11e/0x2d0
 napi_alloc_skb+0x84/0x7d0
 e1000_clean_rx_irq+0x448/0x1170
 e1000_clean+0xca4/0x2b00
 __napi_poll+0xc7/0x480
 net_rx_action+0x707/0xe30
 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 8b 1d 21 f6 e8 c6 f0 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:ffffc90007937c40 EFLAGS: 00000286
RAX: 8f5eebdbe7b5b900 RBX: 0000000000000000 RCX: 8f5eebdbe7b5b900
RDX: 0000000000000000 RSI: ffffffff8d998940 RDI: 0000000000000001
RBP: ffffc90007937cf0 R08: ffffffff8fa1e9f7 R09: 1ffffffff1f43d3e
R10: dffffc0000000000 R11: fffffbfff1f43d3f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000f26f88
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:kmem_cache_free+0x4/0x400
Code: a8 01 0f 84 58 ff ff ff 48 ff c8 49 89 c4 e9 4d ff ff ff 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <55> 41 57 41 56 41 55 41 54 53 48 83 ec 18 48 89 f3 65 48 8b 05 f3
RSP: 0018:ffffc90007937db8 EFLAGS: 00000283
RAX: ffffffff8236bb57 RBX: 0000000000000009 RCX: 0000000000080000
RDX: ffffc90007259000 RSI: ffff888123e15500 RDI: ffff88801b68f640
RBP: ffffc90007937e90 R08: ffff8881064a8000 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000002 R12: 1ffff92000f26fbc
R13: ffffc90007937ea0 R14: ffff888123e15500 R15: ffff8880272e6200
 do_sys_openat2+0x154/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f10fed8e9a9
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:00007f10ffcc8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f10fefb5fa0 RCX: 00007f10fed8e9a9
RDX: 0000000000000040 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f10fee10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f10fefb5fa0 R15: 00007ffecb13aa98
 </TASK>
sched: DL replenish lagged too much
