clocksource: Long readout interval, skipping watchdog check: cs_nsec: 103749453888 wd_nsec: 103749473056
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (54 ticks this GP) idle=cdbc/1/0x4000000000000000 softirq=22677/22677 fqs=4670
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:    10459          2            0
rcu: 	cputime:      355        174            1   ==> 530(ms)
rcu: 	(t=10500 jiffies g=10925 q=2962 ncpus=2)
CPU: 1 UID: 0 PID: 7256 Comm: syz.2.403 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:tcp_v4_do_rcv+0x4c8/0xce0
Code: 8b 86 58 01 00 00 48 89 44 24 08 4d 8d ae 84 00 00 00 4d 89 ef 49 c1 ef 03 41 0f b6 04 1f 84 c0 0f 85 ab 05 00 00 45 8b 65 00 <48> 8b 04 24 48 8d a8 98 00 00 00 48 89 e8 48 c1 e8 03 0f b6 04 18
RSP: 0018:ffffc900001dfea8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888110813980
RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200003bfd0 R12: 0000000000000000
R13: ffff88810a09a784 R14: ffff88810a09a700 R15: 1ffff110214134f0
FS:  00007fd3473f66c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd3473b4d58 CR3: 0000000107b22000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 tcp_v4_rcv+0x2676/0x2f00
 ip_protocol_deliver_rcu+0x221/0x440
 ip_local_deliver_finish+0x2fb/0x580
 NF_HOOK+0x30c/0x3a0
 ip_sublist_rcv_finish+0x21d/0x2a0
 ip_sublist_rcv+0x6e7/0x9b0
 ip_list_rcv+0x3e2/0x430
 __netif_receive_skb_list_core+0x7d2/0x800
 netif_receive_skb_list_internal+0x975/0xcc0
 gro_receive_skb+0x642/0xce0
 e1000_clean_rx_irq+0x980/0x1170
 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_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 1b 2d 21 f6 e8 56 00 58 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:ffffc900068cf8e0 EFLAGS: 00000282
RAX: 7484d9ab6ce72e00 RBX: 0000000000000000 RCX: 7484d9ab6ce72e00
RDX: 0000000000000000 RSI: ffffffff8d998874 RDI: 0000000000000001
RBP: ffffc900068cf990 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000d19f1c
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:memset_orig+0x3a/0xb0
Code: 01 48 0f af c1 41 89 f9 41 83 e1 07 75 74 48 89 d1 48 c1 e9 06 74 39 66 0f 1f 84 00 00 00 00 00 48 ff c9 48 89 07 48 89 47 08 <48> 89 47 10 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89
RSP: 0018:ffffc900068cfa58 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000cc0 RCX: 0000000000000000
RDX: 0000000000000200 RSI: 0000000000000000 RDI: ffffc900068cfc20
RBP: ffffc900068cfc88 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc900068cfa60 R11: ffffed10228a56e9 R12: 0000000000000168
R13: ffff8881070d2e00 R14: ffff8881070d2f68 R15: ffffc900068cfa60
 kasan_save_track+0x2f/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 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: 0033:0x7fd34958e9a9
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:00007fd3473f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007fd3497b5fa0 RCX: 00007fd34958e9a9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000001
RBP: 00007fd349610d69 R08: 0000000000000000 R09: 0000000000000000
R10: 00002000000029c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd3497b5fa0 R15: 00007ffe167fa8a8
 </TASK>
sched: DL replenish lagged too much
