rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10500 ticks this GP) idle=fbec/1/0x4000000000000000 softirq=14161/16062 fqs=5249
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   868656       2810            0
rcu: 	cputime:    28534      23925          130   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=7421 q=3638 ncpus=2)
CPU: 1 UID: 0 PID: 6233 Comm: syz.0.106 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #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:seqcount_lockdep_reader_access+0x17e/0x1c0
Code: 00 4d 85 e4 75 16 e8 a1 5f 11 00 eb 15 e8 9a 5f 11 00 e8 c5 bf bf 09 4d 85 e4 74 ea e8 8b 5f 11 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 66 43 c7 44 3e 09 00 00 43 c6 44 3e 0b 00
RSP: 0018:ffffc900001e0b80 EFLAGS: 00000246
RAX: ffffffff81aec965 RBX: 0000000000000000 RCX: ffff888108b98000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001e0c20 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000200
R13: dffffc0000000000 R14: 1ffff9200003c170 R15: dffffc0000000000
FS:  00007f6e61f2c6c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6f50028ba8 CR3: 0000000025e6e000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 ktime_get+0x3e/0x1f0
 mac80211_hwsim_beacon+0x15c/0x1c0
 __hrtimer_run_queues+0x52c/0xc60
 hrtimer_run_softirq+0x187/0x2b0
 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 8b 2d 21 f6 e8 c6 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:ffffc90006de75e0 EFLAGS: 00000282
RAX: f625c388eaf04400 RBX: 0000000000000000 RCX: f625c388eaf04400
RDX: 0000000000000006 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc90006de7690 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000dbcebc
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:should_fail_ex+0x5/0x560
Code: 8e 4c 89 f2 31 c9 e8 6a 81 cc ff e9 75 fe ff ff 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 <41> 57 41 56 41 55 41 54 53 48 83 ec 18 89 14 24 49 89 f6 48 89 fb
RSP: 0018:ffffc90006de7750 EFLAGS: 00000246
RAX: ffffffff84f4f189 RBX: ffffc90006de7bc8 RCX: ffff888108b98000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff8e8dc620
RBP: ffffc90006de78b0 R08: ffff888108b98000 R09: 0000000000000006
R10: 0000000000000005 R11: 0000000000000000 R12: 1ffff92000dbcf77
R13: 0000200000b80140 R14: ffffc90006de7bb8 R15: 0000000000008000
 _copy_from_iter+0x1db/0x16f0
 kcm_sendmsg+0xeb2/0x2a70
 __sock_sendmsg+0x21c/0x270
 sock_write_iter+0x258/0x330
 vfs_write+0x54b/0xa90
 ksys_write+0x145/0x250
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6e6118e9a9
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:00007f6e61f2c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6e613b5fa0 RCX: 00007f6e6118e9a9
RDX: 00000000fffffdef RSI: 0000200000000140 RDI: 000000000000000c
RBP: 00007f6e61210d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6e613b5fa0 R15: 00007fff1c572d78
 </TASK>
sched: DL replenish lagged too much
