rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10526 ticks this GP) idle=4044/1/0x4000000000000000 softirq=16197/16198 fqs=4633
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   843148          0            0
rcu: 	cputime:    24110      28379          106   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=9361 q=2683 ncpus=2)
CPU: 0 UID: 0 PID: 6721 Comm: syz.2.370 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:_raw_spin_unlock_irq+0x29/0x50
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 1a 2a 2d f6 48 89 df e8 72 c1 2d f6 e8 dd 92 56 f6 fb bf 01 00 00 00 <e8> 42 c1 1f f6 65 8b 05 1b f9 2e 07 85 c0 74 07 5b e9 81 4c 00 00
RSP: 0018:ffffc90000007c90 EFLAGS: 00000286
RAX: deb52661d2399800 RBX: ffff88804b025940 RCX: deb52661d2399800
RDX: 0000000000000002 RSI: ffffffff8d998701 RDI: 0000000000000001
RBP: ffffc90000007e10 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff88804b025940
R13: 1ffff92000000fac R14: ffff88802ad15410 R15: ffffc90000007d60
FS:  00007fa5325566c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000018c0 CR3: 0000000032b78000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000f3060a
Call Trace:
 <IRQ>
 __run_timer_base+0x60a/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:nl80211_send_wiphy+0x136f/0x58d0
Code: 70 74 08 48 89 df e8 00 e3 5e f7 49 63 c6 48 89 03 48 8b 44 24 20 42 80 3c 28 00 48 8b 5c 24 18 74 08 48 89 df e8 f1 e1 5e f7 <48> 8b 1b 48 8b 44 24 38 42 0f b6 04 28 84 c0 4c 8b b4 24 80 00 00
RSP: 0018:ffffc90008c46ca0 EFLAGS: 00000246
RAX: 1ffff110055aba5a RBX: ffff88802ad5d2d0 RCX: 0000000000000002
RDX: ffff8880215c9cc0 RSI: 000000000000000e RDI: 000000000000000e
RBP: ffffc90008c47148 R08: 00000000000007d0 R09: 1ffff110248b206f
R10: dffffc0000000000 R11: ffffed10248b2070 R12: 000000000000000e
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888124590014
 nl80211_dump_wiphy+0x42f/0x6f0
 genl_dumpit+0x10b/0x1b0
 netlink_dump+0x6de/0xe60
 __netlink_dump_start+0x5cb/0x7e0
 genl_family_rcv_msg_dumpit+0x1e7/0x2c0
 genl_rcv_msg+0x5da/0x790
 netlink_rcv_skb+0x208/0x470
 genl_rcv+0x28/0x40
 netlink_unicast+0x75c/0x8e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa53178e9a9
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:00007fa532556038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa5319b5fa0 RCX: 00007fa53178e9a9
RDX: 0000000000000044 RSI: 0000200000000080 RDI: 000000000000000c
RBP: 00007fa531810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa5319b5fa0 R15: 00007ffffa8d9a48
 </TASK>
sched: DL replenish lagged too much
