rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=d9c4/1/0x4000000000000000 softirq=26690/26690 fqs=5241
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   927469          1            0
rcu: 	cputime:    26019      26479           99   ==> 52500(ms)
rcu: 	(t=10501 jiffies g=19545 q=2391 ncpus=2)
CPU: 0 UID: 0 PID: 8668 Comm: syz.1.829 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:_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 4a 25 2d f6 48 89 df e8 a2 bc 2d f6 e8 0d 8e 56 f6 fb bf 01 00 00 00 <e8> 72 bc 1f f6 65 8b 05 1b e9 2e 07 85 c0 74 07 5b e9 81 4c 00 00
RSP: 0018:ffffc90000007c90 EFLAGS: 00000286
RAX: d1bab879bb639f00 RBX: ffff88804b025940 RCX: d1bab879bb639f00
RDX: 0000000000000000 RSI: ffffffff8d998940 RDI: 0000000000000001
RBP: ffffc90000007e10 R08: ffffffff8fa1e9f7 R09: 1ffffffff1f43d3e
R10: dffffc0000000000 R11: fffffbfff1f43d3f R12: ffff88804b025940
R13: 1ffff92000000fac R14: ffff8881103c1c08 R15: ffffc90000007d60
FS:  00007f50611b86c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2be632 CR3: 0000000105944000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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_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 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:ffffc9000a176ac0 EFLAGS: 00000282
RAX: d1bab879bb639f00 RBX: 0000000000000000 RCX: d1bab879bb639f00
RDX: 0000000000000000 RSI: ffffffff8d998940 RDI: 0000000000000001
RBP: ffffc9000a176b60 R08: ffffffff8fa1e9f7 R09: 1ffffffff1f43d3e
R10: dffffc0000000000 R11: fffffbfff1f43d3f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200142ed58
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:stack_depot_save_flags+0x55/0x900
Code: 04 0f 83 44 01 00 00 89 d3 49 89 fe 89 4c 24 04 e8 c0 a3 b6 fc 41 89 c2 31 c0 45 85 d2 0f 84 01 04 00 00 80 3d 1b 7f e7 14 00 <0f> 85 f4 03 00 00 43 8d 34 12 42 8d 2c d5 7b 71 f5 75 83 fe 04 72
RSP: 0018:ffffc9000a176c28 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000cc0 RCX: 0000000000000001
RDX: 0000000000000c01 RSI: 000000000000000f RDI: ffffc9000a176ca0
RBP: ffffc9000a176ed0 R08: 0000000000000000 R09: ffffffff81cf14a6
R10: 000000000000000f R11: ffffffff81ad0050 R12: 0000000000000040
R13: ffff88802481c800 R14: ffffc9000a176ca0 R15: ffffc9000a176c01
 kasan_save_track+0x4f/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_cache_noprof+0x230/0x3d0
 __request_module+0x2b5/0x5e0
 rtnl_newlink+0x64f/0x1c70
 rtnetlink_rcv_msg+0x7cf/0xb70
 netlink_rcv_skb+0x208/0x470
 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: 0033:0x7f506038e9a9
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:00007f50611b8038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f50605b5fa0 RCX: 00007f506038e9a9
RDX: 000000000000c000 RSI: 0000200000000040 RDI: 0000000000000003
RBP: 00007f5060410d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f50605b5fa0 R15: 00007fffb4949888
 </TASK>
sched: DL replenish lagged too much
