rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=e4a4/1/0x4000000000000000 softirq=14837/14837 fqs=5249
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1006705          0            0
rcu: 	cputime:    24470      28029           90   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=7141 q=4338 ncpus=2)
CPU: 0 UID: 0 PID: 6215 Comm: syz.0.92 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:kasan_check_range+0x9f/0x2c0
Code: 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 41 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00 <0f> 85 de 01 00 00 49 ff c3 48 ff c3 75 ee e9 21 01 00 00 44 89 dd
RSP: 0018:ffffc900000075c8 EFLAGS: 00000246
RAX: ffffffff81a0e201 RBX: ffffffffffffffff RCX: ffffffff81a0e2c2
RDX: 0000000000000001 RSI: 0000000000000020 RDI: ffffc90000007700
RBP: 0000000000000000 R08: ffffc9000000771f R09: 1ffff92000000ee3
R10: dffffc0000000000 R11: fffff52000000ee3 R12: 0000000000000004
R13: 00000000ffffffff R14: fffff52000000ee4 R15: 1ffff92000000ee0
FS:  00007fa24be706c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000029000 CR3: 0000000027738000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __asan_memset+0x22/0x50
 vprintk_store+0xe2/0xd00
 vprintk_emit+0x21e/0x7a0
 _printk+0xcf/0x120
 clocksource_watchdog+0xdca/0x11c0
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0x67/0x180
 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 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:ffffc90006e27440 EFLAGS: 00000286
RAX: cf9c039fbcb47900 RBX: 0000000000000000 RCX: cf9c039fbcb47900
RDX: 0000000000000007 RSI: ffffffff8d998874 RDI: 0000000000000001
RBP: ffffc90006e274f0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000dc4e88
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:do_user_addr_fault+0x5be/0x1390
Code: 48 83 7c 24 68 00 48 89 6c 24 18 48 89 5c 24 48 75 6a 4c 89 6c 24 08 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 60 80 3c 01 00 <48> 8b 5c 24 50 74 08 48 89 df e8 d3 97 af 00 4c 8b 2b 4d 85 ed 0f
RSP: 0018:ffffc90006e275b8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11004160443
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88810debf500 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff34039ac R12: ffff88810debf500
R13: 0000200000029000 R14: 0000000000000000 R15: 0000000000000214
 exc_page_fault+0x76/0xf0
 asm_exc_page_fault+0x26/0x30
RIP: 0010:rep_movs_alternative+0x75/0x90
Code: 05 c3 cc cc cc cc 48 8b 06 48 89 07 48 8d 47 08 48 83 e0 f8 48 29 f8 48 01 c7 48 01 c6 48 29 c1 48 89 c8 48 c1 e9 03 83 e0 07 <f3> 48 a5 89 c1 85 c9 75 91 e9 fd 00 04 00 48 8d 0c c8 eb 86 cc cc
RSP: 0018:ffffc90006e27758 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888031c80000 RCX: 0000000000001634
RDX: 0000000000000001 RSI: 0000200000029000 RDI: ffff888031ca8e40
RBP: ffffc90006e278b0 R08: ffff888031cb3fdf R09: 1ffff110063967fb
R10: dffffc0000000000 R11: ffffed10063967fc R12: 1ffff92000dc4fbf
R13: 00002000000001c0 R14: ffffc90006e27e08 R15: 0000000000033fe0
 _copy_from_iter+0x24c/0x16f0
 netlink_sendmsg+0x6b2/0xb30
 __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: 0033:0x7fa24af8e9a9
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:00007fa24be70038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa24b1b5fa0 RCX: 00007fa24af8e9a9
RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000009
RBP: 00007fa24b010d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa24b1b5fa0 R15: 00007ffc73eb8558
 </TASK>
sched: DL replenish lagged too much
