clocksource: Long readout interval, skipping watchdog check: cs_nsec: 38100273724 wd_nsec: 38100274591
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10493 ticks this GP) idle=0d24/1/0x4000000000000000 softirq=51207/51224 fqs=4495
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   969416         17            0
rcu: 	cputime:    33107      19381          100   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=43637 q=1267 ncpus=2)
CPU: 1 UID: 0 PID: 13007 Comm: syz.5.2087 Not tainted syzkaller #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:native_apic_msr_write+0x39/0x50
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 cc cc cc cc cc f3 0f 1e fa 89 f6 31 d2 e9 12 65 8e 03 66
RSP: 0018:ffffc900001dff68 EFLAGS: 00000246
RAX: 00000000000000f6 RBX: 0000000000000200 RCX: 000000000000083f
RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
RBP: ffffc900001e0040 R08: ffffc900001dffc7 R09: 1ffff9200003bff8
R10: dffffc0000000000 R11: fffff5200003bff9 R12: ffff888043cdbc01
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881366314b0
FS:  00007f1d244346c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcf31505000 CR3: 000000001e97a000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_irq_work_raise+0x6d/0x80
 __irq_work_queue_local+0x1d7/0x550
 irq_work_queue+0x99/0x140
 __perf_event_overflow+0x87f/0xe10
 perf_swevent_event+0x2f4/0x5e0
 perf_tp_event+0x4f6/0x1380
 perf_trace_run_bpf_submit+0xee/0x170
 perf_trace_lock+0x2f8/0x3b0
 lock_release+0x3b2/0x3e0
 unwind_next_frame+0x19a9/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5b/0x80
 kfree+0x18e/0x440
 slab_free_after_rcu_debug+0x60/0x2a0
 rcu_core+0xcab/0x1770
 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:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 2f c7 ea 09 e8 5a 3f 36 00 fb 4c 8b 65 c0 <49> 8d bc 24 18 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90002b7f998 EFLAGS: 00000282
RAX: 0a0c87a572cc8b00 RBX: 0000000000000000 RCX: 0a0c87a572cc8b00
RDX: 0000000000000007 RSI: ffffffff8d9b6a7d RDI: ffffffff8be33300
RBP: ffffc90002b7f9f0 R08: ffffffff8fa38037 R09: 1ffffffff1f47006
R10: dffffc0000000000 R11: fffffbfff1f47007 R12: ffff88802ea13980
R13: dffffc0000000000 R14: ffff88801ca81cc0 R15: ffff88813663ab58
 __schedule+0x17a0/0x4cc0
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:qlist_free_all+0x6d/0x140
Code: 4c 04 08 f6 c1 01 75 53 49 01 c4 0f 1f 44 00 00 41 0f b6 44 24 33 c1 e0 18 3d 00 00 00 f5 4d 0f 45 e5 4d 8b 64 24 08 49 8b 2f <49> 63 84 24 c0 00 00 00 49 29 c7 4c 89 e7 4c 89 fe e8 bd e3 ff ff
RSP: 0018:ffffc90002b7fd98 EFLAGS: 00000246
RAX: 00000000f5000000 RBX: ffffc90002b7fdd0 RCX: ffff88801a44b780
RDX: ffffc90028be1000 RSI: 0000000000003a56 RDI: 0000000000003a57
RBP: ffff888126b6c1c0 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f47007 R12: ffff88801a44b780
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888027ef3a80
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 getname_flags+0xb8/0x540
 __x64_sys_mkdirat+0x7a/0xa0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1d2358eba9
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:00007f1d24434038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f1d237d5fa0 RCX: 00007f1d2358eba9
RDX: 00000000000001ff RSI: 0000200000000140 RDI: ffffffffffffff9c
RBP: 00007f1d23611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1d237d6038 R14: 00007f1d237d5fa0 R15: 00007ffe81548ba8
 </TASK>
