rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10500 ticks this GP) idle=1984/1/0x4000000000000000 softirq=30911/30911 fqs=4827
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   950198          0            0
rcu: 	cputime:    24445      28034           95   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=24077 q=1807 ncpus=2)
CPU: 1 UID: 0 PID: 10523 Comm: syz.0.2048 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_quarantine_put+0x95/0x220
Code: 9c 8f 04 24 f7 04 24 00 02 00 00 0f 85 88 00 00 00 41 f7 c7 00 02 00 00 74 01 fb 31 c0 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f <e9> 06 09 4e 09 cc 48 8d 80 00 56 a1 92 45 8b 76 18 48 83 38 00 74
RSP: 0018:ffffc900001e0b48 EFLAGS: 00000292
RAX: bdf882f1b46bbd01 RBX: ffff88810619c380 RCX: bdf882f1b46bbd00
RDX: 0000000000000003 RSI: ffffffff8d99883e RDI: ffffffff8be29f40
RBP: 0000000000000000 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff88801a441780
R13: 0000000000000000 R14: ffffffff821919f0 R15: ffffea0004186700
FS:  00007fbeb0f7f6c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3031aff8 CR3: 000000010efca000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kfree+0x18e/0x440
 slab_free_after_rcu_debug+0x60/0x2a0
 rcu_core+0xca8/0x1710
 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:rcu_read_unlock_special+0x0/0x4c0
Code: 89 fd 4c 89 f7 e8 d0 68 7b 00 4c 89 ef e9 7a ff ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48
RSP: 0018:ffffc900035d7600 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff88811242a104 RCX: bdf882f1b46bbd00
RDX: 0000000000000001 RSI: ffffffff8db8655b RDI: ffff888112429cc0
RBP: dffffc0000000000 R08: ffffc900035d7840 R09: 0000000000000000
R10: ffffc900035d7758 R11: fffff520006baeed R12: 1ffff11022485420
R13: ffffc900035d0000 R14: ffff88811242a108 R15: dffffc0000000000
 __rcu_read_unlock+0x84/0xe0
 unwind_next_frame+0x19ae/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 tomoyo_encode+0x28b/0x550
 tomoyo_realpath_from_path+0x58d/0x5d0
 tomoyo_path_number_perm+0x1e8/0x5a0
 security_file_ioctl+0xcb/0x2d0
 __se_sys_ioctl+0x47/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbeb018e9a9
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:00007fbeb0f7f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fbeb03b5fa0 RCX: 00007fbeb018e9a9
RDX: 0000200000000000 RSI: 0000000000008916 RDI: 0000000000000007
RBP: 00007fbeb0210d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbeb03b5fa0 R15: 00007ffc45039758
 </TASK>
sched: DL replenish lagged too much
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 104770017359 wd_nsec: 104770019723
