rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (330 ticks this GP) idle=85fc/1/0x4000000000000000 softirq=14607/14607 fqs=141
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:    61039          0            0
rcu: 	cputime:     2170       1086            5   ==> 3260(ms)
rcu: 	(t=10500 jiffies g=8337 q=1548 ncpus=2)
CPU: 1 UID: 0 PID: 6268 Comm: syz.0.104 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:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 4b 13 03 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900001e0578 EFLAGS: 00000206
RAX: 0d47e6e6ebfd2e00 RBX: 0000000000000000 RCX: 0d47e6e6ebfd2e00
RDX: 0000000000000000 RSI: ffffffff8dba65a5 RDI: ffffffff8be33700
RBP: ffffffff8172c195 R08: 0000000000000000 R09: ffffffff8172c195
R10: ffffc900001e0738 R11: ffffffff81ac3930 R12: 0000000000000002
R13: ffffffff8e139ea0 R14: 0000000000000000 R15: 0000000000000246
FS:  00007f570bdb86c0(0000) GS:ffff8881a3c19000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2b2050 CR3: 0000000028098000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 unwind_next_frame+0xc2/0x2390
 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
 kmem_cache_free+0x18f/0x400
 __tlb_remove_table+0x81/0x3b0
 tlb_remove_table_rcu+0x85/0x100
 rcu_core+0xcab/0x1770
 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:preempt_schedule_irq+0xbe/0x150
Code: 03 08 00 00 00 74 64 bf 01 00 00 00 e8 fb 28 15 f6 e8 36 83 4c f6 fb bf 01 00 00 00 e8 5b ab ff ff 48 c7 44 24 40 00 00 00 00 <9c> 8f 44 24 40 8b 44 24 40 fa a9 00 02 00 00 74 05 e8 bc 84 4c f6
RSP: 0018:ffffc900067bf4e0 EFLAGS: 00000246
RAX: 0d47e6e6ebfd2e00 RBX: 0000000000000000 RCX: 0d47e6e6ebfd2e00
RDX: 0000000000000000 RSI: ffffffff8be336e0 RDI: ffffffff8be336a0
RBP: ffffc900067bf580 R08: ffffffff8fa38937 R09: 1ffffffff1f47126
R10: dffffc0000000000 R11: fffffbfff1f47127 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000cf7e9c
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 4b 13 03 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900067bf640 EFLAGS: 00000206
RAX: 0d47e6e6ebfd2e00 RBX: 0000000000000000 RCX: 0d47e6e6ebfd2e00
RDX: 0000000000000000 RSI: ffffffff8dba65a5 RDI: ffffffff8be33700
RBP: ffffffff81aab47d R08: 0000000000000000 R09: ffffffff81aab47d
R10: ffffc900067bf7b8 R11: ffffffff81ac3930 R12: 0000000000000002
R13: ffffffff8e139ea0 R14: 0000000000000000 R15: 0000000000000246
 is_module_text_address+0x39/0x1e0
 kernel_text_address+0x94/0xe0
 __kernel_text_address+0xd/0x40
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfc/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 tomoyo_realpath_from_path+0xe3/0x5d0
 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: 0033:0x7f570af8eba9
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:00007f570bdb8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f570b1d5fa0 RCX: 00007f570af8eba9
RDX: ffffffffffffffff RSI: 0000000040042408 RDI: 0000000000000004
RBP: 00007f570b011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f570b1d6038 R14: 00007f570b1d5fa0 R15: 00007ffc1f3f0688
 </TASK>
sched: DL replenish lagged too much
