rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=35a4/1/0x4000000000000000 softirq=19387/19389 fqs=4348
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   968657          1            0
rcu: 	cputime:    27697      24792           96   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=9989 q=3854 ncpus=2)
CPU: 0 UID: 0 PID: 7106 Comm: syz.0.558 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_irqrestore+0xa8/0x110
Code: 74 05 e8 cb 8e 56 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 13 bd 1f f6 65 8b 05 bc e9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900000079a0 EFLAGS: 00000206
RAX: 5a5a63df966f6300 RBX: 0000000000000a02 RCX: 5a5a63df966f6300
RDX: 0000000000000002 RSI: ffffffff8d998940 RDI: 0000000000000001
RBP: ffffc90000007a20 R08: ffffffff8fa1e9f7 R09: 1ffffffff1f43d3e
R10: dffffc0000000000 R11: fffffbfff1f43d3f R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffffff99e29900 R15: 1ffff92000000f34
FS:  00007f1ef3bf66c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000001f0dc000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 aoenet_xmit+0x123/0x1a0
 aoecmd_cfg+0x765/0x7c0
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/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: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 0f 2a df 09 e8 ba b9 35 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:ffffc90002b7f5d8 EFLAGS: 00000286
RAX: 5a5a63df966f6300 RBX: 0000000000000000 RCX: 5a5a63df966f6300
RDX: 0000000000000007 RSI: ffffffff8d998940 RDI: ffffffff8be29f40
RBP: ffffc90002b7f630 R08: ffffffff8fa1e9f7 R09: 1ffffffff1f43d3e
R10: dffffc0000000000 R11: fffffbfff1f43d3f R12: ffff888021bcb980
R13: dffffc0000000000 R14: ffff888025dd9cc0 R15: ffff88804b03ab98
 __schedule+0x16fd/0x4d00
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:trace_kmalloc+0x0/0xd0
Code: b9 fe ff ff 4c 89 ff 48 c7 c6 6f a0 a2 8d e8 b7 05 ef ff 90 0f 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 90 65 8b 05 3b a4 87 10 83 f8 08 73 24 89 c0 48 0f a3 05 e8 7d
RSP: 0018:ffffc90002b7f9c0 EFLAGS: 00000286
RAX: ffff88810a5f4000 RBX: ffff88810a5f4000 RCX: 0000000000002000
RDX: 0000000000001000 RSI: ffff88810a5f4000 RDI: ffffffff84795543
RBP: 0000000000000c40 R08: 0000000000000c40 R09: 00000000ffffffff
R10: 000000000000000b R11: ffffffff81ad0050 R12: ffff88801a442140
R13: ffff88810a5f4000 R14: 0000000000000000 R15: 0000000000001000
 __kmalloc_noprof+0x29b/0x4f0
 tomoyo_realpath_from_path+0xe3/0x5d0
 tomoyo_path_perm+0x213/0x4b0
 tomoyo_path_unlink+0xa2/0xe0
 security_path_unlink+0x167/0x360
 do_unlinkat+0x2de/0x560
 __x64_sys_unlink+0x47/0x50
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1ef5d8e9a9
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:00007f1ef3bf6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007f1ef5fb5fa0 RCX: 00007f1ef5d8e9a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000200
RBP: 00007f1ef5e10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1ef5fb5fa0 R15: 00007ffc6c0e0d98
 </TASK>
sched: DL replenish lagged too much
