rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=ae94/1/0x4000000000000000 softirq=22260/22260 fqs=4894
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1097902          0            0
rcu: 	cputime:    24303      28176           87   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=15809 q=2210 ncpus=2)
CPU: 0 UID: 0 PID: 7988 Comm: syz.2.656 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #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:rcu_read_unlock_special+0x87/0x4c0
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 62 2c f8 10 41 f7 c6 00 00 f0 00 74 49 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc90000006e80 EFLAGS: 00000206
RAX: b6b034b04922b300 RBX: 1ffff92000000dd8 RCX: b6b034b04922b300
RDX: 0000000000000002 RSI: ffffffff8d998836 RDI: ffffffff8be29f40
RBP: ffffc90000006f78 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffffffff8e144400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
FS:  00007fbdee8276c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000036212000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __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_save_free_info+0x46/0x50
 __kasan_slab_free+0x62/0x70
 kmem_cache_free+0x18f/0x400
 skb_release_data+0x62d/0x7c0
 consume_skb+0x9e/0xf0
 sctp_chunk_put+0x17d/0x200
 sctp_packet_transmit+0x14ed/0x2bb0
 sctp_outq_flush+0xecb/0x3140
 sctp_do_sm+0x5332/0x5a20
 sctp_generate_heartbeat_event+0x2d7/0x400
 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 1a 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:ffffc90003a3f158 EFLAGS: 00000282
RAX: b6b034b04922b300 RBX: 0000000000000000 RCX: b6b034b04922b300
RDX: 0000000000000007 RSI: ffffffff8d998836 RDI: ffffffff8be29f40
RBP: ffffc90003a3f1b0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff888020c19cc0
R13: dffffc0000000000 R14: ffff88801f049cc0 R15: ffff88804b03ab98
 __schedule+0x16fd/0x4d00
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
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:ffffc90003a3f550 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff84782fbf
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88801aba5c38
RBP: ffff88801aba5c10 R08: ffff88801aba5c3f R09: 1ffff11003574b87
R10: dffffc0000000000 R11: ffffed1003574b87 R12: 0000000000000001
R13: 000000000000007a R14: ffffed1003574b88 R15: 1ffff11003574b87
 tomoyo_check_acl+0x2df/0x400
 tomoyo_path_permission+0x1b4/0x380
 tomoyo_check_open_permission+0x24d/0x3b0
 security_file_open+0xb1/0x270
 do_dentry_open+0x35e/0x1970
 vfs_open+0x3b/0x340
 path_openat+0x2ee5/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbded98e9a9
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:00007fbdee827038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fbdedbb5fa0 RCX: 00007fbded98e9a9
RDX: 0000000000040000 RSI: 00002000000000c0 RDI: ffffffffffffff9c
RBP: 00007fbdeda10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbdedbb5fa0 R15: 00007ffca6eaf2a8
 </TASK>
sched: DL replenish lagged too much
