rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=a064/1/0x4000000000000000 softirq=23128/23129 fqs=5244
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1028852          0            0
rcu: 	cputime:    24763      27715          103   ==> 52490(ms)
rcu: 	(t=10501 jiffies g=14333 q=4501 ncpus=2)
CPU: 1 UID: 0 PID: 6814 Comm: syz.6.212 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:sctp_assoc_sync_pmtu+0x70/0x270
Code: 89 f7 e8 33 5b 76 f7 4d 8b 3e 4d 39 f7 0f 84 f3 01 00 00 4c 89 74 24 08 31 ed 4d 8d 77 24 4d 89 f4 49 c1 ec 03 41 0f b6 04 1c <84> c0 0f 85 2b 01 00 00 45 0f b6 2e 44 89 ee 83 e6 08 31 ff e8 e7
RSP: 0018:ffffc900001e0580 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88810abc9cc0
RDX: 0000000000000100 RSI: 00000000000005dc RDI: 00000000000005dc
RBP: 00000000000005dc R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 1ffff110221c2a04
R13: 0000000000000000 R14: ffff888110e15024 R15: ffff888110e15000
FS:  00007fca1e53b6c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 0000000110af6000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 sctp_packet_config+0x4ba/0xd90
 sctp_outq_select_transport+0x462/0x570
 sctp_outq_flush+0x2ff/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:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc9000387f7e0 EFLAGS: 00000282
RAX: 5de7e94d67cf4800 RBX: 0000000000000000 RCX: 5de7e94d67cf4800
RDX: 0000000000000007 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc9000387f880 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200070fefc
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:memset_orig+0x46/0xb0
Code: 75 74 48 89 d1 48 c1 e9 06 74 39 66 0f 1f 84 00 00 00 00 00 48 ff c9 48 89 07 48 89 47 08 48 89 47 10 48 89 47 18 48 89 47 20 <48> 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d8 0f 1f 84 00
RSP: 0018:ffffc9000387f948 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000003
RDX: 0000000000000200 RSI: 0000000000000000 RDI: ffffc9000387fa50
RBP: ffffc9000387fb78 R08: dffffc0000000000 R09: 0000000000000000
R10: ffffc9000387f950 R11: fffffbfff1f43d1f R12: ffff88801a441780
R13: 0000000000000000 R14: ffff88810b621048 R15: ffffc9000387f950
 kasan_save_track+0x2f/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x62/0x70
 kfree+0x18e/0x440
 tomoyo_path_number_perm+0x47a/0x5a0
 security_file_ioctl+0xcb/0x2d0
 __se_sys_ioctl+0x47/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fca1d78e9a9
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:00007fca1e53b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fca1d9b6080 RCX: 00007fca1d78e9a9
RDX: 0000200000000080 RSI: 0000000000008940 RDI: 000000000000000c
RBP: 00007fca1d810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fca1d9b6080 R15: 00007ffe5f771588
 </TASK>
sched: DL replenish lagged too much
