WARNING in enqueue_task

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-414	WARNING in enqueue_task_dl	syz			2	2152d	2051d	0/1	public: reported syz repro on 2019/04/10 16:04
linux-4.14	WARNING in enqueue_task_dl	C		inconclusive	1	1636d	1951d	0/1	upstream: reported C repro on 2019/07/20 08:10
upstream	WARNING in enqueue_task_dl kernel	C	done		13	1617d	2194d	15/28	fixed on 2020/08/01 00:48

android-414

WARNING in enqueue_task_dl

syz

2152d

2051d

0/1

public: reported syz repro on 2019/04/10 16:04

linux-4.14

WARNING in enqueue_task_dl

inconclusive

1636d

1951d

0/1

upstream: reported C repro on 2019/07/20 08:10

upstream

WARNING in enqueue_task_dl kernel

done

1617d

2194d

15/28

fixed on 2020/08/01 00:48


Created	Duration	User	Repo	Result
2020/07/13 10:38	3h22m	bisect fix	linux-4.19.y	OK (1) job log
2020/06/13 09:42	23m	bisect fix	linux-4.19.y	OK (0) job log log
2020/05/14 07:46	25m	bisect fix	linux-4.19.y	OK (0) job log log
2020/04/14 07:11	24m	bisect fix	linux-4.19.y	OK (0) job log log
2020/03/15 06:34	26m	bisect fix	linux-4.19.y	OK (0) job log log
2020/02/14 05:57	24m	bisect fix	linux-4.19.y	OK (0) job log log
2020/01/15 05:27	24m	bisect fix	linux-4.19.y	OK (0) job log log
2019/12/16 04:53	24m	bisect fix	linux-4.19.y	OK (0) job log log

8021q: adding VLAN 0 to HW filter on device batadv0 audit: type=1400 audit(1563597104.508:38): avc: denied { associate } for pid=7611 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 WARNING: CPU: 1 PID: 7620 at kernel/sched/deadline.c:627 rt_mutex_get_top_task /./include/linux/sched/rt.h:38 [inline] WARNING: CPU: 1 PID: 7620 at kernel/sched/deadline.c:627 enqueue_task_dl+0x1c53/0x2d70 /kernel/sched/deadline.c:1441 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7620 Comm: syz-executor.0 Not tainted 4.19.59 #32 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack /lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 /lib/dump_stack.c:113 panic+0x263/0x507 /kernel/panic.c:185 __warn.cold+0x20/0x4a /kernel/panic.c:540 report_bug+0x263/0x2b0 /lib/bug.c:186 fixup_bug /arch/x86/kernel/traps.c:178 [inline] fixup_bug /arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x204/0x360 /arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 /arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 /arch/x86/entry/entry_64.S:1013 RIP: 0010:setup_new_dl_entity /kernel/sched/deadline.c:627 [inline] RIP: 0010:enqueue_dl_entity /kernel/sched/deadline.c:1428 [inline] RIP: 0010:enqueue_task_dl+0x1c53/0x2d70 /kernel/sched/deadline.c:1499 Code: 37 00 48 c1 ea 03 48 c1 e0 2a 80 3c 02 00 0f 85 bc 0a 00 00 49 8b 85 50 0a 00 00 e9 e1 f5 ff ff e8 82 eb 51 00 e9 e9 e3 ff ff <0f> 0b e9 23 f5 ff ff 0f 0b e9 88 f5 ff ff 4c 89 4d b0 4c 89 45 b8 RSP: 0018:ffff88809fb47c90 EFLAGS: 00010002 RAX: 0000000000000000 RBX: ffffffff88b09b00 RCX: 0000000000000002 RDX: 0000000c78d28814 RSI: 1ffffffff10965dd RDI: ffffffff884b2ee8 RBP: ffff88809fb47d08 R08: ffff88807f20e2f8 R09: ffff88807f20e340 R10: ffff88807f20e0bc R11: ffff8880ae923993 R12: ffff88807f20e080 R13: ffff8880ae92d240 R14: ffff8880ae92d240 R15: ffff88807f20e34c enqueue_task+0xa0/0x1d0 /kernel/sched/core.c:728 __sched_setscheduler+0xd35/0x1d90 /kernel/sched/core.c:4338 sched_setattr /kernel/sched/core.c:4396 [inline] __do_sys_sched_setattr /kernel/sched/core.c:4572 [inline] __se_sys_sched_setattr /kernel/sched/core.c:4551 [inline] __x64_sys_sched_setattr+0x184/0x2b0 /kernel/sched/core.c:4551 do_syscall_64+0xfd/0x620 /arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459819 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f125bf71c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459819 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f125bf726d4 R13: 00000000004c6d52 R14: 00000000004dc010 R15: 00000000ffffffff ======================================================