WARNING: stack going in the wrong direction? ip=finish_task_switch

Status: upstream: reported C repro on 2022/02/16 15:47
Reported-by: syzbot+cdffa40db820a342569c@syzkaller.appspotmail.com
First crash: 1648d, last: 1454d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Last patch testing requests (1)
Created Duration User Patch Repo Result
2023/03/05 13:32 0m retest repro linux-4.14.y error
▶ ▼ Fix bisection attempts (5)
Created Duration User Patch Repo Result
2022/10/13 02:11 0m bisect fix linux-4.14.y error job log
2022/08/30 02:09 21m bisect fix linux-4.14.y OK (0) job log log
2022/07/28 08:57 29m bisect fix linux-4.14.y OK (0) job log log
2022/06/28 08:22 18m bisect fix linux-4.14.y OK (0) job log log
2022/05/28 21:37 21m bisect fix linux-4.14.y OK (0) job log log

Sample crash report:
WARNING: stack going in the wrong direction? ip=finish_task_switch+0x14d/0x610

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/04/08 05:59 linux-4.14.y 74766a973637 c6ff3e05 .config console log report syz C ci2-linux-4-14 WARNING: stack going in the wrong direction? ip=finish_task_switch
2022/04/28 21:36 linux-4.14.y e3a56aaade89 e9076525 .config console log report info ci2-linux-4-14 WARNING: stack going in the wrong direction? ip=finish_task_switch
2022/04/12 17:41 linux-4.14.y 74766a973637 dacb3f1c .config console log report info ci2-linux-4-14 WARNING: stack going in the wrong direction? ip=finish_task_switch
2022/04/07 23:12 linux-4.14.y 74766a973637 c6ff3e05 .config console log report info ci2-linux-4-14 WARNING: stack going in the wrong direction? ip=finish_task_switch
2022/03/28 10:35 linux-4.14.y af1af6ebca0e 89bc8608 .config console log report info ci2-linux-4-14 WARNING: stack going in the wrong direction? ip=finish_task_switch
2022/02/16 15:46 linux-4.14.y a35d65bedfbc 8b9ca619 .config console log report info ci2-linux-4-14 WARNING: stack going in the wrong direction? ip=finish_task_switch
* Struck through repros no longer work on HEAD.