syzbot


BUG: sleeping function called from invalid context in tpk_write
Status: fixed on 2020/03/06 21:15
Reported-by: syzbot+bfd52992394f1e2fba00@syzkaller.appspotmail.com
Fix commit: ab84fd0d3dc8 ttyprintk: fix a potential deadlock in interrupt context issue
First crash: 775d, last: 713d

Fix bisection: fixed by (bisect log) :
commit ab84fd0d3dc83277d6ab7246a6b2cd45ba924367
Author: Zhenzhong Duan <zhenzhong.duan@gmail.com>
Date: Mon Jan 13 03:48:42 2020 +0000

  ttyprintk: fix a potential deadlock in interrupt context issue

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 BUG: sleeping function called from invalid context in tpk_write C done 30 713d 775d 1/1 fixed on 2020/03/06 21:15
upstream BUG: sleeping function called from invalid context in tpk_write C done 12 732d 773d 16/22 fixed on 2020/02/18 14:31

Sample crash report:

Crashes (10):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2019/12/05 21:56 linux-4.14.y a844dc4c5442 9fd5a512 .config log report syz C
ci2-linux-4-14 2019/12/05 19:44 linux-4.14.y a844dc4c5442 9fd5a512 .config log report syz C
ci2-linux-4-14 2020/02/05 11:50 linux-4.14.y 9fa690a2a016 93e5e335 .config log report
ci2-linux-4-14 2020/02/04 05:11 linux-4.14.y 9fa690a2a016 93e5e335 .config log report
ci2-linux-4-14 2020/02/03 16:22 linux-4.14.y 9fa690a2a016 93e5e335 .config log report
ci2-linux-4-14 2020/01/24 02:59 linux-4.14.y 8bac50406cca 11ebf937 .config log report
ci2-linux-4-14 2019/12/26 07:11 linux-4.14.y e1f7d50ae3a3 be5c2c81 .config log report
ci2-linux-4-14 2019/12/26 03:37 linux-4.14.y e1f7d50ae3a3 be5c2c81 .config log report
ci2-linux-4-14 2019/12/11 04:22 linux-4.14.y a844dc4c5442 101194eb .config log report
ci2-linux-4-14 2019/12/07 18:03 linux-4.14.y a844dc4c5442 85f26751 .config log report