syzbot


general protection fault in qp_release_pages
Status: fixed on 2020/12/23 11:20
Reported-by: syzbot+957228ff3b8c86c3839f@syzkaller.appspotmail.com
Fix commit: 2b8c7395d275 VMCI: check return value of get_user_pages_fast() for errors
First crash: 572d, last: 542d

Fix bisection: fixed by (bisect log) :
commit 2b8c7395d275caa8bd2bcda282ba889c727095dc
Author: Alex Dewar <alex.dewar90@gmail.com>
Date: Tue Aug 25 16:45:18 2020 +0000

  VMCI: check return value of get_user_pages_fast() for errors

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 general protection fault in qp_release_pages C done 4 578d 580d 1/1 fixed on 2020/11/17 09:23
upstream general protection fault in qp_release_pages C done 2 583d 583d 17/22 fixed on 2020/11/16 12:12

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/10/23 10:48 linux-4.14.y 5b7a52cd2eef 4e740c00 .config log report syz C
ci2-linux-4-14 2020/10/23 10:33 linux-4.14.y 5b7a52cd2eef 4e740c00 .config log report info