syzbot


INFO: task hung in drain_all_pages
Status: fixed on 2020/03/26 13:10
Reported-by: syzbot+849216381f9e26b70800@syzkaller.appspotmail.com
Fix commit: a86265edeb33 netfilter: xt_hashlimit: limit the max size of hashtable
First crash: 650d, last: 650d

Fix bisection: fixed by (bisect log) :
commit a86265edeb3314f9c3270a5bf18b4e72ebc65beb
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Mon Feb 3 04:30:53 2020 +0000

  netfilter: xt_hashlimit: limit the max size of hashtable

similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 INFO: task hung in drain_all_pages (2) 2 580d 586d 0/1 auto-closed as invalid on 2020/09/01 16:02
linux-4.19 INFO: task hung in drain_all_pages (2) 2 60d 131d 0/1 upstream: reported on 2021/07/28 03:43
linux-4.19 INFO: task hung in drain_all_pages C done 1 655d 685d 1/1 fixed on 2020/03/21 06:12

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/02/25 04:59 linux-4.14.y 98db2bf27b9e 59b57593 .config log report syz C