syzbot


WARNING in kernfs_put
Status: fixed on 2019/12/01 20:17
Reported-by: syzbot+ccadabca20bdfa802ef3@syzkaller.appspotmail.com
Fix commit: 5432923a driver core: Fix use-after-free and double free on glue directory
First crash: 408d, last: 341d

Fix bisection: fixed by (bisect log):

commit 5432923a6b208b253d95d95cee72d0508c803421
Author: Muchun Song <smuchun@gmail.com>
Date: Sat Jul 27 03:21:22 2019 +0000

  driver core: Fix use-after-free and double free on glue directory

similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.19 WARNING in kernfs_put C fix 1 345d 345d 1/1 fixed on 2019/12/01 20:17
upstream WARNING in kernfs_put C 4 462d 583d 0/17 closed as dup on 2018/10/31 16:05

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/06/30 23:16 linux-4.14.y f4cc0ed9 699d6448 .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tj@kernel.org
ci2-linux-4-14 2019/04/25 05:09 linux-4.14.y 68d7a45e 8e3c52b1 .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tj@kernel.org