syzbot


general protection fault in kernfs_add_one
Status: fixed on 2019/12/03 19:05
Reported-by: syzbot+23e2b75b45e0821f1115@syzkaller.appspotmail.com
Fix commit: 5432923a driver core: Fix use-after-free and double free on glue directory
First crash: 413d, last: 344d

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 (3):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-414 general protection fault in kernfs_add_one 1 298d 298d 0/1 auto-closed as invalid on 2020/01/14 07:42
linux-4.19 general protection fault in kernfs_add_one C fix 8 311d 450d 1/1 fixed on 2019/12/05 10:31
upstream general protection fault in kernfs_add_one C cause 98 339d 663d 14/17 fixed on 2019/11/22 12:17

Sample crash report:

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/08/01 23:42 linux-4.14.y 10d6aa56 835dffe7 .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tj@kernel.org
ci2-linux-4-14 2019/07/05 10:43 linux-4.14.y e3c1b273 429efa16 .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tj@kernel.org
ci2-linux-4-14 2019/06/30 23:00 linux-4.14.y f4cc0ed9 699d6448 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tj@kernel.org
ci2-linux-4-14 2019/06/30 22:58 linux-4.14.y f4cc0ed9 699d6448 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tj@kernel.org
ci2-linux-4-14 2019/05/24 21:56 linux-4.14.y bbcb3c09 85c57315 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tj@kernel.org