syzbot


KASAN: use-after-free Read in debugfs_remove
Status: upstream: reported C repro on 2019/06/23 14:51
Reported-by: syzbot+5d709bb1673168a5ada8@syzkaller.appspotmail.com
First crash: 418d, last: 13d
similar bugs (4):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream KASAN: use-after-free Read in debugfs_remove (2) 1 846d 844d 6/17 fixed on 2018/05/17 10:02
upstream KASAN: use-after-free Read in debugfs_remove (3) C cause+fix 88 207d 674d 0/17 closed as dup on 2020/06/28 17:08
upstream KASAN: use-after-free Read in debugfs_remove 1 867d 866d 0/17 closed as invalid on 2018/04/10 15:18
linux-4.14 KASAN: use-after-free Read in debugfs_remove C fix 12 56d 485d 0/1 upstream: reported C repro on 2019/04/17 06:08

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci2-linux-4-19 2020/06/16 21:42 linux-4.19.y 3fc89857 712198ac .config log report syz C
ci2-linux-4-19 2020/05/17 21:13 linux-4.19.y 258f0cf7 712198ac .config log report syz C
ci2-linux-4-19 2020/04/17 20:42 linux-4.19.y 8488c3f3 712198ac .config log report syz C
ci2-linux-4-19 2020/02/17 13:53 linux-4.19.y 9b15f7fa af5c522d .config log report syz C
ci2-linux-4-19 2020/01/13 11:57 linux-4.19.y dcd88898 af5c522d .config log report syz C
ci2-linux-4-19 2019/12/14 10:39 linux-4.19.y 312017a4 af5c522d .config log report syz C
Crashes (13):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-19 2020/03/04 14:47 linux-4.19.y a083db76 712198ac .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19 2019/11/05 20:37 linux-4.19.y ef244c30 af5c522d .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19 2019/07/22 04:47 linux-4.19.y be9b6782 1656845f .config log report syz C
ci2-linux-4-19 2019/06/23 17:43 linux-4.19.y 78778071 3efccdd2 .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19 2020/07/31 18:57 linux-4.19.y 13af6c74 8df85ed9 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19 2020/07/06 08:13 linux-4.19.y 399849e4 ac5a135b .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19 2020/03/18 18:15 linux-4.19.y 93556fb2 0a96a13c .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19 2020/01/18 13:29 linux-4.19.y dc4ba5be 3de7aabb .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19 2020/01/14 11:14 linux-4.19.y dcd88898 32881205 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19 2019/09/16 11:11 linux-4.19.y db2d0b7c 55c50e70 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19 2019/08/16 09:22 linux-4.19.y a5aa8058 8fd428a1 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19 2019/07/26 01:41 linux-4.19.y be9b6782 732bc5a0 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19 2019/06/23 13:50 linux-4.19.y 78778071 3efccdd2 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org