syzbot


WARNING in kernfs_get
Status: fixed on 2019/12/07 19:24
Reported-by: syzbot+5c4d1ce9497564ba35da@syzkaller.appspotmail.com
Fix commit: 5432923a6b20 driver core: Fix use-after-free and double free on glue directory
First crash: 1122d, last: 1003d

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 (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in kernfs_get C done 14 978d 1118d 1/1 fixed on 2019/12/05 23:59
upstream WARNING in kernfs_get (2) 2 598d 616d 0/22 auto-closed as invalid on 2021/01/25 03:55
upstream WARNING in kernfs_get C done 316 1017d 1346d 14/22 fixed on 2019/11/20 22:01
upstream WARNING in kernfs_get (3) 3 163d 167d 0/22 auto-closed as invalid on 2022/02/04 06:25
android-414 WARNING in kernfs_get syz 69 981d 1134d 0/1 public: reported syz repro on 2019/04/10 15:44

Sample crash report:

Crashes (17):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2019/07/04 07:23 linux-4.14.y e3c1b27308ae 55565fa0 .config log report syz C
ci2-linux-4-14 2019/07/04 06:19 linux-4.14.y e3c1b27308ae 55565fa0 .config log report syz C
ci2-linux-4-14 2019/07/01 10:05 linux-4.14.y f4cc0ed9b2c7 699d6448 .config log report syz C
ci2-linux-4-14 2019/06/30 23:43 linux-4.14.y f4cc0ed9b2c7 699d6448 .config log report syz C
ci2-linux-4-14 2019/06/16 03:33 linux-4.14.y a74d0e937a3a 442206d7 .config log report syz C
ci2-linux-4-14 2019/06/15 05:49 linux-4.14.y 2bf3258a12af 442206d7 .config log report syz C
ci2-linux-4-14 2019/06/11 02:59 linux-4.14.y e6a95d8851f1 0159583c .config log report syz C
ci2-linux-4-14 2019/04/29 20:51 linux-4.14.y fa5941f45d7e b617407b .config log report syz C
ci2-linux-4-14 2019/04/27 03:37 linux-4.14.y 68d7a45eec10 b617407b .config log report syz C
ci2-linux-4-14 2019/04/21 17:17 linux-4.14.y 68d7a45eec10 b0e8efcb .config log report syz C
ci2-linux-4-14 2019/06/15 13:30 linux-4.14.y a74d0e937a3a 442206d7 .config log report syz
ci2-linux-4-14 2019/08/19 13:58 linux-4.14.y 45f092f9e9cb b8ceabfc .config log report
ci2-linux-4-14 2019/07/26 21:59 linux-4.14.y ff33472c282e 8fe30d3e .config log report
ci2-linux-4-14 2019/07/19 16:15 linux-4.14.y aea8526edf59 8304907d .config log report
ci2-linux-4-14 2019/07/01 16:33 linux-4.14.y f4cc0ed9b2c7 907bf746 .config log report
ci2-linux-4-14 2019/07/01 10:29 linux-4.14.y f4cc0ed9b2c7 699d6448 .config log report
ci2-linux-4-14 2019/06/15 09:09 linux-4.14.y 2bf3258a12af 442206d7 .config log report