syzbot


KASAN: use-after-free Read in nbd_release
Status: upstream: reported C repro on 2021/02/20 11:32
Reported-by: syzbot+bf068cf224727e479bfa@syzkaller.appspotmail.com
First crash: 283d, last: 15d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in nbd_release C inconclusive unreliable 5 107d 281d 0/22 upstream: reported C repro on 2021/02/22 09:05
linux-4.19 KASAN: use-after-free Read in nbd_release C 44 8d09h 282d 0/1 upstream: reported C repro on 2021/02/21 06:21

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2021/11/15 16:26 linux-4.14.y 5f9f3b0057d5 bc5434be .config log report syz C
ci2-linux-4-14 2021/10/16 16:05 linux-4.14.y ed99bf0e81b5 bc5434be .config log report syz C
ci2-linux-4-14 2021/09/16 14:22 linux-4.14.y f96eb53cbd76 bc5434be .config log report syz C
ci2-linux-4-14 2021/08/17 13:34 linux-4.14.y 162b95d01320 bc5434be .config log report syz C
ci2-linux-4-14 2021/07/18 08:45 linux-4.14.y 4e68c9b0763f bc5434be .config log report syz C
ci2-linux-4-14 2021/06/18 08:19 linux-4.14.y cfb41ef9deb1 bc5434be .config log report syz C
Crashes (28):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2021/05/08 08:33 linux-4.14.y 7d7d1c0ab3eb bc5434be .config log report syz C KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/04/17 07:16 linux-4.14.y cf256fbcbe34 7e2b734b .config log report syz C KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/05/19 07:31 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/05/18 12:39 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/05/15 23:55 linux-4.14.y 7d7d1c0ab3eb 93f844de .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/05/15 16:10 linux-4.14.y 7d7d1c0ab3eb 93f844de .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/05/15 14:32 linux-4.14.y 7d7d1c0ab3eb 93f844de .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/05/13 01:01 linux-4.14.y 7d7d1c0ab3eb ed7d41c5 .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/05/11 16:21 linux-4.14.y 7d7d1c0ab3eb ca873091 .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/05/08 06:35 linux-4.14.y 7d7d1c0ab3eb bc5434be .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/05/01 17:38 linux-4.14.y 7d7d1c0ab3eb 77e2b668 .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/04/27 16:59 linux-4.14.y cf256fbcbe34 805b5003 .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/04/17 06:57 linux-4.14.y cf256fbcbe34 7e2b734b .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/04/14 09:01 linux-4.14.y 958e517f4e16 a184b83e .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/04/11 23:13 linux-4.14.y 958e517f4e16 6a81331a .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/04/11 22:14 linux-4.14.y 958e517f4e16 6a81331a .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/04/09 17:37 linux-4.14.y 0cc244011f40 6a81331a .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/04/09 08:43 linux-4.14.y 0cc244011f40 6a81331a .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/04/04 22:49 linux-4.14.y bd634aa64163 6a81331a .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/04/03 06:11 linux-4.14.y bd634aa64163 6a81331a .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/04/01 05:23 linux-4.14.y bd634aa64163 6a81331a .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/03/31 09:07 linux-4.14.y bd634aa64163 6a81331a .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/03/12 20:50 linux-4.14.y c7150cd2fa8c 429d8a6b .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/03/10 22:42 linux-4.14.y 1d177c0872ab 764067f3 .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/03/07 22:10 linux-4.14.y 1d177c0872ab 09fbf400 .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/03/04 23:50 linux-4.14.y 397a88b2cc86 f89ed068 .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/03/04 02:42 linux-4.14.y 397a88b2cc86 06ed56cd .config log report info KASAN: use-after-free Read in nbd_release
ci2-linux-4-14 2021/02/20 11:31 linux-4.14.y 29c52025152b 3e5ed8b4 .config log report info KASAN: use-after-free Read in nbd_release