syzbot


KASAN: use-after-free Read in nr_release
Status: upstream: reported C repro on 2019/08/10 01:07
Reported-by: syzbot+33090272a4173513d932@syzkaller.appspotmail.com
First crash: 842d, last: 7d04h
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in nr_release C done 25 826d 905d 13/22 fixed on 2019/08/27 17:15
linux-4.14 KASAN: use-after-free Read in nr_release syz 86 20d 839d 0/1 upstream: reported syz repro on 2019/08/13 12:20
upstream KASAN: use-after-free Read in nr_release (2) syz error error 59 733d 823d 0/22 upstream: reported syz repro on 2019/08/29 11:28
upstream KASAN: use-after-free Write in nr_release C done error 698 1h46m 731d 0/22 upstream: reported C repro on 2019/11/29 08:16

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/07/05 14:15 linux-4.19.y 9f84340f012e cd626f3b .config log report syz C
ci2-linux-4-19 2021/02/22 14:17 linux-4.19.y 255b58a2b3af cd626f3b .config log report syz C
ci2-linux-4-19 2021/01/20 10:02 linux-4.19.y 43d555d83c3f cd626f3b .config log report syz C
ci2-linux-4-19 2020/12/21 09:22 linux-4.19.y 13d2ce42de8c cd626f3b .config log report syz C
ci2-linux-4-19 2020/09/21 09:04 linux-4.19.y 015e94d0e37b cd626f3b .config log report syz C
Crashes (133):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2019/08/30 11:26 linux-4.19.y 97ab07e11fbf cd626f3b .config log report syz C
ci2-linux-4-19 2019/08/20 17:52 linux-4.19.y a5aa80588fcd cfc9868f .config log report syz C
ci2-linux-4-19 2020/02/15 13:19 linux-4.19.y 9b15f7fae677 5d7b90f1 .config log report syz
ci2-linux-4-19 2019/10/02 03:20 linux-4.19.y 555161ee1b7a b7a87a83 .config log report syz
ci2-linux-4-19 2021/11/22 14:15 linux-4.19.y 3f8a27f9e27b 545ab074 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/11/11 16:23 linux-4.19.y 3f8a27f9e27b 75b04091 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/11/10 00:57 linux-4.19.y 3f8a27f9e27b 55fa030c .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/11/05 09:13 linux-4.19.y 3f8a27f9e27b 4c1be0be .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/10/29 19:56 linux-4.19.y 3f8a27f9e27b 2353a3ec .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/10/26 16:46 linux-4.19.y 3f8a27f9e27b d50eb50a .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/10/07 10:30 linux-4.19.y 6db10b4d5efd 62ee0987 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/10/06 01:40 linux-4.19.y c2276d585654 0a63fd36 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/09/27 04:47 linux-4.19.y c2276d585654 78494d16 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/09/14 20:57 linux-4.19.y b172b44fcb17 07e953c1 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/09/09 01:36 linux-4.19.y b172b44fcb17 e2776ee4 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/09/02 22:45 linux-4.19.y e23d55af0e1f f62a5829 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/08/17 15:28 linux-4.19.y 59456c9cc40c a2fe1cb5 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/08/15 05:05 linux-4.19.y addba38e7c3b 2489ab88 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/08/08 07:29 linux-4.19.y 5c66974a6304 6972b106 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/08/04 02:10 linux-4.19.y 53bd76690e27 6c236867 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/07/30 04:23 linux-4.19.y a89b48fe9308 c585c7b0 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/07/29 18:04 linux-4.19.y a89b48fe9308 8a799410 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/06/05 13:33 linux-4.19.y 1722257b8ece 500c2339 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/05/21 05:41 linux-4.19.y 3c8c23092588 3c7fef33 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/05/15 12:19 linux-4.19.y 3c8c23092588 93f844de .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/05/07 18:56 linux-4.19.y 3c8c23092588 f6da8120 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/05/04 15:28 linux-4.19.y 97a8651cadce 06c27ff5 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/04/23 00:39 linux-4.19.y 2965db2e004c 590921a5 .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/03/25 08:58 linux-4.19.y 78fec1611cbf 6a383ecf .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2021/03/17 18:01 linux-4.19.y ac3af4beac43 fdb2bb2c .config log report info KASAN: use-after-free Read in nr_release
ci2-linux-4-19 2020/11/21 08:29 linux-4.19.y 2c746135a12e 68068804 .config log report info
ci2-linux-4-19 2020/11/17 01:25 linux-4.19.y 31acccdc8774 1bf9a662 .config log report info
ci2-linux-4-19 2020/11/11 16:57 linux-4.19.y 31acccdc8774 cca87986 .config log report info
ci2-linux-4-19 2020/11/05 12:32 linux-4.19.y b94de4d19498 cba33199 .config log report info
ci2-linux-4-19 2020/11/05 03:51 linux-4.19.y f5d8eef067ac cba33199 .config log report info
ci2-linux-4-19 2020/11/04 00:59 linux-4.19.y f5d8eef067ac cba33199 .config log report info
ci2-linux-4-19 2020/10/15 03:14 linux-4.19.y a1b977b49b66 fc7735a2 .config log report info
ci2-linux-4-19 2020/10/14 06:28 linux-4.19.y a1b977b49b66 fc7735a2 .config log report info
ci2-linux-4-19 2020/10/11 06:11 linux-4.19.y a1b977b49b66 4a77ae0b .config log report info
ci2-linux-4-19 2020/08/22 07:41 linux-4.19.y d18b78abc0c6 6436ce4b .config log report
ci2-linux-4-19 2020/08/13 04:18 linux-4.19.y c14d30dc9987 bc15f7db .config log report
ci2-linux-4-19 2020/08/08 11:55 linux-4.19.y 961f830af065 01975a06 .config log report
ci2-linux-4-19 2020/07/31 04:16 linux-4.19.y 205a42ce2861 8df85ed9 .config log report
ci2-linux-4-19 2020/07/25 11:24 linux-4.19.y 20b3a3dfdf6c 1f7cc1ca .config log report
ci2-linux-4-19 2020/07/18 00:11 linux-4.19.y 17a87580a885 9c812472 .config log report
ci2-linux-4-19 2020/07/13 01:40 linux-4.19.y dce0f88600e4 9ebcc5b1 .config log report
ci2-linux-4-19 2020/07/10 01:23 linux-4.19.y dce0f88600e4 edf162e8 .config log report
ci2-linux-4-19 2020/06/26 05:51 linux-4.19.y a39e75458e1c aea82c00 .config log report
ci2-linux-4-19 2019/08/10 00:06 linux-4.19.y 893af1c79e42 aff9e255 .config log report