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: 639d, last: 3d00h
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 623d 702d 13/22 fixed on 2019/08/27 17:15
linux-4.14 KASAN: use-after-free Read in nr_release syz 84 14d 636d 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 530d 620d 0/22 upstream: reported syz repro on 2019/08/29 11:28
upstream KASAN: use-after-free Write in nr_release syz done error 477 1d05h 528d 0/22 upstream: reported syz 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 2021/02/22 14:17 linux-4.19.y 255b58a2 cd626f3b .config log report syz C
ci2-linux-4-19 2021/01/20 10:02 linux-4.19.y 43d555d8 cd626f3b .config log report syz C
ci2-linux-4-19 2020/12/21 09:22 linux-4.19.y 13d2ce42 cd626f3b .config log report syz C
ci2-linux-4-19 2020/09/21 09:04 linux-4.19.y 015e94d0 cd626f3b .config log report syz C
Crashes (111):
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 97ab07e1 cd626f3b .config log report syz C
ci2-linux-4-19 2019/08/20 17:52 linux-4.19.y a5aa8058 cfc9868f .config log report syz C
ci2-linux-4-19 2020/02/15 13:19 linux-4.19.y 9b15f7fa 5d7b90f1 .config log report syz
ci2-linux-4-19 2019/10/02 03:20 linux-4.19.y 555161ee b7a87a83 .config log report syz
ci2-linux-4-19 2021/05/07 18:56 linux-4.19.y 3c8c2309 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 97a8651c 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 2965db2e 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 78fec161 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 ac3af4be 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 2c746135 68068804 .config log report info
ci2-linux-4-19 2020/11/17 01:25 linux-4.19.y 31acccdc 1bf9a662 .config log report info
ci2-linux-4-19 2020/11/11 16:57 linux-4.19.y 31acccdc cca87986 .config log report info
ci2-linux-4-19 2020/11/05 12:32 linux-4.19.y b94de4d1 cba33199 .config log report info
ci2-linux-4-19 2020/11/05 03:51 linux-4.19.y f5d8eef0 cba33199 .config log report info
ci2-linux-4-19 2020/11/04 00:59 linux-4.19.y f5d8eef0 cba33199 .config log report info
ci2-linux-4-19 2020/10/15 03:14 linux-4.19.y a1b977b4 fc7735a2 .config log report info
ci2-linux-4-19 2020/10/14 06:28 linux-4.19.y a1b977b4 fc7735a2 .config log report info
ci2-linux-4-19 2020/10/11 06:11 linux-4.19.y a1b977b4 4a77ae0b .config log report info
ci2-linux-4-19 2020/08/22 07:41 linux-4.19.y d18b78ab 6436ce4b .config log report
ci2-linux-4-19 2020/08/13 04:18 linux-4.19.y c14d30dc bc15f7db .config log report
ci2-linux-4-19 2020/08/08 11:55 linux-4.19.y 961f830a 01975a06 .config log report
ci2-linux-4-19 2020/07/31 04:16 linux-4.19.y 205a42ce 8df85ed9 .config log report
ci2-linux-4-19 2020/07/25 11:24 linux-4.19.y 20b3a3df 1f7cc1ca .config log report
ci2-linux-4-19 2020/07/18 00:11 linux-4.19.y 17a87580 9c812472 .config log report
ci2-linux-4-19 2020/07/13 01:40 linux-4.19.y dce0f886 9ebcc5b1 .config log report
ci2-linux-4-19 2020/07/10 01:23 linux-4.19.y dce0f886 edf162e8 .config log report
ci2-linux-4-19 2020/06/26 05:51 linux-4.19.y a39e7545 aea82c00 .config log report
ci2-linux-4-19 2020/06/22 06:05 linux-4.19.y 3fc89857 eabcced4 .config log report
ci2-linux-4-19 2020/06/16 22:56 linux-4.19.y 3fc89857 b9f3810b .config log report
ci2-linux-4-19 2020/06/13 23:34 linux-4.19.y 3fc89857 a61674a5 .config log report
ci2-linux-4-19 2020/06/12 19:40 linux-4.19.y 3fc89857 3036d6fd .config log report
ci2-linux-4-19 2020/06/12 16:42 linux-4.19.y 3fc89857 3036d6fd .config log report
ci2-linux-4-19 2020/06/12 10:07 linux-4.19.y 3fc89857 819b58b0 .config log report
ci2-linux-4-19 2020/06/11 01:25 linux-4.19.y 3fc89857 3ab7a05a .config log report
ci2-linux-4-19 2020/05/31 19:28 linux-4.19.y 2d16cf48 a0331e89 .config log report
ci2-linux-4-19 2020/05/26 23:17 linux-4.19.y 1bab61d3 9072c126 .config log report
ci2-linux-4-19 2020/05/25 22:00 linux-4.19.y 1bab61d3 73964a9b .config log report
ci2-linux-4-19 2020/05/23 09:33 linux-4.19.y 1bab61d3 4afdfa20 .config log report
ci2-linux-4-19 2020/05/21 19:42 linux-4.19.y 1bab61d3 4afdfa20 .config log report
ci2-linux-4-19 2020/05/18 18:43 linux-4.19.y 258f0cf7 24d91142 .config log report
ci2-linux-4-19 2020/05/18 00:44 linux-4.19.y 258f0cf7 37bccd4e .config log report
ci2-linux-4-19 2020/05/13 02:44 linux-4.19.y 033c4ea4 a44eb8f7 .config log report
ci2-linux-4-19 2020/05/10 06:14 linux-4.19.y 84920cc7 8742a2b9 .config log report
ci2-linux-4-19 2020/05/05 16:20 linux-4.19.y fdc07232 4b76dd25 .config log report
ci2-linux-4-19 2020/05/03 12:16 linux-4.19.y fdc07232 58ae5e18 .config log report
ci2-linux-4-19 2020/05/02 16:28 linux-4.19.y fdc07232 58da4c35 .config log report
ci2-linux-4-19 2020/05/01 08:52 linux-4.19.y 76567537 143a10e9 .config log report
ci2-linux-4-19 2019/08/10 00:06 linux-4.19.y 893af1c7 aff9e255 .config log report