syzbot


KASAN: use-after-free Read in disk_unblock_events
Status: fixed on 2018/04/09 09:36
Reported-by: syzbot+148f2573ec86c854cdac7339c41b98e31a94150a@syzkaller.appspotmail.com
Fix commit: 897366537fb6 genhd: Fix use after free in __blkdev_get()
First crash: 1555d, last: 1439d
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-44 KASAN: use-after-free Read in disk_unblock_events C 367 780d 1016d 0/2 public: reported C repro on 2019/04/12 00:00
android-49 KASAN: use-after-free Read in disk_unblock_events C 665 1113d 1553d 0/3 closed as invalid on 2019/01/08 21:30
android-49 KASAN: use-after-free Read in disk_unblock_events (2) C 200 783d 1017d 0/3 public: reported C repro on 2019/04/11 08:44
linux-4.14 KASAN: use-after-free Read in disk_unblock_events C 126 24d 1009d 0/1 upstream: reported C repro on 2019/04/19 06:17
android-414 KASAN: use-after-free Read in disk_unblock_events C 114 785d 1017d 0/1 public: reported C repro on 2019/04/11 00:00

Sample crash report:

Crashes (65):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2018/01/16 12:00 upstream a8750ddca918 4198e588 .config log report syz C
ci-upstream-kasan-gce 2018/01/03 23:46 upstream d6bbd51587ec 00193447 .config log report syz C
ci-upstream-kasan-gce 2017/12/23 08:05 upstream 9c294ec08408 73aba437 .config log report syz C
ci-upstream-kasan-gce 2017/10/25 04:47 upstream ae59df0349ba 3d7d860f .config log report syz C
ci-upstream-kasan-gce-386 2018/01/16 16:11 upstream a8750ddca918 4198e588 .config log report syz C
ci-upstream-kasan-gce-386 2017/12/23 07:58 upstream 9c294ec08408 73aba437 .config log report syz C
ci-upstream-next-kasan-gce 2018/01/16 16:05 linux-next fdddade65d7b 4198e588 .config log report syz C
ci-upstream-mmots-kasan-gce 2018/01/16 14:53 mmots ce3c209f6733 4198e588 .config log report syz C
ci-upstream-mmots-kasan-gce 2018/01/04 00:29 mmots ad036b63ee57 00193447 .config log report syz C
ci-upstream-next-kasan-gce 2018/01/03 23:32 linux-next 73005e1a35fd 00193447 .config log report syz C
ci-upstream-next-kasan-gce 2017/12/24 08:30 linux-next 0e08c463db38 73aba437 .config log report syz C
ci-upstream-mmots-kasan-gce 2017/12/23 21:54 mmots 37759fa6d0fa 73aba437 .config log report syz C
ci-upstream-next-kasan-gce 2017/10/29 20:52 linux-next 36ef71cae353 e511d9f8 .config log report syz C
ci-upstream-next-kasan-gce 2017/10/29 08:27 linux-next 36ef71cae353 e511d9f8 .config log report syz C
ci-upstream-next-kasan-gce 2017/10/28 12:26 linux-next 36ef71cae353 e511d9f8 .config log report syz C
ci-upstream-next-kasan-gce 2017/10/25 04:54 linux-next 36ef71cae353 e511d9f8 .config log report syz C
ci-upstream-mmots-kasan-gce 2017/10/25 04:47 mmots 0f611fb6dcc0 e0a2b195 .config log report syz C
ci-upstream-kasan-gce 2017/10/28 12:22 upstream 11224e1fc40a 80c74880 .config log report syz
ci-upstream-kasan-gce 2017/10/25 04:31 upstream ae59df0349ba 3d7d860f .config log report syz
ci-upstream-kasan-gce 2018/02/13 18:37 upstream 61f14c015f5b 88bc17df .config log report
ci-upstream-kasan-gce 2018/02/02 16:36 upstream 4bf772b14675 632a8c2c .config log report
ci-upstream-kasan-gce 2018/01/17 19:08 upstream 8cbab92dff77 d7bc5820 .config log report
ci-upstream-kasan-gce 2017/12/27 08:47 upstream beacbc68ac3e 09c8f4c0 .config log report
ci-upstream-kasan-gce 2017/12/23 08:12 upstream 9c294ec08408 73aba437 .config log report
ci-upstream-kasan-gce 2017/12/03 21:03 upstream ae64f9bd1d36 48359b97 .config log report
ci-upstream-kasan-gce 2017/11/21 12:36 upstream e1d1ea549b57 d4d14b03 .config log report
ci-upstream-kasan-gce 2017/11/14 14:20 upstream 43ff2f4db9d0 cf38de00 .config log report
ci-upstream-kasan-gce 2017/11/12 03:41 upstream b39545684a90 e0a2b195 .config log report
ci-upstream-kasan-gce 2017/11/10 22:29 upstream 5cf2360ba6ec e0a2b195 .config log report
ci-upstream-kasan-gce 2017/11/10 07:42 upstream 1c9dbd4615fd e0a2b195 .config log report
ci-upstream-kasan-gce 2017/11/03 19:37 upstream 866ba84ea30f e930d6f6 .config log report
ci-upstream-kasan-gce 2017/10/28 04:16 upstream 15f859ae5c43 80c74880 .config log report
ci-upstream-kasan-gce-386 2017/12/12 11:43 upstream a638349bf6c2 081721ff .config log report
ci-upstream-kasan-gce-386 2017/12/05 14:22 upstream fd6d2e506ce6 de212f1a .config log report
ci-upstream-kasan-gce-386 2017/12/04 08:47 upstream ae64f9bd1d36 48359b97 .config log report
ci-upstream-kasan-gce-386 2017/12/01 13:43 upstream 3c1c4ddffb58 2fa91450 .config log report
ci-upstream-kasan-gce-386 2017/11/28 18:57 upstream 43f462f1c2e1 ac93d7e1 .config log report
ci-upstream-kasan-gce-386 2017/11/28 09:44 upstream 4fbd8d194f06 ac93d7e1 .config log report
ci-upstream-kasan-gce-386 2017/11/27 14:20 upstream 4fbd8d194f06 ac93d7e1 .config log report
ci-upstream-kasan-gce-386 2017/11/26 12:31 upstream 844056fd74eb 4bd70f88 .config log report
ci-upstream-kasan-gce-386 2017/11/25 01:17 net-next 1d3b78bbc6e9 deb5f6ae .config log report
ci-upstream-kasan-gce-386 2017/11/24 08:10 net-next 1d3b78bbc6e9 deb5f6ae .config log report
ci-upstream-kasan-gce-386 2017/11/21 08:01 upstream c8a0739b185d eff27f33 .config log report
ci-upstream-kasan-gce-386 2017/11/02 15:48 upstream 3a99df9a3d14 dab7524e .config log report
ci-upstream-kasan-gce-386 2017/10/31 23:49 upstream 287683d027a3 e775312e .config log report
ci-upstream-kasan-gce-386 2017/10/31 17:26 upstream 5f479447d983 2de9b525 .config log report
ci-upstream-net-kasan-gce 2017/11/25 00:35 net-next 1d3b78bbc6e9 deb5f6ae .config log report
ci-upstream-mmots-kasan-gce 2018/01/20 14:13 mmots 2734fabdcba4 fbbdcd92 .config log report
ci-upstream-mmots-kasan-gce 2018/01/20 09:37 mmots 2734fabdcba4 fbbdcd92 .config log report
ci-upstream-mmots-kasan-gce 2017/11/26 20:05 mmots 1ea8d039f9ed deb5f6ae .config log report
ci-upstream-mmots-kasan-gce 2017/11/25 20:09 mmots 1ea8d039f9ed deb5f6ae .config log report
ci-upstream-next-kasan-gce 2017/11/22 12:25 linux-next 1efc584c7106 31af2ce0 .config log report
ci-upstream-mmots-kasan-gce 2017/11/18 02:50 mmots 9390953851bb 84dd36ba .config log report
ci-upstream-next-kasan-gce 2017/11/17 20:01 linux-next ee92513eae01 9badd053 .config log report
ci-upstream-next-kasan-gce 2017/11/17 04:29 linux-next 785be731fbc6 348d8f13 .config log report
ci-upstream-next-kasan-gce 2017/11/16 22:06 linux-next 785be731fbc6 348d8f13 .config log report
ci-upstream-mmots-kasan-gce 2017/11/14 04:57 mmots 97530111c84b 00f6ff58 .config log report
ci-upstream-next-kasan-gce 2017/11/05 04:51 linux-next 5a3517e009e9 e0a2b195 .config log report
ci-upstream-next-kasan-gce 2017/11/01 04:44 linux-next 36ef71cae353 e511d9f8 .config log report