syzbot


KASAN: use-after-free Read in ext4_data_block_valid
Status: auto-closed as invalid on 2019/06/29 18:27
Reported-by: syzbot+5879b432a850c9a2795a@syzkaller.appspotmail.com
First crash: 1168d, last: 936d
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 KASAN: use-after-free Read in ext4_data_block_valid 5 421d 709d 0/1 auto-closed as invalid on 2020/09/26 20:10
android-414 KASAN: use-after-free Read in ext4_data_block_valid (2) 6 610d 671d 0/1 auto-closed as invalid on 2020/03/21 21:05
upstream KASAN: use-after-free Read in ext4_data_block_valid 108 731d 1178d 14/22 fixed on 2019/10/15 23:40
android-414 KASAN: use-after-free Read in ext4_data_block_valid 12 862d 833d 0/1 auto-closed as invalid on 2019/09/11 10:38
linux-4.19 KASAN: use-after-free Read in ext4_data_block_valid 2 667d 730d 0/1 auto-closed as invalid on 2020/01/24 00:27
android-49 KASAN: use-after-free Read in ext4_data_block_valid (2) 1 607d 607d 0/3 auto-closed as invalid on 2020/03/24 07:08

Sample crash report:

Crashes (21):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-android-49-kasan-gce-root 2018/12/31 18:26 https://android.googlesource.com/kernel/common android-4.9 9f23a833fdcd 2b42fdc8 .config log report
ci-android-49-kasan-gce-root 2018/12/10 05:07 https://android.googlesource.com/kernel/common android-4.9 860c8b893191 96cc4c50 .config log report
ci-android-49-kasan-gce-root 2018/11/25 09:35 https://android.googlesource.com/kernel/common android-4.9 f44ed2c9232d 3d3ec907 .config log report
ci-android-49-kasan-gce-root 2018/11/18 00:21 https://android.googlesource.com/kernel/common android-4.9 109a48ed2f69 adf636a8 .config log report
ci-android-49-kasan-gce-root 2018/09/07 05:20 https://android.googlesource.com/kernel/common android-4.9 dcae9fa1319b e30d3b52 .config log report
ci-android-49-kasan-gce-root 2018/09/04 19:34 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config log report
ci-android-49-kasan-gce-root 2018/09/03 08:07 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config log report
ci-android-49-kasan-gce-root 2018/09/03 01:53 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config log report
ci-android-49-kasan-gce-root 2018/09/02 05:25 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config log report
ci-android-49-kasan-gce-root 2018/09/01 12:20 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config log report
ci-android-49-kasan-gce-root 2018/08/31 14:40 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c a4718693 .config log report
ci-android-49-kasan-gce-root 2018/08/26 14:34 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 758cd203 .config log report
ci-android-49-kasan-gce-root 2018/08/25 13:51 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 9be5aa1d .config log report
ci-android-49-kasan-gce-root 2018/07/24 02:43 https://android.googlesource.com/kernel/common android-4.9 47bbcd6bf8f9 912c93d7 .config log report
ci-android-49-kasan-gce-root 2018/07/23 01:01 https://android.googlesource.com/kernel/common android-4.9 47bbcd6bf8f9 8cc079c3 .config log report
ci-android-49-kasan-gce-root 2018/07/23 00:41 https://android.googlesource.com/kernel/common android-4.9 47bbcd6bf8f9 8cc079c3 .config log report
ci-android-49-kasan-gce-root 2018/07/21 05:02 https://android.googlesource.com/kernel/common android-4.9 47bbcd6bf8f9 af255b09 .config log report
ci-android-49-kasan-gce-root 2018/07/19 23:07 https://android.googlesource.com/kernel/common android-4.9 47bbcd6bf8f9 49f35839 .config log report
ci-android-49-kasan-gce-root 2018/07/15 18:02 https://android.googlesource.com/kernel/common android-4.9 9e7903954483 92a49505 .config log report
ci-android-49-kasan-gce-root 2018/07/14 22:34 https://android.googlesource.com/kernel/common android-4.9 9e7903954483 92a49505 .config log report
ci-android-49-kasan-gce-root 2018/05/13 03:23 https://android.googlesource.com/kernel/common android-4.9 c2f9bce9fee8 e726f42b .config log report