syzbot


kernel BUG at drivers/android/binder_alloc.c:LINE! (4)
Status: fixed on 2019/08/05 13:45
Reported-by: syzbot+3ae18325f96190606754@syzkaller.appspotmail.com
Fix commit: bb4a2e48d510 binder: return errors from buffer copy functions
First crash: 1066d, last: 1057d

Cause bisection: introduced by (bisect log) :
commit bde4a19fc04f5f46298c86b1acb7a4af1d5f138d
Author: Todd Kjos <tkjos@android.com>
Date: Fri Feb 8 18:35:20 2019 +0000

  binder: use userspace pointer as base of buffer space

Crash: kernel BUG at drivers/android/binder_alloc.c:LINE! (log)
Repro: C syz .config
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG at drivers/android/binder_alloc.c:LINE! C 856 1624d 1629d 4/22 fixed on 2018/02/01 10:32
android-414 kernel BUG at drivers/android/binder_alloc.c:LINE! (2) C 3 1066d 1066d 0/1 public: reported C repro on 2019/06/17 23:05
upstream kernel BUG at drivers/android/binder_alloc.c:LINE! (3) C done 24 1078d 1147d 13/22 fixed on 2019/06/14 18:22
upstream kernel BUG at drivers/android/binder_alloc.c:LINE! (2) C 1257 1147d 1189d 12/22 fixed on 2019/03/28 12:00
android-414 kernel BUG at drivers/android/binder_alloc.c:LINE! C 30 1148d 1149d 1/1 fixed on 2019/03/28 03:28
android-49 kernel BUG at drivers/android/binder_alloc.c:LINE! C 44 901d 1149d 1/3 internal: reported C repro on 2019/03/26 19:34

Sample crash report:

Crashes (26):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2019/06/18 03:49 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/06/18 03:23 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce-root 2019/06/18 02:50 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce-root 2019/06/18 02:21 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce-root 2019/06/18 01:47 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/06/17 22:43 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce 2019/06/17 22:35 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/06/17 22:13 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce 2019/06/17 22:08 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/06/17 21:41 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/06/17 21:39 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce 2019/06/17 21:34 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce-386 2019/06/17 23:14 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce-386 2019/06/17 22:40 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-kasan-gce-386 2019/06/17 22:08 upstream 9e0babf2c06c 442206d7 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/06/26 09:54 linux-next 902031767aec 0a8d1a96 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/06/26 09:31 linux-next 902031767aec 0a8d1a96 .config log report syz C
ci-upstream-kasan-gce 2019/06/22 16:38 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-kasan-gce-root 2019/06/22 15:14 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-kasan-gce-smack-root 2019/06/22 00:42 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-kasan-gce 2019/06/20 13:59 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-kasan-gce 2019/06/17 21:07 upstream 9e0babf2c06c 442206d7 .config log report
ci-upstream-kasan-gce-selinux-root 2019/06/17 21:06 upstream 9e0babf2c06c 442206d7 .config log report
ci-upstream-kasan-gce-smack-root 2019/06/17 21:02 upstream 9e0babf2c06c 442206d7 .config log report
ci-upstream-kasan-gce-386 2019/06/20 14:00 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/06/20 14:02 linux-next c0e4c41afeef 34bf9440 .config log report