syzbot


KASAN: use-after-free Read in bit_putcs
Status: fixed on 2020/11/16 12:12
Reported-by: syzbot+b308f5fd049fbbc6e74f@syzkaller.appspotmail.com
Fix commit: 988d0763 vt_ioctl: make VT_RESIZEX behave like VT_RESIZE
First crash: 442d, last: 218d
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 KASAN: global-out-of-bounds Read in bit_putcs C 231 2d09h 516d 0/1 upstream: reported C repro on 2019/12/07 16:26
linux-4.14 KASAN: use-after-free Read in bit_putcs 17 231d 517d 0/1 auto-closed as invalid on 2021/01/15 05:05
linux-4.19 KASAN: global-out-of-bounds Read in bit_putcs C 208 2d20h 518d 0/1 upstream: reported C repro on 2019/12/04 22:22
linux-4.19 KASAN: use-after-free Read in bit_putcs 18 281d 515d 0/1 auto-closed as invalid on 2020/11/26 07:35

Sample crash report:

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/09/26 02:02 upstream 171d4ff7 4a006f63 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/30 12:45 upstream ccc1d052 5abc3f1a .config log report info
ci-upstream-kasan-gce-root 2020/09/26 01:17 upstream 171d4ff7 4a006f63 .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/24 04:24 upstream c9c9e6a4 54289b08 .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/08 20:29 upstream 6f6a73c8 abf9ba4f .config log report
ci-upstream-kasan-gce-smack-root 2020/08/26 11:08 upstream 2ac69819 344da168 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/30 12:16 upstream d3590ebf 233283a1 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/12 05:00 upstream a581387e 18d18b59 .config log report
ci-upstream-kasan-gce-root 2020/06/16 00:40 upstream 7ae77150 baca2611 .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/08 15:22 upstream 7ae77150 7604bb03 .config log report
ci-upstream-kasan-gce-smack-root 2020/02/19 16:49 upstream 0a44cac8 b690a6e3 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/06/07 14:18 linux-next e7b08814 2c2b926c .config log report