[PATCH 3.16 213/366] vt: prevent leaking uninitialized data to userspace via /dev/vcs*

2018-11-11 Thread Ben Hutchings
3.16.61-rc1 review patch. If anyone has any objections, please let me know. -- From: Alexander Potapenko commit 21eff690e766ca0ce445b477698dc6a9f55a upstream. KMSAN reported an infoleak when reading from /dev/vcs*: BUG: KMSAN: kernel-infoleak in vcs_read+0x18ba/0x1cc0

Re: [PATCH 3.16 213/366] vt: prevent leaking uninitialized data to userspace via /dev/vcs*

2018-11-11 Thread syzbot
3.16.61-rc1 review patch. If anyone has any objections, please let me know. -- From: Alexander Potapenko commit 21eff690e766ca0ce445b477698dc6a9f55a upstream. KMSAN reported an infoleak when reading from /dev/vcs*: BUG: KMSAN: kernel-infoleak in vcs_read+0x