Module Name: src
Committed By: maxv
Date: Sun May 31 17:52:59 UTC 2020
Modified Files:
src/sys/dev/usb: usb_subr.c
Log Message:
If we failed because we didn't encounter an endpoint, do not attempt to
read 'ed', because its value is past the end of the buffer, and we thus
perform out-of-bounds accesses.
Detected thanks to vHCI+KASAN. First bug found by USB fuzzing.
Reported-by: syzbot+59e7f6b3f353584ac...@syzkaller.appspotmail.com
To generate a diff of this commit:
cvs rdiff -u -r1.244 -r1.245 src/sys/dev/usb/usb_subr.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
