Module Name: src
Committed By: riastradh
Date: Sun Mar 13 11:30:13 UTC 2022
Modified Files:
src/sys/dev/usb: usb_subr.c usbdi.c usbdi_util.c
Log Message:
usb: Parse descriptors a little more robustly.
- Avoid reading past the end in the event of bogus bLength.
- Avoid arithmetic overflow by rearranging inequalities.
Reported-by: syzbot+511227c050a2f164e...@syzkaller.appspotmail.com
To generate a diff of this commit:
cvs rdiff -u -r1.271 -r1.272 src/sys/dev/usb/usb_subr.c
cvs rdiff -u -r1.236 -r1.237 src/sys/dev/usb/usbdi.c
cvs rdiff -u -r1.84 -r1.85 src/sys/dev/usb/usbdi_util.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
