aboutsummaryrefslogtreecommitdiffstats
path: root/libavdevice/alldevices.c
diff options
context:
space:
mode:
authorXi Wang <xi.wang@gmail.com>2013-03-15 06:59:22 -0400
committerReinhard Tartler <siretart@tauware.de>2013-05-09 11:29:05 +0200
commit530d10792de29a25dc56781abe6864e5b31b8ced (patch)
treee3980a2360cdb3e854c1ae345777df4f4b98b3ea /libavdevice/alldevices.c
parentf8d3bb8961d2cdea38ae2971436deae556d78f08 (diff)
downloadffmpeg-530d10792de29a25dc56781abe6864e5b31b8ced.tar.gz
lzo: fix overflow checking in copy_backptr()
The check `src > dst' in the form `&c->out[-back] > c->out' invokes pointer overflow, which is undefined behavior in C. Remove the check. Also replace `&c->out[-back] < c->out_start' with a safe form `c->out - c->out_start < back' to avoid overflow. CC: libav-stable@libav.org Signed-off-by: Xi Wang <xi.wang@gmail.com> Signed-off-by: Luca Barbato <lu_zero@gentoo.org> (cherry picked from commit ca6c3f2c53be70aa3c38e8f1292809db89ea1ba6) Conflicts: libavutil/lzo.c
Diffstat (limited to 'libavdevice/alldevices.c')
0 files changed, 0 insertions, 0 deletions