diff options
| author | Linux Build Service Account <lnxbuild@localhost> | 2019-10-30 00:08:05 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2019-10-30 00:08:06 -0700 |
| commit | 2eab6d5e0752c61898704103fc9d27720696abee (patch) | |
| tree | b934dff6516f9685e14841693888389bf2c2e91a | |
| parent | e42757fc730430938dfe990125da9e417cfa11e6 (diff) | |
| parent | eb4b0ca0f8dc19248b5bab8c7dcab7382522641c (diff) | |
Merge "drm/msm/hdmi-staging: Fix Buffer Overflow" into kernel.lnx.4.4.r38-rel
| -rw-r--r-- | drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c index 5a9e56b58158..d755ba959c20 100644 --- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c +++ b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c @@ -78,7 +78,12 @@ static ssize_t _sde_hdmi_debugfs_dump_info_read(struct file *file, if (!buf) return -ENOMEM; - len += snprintf(buf, SZ_4K, "name = %s\n", display->name); + len += snprintf(buf, SZ_1K, "name = %s\n", display->name); + + if (len > count) { + kfree(buf); + return -ENOMEM; + } if (copy_to_user(buff, buf, len)) { kfree(buf); |