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pod: check that choices are not empty

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Before using the contents of a choice, check that it is not empty to
avoid reading out of bounds.
This commit is contained in:
Demi Marie Obenour 2025-07-08 18:25:51 -04:00 • committed by Wim Taymans
parent d37bdf5cbf
commit b04da87e38
7 changed files with 18 additions and 4 deletions
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2
pipewire-v4l2/src/pipewire-v4l2.c
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@ -2311,6 +2311,8 @@ static int vidioc_s_ctrl(struct file *file, struct v4l2_control *arg)
struct spa_pod_frame f[1];
struct spa_pod *param;
pod = spa_pod_get_values(type, &n_vals, &choice);
if (n_vals < 1)
break;
spa_pod_builder_push_object(&b, &f[0],
SPA_TYPE_OBJECT_Props, SPA_PARAM_Props);