Fix memory leak in _zbar_sq_decode #294
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jasp00
reviewed
Aug 30, 2024
| @@ -371,7 +371,7 @@ found_start:; | |||
| border_len = 1; | |||
| top_border = malloc(sizeof(sq_point)); | |||
| if (!top_border) | |||
| return 1; | |||
| goto free_borders; | |||
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I think there is no leak because the top border is the first one that would be allocated. Skipping free_borders is a matter of speed.
| @@ -471,7 +471,7 @@ found_start:; | |||
| } | |||
| } | |||
| if (cur_len != border_len || border_len < 6) | |||
| return 1; | |||
| goto free_borders; | |||
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It seems there is a leak. This change looks fine.
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This patch fixes two error paths where
_zbar_sq_decodereturns without executing thefree_borderscleanup code and leaks memory.