18 lines
654 B
Diff
18 lines
654 B
Diff
--- dcraw/dcraw.c 2022-04-12 14:29:23.791896447 +0200
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+++ dcraw/dcraw.c 2022-04-12 14:59:50.767180929 +0200
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@@ -3289,7 +3289,13 @@
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}
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} else if (type == 4) {
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free (meta_data);
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- meta_data = (char *) malloc (meta_length = wide*high*3/2);
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+ meta_data = NULL;
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+ meta_length = wide*high*3/2;
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+ if (meta_length/wide != high*3/2) {
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+ fprintf(stderr, "Potential buffer overflow (meta_length %u, wide %u, high %u). Bailing out...\n", meta_length, wide, high);
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+ longjmp(failure, 2);
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+ }
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+ meta_data = (char *) malloc (meta_length);
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merror (meta_data, "foveon_load_camf()");
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foveon_huff (huff);
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get4();
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