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50 lines
1.6 KiB
50 lines
1.6 KiB
4 weeks ago
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diff -up kbd-2.6.1/src/libkfont/psffontop.c.orig kbd-2.6.1/src/libkfont/psffontop.c
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--- kbd-2.6.1/src/libkfont/psffontop.c.orig 2023-06-23 10:29:44.000000000 +0200
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+++ kbd-2.6.1/src/libkfont/psffontop.c 2023-06-30 14:06:06.363944776 +0200
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@@ -236,6 +236,7 @@ kfont_read_psffont(struct kfont_context
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if (psfhdr->mode > PSF1_MAXMODE) {
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KFONT_ERR(ctx, _("Unsupported psf file mode (%d)"), psfhdr->mode);
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+ free(psfhdr);
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return -EX_DATAERR;
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}
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fontlen = ((psfhdr->mode & PSF1_MODE512) ? 512 : 256);
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@@ -253,6 +254,7 @@ kfont_read_psffont(struct kfont_context
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if (psfhdr.version > PSF2_MAXVERSION) {
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KFONT_ERR(ctx, _("Unsupported psf version (%d)"), psfhdr.version);
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+ free(inputbuf);
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return -EX_DATAERR;
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}
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fontlen = assemble_uint32((unsigned char *)&psfhdr.length);
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@@ -263,16 +265,20 @@ kfont_read_psffont(struct kfont_context
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fontwidth = assemble_uint32((unsigned char *)&psfhdr.width);
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fontheight= assemble_uint32((unsigned char *)&psfhdr.height);
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utf8 = 1;
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- } else
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+ } else {
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+ free(inputbuf);
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return -EX_DATAERR; /* not psf */
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+ }
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/* tests required - we divide by these */
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if (fontlen == 0) {
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KFONT_ERR(ctx, _("zero input font length?"));
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+ free(inputbuf);
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return -EX_DATAERR;
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}
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if (charsize == 0) {
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KFONT_ERR(ctx, _("zero input character size?"));
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+ free(inputbuf);
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return -EX_DATAERR;
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}
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@@ -286,6 +292,7 @@ kfont_read_psffont(struct kfont_context
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if (i > inputlth || (!hastable && i != inputlth)) {
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KFONT_ERR(ctx, _("Input file: bad input length (%d)"), inputlth);
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+ free(inputbuf);
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return -EX_DATAERR;
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}
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