kbd/kbd-2.4.0-covscan-fixes.patch
2021-05-05 10:32:21 +02:00

94 lines
3.0 KiB
Diff

diff -up kbd-2.4.0/src/libkbdfile/kbdfile.c.orig kbd-2.4.0/src/libkbdfile/kbdfile.c
--- kbd-2.4.0/src/libkbdfile/kbdfile.c.orig 2020-11-11 13:44:48.000000000 +0100
+++ kbd-2.4.0/src/libkbdfile/kbdfile.c 2021-04-27 09:58:08.405671071 +0200
@@ -39,8 +39,10 @@ kbdfile_new(struct kbdfile_ctx *ctx)
if (!fp->ctx) {
fp->ctx = kbdfile_context_new();
- if (!fp->ctx)
+ if (!fp->ctx) {
+ free(fp);
return NULL;
+ }
fp->flags |= KBDFILE_CTX_INITIALIZED;
}
@@ -69,7 +71,7 @@ kbdfile_get_pathname(struct kbdfile *fp)
int
kbdfile_set_pathname(struct kbdfile *fp, const char *pathname)
{
- strncpy(fp->pathname, pathname, sizeof(fp->pathname));
+ strncpy(fp->pathname, pathname, sizeof(fp->pathname) - 1);
return 0;
}
@@ -385,7 +387,7 @@ kbdfile_find(const char *fnam, const cha
fp->flags &= ~KBDFILE_PIPE;
/* Try explicitly given name first */
- strncpy(fp->pathname, fnam, sizeof(fp->pathname));
+ strncpy(fp->pathname, fnam, sizeof(fp->pathname) - 1);
if (!maybe_pipe_open(fp))
return 0;
diff -up kbd-2.4.0/src/libkeymap/common.c.orig kbd-2.4.0/src/libkeymap/common.c
--- kbd-2.4.0/src/libkeymap/common.c.orig 2019-06-24 13:55:23.000000000 +0200
+++ kbd-2.4.0/src/libkeymap/common.c 2021-04-27 09:58:08.405671071 +0200
@@ -139,6 +139,7 @@ init_array(struct lk_ctx *ctx, struct lk
rc = lk_array_init(ptr, size, 0);
if (rc < 0) {
ERR(ctx, _("unable to initialize array: %s"), strerror(rc));
+ free(ptr);
return -1;
}
diff -up kbd-2.4.0/src/libkfont/psffontop.c.orig kbd-2.4.0/src/libkfont/psffontop.c
--- kbd-2.4.0/src/libkfont/psffontop.c.orig 2020-04-27 17:53:01.000000000 +0200
+++ kbd-2.4.0/src/libkfont/psffontop.c 2021-04-27 09:59:14.170153676 +0200
@@ -235,6 +235,7 @@ kfont_read_psffont(struct kfont_context
if (psfhdr->mode > PSF1_MAXMODE) {
KFONT_ERR(ctx, _("Unsupported psf file mode (%d)"), psfhdr->mode);
+ free(psfhdr);
return -EX_DATAERR;
}
fontlen = ((psfhdr->mode & PSF1_MODE512) ? 512 : 256);
@@ -251,6 +252,7 @@ kfont_read_psffont(struct kfont_context
if (psfhdr.version > PSF2_MAXVERSION) {
KFONT_ERR(ctx, _("Unsupported psf version (%d)"), psfhdr.version);
+ free(inputbuf);
return -EX_DATAERR;
}
fontlen = assemble_uint32((unsigned char *)&psfhdr.length);
@@ -260,16 +262,20 @@ kfont_read_psffont(struct kfont_context
ftoffset = assemble_uint32((unsigned char *)&psfhdr.headersize);
fontwidth = assemble_uint32((unsigned char *)&psfhdr.width);
utf8 = 1;
- } else
+ } else {
+ free(inputbuf);
return -EX_DATAERR; /* not psf */
+ }
/* tests required - we divide by these */
if (fontlen == 0) {
KFONT_ERR(ctx, _("zero input font length?"));
+ free(inputbuf);
return -EX_DATAERR;
}
if (charsize == 0) {
KFONT_ERR(ctx, _("zero input character size?"));
+ free(inputbuf);
return -EX_DATAERR;
}
@@ -277,6 +283,7 @@ kfont_read_psffont(struct kfont_context
if (i > inputlth || (!hastable && i != inputlth)) {
KFONT_ERR(ctx, _("Input file: bad input length (%d)"), inputlth);
+ free(inputbuf);
return -EX_DATAERR;
}