88 lines
2.5 KiB
Diff
88 lines
2.5 KiB
Diff
[PATCH] Fix libmount build under uClibc
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Taken from gentoo-hardened:
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http://git.overlays.gentoo.org/gitweb/?p=proj/hardened-dev.git;a=commit;h=91879751
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For details, see https://bugs.gentoo.org/show_bug.cgi?id=406303
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Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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diff -Naur util-linux-2.20.1.orig/libmount/src/tab_parse.c util-linux-2.20.1/libmount/src/tab_parse.c
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--- util-linux-2.20.1.orig/libmount/src/tab_parse.c 2011-12-12 20:51:06.646614964 -0500
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+++ util-linux-2.20.1/libmount/src/tab_parse.c 2011-12-12 21:02:03.587865010 -0500
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@@ -51,19 +51,21 @@
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*/
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static int mnt_parse_table_line(struct libmnt_fs *fs, char *s)
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{
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- int rc, n = 0;
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- char *src, *fstype, *optstr;
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-
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- rc = sscanf(s, UL_SCNsA" " /* (1) source */
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- UL_SCNsA" " /* (2) target */
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- UL_SCNsA" " /* (3) FS type */
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- UL_SCNsA" " /* (4) options */
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+ int rc, n = 0, len = strlen (s) + 1;
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+ char *src = malloc (sizeof *src * len);
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+ char *fstype = malloc (sizeof *fstype * len);
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+ char *optstr = malloc (sizeof *optstr * len);
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+
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+ rc = sscanf(s, "%s"" " /* (1) source */
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+ "%s"" " /* (2) target */
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+ "%s"" " /* (3) FS type */
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+ "%s"" " /* (4) options */
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"%n", /* byte count */
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- &src,
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- &fs->target,
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- &fstype,
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- &optstr,
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+ src,
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+ fs->target,
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+ fstype,
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+ optstr,
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&n);
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if (rc == 4) {
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@@ -108,16 +110,20 @@
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*/
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static int mnt_parse_mountinfo_line(struct libmnt_fs *fs, char *s)
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{
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- int rc, end = 0;
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+ int rc, end = 0, len = strlen (s) + 1;
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unsigned int maj, min;
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char *fstype, *src, *p;
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+ fs->root = malloc (sizeof *fs->root * len);
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+ fs->target = malloc (sizeof *fs->target * len);
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+ fs->vfs_optstr = malloc (sizeof *fs->vfs_optstr * len);
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+
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rc = sscanf(s, "%u " /* (1) id */
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"%u " /* (2) parent */
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"%u:%u " /* (3) maj:min */
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- UL_SCNsA" " /* (4) mountroot */
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- UL_SCNsA" " /* (5) target */
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- UL_SCNsA /* (6) vfs options (fs-independent) */
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+ "%s"" " /* (4) mountroot */
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+ "%s"" " /* (5) target */
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+ "%s" /* (6) vfs options (fs-independent) */
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"%n", /* number of read bytes */
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&fs->id,
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@@ -139,9 +145,14 @@
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}
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s = p + 3;
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- rc += sscanf(s, UL_SCNsA" " /* (8) FS type */
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- UL_SCNsA" " /* (9) source */
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- UL_SCNsA, /* (10) fs options (fs specific) */
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+ len = strlen (s) + 1;
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+ fstype = malloc (sizeof *fstype * len);
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+ src = malloc (sizeof *src * len);
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+ fs->fs_optstr = malloc (sizeof *fs->fs_optstr * len);
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+
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+ rc += sscanf(s, "%s"" " /* (8) FS type */
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+ "%s"" " /* (9) source */
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+ "%s", /* (10) fs options (fs specific) */
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&fstype,
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&src,
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