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Fix strncat usage

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This look like a typo.  The intention was to use strlcat() however
strncat() was used instead accidentally this may lead to a buffer
overflow.  This was caught by gcc -D_FORTIFY_SOURCE=2.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf 2010-08-26 10:31:53 -07:00
parent ef5319df8e
commit 2a442d1629
1 changed files with 1 additions and 1 deletions
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2
lib/libzfs/libzfs_sendrecv.c
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@ -2467,7 +2467,7 @@ zfs_receive_one(libzfs_handle_t *hdl, int infd, const char *tosnap,
*/
(void) strcpy(zc.zc_top_ds, tosnap);
(void) strcpy(zc.zc_value, tosnap);
(void) strncat(zc.zc_value, chopprefix, sizeof (zc.zc_value));
(void) strlcat(zc.zc_value, chopprefix, sizeof (zc.zc_value));
free(cp);
if (!zfs_name_valid(zc.zc_value, ZFS_TYPE_SNAPSHOT)) {
zcmd_free_nvlists(&zc);