In function nfs_parse_square_bracket, hostname could be NULL, dereferencing it in free(*hostname) may cause an unexpected segfault. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2136807 Signed-off-by: Zhi Li <yieli@xxxxxxxxxx> --- utils/mount/parse_dev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/utils/mount/parse_dev.c b/utils/mount/parse_dev.c index 0d3bcb95..2ade5d5d 100644 --- a/utils/mount/parse_dev.c +++ b/utils/mount/parse_dev.c @@ -170,7 +170,8 @@ static int nfs_parse_square_bracket(const char *dev, if (pathname) { *pathname = strndup(cbrace, path_len); if (*pathname == NULL) { - free(*hostname); + if (hostname) + free(*hostname); return nfs_pdn_nomem_err(); } } -- 2.37.3
