diff options
Diffstat (limited to 'util-linux/mount.c')
| -rw-r--r-- | util-linux/mount.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/util-linux/mount.c b/util-linux/mount.c index 4392363ba..620b14667 100644 --- a/util-linux/mount.c +++ b/util-linux/mount.c @@ -1043,12 +1043,10 @@ static NOINLINE int nfsmount(struct mntent *mp, long vfsflags, char *filteropts) bb_herror_msg("%s", hostname); goto fail; } - if ((size_t)hp->h_length > sizeof(struct in_addr)) { - bb_error_msg("got bad hp->h_length"); - hp->h_length = sizeof(struct in_addr); + if (hp->h_length != (int)sizeof(struct in_addr)) { + bb_error_msg_and_die("only IPv4 is supported"); } - memcpy(&server_addr.sin_addr, - hp->h_addr, hp->h_length); + memcpy(&server_addr.sin_addr, hp->h_addr_list[0], sizeof(struct in_addr)); } memcpy(&mount_server_addr, &server_addr, sizeof(mount_server_addr)); @@ -1331,13 +1329,11 @@ static NOINLINE int nfsmount(struct mntent *mp, long vfsflags, char *filteropts) bb_herror_msg("%s", mounthost); goto fail; } - if ((size_t)hp->h_length > sizeof(struct in_addr)) { - bb_error_msg("got bad hp->h_length"); - hp->h_length = sizeof(struct in_addr); + if (hp->h_length != (int)sizeof(struct in_addr)) { + bb_error_msg_and_die("only IPv4 is supported"); } mount_server_addr.sin_family = AF_INET; - memcpy(&mount_server_addr.sin_addr, - hp->h_addr, hp->h_length); + memcpy(&mount_server_addr.sin_addr, hp->h_addr_list[0], sizeof(struct in_addr)); } } |