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| author | Zdenek Kabelac <zkabelac@redhat.com> | 2015-08-18 11:28:02 +0200 |
|---|---|---|
| committer | Zdenek Kabelac <zkabelac@redhat.com> | 2015-08-18 14:53:36 +0200 |
| commit | 70db1d523db330cbdfc39163c30dc00cf16a1fdc (patch) | |
| tree | 145358c1877cb21091a51a24cb581362298d0bee /lib/format_text/text_label.c | |
| parent | 8e229cb7ea37ccab0e235e53d27adca9b32ffae0 (diff) | |
| download | lvm2-70db1d523db330cbdfc39163c30dc00cf16a1fdc.tar.gz | |
lvmcache: check for too long pvid
Diffstat (limited to 'lib/format_text/text_label.c')
| -rw-r--r-- | lib/format_text/text_label.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/format_text/text_label.c b/lib/format_text/text_label.c index 4ad2ccdb2..5835bc297 100644 --- a/lib/format_text/text_label.c +++ b/lib/format_text/text_label.c @@ -94,9 +94,11 @@ static int _text_write(struct label *label, void *buf) * PV header base */ /* FIXME Move to where label is created */ - strncpy(label->type, LVM2_LABEL, sizeof(label->type)); - - strncpy((char *)lh->type, label->type, sizeof(label->type)); + if (!dm_strncpy(label->type, LVM2_LABEL, sizeof(label->type)) || + !dm_strncpy((char *)lh->type, label->type, sizeof(label->type))) { + log_error(INTERNAL_ERROR "LVM2 label %s does not fit.", LVM2_LABEL); + return 0; + } pvhdr = (struct pv_header *) ((char *) buf + xlate32(lh->offset_xl)); info = (struct lvmcache_info *) label->info; |