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| author | Zdenek Kabelac <zkabelac@redhat.com> | 2021-09-24 14:25:40 +0200 |
|---|---|---|
| committer | Zdenek Kabelac <zkabelac@redhat.com> | 2021-09-27 18:56:13 +0200 |
| commit | 27eef1b96402abaadbd328d8912f3ccce96df5e2 (patch) | |
| tree | 38393aa9203d77b20178241b1a7968feb95ed3bc | |
| parent | 3a3aabb8326c3ccfb9266663b538b9769ebccf28 (diff) | |
| download | lvm2-27eef1b96402abaadbd328d8912f3ccce96df5e2.tar.gz | |
cov: make more obvious buffer is zero ended
| -rw-r--r-- | tools/pvck.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/pvck.c b/tools/pvck.c index b96b1c784..5273da63c 100644 --- a/tools/pvck.c +++ b/tools/pvck.c @@ -901,7 +901,7 @@ static int _dump_current_text(struct device *dev, struct devicefile *def, int ri = rlocn_index; /* 0 or 1 */ int bad = 0; - if (!(meta_buf = zalloc(meta_size + 1))) { + if (!(meta_buf = malloc(meta_size + 1))) { log_print("CHECK: mda_header_%d.raw_locn[%d] no mem for metadata text size %llu", mn, ri, (unsigned long long)meta_size); return 0; @@ -947,6 +947,7 @@ static int _dump_current_text(struct device *dev, struct devicefile *def, } } + meta_buf[meta_size] = 0; crc = calc_crc(INITIAL_CRC, (uint8_t *)meta_buf, meta_size); if (crc != meta_checksum) { log_print("CHECK: metadata text at %llu crc does not match mda_header_%d.raw_locn[%d].checksum", |