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| author | Karel Zak | 2009-04-29 16:38:36 +0200 |
|---|---|---|
| committer | Karel Zak | 2009-04-29 16:38:36 +0200 |
| commit | 4884729a6e5c2dbd0c7cdf356a86543525e43661 (patch) | |
| tree | 7d8d7efb883cad848160ab391e4ef6bf2af82b02 /libs/blkid/src/probe.c | |
| parent | tests: fix -regex in run.sh (diff) | |
| download | kernel-qcow2-util-linux-4884729a6e5c2dbd0c7cdf356a86543525e43661.tar.gz kernel-qcow2-util-linux-4884729a6e5c2dbd0c7cdf356a86543525e43661.tar.xz kernel-qcow2-util-linux-4884729a6e5c2dbd0c7cdf356a86543525e43661.zip | |
blkid: linux_raid - fix logic for volumes with size == 0
Based on
commit 7643819062985d9fc6c7664072576e71d3822b10
Author: Kay Sievers <kay.sievers@vrfy.org>
Date: Sat Sep 6 16:23:21 2008 +0200
from udev upstream tree.
Reported-by: Scott James Remnant <scott@ubuntu.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'libs/blkid/src/probe.c')
| -rw-r--r-- | libs/blkid/src/probe.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libs/blkid/src/probe.c b/libs/blkid/src/probe.c index e6038c206..0e4745aca 100644 --- a/libs/blkid/src/probe.c +++ b/libs/blkid/src/probe.c @@ -196,6 +196,11 @@ unsigned char *blkid_probe_get_buffer(blkid_probe pr, { ssize_t ret_read = 0; + if (off < 0 || len < 0) { + DBG(DEBUG_LOWPROBE, + printf("unexpected offset or length of buffer requested\n")); + return NULL; + } if (off + len <= BLKID_SB_BUFSIZ) { if (!pr->sbbuf) { pr->sbbuf = malloc(BLKID_SB_BUFSIZ); |