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Cluster Project branch, RHEL5, updated. cmirror_1_1_15-18-g0484ef9
- From: teigland at sourceware dot org
- To: cluster-cvs at sources dot redhat dot com, cluster-devel at redhat dot com
- Date: 24 Mar 2008 21:28:46 -0000
- Subject: Cluster Project branch, RHEL5, updated. cmirror_1_1_15-18-g0484ef9
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The branch, RHEL5 has been updated
via 0484ef93e8d09313f8f110d23c2a6a6b4aca2f60 (commit)
from d3f69f52ce9c48a7abd4fb89efc3897aac9bb1c4 (commit)
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- Log -----------------------------------------------------------------
commit 0484ef93e8d09313f8f110d23c2a6a6b4aca2f60
Author: Christine Caulfield <ccaulfie@redhat.com>
Date: Thu Mar 13 16:44:00 2008 +0000
[DLM] Don't segfault if lvbptr is NULL
Calling dlm_lock* with LKF_VALBLK and sb_lvbptr set
to NULL could cause libdlm to segfault.
Now it returns -1/EINVAL
Signed-off-by: Christine Caulfield <ccaulfie@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
dlm/lib/libdlm.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/dlm/lib/libdlm.c b/dlm/lib/libdlm.c
index 0612d09..2bdbb0f 100644
--- a/dlm/lib/libdlm.c
+++ b/dlm/lib/libdlm.c
@@ -889,6 +889,11 @@ static int ls_lock(dlm_lshandle_t ls,
return -1;
}
+ if (flags & LKF_VALBLK && !lksb->sb_lvbptr) {
+ errno = EINVAL;
+ return -1;
+ }
+
if (kernel_version.version[0] == 5)
return ls_lock_v5(ls, mode, lksb, flags, name, namelen, parent,
astaddr, astarg, bastaddr);
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