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authorJunaid <junaid@gluster.com>2011-03-31 04:28:26 +0000
committerVijay Bellur <vijay@dev.gluster.com>2011-03-31 05:04:26 -0700
commit1c148f85c5abf561faeb68c699a13c8bd683de5e (patch)
tree97c2a75c55d48ea1bce5cc7c6744f22882ee132c /xlators
parent99779326d09f7ac98bb75bb1432d53c7c320a5c9 (diff)
features/marker: Fix memory corruption.
Signed-off-by: Junaid <junaid@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 2629 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2629
Diffstat (limited to 'xlators')
-rw-r--r--xlators/features/marker/src/marker-common.c5
-rw-r--r--xlators/features/marker/src/marker-quota.c22
-rw-r--r--xlators/features/marker/src/marker-quota.h2
-rw-r--r--xlators/features/marker/src/marker.c10
4 files changed, 22 insertions, 17 deletions
diff --git a/xlators/features/marker/src/marker-common.c b/xlators/features/marker/src/marker-common.c
index 3e2d7f00047..855fb9936c5 100644
--- a/xlators/features/marker/src/marker-common.c
+++ b/xlators/features/marker/src/marker-common.c
@@ -49,13 +49,14 @@ marker_force_inode_ctx_get (inode_t *inode, xlator_t *this,
{
ret = __inode_ctx_get (inode, this, &ctx_int);
if (ret == 0)
- *ctx = (marker_inode_ctx_t *) ctx_int;
+ *ctx = (marker_inode_ctx_t *) (unsigned long)ctx_int;
else {
*ctx = marker_inode_ctx_new ();
if (*ctx == NULL)
goto unlock;
- ret = __inode_ctx_put (inode, this, (uint64_t ) *ctx);
+ ret = __inode_ctx_put (inode, this,
+ (uint64_t )(unsigned long) *ctx);
if (ret == -1) {
GF_FREE (*ctx);
goto unlock;
diff --git a/xlators/features/marker/src/marker-quota.c b/xlators/features/marker/src/marker-quota.c
index 629c5de48af..4d5fed66e9a 100644
--- a/xlators/features/marker/src/marker-quota.c
+++ b/xlators/features/marker/src/marker-quota.c
@@ -98,6 +98,8 @@ release_lock_on_dirty_inode (call_frame_t *frame, void *cookie, xlator_t *this,
struct gf_flock lock;
quota_local_t *local = NULL;
+ local = frame->local;
+
if (op_ret == -1) {
local->err = -1;
@@ -106,8 +108,6 @@ release_lock_on_dirty_inode (call_frame_t *frame, void *cookie, xlator_t *this,
return 0;
}
- local = frame->local;
-
if (op_ret == 0)
local->ctx->dirty = 0;
@@ -136,13 +136,13 @@ mark_inode_undirty (call_frame_t *frame, void *cookie, xlator_t *this,
quota_local_t *local = NULL;
marker_conf_t *priv = NULL;
+ local = (quota_local_t *) frame->local;
+
if (op_ret == -1)
goto err;
priv = (marker_conf_t *) this->private;
- local = (quota_local_t *) frame->local;
-
if (!dict)
goto wind;
@@ -288,6 +288,7 @@ get_child_contribution (call_frame_t *frame,
struct iatt *postparent)
{
int32_t ret = -1;
+ int32_t val = 0;
char contri_key [512] = {0, };
int64_t *contri = NULL;
quota_local_t *local = NULL;
@@ -324,11 +325,11 @@ get_child_contribution (call_frame_t *frame,
out:
LOCK (&local->lock);
{
- local->dentry_child_count--;
+ val = local->dentry_child_count--;
}
UNLOCK (&local->lock);
- if (local->dentry_child_count == 0) {
+ if (val== 0) {
if (local->err) {
QUOTA_SAFE_DECREMENT (&local->lock, local->ref);
@@ -1377,12 +1378,12 @@ start_quota_txn (xlator_t *this, loc_t *loc,
ret = loc_copy (&local->loc, loc);
if (ret < 0)
- goto local_unref;
+ goto fr_destroy;
ret = quota_inode_loc_fill (NULL, local->loc.parent,
&local->parent_loc);
if (ret < 0)
- goto local_unref;
+ goto fr_destroy;
local->ctx = ctx;
local->contri = contri;
@@ -1391,9 +1392,6 @@ start_quota_txn (xlator_t *this, loc_t *loc,
return 0;
-local_unref:
- quota_local_unref (this, local);
-
fr_destroy:
QUOTA_STACK_DESTROY (frame, this);
@@ -1557,7 +1555,7 @@ inspect_file_xattr (xlator_t *this,
ret = dict_get_bin (dict, contri_key, (void **) &contri_int);
if (ret == 0) {
- contri_ptr = (int64_t *) contri_int;
+ contri_ptr = (int64_t *)(unsigned long)contri_int;
contribution->contribution = ntoh64 (*contri_ptr);
diff --git a/xlators/features/marker/src/marker-quota.h b/xlators/features/marker/src/marker-quota.h
index 4e2e480abaf..e709bcac23f 100644
--- a/xlators/features/marker/src/marker-quota.h
+++ b/xlators/features/marker/src/marker-quota.h
@@ -29,8 +29,8 @@
#include "marker-mem-types.h"
#define QUOTA_XATTR_PREFIX "trusted.glusterfs"
-#define QUOTA_SIZE_KEY "trusted.glusterfs.quota.size"
#define QUOTA_DIRTY_KEY "trusted.glusterfs.quota.dirty"
+
#define CONTRIBUTION "contri"
#define VOL_NAME volname
#define CONTRI_KEY_MAX 512
diff --git a/xlators/features/marker/src/marker.c b/xlators/features/marker/src/marker.c
index 43bb58cd83e..4062b8d0b83 100644
--- a/xlators/features/marker/src/marker.c
+++ b/xlators/features/marker/src/marker.c
@@ -1886,11 +1886,17 @@ err:
int32_t
marker_forget (xlator_t *this, inode_t *inode)
{
- marker_inode_ctx_t *ctx = NULL;
+ marker_inode_ctx_t *ctx = NULL;
+ uint64_t value = 0;
- if (inode_ctx_del (inode, this, (uint64_t *) &ctx) != 0)
+ if (inode_ctx_del (inode, this, &value) != 0)
goto out;
+ ctx = (marker_inode_ctx_t *)(unsigned long)value;
+ if (ctx == NULL) {
+ goto out;
+ }
+
quota_forget (this, ctx->quota_ctx);
GF_FREE (ctx);