diff options
| author | Pranith Kumar K <pkarampu@redhat.com> | 2015-04-24 16:24:52 +0530 |
|---|---|---|
| committer | Vijay Bellur <vbellur@redhat.com> | 2015-04-24 22:19:06 -0700 |
| commit | 48de998d589350dafeb00bc6ecd22faa9f66b9da (patch) | |
| tree | 8fe0cdf3c24ddedac5a123b11aca653f2b338e15 /libglusterfs/src/timer.c | |
| parent | b72bc58ecc108a2fddbdb6f606cd86a57ca5a68f (diff) | |
timer: Fix use after free issue
Change-Id: I056c9777b242a11af7f576ad19b2db93dbdf82d4
BUG: 1215117
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/10367
Reviewed-by: Poornima G <pgurusid@redhat.com>
Tested-by: NetBSD Build System
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'libglusterfs/src/timer.c')
| -rw-r--r-- | libglusterfs/src/timer.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libglusterfs/src/timer.c b/libglusterfs/src/timer.c index cc47db3b9e1..0d845cdeb38 100644 --- a/libglusterfs/src/timer.c +++ b/libglusterfs/src/timer.c @@ -176,12 +176,16 @@ gf_timer_proc (void *ctx) } pthread_mutex_unlock (®->lock); if (need_cbk) { + old_THIS = NULL; if (event->xl) { old_THIS = THIS; THIS = event->xl; } event->callbk (event->data); - if (event->xl) { + /*This callbk above would have freed the event + * by calling timer_cancel, don't ever touch it + * again*/ + if (old_THIS) { THIS = old_THIS; } } |