diff options
author | Soumya Koduri <skoduri@redhat.com> | 2018-12-25 13:29:15 -0500 |
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committer | soumya k <skoduri@redhat.com> | 2019-01-09 15:34:21 +0000 |
commit | 0962e24c3d66c173155d80783eb5d1cc4ae3c99e (patch) | |
tree | 98e9a492a5a9755cbb54f893f8383eea8c92339b /xlators | |
parent | 0ec7da927915512c62c99b418a297c6132234c8b (diff) |
leases: Reset lease_ctx->timer post deletion
To avoid use_after_free, reset lease_ctx->timer back to NULL
after the structure has been freed.
Change-Id: Icd213ec809b8af934afdb519c335a4680a1d6cdc
updates: bz#1651323
Signed-off-by: Soumya Koduri <skoduri@redhat.com>
(cherry picked from commit a9b0003c717087ff168bc143c70559162e53e0d5)
Diffstat (limited to 'xlators')
-rw-r--r-- | xlators/features/leases/src/leases-internal.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/xlators/features/leases/src/leases-internal.c b/xlators/features/leases/src/leases-internal.c index ba0db4f9b4a..8699b99d291 100644 --- a/xlators/features/leases/src/leases-internal.c +++ b/xlators/features/leases/src/leases-internal.c @@ -676,6 +676,7 @@ __remove_lease(xlator_t *this, inode_t *inode, lease_inode_ctx_t *lease_ctx, if (lease_ctx->lease_cnt == 0 && lease_ctx->timer) { ret = gf_tw_del_timer(priv->timer_wheel, lease_ctx->timer); lease_ctx->recall_in_progress = _gf_false; + lease_ctx->timer = NULL; } out: return ret; |