git: 6953b4870f00 - stable/13 - ibcore: Fix possible memory leak in ib_mad_post_receive_mads()
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Date: Tue, 07 Jun 2022 06:45:05 UTC
The branch stable/13 has been updated by hselasky:
URL: https://cgit.FreeBSD.org/src/commit/?id=6953b4870f00e4d2ef99ae561ae03da028cb21e6
commit 6953b4870f00e4d2ef99ae561ae03da028cb21e6
Author: Hans Petter Selasky <hselasky@FreeBSD.org>
AuthorDate: 2022-05-19 08:06:42 +0000
Commit: Hans Petter Selasky <hselasky@FreeBSD.org>
CommitDate: 2022-06-07 06:44:28 +0000
ibcore: Fix possible memory leak in ib_mad_post_receive_mads()
If ib_dma_mapping_error() returns non-zero value,
ib_mad_post_receive_mads() will jump out of loops and return -ENOMEM
without freeing mad_priv. Fix this memory-leak problem by freeing
mad_priv in this case.
Linux commit:
a17f4bed811c60712d8131883cdba11a105d0161
PR: 264057
Sponsored by: NVIDIA Networking
(cherry picked from commit ad7741ff693a39bab59b75e432bd922a62f3ef0a)
---
sys/ofed/drivers/infiniband/core/ib_mad.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sys/ofed/drivers/infiniband/core/ib_mad.c b/sys/ofed/drivers/infiniband/core/ib_mad.c
index 5f9c353052e8..9de97d749f6d 100644
--- a/sys/ofed/drivers/infiniband/core/ib_mad.c
+++ b/sys/ofed/drivers/infiniband/core/ib_mad.c
@@ -2874,6 +2874,7 @@ static int ib_mad_post_receive_mads(struct ib_mad_qp_info *qp_info,
DMA_FROM_DEVICE);
if (unlikely(ib_dma_mapping_error(qp_info->port_priv->device,
sg_list.addr))) {
+ kfree(mad_priv);
ret = -ENOMEM;
break;
}