91 lines
2.3 KiB
Diff
91 lines
2.3 KiB
Diff
From e9fb93af0f769d147a13e86ab4e5d0aeb935e9fc Mon Sep 17 00:00:00 2001
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From: Guanqin Miao <miaoguanqin@huawei.com>
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Date: Mon, 24 Apr 2023 16:06:34 +0800
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Subject: [PATCH 135/165] Fix memory leak in file Assemble
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When we test mdadm with asan, we found some memory leaks in Assemble.c
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We fix these memory leaks based on code logic.
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v2: Set st = NULL before jumping to loop
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Signed-off-by: Guanqin Miao <miaoguanqin@huawei.com>
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Signed-off-by: Li Xiao Keng <lixiaokeng@huawei.com>
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Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
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---
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Assemble.c | 14 ++++++++++++--
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1 file changed, 12 insertions(+), 2 deletions(-)
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diff --git a/Assemble.c b/Assemble.c
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index 49804941..61e8cd17 100644
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--- a/Assemble.c
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+++ b/Assemble.c
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@@ -341,8 +341,10 @@ static int select_devices(struct mddev_dev *devlist,
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st->ss->free_super(st);
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dev_policy_free(pol);
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domain_free(domains);
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- if (tst)
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+ if (tst) {
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tst->ss->free_super(tst);
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+ free(tst);
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+ }
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return -1;
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}
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@@ -417,6 +419,7 @@ static int select_devices(struct mddev_dev *devlist,
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st->ss->free_super(st);
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dev_policy_free(pol);
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domain_free(domains);
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+ free(st);
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return -1;
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}
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if (c->verbose > 0)
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@@ -425,6 +428,8 @@ static int select_devices(struct mddev_dev *devlist,
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/* make sure we finished the loop */
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tmpdev = NULL;
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+ free(st);
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+ st = NULL;
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goto loop;
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} else {
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content = *contentp;
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@@ -533,6 +538,7 @@ static int select_devices(struct mddev_dev *devlist,
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st->ss->free_super(st);
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dev_policy_free(pol);
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domain_free(domains);
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+ free(tst);
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return -1;
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}
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tmpdev->used = 1;
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@@ -546,8 +552,10 @@ static int select_devices(struct mddev_dev *devlist,
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}
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dev_policy_free(pol);
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pol = NULL;
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- if (tst)
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+ if (tst) {
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tst->ss->free_super(tst);
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+ free(tst);
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+ }
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}
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/* Check if we found some imsm spares but no members */
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@@ -839,6 +847,7 @@ static int load_devices(struct devs *devices, char *devmap,
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close(mdfd);
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free(devices);
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free(devmap);
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+ free(best);
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*stp = st;
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return -1;
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}
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@@ -1950,6 +1959,7 @@ out:
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} else if (mdfd >= 0)
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close(mdfd);
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+ free(best);
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/* '2' means 'OK, but not started yet' */
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if (rv == -1) {
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free(devices);
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--
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2.40.1
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