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| author | Guanqin Miao <miaoguanqin@huawei.com> | 2023-04-24 16:06:34 +0800 |
|---|---|---|
| committer | Jes Sorensen <jes@trained-monkey.org> | 2023-09-01 12:06:53 -0400 |
| commit | e9fb93af0f769d147a13e86ab4e5d0aeb935e9fc (patch) | |
| tree | 999e6855dd32f38b3df747bd0a8f65b8c35ae674 | |
| parent | 1ab341e5ce0cb01a1533a2c36e5b69eabf12bf95 (diff) | |
| download | mdadm-e9fb93af0f769d147a13e86ab4e5d0aeb935e9fc.tar.gz | |
Fix memory leak in file Assemble
When we test mdadm with asan, we found some memory leaks in Assemble.c
We fix these memory leaks based on code logic.
v2: Set st = NULL before jumping to loop
Signed-off-by: Guanqin Miao <miaoguanqin@huawei.com>
Signed-off-by: Li Xiao Keng <lixiaokeng@huawei.com>
Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
| -rw-r--r-- | Assemble.c | 14 |
1 files changed, 12 insertions, 2 deletions
@@ -341,8 +341,10 @@ static int select_devices(struct mddev_dev *devlist, st->ss->free_super(st); dev_policy_free(pol); domain_free(domains); - if (tst) + if (tst) { tst->ss->free_super(tst); + free(tst); + } return -1; } @@ -417,6 +419,7 @@ static int select_devices(struct mddev_dev *devlist, st->ss->free_super(st); dev_policy_free(pol); domain_free(domains); + free(st); return -1; } if (c->verbose > 0) @@ -425,6 +428,8 @@ static int select_devices(struct mddev_dev *devlist, /* make sure we finished the loop */ tmpdev = NULL; + free(st); + st = NULL; goto loop; } else { content = *contentp; @@ -533,6 +538,7 @@ static int select_devices(struct mddev_dev *devlist, st->ss->free_super(st); dev_policy_free(pol); domain_free(domains); + free(tst); return -1; } tmpdev->used = 1; @@ -546,8 +552,10 @@ static int select_devices(struct mddev_dev *devlist, } dev_policy_free(pol); pol = NULL; - if (tst) + if (tst) { tst->ss->free_super(tst); + free(tst); + } } /* Check if we found some imsm spares but no members */ @@ -839,6 +847,7 @@ static int load_devices(struct devs *devices, char *devmap, close(mdfd); free(devices); free(devmap); + free(best); *stp = st; return -1; } @@ -1950,6 +1959,7 @@ out: } else if (mdfd >= 0) close(mdfd); + free(best); /* '2' means 'OK, but not started yet' */ if (rv == -1) { free(devices); |