[v2] afs: Fix memory leak in afs_put_sysnames()
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Message ID 20200601132734.4148325-1-chengzhihao1@huawei.com
State New
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Series
  • [v2] afs: Fix memory leak in afs_put_sysnames()
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Commit Message

Zhihao Cheng June 1, 2020, 1:27 p.m. UTC
sysnames should be freed after refcnt being decreased to zero in
afs_put_sysnames().

Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Cc: <Stable@vger.kernel.org> # v4.17+
Fixes: 6f8880d8e681557 ("afs: Implement @sys substitution handling")
---
 fs/afs/proc.c | 1 +
 1 file changed, 1 insertion(+)

Patch
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diff --git a/fs/afs/proc.c b/fs/afs/proc.c
index 468e1713bce1..6f34c84a0fd0 100644
--- a/fs/afs/proc.c
+++ b/fs/afs/proc.c
@@ -563,6 +563,7 @@  void afs_put_sysnames(struct afs_sysnames *sysnames)
 			if (sysnames->subs[i] != afs_init_sysname &&
 			    sysnames->subs[i] != sysnames->blank)
 				kfree(sysnames->subs[i]);
+		kfree(sysnames);
 	}
 }