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    Subject[PATCH AUTOSEL 4.19 163/172] afs: Fix memory leak in afs_put_sysnames()
    Date
    From: Zhihao Cheng <chengzhihao1@huawei.com>

    [ Upstream commit 2ca068be09bf8e285036603823696140026dcbe7 ]

    Fix afs_put_sysnames() to actually free the specified afs_sysnames
    object after its reference count has been decreased to zero and
    its contents have been released.

    Fixes: 6f8880d8e681557 ("afs: Implement @sys substitution handling")
    Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
    Signed-off-by: David Howells <dhowells@redhat.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    fs/afs/proc.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/fs/afs/proc.c b/fs/afs/proc.c
    index 9101f62707af..e445c02dea3d 100644
    --- a/fs/afs/proc.c
    +++ b/fs/afs/proc.c
    @@ -512,6 +512,7 @@ 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);
    }
    }

    --
    2.25.1
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