Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.12 12/22] mm/swapfile.c: fix swapon frontswap_map memory leak on error | Date | Tue, 12 Sep 2017 09:59:47 -0700 |
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4.12-stable review patch. If anyone has any objections, please let me know.
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From: David Rientjes <rientjes@google.com>
commit b6b1fd2a6bedd533aeed83924d7be0e944fded9f upstream.
Free frontswap_map if an error is encountered before enable_swap_info().
Signed-off-by: David Rientjes <rientjes@google.com> Reviewed-by: "Huang, Ying" <ying.huang@intel.com> Cc: Darrick J. Wong <darrick.wong@oracle.com> Cc: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- mm/swapfile.c | 1 + 1 file changed, 1 insertion(+)
--- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2904,6 +2904,7 @@ bad_swap: spin_unlock(&swap_lock); vfree(swap_map); kvfree(cluster_info); + kvfree(frontswap_map); if (swap_file) { if (inode && S_ISREG(inode->i_mode)) { inode_unlock(inode);
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