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Groups > linux.kernel > #1731067
| From | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 4.12 12/22] mm/swapfile.c: fix swapon frontswap_map memory leak on error |
| Date | 2017-09-12 19:10 +0200 |
| Message-ID | <uoWRf-43L-83@gated-at.bofh.it> (permalink) |
| References | <uoWRc-43L-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
4.12-stable review patch. If anyone has any objections, please let me know.
------------------
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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[PATCH 4.12 00/22] 4.12.13-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:10 +0200 [PATCH 4.12 18/22] ARM64: dts: marvell: armada-37xx: Fix GIC maintenance interrupt Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:10 +0200 [PATCH 4.12 22/22] NFSv4: Fix up mirror allocation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:10 +0200 [PATCH 4.12 20/22] NFS: Fix 2 use after free issues in the I/O code Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:10 +0200 [PATCH 4.12 02/22] mtd: nand: hynix: add support for 20nm NAND chips Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:10 +0200 [PATCH 4.12 13/22] mm/memory.c: fix mem_cgroup_oom_disable() call missing Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:10 +0200 [PATCH 4.12 12/22] mm/swapfile.c: fix swapon frontswap_map memory leak on error Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:10 +0200 [PATCH 4.12 06/22] nvme-fabrics: generate spec-compliant UUID NQNs Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:10 +0200 [PATCH 4.12 08/22] rtlwifi: btcoexist: Fix breakage of ant_sel for rtl8723be Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:20 +0200 [PATCH 4.12 09/22] radix-tree: must check __radix_tree_preload() return value Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:20 +0200 [PATCH 4.12 03/22] mtd: nand: mxc: Fix mxc_v1 ooblayout Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:20 +0200 [PATCH 4.12 21/22] NFS: Sync the correct byte range during synchronous writes Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:20 +0200 [PATCH 4.12 07/22] btrfs: resume qgroup rescan on rw remount Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:20 +0200 [PATCH 4.12 10/22] selftests/x86/fsgsbase: Test selectors 1, 2, and 3 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:20 +0200 [PATCH 4.12 05/22] mtd: nand: qcom: fix config error for BCH Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:20 +0200 [PATCH 4.12 04/22] mtd: nand: qcom: fix read failure without complete bootchain Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:20 +0200 Re: [PATCH 4.12 00/22] 4.12.13-stable review Shuah Khan <shuahkh@osg.samsung.com> - 2017-09-13 02:20 +0200 Re: [PATCH 4.12 00/22] 4.12.13-stable review Guenter Roeck <linux@roeck-us.net> - 2017-09-13 16:40 +0200
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