The patch titled
Subject: hfsplus: prevent crash on exit from failed search
has been added to the -mm tree. Its filename is
hfsplus-prevent-crash-on-exit-from-failed-search.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/hfsplus-prevent-crash-on-exit-from-failed-search.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/hfsplus-prevent-crash-on-exit-from-failed-search.patch
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The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Ernesto A. Fernandez <ernesto.mnd.fernandez@xxxxxxxxx>
Subject: hfsplus: prevent crash on exit from failed search
hfs_find_exit() expects fd->bnode to be NULL after a search has failed.
hfs_brec_insert() may instead set it to an error-valued pointer. Fix this
to prevent a crash.
Link: http://lkml.kernel.org/r/803590a35221fbf411b2c141419aea3233a6e990.1530294813.git.ernesto.mnd.fernandez@xxxxxxxxx
Signed-off-by: Ernesto A. Fernandez <ernesto.mnd.fernandez@xxxxxxxxx>
Reported-by: Anatoly Trosinenko <anatoly.trosinenko@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
diff -puN fs/hfsplus/brec.c~hfsplus-prevent-crash-on-exit-from-failed-search fs/hfsplus/brec.c
--- a/fs/hfsplus/brec.c~hfsplus-prevent-crash-on-exit-from-failed-search
+++ a/fs/hfsplus/brec.c
@@ -73,9 +73,10 @@ int hfs_brec_insert(struct hfs_find_data
if (!fd->bnode) {
if (!tree->root)
hfs_btree_inc_height(tree);
- fd->bnode = hfs_bnode_find(tree, tree->leaf_head);
- if (IS_ERR(fd->bnode))
- return PTR_ERR(fd->bnode);
+ node = hfs_bnode_find(tree, tree->leaf_head);
+ if (IS_ERR(node))
+ return PTR_ERR(node);
+ fd->bnode = node;
fd->record = -1;
}
new_node = NULL;
_
Patches currently in -mm which might be from ernesto.mnd.fernandez@xxxxxxxxx are
hfsplus-prevent-crash-on-exit-from-failed-search.patch
hfs-prevent-crash-on-exit-from-failed-search.patch
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