The patch titled
integrity: ima iint radix_tree_lookup locking fix
has been added to the -mm tree. Its filename is
integrity-ima-iint-radix_tree_lookup-locking-fix.patch
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------------------------------------------------------
Subject: integrity: ima iint radix_tree_lookup locking fix
From: Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx>
Based on Andrew Morton's comments:
- add missing locks around radix_tree_lookup in ima_iint_insert()
Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxx>
Cc: James Morris <jmorris@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
security/integrity/ima/ima_iint.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN security/integrity/ima/ima_iint.c~integrity-ima-iint-radix_tree_lookup-locking-fix security/integrity/ima/ima_iint.c
--- a/security/integrity/ima/ima_iint.c~integrity-ima-iint-radix_tree_lookup-locking-fix
+++ a/security/integrity/ima/ima_iint.c
@@ -73,8 +73,10 @@ out:
if (rc < 0) {
kmem_cache_free(iint_cache, iint);
if (rc == -EEXIST) {
+ spin_lock(&ima_iint_lock);
iint = radix_tree_lookup(&ima_iint_store,
(unsigned long)inode);
+ spin_unlock(&ima_iint_lock);
} else
iint = NULL;
}
_
Patches currently in -mm which might be from zohar@xxxxxxxxxxxxxxxxxx are
linux-next.patch
integrity-ima-iint-radix_tree_lookup-locking-fix.patch
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