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ecryptfs: initialize new auth_tokens before teardown

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ecryptfs_destroy_mount_crypt_stat() checks whether each
auth_tok->global_auth_tok_key is nonzero and if so puts that key.  However,
in some early mount error paths nothing has initialized the pointer, and we
try to key_put() garbage.  Running the bad cipher tests in the testsuite
exposes this, and it's happy with the following change.

Signed-off-by: Eric Sandeen <[email protected]>
Cc: Michael Halcrow <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Eric Sandeen 2007-12-17 16:19:52 -08:00 • committed by Linus Torvalds
commit 459e216429
1 changed files with 1 additions and 1 deletions
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2
fs/ecryptfs/keystore.c
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@ -1860,7 +1860,7 @@ ecryptfs_add_global_auth_tok(struct ecryptfs_mount_crypt_stat *mount_crypt_stat,
struct ecryptfs_global_auth_tok *new_auth_tok;
int rc = 0;
new_auth_tok = kmem_cache_alloc(ecryptfs_global_auth_tok_cache,
new_auth_tok = kmem_cache_zalloc(ecryptfs_global_auth_tok_cache,
GFP_KERNEL);
if (!new_auth_tok) {
rc = -ENOMEM;