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-rw-r--r--security/tomoyo/common.c17
-rw-r--r--security/tomoyo/file.c1
-rw-r--r--security/tomoyo/memory.c1
3 files changed, 13 insertions, 6 deletions
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 7556315c197..a0d09e56874 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -108,10 +108,9 @@ static bool tomoyo_flush(struct tomoyo_io_buffer *head)
head->read_user_buf += len;
w += len;
}
- if (*w) {
- head->r.w[0] = w;
+ head->r.w[0] = w;
+ if (*w)
return false;
- }
/* Add '\0' for query. */
if (head->poll) {
if (!head->read_user_buf_avail ||
@@ -459,8 +458,16 @@ static int tomoyo_write_profile(struct tomoyo_io_buffer *head)
if (profile == &tomoyo_default_profile)
return -EINVAL;
if (!strcmp(data, "COMMENT")) {
- const struct tomoyo_path_info *old_comment = profile->comment;
- profile->comment = tomoyo_get_name(cp);
+ static DEFINE_SPINLOCK(lock);
+ const struct tomoyo_path_info *new_comment
+ = tomoyo_get_name(cp);
+ const struct tomoyo_path_info *old_comment;
+ if (!new_comment)
+ return -ENOMEM;
+ spin_lock(&lock);
+ old_comment = profile->comment;
+ profile->comment = new_comment;
+ spin_unlock(&lock);
tomoyo_put_name(old_comment);
return 0;
}
diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c
index cb09f1fce91..d64e8ecb6fb 100644
--- a/security/tomoyo/file.c
+++ b/security/tomoyo/file.c
@@ -1011,7 +1011,6 @@ int tomoyo_path_perm(const u8 operation, struct path *path)
break;
case TOMOYO_TYPE_RMDIR:
case TOMOYO_TYPE_CHROOT:
- case TOMOYO_TYPE_UMOUNT:
tomoyo_add_slash(&buf);
break;
}
diff --git a/security/tomoyo/memory.c b/security/tomoyo/memory.c
index 297612669c7..42a7b1ba8cb 100644
--- a/security/tomoyo/memory.c
+++ b/security/tomoyo/memory.c
@@ -75,6 +75,7 @@ void *tomoyo_commit_ok(void *data, const unsigned int size)
memset(data, 0, size);
return ptr;
}
+ kfree(ptr);
return NULL;
}