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authorAlessio Balsini <balsini@android.com>2019-10-21 11:02:32 +0100
committerRob Landley <rob@landley.net>2019-10-26 17:36:46 -0500
commit55d937611597a4e54a17b344c81810ad1fe9f75d (patch)
tree53934600cf92e250de21996c4dfe8e1e5342d380 /lib
parent49feb50f22e2db90556f79dbc0de36f8ecb8b521 (diff)
downloadtoybox-55d937611597a4e54a17b344c81810ad1fe9f75d.tar.gz
losetup: Fix memory leaks in loopback_setup()
The function loopback_setup() uses xabspath() to get the loopback path. This function allocates dynamic memory which should be freed by the function caller. But there are early return cases where the dynamic memory is not freed. Besides the special cases of perror_exit(), for which the "early" free operation is simply used to silence memory analysis tools, the if (racy && errno == EBUSY) return 1; branch may be a real cause of memory leak. Fix by adding a new free() in the racy+EBUSY branch and anticipating the existing free(). Signed-off-by: Alessio Balsini <balsini@android.com>
Diffstat (limited to 'lib')
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