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authorGravatar Nikias Bassen2016-02-17 20:24:43 +0100
committerGravatar Nikias Bassen2016-02-17 20:24:43 +0100
commitd9bb2d5b11268fe954125c793b7bc3e9caf0ec6a (patch)
treea757957aeb753d76211396f5706e03d52d8a7be9 /tools/Makefile.am
parent1a9ff1f75bec47bdc145393f020a0fd60ae0e6da (diff)
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Fix possible invalid free in irecv_open_with_ecid()
irecv_open_with_ecid calls libusb_open() in a loop. When the operation fails libusb_close() is called with the returned handle - which ideally should be NULL upon calling libusb_open(). However since we're operating in a loop this is only the case for the first time libusb_open() is called and subsequent invocations only overwrite the handle upon success. Whenever the libusb_open() fails and it is not the first invocation, the libusb_close() that is called afterwards may cause an invalid free. To prevent this we set the handle to NULL before calling libusb_open().
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