mirror of https://gerrit.osmocom.org/simtrace2
Vadim Yanitskiy
fdfb02418f
osmo_apdu_segment_in() may return a negative number on receipt of
"unknown APDU case", and that would crash simtrace2-cardem-pcsc:
msgb(0x55d2cf7aa8a0): Not enough tailroom msgb_put
(allocated 920, head at 0, len 7, tailroom 1017 < want tailroom 65534)
backtrace() returned 19 addresses
Whenever osmo_apdu_segment_in() fails to recognize an APDU, the
communication is broken, because we don't know if we should continue
transmitting or receiving. Only a successful return value by would
allow us to know this. Do not crash, exit() gracefully.
Change-Id: I9e97b955a28ec886a429d744f9316e7e71be4481
Related: OS#5600
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