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Fix: jhash.h: remove out-of-bound reads
authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Tue, 18 Feb 2020 00:31:41 +0000 (19:31 -0500)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Tue, 18 Feb 2020 01:19:43 +0000 (20:19 -0500)
commitec9e040d128545d43b7d29106b70581bca42b1c3
treeb1ab68b5ef5bd6684a6544c386130e3b3263e18etree | snapshot
parente5ea8cce4f1f61781f00636b36f5c5694cfe5db5commit | diff
Fix: jhash.h: remove out-of-bound reads

jhash.h implements "special" code for valgrind because it reads memory
out-of-bound (and then applies a mask) when reading strings.

Considering that lttng-ust does not use jhash.h in a fast-path, remove
this "optimization" and use the verifiable VALGRIND code instead. This
fixes an ASan splat.

Fixes: #1238
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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LTTng UST - Deliverables
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