[PATCH] D44125: [sanitizer] Move mmap interceptors into sanitizer_common
Evgenii Stepanov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Mar 14 16:48:28 PDT 2018
eugenis added inline comments.
================
Comment at: lib/sanitizer_common/sanitizer_common_interceptors.inc:6818
+INTERCEPTOR(void *, mmap64, void *addr, SIZE_T sz, int prot, int flags, int fd,
+ OFF_T off) {
+ void *ctx;
----------------
This should use OFF64_T.
OFF_T is 32-bit and we pick garbage from the stack as the higher half of the 64-bit offset. This affects linux-i386 with FILE_OFFSET_BITS set to 64.
Repository:
rCRT Compiler Runtime
https://reviews.llvm.org/D44125
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