[PATCH] D8966: Extend s{,n}printf custom wrappers to support '*' in the format specifiers
Wu Yingcong via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Mar 8 21:54:04 PST 2023
yingcong-wu added inline comments.
Herald added subscribers: Enna1, delcypher.
Herald added a project: All.
================
Comment at: compiler-rt/trunk/lib/dfsan/dfsan_custom.cc:1046
+ va_labels++;
+ dfsan_set_label(0, ptr, sizeof(ptr));
+ end_fmt = true;
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Hi guys, should it be `dfsan_set_label(0, ptr, sizeof(*ptr)` so that we set label for what ptr points to. I think it can be problems when `sizeof(ptr) != sizeof(*ptr)`.
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D8966/new/
https://reviews.llvm.org/D8966
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