[lsan] Fix deadlock in dl_iterate_phdr.
Summary:
Do not grab the allocator lock before calling dl_iterate_phdr. This may
cause a lock order inversion with (valid) user code that uses malloc
inside a dl_iterate_phdr callback.
Reviewers: vitalybuka, hctim
Subscribers: jfb, #sanitizers, llvm-commits
Tags: #sanitizers, #llvm
Differential Revision: https://reviews.llvm.org/D67738
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@372348 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed