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5 Commits

Author SHA1 Message Date
Vitaly Buka
061f22dda9 [NFC][lsan] Refactor LockThreadRegistry/LockAllocator calls 2021-12-06 22:27:11 -08:00
Vitaly Buka
64d4420824 [NFC][lsan] Simplify root_regions initialization 2021-11-11 23:42:46 -08:00
Roland McGrath
aae707cd88 [lsan] Expose Frontier object to OS-specific LockStuffAndStopTheWorld callback 
This is a small refactoring to prepare for porting LSan to Fuchsia.
On Fuchsia, the system supplies a unified API for suspending threads and
enumerating roots from OS-specific places like thread state and global data
ranges. So its LockStuffAndStopTheWorld implementation will make specific
callbacks for all the OS-specific root collection work before making the
common callback that includes the actual leak-checking logic.

Patch By: mcgrathr

Differential Revision: https://reviews.llvm.org/D72988
 2020-01-24 16:53:35 -08:00
Evgeniy Stepanov
f1b6bd403d [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

llvm-svn: 372348
 2019-09-19 19:52:57 +00:00
Nico Weber
ae1fc9baae compiler-rt: Rename .cc file in lib/lsan to .cpp 
Like r367463, but for lsan.

llvm-svn: 367561
 2019-08-01 14:01:30 +00:00