2 Commits

Author	SHA1	Message	Date
Petr Hosek	9eeb2c98f4	[msan] Check for AVX regs using offset ... glibc versions < 2.26 use different names for the fields. However the layout is unchanged, so using the offset should be a portable way to address this issue across platforms. Fixes: https://github.com/llvm/llvm-project/issues/53014 Patch By: paulkirth Differential Revision: https://reviews.llvm.org/D116695	2022-01-05 19:24:00 -08:00
Dmitry Vyukov	1298273e82	msan: account for AVX state when unpoison ucontext_t ... ucontext_t can be larger than its static size if it contains AVX state and YMM/ZMM registers. Currently a signal handler that tries to access that state can produce false positives with random origins on stack. Account for the additional ucontext_t state. Reviewed By: vitalybuka Differential Revision: https://reviews.llvm.org/D116208	2022-01-05 13:20:40 +01:00