llvm-project

Commit Graph

Author	SHA1	Message	Date
Evgenii Stepanov	987f153929	[msan] Fix sigaltstack false positive. struct stack_t on Linux x86_64 has internal padding which may be left uninitialized. The check should be replaced with multiple checks for individual fields of the struct. For now, remove the check altogether.	2020-03-23 16:17:31 -07:00
Evgenii Stepanov	28c91219c7	[compiler-rt] implement sigaltstack interception Summary: An implementation for `sigaltstack` to make its side effect be visible to MSAN. ``` ninja check-msan ``` Reviewers: vitalybuka, eugenis Reviewed By: eugenis Subscribers: dberris, #sanitizers, llvm-commits Tags: #sanitizers, #llvm Differential Revision: https://reviews.llvm.org/D73816 Patch by Igor Sugak.	2020-02-03 16:28:47 -08:00

Author

SHA1

Message

Date

Evgenii Stepanov

987f153929

[msan] Fix sigaltstack false positive.

struct stack_t on Linux x86_64 has internal padding which may be left
uninitialized. The check should be replaced with multiple checks for
individual fields of the struct. For now, remove the check altogether.

2020-03-23 16:17:31 -07:00

Evgenii Stepanov

28c91219c7

[compiler-rt] implement sigaltstack interception

Summary:
An implementation for `sigaltstack` to make its side effect be visible to MSAN.

```
ninja check-msan
```

Reviewers: vitalybuka, eugenis

Reviewed By: eugenis

Subscribers: dberris, #sanitizers, llvm-commits

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D73816

Patch by Igor Sugak.

2020-02-03 16:28:47 -08:00

2 Commits