HCoop / jackhill / guix / guix.git / blame
| Commit | Line | Data |
|---|---|---|
| a33eac03 MB |
1 | Fix assertion failure in libsanitizer when using glibc 2.31 and later. |
| 2 | ||
| 3 | https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92154 | |
| 4 | https://reviews.llvm.org/D69104 | |
| 5 | ||
| 6 | Adapted from these upstream revision: | |
| 7 | ||
| 8 | https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=277981 | |
| 9 | https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=279653 | |
| 10 | ||
| 11 | diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc | |
| 12 | index 069d8d557de..c49c28c6e07 100644 | |
| 13 | --- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc | |
| 14 | +++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc | |
| 15 | @@ -1130,8 +1130,9 @@ CHECK_SIZE_AND_OFFSET(ipc_perm, cgid); | |
| 16 | #ifndef __GLIBC_PREREQ | |
| 17 | #define __GLIBC_PREREQ(x, y) 0 | |
| 18 | #endif | |
| 19 | -#if !defined(__aarch64__) || !SANITIZER_LINUX || __GLIBC_PREREQ (2, 21) | |
| 20 | -/* On aarch64 glibc 2.20 and earlier provided incorrect mode field. */ | |
| 21 | +#if !SANITIZER_LINUX || __GLIBC_PREREQ (2, 31) | |
| 22 | +/* glibc 2.30 and earlier provided 16-bit mode field instead of 32-bit | |
| 23 | + on many architectures. */ | |
| 24 | CHECK_SIZE_AND_OFFSET(ipc_perm, mode); | |
| 25 | #endif | |
| 26 | ||
| 27 | diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h | |
| 28 | index 304d04e3935..6dee89c97e1 100644 | |
| 29 | --- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h | |
| 30 | +++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h | |
| 31 | @@ -207,20 +207,13 @@ namespace __sanitizer { | |
| 32 | unsigned long __unused1; | |
| 33 | unsigned long __unused2; | |
| 34 | #elif defined(__sparc__) | |
| 35 | -# if defined(__arch64__) | |
| 36 | unsigned mode; | |
| 37 | - unsigned short __pad1; | |
| 38 | -# else | |
| 39 | - unsigned short __pad1; | |
| 40 | - unsigned short mode; | |
| 41 | unsigned short __pad2; | |
| 42 | -# endif | |
| 43 | unsigned short __seq; | |
| 44 | unsigned long long __unused1; | |
| 45 | unsigned long long __unused2; | |
| 46 | #else | |
| 47 | - unsigned short mode; | |
| 48 | - unsigned short __pad1; | |
| 49 | + unsigned int mode; | |
| 50 | unsigned short __seq; | |
| 51 | unsigned short __pad2; | |
| 52 | #if defined(__x86_64__) && !defined(_LP64) | |
| 53 |