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| author | Sergei Trofimovich <slyfox@community.haskell.org> | 2011-02-08 21:21:40 +0000 |
|---|---|---|
| committer | Sergei Trofimovich <slyfox@community.haskell.org> | 2011-02-08 21:21:40 +0000 |
| commit | 7bb9d7760929d1a0c4bbf37531919fe8169a80c7 (patch) | |
| tree | de8af3a164326a977743cd3c433c0d9fad66befa | |
| parent | fc2fdad3793706eeea4c8083551f00c2fb6ab812 (diff) | |
| download | haskell-7bb9d7760929d1a0c4bbf37531919fe8169a80c7.tar.gz | |
libffi: backport incorrect detection of selinux
This patch unbreaks ghci on GRSEC kernels hardened with
TPE (Trusted Path Execution) protection.
TPE forbids mmap('rwx') files opened for writes:
fd = open (a_file_in_tmp, O_RDWR);
mmap (..., PROT_READ | PROT_WRITE | PROT_EXEC, fd);
while allows anonymous RWX mappings:
mmap (...MAP_ANONYMOUS , PROT_READ | PROT_WRITE | PROT_EXEC, -1);
Thanks to klondike for finding it out.
The result of a horrible typo.
(unreleased yet) upstream also has the patch:
http://github.com/atgreen/libffi/commit/eaf444eabc4c78703c0f98ac0197b1619c1b1bef
| -rw-r--r-- | libffi/ghc.mk | 2 | ||||
| -rw-r--r-- | libffi/libffi.selinux-detection-3.0.8.patch | 15 |
2 files changed, 17 insertions, 0 deletions
diff --git a/libffi/ghc.mk b/libffi/ghc.mk index 6dfef8ff3b..080c43f850 100644 --- a/libffi/ghc.mk +++ b/libffi/ghc.mk @@ -107,6 +107,8 @@ $(libffi_STAMP_CONFIGURE): cat ghc-tarballs/libffi/libffi*.tar.gz | $(GZIP_CMD) -d | { cd libffi && $(TAR_CMD) -xf - ; } mv libffi/libffi-* libffi/build chmod +x libffi/ln + # don't report nonselinux systems as selinux + cd libffi/build && "$(PATCH_CMD)" -p0 < ../libffi.selinux-detection-3.0.8.patch # Because -Werror may be in SRC_CC_OPTS/SRC_LD_OPTS, we need to turn # warnings off or the compilation of libffi might fail due to warnings diff --git a/libffi/libffi.selinux-detection-3.0.8.patch b/libffi/libffi.selinux-detection-3.0.8.patch new file mode 100644 index 0000000000..a919f28817 --- /dev/null +++ b/libffi/libffi.selinux-detection-3.0.8.patch @@ -0,0 +1,15 @@ +src/closures.c (selinux_enabled_check): Fix strncmp usage bug. + +http://github.com/atgreen/libffi/commit/eaf444eabc4c78703c0f98ac0197b1619c1b1bef + +--- src/closures.c ++++ src/closures.c +@@ -146,7 +146,7 @@ + p = strchr (p + 1, ' '); + if (p == NULL) + break; +- if (strncmp (p + 1, "selinuxfs ", 10) != 0) ++ if (strncmp (p + 1, "selinuxfs ", 10) == 0) + { + free (buf); + fclose (f); |