Author: robert Date: 2011-08-13 22:08:25 -0600 (Sat, 13 Aug 2011) New Revision: 2308
Added: trunk/glibc/glibc-2.12.2-dl_execstack-1.patch trunk/glibc/glibc-2.12.2-localedef_trampoline-1.patch trunk/glibc/glibc-2.12.2-pt_pax-1.patch Log: Add PaX patches for Glibc Added: trunk/glibc/glibc-2.12.2-dl_execstack-1.patch =================================================================== --- trunk/glibc/glibc-2.12.2-dl_execstack-1.patch (rev 0) +++ trunk/glibc/glibc-2.12.2-dl_execstack-1.patch 2011-08-14 04:08:25 UTC (rev 2308) @@ -0,0 +1,74 @@ +Submitted By: Robert Connolly <robert at linuxfromscratch dot org> (ashes) +Date: 2011-08-13 +Initial Package Version: 2.12.2 +Upstream Status: Not submitted - PaX specific. Will not be accepted upstream. +Origin: +http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo/src/patchsets/glibc/2.12.2/3000_all_2.3.6-dl_execstack-PaX-support.patch?view=markup +Description: + + With latest versions of glibc, a lot of apps failed on a PaX enabled + system with: + cannot enable executable stack as shared object requires: Permission denied + + This is due to PaX 'exec-protecting' the stack, and ld.so then trying + to make the stack executable due to some libraries not containing the + PT_GNU_STACK section. Bug #32960. <[email protected]> (12 Nov 2003). + + Patch also NPTL. Bug #116086. <[email protected]> (20 Dec 2005). + +diff -Naur glibc-2.12.2.orig/nptl/allocatestack.c glibc-2.12.2/nptl/allocatestack.c +--- glibc-2.12.2.orig/nptl/allocatestack.c 2010-12-13 10:47:26.000000000 +0000 ++++ glibc-2.12.2/nptl/allocatestack.c 2011-08-14 03:30:30.368648803 +0000 +@@ -329,7 +329,8 @@ + # error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP" + #endif + if (mprotect (stack, len, PROT_READ | PROT_WRITE | PROT_EXEC) != 0) +- return errno; ++ if (errno != EACCES) /* PAX is enabled */ ++ return errno; + + return 0; + } +diff -Naur glibc-2.12.2.orig/sysdeps/unix/sysv/linux/dl-execstack.c glibc-2.12.2/sysdeps/unix/sysv/linux/dl-execstack.c +--- glibc-2.12.2.orig/sysdeps/unix/sysv/linux/dl-execstack.c 2010-12-13 10:47:26.000000000 +0000 ++++ glibc-2.12.2/sysdeps/unix/sysv/linux/dl-execstack.c 2011-08-14 03:30:30.367648794 +0000 +@@ -63,7 +63,10 @@ + else + # endif + { +- result = errno; ++ if (errno == EACCES) /* PAX is enabled */ ++ result = 0; ++ else ++ result = errno; + goto out; + } + } +@@ -89,7 +92,12 @@ + page -= size; + else + { +- if (errno != ENOMEM) /* Unexpected failure mode. */ ++ if (errno == EACCES) /* PAX is enabled */ ++ { ++ result = 0; ++ goto out; ++ } ++ else if (errno != ENOMEM) /* Unexpected failure mode. */ + { + result = errno; + goto out; +@@ -115,7 +123,12 @@ + page += size; + else + { +- if (errno != ENOMEM) /* Unexpected failure mode. */ ++ if (errno == EACCES) /* PAX is enabled */ ++ { ++ result = 0; ++ goto out; ++ } ++ else if (errno != ENOMEM) /* Unexpected failure mode. */ + { + result = errno; + goto out; Added: trunk/glibc/glibc-2.12.2-localedef_trampoline-1.patch =================================================================== --- trunk/glibc/glibc-2.12.2-localedef_trampoline-1.patch (rev 0) +++ trunk/glibc/glibc-2.12.2-localedef_trampoline-1.patch 2011-08-14 04:08:25 UTC (rev 2308) @@ -0,0 +1 @@ +link glibc-2.5-localedef_trampoline-1.patch \ No newline at end of file Property changes on: trunk/glibc/glibc-2.12.2-localedef_trampoline-1.patch ___________________________________________________________________ Added: svn:special + * Added: trunk/glibc/glibc-2.12.2-pt_pax-1.patch =================================================================== --- trunk/glibc/glibc-2.12.2-pt_pax-1.patch (rev 0) +++ trunk/glibc/glibc-2.12.2-pt_pax-1.patch 2011-08-14 04:08:25 UTC (rev 2308) @@ -0,0 +1 @@ +link glibc-2.3.5-pt_pax-1.patch \ No newline at end of file Property changes on: trunk/glibc/glibc-2.12.2-pt_pax-1.patch ___________________________________________________________________ Added: svn:special + * -- http://linuxfromscratch.org/mailman/listinfo/patches FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page
