diff -r 000000000000 -r c4d124ed9f8e patches/glibc/2.9/380-2.3.6-dl_execstack-PaX-support.patch --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/patches/glibc/2.9/380-2.3.6-dl_execstack-PaX-support.patch Sun Apr 19 16:17:11 2009 +0000 @@ -0,0 +1,71 @@ +Original patch from: gentoo/src/patchsets/glibc/2.9/3000_all_2.3.6-dl_execstack-PaX-support.patch + +-= BEGIN original header =- + 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. (12 Nov 2003). + + Patch also NPTL. Bug #116086. (20 Dec 2005). + +-= END original header =- + +diff -durN glibc-2_9.orig/nptl/allocatestack.c glibc-2_9/nptl/allocatestack.c +--- glibc-2_9.orig/nptl/allocatestack.c 2008-08-16 00:35:27.000000000 +0200 ++++ glibc-2_9/nptl/allocatestack.c 2009-02-02 22:01:20.000000000 +0100 +@@ -299,7 +299,8 @@ + # 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 -durN glibc-2_9.orig/sysdeps/unix/sysv/linux/dl-execstack.c glibc-2_9/sysdeps/unix/sysv/linux/dl-execstack.c +--- glibc-2_9.orig/sysdeps/unix/sysv/linux/dl-execstack.c 2006-01-08 09:21:15.000000000 +0100 ++++ glibc-2_9/sysdeps/unix/sysv/linux/dl-execstack.c 2009-02-02 22:01:20.000000000 +0100 +@@ -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;