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| author | Ulrich Drepper <drepper@redhat.com> | 2009-05-15 19:28:04 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-05-15 19:37:13 -0700 |
| commit | b50f8e42ba3010f0141e6a482e0820f658e89b63 (patch) | |
| tree | 80cef469731d5857499883d45fd3424730f0db7c /ChangeLog | |
| parent | f1342e0be8e222dbca077beca94b5937564e8c4b (diff) | |
| download | glibc-b50f8e42ba3010f0141e6a482e0820f658e89b63.zip glibc-b50f8e42ba3010f0141e6a482e0820f658e89b63.tar.gz glibc-b50f8e42ba3010f0141e6a482e0820f658e89b63.tar.bz2 | |
Check for valid stack frame in longjmp.
If longjmp restores the stack frame to an address which is beyond
the stack frame at the time of the longjmp call it would install
an uninitialized stack frame. If compiled with _FORTIFY_SOURCE
defined, longjmp will now bail out in this situation.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -1,5 +1,24 @@ 2009-05-15 Ulrich Drepper <drepper@redhat.com> + * Versions.def: Add GLIBC_2.11 for libc. + * debug/Makefile (routines): Add longjmp_chk. + Add rules to build and run tst-longjmp_chk. + * debug/Versions: Export __longjmp_chk for GLIBC_2.11. + * debug/longjmp_chk.c: New file. + * debug/tst-longjmp_chk.c: New file. + * include/bits/setjmp2.: New file. + * include/stdio.h: Mark __fortify_fail as internal_function. + * setjmp/Makefile (headers): Add bits/setjmp2.h. + * setjmp/bits/setjmp2.h: New file. + * setjmp/longjmp.c: If __libc_siglongjmp is defined, don't define any + of the aliases. + * setjmp/setjmp.h: Include <bits/setjmp2.h> if _FORTIFY_SOURCE is + defined. + * sysdeps/i386/____longjmp_chk.S: New file. + * sysdeps/x86_64/____longjmp_chk.S: New file. + * sysdeps/i386/__longjmp.S: If CHECK_ESP is defined, use it. + * sysdeps/x86_64/__longjmp.S: Likewise. + * version.h: Bump for 2.11 development. * elf/check-execstack.c: New file. |