diff options
| author | Mark Wielaard <mjw@redhat.com> | 2014-11-27 23:53:30 +0100 |
|---|---|---|
| committer | Mark Wielaard <mjw@redhat.com> | 2014-12-04 14:38:18 +0100 |
| commit | 805ec833c17b01e1791162227ab0b4119ffe1eb0 (patch) | |
| tree | 49b51144788da2c08bd393cbb82335bdd6d0af38 /libasm | |
| parent | 12ab700282dd66d5d2144e13611011426091f260 (diff) | |
Add configure --disable-textrelcheck option to enable CC=afl-fuzz on 32bit.
Using american fuzzy lop has found a lot of issues. It would be nice to
make using it a bit easier. Our build files make sure that no shared
library uses text relocations, but afl-gcc will insert some on i686.
http://www.akkadia.org/drepper/textrelocs.html
Now CC=afl-gcc ./configure --disable-textrelcheck will allow them so
that afl can instrument the libraries.
Don't try to use or install them except with afl-fuzz. When selinux is
enabled it might prevent loading the libraries with DT_TEXTREL set.
Signed-off-by: Mark Wielaard <mjw@redhat.com>
Diffstat (limited to 'libasm')
| -rw-r--r-- | libasm/ChangeLog | 4 | ||||
| -rw-r--r-- | libasm/Makefile.am | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/libasm/ChangeLog b/libasm/ChangeLog index 2613610f..034a64da 100644 --- a/libasm/ChangeLog +++ b/libasm/ChangeLog @@ -1,3 +1,7 @@ +2014-01127 Mark Wielaard <mjw@redhat.com> + + * Makefile.am (libasm.so): Use textrel_check. + 2014-04-13 Mark Wielaard <mjw@redhat.com> * Makefile.am: Remove !MUDFLAP conditions. diff --git a/libasm/Makefile.am b/libasm/Makefile.am index 3d6a2e58..88c2530b 100644 --- a/libasm/Makefile.am +++ b/libasm/Makefile.am @@ -66,7 +66,7 @@ libasm.so$(EXEEXT): libasm_pic.a libasm.map -Wl,--version-script,$(srcdir)/libasm.map,--no-undefined \ -Wl,--soname,$@.$(VERSION) \ ../libebl/libebl.a ../libelf/libelf.so $(libasm_so_LDLIBS) - if $(READELF) -d $@ | fgrep -q TEXTREL; then exit 1; fi + $(textrel_check) ln -fs $@ $@.$(VERSION) install: install-am libasm.so |