Christophe Leroy 81a026b9c3 lkdtm: Fix content of section containing lkdtm_rodata_do_nothing() ... commit bc93a22a19 upstream. On a kernel without CONFIG_STRICT_KERNEL_RWX, running EXEC_RODATA test leads to "Illegal instruction" failure. Looking at the content of rodata_objcopy.o, we see that the function content zeroes only: Disassembly of section .rodata: 0000000000000000 <.lkdtm_rodata_do_nothing>: 0: 00 00 00 00 .long 0x0 Add the contents flag in order to keep the content of the section while renaming it. Disassembly of section .rodata: 0000000000000000 <.lkdtm_rodata_do_nothing>: 0: 4e 80 00 20 blr Fixes: e9e08a0738 ("lkdtm: support llvm-objcopy") Cc: stable@vger.kernel.org Cc: Kees Cook <keescook@chromium.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/8900731fbc05fb8b0de18af7133a8fc07c3c53a1.1633712176.git.christophe.leroy@csgroup.eu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2022-01-27 09:19:28 +01:00
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bugs.c
cfi.c
core.c
heap.c
lkdtm.h
Makefile	lkdtm: Fix content of section containing lkdtm_rodata_do_nothing()	2022-01-27 09:19:28 +01:00
perms.c
refcount.c
rodata.c	lkdtm: don't move ctors to .rodata	2021-02-17 10:35:16 +01:00
stackleak.c
usercopy.c