In nop_mcount, shdr->sh_offset and welp->r_offset should handle endianness properly, otherwise it will trigger Segmentation fault if the recordmcount main and file.o have different endianness.
Cc: <sta...@vger.kernel.org> # 3.0+ Signed-off-by: Li Bin <huawei.li...@huawei.com> --- scripts/recordmcount.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h index 49b582a..dda9dba 100644 --- a/scripts/recordmcount.h +++ b/scripts/recordmcount.h @@ -376,8 +376,9 @@ static void nop_mcount(Elf_Shdr const *const relhdr, mcountsym = get_mcountsym(sym0, relp, str0); if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) { - if (make_nop) - ret = make_nop((void *)ehdr, shdr->sh_offset + relp->r_offset); + if (make_nop) { + ret = make_nop((void *)ehdr, _w(shdr->sh_offset) + _w(relp->r_offset)); + } if (warn_on_notrace_sect && !once) { printf("Section %s has mcount callers being ignored\n", txtname); -- 1.7.12.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/