gcc-toolset-9-elfutils/SOURCES/elfutils-0.176-strip-symbol...

27 lines
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Diff

commit f03ac75239e0981deaf4aa18f66f423bcc5ce051
Author: Mark Wielaard <mark@klomp.org>
Date: Wed Mar 27 21:54:06 2019 +0100
strip: Files with symbols referring to non-existing sections are illformed
The check added in commit 4540ea98c "strip: Fix check test for SHN_XINDEX
symbol" was not complete. The (extended) section index should also exist.
If it doesn't exist, mark the file as illformed.
https://sourceware.org/bugzilla/show_bug.cgi?id=24385
Signed-off-by: Mark Wielaard <mark@klomp.org>
diff --git a/src/strip.c b/src/strip.c
index a73009d9..4cd87506 100644
--- a/src/strip.c
+++ b/src/strip.c
@@ -1975,6 +1975,7 @@ handle_elf (int fd, Elf *elf, const char *prefix, const char *fname,
&& shndxdata->d_buf != NULL);
size_t sidx = (sym->st_shndx != SHN_XINDEX
? sym->st_shndx : xshndx);
+ elf_assert (sidx < shnum);
sec = shdr_info[sidx].idx;
if (sec != 0)