[patch] sandbox-2.14-fix-parse-elf.patch

sandbox-2.14-fix-parse-elf.patch (text/plain), 816 bytes, created by Dennis Schridde on 2018-12-29 21:29:07 UTC

Fix a segfault in PARSE_ELF on binaries generated by Clang and lld

Closes: https://bugs.gentoo.org/672918
Signed-Off-By: Dennis Schridde <[e-mail]>
--- sandbox-2.14/libsandbox/wrapper-funcs/__wrapper_exec.c.orig	2018-12-29 22:02:20.095460922 +0100
+++ sandbox-2.14/libsandbox/wrapper-funcs/__wrapper_exec.c	2018-12-29 22:07:56.646853982 +0100
@@ -165,7 +165,8 @@
 			\
 			while (sym < symend) { \
 				char *symname = (void *)(elf + stroff + sym->st_name); \
-				if (ELF##n##_ST_VISIBILITY(sym->st_other) == STV_DEFAULT && \
+				if (ELF##n##_ST_TYPE(sym->st_info) == STT_FUNC && \
+				    ELF##n##_ST_VISIBILITY(sym->st_other) == STV_DEFAULT && \
 				    sym->st_shndx != SHN_UNDEF && sym->st_shndx < SHN_LORESERVE && \
 				    sym->st_name && \
 				    /* Minor optimization to avoid strcmp. */ \