nixpkgs/pkgs/tools/security/afl/qemu-patches/elfload.patch
Austin Seipp 6fbc62419b nixpkgs: afl 1.67b -> 1.80b
Signed-off-by: Austin Seipp <aseipp@pobox.com>
2015-05-27 16:36:26 -05:00

33 lines
1 KiB
Diff

--- qemu-2.3.0/linux-user/elfload.c.orig 2014-12-09 14:45:42.000000000 +0000
+++ qemu-2.3.0/linux-user/elfload.c 2015-01-28 02:51:23.719000000 +0000
@@ -28,6 +28,8 @@
#define ELF_OSABI ELFOSABI_SYSV
+extern abi_ulong afl_entry_point, afl_start_code, afl_end_code;
+
/* from personality.h */
/*
@@ -1889,6 +1891,8 @@
info->brk = 0;
info->elf_flags = ehdr->e_flags;
+ if (!afl_entry_point) afl_entry_point = info->entry;
+
for (i = 0; i < ehdr->e_phnum; i++) {
struct elf_phdr *eppnt = phdr + i;
if (eppnt->p_type == PT_LOAD) {
@@ -1922,9 +1926,11 @@
if (elf_prot & PROT_EXEC) {
if (vaddr < info->start_code) {
info->start_code = vaddr;
+ if (!afl_start_code) afl_start_code = vaddr;
}
if (vaddr_ef > info->end_code) {
info->end_code = vaddr_ef;
+ if (!afl_end_code) afl_end_code = vaddr_ef;
}
}
if (elf_prot & PROT_WRITE) {