Created attachment 10009 [details] Bug triggering input Dear All, This bug was found with AFLGo, a directed version of AFL/AFLFast. Thanks also to Marcel Böhme and Van-Thuan Pham. This bug was found on Ubuntu 14.04 64-bit & binutils was checked out from main repository at git://sourceware.org/git/binutils-gdb.git. Its commit is a6c21d4a553de184562fd8409a5bcd3f2cc2561a (Wed Apr 19 13:16:05 2017). binutils was built with ASAN using gcc-6.2 and clang-3.4. The configure command was: CC=clang CFLAGS="-DFORTIFY_SOURCE=2 -fstack-protector-all -fsanitize=undefined,address -fno-omit-frame-pointer -g -Wno-error" ../configure --disable-shared --disable-gdb --disable-libdecnumber --disable-readline --disable-sim To reproduce: Download the attached file - bug_10 strip-new -g bug_10 ASAN says: ==149367==ERROR: AddressSanitizer: global-buffer-overflow on address 0x000001a69a85 at pc 0x00000044f150 bp 0x7ffcf8f2b330 sp 0x7ffcf8f2aaf0 READ of size 1 at 0x000001a69a85 thread T0 #0 0x44f14f in __interceptor_strcmp (/home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/binutils/strip-new+0x44f14f) #1 0xb11a0a in _bfd_elf_get_reloc_section /home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/bfd/../../bfd/elf.c:3568:10 #2 0xb3e092 in assign_section_numbers /home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/bfd/../../bfd/elf.c:3844:8 #3 0xb15eb0 in _bfd_elf_compute_section_file_positions /home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/bfd/../../bfd/elf.c:4184:8 #4 0xbad0f6 in _bfd_elf_set_section_contents /home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/bfd/../../bfd/elf.c:8748:12 #5 0x86b5db in bfd_set_section_contents /home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/bfd/../../bfd/section.c:1533:7 #6 0x5267e5 in copy_section /home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/binutils/../../binutils/objcopy.c:3887:12 #7 0x869135 in bfd_map_over_sections /home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/bfd/../../bfd/section.c:1395:5 #8 0x502117 in copy_object /home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/binutils/../../binutils/objcopy.c:2858:3 #9 0x4f0698 in copy_archive /home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/binutils/../../binutils/objcopy.c:3129:11 #10 0x4eb926 in copy_file /home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/binutils/../../binutils/objcopy.c:3311:7 #11 0x4ccc09 in strip_main /home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/binutils/../../binutils/objcopy.c:4258:7 #12 0x4cabeb in main /home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/binutils/../../binutils/objcopy.c:5365:5 #13 0x7f093389ef44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287 #14 0x4ca31c in _start (/home/ubuntu/binutils-analysis/binutils-gdb/obj-asan/binutils/strip-new+0x4ca31c)
Dup *** This bug has been marked as a duplicate of bug 21412 ***