https://sourceware.org/bugzilla/show_bug.cgi?id=26408
Bug ID: 26408
Summary: A null pointer deference in elf.c:12901:11
Product: binutils
Version: 2.36 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: seviezhou at 163 dot com
Target Milestone: ---
Created attachment 12780
--> https://sourceware.org/bugzilla/attachment.cgi?id=12780&action=edit
SEGV-_bfd_elf_write_secondary_reloc_section-elf-12901
## System info
Ubuntu x86_64, clang 6.0, binutils (2.36
d1ce973eb377f19240005665258ce1d89bd064b5)
## Configure
CFLAGS="-g -fsanitize=address" LDFLAGS="-fsanitize=address" ./configure
## Command line
./binutils/strip-new -s -g -S -d -w -x -X -v -o /dev/null @@
## AddressSanitizer output
```
AddressSanitizer:DEADLYSIGNAL
=================================================================
==68830==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc
0x00000069c27f bp 0x7ffd6cec00f0 sp 0x7ffd6cebff40 T0)
==68830==The signal is caused by a READ memory access.
==68830==Hint: address points to the zero page.
#0 0x69c27e in _bfd_elf_write_secondary_reloc_section
/home/seviezhou/binutils/bfd/elf.c:12901:11
#1 0x642b07 in bfd_elf64_write_relocs
/home/seviezhou/binutils/bfd/./elfcode.h:1002:8
#2 0x5d7bbc in bfd_map_over_sections
/home/seviezhou/binutils/bfd/section.c:1379:5
#3 0x6847f0 in _bfd_elf_write_object_contents
/home/seviezhou/binutils/bfd/elf.c:6657:3
#4 0x5cf909 in bfd_close /home/seviezhou/binutils/bfd/opncls.c:775:13
#5 0x51e9d4 in copy_file
/home/seviezhou/binutils/binutils/objcopy.c:3846:51
#6 0x5143d8 in strip_main
/home/seviezhou/binutils/binutils/objcopy.c:4826:7
#7 0x5143d8 in main /home/seviezhou/binutils/binutils/objcopy.c:6024
#8 0x7f9cefa3eb96 in __libc_start_main
/build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
#9 0x41ac99 in _start
(/home/seviezhou/binutils/binutils/strip-new+0x41ac99)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/seviezhou/binutils/bfd/elf.c:12901:11 in
_bfd_elf_write_secondary_reloc_section
==68830==ABORTING
```
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