[Bug binutils/26521] New: A Floating point exception in elf.c:12840:31

[seviezhou at 163 dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=26521

            Bug ID: 26521
           Summary: A Floating point exception in elf.c:12840:31
           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 12789
  --> https://sourceware.org/bugzilla/attachment.cgi?id=12789&action=edit
FPE-_bfd_elf_write_secondary_reloc_section-elf-12840

## 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
=================================================================
==14746==ERROR: AddressSanitizer: FPE on unknown address 0x00000069c05c (pc
0x00000069c05c bp 0x7ffde12578d0 sp 0x7ffde1257720 T0)
    #0 0x69c05b in _bfd_elf_write_secondary_reloc_section
/home/seviezhou/binutils/bfd/elf.c:12840:31
    #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 0x7fa7b3be6b96 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: FPE /home/seviezhou/binutils/bfd/elf.c:12840:31 in
_bfd_elf_write_secondary_reloc_section
==14746==ABORTING
```

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