[Bug 1490023] Re: arm64 ldconfig.real segfaults on some armhf libs

[dann frazier]

(gdb) run
Starting program: /home/dannf/glibc-2.21/build-tree/arm64-libc/elf/ldconfig 

Program received signal SIGSEGV, Segmentation fault.
is_library_hf (file_name=<optimized out>, file_length=<optimized out>, file_contents=0x7fb7d0b000)
    at ../sysdeps/unix/sysv/linux/aarch64/../arm/readelflib.c:68
68	      if (SHT_ARM_ATTRIBUTES == shdrs[i].sh_type)


Which appears to be from debian/patches/arm/unsubmitted-ldconfig-cache-abi.diff

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Title:
  arm64 ldconfig.real segfaults on some armhf libs

Status in glibc package in Ubuntu:
  New

Bug description:
  I ran 'dpkg --add-architecture armhf' on my arm64 system so I could try to use an app that hasn't been ported to arm64 yet.
  After installing some armhf libs, ldconfig began to segfault. Specifically, it seems to trip over libsystemd.so.0 and libudev.so.1. It seems to process other armhf libs just fine.

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