[Bug binutils/30060] New: ASAN error: in bfd_cache_close /buildworker/marxinbox-cross-binutils-sanitizers/build/bfd/cache.c:532

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=30060

            Bug ID: 30060
           Summary: ASAN error: in bfd_cache_close
                    /buildworker/marxinbox-cross-binutils-sanitizers/build
                    /bfd/cache.c:532
           Product: binutils
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: mliska at suse dot cz
                CC: amodra at gmail dot com
  Target Milestone: ---

Since 8219cab3f883cb9981e533407d3ce93d9da7d5f2, I see the following ASAN error:

configure --build=x86_64-linux --disable-gdb --disable-gdbserver
--disable-werror --enable-obsolete --target=alpha-dec-vms CFLAGS="-g -O2
-fsanitize=address,undefined -Wno-error"CXXLAGS="-g -O2
-fsanitize=address,undefined -Wno-error"LDFLAGS="-ldl"
Target: alpha-dec-vms
|       exit( YY_EXIT_FAILURE );
Executing on host: /dev/shm/8klydwaz/binutils/ar rc tmpdir/artest.a
tmpdir/abcdefghijklmnopqrstuvwxyz1 tmpdir/abcdefghijklmnopqrstuvwxyz2  
(timeout = 300)
==14883==ERROR: AddressSanitizer: heap-use-after-free on address 0x6120000007d8
at pc 0x00000045582b bp 0x7fffffffbac0 sp 0x7fffffffbab8
    #0 0x45582a in bfd_cache_close
/buildworker/marxinbox-cross-binutils-sanitizers/build/bfd/cache.c:532
    #1 0x424ffe in remove_output
/buildworker/marxinbox-cross-binutils-sanitizers/build/binutils/ar.c:442
    #2 0x623911 in xatexit_cleanup
/buildworker/marxinbox-cross-binutils-sanitizers/build/libiberty/xatexit.c:98
    #3 0x623ce4 in xexit
/buildworker/marxinbox-cross-binutils-sanitizers/build/libiberty/xexit.c:50
    #4 0x42e707 in bfd_fatal
/buildworker/marxinbox-cross-binutils-sanitizers/build/binutils/bucomm.c:110
    #5 0x426f79 in write_archive
/buildworker/marxinbox-cross-binutils-sanitizers/build/binutils/ar.c:1304
    #6 0x427fd1 in replace_members
/buildworker/marxinbox-cross-binutils-sanitizers/build/binutils/ar.c:1566
    #7 0x4185eb in main
/buildworker/marxinbox-cross-binutils-sanitizers/build/binutils/ar.c:946
    #8 0x7ffff6e2c5af in __libc_start_call_main
../sysdeps/nptl/libc_start_call_main.h:58
    #9 0x7ffff6e2c678 in __libc_start_main_impl ../csu/libc-start.c:381
    #10 0x41a024 in _start ../sysdeps/x86_64/start.S:115

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