[Bug binutils/26478] New: UBSAN error: bfd/mmo.c:2941:3:

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=26478

            Bug ID: 26478
           Summary: UBSAN error: bfd/mmo.c:2941:3:
           Product: binutils
           Version: 2.34
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: mliska at suse dot cz
  Target Milestone: ---

The following fails when I build binutils with:
configure --build=x86_64-linux --disable-nls --disable-gdb --disable-gdbserver
--disable-sim --disable-readline --disable-libdecnumber --enable-obsolete
--target=mmix CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"
CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: mmix
PASS: ld-mmix/b-loc64k
Executing on host: sh -c {/dev/shm/ueb5xm2p/ld/../binutils/objcopy  tmpdir/dump
tmpdir/dump1 2>&1}  /dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/bfd/mmo.c:2941:3: runtime error: null pointer
passed as argument 2, which is declared to never be null

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