[Bug binutils/26433] New: UBSAN error: bfd/elf32-avr.c:4109:17:

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=26433

            Bug ID: 26433
           Summary: UBSAN error: bfd/elf32-avr.c:4109:17:
           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=avr-elf CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"
CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: avr-elf
FAIL: AVR .avr.prop, single .org test.
Executing on host: sh -c {./ld-new  
-L/home/mliska/Programming/binutils/ld/testsuite/ld-avr  -mavrxmega2 --relax -o
tmpdir/dump tmpdir/avr-prop-2.o  2>&1}  /dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/bfd/elf32-avr.c:4109:17: runtime error: load
of misaligned address 0x603000000dc9 for type 'uint32_t', which requires 4 byte
alignment

--------------------------------------------------------------------------------
UBSAN error: bfd/elf32-avr.c:4159:43: 
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=avr-elf CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"
CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: avr-elf
FAIL: AVR .avr.prop, multiple .org test.
Executing on host: sh -c {./ld-new  
-L/home/mliska/Programming/binutils/ld/testsuite/ld-avr  -mavrxmega2 --relax -o
tmpdir/dump tmpdir/avr-prop-3.o  2>&1}  /dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/bfd/elf32-avr.c:4159:43: runtime error: load
of misaligned address 0x603000000df9 for type 'uint32_t', which requires 4 byte
alignment

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