[Bug binutils/26437] New: UBSAN error: gas/config/tc-cr16.c:2071:17:

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=26437

            Bug ID: 26437
           Summary: UBSAN error: gas/config/tc-cr16.c:2071:17:
           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=cr16-elf CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"
CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: cr16-elf
PASS: .xstabs
Executing on host: sh -c {../as-new    -o tmpdir/add_test.o
/home/mliska/Programming/binutils/gas/testsuite/gas/cr16/add_test.s 2>&1} 
/dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/gas/config/tc-cr16.c:2071:17: runtime error:
left shift of 1 by 31 places cannot be represented in type 'int'

--------------------------------------------------------------------------------
UBSAN error: gas/config/tc-cr16.c:2071:32: 
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=cr16-elf CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"
CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: cr16-elf
PASS: .xstabs
Executing on host: sh -c {../as-new    -o tmpdir/add_test.o
/home/mliska/Programming/binutils/gas/testsuite/gas/cr16/add_test.s 2>&1} 
/dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/gas/config/tc-cr16.c:2071:32: runtime error:
signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'

--------------------------------------------------------------------------------
UBSAN error: gas/config/tc-cr16.c:2072:19: 
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=cr16-elf CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"
CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: cr16-elf
PASS: .xstabs
Executing on host: sh -c {../as-new    -o tmpdir/add_test.o
/home/mliska/Programming/binutils/gas/testsuite/gas/cr16/add_test.s 2>&1} 
/dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/gas/config/tc-cr16.c:2072:19: runtime error:
left shift of 1 by 31 places cannot be represented in type 'int'

--------------------------------------------------------------------------------
UBSAN error: gas/config/tc-cr16.c:2072:14: 
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=cr16-elf CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"
CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: cr16-elf
PASS: .xstabs
Executing on host: sh -c {../as-new    -o tmpdir/add_test.o
/home/mliska/Programming/binutils/gas/testsuite/gas/cr16/add_test.s 2>&1} 
/dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/gas/config/tc-cr16.c:2072:14: runtime error:
negation of -2147483648 cannot be represented in type 'int'; cast to an
unsigned type to negate this value to itself

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