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


From: mliska at suse dot cz
Subject: [Bug binutils/26437] UBSAN error: gas/config/tc-cr16.c:2071:17:
Date: Thu, 20 Aug 2020 12:19:03 +0000

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

--- Comment #1 from Martin Liska <mliska at suse dot cz> ---
UBSAN error: gas/config/tc-cr16.c:1764:21: 
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:1764:21: runtime error:
left shift of 1 by 31 places cannot be represented in type 'int'

--------------------------------------------------------------------------------
UBSAN error: gas/config/tc-cr16.c:1764:37: 
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:1764:37: runtime error:
signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'

--------------------------------------------------------------------------------
UBSAN error: gas/config/tc-cr16.c:1764:42: 
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:1764:42: runtime error:
left shift of 2147483647 by 1 places cannot be represented in type 'int'

--------------------------------------------------------------------------------
UBSAN error: gas/config/tc-cr16.c:2078:20: 
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
FAIL: add_test
Executing on host: sh -c {../as-new    -o tmpdir/and_test.o
/home/mliska/Programming/binutils/gas/testsuite/gas/cr16/and_test.s 2>&1} 
/dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/gas/config/tc-cr16.c:2078:20: runtime error:
left shift of 1 by 31 places cannot be represented in type 'int'

--------------------------------------------------------------------------------
UBSAN error: gas/config/tc-cr16.c:2078:35: 
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
FAIL: add_test
Executing on host: sh -c {../as-new    -o tmpdir/and_test.o
/home/mliska/Programming/binutils/gas/testsuite/gas/cr16/and_test.s 2>&1} 
/dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/gas/config/tc-cr16.c:2078:35: runtime error:
signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'

--------------------------------------------------------------------------------
UBSAN error: gas/config/tc-cr16.c:2078:40: 
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
FAIL: add_test
Executing on host: sh -c {../as-new    -o tmpdir/and_test.o
/home/mliska/Programming/binutils/gas/testsuite/gas/cr16/and_test.s 2>&1} 
/dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/gas/config/tc-cr16.c:2078:40: runtime error:
left shift of 2147483647 by 1 places cannot be represented in type 'int'

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