Bug 26437 - UBSAN error: gas/config/tc-cr16.c:2071:17:
Summary: UBSAN error: gas/config/tc-cr16.c:2071:17:
Status: RESOLVED FIXED
Alias: None
Product: binutils
Classification: Unclassified
Component: binutils (show other bugs)
Version: 2.34
: P2 normal
Target Milestone: 2.36
Assignee: Alan Modra
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2020-08-20 12:18 UTC by Martin Liska
Modified: 2020-08-30 13:28 UTC (History)
0 users

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Last reconfirmed: 2020-08-30 00:00:00

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Description Martin Liska 2020-08-20 12:18:18 UTC 
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'

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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'

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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'

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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
Comment 1 Martin Liska 2020-08-20 12:19:03 UTC 
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'

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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'

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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'

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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'

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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'

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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'
Comment 2 Alan Modra 2020-08-30 13:28:22 UTC 
Fixed with commit c930281005b0