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qemu-io-test 147 segfaults when configured with gcov
Head is at 3d7196d43bfe12efe98568cb60057e273652b99b
Steps to re-produce:
1. git clone
./configure --enable-gcov --target-list=ppc64-softmmu
make
cd tests/qemu-iotests
2. export qemu binary, in my environment
export QEMU_PROG=/home/nasastry/qemu_gcov/ppc64-softmmu/qemu-system-ppc64
3. Run test 147 with format qcow2
./check -qcow2 147
QEMU -- "/home/nasastry/qemu_gcov/ppc64-softmmu/qemu-system-ppc64" -nodefaults -machine accel=qtest
QEMU_IMG -- "/home/nasastry/qemu/qemu-img"
QEMU_IO -- "/home/nasastry/qemu/qemu-io" --cache writeback -f qcow2
QEMU_NBD -- "/home/nasastry/qemu/qemu-nbd"
IMGFMT -- qcow2 (compat=1.1)
IMGPROTO -- file
PLATFORM -- Linux/ppc64le zzfp365-lp1 4.13.0-4.rel.git49564cb.el7.centos.ppc64le
TEST_DIR -- /home/nasastry/qemu/tests/qemu-iotests/scratch
SOCKET_SCM_HELPER -- /home/nasastry/qemu/tests/qemu-iotests/socket_scm_helper
147 0s ... [failed, exit status 1] - output mismatch (see 147.out.bad)
--- /home/nasastry/qemu/tests/qemu-iotests/147.out 2017-10-25 14:04:54.978600753 +0530
+++ /home/nasastry/qemu/tests/qemu-iotests/147.out.bad 2017-10-25 14:09:53.769783770 +0530
@@ -1,5 +1,95 @@
-......
+WARNING:qemu:qemu received signal -11: /home/nasastry/qemu_gcov/ppc64-softmmu/qemu-system-ppc64 -chardev socket,id=mon,path=/home/nasastry/qemu/tests/qemu-iotests/scratch/qemu-28636-monitor.sock -mon chardev=mon,mode=control -display none -vga none -qtest unix:path=/home/nasastry/qemu/tests/qemu-iotests/scratch/qemu-28636-qtest.sock -machine accel=qtest -nodefaults -machine accel=qtest
+WARNING:qemu:qemu received signal -11: /home/nasastry/qemu_gcov/ppc64-softmmu/qemu-system-ppc64 -chardev socket,id=mon,path=/home/nasastry/qemu/tests/qemu-iotests/scratch/qemu-28636-monitor.sock -mon chardev=mon,mode=control -display none -vga none -qtest unix:path=/home/nasastry/qemu/tests/qemu-iotests/scratch/qemu-28636-qtest.sock -machine accel=qtest -nodefaults -machine accel=qtest
+WARNING:qemu:qemu received signal -11: /home/nasastry/qemu_gcov/ppc64-softmmu/qemu-system-ppc64 -chardev socket,id=mon,path=/home/nasastry/qemu/tests/qemu-iotests/scratch/qemu-28636-monitor.sock -mon chardev=mon,mode=control -display none -vga none -qtest unix:path=/home/nasastry/qemu/tests/qemu-iotests/scratch/qemu-28636-qtest.sock -machine accel=qtest -nodefaults -machine accel=qtest
+WARNING:qemu:qemu received signal -11: /home/nasastry/qemu_gcov/ppc64-softmmu/qemu-system-ppc64 -chardev socket,id=mon,path=/home/nasastry/qemu/tests/qemu-iotests/scratch/qemu-28636-monitor.sock -mon chardev=mon,mode=control -display none -vga none -qtest unix:path=/home/nasastry/qemu/tests/qemu-iotests/scratch/qemu-28636-qtest.sock -machine accel=qtest -nodefaults -machine accel=qtest
+WARNING:qemu:qemu received signal -11: /home/nasastry/qemu_gcov/ppc64-softmmu/qemu-system-ppc64 -chardev socket,id=mon,path=/home/nasastry/qemu/tests/qemu-iotests/scratch/qemu-28636-monitor.sock -mon chardev=mon,mode=control -display none -vga none -qtest unix:path=/home/nasastry/qemu/tests/qemu-iotests/scratch/qemu-28636-qtest.sock -machine accel=qtest -nodefaults -machine accel=qtest
+WARNING:qemu:qemu received signal -11: /home/nasastry/qemu_gcov/ppc64-softmmu/qemu-system-ppc64 -chardev socket,id=mon,path=/home/nasastry/qemu/tests/qemu-iotests/scratch/qemu-28636-monitor.sock -mon chardev=mon,mode=control -display none -vga none -qtest unix:path=/home/nasastry/qemu/tests/qemu-iotests/scratch/qemu-28636-qtest.sock -machine accel=qtest -nodefaults -machine accel=qtest
+FFFFFF
+======================================================================
+FAIL: test_fd (__main__.BuiltinNBD)
+----------------------------------------------------------------------
+Traceback (most recent call last):
+ File "147", line 203, in test_fd
+ self.client_test(filename, flatten_sock_addr(address), 'nbd-export')
+ File "147", line 55, in client_test
+ self.assert_qmp(result, 'return', {})
+ File "/home/nasastry/qemu/tests/qemu-iotests/iotests.py", line 315, in assert_qmp
+ result = self.dictpath(d, path)
+ File "/home/nasastry/qemu/tests/qemu-iotests/iotests.py", line 274, in dictpath
+ self.fail('failed path traversal for "%s" in "%s"' % (path, str(d)))
+AssertionError: failed path traversal for "return" in "None"
+
+======================================================================
+FAIL: test_inet (__main__.BuiltinNBD)
+----------------------------------------------------------------------
+Traceback (most recent call last):
+ File "147", line 146, in test_inet
+ flatten_sock_addr(address), 'nbd-export')
+ File "147", line 55, in client_test
+ self.assert_qmp(result, 'return', {})
+ File "/home/nasastry/qemu/tests/qemu-iotests/iotests.py", line 315, in assert_qmp
+ result = self.dictpath(d, path)
+ File "/home/nasastry/qemu/tests/qemu-iotests/iotests.py", line 274, in dictpath
+ self.fail('failed path traversal for "%s" in "%s"' % (path, str(d)))
+AssertionError: failed path traversal for "return" in "None"
+
+======================================================================
+FAIL: test_inet6 (__main__.BuiltinNBD)
+----------------------------------------------------------------------
+Traceback (most recent call last):
+ File "147", line 171, in test_inet6
+ self.client_test(filename, flatten_sock_addr(address), 'nbd-export')
+ File "147", line 55, in client_test
+ self.assert_qmp(result, 'return', {})
+ File "/home/nasastry/qemu/tests/qemu-iotests/iotests.py", line 315, in assert_qmp
+ result = self.dictpath(d, path)
+ File "/home/nasastry/qemu/tests/qemu-iotests/iotests.py", line 274, in dictpath
+ self.fail('failed path traversal for "%s" in "%s"' % (path, str(d)))
+AssertionError: failed path traversal for "return" in "None"
+
+======================================================================
+FAIL: test_unix (__main__.BuiltinNBD)
+----------------------------------------------------------------------
+Traceback (most recent call last):
+ File "147", line 179, in test_unix
+ flatten_sock_addr(address), 'nbd-export')
+ File "147", line 55, in client_test
+ self.assert_qmp(result, 'return', {})
+ File "/home/nasastry/qemu/tests/qemu-iotests/iotests.py", line 315, in assert_qmp
+ result = self.dictpath(d, path)
+ File "/home/nasastry/qemu/tests/qemu-iotests/iotests.py", line 274, in dictpath
+ self.fail('failed path traversal for "%s" in "%s"' % (path, str(d)))
+AssertionError: failed path traversal for "return" in "None"
+
+======================================================================
+FAIL: test_inet (__main__.QemuNBD)
+----------------------------------------------------------------------
+Traceback (most recent call last):
+ File "147", line 96, in test_inet
+ flatten_sock_addr(address))
+ File "147", line 55, in client_test
+ self.assert_qmp(result, 'return', {})
+ File "/home/nasastry/qemu/tests/qemu-iotests/iotests.py", line 315, in assert_qmp
+ result = self.dictpath(d, path)
+ File "/home/nasastry/qemu/tests/qemu-iotests/iotests.py", line 274, in dictpath
+ self.fail('failed path traversal for "%s" in "%s"' % (path, str(d)))
+AssertionError: failed path traversal for "return" in "None"
+
+======================================================================
+FAIL: test_unix (__main__.QemuNBD)
+----------------------------------------------------------------------
+Traceback (most recent call last):
+ File "147", line 103, in test_unix
+ flatten_sock_addr(address))
+ File "147", line 55, in client_test
+ self.assert_qmp(result, 'return', {})
+ File "/home/nasastry/qemu/tests/qemu-iotests/iotests.py", line 315, in assert_qmp
+ result = self.dictpath(d, path)
+ File "/home/nasastry/qemu/tests/qemu-iotests/iotests.py", line 274, in dictpath
+ self.fail('failed path traversal for "%s" in "%s"' % (path, str(d)))
+AssertionError: failed path traversal for "return" in "None"
+
----------------------------------------------------------------------
Ran 6 tests
-OK
+FAILED (failures=6)
Failures: 147
Failed 1 of 1 tests
With out gcov configured, the above test get pass.
export QEMU_PROG=/home/nasastry/qemu/ppc64-softmmu/qemu-system-ppc64
./check -qcow2 147
QEMU -- "/home/nasastry/qemu/ppc64-softmmu/qemu-system-ppc64" -nodefaults -machine accel=qtest
QEMU_IMG -- "/home/nasastry/qemu/qemu-img"
QEMU_IO -- "/home/nasastry/qemu/qemu-io" --cache writeback -f qcow2
QEMU_NBD -- "/home/nasastry/qemu/qemu-nbd"
IMGFMT -- qcow2 (compat=1.1)
IMGPROTO -- file
PLATFORM -- Linux/ppc64le zzfp365-lp1 4.13.0-4.rel.git49564cb.el7.centos.ppc64le
TEST_DIR -- /home/nasastry/qemu/tests/qemu-iotests/scratch
SOCKET_SCM_HELPER -- /home/nasastry/qemu/tests/qemu-iotests/socket_scm_helper
147
Passed all 1 tests
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