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authorConnor Kuehl <ckuehl@redhat.com>2021-04-21 16:23:43 -0500
committerMax Reitz <mreitz@redhat.com>2021-05-14 16:14:10 +0200
commit2b99cfce08da53a07e86271747fe465556ac7eb4 (patch)
tree8725f161fe4add6183eab05404e7b8a601d387fd /tests/qemu-iotests
parentf7afa7daa08c09d7c8435a95a13f6bd9dd11255e (diff)
block/rbd: Add an escape-aware strchr helper
Sometimes the parser needs to further split a token it has collected from the token input stream. Right now, it does a cursory check to see if the relevant characters appear in the token to determine if it should break it down further. However, qemu_rbd_next_tok() will escape characters as it removes tokens from the token stream and plain strchr() won't. This can make the initial strchr() check slightly misleading since it implies qemu_rbd_next_tok() will find the token and split on it, except the reality is that qemu_rbd_next_tok() will pass over it if it is escaped. Use a custom strchr to avoid mixing escaped and unescaped string operations. Furthermore, this code is identical to how qemu_rbd_next_tok() seeks its next token, so incorporate this custom strchr into the body of that function to reduce duplication. Reported-by: Han Han <hhan@redhat.com> Fixes: https://bugzilla.redhat.com/1873913 Signed-off-by: Connor Kuehl <ckuehl@redhat.com> Message-Id: <20210421212343.85524-3-ckuehl@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'tests/qemu-iotests')
-rwxr-xr-xtests/qemu-iotests/2314
-rw-r--r--tests/qemu-iotests/231.out3
2 files changed, 7 insertions, 0 deletions
diff --git a/tests/qemu-iotests/231 b/tests/qemu-iotests/231
index 0f66d0ca36..8e6c6447c1 100755
--- a/tests/qemu-iotests/231
+++ b/tests/qemu-iotests/231
@@ -55,6 +55,10 @@ _filter_conf()
$QEMU_IMG info "json:{'file.driver':'rbd','file.filename':'rbd:rbd/bogus:conf=${BOGUS_CONF}'}" 2>&1 | _filter_conf
$QEMU_IMG info "json:{'file.driver':'rbd','file.pool':'rbd','file.image':'bogus','file.conf':'${BOGUS_CONF}'}" 2>&1 | _filter_conf
+# Regression test: the qemu-img invocation is expected to fail, but it should
+# not seg fault the parser.
+$QEMU_IMG create "rbd:rbd/aa\/bb:conf=${BOGUS_CONF}" 1M 2>&1 | _filter_conf
+
# success, all done
echo "*** done"
rm -f $seq.full
diff --git a/tests/qemu-iotests/231.out b/tests/qemu-iotests/231.out
index 747dd221bb..a785a6e859 100644
--- a/tests/qemu-iotests/231.out
+++ b/tests/qemu-iotests/231.out
@@ -4,4 +4,7 @@ unable to get monitor info from DNS SRV with service name: ceph-mon
qemu-img: Could not open 'json:{'file.driver':'rbd','file.filename':'rbd:rbd/bogus:conf=BOGUS_CONF'}': error connecting: No such file or directory
unable to get monitor info from DNS SRV with service name: ceph-mon
qemu-img: Could not open 'json:{'file.driver':'rbd','file.pool':'rbd','file.image':'bogus','file.conf':'BOGUS_CONF'}': error connecting: No such file or directory
+Formatting 'rbd:rbd/aa\/bb:conf=BOGUS_CONF', fmt=raw size=1048576
+unable to get monitor info from DNS SRV with service name: ceph-mon
+qemu-img: rbd:rbd/aa\/bb:conf=BOGUS_CONF: error connecting: No such file or directory
*** done