I have changed the summary to: qemu: fix crash when migrateuri has no scheme On Wed, Feb 11, 2015 at 04:30:32PM +0800, Luyao Huang wrote: > https://bugzilla.redhat.com/show_bug.cgi?id=1191355 > > When we migrate a vm with migrateuri option with a uri do not > have scheme like this: > I reworded it as: When we attempt to migrate a vm with a migrateuri that has no scheme: > # virsh migrate test4 --live qemu+ssh://lhuang/system --migrateuri 127.0.0.1 > > target libvirtd will crashed because uri->scheme is NULL in s/crashed/crash/ > qemuMigrationPrepareDirect this line: s/this line/on this line/ > > if (STRNEQ(uri->scheme, "tcp") && > > add a value check before this line. Also fix a place like this in s/place/bug/ > doNativeMigrate. that could only happen when destination libvirtd returned an incorrect URI. > > Signed-off-by: Luyao Huang <lhuang@xxxxxxxxxx> > --- > src/qemu/qemu_migration.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c > index 879b1bf..d4ffe6c 100644 > --- a/src/qemu/qemu_migration.c > +++ b/src/qemu/qemu_migration.c > @@ -3281,6 +3281,13 @@ qemuMigrationPrepareDirect(virQEMUDriverPtr driver, > if (!(uri = qemuMigrationParseURI(uri_in, &well_formed_uri))) > goto cleanup; > > + if (uri->scheme == NULL) { > + virReportError(VIR_ERR_INVALID_ARG, > + _("missing scheme in migration URI: %s"), > + uri_in); > + goto cleanup; > + } > + > if (STRNEQ(uri->scheme, "tcp") && > STRNEQ(uri->scheme, "rdma")) { > virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, > @@ -4083,6 +4090,13 @@ static int doNativeMigrate(virQEMUDriverPtr driver, > if (!(uribits = qemuMigrationParseURI(uri, NULL))) > return -1; > > + if (uribits->scheme == NULL) { > + virReportError(VIR_ERR_INVALID_ARG, I changed this to INTERNAL_ERROR, because it would be libvirtd's fault if this happened and pushed the patch. Jan
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