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envelope-from=dongli.zhang@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org It is required to use error_report() instead of error_reportf_err(), if the prior function does not take local_err as the argument. As a result, the local_err is always NULL and segment fault may happen. vhost_scsi_start() -> vhost_scsi_set_endpoint(s) --> does not allocate local_err -> error_reportf_err() -> error_vprepend() -> g_string_append(newmsg, (*errp)->msg) --> (*errp) is NULL In addition, add ": " at the end of other error_reportf_err() logs. Fixes: 7962e432b4e4 ("vhost-user-scsi: support reconnect to backend") Signed-off-by: Dongli Zhang Reviewed-by: Feng Li Reviewed-by: Raphael Norwitz --- hw/scsi/vhost-scsi.c | 4 ++-- hw/scsi/vhost-user-scsi.c | 3 ++- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c index 3126df9e1d..9929c0d14b 100644 --- a/hw/scsi/vhost-scsi.c +++ b/hw/scsi/vhost-scsi.c @@ -91,13 +91,13 @@ static int vhost_scsi_start(VHostSCSI *s) ret = vhost_scsi_common_start(vsc, &local_err); if (ret < 0) { - error_reportf_err(local_err, "Error starting vhost-scsi"); + error_reportf_err(local_err, "Error starting vhost-scsi: "); return ret; } ret = vhost_scsi_set_endpoint(s); if (ret < 0) { - error_reportf_err(local_err, "Error setting vhost-scsi endpoint"); + error_report("Error setting vhost-scsi endpoint"); vhost_scsi_common_stop(vsc); } diff --git a/hw/scsi/vhost-user-scsi.c b/hw/scsi/vhost-user-scsi.c index 780f10559d..af18c4f3d3 100644 --- a/hw/scsi/vhost-user-scsi.c +++ b/hw/scsi/vhost-user-scsi.c @@ -83,7 +83,8 @@ static void vhost_user_scsi_set_status(VirtIODevice *vdev, uint8_t status) if (should_start) { ret = vhost_user_scsi_start(s, &local_err); if (ret < 0) { - error_reportf_err(local_err, "unable to start vhost-user-scsi: %s", + error_reportf_err(local_err, + "unable to start vhost-user-scsi: %s: ", strerror(-ret)); qemu_chr_fe_disconnect(&vs->conf.chardev); }