From: Markus Armbruster <armbru@redhat.com> To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, mreitz@redhat.com, qemu-block@nongnu.org, qemu-stable@nongnu.org Subject: [Qemu-devel] [PATCH for-4.0] hmp: Fix drive_add ... format=help crash Date: Fri, 5 Apr 2019 13:45:13 +0200 [thread overview] Message-ID: <20190405114513.3141-1-armbru@redhat.com> (raw) drive_new() returns null without setting an error when it provided help. add_init_drive() assumes null means failure, and crashes trying to report a null error. Fixes: c4f26c9f37ce511e5fe629c21c180dc6eb7c5a25 Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> --- device-hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/device-hotplug.c b/device-hotplug.c index 6090d5f1e9..6153259d71 100644 --- a/device-hotplug.c +++ b/device-hotplug.c @@ -48,7 +48,7 @@ static DriveInfo *add_init_drive(const char *optstr) mc = MACHINE_GET_CLASS(current_machine); dinfo = drive_new(opts, mc->block_default_type, &err); - if (!dinfo) { + if (err) { error_report_err(err); qemu_opts_del(opts); return NULL; -- 2.17.2
WARNING: multiple messages have this Message-ID (diff)
From: Markus Armbruster <armbru@redhat.com> To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, qemu-stable@nongnu.org, qemu-block@nongnu.org, mreitz@redhat.com Subject: [Qemu-devel] [PATCH for-4.0] hmp: Fix drive_add ... format=help crash Date: Fri, 5 Apr 2019 13:45:13 +0200 [thread overview] Message-ID: <20190405114513.3141-1-armbru@redhat.com> (raw) Message-ID: <20190405114513.7A6Xyotc838YvV7B9b6x_pYzKcOCD7qmvhhSYudbgTs@z> (raw) drive_new() returns null without setting an error when it provided help. add_init_drive() assumes null means failure, and crashes trying to report a null error. Fixes: c4f26c9f37ce511e5fe629c21c180dc6eb7c5a25 Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> --- device-hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/device-hotplug.c b/device-hotplug.c index 6090d5f1e9..6153259d71 100644 --- a/device-hotplug.c +++ b/device-hotplug.c @@ -48,7 +48,7 @@ static DriveInfo *add_init_drive(const char *optstr) mc = MACHINE_GET_CLASS(current_machine); dinfo = drive_new(opts, mc->block_default_type, &err); - if (!dinfo) { + if (err) { error_report_err(err); qemu_opts_del(opts); return NULL; -- 2.17.2
next reply other threads:[~2019-04-05 11:45 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-04-05 11:45 Markus Armbruster [this message] 2019-04-05 11:45 ` [Qemu-devel] [PATCH for-4.0] hmp: Fix drive_add ... format=help crash Markus Armbruster 2019-04-05 12:51 ` Kevin Wolf 2019-04-05 12:51 ` Kevin Wolf 2019-04-05 16:11 ` Dr. David Alan Gilbert 2019-04-05 16:11 ` Dr. David Alan Gilbert 2019-04-05 16:24 ` Kevin Wolf 2019-04-05 16:24 ` Kevin Wolf
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