From: Kevin Wolf <kwolf@redhat.com>
To: qemu-block@nongnu.org
Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org
Subject: [PULL 13/13] softmmu/qdev-monitor: fix use-after-free in qdev_set_id()
Date: Mon, 15 Nov 2021 15:54:09 +0100 [thread overview]
Message-ID: <20211115145409.176785-14-kwolf@redhat.com> (raw)
In-Reply-To: <20211115145409.176785-1-kwolf@redhat.com>
From: Stefan Hajnoczi <stefanha@redhat.com>
Reported by Coverity (CID 1465222).
Fixes: 4a1d937796de0fecd8b22d7dbebf87f38e8282fd ("softmmu/qdev-monitor: add error handling in qdev_set_id")
Cc: Damien Hedde <damien.hedde@greensocs.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20211102163342.31162-1-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Damien Hedde <damien.hedde@greensocs.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
softmmu/qdev-monitor.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/softmmu/qdev-monitor.c b/softmmu/qdev-monitor.c
index b5aaae4b8c..01ec420e61 100644
--- a/softmmu/qdev-monitor.c
+++ b/softmmu/qdev-monitor.c
@@ -593,8 +593,8 @@ const char *qdev_set_id(DeviceState *dev, char *id, Error **errp)
if (prop) {
dev->id = id;
} else {
- g_free(id);
error_setg(errp, "Duplicate device ID '%s'", id);
+ g_free(id);
return NULL;
}
} else {
--
2.31.1
next prev parent reply other threads:[~2021-11-15 15:08 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-15 14:53 [PULL 00/13] Block layer patches Kevin Wolf
2021-11-15 14:53 ` [PULL 01/13] stream: Traverse graph after modification Kevin Wolf
2021-11-15 14:53 ` [PULL 02/13] block: Manipulate children list in .attach/.detach Kevin Wolf
2021-11-15 14:53 ` [PULL 03/13] block: Unite remove_empty_child and child_free Kevin Wolf
2021-11-15 14:54 ` [PULL 04/13] block: Drop detached child from ignore list Kevin Wolf
2021-11-15 14:54 ` [PULL 05/13] block: Pass BdrvChild ** to replace_child_noperm Kevin Wolf
2021-11-15 14:54 ` [PULL 06/13] block: Restructure remove_file_or_backing_child() Kevin Wolf
2021-11-15 14:54 ` [PULL 07/13] transactions: Invoke clean() after everything else Kevin Wolf
2021-11-15 14:54 ` [PULL 08/13] block: Let replace_child_tran keep indirect pointer Kevin Wolf
2021-11-15 14:54 ` [PULL 09/13] block: Let replace_child_noperm free children Kevin Wolf
2021-11-15 14:54 ` [PULL 10/13] iotests/030: Unthrottle parallel jobs in reverse Kevin Wolf
2021-11-15 14:54 ` [PULL 11/13] docs: Deprecate incorrectly typed device_add arguments Kevin Wolf
2021-11-15 14:54 ` [PULL 12/13] file-posix: Fix alignment after reopen changing O_DIRECT Kevin Wolf
2021-11-15 14:54 ` Kevin Wolf [this message]
2021-11-15 20:55 ` [PULL 00/13] Block layer patches Richard Henderson
2021-11-16 8:49 ` Hanna Reitz
2021-11-15 20:59 ` Philippe Mathieu-Daudé
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20211115145409.176785-14-kwolf@redhat.com \
--to=kwolf@redhat.com \
--cc=peter.maydell@linaro.org \
--cc=qemu-block@nongnu.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).