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Perez de Azpillaga" To: syzbot Cc: dwlsalmeida@gmail.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [PATCH] media: dvb-core: fix memory leak in dvb_dmxdev_add_pid() on start failure Message-ID: References: <69d411c9.a70a0220.a26f2.003e.GAE@google.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sun, Apr 12, 2026 at 08:25:51PM +0200, Jose A. Perez de Azpillaga wrote: > When dvb_dmxdev_add_pid() adds a new dmxdev_feed to the filter's ts list > and then dvb_dmxdev_start_feed() fails, the function returns the error > code but leaves the orphaned feed entry in the list without cleaning up. > > Fix this by removing the orphaned feed from the list and freeing it when > dvb_dmxdev_start_feed() fails in dvb_dmxdev_add_pid(). > > Fixes: 1cb662a31449 ("V4L/DVB (12275): Add two new ioctls: DMX_ADD_PID and DMX_REMOVE_PID") > Reported-by: syzbot+afc686a471d70896c5d9@syzkaller.appspotmail.com > Closes: https://syzkaller.appspot.com/bug?extid=afc686a471d70896c5d9 > Tested-by: syzbot+afc686a471d70896c5d9@syzkaller.appspotmail.com > Signed-off-by: Jose A. Perez de Azpillaga hi, just a gentle ping for this patch. is there anything else needed from my side? thanks -- jose a. p-a