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From: Edward Adam Davis <eadavis@qq.com>
To: syzbot+ba83b7db8e644b8b7c19@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [media?] memory leak in dvb_dmxdev_add_pid
Date: Sun, 26 Apr 2026 13:03:34 +0800	[thread overview]
Message-ID: <tencent_3FC506CD12CCC66C49AB2EC3AEC4CC936706@qq.com> (raw)
In-Reply-To: <69ed5ace.170a0220.11de9.000b.GAE@google.com>

#syz test

diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c
index 3c8bc75e4d6c..62733859f639 100644
--- a/drivers/media/dvb-core/dmxdev.c
+++ b/drivers/media/dvb-core/dmxdev.c
@@ -937,6 +937,7 @@ static int dvb_dmxdev_filter_set(struct dmxdev *dmxdev,
 		__func__, params->pid, params->flags, params->timeout);
 
 	dvb_dmxdev_filter_stop(dmxdevfilter);
+	dvb_dmxdev_filter_reset(dmxdevfilter);
 
 	dmxdevfilter->type = DMXDEV_TYPE_SEC;
 	memcpy(&dmxdevfilter->params.sec,


  reply	other threads:[~2026-04-26  5:04 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-26  0:22 [syzbot] [media?] memory leak in dvb_dmxdev_add_pid syzbot
2026-04-26  5:03 ` Edward Adam Davis [this message]
2026-04-26  5:32   ` syzbot
2026-04-26  5:33 ` [PATCH] media: dvb-core: release pid memory when set filter to sec Edward Adam Davis

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