From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out203-205-221-202.mail.qq.com (out203-205-221-202.mail.qq.com [203.205.221.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2F2C01E4BE for ; Sun, 26 Apr 2026 05:04:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.205.221.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777179898; cv=none; b=ITEn1JVzCdEahjzjRVinehgOnovUvGl+9SzK3Xj8Ql6pDM8paSAsf4tDmOJ+yKczz9Sxz87+ikzQj0n4J/F0EtCP4DxYNxqa66A6XxjeRYKRXyhRpOte+RT/6vOFHLg7pCOaBBRUy+yEY1RTqcwsiXNOS+Q+yvXliMzFg/oBUQs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777179898; c=relaxed/simple; bh=pwyDw8336AXoHjVEYL/koy43yYZ/nC0F05DyF6UUjTQ=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=caCJefy5kLlg7aR4ga86+8N+BBtMhhgglYoMnq0VSxr/UjLFIYtu7OSNoc35c0mrxB+LqrsmV2QdHi/E08Ffbqh1RpPZCGaRA5ThDMFEQsl0r6juFlRQCjGopr+dq71sZRfCHE7L0Gy3DWO/Vtj02VoIClsAGNgaOgSPFtUILfM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com; spf=pass smtp.mailfrom=qq.com; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=oRsS6Gvn; arc=none smtp.client-ip=203.205.221.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qq.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="oRsS6Gvn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1777179887; bh=kpjjBf5vgZubfS/ReF7bNakBQhTD9tuxsj8M4vthCMs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=oRsS6GvnD1k1Mm7dVrxr/I3i9on/q8mU9qXTMMmbxdqWkA30gP6KBPwrsabCcBW5N PwQvMuK3FffdHtHw4Ud+YV1gpvbOMQ2mfabTgDJRMjTlGN0wfRWAcW6+xBfIbfG6BN vAjw3QbcZuDiB/57TdzyzUXi9TesH+FHybp2YHPE= Received: from lxu-ped-host.. ([111.198.231.89]) by newxmesmtplogicsvrszc50-0.qq.com (NewEsmtp) with SMTP id E23F4A9; Sun, 26 Apr 2026 13:03:34 +0800 X-QQ-mid: xmsmtpt1777179814tbqjwyss2 Message-ID: X-QQ-XMAILINFO: MllZffuBkEb5/1+xTilerq/jID6rP5hvXKAkeZE8NUWj5RcmRoh7Cjx1+yyeHu 0RAOFlCBweuZ/Qqw5nTEe6dNhHa+YtH2+mnwjfGiXU3/2VxQA1DyN8SxNya4LniUgsQpH97Q9hLq 7eeorGpIG+KlKRXQ4jSolUo39QtL1mssgJCYfdcxK8H71r/vkvuC8urp//6e1p1U/QfASeTA3tCJ rxuexBCAIKwk/jBR9sCrXKOxfPuNnQi8oMtJVZdxm+2M8GDRjZAvzlPeKejEVx7igie28Oz0syEG pa1inu05dJykjyGtQrT0YU/Vagd2Y+uNG6zhtccgWrjAcPMDvggOm7ZiD7OPZeCTPtDr0nzJyN+w XTys7ZHxOQxST52fRNRMpGTAIYc3ZFiThfRsZkPk58yxi5BJNojXm2hjIZvX2OcX/qC158zKc6gU BruUYn/h9kbqeMgGLA48IHP18M5TpYGMcbrrR94nRoSnxjt2rlaR65W8J4FT0idKKLYSM/pC4gSf zf4ozTpp0RZQMfUFFgdHxQY7fAtVEewwyn3KqAcry+Cbwnqj8rCQ5RFR0IVRV9wGxhiDro7NjteL iVdfEOjrpC2QhlzgQLxbh0SX0fLfpudrzpfCMOJqL52MRfIAG9cOX5g5TS8gT+jGDyfASpAI9+kO u7AaHa3xOhZ2S3vbeaeSrW6teov0XeC68qTrWGaQJiAApYSlRE146Y0Lc+QkITFX/N6LhxUx/kUo oi3YkUIcFgkfPULme7doRMnQ9reCX+AQJgMEHkD+acYDqhG4wuyYrbCkc31qcO8kI6DtD6XhFCt2 JXjmA+dN2T5+iO2Q+1aSSUE24IHOp6+uOahixYzsFX5TI2wzA6s9z1+kBK22m8qWdvj/DKU//Aja QPdannReltMZdhjlBUTQljSxNKjzlQHN9/uzrp5NOPytOOY6YjZEP8XrVw3J+HOCA1rYaAZFAtz+ zl4SGBosSteJBbQdlde/+LfJr8oJNglLfKzQ18yai62ffcexNi7KQ/WqZnQKNP X-QQ-XMRINFO: NS+P29fieYNwqS3WCnRCOn9D1NpZuCnCRA== From: Edward Adam Davis 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 X-OQ-MSGID: <20260426050334.154276-2-eadavis@qq.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <69ed5ace.170a0220.11de9.000b.GAE@google.com> References: <69ed5ace.170a0220.11de9.000b.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit #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,