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[217.105.46.58]) by smtp.gmail.com with ESMTPSA id x25-20020a170906135900b00992acab8c45sm4450161ejb.12.2023.07.13.13.10.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Jul 2023 13:10:36 -0700 (PDT) Date: Thu, 13 Jul 2023 22:10:35 +0200 From: Nam Cao To: Larry Finger Cc: gregkh@linuxfoundation.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, syzbot+cf71097ffb6755df8251@syzkaller.appspotmail.com, stable@vger.kernel.org Subject: Re: [PATCH] staging: 7811: Fix memory leak in _r8712_init_xmit_priv Message-ID: References: <20230712205733.29794-1-Larry.Finger@lwfinger.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Thu, Jul 13, 2023 at 01:51:00PM -0500, Larry Finger wrote: > On 7/13/23 12:35, Your Name wrote: > > The allocation was done in a loop. Shouldn't memory from previous loop iterations > > also be freed? And allocation by r8712_xmit_resource_alloc() should be freed too. > > Nam, > > You are right on both counts. I will prepare version 2. > > Larry Perhaps you can make use of my WIP that I didn't have time to finish: https://github.com/covanam/linux/commit/ee8a0719ec8535f932b30aa67325fc21ba998c50 (Untested and the label names are kind of dumb) Best regards, Nam