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{ "id": 2184114, "url": "http://patchwork.ozlabs.org/api/covers/2184114/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/cover/20260114-tftp_fix-v2-0-8de8e6ecf4e8@linaro.org/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260114-tftp_fix-v2-0-8de8e6ecf4e8@linaro.org>", "list_archive_url": null, "date": "2026-01-14T15:12:08", "name": "[v2,0/2] net: lwip: Do not write past end of buffer", "submitter": { "id": 88793, "url": "http://patchwork.ozlabs.org/api/people/88793/?format=api", "name": "Andrew Goodbody", "email": "andrew.goodbody@linaro.org" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/cover/20260114-tftp_fix-v2-0-8de8e6ecf4e8@linaro.org/mbox/", "series": [ { "id": 488348, "url": "http://patchwork.ozlabs.org/api/series/488348/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=488348", "date": "2026-01-14T15:12:08", "name": "net: lwip: Do not write past end of buffer", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/488348/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2184114/comments/", "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=tEwLGotl;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "X-B4-Tracking": "v=1; b=H4sIAEiyZ2kC/22MQQrCMBAAv1L2bCSJGqkn/yFFNk3aLkhSNiEoJ\n X839uxxhmE2SJ7JJ7h1G7AvlCiGBvrQwbhgmL0g1xi01EYq2Ys85fU50Vuc0PbWGYMGHbR8Zd/\n 0vnoMjRdKOfJnPxf1s38mRQklzNm6i0Q7XrW9vyggx2PkGYZa6xcjpGkzoQAAAA==", "X-Change-ID": "20260109-tftp_fix-3ab9bd66a6ad", "To": "Ilias Apalodimas <ilias.apalodimas@linaro.org>,\n Jerome Forissier <jerome@forissier.org>, u-boot@lists.denx.de", "Cc": "Tom Rini <trini@konsulko.com>, Heinrich Schuchardt <xypron.glpk@gmx.de>,\n Michal Simek <michal.simek@amd.com>,\n Joe Hershberger <joe.hershberger@ni.com>,\n Ramon Fried <rfried.dev@gmail.com>,\n Martyn Welch <martyn.welch@collabora.com>, Benjamin Hahn <B.Hahn@phytec.de>,\n Simon Glass <sjg@chromium.org>, Tim Harvey <tharvey@gateworks.com>,\n Andrew Goodbody <andrew.goodbody@linaro.org>", "X-Mailer": "b4 0.14.2", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "Fix some cases where the trailing \\0 written by sprintf is not allowed\nfor in the target buffer resulting in writing past the end of the\nbuffer.\n\nSigned-off-by: Andrew Goodbody <andrew.goodbody@linaro.org>\n---\nChanges in v2:\n- Address review comments from Michal Simek\n- Add a second patch to address some more instances of sprintf writing\n past the end of the target buffer found by code inspection while\n looking for an issue.\n- Link to v1: https://lore.kernel.org/r/20260109-tftp_fix-v1-1-64bd50abc72b@linaro.org\n\n---\nAndrew Goodbody (2):\n net: lwip: tftp: Do not write past buffer end\n net: lwip: dhcp: Do not write past end of buffer\n\n lib/lwip/lwip/src/apps/tftp/tftp.c | 2 +-\n net/lwip/dhcp.c | 6 +++---\n net/lwip/net-lwip.c | 6 +++---\n 3 files changed, 7 insertions(+), 7 deletions(-)\n---\nbase-commit: c05dba22f1f2b0b2655ee3971644acf1936cd07a\nchange-id: 20260109-tftp_fix-3ab9bd66a6ad\n\nBest regards," }