From: Sascha Hauer <s.hauer@pengutronix.de>
To: BAREBOX <barebox@lists.infradead.org>
Cc: "Claude Opus 4.6 \(1M context\)" <noreply@anthropic.com>
Subject: [PATCH 0/4] tftp: fix buffer overflows
Date: Thu, 02 Apr 2026 09:21:18 +0200 [thread overview]
Message-ID: <20260402-net-tftp-buffer-overflows-v1-0-0a18aa8ea19e@pengutronix.de> (raw)
This adds more checks on incoming network data to prevent buffer
overflows.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
Sascha Hauer (4):
fs: tftp: prevent packet buffer overflow from long filenames
fs: tftp: fix OACK option parsing bounds check
fs: tftp: reject OACK with blocksize of zero
fs: tftp: use bounded format for TFTP error message debug print
fs/tftp.c | 45 +++++++++++++++++++++++++++++++++++----------
1 file changed, 35 insertions(+), 10 deletions(-)
---
base-commit: 0933e8f2ebf0d91dfcf177a4e4292b02921a53f1
change-id: 20260402-net-tftp-buffer-overflows-6b839ef57261
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
next reply other threads:[~2026-04-02 7:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-02 7:21 Sascha Hauer [this message]
2026-04-02 7:21 ` [PATCH 1/4] fs: tftp: prevent packet buffer overflow from long filenames Sascha Hauer
2026-04-02 7:21 ` [PATCH 2/4] fs: tftp: fix OACK option parsing bounds check Sascha Hauer
2026-04-02 7:21 ` [PATCH 3/4] fs: tftp: reject OACK with blocksize of zero Sascha Hauer
2026-04-02 7:21 ` [PATCH 4/4] fs: tftp: use bounded format for TFTP error message debug print Sascha Hauer
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