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Mon, 2 Jun 2025 15:53:22 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 0v4bD/LIPWhIBQAAD6G6ig (envelope-from ); Mon, 02 Jun 2025 15:53:22 +0000 From: Daniel Vacek To: Chris Mason , Josef Bacik , David Sterba , Nick Terrell Cc: linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Vacek Subject: [PATCH v3 0/2] btrfs: harden parsing of compress mount options Date: Mon, 2 Jun 2025 17:53:17 +0200 Message-ID: <20250602155320.1854888-1-neelx@suse.com> X-Mailer: git-send-email 2.47.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_SEVEN(0.00)[7]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo]; RCVD_TLS_ALL(0.00)[] X-Spam-Level: X-Spam-Flag: NO X-Spam-Score: -2.80 This series hardens the compress mount option parsing. --- v3 changes: Split into two patches to ease backporting, no functional changes. v2: Drop useless check for comma and split compress options into a separate helper function Daniel Vacek (2): btrfs: factor out compress mount options parsing btrfs: harden parsing of compress mount options fs/btrfs/super.c | 112 ++++++++++++++++++++++++++++------------------- 1 file changed, 66 insertions(+), 46 deletions(-) -- 2.47.2