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[14.202.199.226]) by smtp.gmail.com with ESMTPSA id d7-v6sm29029719pfm.23.2018.10.17.07.45.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 17 Oct 2018 07:45:45 -0700 (PDT) From: Nicholas Piggin To: skiboot@lists.ozlabs.org Date: Thu, 18 Oct 2018 00:45:33 +1000 Message-Id: <20181017144533.12571-2-npiggin@gmail.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20181017144533.12571-1-npiggin@gmail.com> References: <20181017144533.12571-1-npiggin@gmail.com> Subject: [Skiboot] [PATCH 2/2] core/device: NULL pointer dereference fix X-BeenThere: skiboot@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Mailing list for skiboot development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Skiboot" This was caught with unmapped memory dereference page faults. Signed-off-by: Nicholas Piggin --- core/device.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/core/device.c b/core/device.c index 19a8d8d6..6364a60e 100644 --- a/core/device.c +++ b/core/device.c @@ -494,7 +494,10 @@ struct dt_property *dt_add_property_string(struct dt_node *node, const char *name, const char *value) { - return dt_add_property(node, name, value, strlen(value)+1); + size_t len = 0; + if (value) + len = strlen(value) + 1; + return dt_add_property(node, name, value, len); } struct dt_property *dt_add_property_nstr(struct dt_node *node,