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Kumar" , Maxime Ripard , Michael Ellerman , Shuah Khan , Wei Liu References: <20240710103352.1890726-1-make24@iscas.ac.cn> Subject: Re: [v2] cxl: Fix possible null pointer dereference in read_handle() Content-Language: en-GB From: Markus Elfring In-Reply-To: <20240710103352.1890726-1-make24@iscas.ac.cn> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:ySccpis36z6zCEn3Lvza8Bcw69K9CLTO951Rfrr+vzx9/WjUznR uBGLzfKx31PWoZiRB7dopUjsxoO0LOxfLLn4qYbLDy1tjwFRFR18KxbDMxFvi5MN48BHBPQ miagwSx+EDmvQYcvoizxkyvQjC5+j5OC437GHMMocZo4AYMnYa8QXKcpxrrhdIXySYhjuF5 a0sHalsGI2NtM8CUfLAHA== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:QlxgUnxO+Gg=;x1/tJ3UEsXUlj19rmtzQQ0Bu+/G YIcvK+OTSSc01X209tkGyk5j8jwQlXZ32ANqTTIePu5iRihf4ut5PA3mR7P+FWxVwabR4HXzQ 17Wscigeq99PSTCarfj4XqQ/Z8C4YRVLrBSDK5+9Fjd7HL8o9JSxFdluCYO0wT3lVPYH/BQca uf0lZpBzQjqf5cybjn2CSqA8HZHEBxhOTAx+gNqI5PWoEjsrMdAp4voUezMcf23rHXn181CM3 Z1Emz5epnsZfAegPh3EQUeAS7Q0CkLrLfa2aADvyltNUTxIF4EArIC2ssrICGKEXBDCLBruPv eQvNRztTrwHhiAmdJpA3fqnpshh2+yl9eqbM+UqUgy/vqKrGmI34iAhz7yTy0Mkew6JOqclvo lMuHgPYa1nsnyuifDQr7bWVlAIHcWrgaaJzRdpfBpLmI/Nwqtoc68LHCAf75ozIpiIFauqz/6 VL2SewEm9CM7hgs0Hclh2ddtfgyBFbPRXf35itDLjcKS2qO90FuDCW6Oe3qm5T/fwd3Q6nUPd n8smSTA6h59vpOccMJekDgxsO222HBG+DEF4h5m6d7RnpzqMUma5y+s7Vp5kQhqCN+lgjGjMg vt4YTnfgcRcw1NgAp2t/1e6ydafGPLJFtOgBaGiL4ZsxT5uVLqZu6KiFdEqyGwPjYdtS+yHlF uMmnbU+hIUH4YEpBswED5dCiHnRdhF4ojLT24KlMkbxnW4IhwneZ/FrRq4xN1sfeMJYhSraVe 381f0ddaMdKzSNPHJuakGeAS+cKIOG4qq3W+LUulGRiCCfa8W+poZUgL3P/Cx+SXWb+ogIAa6 IPsjOQ09tJ/I3rEl8xtJsHkg== =E2=80=A6 > - The potential vulnerability was discovered as follows: based on our > customized static analysis tool, I became curious in which time range further corresponding information wil= l be published. > extract vulnerability features[1], Various software corrections were published through the years. Several error (or weakness) categories are known already. https://cwe.mitre.org/ https://wiki.sei.cmu.edu/confluence/display/c/ > and then match similar vulnerability features in this function. > - Reference link: > [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/com= mit/?id=3D2d9adecc88ab678785b581ab021f039372c324cb Another reference format can be helpful also for the commit c534b63bede6cb= 987c2946ed4d0b0013a52c5ba7 ("drm: vc4: Fix possible null pointer dereference") from 2024-04-15. Regards, Markus