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Tue, 25 Mar 2025 12:22:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742905363; bh=pRtaUMiFeAu+95a3CJwIpLTg/ZslxDoQ016dR5ldst0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=p2sof5deaUnKxXsdbuejLa7cMfsQ/jfo9NR4yzxltIbGt9I7LGg3viUZpXT1k8RFw 9WTRwz7YQbBmvTKk30sv6fC7V/LIHte4FG9qKAIedqe9Y/ickF0YMfyR54zTwhm5BQ obpUACKtQgLFBumRgfvC3WYEeXtPc/EwoiH4j3URzIqNlAo4TJWEvolJgwku1sqkJx 7rKaKFTW+8U8evbqHZ+v5cGHZoXKojJ2sQX8sVgxL7kldYux1laci0G+UGSLEZ94Hd tb6MX1/sRkfPX52VC52FXAgkrmJ6qByYnTyzQlY4MscJzEO+hWOnTRGT/1TDXE8C38 5yNfgh3K5oAwg== From: guoren@kernel.org To: arnd@arndb.de, gregkh@linuxfoundation.org, torvalds@linux-foundation.org, paul.walmsley@sifive.com, palmer@dabbelt.com, anup@brainfault.org, atishp@atishpatra.org, oleg@redhat.com, kees@kernel.org, tglx@linutronix.de, will@kernel.org, mark.rutland@arm.com, brauner@kernel.org, akpm@linux-foundation.org, rostedt@goodmis.org, edumazet@google.com, unicorn_wang@outlook.com, inochiama@outlook.com, gaohan@iscas.ac.cn, shihua@iscas.ac.cn, jiawei@iscas.ac.cn, wuwei2016@iscas.ac.cn, drew@pdp7.com, prabhakar.mahadev-lad.rj@bp.renesas.com, ctsai390@andestech.com, wefu@redhat.com, kuba@kernel.org, pabeni@redhat.com, josef@toxicpanda.com, dsterba@suse.com, mingo@redhat.com, peterz@infradead.org, boqun.feng@gmail.com, guoren@kernel.org, xiao.w.wang@intel.com, qingfang.deng@siflower.com.cn, leobras@redhat.com, jszhang@kernel.org, conor.dooley@microchip.com, samuel.holland@sifive.com, yongxuan.wang@sifive.com, luxu.kernel@bytedance.com, david@redhat.com, ruanjinjie@huawei.com, cuiyunhui@bytedance.com, wangkefeng.wang@huawei.com, qiaozhe@iscas.ac.cn Cc: ardb@kernel.org, ast@kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-mm@kvack.org, linux-crypto@vger.kernel.org, bpf@vger.kernel.org, linux-input@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-serial@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, maple-tree@lists.infradead.org, linux-trace-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-atm-general@lists.sourceforge.net, linux-btrfs@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, linux-nfs@vger.kernel.org, linux-sctp@vger.kernel.org, linux-usb@vger.kernel.org, linux-media@vger.kernel.org Subject: [RFC PATCH V3 25/43] rv64ilp32_abi: exec: Adapt 64lp64 env and argv Date: Tue, 25 Mar 2025 08:16:06 -0400 Message-Id: <20250325121624.523258-26-guoren@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20250325121624.523258-1-guoren@kernel.org> References: <20250325121624.523258-1-guoren@kernel.org> MIME-Version: 1.0 X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: D4462100013 X-Stat-Signature: 7srx8moqgxeq4iotwge34i7z189fk4n6 X-Rspam-User: X-HE-Tag: 1742905364-955762 X-HE-Meta: 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 OY8rV8wV TMbhxc/VGm19sdIqX8RBOb6wyfZbINFP9gWxkGGBTzIruct28I1X9rTMH1LAJhO3tAixsI+ZHiQbuL6GzUBIrs94BUHrY/WlC0jiqWFkHXM3UeBNG14aZxyKgqt9mohw6h1DcaBPdvkQHA1uJwd+buTuBODkbnja3NmR6GaF1+sJh9Qd1THIuByeEaG0UvDtCrt4GJnFHhvnpDgKezNhzm8hdKoPcgrvqrj0Z3bgqrkLXdnaPjaoRcZ3GYV5oQxvpfAjjU6Pi6Pke2LFEWWwb3otE846fM3gXR3l374iDumLivcQ77uGtIY6zgZsFj1DgNTqikqTFYiZ+UOLL1rIn1zuZIgoYU7w1Qzrj X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Guo Ren (Alibaba DAMO Academy)" The rv64ilp32 abi reuses the env and argv memory layout of the lp64 abi, so leave the space to fit the lp64 struct layout. Signed-off-by: Guo Ren (Alibaba DAMO Academy) --- fs/exec.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/exec.c b/fs/exec.c index 506cd411f4ac..548d18b7ae92 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -424,6 +424,10 @@ static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr) } #endif +#if defined(CONFIG_64BIT) && (BITS_PER_LONG == 32) + nr = nr * 2; +#endif + if (get_user(native, argv.ptr.native + nr)) return ERR_PTR(-EFAULT);