Message ID | 20220819032615.884847-6-richard.henderson@linaro.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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([2602:47:d49d:ec01:bbf3:9914:aa9c:3b4e]) by smtp.gmail.com with ESMTPSA id g184-20020a6252c1000000b00535d19c46d7sm2199904pfb.203.2022.08.18.20.26.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Aug 2022 20:26:21 -0700 (PDT) From: Richard Henderson <richard.henderson@linaro.org> To: qemu-devel@nongnu.org Cc: laurent@vivier.eu, iii@linux.ibm.com, dramforever@live.com, alistair.francis@wdc.com, alex.bennee@linaro.org Subject: [PATCH v6 05/21] linux-user: Clear translations and tb_jmp_cache on mprotect() Date: Thu, 18 Aug 2022 20:25:59 -0700 Message-Id: <20220819032615.884847-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220819032615.884847-1-richard.henderson@linaro.org> References: <20220819032615.884847-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x629.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org> |
Series |
linux-user: Fix siginfo_t contents when jumping to non-readable pages
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expand
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diff --git a/linux-user/mmap.c b/linux-user/mmap.c index 048c4135af..e9dc8848be 100644 --- a/linux-user/mmap.c +++ b/linux-user/mmap.c @@ -115,6 +115,7 @@ int target_mprotect(abi_ulong start, abi_ulong len, int target_prot) { abi_ulong end, host_start, host_end, addr; int prot1, ret, page_flags, host_prot; + CPUState *cpu; trace_target_mprotect(start, len, target_prot); @@ -177,7 +178,14 @@ int target_mprotect(abi_ulong start, abi_ulong len, int target_prot) goto error; } } + page_set_flags(start, start + len, page_flags); + tb_invalidate_phys_range(start, start + len); + + CPU_FOREACH(cpu) { + cpu_tb_jmp_cache_clear(cpu); + } + mmap_unlock(); return 0; error: