Add files via upload - #17
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Signed-off-by: joyfaker <joyfakerauth@gmail.com>
AI代码审查报告变更概览本次 PR 涉及 16 个文件，新增 +998 行，删除 -54 行。 功能变更摘要本 PR 为 Vim 引入了持久化撤销（Persistent Undo）功能，允许将撤销历史保存到磁盘并在重新打开文件时恢复。通过新增特性宏、 变更记录 (Changes)
问题严重级别分布
代表性问题（至多 10 条，按严重级别优先）
line 874 处调用 fread 读取哈希值未检查返回值 → line 876 处 memcmp 比较可能未完全初始… line 969 处分配 uep 后，line 970 处立即调用 vim_memset 初始化，但 line … Powered by: 由 CodeHawk 提供支持 · nuwa 分析任务ID: PR-TASK-GITHUB-e49a10dd-b364ed50-9224-11f1-95ed-6ba0befc35a1🦅 |
📝 WalkthroughWalkthroughAdded ChangesSecurity overflow tests
Estimated code review effort: 2 (Simple) | ~10 minutes Suggested reviewers: 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 inconclusive)
✅ Passed checks (4 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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🟡 AI 代码审查发现问题
📋 问题概述
line 306 处将
ex_wundo和ex_rundo声明为static，但 line 8464 和 8474 处的函数定义缺少static关键字。C 语言标准规定，若函数先被声明为静态链接，后续定义也必须为静态，否则构成约束违规（constraint violation），将直接导致编译失败。
📍 问题详情
🟡 问题 1 | 严重程度: MEDIUM | 行号: 1-10
💬 详细说明：
- line 1 处将
ex_wundo和ex_rundo声明为static，但 line 8464 和 8474 处的函数定义缺少static关键字。C 语言标准规定，若函数先被声明为静态链接，后续定义也必须为静态，否则构成约束违规（constraint violation），将直接导致编译失败。
📝 问题代码：
void
💡 修复建议：
在 line 1 和 1 的函数定义前添加
static关键字，使其与 line 306-307 的声明保持一致。这符合 Vim 中命令处理函数通常为内部静态函数的惯例。
✅ 修复示例：
#ifdef FEAT_PERSISTENT_UNDO
static void
ex_wundo(eap)
exarg_T *eap;
{
char_u hash[UNDO_HASH_SIZE];
u_compute_hash(hash);
u_write_undo(eap->arg, eap->forceit, curbuf, hash);
}
🔗 参考链接
无
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Actionable comments posted: 1
🧹 Nitpick comments (1)
c_security_test.c (1)
23-24: 🎯 Functional Correctness | 🔵 Trivial | ⚡ Quick winMake the integer-overflow test observable.
resultis assigned and discarded. The program cannot report whether the test ran or whether it produced the expected outcome. An optimizing compiler may also remove the side-effect-free call.Define the expected overflow behavior, then print an assertion result or return a failure status.
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the rest with a brief reason, keep changes minimal, and validate. In `@c_security_test.c` around lines 23 - 24, Update the test around integer_overflow_vuln(INT_MAX, 2) to define the expected overflow result and make it observable. Validate result against that expectation, then print an assertion outcome or return a nonzero failure status while preserving a successful zero status.
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@c_security_test.c`:
- Around line 9-12: Update buffer_overflow_vuln so the intentional strcpy
vulnerability is excluded from normal test execution via a dedicated
EXCLUDE_FROM_ALL target and only exercised with controlled short inputs;
otherwise replace strcpy with bounded copying and reject inputs that do not fit
within buffer before copying.
---
Nitpick comments:
In `@c_security_test.c`:
- Around line 23-24: Update the test around integer_overflow_vuln(INT_MAX, 2) to
define the expected overflow result and make it observable. Validate result
against that expectation, then print an assertion outcome or return a nonzero
failure status while preserving a successful zero status.
🪄 Autofix
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
| void buffer_overflow_vuln(char* user_input) { | ||
| char buffer[MAX_BUFFER]; | ||
| strcpy(buffer, user_input); | ||
| } |
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🔒 Security & Privacy | 🟠 Major | ⚡ Quick win
🧩 Analysis chain
🏁 Script executed:
#!/bin/bash
# Verify that this file is isolated from production targets and uses sanitizer-based execution.
rg -n -C 3 'c_security_test\.c|buffer_overflow_vuln|integer_overflow_vuln|fsanitize|add_executable|target_sources' .Repository: joyfaker/fock_c_json
Length of output: 27213
🏁 Script executed:
#!/bin/bash
set -euo pipefail
printf 'Tracked files:\n'
git ls-files | rg '(^|/)c_security_test\.c$|(^|/)CMakeLists\.txt$|(^|/)src/modules/CMakeLists\.txt$|(^|/)cmake/test\.cmake$' || true
printf '\nsrc/modules/c_security_test.c:\n'
cat -n src/modules/c_security_test.c
printf '\nTop-level CMakeLists relevant sections:\n'
sed -n '1,240p' CMakeLists.txt
printf '\ncmake/test.cmake relevant sections:\n'
sed -n '1,180p' cmake/test.cmake
printf '\nCMake references containing c_security_test:\n'
rg -n --hidden -C 3 'c_security_test|security_test|EXCLUDE_FROM_ALL|add_test' .Repository: joyfaker/fock_c_json
Length of output: 31845
Isolate strcpy from normal test execution.
buffer has 10 bytes, but strcpy(buffer, user_input) copies all of argv[1]; a 10-byte or longer argument overwrites beyond buffer. If this fixture is intentional, keep it in a dedicated isolated EXCLUDE_FROM_ALL target and run it only with controlled short inputs. Otherwise, use a bounded-copy function and reject oversized input before copying.
🧰 Tools
🪛 ast-grep (0.45.0)
[error] 10-10: Use of an unbounded buffer function that can overflow the destination; use a size-bounded equivalent (fgets, strncpy/strlcpy, strncat/strlcat, snprintf).
Context: strcpy(buffer, user_input)
Note: [CWE-120] Buffer Copy without Checking Size of Input ('Classic Buffer Overflow').
(dangerous-buffer-functions-c)
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@c_security_test.c` around lines 9 - 12, Update buffer_overflow_vuln so the
intentional strcpy vulnerability is excluded from normal test execution via a
dedicated EXCLUDE_FROM_ALL target and only exercised with controlled short
inputs; otherwise replace strcpy with bounded copying and reject inputs that do
not fit within buffer before copying.
Source: Linters/SAST tools
1 participant
[Describe your pull request here. Please read the text below the line and make sure you follow the checklist.]
make amalgamate.Read the Contribution Guidelines for detailed information.
Summary by CodeRabbit