Thank you for filling out a Git bug report! Please answer the following questions to help us understand your issue. What did you do before the bug happened? (Steps to reproduce your issue) input: cd '/'; cd '/'; rm --force --recursive -- './test_git'; mkdir "$_"; cd "$_"; cat >'./config.txt' <<'EOF' [section] key #key = key = value1 key = value2 key = value3 key = value4 EOF git config set --file './config.txt' --value='[2]' --fixed-value 'section.key' 'value6' output: Segmentation fault $?: 139 What did you expect to happen? (Expected behavior) './config.txt' has 'key = value6' appended to its end What happened instead? (Actual behavior) output: Segmentation fault $?: 139 What's different between what you expected and what actually happened? Anything else you want to add: Please review the rest of the bug report below. You can delete any lines you don't wish to share. [System Info] git version: git version 2.46.0.windows.1 cpu: x86_64 built from commit: 2e6a859ffc0471f60f79c1256f766042b0d5d17d sizeof-long: 4 sizeof-size_t: 8 shell-path: D:/git-sdk-64-build-installers/usr/bin/sh feature: fsmonitor--daemon libcurl: 8.9.0 OpenSSL: OpenSSL 3.2.2 4 Jun 2024 zlib: 1.3.1 uname: Windows 10.0 22631 compiler info: gnuc: 14.1 libc info: no libc information available $SHELL (typically, interactive shell): C:\Program Files\Git\usr\bin\bash.exe [Enabled Hooks] not run from a git repository - no hooks to show