Stefan Beller <sbeller@xxxxxxxxxx> writes: >> I'd be more worried about segfault we seem to be getting only on >> Windows from this: >> >> git -C parent grep -e "(1|2)d(3|4)" --recurse-submodules HEAD^ > actual >> >> in https://travis-ci.org/git/git/jobs/254654195 by the way. > > Thanks for bringing that to my attention, (I do not follow the travis builds > as closely, as there is no yelling email in my inbox). > > Windows builds on travis seem to be flaky. > (sometimes they do not start), but there are also > successful builds, including the -rc0, which may indicate > bw/grep-recurse-submodules may be faulty on Windows. I can get valgrind complaints locally from $ cd t && sh t7814-grep*.sh --valgrind -i -v so this may not be Windows only. Can repo_worktree_path() return a NULL in repo_read_gitmodules() to cause git_config_from_file() barf on a NULL gitmodule_path? ==20383== Syscall param open(filename) points to unaddressable byte(s) ==20383== at 0x5153140: __open_nocancel (/build/eglibc-SvCtMH/eglibc-2.19/io/../sysdeps/unix/syscall-template.S:81) ==20383== by 0x50DDED7: _IO_file_fopen@@GLIBC_2.2.5 (/build/eglibc-SvCtMH/eglibc-2.19/libio/fileops.c:228) ==20383== by 0x50D23D3: __fopen_internal (/build/eglibc-SvCtMH/eglibc-2.19/libio/iofopen.c:90) ==20383== by 0x569107: git_fopen (/home/gitster/git.git/compat/fopen.c:22) ==20383== by 0x55B1ED: fopen_or_warn (/home/gitster/git.git/wrapper.c:439) ==20383== by 0x4A2A32: git_config_from_file (/home/gitster/git.git/config.c:1442) ==20383== by 0x540317: repo_read_gitmodules (/home/gitster/git.git/submodule.c:269) ==20383== by 0x434389: grep_submodule (/home/gitster/git.git/builtin/grep.c:422) ==20383== by 0x4348C8: grep_tree (/home/gitster/git.git/builtin/grep.c:580) ==20383== by 0x434867: grep_tree (/home/gitster/git.git/builtin/grep.c:576) ==20383== by 0x436034: cmd_grep (/home/gitster/git.git/builtin/grep.c:622) ==20383== by 0x4063DC: handle_builtin (/home/gitster/git.git/git.c:330) ==20383== Address 0x0 is not stack'd, malloc'd or (recently) free'd