| commit | 5ad075c0735d3d8b97708d17c22de8facb15f997 | [log] [tgz] |
|---|---|---|
| author | Bram Moolenaar <Bram@vim.org> | Tue Nov 24 15:18:32 2015 +0100 |
| committer | Bram Moolenaar <Bram@vim.org> | Tue Nov 24 15:18:32 2015 +0100 |
| tree | cd198bf91d17a897585d489642acf39205253289 | |
| parent | 294a7e55b01149154807a23323038784549b8946 [diff] [blame] |
patch 7.4.937
Problem: Segfault reading unitialized memory.
Solution: Do not read match \z0, it does not exist. (Marius Gedminas, closes
#497)
diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c index a21c3c0..32108be 100644 --- a/src/regexp_nfa.c +++ b/src/regexp_nfa.c
@@ -6947,7 +6947,8 @@ { cleanup_zsubexpr(); re_extmatch_out = make_extmatch(); - for (i = 0; i < subs.synt.in_use; i++) + /* Loop over \z1, \z2, etc. There is no \z0. */ + for (i = 1; i < subs.synt.in_use; i++) { if (REG_MULTI) {