diff options
Diffstat (limited to 'src/nvim/ex_cmds.c')
| -rw-r--r-- | src/nvim/ex_cmds.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c index a0618ce7d7..4f6b8f2c8f 100644 --- a/src/nvim/ex_cmds.c +++ b/src/nvim/ex_cmds.c @@ -3888,6 +3888,10 @@ static int do_sub(exarg_T *eap, const proftime_T timeout, const long cmdpreview_ nmatch = curbuf->b_ml.ml_line_count - sub_firstlnum + 1; current_match.end.lnum = sub_firstlnum + (linenr_T)nmatch; skip_match = true; + // safety check + if (nmatch < 0) { + goto skip; + } } // Save the line numbers for the preview buffer |