diff --git a/src/move.c b/src/move.c index ce06dc3394689..fbb352a32e15a 100644 --- a/src/move.c +++ b/src/move.c @@ -45,8 +45,9 @@ adjust_plines_for_skipcol(win_T *wp) return 0; int width = wp->w_width - win_col_off(wp); - if (wp->w_skipcol >= width) - return (wp->w_skipcol - width) / (width + win_col_off2(wp)) + 1; + int w2 = width + win_col_off2(wp); + if (wp->w_skipcol >= width && w2 > 0) + return (wp->w_skipcol - width) / w2 + 1; return 0; } diff --git a/src/testdir/test_scroll_opt.vim b/src/testdir/test_scroll_opt.vim index d5d08a24c20d4..342d382c20a5a 100644 --- a/src/testdir/test_scroll_opt.vim +++ b/src/testdir/test_scroll_opt.vim @@ -926,4 +926,23 @@ func Test_smoothscroll_cursor_top() call StopVimInTerminal(buf) endfunc +" Division by zero, shouldn't crash +func Test_smoothscroll_crash() + CheckScreendump + + let lines =<< trim END + 20 new + vsp + put =repeat('aaaa', 20) + set nu fdc=1 smoothscroll cpo+=n + vert resize 0 + exe "norm! 0\" + END + call writefile(lines, 'XSmoothScrollCrash', 'D') + let buf = RunVimInTerminal('-u NONE -S XSmoothScrollCrash', #{rows: 12, cols:40}) + call term_sendkeys(buf, "2\\") + + call StopVimInTerminal(buf) +endfunc + " vim: shiftwidth=2 sts=2 expandtab diff --git a/src/version.c b/src/version.c index ec021985f2580..684f3acf4c0f5 100644 --- a/src/version.c +++ b/src/version.c @@ -704,6 +704,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ +/**/ + 2107, /**/ 2106, /**/