diff options
| author | Christian Brabandt <cb@256bit.org> | 2023-11-14 20:05:59 +0100 |
|---|---|---|
| committer | Christian Brabandt <cb@256bit.org> | 2023-11-16 22:04:37 +0100 |
| commit | cb0b99f0672d8446585d26e998343dceca17d1ce (patch) | |
| tree | 3cba6fe840cd98102776409e60a69ae0a24246aa /src/testdir | |
| parent | 25aabc2b8ee1e19ced6f4da9d866cf9378fc4c5a (diff) | |
patch 9.0.2107: [security]: FPE in adjust_plines_for_skipcolv9.0.2107
Problem: [security]: FPE in adjust_plines_for_skipcol
Solution: don't divide by zero, return zero
Prevent a floating point exception when calculating w_skipcol (which can
happen with a small window when the number option is set and cpo+=n).
Add a test to verify
Signed-off-by: Christian Brabandt <cb@256bit.org>
Diffstat (limited to 'src/testdir')
| -rw-r--r-- | src/testdir/test_scroll_opt.vim | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/testdir/test_scroll_opt.vim b/src/testdir/test_scroll_opt.vim index d5d08a24c2..342d382c20 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\<c-e>" + END + call writefile(lines, 'XSmoothScrollCrash', 'D') + let buf = RunVimInTerminal('-u NONE -S XSmoothScrollCrash', #{rows: 12, cols:40}) + call term_sendkeys(buf, "2\<C-E>\<C-L>") + + call StopVimInTerminal(buf) +endfunc + " vim: shiftwidth=2 sts=2 expandtab |