diff options
| -rw-r--r-- | src/nvim/normal.c | 4 | ||||
| -rw-r--r-- | test/old/testdir/test_normal.vim | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/nvim/normal.c b/src/nvim/normal.c index f0f3d35468..a68d1098e5 100644 --- a/src/nvim/normal.c +++ b/src/nvim/normal.c @@ -2695,6 +2695,10 @@ static bool nv_z_get_count(cmdarg_T *cap, int *nchar_arg) if (nchar == K_DEL || nchar == K_KDEL) { n /= 10; } else if (ascii_isdigit(nchar)) { + if (n > INT_MAX / 10) { + clearopbeep(cap->oap); + break; + } n = n * 10 + (nchar - '0'); } else if (nchar == CAR) { win_setheight(n); diff --git a/test/old/testdir/test_normal.vim b/test/old/testdir/test_normal.vim index f5ef2cc4ca..6a8c15bd48 100644 --- a/test/old/testdir/test_normal.vim +++ b/test/old/testdir/test_normal.vim @@ -4164,4 +4164,9 @@ func Test_normal33_g_cmd_nonblank() bw! endfunc +func Test_normal34_zet_large() + " shouldn't cause overflow + norm! z9765405999999999999 +endfunc + " vim: shiftwidth=2 sts=2 expandtab |