# HG changeset patch # User Bram Moolenaar # Date 1633866304 -7200 # Node ID 79a5c8238a5d1dbcb3d7aec72ea847e293faec82 # Parent 52792b298baf11be8aea3a80333b4dc3bc6da1b7 patch 8.2.3492: crash when pasting too many times Commit: https://github.com/vim/vim/commit/eeed1c7ae090c17f4df51cf97b2a9e4d8b4f4dc7 Author: Bram Moolenaar Date: Sun Oct 10 12:35:17 2021 +0100 patch 8.2.3492: crash when pasting too many times Problem: Crash when pasting too many times. Solution: Limit the size to what fits in an int. (closes https://github.com/vim/vim/issues/8962) diff --git a/src/errors.h b/src/errors.h --- a/src/errors.h +++ b/src/errors.h @@ -664,3 +664,5 @@ EXTERN char e_blob_required_for_argument INIT(= N_("E1238: Blob required for argument %d")); EXTERN char e_invalid_value_for_blob_nr[] INIT(= N_("E1239: Invalid value for blob: %d")); +EXTERN char e_resulting_text_too_long[] + INIT(= N_("E1240: Resulting text too long")); diff --git a/src/register.c b/src/register.c --- a/src/register.c +++ b/src/register.c @@ -2011,8 +2011,15 @@ do_put( } do { - totlen = count * yanklen; - if (totlen > 0) + long multlen = count * yanklen; + + totlen = multlen; + if (totlen != multlen) + { + emsg(_(e_resulting_text_too_long)); + break; + } + else if (totlen > 0) { oldp = ml_get(lnum); if (lnum > start_lnum) diff --git a/src/testdir/test_put.vim b/src/testdir/test_put.vim --- a/src/testdir/test_put.vim +++ b/src/testdir/test_put.vim @@ -134,4 +134,12 @@ func Test_gp_with_count_leaves_cursor_at bwipe! endfunc +func Test_very_larg_count() + new + let @" = 'x' + call assert_fails('norm 44444444444444p', 'E1240:') + bwipe! +endfunc + + " vim: shiftwidth=2 sts=2 expandtab diff --git a/src/version.c b/src/version.c --- a/src/version.c +++ b/src/version.c @@ -758,6 +758,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ /**/ + 3492, +/**/ 3491, /**/ 3490,