40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
diff -up vim82/src/charset.c.cve4193 vim82/src/charset.c
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--- vim82/src/charset.c.cve4193 2021-03-22 10:02:42.000000000 +0100
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+++ vim82/src/charset.c 2022-01-13 10:14:55.634913386 +0100
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@@ -1232,10 +1232,15 @@ getvcol(
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posptr = NULL; // continue until the NUL
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else
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{
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- // Special check for an empty line, which can happen on exit, when
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- // ml_get_buf() always returns an empty string.
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- if (*ptr == NUL)
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- pos->col = 0;
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+ colnr_T i;
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+
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+ // In a few cases the position can be beyond the end of the line.
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+ for (i = 0; i < pos->col; ++i)
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+ if (ptr[i] == NUL)
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+ {
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+ pos->col = i;
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+ break;
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+ }
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posptr = ptr + pos->col;
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if (has_mbyte)
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// always start on the first byte
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diff -up vim82/src/testdir/test_regexp_latin.vim.cve4193 vim82/src/testdir/test_regexp_latin.vim
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--- vim82/src/testdir/test_regexp_latin.vim.cve4193 2022-01-13 10:14:55.634913386 +0100
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+++ vim82/src/testdir/test_regexp_latin.vim 2022-01-13 10:17:01.905292715 +0100
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@@ -938,4 +938,12 @@ func Test_regexp_last_subst_string()
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close!
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endfunc
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+func Test_using_invalid_visual_position()
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+ " this was going beyond the end of the line
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+ new
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+ exe "norm 0o000\<Esc>0\<C-V>$s0"
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+ /\%V
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+ bwipe!
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+endfunc
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+
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" vim: shiftwidth=2 sts=2 expandtab
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