Blame SOURCES/0001-patch-8.2.4215-illegal-memory-access-when-copying-li.patch
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diff -up vim80/src/ex_cmds.c.cve0361 vim80/src/ex_cmds.c
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--- vim80/src/ex_cmds.c.cve0361 2022-02-08 12:20:51.277666290 +0100
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+++ vim80/src/ex_cmds.c 2022-02-08 12:20:51.280666209 +0100
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@@ -983,6 +983,8 @@ ex_copy(linenr_T line1, linenr_T line2,
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}
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appended_lines_mark(n, count);
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+ if (VIsual_active)
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+ check_pos(curbuf, &VIsual);
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msgmore((long)count);
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}
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diff -up vim80/src/testdir/test_visual.vim.cve0361 vim80/src/testdir/test_visual.vim
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--- vim80/src/testdir/test_visual.vim.cve0361 2022-02-08 12:20:51.280666209 +0100
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+++ vim80/src/testdir/test_visual.vim 2022-02-08 12:21:44.530356814 +0100
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@@ -263,3 +263,17 @@ func Test_visual_block_append_invalid_ch
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call assert_equal([' - let xxx', 'xxxxx -', 'xxxxxxxx-xxx'], getline(1, 3))
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bwipe!
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endfunc
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+
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+" this was leaving the end of the Visual area beyond the end of a line
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+func Test_visual_ex_copy_line()
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+ new
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+ call setline(1, ["aaa", "bbbbbbbbbxbb"])
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+ /x
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+ exe "normal ggvjfxO"
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+ t0
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+ normal gNU
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+ bwipe!
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+endfunc
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+
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+
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+" vim: shiftwidth=2 sts=2 expandtab
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