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patch 8.2.2374: accessing uninitialized memory in test_undo

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Problem:    Accessing uninitialized memory in test_undo.
Solution:   Do not look in typebuf.tb_buf if it is empty. (Dominique Pellé,
            closes #7697)
This commit is contained in:
Bram Moolenaar 2021-01-17 22:04:02 +01:00
parent f30a14db3b
commit 82aa6e09e0
2 changed files with 3 additions and 1 deletions
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2
src/edit.c
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@ -1586,7 +1586,7 @@ decodeModifyOtherKeys(int c)
// Recognize: // Recognize:
// form 0: {lead}{key};{modifier}u // form 0: {lead}{key};{modifier}u
// form 1: {lead}27;{modifier};{key}~ // form 1: {lead}27;{modifier};{key}~
if ((c == CSI || (c == ESC && *p == '[')) && typebuf.tb_len >= 4) if (typebuf.tb_len >= 4 && (c == CSI || (c == ESC && *p == '[')))
{ {
idx = (*p == '['); idx = (*p == '[');
if (p[idx] == '2' && p[idx + 1] == '7' && p[idx + 2] == ';') if (p[idx] == '2' && p[idx + 1] == '7' && p[idx + 2] == ';')

2
src/version.c
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@ -750,6 +750,8 @@ static char *(features[]) =
static int included_patches[] = static int included_patches[] =
{ /* Add new patch number below this line */ { /* Add new patch number below this line */
/**/
2374,
/**/ /**/
2373, 2373,
/**/ /**/