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Fix OOB read (1 byte to the left)

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This commit is contained in:
Bram Matthys
2018-06-11 08:05:14 +02:00
parent ad63a499e1
commit 46a60ec795
1 changed files with 1 additions and 1 deletions
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src/modules/m_mode.c
+1 -1
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@@ -695,7 +695,7 @@ void make_mode_str(aChannel *chptr, long oldm, Cmode_t oldem, long oldl, int pco
chptr->mode.extmode = oldem;
}
z = strlen(para_buf);
if (para_buf[z - 1] == ' ')
if ((z > 0) && (para_buf[z - 1] == ' '))
para_buf[z - 1] = '\0';
*x = '\0';
if (*mode_buf == '\0')