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* commands/cat.c (grub_cmd_cat): Fix buffer overrun if '\r' is the

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last character in the buffer.
Reported by: Vladimir Serbinenko.
This commit is contained in:
Colin Watson 2010-06-29 16:15:46 +01:00
parent dccaf99d10
commit 1ba9b88946
2 changed files with 7 additions and 1 deletions
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2
commands/cat.c
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@ -63,7 +63,7 @@ grub_cmd_cat (grub_extcmd_t cmd, int argc, char **args)
if ((grub_isprint (c) || grub_isspace (c)) && c != '\r')
grub_putchar (c);
else if (dos && c == '\r' && buf[i + 1] == '\n')
else if (dos && c == '\r' && i + 1 < size && buf[i + 1] == '\n')
{
grub_putchar ('\n');
i++;