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Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  CIFS: Fix memory over bound bug in cifs_parse_mount_options
This commit is contained in:
Linus Torvalds 2011-04-25 20:38:50 -07:00
parent cd2e49e90f 4906e50b37
commit f727a938ce
1 changed files with 3 additions and 2 deletions
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5
fs/cifs/connect.c
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@ -807,8 +807,7 @@ static int
cifs_parse_mount_options(char *options, const char *devname,
struct smb_vol *vol)
{
char *value;
char *data;
char *value, *data, *end;
unsigned int temp_len, i, j;
char separator[2];
short int override_uid = -1;
@ -851,6 +850,7 @@ cifs_parse_mount_options(char *options, const char *devname,
if (!options)
return 1;
end = options + strlen(options);
if (strncmp(options, "sep=", 4) == 0) {
if (options[4] != 0) {
separator[0] = options[4];
@ -916,6 +916,7 @@ cifs_parse_mount_options(char *options, const char *devname,
the only illegal character in a password is null */
if ((value[temp_len] == 0) &&
(value + temp_len < end) &&
(value[temp_len+1] == separator[0])) {
/* reinsert comma */
value[temp_len] = separator[0];