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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-09-22 16:43:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 07:39:27 -0700 |
| commit | ca976c53de0c33160083d36f70bd18d7970f6969 (patch) | |
| tree | efd3abdc12b0c636a4dba94dbcab4bafc78423b8 /fs/smbfs | |
| parent | fa081b00a80ef3f4575c99af6e97d29e1628cf51 (diff) | |
| download | linux-ca976c53de0c33160083d36f70bd18d7970f6969.tar.gz linux-ca976c53de0c33160083d36f70bd18d7970f6969.tar.bz2 linux-ca976c53de0c33160083d36f70bd18d7970f6969.zip | |
smbfs: read buffer overflow
This function uses signed integers for the unix_date and local variables -
if a negative number is supplied and the leap-year condition is not met,
month will be 0, leading to a read of day_n[-1]
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/smbfs')
| -rw-r--r-- | fs/smbfs/proc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/smbfs/proc.c b/fs/smbfs/proc.c index 9468168b9af5..71c29b6670b4 100644 --- a/fs/smbfs/proc.c +++ b/fs/smbfs/proc.c @@ -509,7 +509,7 @@ date_unix2dos(struct smb_sb_info *server, month = 2; } else { nl_day = (year & 3) || day <= 59 ? day : day - 1; - for (month = 0; month < 12; month++) + for (month = 1; month < 12; month++) if (day_n[month] > nl_day) break; } |