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| author | Andrew Perepechko <andrew.perepechko@sun.com> | 2008-04-28 02:14:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-28 08:58:32 -0700 |
| commit | 338bf9afda91ec005a1e9a0de4af0271cc167d56 (patch) | |
| tree | e60edf0441efbe8215cdeb08bf05c1b6afff58a1 /fs/quota_v1.c | |
| parent | 3b0cb4caefeca6fe6b05c6c5a76e9c633b44c58f (diff) | |
| download | linux-338bf9afda91ec005a1e9a0de4af0271cc167d56.tar.bz2 | |
quota: do not allow setting of quota limits to too high values
We should check whether quota limits set via Q_SETQUOTA are not exceeding
limits which quota format is able to handle.
Signed-off-by: Andrew Perepechko <andrew.perepechko@sun.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/quota_v1.c')
| -rw-r--r-- | fs/quota_v1.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/quota_v1.c b/fs/quota_v1.c index f3841f233069..a6cf9269105c 100644 --- a/fs/quota_v1.c +++ b/fs/quota_v1.c @@ -139,6 +139,9 @@ static int v1_read_file_info(struct super_block *sb, int type) goto out; } ret = 0; + /* limits are stored as unsigned 32-bit data */ + dqopt->info[type].dqi_maxblimit = 0xffffffff; + dqopt->info[type].dqi_maxilimit = 0xffffffff; dqopt->info[type].dqi_igrace = dqblk.dqb_itime ? dqblk.dqb_itime : MAX_IQ_TIME; dqopt->info[type].dqi_bgrace = dqblk.dqb_btime ? dqblk.dqb_btime : MAX_DQ_TIME; out: |