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| author | Kazuya Mio <k-mio@sx.jp.nec.com> | 2011-04-18 20:11:39 +0000 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-05-31 20:07:38 -0400 |
| commit | 2972b1637654e0c6ca0d7201384331dc250b2dc8 (patch) | |
| tree | ae72961ce63a86b22f180e092187ddaccf0891aa /misc | |
| parent | b1503c446a9cd3041c94945df7a9772e812dbd21 (diff) | |
| download | e2fsprogs-2972b1637654e0c6ca0d7201384331dc250b2dc8.tar.gz | |
tune2fs: Fix overflow of interval check
Add the check of maximum check interval.
s_checkinterval is 32bit variable, so it cannot be set more than 2^32.
Signed-off-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/tune2fs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/misc/tune2fs.c b/misc/tune2fs.c index 9d2b12cc..7d5c092b 100644 --- a/misc/tune2fs.c +++ b/misc/tune2fs.c @@ -1701,6 +1701,12 @@ retry_open: printf(_("Setting reserved blocks gid to %lu\n"), resgid); } if (i_flag) { + if (interval >= (1ULL << 32)) { + com_err(program_name, 0, + _("interval between checks is too big (%lu)"), + interval); + exit(1); + } sb->s_checkinterval = interval; ext2fs_mark_super_dirty(fs); printf(_("Setting interval between checks to %lu seconds\n"), |