Looks good. Reviewed-by: Carlos Maiolino <[email protected]>
On Sun, Apr 21, 2013 at 10:57:05PM -0400, Theodore Ts'o wrote: > Addresses-Red-Hat-Bugzilla: #913245 > > Reported-by: Eric Sandeen <[email protected]> > Signed-off-by: "Theodore Ts'o" <[email protected]> > Cc: [email protected] > --- > fs/ext4/resize.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c > index 08d2312..b27c96d 100644 > --- a/fs/ext4/resize.c > +++ b/fs/ext4/resize.c > @@ -1882,6 +1882,10 @@ retry: > return 0; > > n_group = ext4_get_group_number(sb, n_blocks_count - 1); > + if (n_group > (0xFFFFFFFFUL / EXT4_INODES_PER_GROUP(sb))) { > + ext4_warning(sb, "resize would cause inodes_count overflow"); > + return -EINVAL; > + } > ext4_get_group_no_and_offset(sb, o_blocks_count - 1, &o_group, &offset); > > n_desc_blocks = num_desc_blocks(sb, n_group + 1); > -- > 1.7.12.rc0.22.gcdd159b > > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Carlos -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
