tree 8240b10496dde47fe00ade4af2fee7a8554b2bd8
parent ac93c718365ac6ea9d7631641c8dec867d623491
author Theodore Ts'o <tytso@mit.edu> 1528945248 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1531319357 +0200

ext4: always check block group bounds in ext4_init_block_bitmap()

commit 819b23f1c501b17b9694325471789e6b5cc2d0d2 upstream.

Regardless of whether the flex_bg feature is set, we should always
check to make sure the bits we are setting in the block bitmap are
within the block group bounds.

https://bugzilla.kernel.org/show_bug.cgi?id=199865

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>