Description: out-of-bound access in ext4_get_group_info() when mounting and operating a crafted ext4 image
References:
 https://bugzilla.kernel.org/show_bug.cgi?id=200015
 https://patchwork.ozlabs.org/patch/929792/
Notes:
Bugs:
upstream: released (4.18-rc4) [6e8ab72a812396996035a37e5ca4b3b99b5d214b]
4.9-upstream-stable: released (4.9.112) [a5e063d348bd2ef14fff96b129749409a8991ea5]
3.16-upstream-stable: released (3.16.58) [ext4-clear-i_data-in-ext4_inode_info-when-removing-inline-data.patch]
sid: released (4.17.3-1) [bugfix/all/ext4-clear-i_data-in-ext4_inode_info-when-removing-i.patch]
4.9-stretch-security: released (4.9.110-1) [bugfix/all/ext4-clear-i_data-in-ext4_inode_info-when-removing-i.patch]
3.16-jessie-security: released (3.16.59-1)