[Bug 194695] size overflow detected in function ext4_mb_new_group_pa

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

https://bugzilla.kernel.org/show_bug.cgi?id=194695

Andreas Dilger (adilger.kernelbugzilla@xxxxxxxxx) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |adilger.kernelbugzilla@dilg
                   |                            |er.ca

--- Comment #1 from Andreas Dilger (adilger.kernelbugzilla@xxxxxxxxx) ---
Definitely looks like a real bug in:

        pa->pa_pstart = ext4_grp_offs_to_block(sb, &ac->ac_b_ex);
        pa->pa_lstart = pa->pa_pstart;

pa_pstart is 64-bit, pa_lstart is 32-bit.

-- 
You are receiving this mail because:
You are watching the assignee of the bug.