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(parent: dd9bcb2) | patch
ext4: fix fencepost in s_first_meta_bg validation
authorTheodore Ts'o <tytso@mit.edu>
Wed, 15 Feb 2017 06:26:39 +0000 (01:26 -0500)
committerBen Hutchings <ben@decadent.org.uk>
Sun, 26 Nov 2017 13:51:10 +0000 (13:51 +0000)
commitc570bbb1d40059d70f32b43619f52cc121329337
tree85fad7bb4e267b2122fb3a9a40d1312e69ea3e11tree | snapshot
parentdd9bcb2452b4646dd7548ed503bce0c4eb76a4e4commit | diff
ext4: fix fencepost in s_first_meta_bg validation

commit 2ba3e6e8afc9b6188b471f27cf2b5e3cf34e7af2 upstream.

It is OK for s_first_meta_bg to be equal to the number of block group
descriptor blocks.  (It rarely happens, but it shouldn't cause any
problems.)

https://bugzilla.kernel.org/show_bug.cgi?id=194567

Fixes: 3a4b77cd47bb837b8557595ec7425f281f2ca1fe
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
fs/ext4/super.c diff | blob | history
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