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Date: Sat, 6 Apr 2019 18:35:21 -0400 From: "Theodore Ts'o" <tytso@....edu> To: Jan Kara <jack@...e.cz> Cc: linux-ext4@...r.kernel.org Subject: Re: [PATCH] ext4: Make sanity check in mballoc more strict On Thu, Mar 28, 2019 at 05:41:17PM +0100, Jan Kara wrote: > Sanity check in mb_find_extent() only checked that returned extent does > not extend past blocksize * 8, however it should not extend past > EXT4_CLUSTERS_PER_GROUP(sb). This can happen when clusters_per_group < > blocksize * 8 and the tail of the bitmap is not properly filled by 1s > which happened e.g. when ancient kernels have grown the filesystem. > > Signed-off-by: Jan Kara <jack@...e.cz> Thanks, applied. - Ted
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