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[Bug 114591] xfsdump failing with kernel issues inside vm

To: xfs-masters@xxxxxxxxxxx
Subject: [Bug 114591] xfsdump failing with kernel issues inside vm
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date: Thu, 17 Mar 2016 01:52:17 +0000
Auto-submitted: auto-generated
Delivered-to: xfs-masters@xxxxxxxxxxx
In-reply-to: <bug-114591-470@xxxxxxxxxxxxxxxxxxxxxxxxx/>
References: <bug-114591-470@xxxxxxxxxxxxxxxxxxxxxxxxx/>
https://bugzilla.kernel.org/show_bug.cgi?id=114591

--- Comment #11 from nickkrause@xxxxxxxxxxxx ---
Eric,
Tell me if this makes more sense:
 error = xfs_buf_allocate_memory(new_bp, flags);
         if (error) {
                 xfs_buf_free(new_bp);
                 return NULL;
         }
Seems this could be a error if the allocation fails as the page count should be
zero. This means that calling xfs_buf_free here double unfrees the buffer's
pages.

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