[Bug 204049] [xfstests generic/388]: XFS: Assertion failed: ip->i_d.di_format != XFS_DINODE_FMT_BTREE || ip->i_d.di_nextents > XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK), file: fs/xfs/xfs_inode.c, line: 3646

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=204049

--- Comment #6 from billodo@redhat.com ---
On Fri, Jul 19, 2019 at 09:29:04PM +0000, bugzilla-daemon@bugzilla.kernel.org
wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=204049
> 
> --- Comment #5 from Luis Chamberlain (mcgrof@kernel.org) ---
> (In reply to Luis Chamberlain from comment #4)
> > The crash observed on stable kernels can be fixed with commit 6958d11f77
> > ("xfs: don't trip over uninitialized buffer on extent read of corrupted
> > inode") merged on v5.1.
> > 
> > I can't reproduce the immediate panic on v5.1 with the
> > "xfs_reflink_normapbt" anymore, as such I believe this seems like a
> > regression, and you should be able to bisect to v5.1 as the good kernel.
> 
> Correction, it just took longer to crash. Same crash as in kz#204223 [0] on
> v5.1. That issue is still not fixed.

In my experience,
many iterations of g/388 will definitely ferret out elusive failures.
It's sometimes tough to distinguish between real problems and abheritions.

-Bill


> 
> [0] https://bugzilla.kernel.org/show_bug.cgi?id=204223
> 
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