On Thu, Jun 30, 2016 at 08:49:34AM -0400, Brian Foster wrote: > XFS has a bug where directory readahead completions can occur after > unmount. This can lead to a crash or panic because metadata read > verification attempts to access core XFS data structures (e.g., the log) > after they have been freed and certain pointers have been reset. > > Add a test that triggers directory readahead, delays the readahead I/O > and immediately unmounts the filesystem. This test is part of the > dangerous group as it will cause kernels affected by the bug to crash. > > Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx> It crashed my 4.7-rc5 kernel quickly. Reviewed-by: Eryu Guan <eguan@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe fstests" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
