Max Kellermann <max.kellermann@xxxxxxxxx> wrote:
> When checking whether the edges of adjacent subrequests touch, the
> `prev` variable is deferenced, but it might not have been initialized.
> This causes crashes like this one:
>
> BUG: unable to handle page fault for address: 0000000181343843
> ...
>
> Fixes: ee4cdf7ba857 ("netfs: Speed up buffered reading")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx>
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
