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0ddcf3a6b4
If length equals 0 then reading buf[length-1] will read before the start of the buffer. Avoid this by moving the length == 0 check up. Cc: Mark Pearson <markpearson@lenovo.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20210609151752.156902-2-hdegoede@redhat.com |
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