[PATCH v3] bpf: core: fix shift-out-of-bounds in ___bpf_prog_run

Greg KH gregkh at linuxfoundation.org
Thu Jun 3 04:43:28 UTC 2021

On Wed, Jun 02, 2021 at 09:27:26PM +0000, Kurt Manucredo wrote:
> UBSAN: shift-out-of-bounds in kernel/bpf/core.c:1414:2
> shift exponent 248 is too large for 32-bit type 'unsigned int'

I'm sorry, but I still do not understand what this changelog text means.

Please be very descriptive about what you are doing and why you are
doing it.  All that is here is a message from a random tool :(

greg k-h

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