Re: [PATCH v3] bpf: core: fix shift-out-of-bounds in ___bpf_prog_run
From: Greg KH <gregkh@linuxfoundation.org>
Date: 2021-06-03 04:43:45
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linux-kernel-mentees, lkml, netdev
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 :( thanks, greg k-h