Re: [LKP] ab9ee8e38b [ 22.890412] WARNING: CPU: 0 PID: 632 at mm/usercopy.c:81 usercopy_warn
From: Kees Cook <hidden>
Date: 2018-08-20 05:32:11
Also in:
linux-sctp, lkml, oe-lkp
On Sun, Aug 19, 2018 at 5:52 PM, kernel test robot [off-list ref] wrote:
[ 22.855033] Bad or missing usercopy whitelist? Kernel memory overwrite attempt detected to SLUB object 'SCTP' (offset 1332, size 4)!
For this .config, pahole reports 1332 as the offset of the whitelist, so I'm not sure what's happening here. It's as if no whitelist was used when building the cache? I'm still trying to build a reproducers... -Kees -- Kees Cook Pixel Security