On 08/16, Kees Cook wrote: > This adds a CONFIG to trigger BUG()s when the kernel encounters > unexpected data structure integrity as currently detected with > CONFIG_DEBUG_LIST. > > Specifically list operations have been a target for widening flaws to gain > "write anywhere" primitives for attackers, so this also consolidates the > debug checking to avoid code and check duplication (e.g. RCU list debug > was missing a check that got added to regular list debug). It also stops > manipulations when corruption is detected, since worsening the corruption > makes no sense. (Really, everyone should build with CONFIG_DEBUG_LIST > since the checks are so inexpensive.) > > This is mostly a refactoring of similar code from PaX and Grsecurity, > along with MSM kernel changes by Stephen Boyd.
Which commit in the MSM kernel from me? I wonder if perhaps you're thinking of a patch from Syed Rameez Mustafa like commit 1c014f321e6d67f47 in the msm-3.4 kernel. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project
