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Date: Tue, 02 Nov 2021 21:11:42 +1100 From: Michael Ellerman <patch-notifications@...erman.id.au> To: Michael Ellerman <mpe@...erman.id.au>, Paul Mackerras <paulus@...ba.org>, Haren Myneni <haren@...ux.ibm.com>, Nicholas Piggin <npiggin@...il.com>, "Gustavo A. R. Silva" <gustavoars@...nel.org>, Benjamin Herrenschmidt <benh@...nel.crashing.org> Cc: linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org Subject: Re: [PATCH][next] powerpc/vas: Fix potential NULL pointer dereference On Fri, 15 Oct 2021 00:03:45 -0500, Gustavo A. R. Silva wrote: > (!ptr && !ptr->foo) strikes again. :) > > The expression (!ptr && !ptr->foo) is bogus and in case ptr is NULL, > it leads to a NULL pointer dereference: ptr->foo. > > Fix this by converting && to || > > [...] Applied to powerpc/next. [1/1] powerpc/vas: Fix potential NULL pointer dereference https://git.kernel.org/powerpc/c/61cb9ac66b30374c7fd8a8b2a3c4f8f432c72e36 cheers
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