Re: [PATCH 5/7] signal: Add unsafe_copy_siginfo_to_user()
From: Christoph Hellwig <hch@infradead.org>
Date: 2021-06-15 06:53:10
Also in:
linux-arch, lkml
On Tue, Jun 15, 2021 at 06:41:01AM +0000, Christophe Leroy wrote:
+ unsafe_copy_to_user(__ucs_to, __ucs_from, \ + sizeof(struct kernel_siginfo), label); \ + unsafe_clear_user(__ucs_expansion, SI_EXPANSION_SIZE, label); \ +} while (0)
unsafe_clear_user does not exist at this point, and even your later patch only adds it for powerpc.