Hi. Le mardi 8 novembre 2022, 22:05:51 CET Andrew Morton a écrit : > On Tue, 8 Nov 2022 20:52:06 +0100 Francis Laniel <flaniel@xxxxxxxxxxxxxxxxxxx> wrote: > > From: Alban Crequy <albancrequy@xxxxxxxxxxxxx> > > > > If a page fault occurs while copying the first byte, this function resets > > one byte before dst. > > As a consequence, an address could be modified and leaded to kernel > > crashes if case the modified address was accessed later. > > > > Signed-off-by: Alban Crequy <albancrequy@xxxxxxxxxxxxx> > > Tested-by: Francis Laniel <flaniel@xxxxxxxxxxxxxxxxxxx> > > Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > > Please merge via the bpf tree. > > This looks potentially nasty. Fortunately only tracing code uses it, > but I'm thinking it should have cc:stable and a Fixes:? Thank you for the review! Sorry, I thought to add stable list but forgot to add it when sending the series... I will sent a v2 with your review and without rfc tag to, among others, stable.
