On Thu, Dec 15, 2022 at 08:11:06AM +0100, Thorsten Leemhuis wrote: > [Note: this mail contains only information for Linux kernel regression > tracking. Mails like these contain '#forregzbot' in the subject to make > then easy to spot and filter out. The author also tried to remove most > or all individuals from the list of recipients to spare them the hassle.] > > On 08.12.22 15:53, Thorsten Leemhuis wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=216785 : > > > >> Alexandre Pereira 2022-12-07 18:51:55 UTC > >> > >> Testing linux kernel 6.1-rc8, I have several kernel erros regarding bcache. > >> > >> For context, I have a bcache configuration that is working without issues on 6.0.x and previous versions. > >> > >> The errors: > >> > >> dez 07 18:33:45 stormtrooper kernel: ------------[ cut here ]------------ > >> dez 07 18:33:45 stormtrooper kernel: memcpy: detected field-spanning write (size 264) of single field "&i->j" at drivers/md/bcache/journal.c:152 (size 240) > > #regzbot inconclusive: stop tracking field-spanning write warnings, they > come from a new security feature > > https://lore.kernel.org/all/20210727205855.411487-1-keescook@xxxxxxxxxxxx/ > > Tracking them would cost time I better spend on more important things > for now FWIW, I'd find it handy to see these. I've been trying to track and fix them. To that end, I've just sent out the following patches: https://lore.kernel.org/lkml/20230106045327.never.413-kees@xxxxxxxxxx/ https://lore.kernel.org/lkml/20230106053153.never.999-kees@xxxxxxxxxx/ https://lore.kernel.org/lkml/20230106060229.never.047-kees@xxxxxxxxxx/ https://lore.kernel.org/lkml/20230106061659.never.817-kees@xxxxxxxxxx/ Thanks! -Kees -- Kees Cook
