On Mon, May 22, 2023 at 11:24 AM Daniel Díaz <daniel.diaz@xxxxxxxxxx> wrote: > > Hello! > > Would the stable maintainers please consider backporting the following > commit to the 6.1? We are trying to build gki_defconfig (plus a few Does android's gki_defconfig fail to boot on the `android14-6.1` branch of https://android.googlesource.com/kernel/common? (i.e. downstream branch from linux stable's linux-6.1.y)? We just ran CI successfully on that branch 10 hours ago. https://github.com/ClangBuiltLinux/continuous-integration2/actions/runs/5042504560/jobs/9045030265 Do you have more information on the observed boot failure? (panic splat?) > extras) on Arm64 and test it under Qemu-arm64, but it fails to boot. > Bisection has pointed here. > > We have verified that cherry-picking this patch on top of v6.1.29 > applies cleanly and allows the kernel to boot. > > commit 12d6c1d3a2ad0c199ec57c201cdc71e8e157a232 > Author: Kees Cook <keescook@xxxxxxxxxxxx> > Date: Tue Oct 25 15:39:35 2022 -0700 > > skbuff: Proactively round up to kmalloc bucket size > > Instead of discovering the kmalloc bucket size _after_ allocation, round > up proactively so the allocation is explicitly made for the full size, > allowing the compiler to correctly reason about the resulting size of > the buffer through the existing __alloc_size() hint. > > This will allow for kernels built with CONFIG_UBSAN_BOUNDS or the > coming dynamic bounds checking under CONFIG_FORTIFY_SOURCE to gain > back the __alloc_size() hints that were temporarily reverted in commit > 93dd04ab0b2b ("slab: remove __alloc_size attribute from > __kmalloc_track_caller") > > Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> > Cc: Eric Dumazet <edumazet@xxxxxxxxxx> > Cc: Jakub Kicinski <kuba@xxxxxxxxxx> > Cc: Paolo Abeni <pabeni@xxxxxxxxxx> > Cc: netdev@xxxxxxxxxxxxxxx > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> > Cc: David Rientjes <rientjes@xxxxxxxxxx> > Acked-by: Vlastimil Babka <vbabka@xxxxxxx> > Link: https://patchwork.kernel.org/project/netdevbpf/patch/20221021234713.you.031-kees@xxxxxxxxxx/ > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> > Link: https://lore.kernel.org/r/20221025223811.up.360-kees@xxxxxxxxxx > Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx> > > > Thanks and greetings! > > Daniel Díaz > daniel.diaz@xxxxxxxxxx -- Thanks, ~Nick Desaulniers
