Hi Liam, On Mon, 16 May 2022 at 21:06, Liam Howlett <liam.howlett@xxxxxxxxxx> wrote: > > * Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> [220516 02:51]: > > While running LTP mm tests on x86_64 the following kernel BUG was noticed > > on Linux next-20220513 [1]. > > > > mmapstress01 1 TPASS : Test passed > > mmapstress02 1 TPASS : Test passed > > mmapstress03 0 TINFO : uname.machine=x86_64 kernel is 64bit > > mmapstress03 1 TPASS : Test passed > > [ 666.897222] ------------[ cut here ]------------ > > [ 666.897260] kernel BUG at mm/mmap.c:3235! > > [ 666.897285] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI > > [ 666.899420] CPU: 3 PID: 25230 Comm: mmapstress03 Not tainted > > 5.18.0-rc6-next-20220513 #1 > > [ 666.900552] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), > > BIOS 1.12.0-1 04/01/2014 > > [ 666.901868] RIP: 0010:exit_mmap+0x32c/0x3a0 <trim> > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > > > > > metadata: > > git_ref: master > > git_repo: '' > > git_sha: 1e1b28b936aed946122b4e0991e7144fdbbfd77e > > git_describe: next-20220513 > > kernel_version: 5.18.0-rc6 Here is the Kconfig file. > > kernel-config: https://builds.tuxbuild.com/296PqKcUcCQSykZbASUqmdlP33g/config > > build-url: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next/-/pipelines/538244935 > > artifact-location: https://builds.tuxbuild.com/296PqKcUcCQSykZbASUqmdlP33g > > toolchain: clang-12 > > I'm having an issue reproducing this on my configuration. May be the > clang compiler though. I'll keep digging. FYI, tuxmake will set up toolchains for you and build fast. # To install tuxmake on your system globally: # sudo pip3 install -U tuxmake # # See https://docs.tuxmake.org/ for complete documentation. # Original tuxmake command with fragments listed below. # tuxmake --runtime podman --target-arch x86_64 --toolchain clang-12 --kconfig defconfig --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/lkft.config --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/lkft-crypto.config --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/distro-overrides.config --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/systemd.config --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/virtio.config --kconfig-add CONFIG_IGB=y --kconfig-add CONFIG_UNWINDER_FRAME_POINTER=y LLVM=1 LLVM_IAS=1 ( OR ) tuxmake --runtime podman --target-arch x86_64 --toolchain clang-12 --kconfig https://builds.tuxbuild.com/296PqKcUcCQSykZbASUqmdlP33g/config LLVM=1 LLVM_IAS=1 - Naresh