On Mon, 25 Mar 2024 10:59:01 -0700 Suren Baghdasaryan <[email protected]> wrote:
> On Mon, Mar 25, 2024 at 10:49 AM SeongJae Park <[email protected]> wrote: > > > > On Mon, 25 Mar 2024 14:56:01 +0000 Suren Baghdasaryan <[email protected]> > > wrote: > > > > > On Sat, Mar 23, 2024 at 6:05 PM SeongJae Park <[email protected]> wrote: > > > > > > > > Hi Suren and Kent, > > > > > > > > On Thu, 21 Mar 2024 09:36:52 -0700 Suren Baghdasaryan > > > > <[email protected]> wrote: > > > > > > > > > From: Kent Overstreet <[email protected]> > > > > > > > > > > This wrapps all external vmalloc allocation functions with the > > > > > alloc_hooks() wrapper, and switches internal allocations to _noprof > > > > > variants where appropriate, for the new memory allocation profiling > > > > > feature. > > > > > > > > I just noticed latest mm-unstable fails running kunit on my machine as > > > > below. > > > > 'git-bisect' says this is the first commit of the failure. > > > > > > > > $ ./tools/testing/kunit/kunit.py run --build_dir ../kunit.out/ > > > > [10:59:53] Configuring KUnit Kernel ... > > > > [10:59:53] Building KUnit Kernel ... > > > > Populating config with: > > > > $ make ARCH=um O=../kunit.out/ olddefconfig > > > > Building with: > > > > $ make ARCH=um O=../kunit.out/ --jobs=36 > > > > ERROR:root:/usr/bin/ld: arch/um/os-Linux/main.o: in function > > > > `__wrap_malloc': > > > > main.c:(.text+0x10b): undefined reference to `vmalloc' > > > > collect2: error: ld returned 1 exit status > > > > > > > > Haven't looked into the code yet, but reporting first. May I ask your > > > > idea? > > > > > > Hi SeongJae, > > > Looks like we missed adding "#include <linux/vmalloc.h>" inside > > > arch/um/os-Linux/main.c in this patch: > > > https://lore.kernel.org/all/[email protected]/. > > > I'll be posing fixes for all 0-day issues found over the weekend and > > > will include a fix for this. In the meantime, to work around it you > > > can add that include yourself. Please let me know if the issue still > > > persists after doing that. > > > > Thank you, Suren. The change made the error message disappears. However, > > it > > introduced another one. > > Ok, let me investigate and I'll try to get a fix for it today evening. Thank you for this kind reply. Nonetheless, this is not blocking some real thing from me. So, no rush. Plese take your time :) Thanks, SJ > Thanks, > Suren. > > > > > $ git diff > > diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c > > index c8a42ecbd7a2..8fe274e9f3a4 100644 > > --- a/arch/um/os-Linux/main.c > > +++ b/arch/um/os-Linux/main.c > > @@ -16,6 +16,7 @@ > > #include <kern_util.h> > > #include <os.h> > > #include <um_malloc.h> > > +#include <linux/vmalloc.h> > > > > #define PGD_BOUND (4 * 1024 * 1024) > > #define STACKSIZE (8 * 1024 * 1024) > > $ > > $ ./tools/testing/kunit/kunit.py run --build_dir ../kunit.out/ > > [10:43:13] Configuring KUnit Kernel ... > > [10:43:13] Building KUnit Kernel ... > > Populating config with: > > $ make ARCH=um O=../kunit.out/ olddefconfig > > Building with: > > $ make ARCH=um O=../kunit.out/ --jobs=36 > > ERROR:root:In file included from .../arch/um/kernel/asm-offsets.c:1: > > .../arch/x86/um/shared/sysdep/kernel-offsets.h:9:6: warning: no > > previous prototype for ‘foo’ [-Wmissing-prototypes] > > 9 | void foo(void) > > | ^~~ > > In file included from .../include/linux/alloc_tag.h:8, > > from .../include/linux/vmalloc.h:5, > > from .../arch/um/os-Linux/main.c:19: > > .../include/linux/bug.h:5:10: fatal error: asm/bug.h: No such file or > > directory > > 5 | #include <asm/bug.h> > > | ^~~~~~~~~~~ > > compilation terminated. > > > > > > Thanks, > > SJ > > > > [...] >
