On Tue, Jun 28, 2022 at 7:20 PM KP Singh <kpsingh@xxxxxxxxxx> wrote: > > On Tue, Jun 28, 2022 at 7:13 PM Christian Brauner <brauner@xxxxxxxxxx> wrote: > > > > On Tue, Jun 28, 2022 at 04:19:43PM +0000, KP Singh wrote: > > > v4 -> v5 > > > > > > - Fixes suggested by Andrii > > > > > > v3 -> v4 > > > > > > - Fixed issue incorrect increment of arg counter > > > - Removed __weak and noinline from kfunc definiton > > > - Some other minor fixes. > > > > > > v2 -> v3 > > > > > > - Fixed missing prototype error > > > - Fixes suggested by other Joanne and Kumar. > > > > > > v1 -> v2 > > > > > > - Used kfuncs as suggested by Alexei > > > - Used Benjamin Tissoires' patch from the HID v4 series to add a > > > sleepable kfunc set (I sent the patch as a part of this series as it > > > seems to have been dropped from v5) and acked it. Hope this is okay. > > > - Added support for verifying string constants to kfuncs > > > > Hm, I mean this isn't really giving any explanation as to why you are > > doing this. There's literally not a single sentence about the rationale? > > Did you accidently forget to put that into the cover letter? :) > > > Yes, actually I did forget to copy paste :) > > Foundation for building more complex security policies using the > BPF LSM as presented in LSF/MM/BPF: > > http://vger.kernel.org/bpfconf2022_material/lsfmmbpf2022-xattr.pdf\ And my copy paste skills are getting worse (with the back-slash removed): http://vger.kernel.org/bpfconf2022_material/lsfmmbpf2022-xattr.pdf > > See: https://lore.kernel.org/bpf/20220624045636.3668195-1-kpsingh@xxxxxxxxxx/ > > > > > > > > > > > > > > > > Benjamin Tissoires (1): > > > btf: Add a new kfunc set which allows to mark a function to be > > > sleepable > > > > > > KP Singh (4): > > > bpf: kfunc support for ARG_PTR_TO_CONST_STR > > > bpf: Allow kfuncs to be used in LSM programs > > > bpf: Add a bpf_getxattr kfunc > > > bpf/selftests: Add a selftest for bpf_getxattr > > > > > > include/linux/bpf_verifier.h | 2 + > > > include/linux/btf.h | 2 + > > > kernel/bpf/btf.c | 43 ++++++++- > > > kernel/bpf/verifier.c | 89 +++++++++++-------- > > > kernel/trace/bpf_trace.c | 42 +++++++++ > > > .../testing/selftests/bpf/prog_tests/xattr.c | 54 +++++++++++ > > > tools/testing/selftests/bpf/progs/xattr.c | 37 ++++++++ > > > 7 files changed, 229 insertions(+), 40 deletions(-) > > > create mode 100644 tools/testing/selftests/bpf/prog_tests/xattr.c > > > create mode 100644 tools/testing/selftests/bpf/progs/xattr.c > > > > > > -- > > > 2.37.0.rc0.161.g10f37bed90-goog > > >
