Re: [LTP] [PATCH 0/2] Add infiniband testing suite

[Petr Vorel <pvorel@suse.cz>]

> This patch series introduces a test for infiniband testing, based on
> https://marc.info/?l=linux-kernel&m=152625244101970&w=2.
https://lore.kernel.org/lkml/20180513230237.GG677@sol.localdomain/

Thanks for pointing out the C source.  I was looking at the original syzkaller
reproducer [1] which IMHO did more things, simplified C source is quite similar
to what you do in LTP test.

Have you verified if it actually reproduce the bug on affected kernel? Does it
reproduce the bug?

I tried it only on too new kernel (6.12 based SLE16 kernel, required to install
rdma-core, rdma_cm kernel module, which creates /dev/infiniband/rdma_cm, was
loaded by default).

Kind regards,
Petr

[1] https://syzkaller.appspot.com/text?tag=ReproSyz&x=1686969e400000

> Consider this as a snapshot for a possible test. I sent it to the ML
> just to have some feedbacks.

> Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
> ---
> Andrea Cervesato (2):
>       lapi: Add fallback rdma_user_cm.h definitions
>       device-drivers/rdma: Add ucma_uaf01 test

>  configure.ac                                      |   1 +
>  include/lapi/rdma_user_cm.h                       |  72 ++++++++
>  runtest/kernel_misc                               |   1 +
>  testcases/kernel/device-drivers/Makefile          |   1 +
>  testcases/kernel/device-drivers/rdma/.gitignore   |   1 +
>  testcases/kernel/device-drivers/rdma/Makefile     |   7 +
>  testcases/kernel/device-drivers/rdma/ucma_uaf01.c | 208 ++++++++++++++++++++++
>  7 files changed, 291 insertions(+)
> ---
> base-commit: b874b6a264cf4f343c17d543ebe4ff91fbb89042
> change-id: 20260325-infiniband_rdma-c94a1f4f7255

> Best regards,

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