RE: [PATCH] dhcpcd: fix for unexpected syscall 135 for 10.1.0 version

["Balaji Pothunoori (QUIC)" <quic_bpothuno@quicinc.com>]

> -----Original Message-----
> From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> Sent: Wednesday, March 5, 2025 2:17 PM
> To: Balaji Pothunoori (QUIC) <quic_bpothuno@quicinc.com>
> Cc: openembedded-core@lists.openembedded.org
> Subject: Re: [PATCH] dhcpcd: fix for unexpected syscall 135 for 10.1.0 version
> 
> On Wed, Mar 05, 2025 at 12:11:01PM +0530, Balaji Pothunoori wrote:
> > Current dhcpcd (version 10.1.0) service crashes on the WiFi (wlan0)
> > interface with the following error:
> 
> There are newer releases, which already have this patch. Any reason for not
> upgrading? For example there was an AUH message from March 1st.

Few patches are applied as OE Specific in https://git.openembedded.org/openembedded-core/tree/meta/recipes-connectivity/dhcpcd/files 
Hence, I can't perform end to end testing for upgrade, So proceeded with patch BACKPORT for 10.1.0 version.

> 
> >
> > "ps_seccomp_violation: unexpected syscall 135"
> >
> > This update pulls in fix #421 for dhcpcd 10.1.0 to address this issue.
> >
> > Signed-off-by: Balaji Pothunoori <quic_bpothuno@quicinc.com>
> > ---
> >  .../dhcpcd/dhcpcd_10.1.0.bb                   |  1 +
> >  ...llow-the-__NR_rt_sigprocmask-syscall.patch | 30
> > +++++++++++++++++++
> >  2 files changed, 31 insertions(+)
> >  create mode 100644
> > meta/recipes-connectivity/dhcpcd/files/0001-linux-Allow-the-__NR_rt_si
> > gprocmask-syscall.patch
> >
> > diff --git a/meta/recipes-connectivity/dhcpcd/dhcpcd_10.1.0.bb
> > b/meta/recipes-connectivity/dhcpcd/dhcpcd_10.1.0.bb
> > index 3f806bb18783..99b72852bf34 100644
> > --- a/meta/recipes-connectivity/dhcpcd/dhcpcd_10.1.0.bb
> > +++ b/meta/recipes-connectivity/dhcpcd/dhcpcd_10.1.0.bb
> > @@ -15,6 +15,7 @@ SRC_URI =
> "git://github.com/NetworkConfiguration/dhcpcd;protocol=https;branch=ma
> >             file://dhcpcd.service \
> >             file://dhcpcd@.service \
> >
> > file://0001-dhcpcd.8-Fix-conflict-error-when-enable-multilib.patch \
> > +
> > + file://0001-linux-Allow-the-__NR_rt_sigprocmask-syscall.patch \
> >             "
> >
> >  SRCREV = "57c3506a5622e199cf0e3fc1ef26a71cdedc9521"
> > diff --git
> > a/meta/recipes-connectivity/dhcpcd/files/0001-linux-Allow-the-__NR_rt_
> > sigprocmask-syscall.patch
> > b/meta/recipes-connectivity/dhcpcd/files/0001-linux-Allow-the-__NR_rt_
> > sigprocmask-syscall.patch
> > new file mode 100644
> > index 000000000000..7058330165f3
> > --- /dev/null
> > +++ b/meta/recipes-connectivity/dhcpcd/files/0001-linux-Allow-the-__NR
> > +++ _rt_sigprocmask-syscall.patch
> > @@ -0,0 +1,30 @@
> > +From e9e40400003db2e4f12dba85acabbaf2212a520f Mon Sep 17
> 00:00:00
> > +2001
> > +From: Scott Shambarger <devel@shambarger.net>
> > +Date: Sat, 7 Dec 2024 16:37:28 +0000
> > +Subject: [PATCH] linux: Allow the __NR_rt_sigprocmask syscall
> > +
> > +Fixes recent glibc changes to getrandom() used by arc4random().
> > +Fixes #421.
> > +
> > +Upstream-Status: Backport
> > +See details in
> > +https://github.com/NetworkConfiguration/dhcpcd/issues/421
> 
> This doesn't follow the established standard. I doubt that it will not trigger QA
> error.

Validated the patch using " patchtest --patch <patch_name>"

> 
> --
> With best wishes
> Dmitry

Regards,
Balaji.