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https://bugzilla.mindrot.org/show_bug.cgi?id=3232

Bug ID: 3232
Summary: The new select syscall needed for ARM architecture
Product: Portable OpenSSH
Version: 8.4p1
Hardware: ARM64
OS: Linux
Status: NEW
Severity: enhancement
Priority: P5
Component: sshd
Assignee: unassigned-bugs@mindrot.org
Reporter: jjelen@redhat.com

Created attachment 3454
--> https://bugzilla.mindrot.org/attachment.cgi?id=3454&action=edit
proposed patch

I got a new report that with a new kernel on armhfp (armv7hl), sshd
fails in the sandbox. Later debugging uncovered the syscall number,
which is missing:

type=SECCOMP msg=audit(1605645779.332:638): auid=4294967295 uid=74
gid=74 ses=4294967295 subj=system_u:system_r:sshd_net_t:s0-s0:c0.c1023
pid=796 comm="sshd" exe="/usr/sbin/sshd" sig=31 arch=40000028
syscall=413 compat=0 ip=0xb68db370 code=0x0AUID="unset" UID="sshd"
GID="sshd" ARCH=armeb SYSCALL=unknown-syscall(413)

On arm 413 looks to be pselect6_time64

I tried the attached patch and it solved the issue. For more
information, see the Fedora bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1897712

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