Bug 3232

Summary:

The new select syscall needed for ARM architecture

Product:

Portable OpenSSH

Reporter:

Jakub Jelen <jjelen>

Component:

sshd

Assignee:

Assigned to nobody <unassigned-bugs>

Status:

CLOSED FIXED

Severity:

enhancement

CC:

arekm, djm, dtucker

Priority:

Version:

8.4p1

Hardware:

ARM64

OS:

Linux

Bug Depends on:

Bug Blocks:

3217

Attachments:

Description	Flags
proposed patch	none

Description Jakub Jelen 2020-11-19 21:39:04 AEDT

Created attachment 3454 [details]
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

Comment 1 Darren Tucker 2020-11-20 13:40:11 AEDT

Patch applied, thanks.  It will be in the next major release.

Comment 2 Arkadiusz Miśkiewicz 2021-03-02 21:34:10 AEDT

A note, i686 needed this patch, too (glibc 2.33).

Comment 3 Damien Miller 2021-04-23 14:53:12 AEST

closing resolved bugs as of 8.6p1 release