Package: chrony
Version: 3.4-3
Severity: important
Tags: patch upstream

Dear Maintainer,

chrony on armel does not start due to seccomp not allowing all required
system calls.

-- System Information:
Debian Release: buster/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: armel (armv5tel)

Kernel: Linux 4.19.0-2-marvell
Locale: LANG=C, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE=C (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages chrony depends on:
ii  adduser              3.118
ii  init-system-helpers  1.56+nmu1
ii  iproute2             4.20.0-2
ii  libc6                2.28-8
ii  libcap2              1:2.25-2
ii  libedit2             3.1-20181209-1
ii  libnettle6           3.4.1-1
ii  libseccomp2          2.3.3-4
ii  lsb-base             10.2018112800
ii  ucf                  3.0038+nmu1

chrony recommends no packages.

Versions of packages chrony suggests:
pn  dnsutils             <none>
pn  networkd-dispatcher  <none>

-- no debconf information
--- chrony-3.4.orig/sys_linux.c
+++ chrony-3.4/sys_linux.c
@@ -504,8 +504,8 @@ SYS_Linux_EnableSystemCallFilter(int lev
     SCMP_SYS(stat64), SCMP_SYS(statfs), SCMP_SYS(statfs64), SCMP_SYS(unlink),
     /* Socket */
     SCMP_SYS(bind), SCMP_SYS(connect), SCMP_SYS(getsockname), 
SCMP_SYS(getsockopt),
-    SCMP_SYS(recvfrom), SCMP_SYS(recvmmsg), SCMP_SYS(recvmsg),
+    SCMP_SYS(recvfrom), SCMP_SYS(recvmmsg), SCMP_SYS(recvmsg),SCMP_SYS(recv),
-    SCMP_SYS(sendmmsg), SCMP_SYS(sendmsg), SCMP_SYS(sendto),
+    SCMP_SYS(sendmmsg), SCMP_SYS(sendmsg), SCMP_SYS(sendto),SCMP_SYS(send),
     /* TODO: check socketcall arguments */
     SCMP_SYS(socketcall),
     /* General I/O */

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