This bug was fixed in the package systemd - 237-3ubuntu10.39
---------------
systemd (237-3ubuntu10.39) bionic; urgency=medium
[ Dariusz Gadomski ]
*
d/p/lp1762391/0001-Call-getgroups-to-know-size-of-supplementary-groups-.patch,
d/p/lp1762391/0002-user-util-tweak-to-in_gid.patch,
d/p/lp1762391/0003-user-util-Add-helper-functions-for-gid-lists-operati.patch,
d/p/lp1762391/0004-execute-Restore-call-to-pam_setcred.patch,
d/p/lp1762391/0005-execute-Detect-groups-added-by-PAM-and-merge-them-wi.patch,
d/p/lp1762391/0006-test-Add-tests-for-gid-list-ops.patch,
d/p/lp1762391/0007-execute-add-const-to-array-parameters-where-possible.patch,
d/p/lp1762391/0008-execute-allow-pam_setcred-to-fail-ignore-errors.patch:
- Restore call to pam_setcred (LP: #1762391)
[ Ioanna Alifieraki ]
* d/p/lp1860548/0001-Revert-Replace-use-of-snprintf-with-xsprintf.patch,
d/p/lp1860548/0002-job-truncate-unit-description.patch:
- use snprintf instead of xsprintf (LP: #1860548)
[ Dan Streetman ]
* d/p/lp1833193-network-update-address-when-static-address-was-alrea.patch:
- Update lft when static addr was cfg by dhcp (LP: #1833193)
*
d/p/lp1849261/0001-core-when-we-can-t-enqueue-OnFailure-job-show-full-e.patch,
d/p/lp1849261/0002-core-don-t-trigger-OnFailure-deps-when-a-unit-is-goi.patch:
- Only trigger OnFailure= if Restart= is not in effect (LP: #1849261)
* d/p/lp1671951-network-set-ipv6-mtu-after-link-up-or-device-mtu-cha.patch:
- set ipv6 mtu at correct time (LP: #1671951)
* d/p/lp1845909/0001-networkd-honour-LinkLocalAddressing.patch,
d/p/lp1845909/0002-networkd-fix-link_up-12505.patch,
d/p/lp1845909/0003-network-do-not-send-ipv6-token-to-kernel.patch,
d/p/lp1845909/0004-network-rename-linux_configure_after_setting_mtu-to-linux.patch,
d/p/lp1845909/0005-network-add-link-setting_genmode-flag.patch,
d/p/lp1845909/0006-network-if-ipv6ll-is-disabled-enumerate-tentative-ipv6-ad.patch,
d/p/lp1845909/0007-network-drop-foreign-config-after-addr_gen_mode-has-been-.patch,
d/p/lp1845909/0008-network-drop-IPv6LL-address-when-LinkLocalAddressing.patch:
- if LinkLocalAddressing=no prevent creation of ipv6ll (LP: #1845909)
* d/p/lp1859862-network-Do-not-disable-IPv6-by-writing-to-sysctl.patch:
- enable ipv6 when needed (LP: #1859862)
* d/p/lp1836695-networkd-Add-back-static-routes-after-DHCPv4-lease-e.patch:
- (re)add static routes after getting dhcp4 addr (LP: #1836695)
* d/t/storage:
- fix buggy test (LP: #1831459)
- without scsi_debug, skip test (LP: #1847816)
-- Dan Streetman <ddstr...@canonical.com> Thu, 06 Feb 2020 10:00:49
-0500
** Changed in: systemd (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1860548
Title:
systemd crashes when logging long message
Status in systemd package in Ubuntu:
Fix Released
Status in systemd source package in Bionic:
Fix Released
Status in systemd source package in Disco:
Fix Released
Status in systemd source package in Eoan:
Fix Released
Bug description:
[Impact]
Systemd crashes when logging very long messages. This regression was
introduced with
upstream commit d054f0a4d451 [1] due to xsprintf.
Commits e68eedbbdc98 [2] and 574432f889ce [3] replace some uses of xsprintf
with
snprintf and fix it.
[Test Case]
# systemd-run --scope apt-get -q -y -o DPkg::Options::=--force-confold
-o DPkg::Options::=--force-confdef --allow-unauthenticated install acl
adduser amd64-microcode apt base-files base-passwd bash bash-
completion bind9-host binfmt-support binutils-common binutils-x86-64
-linux-gnu bsdmainutils bsdutils busybox-initramfs busybox-static
bzip2 ca-certificates console-setup console-setup-linux coreutils cpio
cpp cpp-7 crda cron curl dash dbus dctrl-tools debconf debconf-i18n
debianutils dictionaries-common diffutils dirmngr distro-info-data
dmeventd dmsetup dnsmasq-base dnsutils dpkg e2fslibs e2fsprogs ed
eject fakeroot fdisk file findutils friendly-recovery gawk gcc-7-base
gcc-8-base gettext-base gir1.2-glib-2.0 gnupg gnupg-l10n gnupg-utils
gpg gpg-agent gpg-wks-client gpg-wks-server gpgconf gpgsm gpgv grep
groff-base grub-common grub-pc grub-pc-bin grub2-common gzip hostname
info init init-system-helpers initramfs-tools initramfs-tools-bin
initramfs-tools-core install-info intel-microcode iproute2 iptables
iputils-ping iputils-tracepath irqbalance isc-dhcp-client isc-dhcp-
common iso-codes iw keyboard-configuration keyutils klibc-utils kmod
krb5-locales krb5-user language-pack-en language-pack-en-base
language-pack-gnome-en language-pack-gnome-en-base less
libaccountsservice0 libacl1 libapparmor1 libargon2-0 libasan4
libasn1-8-heimdal libassuan0 libatm1 libatomic1 libattr1 libaudit-
common libaudit1 libbinutils libblkid1 libbsd0 libbz2-1.0 libc-bin
libc-dev-bin libc6 libc6-dev libcap-ng0 libcap2 libcap2-bin libcc1-0
libcilkrts5 libcom-err2 libcryptsetup12 libcurl3-gnutls libcurl4
libdb5.3 libdbus-1-3 libdebconfclient0 libdevmapper-event1.02.1
libdevmapper1.02.1 libdpkg-perl libdrm-common libdrm2 libdumbnet1
libedit2 libelf1 libestr0 libevent-2.1-6 libexpat1 libexpat1-dev
libext2fs2 libfakeroot libfastjson4 libfdisk1 libffi6 libfreetype6
libfribidi0 libfuse2 libgc1c2 libgcc-7-dev libgcc1 libgcrypt20
libgdbm-compat4 libgeoip1 libgirepository-1.0-1 libglib2.0-0
libglib2.0-data libgmp10 libgnutls30 libgomp1 libgpg-error0 libgpm2
libgssapi-krb5-2 libgssapi3-heimdal libgssrpc4 libhcrypto4-heimdal
libheimbase1-heimdal libheimntlm0-heimdal libhogweed4
libhx509-5-heimdal libitm1 libjs-jquery libjs-sphinxdoc libjs-
underscore libk5crypto3 libkadm5clnt-mit11 libkadm5srv-mit11 libkdb5-9
libkeyutils1 libkmod2 libkrb5-26-heimdal libkrb5-3 libkrb5support0
libksba8 libldap-2.4-2 libldap-common liblocale-gettext-perl liblsan0
liblz4-1 liblzma5 libmagic-mgc libmagic1 libmnl0 libmount1 libmpc3
libmpdec2 libmpfr6 libmpx2 libmspack0 libncurses5 libncursesw5
libnetfilter-conntrack3 libnettle6 libnewt0.52 libnfnetlink0
libnfsidmap2 libnghttp2-14 libnl-3-200 libnl-genl-3-200 libnorm1
libnpth0 libnss-systemd libnuma1 libp11-kit0 libpam-cap libpam-krb5
libpam-modules libpam-modules-bin libpam-runtime libpam-systemd
libpam0g libparted2 libpcap0.8 libpci3 libpcre3 libpgm-5.2-0
libpipeline1 libplymouth4 libpng16-16 libpolkit-gobject-1-0 libpopt0
libpsl5 libpython-all-dev libpython-dev libpython-stdlib libpython2.7
libpython2.7-dev libpython2.7-minimal
# tail -f /var/log/syslog
...
Jan 22 12:50:33 bionic-kernel systemd[1]: Assertion 'xsprintf: buf[] must be
big enough' failed at ../src/core/job.c:803, function job_log_status_message().
Aborting.
Broadcast message from systemd-journald@bionic-kernel (Wed 2020-01-22
12:50:33 UTC):
systemd[1]: Caught <ABRT>, dumped core as pid 14620.
Broadcast message from systemd-journald@bionic-kernel (Wed 2020-01-22
12:50:33 UTC):
systemd[1]: Freezing execution.
Jan 22 12:50:33 bionic-kernel systemd[1]: Caught <ABRT>, dumped core as pid
14620.
Jan 22 12:50:33 bionic-kernel systemd[1]: Freezing execution.
[Regression Potential]
The patches replace xsprintf with snprintf and the regression
potential is small.
Any regression would likely involve additional systemd crashes and/or
truncated log/output messages.
[Other]
Only Bionic is affected.
[1] https://github.com/systemd/systemd/issues/4534
[2]
https://github.com/systemd/systemd/commit/e68eedbbdc98fa13449756b7fee3bed689d76493
[3]
https://github.com/systemd/systemd/commit/574432f889ce3de126bbc6736bcbd22ee170ff82
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