Public bug reported: On Noble with systemd 255.4-1ubuntu, we're experiencing segfaults on systems with amazon-vpc-cni-k8s managed interfaces. systemd-networkd crashes while the CNI interfaces are being configured with the following stack overflow:
#0 0x00007a362e3c40ba in _hashmap_iterate (h=0x60e89f0a41f8, i=i@entry=0x7fff0a0e6040, value=value@entry=0x7fff0a0e6038, key=key@entry=0x0) at ../src/basic/hashmap.c:722 #1 0x000060e89daaa2b5 in set_iterate (value=0x7fff0a0e6038, i=0x7fff0a0e6040, s=<optimized out>) at ../src/basic/set.h:76 #2 tclass_drop.isra.0 (tclass=0x60e89f0c5f70) at ../src/network/tc/tclass.c:264 #3 0x000060e89daaa18d in qdisc_drop.isra.0 (qdisc=0x60e89f0c6930) at ../src/network/tc/qdisc.c:301 #4 0x000060e89daaa2ca in tclass_drop.isra.0 (tclass=0x60e89f0c5f70) at ../src/network/tc/tclass.c:268 #5 0x000060e89daaa18d in qdisc_drop.isra.0 (qdisc=0x60e89f0c6930) at ../src/network/tc/qdisc.c:301 [..] #87308 0x000060e89daaa2ca in tclass_drop.isra.0 (tclass=0x60e89f0c5f70) at ../src/network/tc/tclass.c:268 #87309 0x000060e89daaa18d in qdisc_drop.isra.0 (qdisc=0x60e89f0c6930) at ../src/network/tc/qdisc.c:301 #87310 0x000060e89daaa2ca in tclass_drop.isra.0 (tclass=0x60e89f0c5f70) at ../src/network/tc/tclass.c:268 #87311 0x000060e89daaa18d in qdisc_drop.isra.0 (qdisc=0x60e89f0b51a0) at ../src/network/tc/qdisc.c:301 #87312 0x000060e89da167de in manager_rtnl_process_qdisc (rtnl=<optimized out>, message=0x60e89f0cdf80, m=0x60e89f0a3040) at ../src/network/tc/qdisc.c:549 #87313 0x00007a362e4641fe in process_match (m=0x60e89f0cdf80, nl=0x60e89f0a50c0) at ../src/libsystemd/sd-netlink/sd-netlink.c:314 #87314 process_running (ret=0x0, nl=0x60e89f0a50c0) at ../src/libsystemd/sd-netlink/sd-netlink.c:344 #87315 sd_netlink_process (nl=0x60e89f0a50c0, ret=ret@entry=0x0) at ../src/libsystemd/sd-netlink/sd-netlink.c:374 #87316 0x00007a362e4646d7 in io_callback (s=<optimized out>, fd=<optimized out>, revents=<optimized out>, userdata=<optimized out>) at ../src/libsystemd/sd-netlink/sd-netlink.c:655 #87317 0x00007a362e49c724 in source_dispatch (s=s@entry=0x60e89f0a5240) at ../src/libsystemd/sd-event/sd-event.c:4187 #87318 0x00007a362e49ca6d in sd_event_dispatch (e=<optimized out>, e@entry=0x60e89f0a3380) at ../src/libsystemd/sd-event/sd-event.c:4808 #87319 0x00007a362e49e3d8 in sd_event_run (e=<optimized out>, e@entry=0x60e89f0a3380, timeout=timeout@entry=18446744073709551615) at ../src/libsystemd/sd-event/sd-event.c:4869 #87320 0x00007a362e49e5ff in sd_event_loop (e=<optimized out>) at ../src/libsystemd/sd-event/sd-event.c:4891 #87321 0x000060e89d9e5453 in run (argv=<optimized out>, argc=<optimized out>) at ../src/network/networkd.c:112 #87322 main (argc=<optimized out>, argv=<optimized out>) at ../src/network/networkd.c:119 It appears this issue has been fixed in v256 upstream. Bug: https://github.com/systemd/systemd/issues/32247 Fixing PR 1: https://github.com/systemd/systemd/commit/632d321050f58fe1b5bed7cfe769d212377c0301 Fixing PR 2: https://github.com/systemd/systemd/commit/ee8f605ded4fea6b93aae018415efae877c26ed2 Would it be possible to backport these fixes to Noble? ** Affects: systemd (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2067924 Title: systemd-networkd crashes on systems with amazon-vpc-cni-k8s To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/2067924/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
