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When assert_return() is critical, the following assertion is triggered on exit: --- #0 0x00007f8b1f6b0884 in __pthread_kill_implementation () from target:/lib64/libc.so.6 #1 0x00007f8b1f65fafe in raise () from target:/lib64/libc.so.6 #2 0x00007f8b1f64887f in abort () from target:/lib64/libc.so.6 #3 0x00007f8b208d02d6 in log_assert_failed (text=0x7f8b210009e0 "e->state != SD_EVENT_FINISHED", file=0x7f8b20fff403 "src/libsystemd/sd-event/sd-event.c", line=1252, func=0x7f8b21004400 <__func__.154> "sd_event_add_io") at ../src/basic/log.c:948 #4 0x00007f8b208d0457 in log_assert_failed_return (text=0x7f8b210009e0 "e->state != SD_EVENT_FINISHED", file=0x7f8b20fff403 "src/libsystemd/sd-event/sd-event.c", line=1252, func=0x7f8b21004400 <__func__.154> "sd_event_add_io") at ../src/basic/log.c:967 #5 0x00007f8b20c7d102 in sd_event_add_io (e=0x617000000080, ret=0x60c000000a20, fd=11, events=1, callback=0x7dfd85 <ipv4acd_on_packet>, userdata=0x60c000000a00) at ../src/libsystemd/sd-event/sd-event.c:1252 #6 0x00000000007e3934 in sd_ipv4acd_start (acd=0x60c000000a00, reset_conflicts=true) at ../src/libsystemd-network/sd-ipv4acd.c:597 #7 0x00000000007e72b9 in ipv4ll_start_internal (ll=0x6080000006a0, reset_generation=true) at ../src/libsystemd-network/sd-ipv4ll.c:278 #8 0x00000000007e7462 in sd_ipv4ll_start (ll=0x6080000006a0) at ../src/libsystemd-network/sd-ipv4ll.c:298 #9 0x00000000006047a1 in dhcp4_handler (client=0x617000000400, event=0, userdata=0x61a000000680) at ../src/network/networkd-dhcp4.c:1183 #10 0x000000000075b1ed in client_notify (client=0x617000000400, event=0) at ../src/libsystemd-network/sd-dhcp-client.c:783 #11 0x000000000075bf8d in client_stop (client=0x617000000400, error=0) at ../src/libsystemd-network/sd-dhcp-client.c:821 #12 0x000000000077710f in sd_dhcp_client_stop (client=0x617000000400) at ../src/libsystemd-network/sd-dhcp-client.c:2388 #13 0x000000000065cdd1 in link_stop_engines (link=0x61a000000680, may_keep_dhcp=true) at ../src/network/networkd-link.c:336 #14 0x000000000041f214 in manager_free (m=0x618000000080) at ../src/network/networkd-manager.c:613 #15 0x00000000004124e3 in manager_freep (p=0x7f8b1c800040) at ../src/network/networkd-manager.h:128 #16 0x00000000004139f6 in run (argc=1, argv=0x7ffffe4522e8) at ../src/network/networkd.c:24 #17 0x0000000000413b20 in main (argc=1, argv=0x7ffffe4522e8) at ../src/network/networkd.c:119 --- Prompted by https://github.com/systemd/systemd/pull/30049#issuecomment-1844087965.
System and Service Manager
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