Description of problem: 'make check' in libnbd project but system-installed nbdkit Version-Release number of selected component: nbdkit-server-1.32.5-1.fc37 Additional info: reporter: libreport-2.17.4 backtrace_rating: 4 cgroup: 0::/user.slice/user-14986.slice/user/app.slice/app-org.gnome.Terminal.slice/vte-spawn-d6fe51c3-4e81-4e8f-8775-2b8c418b0fcc.scope cmdline: nbdkit --exit-with-parent -v --filter=error pattern 5M error-pread-rate=0.5 crash_function: raw_send_socket executable: /usr/sbin/nbdkit journald_cursor: s=1be4dd20d4854712bab1191d895af0dc;i=4a3ad5;b=c162492451d944938c784f4627ff93a6;m=693923ae92;t=5f5626ed38091;x=72b7f4e687039a6c kernel: 6.1.11-200.fc37.x86_64 rootdir: / runlevel: N 5 type: CCpp uid: 14986
Created attachment 1945972 [details] File: backtrace
Created attachment 1945973 [details] File: core_backtrace
Created attachment 1945974 [details] File: cpuinfo
Created attachment 1945975 [details] File: dso_list
Created attachment 1945976 [details] File: environ
Created attachment 1945977 [details] File: limits
Created attachment 1945978 [details] File: maps
Created attachment 1945979 [details] File: mountinfo
Created attachment 1945980 [details] File: open_fds
Created attachment 1945981 [details] File: proc_pid_status
Reproduced with: $ nbdcopy -- [ nbdkit --exit-with-parent -v --filter=error pattern 5M error-pread-rate=0.5 ] null: ... nbdkit: connections.c:402: raw_send_socket: Assertion `sock >= 0' failed. using libnbd-1.15.9-2.fc38.x86_64, nbdkit-1.33.8-1.fc38.x86_64 The libnbd testsuite is silently continuing in spite of the nbdkit assertion failure. The failure itself is in raw_send_socket(), in an assertion added in commit daef505e