View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0003214 | GNUnet | cadet service | public | 2013-12-13 21:29 | 2013-12-24 20:53 |
| Reporter | Christian Grothoff | Assigned To | Bart Polot | ||
| Priority | high | Severity | crash | Reproducibility | have not tried |
| Status | closed | Resolution | fixed | ||
| Product Version | Git master | ||||
| Target Version | 0.10.0 | Fixed in Version | 0.10.0 | ||
| Summary | 0003214: segfault in shutdown in mesh, dereferences map that's (already) NULL | ||||
| Description | aCore was generated by `/home/grothoff/lib/gnunet/libexec/gnunet-service-mesh -c /tmp/testbedZiRZ3S/4/c'. Program terminated with signal 11, Segmentation fault. #0 0x00002ac184154be2 in GNUNET_CONTAINER_multihashmap_remove (map=0x0, key=0x66bc00, value=0x66bb60) at container_multihashmap.c:388 388 map->modification_counter++; (gdb) ba #0 0x00002ac184154be2 in GNUNET_CONTAINER_multihashmap_remove (map=0x0, key=0x66bc00, value=0x66bb60) at container_multihashmap.c:388 #1 0x000000000041143e in GMC_destroy (c=0x66bb60) at gnunet-service-mesh_connection.c:2301 #2 0x0000000000409066 in GMT_destroy (t=0x66bf70) at gnunet-service-mesh_tunnel.c:1955 #3 0x0000000000405c3c in destroy_iterator (cls=0x0, key=0x66f2b0, value=0x66bf70) at gnunet-service-mesh_tunnel.c:1099 #4 0x00002ac184155fab in GNUNET_CONTAINER_multipeermap_iterate (map=0x66fe10, it=0x405c14 <destroy_iterator>, it_cls=0x0) at container_multipeermap.c:343 #5 0x000000000040784d in GMT_shutdown () at gnunet-service-mesh_tunnel.c:1629 #6 0x0000000000424374 in shutdown_task (cls=0x0, tc=0x7fff881a5f60) at gnunet-service-mesh.c:104 #7 0x00002ac184178ddc in run_ready (rs=0x66dfd0, ws=0x66e060) at scheduler.c:595 #8 0x00002ac184179669 in GNUNET_SCHEDULER_run (task=0x2ac184185967 <service_task>, task_cls=0x7fff881a6300) at scheduler.c:817 #9 0x00002ac1841876e8 in GNUNET_SERVICE_run (argc=3, argv=0x7fff881a6598, service_name=0x428bb0 "mesh", options=GNUNET_SERVICE_OPTION_NONE, task=0x42440e <run>, task_cls=0x0) at service.c:1490 #10 0x0000000000424780 in main (argc=3, argv=0x7fff881a6598) at gnunet-service-mesh.c:163 | ||||
| Steps To Reproduce | Triggered via 'make check' in mesh. | ||||
| Tags | No tags attached. | ||||
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Looks like GMC_destroy can leave tunnels with dangling references to the mesh connection. |
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GMC_destroy on the last tunnel's connection was causing the tunnel to try to create new connections. Added a flag to prevent this behavior during shutdown, fixed in r31399. |
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2013-12-13 21:29 | Christian Grothoff | New Issue | |
| 2013-12-13 21:29 | Christian Grothoff | Status | new => assigned |
| 2013-12-13 21:29 | Christian Grothoff | Assigned To | => Bart Polot |
| 2013-12-13 21:29 | Christian Grothoff | Steps to Reproduce Updated | |
| 2013-12-14 13:59 | Christian Grothoff | Note Added: 0007886 | |
| 2013-12-16 10:53 | Bart Polot | Status | assigned => confirmed |
| 2013-12-16 11:26 | Bart Polot | Note Added: 0007887 | |
| 2013-12-16 11:26 | Bart Polot | Status | confirmed => resolved |
| 2013-12-16 11:26 | Bart Polot | Fixed in Version | => Git master |
| 2013-12-16 11:26 | Bart Polot | Resolution | open => fixed |
| 2013-12-16 11:39 | Christian Grothoff | Fixed in Version | Git master => 0.10.0 |
| 2013-12-24 20:53 | Christian Grothoff | Status | resolved => closed |
| 2014-05-09 18:34 | Christian Grothoff | Category | mesh service => cadet service |
