View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0001841 | GNUnet | transport service | public | 2011-10-23 20:20 | 2011-10-31 12:00 |
| Reporter | Christian Grothoff | Assigned To | Matthias Wachs | ||
| Priority | urgent | Severity | crash | Reproducibility | random |
| Status | closed | Resolution | fixed | ||
| Product Version | Git master | ||||
| Summary | 0001841: transport service crashes | ||||
| Description | Saw this on my system (with corrupt stack) and now on buildbots: Oct 23 13:14:23-160121 arm-25401 WARNING Service `transport' terminated with status signal/11, will try to restart it! (during mesh test on arm) | ||||
| Tags | No tags attached. | ||||
| related to | 0001843 | closed | Matthias Wachs | Use of uninitialised value of size 8 (valgrind report) |
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See 0001843. |
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(gdb) bt #0 0x0000000000408912 in try_transmission_to_peer (n=0x8623c0) at gnunet-service-transport_neighbours.c:388 #1 0x0000000000408e42 in transmission_task (cls=0x8623c0, tc=0x7fff3f3b95b0) at gnunet-service-transport_neighbours.c:441 #2 0x00007f66b4e3e392 in run_ready (rs=0x8441b0, ws=0x844240) at scheduler.c:685 #3 0x00007f66b4e3eb43 in GNUNET_SCHEDULER_run (task=0x7f66b4e4877e <service_task>, task_cls=0x7fff3f3b9890) at scheduler.c:867 #4 0x00007f66b4e4a0df in GNUNET_SERVICE_run (argc=3, argv=0x7fff3f3b9ad8, serviceName=0x40ec4f "transport", opt=GNUNET_SERVICE_OPTION_NONE, task=0x403504 <run>, task_cls=0x0) at service.c:1608 #5 0x0000000000403846 in main (argc=3, argv=0x7fff3f3b9ad8) at gnunet-service-transport.c:599 (gdb) |
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/gnunet/gnunet-head/src/mesh$ ./test_mesh_small_unicast |
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Core was generated by `gnunet-service-transport -c /tmp/test_mesh_small//9//gnunet-testing-config85bET'. Program terminated with signal 11, Segmentation fault. #0 0x0000000000408912 in try_transmission_to_peer (n=0x8623c0) at gnunet-service-transport_neighbours.c:388 388 GNUNET_CONTAINER_DLL_remove (n->messages_head, n->messages_tail, mq); (gdb) bt |
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valgrind: ==32699== Invalid read of size 8 ==32699== at 0x40898C: try_transmission_to_peer (gnunet-service-transport_neighbours.c:383) ==32699== by 0x408E41: transmission_task (gnunet-service-transport_neighbours.c:441) ==32699== by 0x58A1391: run_ready (scheduler.c:685) ==32699== by 0x58A1B42: GNUNET_SCHEDULER_run (scheduler.c:867) ==32699== by 0x58AD0DE: GNUNET_SERVICE_run (service.c:1608) ==32699== by 0x403845: main (gnunet-service-transport.c:599) ==32699== Address 0x69d2ba0 is 0 bytes inside a block of size 192 free'd ==32699== at 0x4C282ED: free (vg_replace_malloc.c:366) ==32699== by 0x5875437: GNUNET_xfree_ (common_allocation.c:202) ==32699== by 0x409478: disconnect_neighbour (gnunet-service-transport_neighbours.c:525) ==32699== by 0x40990E: send_connect_continuation (gnunet-service-transport_neighbours.c:652) ==32699== by 0x408716: transmit_send_continuation (gnunet-service-transport_neighbours.c:360) ==32699== by 0x408DDF: try_transmission_to_peer (gnunet-service-transport_neighbours.c:423) ==32699== by 0x408E41: transmission_task (gnunet-service-transport_neighbours.c:441) ==32699== by 0x58A1391: run_ready (scheduler.c:685) ==32699== by 0x58A1B42: GNUNET_SCHEDULER_run (scheduler.c:867) ==32699== by 0x58AD0DE: GNUNET_SERVICE_run (service.c:1608) ==32699== by 0x403845: main (gnunet-service-transport.c:599) ==32699== |
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fixe in 17726 - transmission_task scheduled 2x without checking on task_identifier - added assertion to see if bug is still existing - schedule task only if transmission was succesful |
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2011-10-23 20:20 | Christian Grothoff | New Issue | |
| 2011-10-23 20:20 | Christian Grothoff | Status | new => assigned |
| 2011-10-23 20:20 | Christian Grothoff | Assigned To | => Matthias Wachs |
| 2011-10-23 20:21 | Christian Grothoff | Description Updated | |
| 2011-10-24 00:53 | Christian Grothoff | Relationship added | related to 0001843 |
| 2011-10-24 09:47 | Matthias Wachs | Note Added: 0004740 | |
| 2011-10-24 11:56 | Matthias Wachs | Note Added: 0004746 | |
| 2011-10-24 11:57 | Matthias Wachs | Note Added: 0004747 | |
| 2011-10-24 11:58 | Matthias Wachs | Note Added: 0004748 | |
| 2011-10-24 12:44 | Matthias Wachs | Status | assigned => acknowledged |
| 2011-10-24 12:57 | Matthias Wachs | Note Added: 0004749 | |
| 2011-10-24 17:26 | Matthias Wachs | Note Added: 0004756 | |
| 2011-10-24 17:26 | Matthias Wachs | Status | acknowledged => resolved |
| 2011-10-24 17:26 | Matthias Wachs | Resolution | open => fixed |
| 2011-10-31 12:00 | Christian Grothoff | Status | resolved => closed |
