#43630: dai_auto_settler_run() gets stuck in recursion which somehow later leads to segfaults
Open Date: 2022-01-15 10:58
Last Update: 2022-01-16 10:25
URL for this Ticket:
https://osdn.net//projects/freeciv/ticket/43630
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Last Changes/Comment on this Ticket:
2022-01-16 10:25 Updated by: cazfi
Comment:
Reply To lexxie9952
Well maybe it's opposite, and the fact we allow settling while still transported.
No. The recursion happens when settling is *disallowed* when the code assumes it to be allowed.
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Ticket Status:
Reporter: lexxie9952
Owner: (None)
Type: Bugs
Status: Open
Priority: 5 - Medium
MileStone: (None)
Component: (None)
Severity: 5 - Medium
Resolution: None
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Ticket details:
This is connected to several bits of info to know about it...
This line here:
/* Only known way to end in here is that hut turned in to a city
when settler entered tile. So this is not going to lead in any
serious recursion. */
This log here:
: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: Ramiro I: Failed to build city at (63, 31). Reason id: 34
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: Ramiro I: Failed to build city at (64, 31). Reason id: 34
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 2 times
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 2 times (total 4 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 4 times (total 8 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 8 times (total 16 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 16 times (total 32 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 32 times (total 64 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 64 times (total 128 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 128 times (total 256 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 256 times (total 512 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 512 times (total 1024 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 1024 times (total 2048 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 2048 times (total 4096 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 4096 times (total 8192 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 8192 times (total 16384 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 16384 times (total 32768 repeats)
This stack trace here:
Core was generated by /home/freeciv/freeciv/bin/freeciv-web --debug 1 --port 60 83 --Announce none --e'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x000056436a5ce510 in can_player_see_unit ()
#0 0x000056436a5ce510 in can_player_see_unit ()
#1 0x000056436a3d4f70 in send_unit_info ()
#2 0x000056436a49bdbf in illegal_action ()
#3 0x000056436a49da9e in unit_perform_action ()
#4 0x000056436a4a264b in unit_do_action ()
---Type <return> to continue, or q <return> to quit---
#5 0x000056436a4f9a57 in dai_auto_settler_run ()
#6 0x000056436a4f997a in dai_auto_settler_run ()
#7 0x000056436a4f997a in dai_auto_settler_run ()
#8 0x000056436a4f997a in dai_auto_settler_run ()
#9 0x000056436a4f997a in dai_auto_settler_run ()
#10 0x000056436a4f997a in dai_auto_settler_run ()
#11 0x000056436a4f997a in dai_auto_settler_run ()
#12 0x000056436a4f997a in dai_auto_settler_run ()
#13 0x000056436a4f997a in dai_auto_settler_run ()
#14 0x000056436a4f997a in dai_auto_settler_run ()
#15 0x000056436a4f997a in dai_auto_settler_run ()
#16 0x000056436a4f997a in dai_auto_settler_run ()
#17 0x000056436a4f997a in dai_auto_settler_run ()
...etc... 32751 more times....
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