core.dump
[ELF 64-bit LSB core file · x86-64 · from 'florian' · signal 11]
root@wopr.defunc.norad:~# gdb ./florian core.dump
GNU gdb (GDB) 13.37 Reading symbols from ./florian... [New LWP 1983] Core was generated by `./florian --coffee=0 --meetings=7 --ship-it'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00000000deadc0de in caffeine_check (level=0) at brain.c:42 42 assert(coffee > 0 && "cannot operate on an empty mug"); (gdb) bt #0 0x00000000deadc0de in caffeine_check (level=0) at brain.c:42 #1 0x000000001337beef in attend_meeting (n=7, could_be_an_email=true) at calendar.c:1999 #2 0x00000000cafebabe in fix_prod_before_demo (eta="5 min", actual="5 hours") at ops.c:404 #3 0x0000000000c0ffee in agent_swarm_dispatch (agents=64, supervisor=NULL) at nova_x/swarm.c:128 #4 0x0000000000031337 in main (argc=1, argv=["shall we play a game?"]) at wopr.c:1983 (gdb) info registers rip rip 0xdeadc0de 0xdeadc0de <caffeine_check+42> (gdb) print motivation $1 = <optimized out> (gdb) print sleep_hours $2 = 4 (gdb) quit
root@wopr.defunc.norad:~# xxd core.dump
00000000: 7f45 4c46 0201 0100 0000 0000 0000 0000 .ELF............ 00000010: 0400 3e00 0100 0000 0000 0000 0000 0000 ..>............. 00000020: 4000 0000 0000 0000 0000 0000 0000 0000 @............... 00000030: 434f 5245 0000 0000 1337 beef dead c0de CORE.....7...... 00000040: 4752 4545 5449 4e47 5320 5052 4f46 4553 GREETINGS PROFES 00000050: 534f 5220 4641 4c4b 454e 2e00 0000 0000 SOR FALKEN...... 00000060: 5348 414c 4c20 5745 2050 4c41 5920 4120 SHALL WE PLAY A 00000070: 4741 4d45 3f00 0000 cafe babe 0000 0063 GAME?..........c 00000080: 6f66 6665 655f 6c65 7665 6c3d 3078 3030 offee_level=0x00 00000090: 0000 0000 0000 0000 0000 0000 0000 736c ..............sl 000000a0: 6565 705f 686f 7572 733d 3400 0000 6d65 eep_hours=4...me 000000b0: 6574 696e 6773 5f74 6f64 6179 3d37 0000 etings_today=7.. 000000c0: 0054 4f44 4f3a 2066 6978 2070 726f 6420 .TODO: fix prod 000000d0: 6265 666f 7265 2064 656d 6f00 0000 0000 before demo..... 000000e0: 0046 4c41 477b 7930 755f 7233 5f72 3334 .FLAG{y0u_r3_r34 000000f0: 6431 6e67 5f34 5f68 3378 6475 6d70 5f66 d1ng_4_h3xdump_f 00000100: 3072 5f66 756e 7d00 0074 6865 206f 6e6c 0r_fun}..the onl 00000110: 7920 7769 6e6e 696e 6720 6d6f 7665 2069 y winning move i 00000120: 7320 6e6f 7420 746f 2070 6c61 7900 0000 s not to play... 00000130: 00ff ffff ffde adbe ef00 0000 0000 0000 ................ 00000140: 004a 4f53 4855 4100 0000 0000 0000 0000 .JOSHUA......... 00000150: 0068 6163 6b20 7468 6520 706c 616e 6574 .hack the planet 00000160: 0090 9090 9090 9090 9090 9090 90cc cccc ................ 00000170: cc73 6567 6661 756c 7420 4020 6272 6169 .segfault @ brai 00000180: 6e2e 633a 3432 202d 2d20 7461 6273 2076 n.c:42 -- tabs v 00000190: 7320 7370 6163 6573 2061 6761 696e 0000 s spaces again.. 000001a0: 00 .
root@wopr.defunc.norad:~# file core.dump
core.dump: ELF 64-bit LSB core file, x86-64, version 1 (SYSV), SVR4-style, from './florian --coffee=0', diagnosis: needs espresso, not a debugger
root@wopr.defunc.norad:~# cd ~