Bip

Trou reported an error:

#0  0x00007ffff739d107 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff739e4e8 in __GI_abort () at abort.c:89
#2  0x00007ffff73db214 in __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7ffff74ce000 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
#3  0x00007ffff73e09ee in malloc_printerr (action=1, str=0x7ffff74ca13f "malloc(): memory corruption", ptr=<optimized out>) at malloc.c:4996
#4  0x00007ffff73e2669 in _int_malloc (av=av@entry=0x7ffff770b620 <main_arena>, bytes=bytes@entry=257) at malloc.c:3447
#5  0x00007ffff73e4080 in __GI___libc_malloc (bytes=bytes@entry=257) at malloc.c:2891
#6  0x000055555556ff62 in bip_malloc (size=size@entry=257) at src/util.c:50
#7  0x0000555555565d01 in channel_name_list (server=0x555555806010, c=c@entry=0x5555559f3ba0) at src/irc.c:129
#8  0x0000555555565f04 in irc_send_join (chan=0x5555559f3ba0, ic=<optimized out>, ic=<optimized out>) at src/irc.c:548
#9  0x0000555555568386 in irc_cli_make_join (ic=0x555555aafe60) at src/irc.c:664
#10 irc_cli_startup (bip=bip@entry=0x7fffffffb000, ic=ic@entry=0x555555aafe60, line=<optimized out>) at src/irc.c:824
#11 0x0000555555568914 in irc_cli_pass (line=<optimized out>, ic=<optimized out>, bip=<optimized out>) at src/irc.c:884
#12 irc_dispatch_loging_client (line=0x555555abcad0, ic=0x555555aafe60, bip=0x7fffffffb000) at src/irc.c:1251
#13 irc_dispatch (bip=bip@entry=0x7fffffffb000, l=l@entry=0x555555aafe60, line=line@entry=0x555555abcad0) at src/irc.c:1266
#14 0x000055555556a70f in bip_on_event (bip=bip@entry=0x7fffffffb000, conn=0x555555ab45a0) at src/irc.c:2488
#15 0x000055555556a943 in irc_main (bip=0x7fffffffb000) at src/irc.c:2563
#16 0x000055555555b3e0 in main (argc=<optimized out>, argv=<optimized out>) at src/bip.c:1323

Reporter uses revision 4eec0844.