On 05/09/06 16:46 +0530, Y Giridhar Appaji Nag - Debian said ...
>
> try to figure out which package the request_login function is from and
> then send in more updates.
[snip...]
Breakpoint 7, request_login (server=0x80ad750 "mail.appaji.net", user=0x80a9f70
"[EMAIL PROTECTED]", pass=0x80a20c0 "", port=0, ssl=0x80a9fb0 "tls1")
at request.c:51
51 if ((s = session_find(server, user)))
$80 = 0
block freed twice
Program received signal SIGABRT, Aborted.
0x401d29e7 in raise () from /lib/tls/libc.so.6
(gdb) bt
#0 0x401d29e7 in raise () from /lib/tls/libc.so.6
#1 0x401d431b in abort () from /lib/tls/libc.so.6
#2 0x40209365 in __fsetlocking () from /lib/tls/libc.so.6
#3 0x402093a4 in __libc_fatal () from /lib/tls/libc.so.6
#4 0x40214bc7 in __default_morecore () from /lib/tls/libc.so.6
#5 0x4021541c in mcheck_check_all () from /lib/tls/libc.so.6
#6 0x4020fe55 in free () from /lib/tls/libc.so.6
#7 0x0804d666 in xfree (ptr=0xbffff698) at memory.c:54
#8 0x0804a9ca in check_cert (pcert=0x80dda30,
pmd=0xbffff688 "[EMAIL PROTECTED]",
pmdlen=0xbffff684) at cert.c:126
#9 0x0804a7ce in get_cert (ssn=0x0) at cert.c:46
#10 0x0804fa6b in open_secure_connection (ssn=0x80a9818, protocol=0x80a9fb0
"tls1") at socket.c:115
#11 0x0804f95a in open_connection (ssn=0x80a9818, server=0x80ad750
"mail.appaji.net", port=993, sprotocol=0x80a9fb0 "tls1") at socket.c:67
#12 0x0804db93 in request_login (server=0x80ad750 "mail.appaji.net",
user=0x80a9f70 "[EMAIL PROTECTED]", pass=0x80a20c0 "", port=993, ssl=0x80a9fb0
"tls1")
at request.c:69
#13 0x0804ada4 in ifcore_login (lua=0x809a420) at core.c:100
#14 0x40051d41 in luaD_precall (L=0x809a420, func=0x8099298) at ldo.c:260
#15 0x4006200a in luaV_execute (L=0x809a420) at lvm.c:627
#16 0x400522ae in luaD_call (L=0x809a420, func=0x809925c, nResults=-1) at
ldo.c:313
#17 0x4004c8a6 in f_call (L=0x809a420, ud=0x0) at lapi.c:672
#18 0x40051923 in luaD_rawrunprotected (L=0x809a420, f=0x4004c880 <f_call>,
ud=0xbffffa54) at ldo.c:88
#19 0x4005290c in luaD_pcall (L=0x809a420, func=0x4004c880 <f_call>,
u=0xbffffa54, old_top=0, ef=0) at ldo.c:416
#20 0x4004dce8 in lua_pcall (L=0x809a420, nargs=0, nresults=0, errfunc=0) at
lapi.c:685
#21 0x0804cfb6 in start_lua () at lua.c:61
#22 0x0804c91c in main (argc=4, argv=0xbffffb44) at imapfilter.c:114
(gdb) f 8
#8 0x0804a9ca in check_cert (pcert=0x80dda30,
pmd=0xbffff688 "[EMAIL PROTECTED]",
pmdlen=0xbffff684) at cert.c:126
126 xfree(certf);
(gdb) l
121 }
122
123 fclose(fd);
124 X509_free(cert);
125
126 xfree(certf);
127
128 return r;
129 }
130
(gdb) l check_cert
[snip...]
95
96 if (!exists_file(certf))
97 return 0;
98
99 fd = fopen(certf, "r");
(gdb)
100
101 xfree(certf);
102
103 if (fd == NULL)
104 return -1;
[snip...]
122
123 fclose(fd);
124 X509_free(cert);
125
126 xfree(certf);
So the problem here is that we are xfree-ing certf twice, once at line
101 and again on line 126.
Giridhar
--
Y Giridhar Appaji Nag | http://www.appaji.net/
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