Attachment 3154 Details for Bug 3617 – valgrind report and backtrace

valgrind report and backtrace

valgrind1.txt (text/plain), 6.84 KB, created by Sebastian Held on 2008-02-29 06:16:59 UTC

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Creator: Sebastian Held

Created: 2008-02-29 06:16:59 UTC

Size: 6.84 KB

patch

obsolete

>==27446== Syscall param write(buf) points to uninitialised byte(s)
>==27446==    at 0x4A7D903: __write_nocancel (in /lib/libc-2.5.so)
>==27446==    by 0xA56BA: write_data (util_sock.c:556)
>==27446==    by 0x1FD60: write_child (asyncdns.c:187)
>==27446==    by 0x1FDB7: queue_dns_query (asyncdns.c:295)
>==27446==    by 0x3BFD8: wins_process_name_query_request (nmbd_winsserver.c:1958)
>==27446==    by 0x2FC51: run_packet_queue (nmbd_packets.c:1505)
>==27446==    by 0x21934: main (nmbd.c:394)
>==27446==  Address 0xbeb54a6c is on thread 1's stack
>==27446==
>==27446== ---- Attach to debugger ? --- [Return/N/n/Y/y/C/c] ---- y
>==27446== starting debugger with cmd: xterm -e /usr/bin/gdb -nw /proc/28842/fd/1024 28842
>
>(gdb) bt full
>#0  0x040008b2 in ?? ()
>No symbol table info available.
>#1  0x04a7d903 in ?? ()
>No symbol table info available.
>#2  0x000f2ff4 in ?? ()
>No symbol table info available.
>#3  0x000911cb in sys_write (fd=8, buf=0xbeb54a18, count=88)
>    at lib/system.c:140
>        ret = 0
>#4  0x000a56bb in write_data (fd=8, buffer=0xbeb54a18 "BASHIR", N=88)
>    at lib/util_sock.c:556
>        total = 0
>        ret = <value optimized out>
>        __FUNCTION__ = "write_data"
>#5  0x0001fd61 in write_child (p=<value optimized out>) at nmbd/asyncdns.c:187
>        r = {name = {name = "BASHIR\000\000\000\000\000\000\000\000\000",
>    scope = '\0' <repeats 63 times>, name_type = 32}, result = {s_addr = 0}}
>#6  0x0001fdb8 in queue_dns_query (p=0x4f81d78, question=0x4f81dcc)
>    at nmbd/asyncdns.c:295
>        __FUNCTION__ = "queue_dns_query"
>#7  0x0003bfd9 in wins_process_name_query_request (subrec=0x4d4f9d8,
>    p=0x4f81d78) at nmbd/nmbd_winsserver.c:1958
>        question = (struct nmb_name *) 0x4f81dcc
>        namerec = (struct name_record *) 0x0
>        qname = "BASHIR\000\000ï¿½\017\000\030Kï¿½ï¿½|ï¿½002\000x\035ï¿½004", '\0' <repeats 20 times>, "\230\035ï¿½004", '\0' <repeats 15 times>
>        __FUNCTION__ = "wins_process_name_query_request"
>#8  0x0002fc52 in run_packet_queue () at nmbd/nmbd_packets.c:1505
>        p = (struct packet_struct *) 0x4f81d78
>#9  0x00021935 in main (argc=1213415746, argv=0xbeb55154) at nmbd/nmbd.c:394
>        logfile = "/var/log/samba/log.nmbd\000ï¿½ï¿½ï¿½\000\000\000\000\000\000\000\000\001\000\000\000u\003\000\000\200\205ï¿½004ï¿½ï¿½233\004scï¿½\004\234\230\235\004\220Qï¿½\004\001\000\000\000ï¿½001\004\030ï¿½233\004\214Mï¿½ï¿½ï¿½Mï¿½ï¿½e\233\000\004\220Qï¿½\004\214Mï¿½ï¿½\\ï¿½001\004\016\000\000\000\200\205ï¿½004\001\000\000\000\000\000\000\000\001\000\000\000x/vgpreload_core.so\000\230Mï¿½ï¿½/locï¿½ï¿½ï¿½Xï¿½233\004scï¿½\004ind\001Wï¿½223\034\000\000\000\000x/vgpreload_0\204ï¿½\004\004\000\000\024 \026ï¿½\004", '\0' <repeats 32 times>...
>        pc = <value optimized out>
>        long_options = {{longName = 0x0, shortName = 0 '\0', argInfo = 4,
>    arg = 0x48b60e0, val = 0, descrip = 0xc5a67 "Help options:",
>    argDescrip = 0x0}, {longName = 0xc5a75 "daemon", shortName = 68 'D',
>    argInfo = 7, arg = 0xfa3a8, val = 1,
>    descrip = 0xc5a7c "Become a daemon(default)", argDescrip = 0x0}, {
>    longName = 0xc5a95 "interactive", shortName = 105 'i', argInfo = 7,
>    arg = 0xfa39c, val = 1,
>    descrip = 0xc5ca0 "Run interactive (not a daemon)", argDescrip = 0x0}, {
>    longName = 0xc5aa1 "foreground", shortName = 70 'F', argInfo = 7,
>    arg = 0xf3484, val = 0,
>    descrip = 0xc5cc0 "Run daemon in foreground (for daemontools & etc)",
>    argDescrip = 0x0}, {longName = 0xc5aac "no-process-group",
>    shortName = 0 '\0', argInfo = 7, arg = 0xfa398, val = 1,
>    descrip = 0xc5cf4 "Don't create a new process group", argDescrip = 0x0}, {
>    longName = 0xc5abd "log-stdout", shortName = 83 'S', argInfo = 7,
>    arg = 0xfa3ac, val = 1, descrip = 0xc5ac8 "Log to stdout",
>    argDescrip = 0x0}, {longName = 0xd038a "hosts", shortName = 72 'H',
>    argInfo = 1, arg = 0xf3488, val = 72,
>    descrip = 0xc5ad6 "Load a netbios hosts file", argDescrip = 0x0}, {
>    longName = 0xc5b08 "port", shortName = 112 'p', argInfo = 2,
>    arg = 0xf3480, val = 137,
>    descrip = 0xc5af0 "Listen on the specified port", argDescrip = 0x0}, {
>    longName = 0x0, shortName = 0 '\0', argInfo = 4, arg = 0xfa180, val = 0,
>    descrip = 0xc5b0d "Common samba options:", argDescrip = 0x0}, {
>    longName = 0x0, shortName = 0 '\0', argInfo = 0, arg = 0x0, val = 0,
>    descrip = 0x0, argDescrip = 0x0}}
>        opt_interactive = 0
>        p_lmhosts = 0xf3ca0 "/etc/samba/lmhosts"
>        no_process_group = 0
>        __FUNCTION__ = "main"
>(gdb) frame 8
>#8  0x0002fc52 in run_packet_queue () at nmbd/nmbd_packets.c:1505
>1505                                                    wins_process_name_query_request(subrec, p);
>(gdb) p *p
>$1 = {next = 0x0, prev = 0x0, locked = 0, ip = {s_addr = 341465990},
>  port = 137, fd = 11, timestamp = 1204110669, packet_type = NMB_PACKET,
>  packet = {nmb = {header = {name_trn_id = 33567, opcode = 0, response = 0,
>        nm_flags = {bcast = 0, recursion_available = 0, recursion_desired = 1,
>          trunc = 0, authoritative = 0}, rcode = 0, qdcount = 1, ancount = 0,
>        nscount = 0, arcount = 0}, question = {question_name = {
>          name = "BASHIR\000\000\000\000\000\000\000\000\000",
>          scope = '\0' <repeats 63 times>, name_type = 32},
>        question_type = 32, question_class = 1}, answers = 0x0, nsrecs = 0x0,
>      additional = 0x0}, dgram = {header = {msg_type = 33567, flags = {
>          node_type = B_NODE, first = 0, more = 0}, dgm_id = 0, source_ip = {
>          s_addr = 1}, source_port = 0, dgm_length = 0, packet_offset = 0},
>      source_name = {name = "\001", '\0' <repeats 14 times>,
>        scope = "BASHIR", '\0' <repeats 57 times>, name_type = 0},
>      dest_name = {name = '\0' <repeats 12 times>, " \000\000",
>        scope = " \000\000\000\001", '\0' <repeats 58 times>, name_type = 0},
>      datasize = 0, data = '\0' <repeats 575 times>}}}
>(gdb) frame 7
>#7  0x0003bfd9 in wins_process_name_query_request (subrec=0x4d4f9d8,
>    p=0x4f81d78) at nmbd/nmbd_winsserver.c:1958
>1958                    queue_dns_query(p, question);
>(gdb) p *subrec
>$2 = {next = 0x0, prev = 0x0, subnet_name = 0x4d4fa40 "WINS_SERVER_SUBNET",
>  type = WINS_SERVER_SUBNET, workgrouplist = 0x0, namelist = 0x4f7efd8,
>  responselist = 0x0, namelist_changed = 0, work_changed = 0, bcast_ip = {
>    s_addr = 0}, mask_ip = {s_addr = 0}, myip = {s_addr = 0}, nmb_sock = -1,
>  dgram_sock = -1}
>(gdb) frame 6
>#6  0x0001fdb8 in queue_dns_query (p=0x4f81d78, question=0x4f81dcc)
>    at nmbd/asyncdns.c:295
>295                     if (!write_child(p)) {
>(gdb) p *question
>$3 = {name = "BASHIR\000\000\000\000\000\000\000\000\000",
>  scope = '\0' <repeats 63 times>, name_type = 32}
>(gdb) frame 5
>#5  0x0001fd61 in write_child (p=<value optimized out>) at nmbd/asyncdns.c:187
>187             return write_data(fd_out, (char *)&r, sizeof(r)) == sizeof(r);
>(gdb) p r
>$4 = {name = {name = "BASHIR\000\000\000\000\000\000\000\000\000",
>    scope = '\0' <repeats 63 times>, name_type = 32}, result = {s_addr = 0}}

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