The Samba-Bugzilla – Attachment 6644 Details for
Bug 8276
FD_SET out of bounds access crash
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backtrace for the nmbd 3.5.9 crash
nmbd-3.5.9-backtrace.txt (text/plain), 3.04 KB, created by
Viktor Štujber
on 2011-06-29 11:12:49 UTC
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Description:
backtrace for the nmbd 3.5.9 crash
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Creator:
Viktor Štujber
Created:
2011-06-29 11:12:49 UTC
Size:
3.04 KB
patch
obsolete
>Program received signal SIGSEGV, Segmentation fault. >0x08098708 in listen_for_packets (run_election=false) at nmbd/nmbd_packets.c:1958 >1958 if (!FD_ISSET(sock_array[i],&r_fds)) { >(gdb) bt full >#0 0x08098708 in listen_for_packets (run_election=false) at nmbd/nmbd_packets.c:1958 > packet_type = NMB_PACKET > packet = (struct packet_struct *) 0x28712400 > client_port = 137 > packet_name = 0x833cddc "nmb" > client_fd = 8 > i = 8 > r_fds = {__fds_bits = {256, 0 <repeats 31 times>}} > w_fds = {__fds_bits = {0 <repeats 32 times>}} > selrtn = 1 > timeout = {tv_sec = 1, tv_usec = 0} > dns_fd = -1 > processed_packet_list = (struct processed_packet *) 0x0 > listen_set = (fd_set *) 0x28709280 > listen_number = 12 > sock_array = (int *) 0x28703100 > maxfd = 13 > __FUNCTION__ = "listen_for_packets" >#1 0x080822e1 in process () at nmbd/nmbd.c:493 > t = 1309298886 > frame = (TALLOC_CTX *) 0x28703070 > run_election = false >#2 0x0808365d in main (argc=5, argv=0xbfbfea50) at nmbd/nmbd.c:1003 > pc = 0x287041c0 > p_lmhosts = 0x0 > opt = -1 > long_options = {{longName = 0x0, shortName = 0 '\0', argInfo = 4, arg = 0x840f3a0, val = 0, > descrip = 0x8334716 "Help options:", argDescrip = 0x0}, {longName = 0x8334724 "daemon", shortName = 68 'D', > argInfo = 0, arg = 0x0, val = 1000, descrip = 0x833472b "Become a daemon(default)", argDescrip = 0x0}, { > longName = 0x8334744 "interactive", shortName = 105 'i', argInfo = 0, arg = 0x0, val = 1001, > descrip = 0x8334750 "Run interactive (not a daemon)", argDescrip = 0x0}, {longName = 0x833476f "foreground", > shortName = 70 'F', argInfo = 0, arg = 0x0, val = 1002, > descrip = 0x833477c "Run daemon in foreground (for daemontools & etc)", argDescrip = 0x0}, { > longName = 0x83347ad "no-process-group", shortName = 0 '\0', argInfo = 0, arg = 0x0, val = 1003, > descrip = 0x83347c0 "Don't create a new process group", argDescrip = 0x0}, {longName = 0x83347e1 "log-stdout", > shortName = 83 'S', argInfo = 0, arg = 0x0, val = 1004, descrip = 0x83347ec "Log to stdout", argDescrip = 0x0}, { > longName = 0x83347fa "hosts", shortName = 72 'H', argInfo = 1, arg = 0xbfbfe9e0, val = 0, > descrip = 0x8334800 "Load a netbios hosts file", argDescrip = 0x0}, {longName = 0x833481a "port", > shortName = 112 'p', argInfo = 2, arg = 0x840ae00, val = 0, descrip = 0x833481f "Listen on the specified port", > argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\0', argInfo = 4, arg = 0x840f0a0, val = 0, > descrip = 0x833483c "Common samba options:", argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\0', argInfo = 0, > arg = 0x0, val = 0, descrip = 0x0, argDescrip = 0x0}} > frame = (TALLOC_CTX *) 0x0 > is_daemon = true > opt_interactive = true > Fork = false > no_process_group = false > log_stdout = true > __FUNCTION__ = "main" > > >(gdb) p *(int(*)[50])sock_array >$13 = {8, -1, 12, 10, 9, -1, 13, 11, -401273741, 0 <repeats 41 times>}
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