[Mauiusers] segfault in x86_64 maui build
garrick at usc.edu
Tue Nov 2 23:00:02 MST 2004
I'm trying to setup a new job chain on an x86_64 box, but I'm getting a
segfault in the SHA1 code when trying to contact qbank.
I assume the problem is between #29 and #28 below. The 3rd arg to
MAMQBDoCommand is the same as the 1st arg to MSecGetChecksum, but it is getting
stepped on somewhere. Stepping through it, I see that Transaction in
MAMQBDoCommand() is fine right up until the call to MSecGetChecksum(), but then
Buf is immediately junk. I guess the stack is getting smashed before #29?
*shrug* This is over my head now.
Thanks in advance!
(gdb) set args -d
Starting program: /usr/bin/maui -d
Program received signal SIGSEGV, Segmentation fault.
0x00000000004a705b in __MSecSHA1Transform (state=0x7fbfe69e40, buffer=0x0) at MSec.c:710
710 } /* END __MSecSHA1Transform() */
#0 0x00000000004a705b in __MSecSHA1Transform (state=0x7fbfe69e40, buffer=0x0) at MSec.c:710
#1 0x0000003000000020 in ?? ()
#2 0x0000007fbfe6a230 in ?? ()
#3 0x0000007fbfe6a170 in ?? ()
#24 0x00000000009ac2d4 in MAM ()
#25 0x0000000000000019 in ?? ()
#26 0x0000007fbfe6b6f0 in ?? ()
#27 0x0000000000000000 in ?? ()
#28 0x00000000004a478f in MSecGetChecksum (Buf=0x19 <Address 0x19 out of bounds>, BufSize=0,
Checksum=0x7fbfe6cec0 "COMMAND=version AUTH=root", Digest=0x4206e9 "¸\001", Algo=10142420,
CSKeyString=0x7fbfe6b6f0 "") at MSec.c:209
#29 0x0000000000430540 in MAMQBDoCommand (A=0x9ac240, CmdIndex=0,
Transaction=0x7fbfe6cec0 "COMMAND=version AUTH=root", E=0x7fbfe6b6f0, SC=0x7fbfe6c9fc,
Response=0x7fbfe6cac0 "") at MAM.c:2937
#30 0x000000000042ce9a in MAMInitialize (AS=0x0) at MAM.c:157
#31 0x000000000049d14b in MSysStartServer (IsFBServer=33295056) at MSys.c:2715
#32 0x000000000040380e in main (ArgC=2, ArgV=0x7fbfe6d320) at Server.c:138
Garrick Staples, Linux/HPCC Administrator
University of Southern California
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