#2322 sfcb SEGV fault in objectImpl.c:131 (ClObjectGetClString)

[Sarabjit S Saini]

I was using sfcb-1.3.10-51.ppcnf

Program terminated with signal 11, Segmentation fault.
#0 0x0ff1fdb4 in ClObjectGetClString (hdr=0x10021ef8, id=0x3082b688) at objectImpl.c:131
131 objectImpl.c: No such file or directory.
in objectImpl.c
(gdb) BT
**NOTE: debug frames are hidden in bt display**
#0 0x0ff1fdb4 in ClObjectGetClString (hdr=0x10021ef8, id=0x3082b688) at objectImpl.c:131
#1 0x0ff1fe70 in ClObjectGetClObject (hdr=0x10021ef8, id=0x3082b688) at objectImpl.c:136
#2 0x0ff2b268 in ClArgsGetArgAt (arg=0x10021ef8, id=2, data=0x3082b680, name=0x0) at objectImpl.c:2388
#3 0x0ff04be4 in __aft_getArgAt (args=0x1002e930, i=2, name=0x0, rc=0x0) at args.c:130
#4 0x0ff0c378 in invokeMethod (broker=0xff787e8, context=0x10026f00, cop=0x1003c868, method=0xf90628c "", in=0x1002e930, out=0x0,
rc=0x3082b8f0) at brokerUpc.c:1028
#5 0x0f9043b8 in InteropProviderInvokeMethod (mi=0xf916988, ctx=0x10026f00, rslt=0x10020800, ref=0x10022fa0, methodName=0x1002301c "_deliver",
in=0x1003df78, out=0x10021e38) at interopProvider.c:1155
#6 0x0ff4344c in invokeMethod (hdr=0x10022f40, info=0x10020728, requestor=-54) at providerDrv.c:1521
#7 0x0ff4c9c4 in processProviderInvocationRequestsThread (prms=0x10020698) at providerDrv.c:2807
#8 0x0fd8caec in start_thread (arg=<value optimized out>) at pthread_create.c:308
#9 0x0fcdb8fc in clone () from /opt/mcp/ppcnf/crossroot/lib/libc.so.6
(gdb)
**NOTE: debug frames are hidden in bt display**
#0 0x0ff1fdb4 in ClObjectGetClString (hdr=0x10021ef8, id=0x3082b688) at objectImpl.c:131
#1 0x0ff1fe70 in ClObjectGetClObject (hdr=0x10021ef8, id=0x3082b688) at objectImpl.c:136
#2 0x0ff2b268 in ClArgsGetArgAt (arg=0x10021ef8, id=2, data=0x3082b680, name=0x0) at objectImpl.c:2388
#3 0x0ff04be4 in __aft_getArgAt (args=0x1002e930, i=2, name=0x0, rc=0x0) at args.c:130
#4 0x0ff0c378 in invokeMethod (broker=0xff787e8, context=0x10026f00, cop=0x1003c868, method=0xf90628c "", in=0x1002e930, out=0x0,
rc=0x3082b8f0) at brokerUpc.c:1028
#5 0x0f9043b8 in InteropProviderInvokeMethod (mi=0xf916988, ctx=0x10026f00, rslt=0x10020800, ref=0x10022fa0, methodName=0x1002301c "_deliver",
in=0x1003df78, out=0x10021e38) at interopProvider.c:1155
#6 0x0ff4344c in invokeMethod (hdr=0x10022f40, info=0x10020728, requestor=-54) at providerDrv.c:1521
#7 0x0ff4c9c4 in processProviderInvocationRequestsThread (prms=0x10020698) at providerDrv.c:2807
#8 0x0fd8caec in start_thread (arg=<value optimized out>) at pthread_create.c:308
#9 0x0fcdb8fc in clone () from /opt/mcp/ppcnf/crossroot/lib/libc.so.6
(gdb) p buf
$1 = (ClStrBuf *) 0x1005f250
(gdb) p *buf
$2 = {iUsed = 6, iMax = 32784, indexOffset = 265767880, indexPtr = 0x1003ab90, bUsed = 5349, bMax = 8192, buf = "i"}
(gdb) p id
$3 = (ClString *) 0x3082b688
(gdb) p hdr
$4 = (ClObjectHdr *) 0x10021ef8
(gdb) p *id
$5 = {id = 268847096}
(gdb) p *hdr
$6 = {size = 0, flags = 21, type = 4, {strBufOffset = 268825168, strBuffer = 0x1005f250}, {arrayBufOffset = 0, arrayBuffer = 0x0}}
(gdb) p buf->buf
$7 = "i"
(gdb) p buf->indexPtr
$8 = (int *) 0x1003ab90
(gdb) p *buf->indexPtr
$9 = 0

[Narasimha Sharoff]

This problem looks familiar and looks like it is addressed as part of bug fixing for another issue.
Attached is the back ported version of patch back. Give it a try.

[Narasimha Sharoff]

3471814-75997-withoutalignment

[Sarabjit S Saini]

Could you please provide the patch over sfcb-1.3.12-52.ppcnf.

This is the latest sfcb version we have running on our newer drivers.

[Narasimha Sharoff]

The patch attached below works with SF CVS version of 1.3.12 as well.

[Narasimha Sharoff]

patch applied to cvs head

[Chris Buccella]

committed to git Apr 3