> still exists. On all architectures I see > > test io(shcomp) failed at 2014-02-21+13:58:17 with exit code 269 [ 99 tests > 269 errors ] > > where `269' is not the number of the errors but a crash.
OK gdb found from a customers core dump:
Core was generated by `/usr/bin/ksh /users/cks00/exploit/script/cks_0act.sh
-b 1392927736'.
Program terminated with signal 11, Segmentation fault.
#0 sftrack (sp=0x25f40a7ca990, flag=4, data=0x5) at
/usr/src/debug/ksh93/src/cmd/ksh93/sh/io.c:2415
2415 if(item->strm == sp)
(gdb) list
2410 if(pp=(struct checkpt*)shp->jmplist)
2411 {
2412 struct openlist *item;
2413 for(item=pp->olist; item; item=item->next)
2414 {
2415 if(item->strm == sp)
2416 {
2417 item->strm = 0;
2418 break;
2419 }
(gdb) print item
$1 = (struct openlist *) 0x10001
(gdb) print pp->olist
value has been optimized out
(gdb) print *item
Cannot access memory at address 0x10001
(gdb) print shp->jmplist
$2 = (jmp_buf *) 0x25f40a81dcb0
(gdb) print *shp->jmplist
$3 = {{__jmpbuf = {-6, 314, -6, 316, -6, 318, -6, 320}, __mask_was_saved =
-9, __saved_mask = {__val = {0, 140588137853232, 140588140268096, 0, 0, 0,
32783537689290092,
41730078528192, 2632, 41730078115008, 1264, 0, 41730079035120, 0,
7233114627996740975, 41730078528192}}}}
(gdb) print *(struct checkpt*)shp->jmplist
$4 = {buff = {{__jmpbuf = {-6, 314, -6, 316, -6, 318, -6, 320},
__mask_was_saved = -9, __saved_mask = {__val = {0, 140588137853232,
140588140268096, 0, 0, 0, 32783537689290092,
41730078528192, 2632, 41730078115008, 1264, 0, 41730079035120, 0,
7233114627996740975, 41730078528192}}}}, prev = 0xa88, topfd = 175867072, mode
= 9716, vexi = 1201,
olist = 0x25f40a851ce0, err = {context = 0x25f40a81db78, errors = 0, flags
= 0, line = 245, warnings = 0, file = 0x0,
id = 0x25f40a81b361
"|9000\nu266699|9000\nu266699|9000\nu266699|9000\nu266699|9000\nu266699|9000\nu266699|9000\nu266699|9000\nu266699|9000\nu266699|9000\nu266699|9000\nu266699|9000\nu266699|9000\nu266699|9000\nu266699|9000\nu266699|9000"...}}
(gdb) print ((struct checkpt*)shp->jmplist)->olist
$5 = (struct openlist *) 0x25f40a851ce0
(gdb) print *((struct checkpt*)shp->jmplist)->olist
$6 = {strm = 0x25f40a7b84c0, next = 0x10001}
(gdb)
Werner
--
"Having a smoking section in a restaurant is like having
a peeing section in a swimming pool." -- Edward Burr
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