David, during work on an other project I hit this bug, which is not fixed yet. Can to take a look, please?
Olga On Thu, Jul 18, 2013 at 12:36 AM, Roland Mainz <[email protected]> wrote: > Hi! > > ---- > > The following testcase (which should populate a type array with data) > triggers a crash in ast-ksh.2013-06-28 on SuSE 12.3/AMD64/64bit: > -- snip -- > $ gdb --args ../build_i386_64bit_debug/arch/linux.i386-64/bin/ksh -c > 'typeset -T p_t=( integer fd ; compound events=( bool pollin=false ) > revents=() ) ; compound c ; p_t -a c.p=( [0]=( fd=0 ; events=( bool > pollin=true pollout=false ) ) ) ; print -v c ' > Reading symbols from > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/arch/linux.i386-64/bin/ksh...done. > (gdb) run > Starting program: > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/arch/linux.i386-64/bin/ksh > -c typeset\ -T\ p_t=\(\ integer\ fd\ \;\ compound\ events=\(\ bool\ > pollin=false\ \)\ revents=\(\)\ \)\ \;\ compound\ c\ \;\ p_t\ -a\ > c.p=\(\ \[0\]=\(\ fd=0\ \;\ events=\(\ bool\ pollin=true\ > pollout=false\ \)\ \)\ \)\ \;\ print\ -v\ c\ > > Program received signal SIGSEGV, Segmentation fault. > __memcpy_ssse3_back () at ../sysdeps/x86_64/multiarch/memcpy-ssse3-back.S:2794 > 2794 movzwl (%rsi), %edx > (gdb) where > #0 __memcpy_ssse3_back () at > ../sysdeps/x86_64/multiarch/memcpy-ssse3-back.S:2794 > #1 0x0000000000498aa8 in clone_type (np=0x7ffff7f2de60, > mp=0x7ffff7f2e040, flags=512, fp=0x7ffff7f2f590) > at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/sh/nvtype.c:474 > #2 0x0000000000495ce9 in clone_all_disc (np=0x7ffff7f2de60, > mp=0x7ffff7f2e040, flags=512) > at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/sh/nvdisc.c:893 > #3 0x0000000000495f28 in nv_clone (np=0x7ffff7f2de60, > mp=0x7ffff7f2e040, flags=512) at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/sh/nvdisc.c:944 > #4 0x00000000004a4622 in nv_arraysettype (np=0x7ffff7f2df20, > tp=0x7ffff7f2de60, sub=0x80444a <numbuff.7456+10> "0", flags=0) > at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/sh/array.c:453 > #5 0x000000000049ca45 in nv_settype (np=0x7ffff7f2df20, > tp=0x7ffff7f2de60, flags=0) at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/sh/nvtype.c:1407 > #6 0x000000000048fe9a in setall (argv=0x7ffff7f1dc80, flag=512, > troot=0x7ffff7ee2340, tp=0x7fffffffd1f0) > at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/bltins/typeset.c:731 > #7 0x000000000048ee8a in b_typeset (argc=3, argv=0x7ffff7f1dc78, > context=0x803758 <sh+1368>) > at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/bltins/typeset.c:458 > #8 0x0000000000468caa in sh_exec (shp=0x803200 <sh>, > t=0x7ffff7f1d8a0, flags=4) at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/sh/xec.c:1357 > #9 0x000000000046bd0e in sh_exec (shp=0x803200 <sh>, > t=0x7ffff7f1dd70, flags=5) at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/sh/xec.c:2218 > #10 0x000000000040f532 in exfile (shp=0x803200 <sh>, > iop=0x7ffff7ee04d0, fno=-1) at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/sh/main.c:603 > #11 0x000000000040e77d in sh_main (ac=3, av=0x7fffffffe118, > userinit=0x0) at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/sh/main.c:375 > #12 0x000000000040d951 in main (argc=3, argv=0x7fffffffe118) at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/sh/pmain.c:45 > (gdb) up > #1 0x0000000000498aa8 in clone_type (np=0x7ffff7f2de60, > mp=0x7ffff7f2e040, flags=512, fp=0x7ffff7f2f590) > at > /home/test001/work/ast_ksh_20130628/build_i386_64bit_debug/src/cmd/ksh93/sh/nvtype.c:474 > 474 > memcpy((char*)nq->nvalue.cp,nr->nvalue.cp,size); > (gdb) print nq->nvalue.cp > $1 = 0x7ffff7f2af64 "" > (gdb) print nr->nvalue.cp > $2 = 0x1 <Address 0x1 out of bounds> > (gdb) print nr->nvalue > $3 = {cp = 0x1 <Address 0x1 out of bounds>, ip = 0x1, c = 1 '\001', i > = 1, u = 1, lp = 0x1, idp = 0x1, llp = 0x1, s = 1, sp = 0x1, dp = 0x1, > ldp = 0x1, array = 0x1, np = 0x1, > up = 0x1, rp = 0x1, funp = 0x1, nrp = 0x1, bfp = 0x1} > (gdb) print size > $4 = 2 > -- snip -- > > ---- > > Bye, > Roland > > -- > __ . . __ > (o.\ \/ /.o) [email protected] > \__\/\/__/ MPEG specialist, C&&JAVA&&Sun&&Unix programmer > /O /==\ O\ TEL +49 641 3992797 > (;O/ \/ \O;) > _______________________________________________ > ast-developers mailing list > [email protected] > http://lists.research.att.com/mailman/listinfo/ast-developers -- , _ _ , { \/`o;====- Olga Kryzhanovska -====;o`\/ } .----'-/`-/ [email protected] \-`\-'----. `'-..-| / http://twitter.com/fleyta \ |-..-'` /\/\ Solaris/BSD//C/C++ programmer /\/\ `--` `--` _______________________________________________ ast-developers mailing list [email protected] http://lists.research.att.com/mailman/listinfo/ast-developers
