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[Bug libc/14376] glibc-2.16 strdup Illegal Instruction on sparc64
- From: "jengelh at inai dot de" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Mon, 17 Sep 2012 08:15:17 +0000
- Subject: [Bug libc/14376] glibc-2.16 strdup Illegal Instruction on sparc64
- Auto-submitted: auto-generated
- References: <bug-14376-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=14376
Jan Engelhardt <jengelh at inai dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |ASSIGNED
--- Comment #4 from Jan Engelhardt <jengelh at inai dot de> 2012-09-17 08:15:17 UTC ---
__strdup (s=0x1008e0 "") at strdup.c:40
40 {
(gdb)
41 size_t len = strlen (s) + 1;
(gdb) n
42 void *new = malloc (len);
(gdb) p len
$3 = 1
(gdb) n
44 if (new == NULL)
(gdb)
47 return (char *) memcpy (new, s, len);
(gdb) si
0xfffff80100099f08 47 return (char *) memcpy (new, s, len);
(gdb)
0xfffff8010026f4a0 in _Qp_xtoq@plt () from ./libc.so.6
(gdb) disas
Dump of assembler code for function _Qp_xtoq@plt:
0xfffff8010026f460 <+0>: b,a 0xfffff8010013a840 <_Qp_xtoq>
0xfffff8010026f464 <+4>: b,a %xcc, 0xfffff8010026f320
0xfffff8010026f468 <+8>: nop
0xfffff8010026f46c <+12>: nop
0xfffff8010026f470 <+16>: nop
0xfffff8010026f474 <+20>: nop
0xfffff8010026f478 <+24>: nop
0xfffff8010026f47c <+28>: nop
0xfffff8010026f480 <+32>: illtrap 0
0xfffff8010026f484 <+36>: illtrap 0x45804
0xfffff8010026f488 <+40>: nop
0xfffff8010026f48c <+44>: nop
0xfffff8010026f490 <+48>: nop
0xfffff8010026f494 <+52>: nop
0xfffff8010026f498 <+56>: nop
0xfffff8010026f49c <+60>: nop
=> 0xfffff8010026f4a0 <+64>: illtrap 0
0xfffff8010026f4a4 <+68>: illtrap 0xa0b20
0xfffff8010026f4a8 <+72>: nop
0xfffff8010026f4ac <+76>: nop
0xfffff8010026f4b0 <+80>: nop
0xfffff8010026f4b4 <+84>: nop
0xfffff8010026f4b8 <+88>: nop
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb) si
Program received signal SIGILL, Illegal instruction.
0xfffff8010026f4a0 in _Qp_xtoq@plt () from ./libc.so.6
(gdb)
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