wget segfaults (busybox-1.4.1/uclibc)

[Natanael Copa]

On Wed, 2007-02-07 at 22:26 +0100, Denis Vlasenko wrote:
> On Wednesday 07 February 2007 10:33, Natanael Copa wrote:
> > Hi,
> > 
> > I just discovered that busybox wget segfaults in my
> > gentoo/hardened/uclibc environment.

more info, from gdb:

al-1.5 busybox-1.4.1 # gdb ./busybox_unstripped
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This GDB was configured as "i386-gentoo-linux-uclibc"...
Using host libthread_db library "/lib/libthread_db.so.1".
(gdb) set args wget http://
(gdb) run
Starting program: /var/tmp/portage/busybox-1.4.1-r1/work/busybox-1.4.1/busybox_unstripped wget http://
warning: Lowest section in system-supplied DSO at 0xffffe000 is .hash at ffffe0b4

Program received signal SIGSEGV, Segmentation fault.
bb_get_last_path_component (path=0x811074d "")
    at libbb/get_last_path_component.c:29
29              last[1] = 0;
(gdb) bt
#0  bb_get_last_path_component (path=0x811074d "")
    at libbb/get_last_path_component.c:29
#1  0x08096d39 in wget_main (argc=2, argv=0x810649d) at networking/wget.c:193
#2  0x080484ad in run_applet_by_name (name=0x8116a28 "F\035\017\b�k\t\b\003", 
    argc=134514459, argv=0xffab2c98) at applets/applets.c:489
#3  0x0804871b in busybox_main (argc=3, argv=0xffab2c94)
    at applets/busybox.c:143
#4  0x08048415 in run_applet_by_name (name=0xffab3b49 "busybox_unstripped", 
    argc=134513955, argv=0xffab2c94) at applets/applets.c:480
#5  0x08048523 in main (argc=-5559148, argv=0xffab2c94) at applets/busybox.c:72
(gdb)