On Wed, Oct 29, 2014 at 11:21:37PM +0100, Rabin Vincent wrote:
> Attempting to run the sandbox leads to a segfault, because some dynamic
> libraries (outside of u-boot) attempt to use malloc() to allocate memory
> before u-boot's gd variable is initialized.
>
> Check for gd not being NULL in the SYS_MALLOC_F_LEN handling, so that
> malloc() doesn't crash when called at this point.
>
> $ gdb -q --args ./u-boot
> (gdb) r
> Program received signal SIGSEGV, Segmentation fault.
> 0x0000000000412b9b in malloc (bytes=bytes@entry=37) at common/dlmalloc.c:2184
> 2184 if (!(gd->flags & GD_FLG_RELOC)) {
> (gdb) p gd
> $1 = (gd_t *) 0x0
> (gdb) bt
> #0 0x0000000000412b9b in malloc (bytes=bytes@entry=37) at
> common/dlmalloc.c:2184
> #1 0x00007ffff75bf8e1 in set_binding_values (domainname=0x7ffff11f4f12
> "libgpg-error", dirnamep=0x7fffffffe168, codesetp=0x0)
> at bindtextdom.c:228
> #2 0x00007ffff75bfb4c in set_binding_values (codesetp=0x0,
> dirnamep=0x7fffffffe168, domainname=<optimized out>) at bindtextdom.c:350
> #3 __bindtextdomain (domainname=<optimized out>, dirname=0x7ffff11f4f00
> "/usr/share/locale") at bindtextdom.c:348
> #4 0x00007ffff11eca17 in ?? () from /lib/x86_64-linux-gnu/libgpg-error.so.0
> #5 0x00007ffff7dea9fa in call_init (l=<optimized out>, argc=argc@entry=1,
> argv=argv@entry=0x7fffffffe208,
> env=env@entry=0x7fffffffe218) at dl-init.c:78
> #6 0x00007ffff7deaae3 in call_init (env=0x7fffffffe218,
> argv=0x7fffffffe208, argc=1, l=<optimized out>) at dl-init.c:36
> #7 _dl_init (main_map=0x7ffff7ffe1a8, argc=1, argv=0x7fffffffe208,
> env=0x7fffffffe218) at dl-init.c:126
> #8 0x00007ffff7ddd1ca in _dl_start_user () from /lib64/ld-linux-x86-64.so.2
>
> Signed-off-by: Rabin Vincent <ra...@rab.in>
> Acked-by: Simon Glass <s...@chromium.org>Applied to u-boot/master, thanks! -- Tom
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