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linux-user: Protect against allocation failure in load_symbols.

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Cc: malc <av1474@comtv.ru>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: malc <av1474@comtv.ru>
This commit is contained in:
Richard Henderson 2010-07-29 09:37:01 -07:00 committed by malc
parent 58f5c1eb89
commit 5d5c99300d
1 changed files with 10 additions and 0 deletions
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10
linux-user/elfload.c
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@ -1546,7 +1546,17 @@ static void load_symbols(struct elfhdr *hdr, int fd, abi_ulong load_bias)
} }
} }
/* Attempt to free the storage associated with the local symbols
that we threw away. Whether or not this has any effect on the
memory allocation depends on the malloc implementation and how
many symbols we managed to discard. */
syms = realloc(syms, nsyms * sizeof(*syms)); syms = realloc(syms, nsyms * sizeof(*syms));
if (syms == NULL) {
free(s);
free(strings);
return;
}
qsort(syms, nsyms, sizeof(*syms), symcmp); qsort(syms, nsyms, sizeof(*syms), symcmp);
s->disas_num_syms = nsyms; s->disas_num_syms = nsyms;