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-rw-r--r--src/env/__stack_chk_fail.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/env/__stack_chk_fail.c b/src/env/__stack_chk_fail.c
index c6d0feb9..eac852b7 100644
--- a/src/env/__stack_chk_fail.c
+++ b/src/env/__stack_chk_fail.c
@@ -14,7 +14,8 @@ void __init_ssp(size_t *auxv)
for (i=0; auxv[i] && auxv[i]!=AT_RANDOM; i+=2);
if (auxv[i]) memcpy(&canary, (void *)auxv[i+1], sizeof canary);
else canary = (uintptr_t)&canary * 1103515245;
- __stack_chk_guard = self->canary = canary;
+ a_cas_l(&__stack_chk_guard, 0, canary);
+ self->canary = __stack_chk_guard;
}
void __stack_chk_fail(void)