Off-by-one error: the stack address passed to clone() must be within
the region allocated.
Signed-off-by: Nathan Lynch <ntl@xxxxxxxxx>
---
ns_exec.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/ns_exec.c b/ns_exec.c
index 09574e2..1f61771 100644
--- a/ns_exec.c
+++ b/ns_exec.c
@@ -272,7 +272,7 @@ int main(int argc, char *argv[])
perror("malloc");
return -1;
}
- childstack = stack + stacksize;
+ childstack = stack + stacksize - 1;
printf("about to clone with %lx\n", flags);
flags |= SIGCHLD;
--
1.6.0.6
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