Or fail by setting the cell's state and halt.
Signed-off-by: Ralf Ramsauer <[email protected]>
---
inmates/lib/setup.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/inmates/lib/setup.c b/inmates/lib/setup.c
index 5af94fc8..64e749b1 100644
--- a/inmates/lib/setup.c
+++ b/inmates/lib/setup.c
@@ -4,6 +4,14 @@ void __attribute__((noreturn)) c_entry(void);
void __attribute__((noreturn)) c_entry(void)
{
- inmate_main();
+ /* check if the ABI version of the communication region matches */
+ if (comm_region->revision != COMM_REGION_ABI_REVISION ||
+ memcmp(comm_region->signature, COMM_REGION_MAGIC,
+ sizeof(comm_region->signature))) {
+ comm_region->cell_state = JAILHOUSE_CELL_FAILED_COMM_REV;
+ } else {
+ inmate_main();
+ }
+
stop();
}
--
2.17.0
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