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fix(stage0): return after failed stage1 hash verification #110

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fix(stage0): return after failed stage1 hash verification #110

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5 changes: 5 additions & 0 deletions stage0/jump_stage1.c
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,11 @@ void ebldr_stage0_main(void)
if (match1 || match2) {
eos_boot_log_append(EOS_LOG_BOOT_FAIL, EOS_SLOT_NONE, 0xBAD1);
eos_recovery_enter(&bctl);
/* eos_recovery_enter() only returns if it decides to reboot rather
* than halt. Either way, a Stage-1 that just failed its integrity
* check must never be jumped into — return so the corrupted image
* is never entered. */
return;
}
eos_boot_log_append(EOS_LOG_IMAGE_VALID, EOS_SLOT_NONE, 0);
#endif
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