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Double-mount prevention enhancements

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This commit is contained in:
AlexSSD7 2023-08-29 15:37:09 +01:00
commit 4706e25644
1 changed files with 6 additions and 1 deletions
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7
vm/vm.go
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@ -173,6 +173,10 @@ func NewVM(logger *slog.Logger, cfg VMConfig) (*VM, error) {
}
}
if len(cfg.PassthroughConfig.Block) != 0 {
logger.Warn("Detected raw block device passthrough, please note that it's YOUR responsibility to ensure that no device is mounted in your OS and the VM at the same time")
}
for _, dev := range cfg.PassthroughConfig.Block {
// It's always a user's responsibility to ensure that no drives are mounted
// in both host and guest system. This should serve as the last resort.
@ -183,7 +187,7 @@ func NewVM(logger *slog.Logger, cfg VMConfig) (*VM, error) {
}
if seemsMounted {
return nil, fmt.Errorf("device '%v' is already mounted in the host system", dev.Path)
return nil, fmt.Errorf("device '%v' seems to be already mounted in the host system", dev.Path)
}
}
@ -543,6 +547,7 @@ func (vm *VM) runPeriodicHostMountChecker() {
}
if seemsMounted {
_ = vm.cmd.Process.Kill()
panic(fmt.Sprintf("CRITICAL: Passed-through device '%v' appears to have been mounted on the host OS. Forcefully exiting now to prevent data corruption.", dev.Path))
}
}