diff options
| author | Andrey Konovalov <andreyknvl@google.com> | 2020-07-21 14:26:17 +0200 |
|---|---|---|
| committer | Andrey Konovalov <andreyknvl@gmail.com> | 2020-07-21 16:47:38 +0200 |
| commit | a688ac13532252c1125ae8af6a190531d618ed8a (patch) | |
| tree | 7cc0316c3c927dbc5ba7f649b4878a31a4a12065 /sys/linux/init.go | |
| parent | e562dd8adff015d44bec3d7fd8e6608a3a031ff3 (diff) | |
sys/linux: disable SNAPSHOT_POWER_OFF
It causes shutdowns.
Diffstat (limited to 'sys/linux/init.go')
| -rw-r--r-- | sys/linux/init.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/linux/init.go b/sys/linux/init.go index f7525583b..928ba17e5 100644 --- a/sys/linux/init.go +++ b/sys/linux/init.go @@ -24,6 +24,7 @@ func InitTarget(target *prog.Target) { FIFREEZE: target.GetConst("FIFREEZE"), FITHAW: target.GetConst("FITHAW"), SNAPSHOT_FREEZE: target.GetConst("SNAPSHOT_FREEZE"), + SNAPSHOT_POWER_OFF: target.GetConst("SNAPSHOT_POWER_OFF"), EXT4_IOC_SHUTDOWN: target.GetConst("EXT4_IOC_SHUTDOWN"), EXT4_IOC_RESIZE_FS: target.GetConst("EXT4_IOC_RESIZE_FS"), EXT4_IOC_MIGRATE: target.GetConst("EXT4_IOC_MIGRATE"), @@ -122,6 +123,7 @@ type arch struct { FIFREEZE uint64 FITHAW uint64 SNAPSHOT_FREEZE uint64 + SNAPSHOT_POWER_OFF uint64 EXT4_IOC_SHUTDOWN uint64 EXT4_IOC_RESIZE_FS uint64 EXT4_IOC_MIGRATE uint64 @@ -242,6 +244,9 @@ func (arch *arch) neutralizeIoctl(c *prog.Call) { case arch.SNAPSHOT_FREEZE: // SNAPSHOT_FREEZE freezes all processes and leaves the machine dead. cmd.Val = arch.FITHAW + case arch.SNAPSHOT_POWER_OFF: + // SNAPSHOT_POWER_OFF shuts down the machine. + cmd.Val = arch.FITHAW case arch.EXT4_IOC_SHUTDOWN: // EXT4_IOC_SHUTDOWN on root fs effectively brings the machine down in weird ways. // Fortunately, the value does not conflict with any other ioctl commands for now. |