Disable lvm2 udev rules if dmsetup splitname fails

If the output of `dmsetup splitname` cannot be trusted, the safest option is to disable all lvm2 rules.
lvmteam · Apr 3, 2022 · bedc445 · bedc445
1 parent 0cae942
commit bedc445
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/udev/11-dm-lvm.rules.in b/udev/11-dm-lvm.rules.in
@@ -18,7 +18,7 @@ ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="lvm_end"
 ENV{DM_UUID}!="LVM-?*", GOTO="lvm_end"
 
 # Use DM name and split it up into its VG/LV/layer constituents.
-IMPORT{program}="(DM_EXEC)/dmsetup splitname --nameprefixes --noheadings --rows $env{DM_NAME}"
+IMPORT{program}!="(DM_EXEC)/dmsetup splitname --nameprefixes --noheadings --rows $env{DM_NAME}", GOTO="lvm_disable"
 
 # DM_SUBSYSTEM_UDEV_FLAG0 is the 'NOSCAN' flag for LVM subsystem.
 # This flag is used to temporarily disable selected rules to prevent any