When fence_scsi checks to see if a specific keys is registered for a specific device, it uses grep to look through a list of all registered keys. The existing regular expression was not specific enough, and could result in false positives. This patch fixes the problem by using anchors to make the regular expression more specific.
Resolves: rhbz#670910 Signed-off-by: Ryan O'Hara <[email protected]> --- fence/agents/scsi/fence_scsi.pl | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/fence/agents/scsi/fence_scsi.pl b/fence/agents/scsi/fence_scsi.pl index 8ddde4e..818e1d9 100644 --- a/fence/agents/scsi/fence_scsi.pl +++ b/fence/agents/scsi/fence_scsi.pl @@ -71,7 +71,7 @@ sub do_action_off ($@) log_error ("device $dev does not exist") if (! -e $dev); log_error ("device $dev is not a block device") if (! -b $dev); - my @keys = grep { /$node_key/ } get_registration_keys ($dev); + my @keys = grep { /^$node_key$/ } get_registration_keys ($dev); if (scalar (@keys) != 0) { do_preempt_abort ($host_key, $node_key, $dev); @@ -93,7 +93,7 @@ sub do_action_status ($@) log_error ("device $dev does not exist") if (! -e $dev); log_error ("device $dev is not a block device") if (! -b $dev); - my @keys = grep { /$node_key/ } get_registration_keys ($dev); + my @keys = grep { /^$node_key$/ } get_registration_keys ($dev); if (scalar (@keys) != 0) { $dev_count++; -- 1.7.3.4
