83 lines
2.6 KiB
Diff
83 lines
2.6 KiB
Diff
From 499fd37ff0c2bae1c492c3883f063a332e12ac3d Mon Sep 17 00:00:00 2001
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From: David Teigland <teigland@redhat.com>
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Date: Thu, 8 Jun 2023 12:24:05 -0500
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Subject: [PATCH 11/14] device_id: fix handling of non-PV with duplicate serial
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number
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Fix in the code that matches devices to system.devices entries when
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the devices have the same serial number. A non-PV device in
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system.devices has no pvid value, and the code was segfaulting
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when checking the null pvid value.
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(cherry picked from commit 74feebdab723c1ea46d4316f8a581750c1d8cda3)
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---
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lib/device/device_id.c | 2 ++
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test/shell/devicesfile-serial.sh | 38 ++++++++++++++++++++++++++++++++
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2 files changed, 40 insertions(+)
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diff --git a/lib/device/device_id.c b/lib/device/device_id.c
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index 7db6c9b86..e3d622ecc 100644
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--- a/lib/device/device_id.c
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+++ b/lib/device/device_id.c
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@@ -2625,6 +2625,8 @@ void device_ids_check_serial(struct cmd_context *cmd, struct dm_list *scan_devs,
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* Match du to a dev based on PVID.
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*/
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dm_list_iterate_items(dul, &dus_check) {
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+ if (!dul->du->pvid)
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+ continue;
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log_debug("Matching suspect serial device id %s PVID %s prev %s",
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dul->du->idname, dul->du->pvid, dul->du->devname);
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found = 0;
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diff --git a/test/shell/devicesfile-serial.sh b/test/shell/devicesfile-serial.sh
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index a88c1906a..a4cbd5cb2 100644
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--- a/test/shell/devicesfile-serial.sh
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+++ b/test/shell/devicesfile-serial.sh
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@@ -851,6 +851,44 @@ grep $PVID4 out4
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vgcreate $vg2 $dev2 $dev3
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vgs | grep $vg2
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+# 3 devs with duplicate serial, 2 pvs with stale devnames, 1 non-pv device
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+
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+aux wipefs_a $dev1
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+aux wipefs_a $dev2
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+aux wipefs_a $dev3
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+
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+echo $SERIAL1 > $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/serial
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+echo $SERIAL1 > $SYS_DIR/dev/block/$MAJOR2:$MINOR2/device/serial
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+echo $SERIAL1 > $SYS_DIR/dev/block/$MAJOR3:$MINOR3/device/serial
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+
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+rm $DF
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+touch $DF
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+vgcreate $vg1 $dev1 $dev2
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+lvmdevices --adddev $dev3
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+cat $DF
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+cp $DF $ORIG
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+
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+PVID1=`pvs "$dev1" --noheading -o uuid | tr -d - | awk '{print $1}'`
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+PVID2=`pvs "$dev2" --noheading -o uuid | tr -d - | awk '{print $1}'`
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+OPVID1=`pvs "$dev1" --noheading -o uuid | awk '{print $1}'`
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+OPVID2=`pvs "$dev2" --noheading -o uuid | awk '{print $1}'`
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+
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+pvs -o+uuid,deviceid
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+
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+sed -e "s|DEVNAME=$dev1|DEVNAME=tmp|" $ORIG > tmp1
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+sed -e "s|DEVNAME=$dev2|DEVNAME=$dev1|" tmp1 > tmp2
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+sed -e "s|DEVNAME=tmp|DEVNAME=$dev2|" tmp2 > $DF
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+cat $DF
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+
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+# pvs should report the correct info and fix the DF
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+pvs -o+uuid,deviceid |tee out
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+grep $dev1 out |tee out1
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+grep $dev2 out |tee out2
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+grep $OPVID1 out1
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+grep $OPVID2 out2
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+grep $SERIAL1 out1
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+grep $SERIAL1 out2
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+
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remove_base
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rmmod brd
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--
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2.41.0
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