Description of problem:

When using plain 'lvcreate'  valgrind now shows 2 left block when command is
finished - lvm2 calls documented unref() calls, so assumption is
something is left something by udev.


4,096 bytes in 1 blocks are still reachable in loss record 1 of 2
   at 0x4C2DC50: malloc (vg_replace_malloc.c:299)
   by 0x406C88F: mempool_alloc_tile (mempool.c:61)
   by 0x406C88F: mempool_alloc0_tile (mempool.c:80)
   by 0x406C88F: hashmap_base_new (hashmap.c:790)
   by 0x406C88F: hashmap_base_ensure_allocated.lto_priv.37 (hashmap.c:844)
   by 0x406B110: UnknownInlinedFun (hashmap.c:861)
   by 0x406B110: sd_device_enumerator_add_match_subsystem (device-enumerator.c:120)
   by 0x18E506: _insert_udev_dir (dev-cache.c:524)
   by 0x18E75F: _insert_dirs (dev-cache.c:583)
   by 0x18EB05: _full_scan (dev-cache.c:663)
   by 0x18FD3B: dev_iter_create (dev-cache.c:1058)
   by 0x17AEE1: lvmcache_label_scan (lvmcache.c:759)
   by 0x1DED99: _vg_read (metadata.c:3608)
   by 0x1DFFDF: vg_read_internal (metadata.c:4016)
   by 0x1E2463: _vg_lock_and_read (metadata.c:5012)
   by 0x1E27FD: vg_read (metadata.c:5112)
   by 0x1E2842: vg_read_for_update (metadata.c:5123)
   by 0x147865: lvcreate (lvcreate.c:1473)
   by 0x14EDA0: lvm_run_command (lvmcmdline.c:1655)
   by 0x150117: lvm2_main (lvmcmdline.c:2121)
   by 0x172D5D: main (lvm.c:22)

4,096 bytes in 1 blocks are still reachable in loss record 2 of 2
   at 0x4C2DC50: malloc (vg_replace_malloc.c:299)
   by 0x406C88F: mempool_alloc_tile (mempool.c:61)
   by 0x406C88F: mempool_alloc0_tile (mempool.c:80)
   by 0x406C88F: hashmap_base_new (hashmap.c:790)
   by 0x406C88F: hashmap_base_ensure_allocated.lto_priv.37 (hashmap.c:844)
   by 0x406376B: UnknownInlinedFun (hashmap.c:857)
   by 0x406376B: device_add_property_aux.constprop.12 (sd-device.c:106)
   by 0x406C995: UnknownInlinedFun (sd-device.c:142)
   by 0x406C995: device_set_syspath (sd-device.c:206)
   by 0x406CFAE: sd_device_new_from_syspath (sd-device.c:230)
   by 0x4067AFC: enumerator_scan_dir_and_add_devices.lto_priv.59 (device-enumerator.c:500)
   by 0x4067EB7: enumerator_scan_dir.lto_priv.60 (device-enumerator.c:608)
   by 0x405FEB4: enumerator_scan_devices_all (device-enumerator.c:826)
   by 0x405FEB4: device_enumerator_scan_devices (device-enumerator.c:858)
   by 0x405FEB4: udev_enumerate_scan_devices (libudev-enumerate.c:403)
   by 0x18E51A: _insert_udev_dir (dev-cache.c:525)
   by 0x18E75F: _insert_dirs (dev-cache.c:583)
   by 0x18EB05: _full_scan (dev-cache.c:663)
   by 0x18FD3B: dev_iter_create (dev-cache.c:1058)
   by 0x17AEE1: lvmcache_label_scan (lvmcache.c:759)
   by 0x1DED99: _vg_read (metadata.c:3608)
   by 0x1DFFDF: vg_read_internal (metadata.c:4016)


Version-Release number of selected component (if applicable):
systemd-227-3.fc24.x86_64

How reproducible:


Steps to Reproduce:
1. valgrind lvcreate -L10 vg
2.
3.

Actual results:


Expected results:


Additional info: