[libvirt] [PATCH v2] storage: Fix daemon crash on lookup storagepool by targetpath
Cole Robinson
crobinso at redhat.com
Sun Dec 22 23:07:45 UTC 2019
On 12/20/19 7:33 PM, Yi Li wrote:
> Causing a crash when storagePoolLookupByTargetPath beacuse of
> Some types of storage pool have no target elements.
> Use STREQ_NULLABLE instead of STREQ
> Avoids segfaults when using NULL arguments.
>
> Core was generated by `/usr/sbin/libvirtd'.
> Program terminated with signal 11, Segmentation fault.
> (gdb) bt
> 0 0x0000ffff9e951388 in strcmp () from /lib64/libc.so.6
> 1 0x0000ffff92103e9c in storagePoolLookupByTargetPathCallback (
> obj=0xffff7009aab0, opaque=0xffff801058b0) at storage/storage_driver.c:1649
> 2 0x0000ffff9f2c52a4 in virStoragePoolObjListSearchCb (
> payload=0xffff801058b0, name=<optimized out>, opaque=<optimized out>)
> at conf/virstorageobj.c:476
> 3 0x0000ffff9f1f2f7c in virHashSearch (ctable=0xffff800f4f60,
> iter=iter at entry=0xffff9f2c5278 <virStoragePoolObjListSearchCb>,
> data=data at entry=0xffff95af7488, name=name at entry=0x0) at util/virhash.c:696
> 4 0x0000ffff9f2c64f0 in virStoragePoolObjListSearch (pools=0xffff800f2ce0,
> searcher=searcher at entry=0xffff92103e68 <storagePoolLookupByTargetPathCallback>,
> opaque=<optimized out>) at conf/virstorageobj.c:505
> 5 0x0000ffff92101f54 in storagePoolLookupByTargetPath (conn=0xffff5c0009f0,
> path=0xffff7009a850 "/vms/images") at storage/storage_driver.c:1672
>
> Signed-off-by: Yi Li <yili at winhong.com>
Reviewed-by: Cole Robinson <crobinso at redhat.com>
and pushed now
- Cole
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