[Bugs] [Bug 1647651] New: gfapi: fix bad dict setting of lease-id

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1647651

            Bug ID: 1647651
           Summary: gfapi: fix bad dict setting of lease-id
           Product: GlusterFS
           Version: mainline
         Component: libgfapi
          Assignee: bugs at gluster.org
          Reporter: kinglongmee at gmail.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org



Description of problem:

lease_id is a 16 bits opaque data, copying it by gf_strdup is wrong.

Invalid read of size 2
   at 0x483FA2F: memmove (vg_replace_strmem.c:1270)
   by 0xE2EF6FB: ??? (in /usr/lib64/libtirpc.so.3.0.0)
   by 0xE2EE047: xdr_opaque (in /usr/lib64/libtirpc.so.3.0.0)
   by 0x107A97DC: xdr_gfx_value (glusterfs4-xdr.c:207)
   by 0x107A98C0: xdr_gfx_dict_pair (glusterfs4-xdr.c:321)
   by 0xE2EF35E: xdr_array (in /usr/lib64/libtirpc.so.3.0.0)
   by 0x107A9A89: xdr_gfx_dict (glusterfs4-xdr.c:335)
   by 0x107AA97B: xdr_gfx_write_req (glusterfs4-xdr.c:897)
   by 0x107A181E: xdr_serialize_generic (xdr-generic.c:25)
   by 0x231044A2: client_submit_request (client.c:205)
   by 0x2314D3C1: client4_0_writev (client-rpc-fops_v2.c:3863)
   by 0x230FD5FA: client_writev (client.c:956)
 Address 0xad659e18 is 72 bytes inside a block of size 73 alloc'd
   at 0x483880B: malloc (vg_replace_malloc.c:299)
   by 0x106BA7EC: __gf_malloc (mem-pool.c:136)
   by 0x1064521E: gf_strndup (mem-pool.h:166)
   by 0x1064521E: gf_strdup (mem-pool.h:183)
   by 0x1064521E: get_fop_attr_thrd_key (glfs.c:627)
   by 0x1064D8E9: glfs_pwritev@@GFAPI_3.4.0 (glfs-fops.c:1154)
   by 0x10610C0C: glusterfs_write2 (handle.c:2092)
   by 0x54D30C: mdcache_write2 (mdcache_file.c:647)
   by 0x48A3FC: nfs4_write (nfs4_op_write.c:459)
   by 0x48A44D: nfs4_op_write (nfs4_op_write.c:487)
   by 0x4634F5: nfs4_Compound (nfs4_Compound.c:947)
   by 0x460155: nfs_rpc_process_request (nfs_worker_thread.c:1329)
   by 0x4608A3: nfs_rpc_valid_NFS (nfs_worker_thread.c:1539)
   by 0x488F12F: svc_vc_decode (svc_vc.c:825)

Version-Release number of selected component (if applicable):


How reproducible:


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Expected results:


Additional info:

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