3:28 a.m.
Hi,
On Fri, Jul 19, 2019 at 03:51:42AM +0000, Rungta, Vandana wrote:
Segfault because resarray_val == 0 with status =
NFS4ERR_RETRY_UNCACHED_REP
How easily is this reproduced?
( Not mdcache this time )
That's good :)
Thanks,
-- Pasi
>
>
> Thanks,
>
> Vandana
>
>
>
> [Thread debugging using libthread_db enabled]
>
> Using host libthread_db library "/lib64/libthread_db.so.1".
>
> Core was generated by `bin/ganesha.nfsd -f etc/ganesha/ganesha.conf -p
> var/run/ganesha.pid -F'.
>
> Program terminated with signal 11, Segmentation fault.
>
> #0 0x000000000044b87d in xdr_enum (xdrs=0xaa693f0, ep=0x0) at
> /src/src/libntirpc/ntirpc/rpc/xdr_inline.h:405
>
> 405 /src/src/libntirpc/ntirpc/rpc/xdr_inline.h: No such file or
> directory.
>
> Missing separate debuginfos, use: debuginfo-install
> sgw-nfs-ganesha-2.0.108.0-1.x86_64
>
> (gdb) bt
>
> #0 0x000000000044b87d in xdr_enum (xdrs=0xaa693f0, ep=0x0) at
> /src/src/libntirpc/ntirpc/rpc/xdr_inline.h:405
>
> #1 0x0000000000453b5a in xdr_nfs_opnum4 (xdrs=0xaa693f0, objp=0x0) at
> /src/src/include/nfsv41.h:8065
>
> #2 0x0000000000454bbb in xdr_nfs_resop4 (xdrs=0xaa693f0, objp=0x0) at
> /src/src/include/nfsv41.h:8433
>
> #3 0x000000000044c1ba in xdr_array_encode (xdrs=0xaa693f0,
> cpp=0x17d9d6a0, sizep=0x17d9d698, maxsize=1024, selem=160,
> xdr_elem=0x454b98 <xdr_nfs_resop4>)
>
> at /src/src/libntirpc/ntirpc/rpc/xdr_inline.h:851
>
> #4 0x000000000044c33b in xdr_array (xdrs=0xaa693f0, cpp=0x17d9d6a0,
> sizep=0x17d9d698, maxsize=1024, selem=160, xdr_elem=0x454b98
> <xdr_nfs_resop4>)
>
> at /src/src/libntirpc/ntirpc/rpc/xdr_inline.h:894
>
> #5 0x0000000000455c1a in xdr_COMPOUND4res (xdrs=0xaa693f0,
> objp=0x17d9d680) at /src/src/include/nfsv41.h:8779
>
> #6 0x00007fd34e041e78 in svcauth_none_wrap (req=0x78bde5f0,
> xdrs=0xaa693f0) at /src/src/libntirpc/src/svc_auth_none.c:45
>
> #7 0x00007fd34e04a234 in svc_vc_reply (req=0x78bde5f0) at
> /src/src/libntirpc/src/svc_vc.c:889
>
> #8 0x00007fd34e041468 in svc_sendreply (req=0x78bde5f0) at
> /src/src/libntirpc/src/svc.c:501
>
> #9 0x0000000000458016 in nfs_rpc_process_request (reqdata=0x78bde5f0) at
> /src/src/MainNFSD/nfs_worker_thread.c:1384
>
> #10 0x000000000045859d in nfs_rpc_valid_NFS (req=0x78bde5f0) at
> /src/src/MainNFSD/nfs_worker_thread.c:1538
>
> #11 0x00007fd34e04a034 in svc_vc_decode (req=0x78bde5f0) at
> /src/src/libntirpc/src/svc_vc.c:829
>
> #12 0x000000000044b005 in nfs_rpc_decode_request (xprt=0x7aa0ac20,
> xdrs=0x442a6340) at /src/src/MainNFSD/nfs_rpc_dispatcher_thread.c:1345
>
> #13 0x00007fd34e049f45 in svc_vc_recv (xprt=0x7aa0ac20) at
> /src/src/libntirpc/src/svc_vc.c:802
>
> #14 0x00007fd34e046689 in svc_rqst_xprt_task (wpe=0x7aa0ae38) at
> /src/src/libntirpc/src/svc_rqst.c:769
>
> #15 0x00007fd34e046ae6 in svc_rqst_epoll_events (sr_rec=0x1f2e4f0,
> n_events=1) at /src/src/libntirpc/src/svc_rqst.c:941
>
> #16 0x00007fd34e046d7b in svc_rqst_epoll_loop (sr_rec=0x1f2e4f0) at
> /src/src/libntirpc/src/svc_rqst.c:1014
>
> #17 0x00007fd34e046e2e in svc_rqst_run_task (wpe=0x1f2e4f0) at
> /src/src/libntirpc/src/svc_rqst.c:1050
>
> #18 0x00007fd34e04f7f6 in work_pool_thread (arg=0x7af1a1b0) at
> /src/src/libntirpc/src/work_pool.c:181
>
> #19 0x00007fd34d06dde5 in start_thread () from /lib64/libpthread.so.0
>
> #20 0x00007fd34c974f1d in clone () from /lib64/libc.so.6
>
> (gdb) select-frame 5
>
> (gdb) print objp
>
> $1 = (COMPOUND4res *) 0x17d9d680
>
> (gdb) print *objp
>
> $2 = {status = NFS4ERR_RETRY_UNCACHED_REP, tag = {utf8string_len = 0,
> utf8string_val = 0x0}, resarray = {resarray_len = 2, resarray_val = 0x0}}
>
> (gdb)
>
>