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authorJiffin Tony Thottan <jthottan@redhat.com>2017-08-07 23:47:00 +0530
committerNiels de Vos <ndevos@redhat.com>2017-08-08 08:30:58 +0000
commit111d6bda9259126b0429113c9b8ba479958a4398 (patch)
treeeb557e749baa817d43c43e5c170c18af18eb3685 /xlators/storage
parentbead74a6e085001225bc0704bad1a5db36dd75a1 (diff)
nfs : add NULL check for call state in nfs3_call_state_wipe
Refcounting added for nfs call state in https://review.gluster.org/17696. This is based on assumption that call state won't NULL when it is freed. But currently gluster nfs server is crashing in different scenarios at nfs3_getattr() with following bt #0 0x00007ff1cfea9205 in _gf_ref_put (ref=ref@entry=0x0) at refcount.c:36 #1 0x00007ff1c1997455 in nfs3_call_state_wipe (cs=cs@entry=0x0) at nfs3.c:559 #2 0x00007ff1c1998931 in nfs3_getattr (req=req@entry=0x7ff1bc0b26d0, fh=fh@entry=0x7ff1c2f76ae0) at nfs3.c:962 #3 0x00007ff1c1998c8a in nfs3svc_getattr (req=0x7ff1bc0b26d0) at nfs3.c:987 #4 0x00007ff1cfbfd8c5 in rpcsvc_handle_rpc_call (svc=0x7ff1bc03e500, trans=trans@entry=0x7ff1bc0c8020, msg=<optimized out>) at rpcsvc.c:695 #5 0x00007ff1cfbfdaab in rpcsvc_notify (trans=0x7ff1bc0c8020, mydata=<optimized out>, event=<optimized out>, data=<optimized out>) at rpcsvc.c:789 #6 0x00007ff1cfbff9e3 in rpc_transport_notify (this=this@entry=0x7ff1bc0c8020, event=event@entry=RPC_TRANSPORT_MSG_RECEIVED, data=data@entry=0x7ff1bc0038d0) at rpc-transport.c:538 #7 0x00007ff1c4a2e3d6 in socket_event_poll_in (this=this@entry=0x7ff1bc0c8020, notify_handled=<optimized out>) at socket.c:2306 #8 0x00007ff1c4a3097c in socket_event_handler (fd=21, idx=9, gen=19, data=0x7ff1bc0c8020, poll_in=1, poll_out=0, poll_err=0) at socket.c:2458 #9 0x00007ff1cfe950f6 in event_dispatch_epoll_handler (event=0x7ff1c2f76e80, event_pool=0x5618154d5ee0) at event-epoll.c:572 #10 event_dispatch_epoll_worker (data=0x56181551cbd0) at event-epoll.c:648 #11 0x00007ff1cec99e25 in start_thread () from /lib64/libpthread.so.0 #12 0x00007ff1ce56634d in clone () from /lib64/libc.so.6 This patch add previous NULL check move from __nfs3_call_state_wipe() to nfs3_call_state_wipe() Change-Id: I2d73632f4be23f14d8467be3d908b09b3a2d87ea BUG: 1479030 Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com> Reviewed-on: https://review.gluster.org/17989 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Niels de Vos <ndevos@redhat.com>
Diffstat (limited to 'xlators/storage')
0 files changed, 0 insertions, 0 deletions