AuxXxilium/linux_dsm_epyc7002
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629e6f9db6
linux_dsm_epyc7002/drivers/infiniband/sw/rdmavt
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Shiraz Saleem 629e6f9db6 RDMA/rdmavt: Use correct sizing on buffers holding page DMA addresses 
The buffer that holds the page DMA addresses is sized off umem->nmap.
This can potentially cause out of bound accesses on the PBL array when
iterating the umem DMA-mapped SGL. This is because if umem pages are
combined, umem->nmap can be much lower than the number of system pages
in umem.

Use ib_umem_num_pages() to size this buffer.

Cc: Dennis Dalessandro <dennis.dalessandro@intel.com>
Cc: Mike Marciniszyn <mike.marciniszyn@intel.com>
Cc: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28 14:13:27 -03:00
..
ah.c RDMA: Mark if destroy address handle is in a sleepable context 2018-12-19 16:28:03 -07:00
ah.h RDMA: Mark if destroy address handle is in a sleepable context 2018-12-19 16:28:03 -07:00
cq.c IB/{hfi1, rdmavt, qib}: Implement CQ completion vector support 2018-05-09 15:53:30 -04:00
cq.h IB/{hfi1, rdmavt, qib}: Implement CQ completion vector support 2018-05-09 15:53:30 -04:00
Kconfig IB/{hfi1, qib, rdmavt}: Move copy SGE logic into rdmavt 2018-10-03 16:38:28 -06:00
mad.c RDMA: Mark if destroy address handle is in a sleepable context 2018-12-19 16:28:03 -07:00
mad.h IB/rdmavt: Clean up distinction between port number and index 2016-03-10 20:37:31 -05:00
Makefile This is a tree wide change and has been kept separate for that reason. 2017-02-25 13:45:43 -08:00
mcast.c infiniband: fix sw/rdmavt/* kernel-doc notation 2018-01-10 22:00:35 -07:00
mcast.h IB/rdmavt: Fix copyright date 2016-03-10 20:37:27 -05:00
mmap.c infiniband: Fix alignment of mmap cookies to support VIPT caching 2017-03-24 16:50:51 -04:00
mmap.h IB/rdmavt: Remove unnecessary exported functions 2016-03-10 20:38:10 -05:00
mr.c RDMA/rdmavt: Use correct sizing on buffers holding page DMA addresses 2019-03-28 14:13:27 -03:00
mr.h IB/rdmavt: Add support for ib_map_mr_sg 2016-08-02 16:00:58 -04:00
pd.c RDMA: Handle PD allocations by IB/core 2019-02-08 16:51:04 -07:00
pd.h RDMA: Handle PD allocations by IB/core 2019-02-08 16:51:04 -07:00
qp.c IB/rdmavt: Fix concurrency panics in QP post_send and modify to error 2019-03-04 15:47:23 -04:00
qp.h IB/{hfi1, qib, rdmavt}: Move copy SGE logic into rdmavt 2018-10-03 16:38:28 -06:00
rc.c IB/hfi: Move RC functions into a header file 2019-02-05 17:51:09 -05:00
srq.c IB/{hw,sw}: Remove 'uobject->context' dependency in object creation APIs 2019-02-15 15:38:38 -07:00
srq.h IB/rdmavt: Add srq functionality to rdmavt 2016-03-10 20:37:30 -05:00
trace_cq.h IB/rdmavt: Add wc_flags and wc_immdata to cq entry trace 2019-01-18 13:48:19 -07:00
trace_mr.h IB/rdmavt: Compress adjacent SGEs in rvt_lkey_ok() 2017-06-27 16:56:33 -04:00
trace_qp.h IB/rdmavt: Add trace for RNRNAK timer 2018-01-05 13:34:55 -05:00
trace_rc.h IB/rdmavt, IB/hfi1: Fix timer migration regressions 2017-04-05 14:45:09 -04:00
trace_rvt.h IB/rdmavt: Fix trace hierarchy 2016-12-11 15:25:13 -05:00
trace_tx.h IB/{hfi1, qib, rdmavt}: Move send completion logic to rdmavt 2018-10-03 16:38:28 -06:00
trace.c IB/rdmavt: Fix copyright date 2016-03-10 20:37:27 -05:00
trace.h IB/{rdmavt, hfi1, qib}: Remove get_card_name() downcall 2018-01-05 13:34:55 -05:00
vt.c RDMA: Handle ucontext allocations by IB/core 2019-02-22 14:11:37 -07:00
vt.h IB: remove duplicate header files 2018-03-13 16:46:03 -04:00