p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

RDMA/efa: Remove MAYEXEC flag check from mmap flow 

MAYEXEC test was mistakenly added, remove it. Checking MAYEXEC in the
driver prevents it from working with userspace that uses things like EXEC
STACK. (ie some Fortran and other runtimes)

Fixes: 40909f664d ("RDMA/efa: Add EFA verbs implementation")
Reported-by: Jason Gunthorpe <jgg@ziepe.ca>
Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Gal Pressman 2019-05-28 15:46:13 +03:00 committed by Jason Gunthorpe
parent 37eb86c450
commit 4f240dfec6
1 changed files with 0 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/infiniband/hw/efa/efa_verbs.c
View File

@ -1728,7 +1728,6 @@ int efa_mmap(struct ib_ucontext *ibucontext,
ibdev_dbg(&dev->ibdev, "Mapping executable pages is not permitted\n");
return -EPERM;
}
vma->vm_flags &= ~VM_MAYEXEC;
return __efa_mmap(dev, ucontext, vma, key, length);
}