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| author | Björn Töpel <bjorn.topel@intel.com> | 2019-09-04 13:49:11 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2019-09-05 14:11:52 +0200 |
| commit | 9764f4b301c3e7eb3b75eec85b73cad449cdbb0d (patch) | |
| tree | 31b08153807248a101bd3d1c5018c3d9b5fd45ab /fs/coda | |
| parent | 94a997637c5b562fa0ca44fca1d2cd02ec08236f (diff) | |
| download | linux-9764f4b301c3e7eb3b75eec85b73cad449cdbb0d.tar.gz | |
xsk: avoid store-tearing when assigning umem
The umem member of struct xdp_sock is read outside of the control
mutex, in the mmap implementation, and needs a WRITE_ONCE to avoid
potential store-tearing.
Acked-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Fixes: 423f38329d26 ("xsk: add umem fill queue support and mmap")
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'fs/coda')
0 files changed, 0 insertions, 0 deletions