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| author | Björn Töpel <bjorn.topel@intel.com> | 2020-12-07 11:20:08 +0300 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2020-12-08 19:11:58 +0300 |
| commit | 3546b9b8eced9799b35ef953f766a0973b17fda2 (patch) | |
| tree | 7e54c3cfa6e6645d09938f6b368cc391597f2710 /kernel/bpf/syscall.c | |
| parent | 2f4b03195fe8ed3b1e213f4a6cfe14cfc109d829 (diff) | |
| download | linux-3546b9b8eced9799b35ef953f766a0973b17fda2.tar.xz | |
xsk: Validate socket state in xsk_recvmsg, prior touching socket members
In AF_XDP the socket state needs to be checked, prior touching the
members of the socket. This was not the case for the recvmsg
implementation. Fix that by moving the xsk_is_bound() call.
Fixes: 45a86681844e ("xsk: Add support for recvmsg()")
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/20201207082008.132263-1-bjorn.topel@gmail.com
Diffstat (limited to 'kernel/bpf/syscall.c')
0 files changed, 0 insertions, 0 deletions