diff options
| author | Jordan Rife <[email protected]> | 2023-09-21 18:46:42 -0500 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2023-10-01 19:31:29 +0100 |
| commit | c889a99a21bf124c3db08d09df919f0eccc5ea4c (patch) | |
| tree | 18c63a51bfbee4af1f62a89a688ba25c7c05697e /tools/testing/selftests/bpf/prog_tests/autoload.c | |
| parent | 86a7e0b69bd5b812e48a20c66c2161744f3caa16 (diff) | |
net: prevent address rewrite in kernel_bind()
Similar to the change in commit 0bdf399342c5("net: Avoid address
overwrite in kernel_connect"), BPF hooks run on bind may rewrite the
address passed to kernel_bind(). This change
1) Makes a copy of the bind address in kernel_bind() to insulate
callers.
2) Replaces direct calls to sock->ops->bind() in net with kernel_bind()
Link: https://lore.kernel.org/netdev/[email protected]/
Fixes: 4fbac77d2d09 ("bpf: Hooks for sys_bind")
Cc: [email protected]
Reviewed-by: Willem de Bruijn <[email protected]>
Signed-off-by: Jordan Rife <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/autoload.c')
0 files changed, 0 insertions, 0 deletions