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authorDaniel Borkmann <daniel@iogearbox.net>2019-11-02 00:18:03 +0100
committerAlexei Starovoitov <ast@kernel.org>2019-11-02 12:45:08 -0700
commitfa553d9b57d4a98a160d1926b4e263e7a78c0cf3 (patch)
tree59237fefc66616b1656f1ade555b2365e8d89d88 /tools/include
parent50f9aa44cac7256551b2e0901831e432a6c52b7f (diff)
bpf, testing: Add selftest to read/write sockaddr from user space
Tested on x86-64 and Ilya was also kind enough to give it a spin on s390x, both passing with probe_user:OK there. The test is using the newly added bpf_probe_read_user() to dump sockaddr from connect call into .bss BPF map and overrides the user buffer via bpf_probe_write_user(): # ./test_progs [...] #17 pkt_md_access:OK #18 probe_user:OK #19 prog_run_xattr:OK [...] Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Tested-by: Ilya Leoshkevich <iii@linux.ibm.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/90f449d8af25354e05080e82fc6e2d3179da30ea.1572649915.git.daniel@iogearbox.net
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