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authorVadim Kochan <vadim4j@gmail.com>2015-12-15 23:09:10 +0200
committerTobias Klauser <tklauser@distanz.ch>2015-12-17 09:40:50 +0100
commit1e3a2970549d294a1ab31f3088cbdcc2affbba42 (patch)
tree7eace0657d677a1d1be0b3130a4f7ff4dab7764b /privs.c
parentaec98a903f19ae408fe699ff0963b90990c46d83 (diff)
proc: Add function to execute process with argv list
Add proc_exec function which executes given process with argv list via fork + execvp. It allows to replace 'system' call approach which is used for invoking cpp and securely extend it with additional options like -D. Signed-off-by: Vadim Kochan <vadim4j@gmail.com> Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'privs.c')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-09-22 08:50:02 +0000
ype BPF_K or CONST_IMM. The patch fixes both, otherwise the verifer reports the following error: [...] R0=imm0,min_value=0,max_value=0 R1=pkt(id=0,off=0,r=4) R2=pkt_end R3=fp-12 R4=imm4,min_value=4,max_value=4 R5=pkt(id=0,off=4,r=4) 269: (bf) r2 = r0 // r2 becomes imm0 270: (77) r2 >>= 3 271: (bf) r4 = r1 // r4 becomes pkt ptr 272: (0f) r4 += r2 // r4 += 0 addition of negative constant to packet pointer is not allowed Signed-off-by: William Tu <u9012063@gmail.com> Signed-off-by: Mihai Budiu <mbudiu@vmware.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Alexei Starovoitov <ast@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/testing/selftests')
-rw-r--r--tools/testing/selftests/bpf/test_verifier.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c