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authorKP Singh <kpsingh@google.com>2020-11-18 02:29:28 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2020-11-18 03:36:27 +0300
commit3f6719c7b62f0327c9091e26d0da10e65668229e (patch)
treed4552b1b12239b67d9a7a78cd6e0af42a3c3f79b /scripts/bpf_helpers_doc.py
parentcbf398d76534427877e5824dd61611514cf284b3 (diff)
downloadlinux-3f6719c7b62f0327c9091e26d0da10e65668229e.tar.xz
bpf: Add bpf_bprm_opts_set helper
The helper allows modification of certain bits on the linux_binprm struct starting with the secureexec bit which can be updated using the BPF_F_BPRM_SECUREEXEC flag. secureexec can be set by the LSM for privilege gaining executions to set the AT_SECURE auxv for glibc. When set, the dynamic linker disables the use of certain environment variables (like LD_PRELOAD). Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20201117232929.2156341-1-kpsingh@chromium.org
Diffstat (limited to 'scripts/bpf_helpers_doc.py')
-rwxr-xr-xscripts/bpf_helpers_doc.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/scripts/bpf_helpers_doc.py b/scripts/bpf_helpers_doc.py
index 31484377b8b1..c5bc947a70ad 100755
--- a/scripts/bpf_helpers_doc.py
+++ b/scripts/bpf_helpers_doc.py
@@ -418,6 +418,7 @@ class PrinterHelpers(Printer):
'struct bpf_tcp_sock',
'struct bpf_tunnel_key',
'struct bpf_xfrm_state',
+ 'struct linux_binprm',
'struct pt_regs',
'struct sk_reuseport_md',
'struct sockaddr',
@@ -465,6 +466,7 @@ class PrinterHelpers(Printer):
'struct bpf_tcp_sock',
'struct bpf_tunnel_key',
'struct bpf_xfrm_state',
+ 'struct linux_binprm',
'struct pt_regs',
'struct sk_reuseport_md',
'struct sockaddr',