On Mon, Dec 9, 2019 at 7:15 AM Daniel Borkmann <daniel@xxxxxxxxxxxxx> wrote: > On Fri, Dec 06, 2019 at 10:49:34PM +0100, Jiri Olsa wrote: > > From: Daniel Borkmann <daniel@xxxxxxxxxxxxx> > > > > Allow for audit messages to be emitted upon BPF program load and > > unload for having a timeline of events. The load itself is in > > syscall context, so additional info about the process initiating > > the BPF prog creation can be logged and later directly correlated > > to the unload event. > > > > The only info really needed from BPF side is the globally unique > > prog ID where then audit user space tooling can query / dump all > > info needed about the specific BPF program right upon load event > > and enrich the record, thus these changes needed here can be kept > > small and non-intrusive to the core. > > > > Raw example output: > > > > # auditctl -D > > # auditctl -a always,exit -F arch=x86_64 -S bpf > > # ausearch --start recent -m 1334 > > ... > > ---- > > time->Wed Nov 27 16:04:13 2019 > > type=PROCTITLE msg=audit(1574867053.120:84664): proctitle="./bpf" > > type=SYSCALL msg=audit(1574867053.120:84664): arch=c000003e syscall=321 \ > > success=yes exit=3 a0=5 a1=7ffea484fbe0 a2=70 a3=0 items=0 ppid=7477 \ > > pid=12698 auid=1001 uid=1001 gid=1001 euid=1001 suid=1001 fsuid=1001 \ > > egid=1001 sgid=1001 fsgid=1001 tty=pts2 ses=4 comm="bpf" \ > > exe="/home/jolsa/auditd/audit-testsuite/tests/bpf/bpf" \ > > subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null) > > type=UNKNOWN[1334] msg=audit(1574867053.120:84664): prog-id=76 op=LOAD > > ---- > > time->Wed Nov 27 16:04:13 2019 > > type=UNKNOWN[1334] msg=audit(1574867053.120:84665): prog-id=76 op=UNLOAD > > ... > > > > Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx> > > Co-developed-by: Jiri Olsa <jolsa@xxxxxxxxxx> > > Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx> > > Paul, Steve, given the merge window is closed by now, does this version look > okay to you for proceeding to merge into bpf-next? Given the change to audit UAPI I was hoping to merge this via the audit/next tree, is that okay with you? -- paul moore www.paul-moore.com
