On 6/9/21 9:17 AM, John Fastabend wrote:
Yonghong Song wrote:
On 6/8/21 12:29 PM, John Fastabend wrote:
We recently tried to use mixed programs that have both tail calls and
subprograms, but it needs the attached fix. Also added a small test
addition that will cause the failure without the fix.
Thanks,
John
---
John Fastabend (2):
bpf: Fix null ptr deref with mixed tail calls and subprogs
bpf: selftest to verify mixing bpf2bpf calls and tailcalls with insn patch
.../selftests/bpf/progs/tailcall_bpf2bpf4.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
Don't know what happens. Apparently, the first patch made changes
in kernel/bpf/verifier.c, but it didn't show up in the above.
Agh its how I applied the patches and cover-letter :/ I moved them between
trees (bpf-next -> bpf) and lost the diff. I can resubmit if anyone
cares.
You don't need to resubmit just because of this. This cover letter
may not be merged eventually.
