Patch "bpf: change back to orig prog on too many passes" has been added to the 4.9-stable tree
Subsystems (4)
This is a note to let you know that I've just added the patch titled
bpf: change back to orig prog on too many passes
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
bpf-change-back-to-orig-prog-on-too-many-passes.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From foo@baz Thu Jan 12 21:37:26 CET 2017
From: Daniel Borkmann <[email protected]>
Date: Sat, 7 Jan 2017 00:26:33 +0100
Subject: bpf: change back to orig prog on too many passes
From: Daniel Borkmann <[email protected]>
[ Upstream commit 9d5ecb09d525469abd1a10c096cb5a17206523f2 ]
If after too many passes still no image could be emitted, then swap back to the original program as we do in all other cases and don't use the one with blinding.
--- arch/x86/net/bpf_jit_comp.c | 2 ++ 1 file changed, 2 insertions(+)
arch/x86/net/bpf_jit_comp.c +2 -0
@@ -1172,6 +1172,8 @@ struct bpf_prog *bpf_int_jit_compile(strset_memory_ro ((unsigned long )header, header->pages); prog->bpf_func = (void *)image; prog->jited =1 ; + }else { + prog = orig_prog; } out_addrs:
Patches currently in stable-queue which might be from [email protected] are
queue-4.9/bpf-change-back-to-orig-prog-on-too-many-passes.patch queue-4.9/net-sched-fix-soft-lockup-in-tc_classify.patch