Song Liu fe736565ef bpf: Introduce bpf_arch_text_invalidate for bpf_prog_pack ...

Introduce bpf_arch_text_invalidate and use it to fill unused part of the
bpf_prog_pack with illegal instructions when a BPF program is freed.

Fixes: 57631054fae6 ("bpf: Introduce bpf_prog_pack allocator")
Fixes: 33c9805860e5 ("bpf: Introduce bpf_jit_binary_pack_[alloc|finalize|free]")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220520235758.1858153-4-song@kernel.org

2022-05-23 23:08:11 +02:00

..

bpf_jit_comp32.c

bpf: Change value of MAX_TAIL_CALL_CNT from 32 to 33

2021-11-16 14:03:15 +01:00

bpf_jit_comp.c

bpf: Introduce bpf_arch_text_invalidate for bpf_prog_pack

2022-05-23 23:08:11 +02:00

Makefile

treewide: Add SPDX license identifier - Makefile/Kconfig

2019-05-21 10:50:46 +02:00