Alexei Starovoitov 4c5de12759 bpf: Emit explicit NULL pointer checks for PROBE_LDX instructions. ... PTR_TO_BTF_ID registers contain either kernel pointer or NULL. Emit the NULL check explicitly by JIT instead of going into do_user_addr_fault() on NULL deference. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20210202053837.95909-1-alexei.starovoitov@gmail.com		2021-02-04 16:46:44 +01:00
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bpf_jit_comp.c	bpf: Emit explicit NULL pointer checks for PROBE_LDX instructions.	2021-02-04 16:46:44 +01:00
bpf_jit_comp32.c	bpf: Rename BPF_XADD and prepare to encode other atomics in .imm	2021-01-14 18:34:29 -08:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00