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-rw-r--r--kernel/bpf/core.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index ad5f55922a13..917cc04a0a94 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -595,9 +595,13 @@ static int bpf_jit_blind_insn(const struct bpf_insn *from,
case BPF_JMP | BPF_JEQ | BPF_K:
case BPF_JMP | BPF_JNE | BPF_K:
case BPF_JMP | BPF_JGT | BPF_K:
+ case BPF_JMP | BPF_JLT | BPF_K:
case BPF_JMP | BPF_JGE | BPF_K:
+ case BPF_JMP | BPF_JLE | BPF_K:
case BPF_JMP | BPF_JSGT | BPF_K:
+ case BPF_JMP | BPF_JSLT | BPF_K:
case BPF_JMP | BPF_JSGE | BPF_K:
+ case BPF_JMP | BPF_JSLE | BPF_K:
case BPF_JMP | BPF_JSET | BPF_K:
/* Accommodate for extra offset in case of a backjump. */
off = from->off;
@@ -833,12 +837,20 @@ static unsigned int ___bpf_prog_run(u64 *regs, const struct bpf_insn *insn,
[BPF_JMP | BPF_JNE | BPF_K] = &&JMP_JNE_K,
[BPF_JMP | BPF_JGT | BPF_X] = &&JMP_JGT_X,
[BPF_JMP | BPF_JGT | BPF_K] = &&JMP_JGT_K,
+ [BPF_JMP | BPF_JLT | BPF_X] = &&JMP_JLT_X,
+ [BPF_JMP | BPF_JLT | BPF_K] = &&JMP_JLT_K,
[BPF_JMP | BPF_JGE | BPF_X] = &&JMP_JGE_X,
[BPF_JMP | BPF_JGE | BPF_K] = &&JMP_JGE_K,
+ [BPF_JMP | BPF_JLE | BPF_X] = &&JMP_JLE_X,
+ [BPF_JMP | BPF_JLE | BPF_K] = &&JMP_JLE_K,
[BPF_JMP | BPF_JSGT | BPF_X] = &&JMP_JSGT_X,
[BPF_JMP | BPF_JSGT | BPF_K] = &&JMP_JSGT_K,
+ [BPF_JMP | BPF_JSLT | BPF_X] = &&JMP_JSLT_X,
+ [BPF_JMP | BPF_JSLT | BPF_K] = &&JMP_JSLT_K,
[BPF_JMP | BPF_JSGE | BPF_X] = &&JMP_JSGE_X,
[BPF_JMP | BPF_JSGE | BPF_K] = &&JMP_JSGE_K,
+ [BPF_JMP | BPF_JSLE | BPF_X] = &&JMP_JSLE_X,
+ [BPF_JMP | BPF_JSLE | BPF_K] = &&JMP_JSLE_K,
[BPF_JMP | BPF_JSET | BPF_X] = &&JMP_JSET_X,
[BPF_JMP | BPF_JSET | BPF_K] = &&JMP_JSET_K,
/* Program return */
@@ -1073,6 +1085,18 @@ out:
CONT_JMP;
}
CONT;
+ JMP_JLT_X:
+ if (DST < SRC) {
+ insn += insn->off;
+ CONT_JMP;
+ }
+ CONT;
+ JMP_JLT_K:
+ if (DST < IMM) {
+ insn += insn->off;
+ CONT_JMP;
+ }
+ CONT;
JMP_JGE_X:
if (DST >= SRC) {
insn += insn->off;
@@ -1085,6 +1109,18 @@ out:
CONT_JMP;
}
CONT;
+ JMP_JLE_X:
+ if (DST <= SRC) {
+ insn += insn->off;
+ CONT_JMP;
+ }
+ CONT;
+ JMP_JLE_K:
+ if (DST <= IMM) {
+ insn += insn->off;
+ CONT_JMP;
+ }
+ CONT;
JMP_JSGT_X:
if (((s64) DST) > ((s64) SRC)) {
insn += insn->off;
@@ -1097,6 +1133,18 @@ out:
CONT_JMP;
}
CONT;
+ JMP_JSLT_X:
+ if (((s64) DST) < ((s64) SRC)) {
+ insn += insn->off;
+ CONT_JMP;
+ }
+ CONT;
+ JMP_JSLT_K:
+ if (((s64) DST) < ((s64) IMM)) {
+ insn += insn->off;
+ CONT_JMP;
+ }
+ CONT;
JMP_JSGE_X:
if (((s64) DST) >= ((s64) SRC)) {
insn += insn->off;
@@ -1109,6 +1157,18 @@ out:
CONT_JMP;
}
CONT;
+ JMP_JSLE_X:
+ if (((s64) DST) <= ((s64) SRC)) {
+ insn += insn->off;
+ CONT_JMP;
+ }
+ CONT;
+ JMP_JSLE_K:
+ if (((s64) DST) <= ((s64) IMM)) {
+ insn += insn->off;
+ CONT_JMP;
+ }
+ CONT;
JMP_JSET_X:
if (DST & SRC) {
insn += insn->off;
@@ -1378,6 +1438,7 @@ const struct bpf_func_proto bpf_ktime_get_ns_proto __weak;
const struct bpf_func_proto bpf_get_current_pid_tgid_proto __weak;
const struct bpf_func_proto bpf_get_current_uid_gid_proto __weak;
const struct bpf_func_proto bpf_get_current_comm_proto __weak;
+const struct bpf_func_proto bpf_sock_map_update_proto __weak;
const struct bpf_func_proto * __weak bpf_get_trace_printk_proto(void)
{