Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says:
====================
pull-request: bpf 2019-03-01
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) fix sanitation rewrite, from Daniel.
2) fix error path on map_new_fd, from Peng.
3) fix icache flush address, from Paul.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/mips/net/ebpf_jit.c b/arch/mips/net/ebpf_jit.c
index 76e9bf8..0effd3c 100644
--- a/arch/mips/net/ebpf_jit.c
+++ b/arch/mips/net/ebpf_jit.c
@@ -1819,7 +1819,7 @@
/* Update the icache */
flush_icache_range((unsigned long)ctx.target,
- (unsigned long)(ctx.target + ctx.idx * sizeof(u32)));
+ (unsigned long)&ctx.target[ctx.idx]);
if (bpf_jit_enable > 1)
/* Dump JIT code */
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 8577bb7..84470d1 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -559,12 +559,12 @@
err = bpf_map_new_fd(map, f_flags);
if (err < 0) {
/* failed to allocate fd.
- * bpf_map_put() is needed because the above
+ * bpf_map_put_with_uref() is needed because the above
* bpf_map_alloc_id() has published the map
* to the userspace and the userspace may
* have refcnt-ed it through BPF_MAP_GET_FD_BY_ID.
*/
- bpf_map_put(map);
+ bpf_map_put_with_uref(map);
return err;
}
@@ -1986,7 +1986,7 @@
fd = bpf_map_new_fd(map, f_flags);
if (fd < 0)
- bpf_map_put(map);
+ bpf_map_put_with_uref(map);
return fd;
}
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 8f295b7..5fcce2f 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -6920,7 +6920,8 @@
u32 off_reg;
aux = &env->insn_aux_data[i + delta];
- if (!aux->alu_state)
+ if (!aux->alu_state ||
+ aux->alu_state == BPF_ALU_NON_POINTER)
continue;
isneg = aux->alu_state & BPF_ALU_NEG_VALUE;
