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author | David S. Miller <davem@davemloft.net> | 2018-05-12 03:53:22 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2018-05-12 03:53:22 +0300 |
commit | b2d6cee117f708d493c020f9f355297321507be7 (patch) | |
tree | 2c6975b47034de78fc899b4191260bb2704efc0f /kernel/bpf/syscall.c | |
parent | b753a9faaf9aef1338c28ebd9ace6d749428788b (diff) | |
parent | 4bc871984f7cb5b2dec3ae64b570cb02f9ce2227 (diff) | |
download | linux-b2d6cee117f708d493c020f9f355297321507be7.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
The bpf syscall and selftests conflicts were trivial
overlapping changes.
The r8169 change involved moving the added mdelay from 'net' into a
different function.
A TLS close bug fix overlapped with the splitting of the TLS state
into separate TX and RX parts. I just expanded the tests in the bug
fix from "ctx->conf == X" into "ctx->tx_conf == X && ctx->rx_conf
== X".
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/bpf/syscall.c')
-rw-r--r-- | kernel/bpf/syscall.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 9b87198deea2..c286e75ec087 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -28,6 +28,7 @@ #include <linux/timekeeping.h> #include <linux/ctype.h> #include <linux/btf.h> +#include <linux/nospec.h> #define IS_FD_ARRAY(map) ((map)->map_type == BPF_MAP_TYPE_PROG_ARRAY || \ (map)->map_type == BPF_MAP_TYPE_PERF_EVENT_ARRAY || \ @@ -104,12 +105,14 @@ const struct bpf_map_ops bpf_map_offload_ops = { static struct bpf_map *find_and_alloc_map(union bpf_attr *attr) { const struct bpf_map_ops *ops; + u32 type = attr->map_type; struct bpf_map *map; int err; - if (attr->map_type >= ARRAY_SIZE(bpf_map_types)) + if (type >= ARRAY_SIZE(bpf_map_types)) return ERR_PTR(-EINVAL); - ops = bpf_map_types[attr->map_type]; + type = array_index_nospec(type, ARRAY_SIZE(bpf_map_types)); + ops = bpf_map_types[type]; if (!ops) return ERR_PTR(-EINVAL); @@ -124,7 +127,7 @@ static struct bpf_map *find_and_alloc_map(union bpf_attr *attr) if (IS_ERR(map)) return map; map->ops = ops; - map->map_type = attr->map_type; + map->map_type = type; return map; } @@ -897,11 +900,17 @@ static const struct bpf_prog_ops * const bpf_prog_types[] = { static int find_prog_type(enum bpf_prog_type type, struct bpf_prog *prog) { - if (type >= ARRAY_SIZE(bpf_prog_types) || !bpf_prog_types[type]) + const struct bpf_prog_ops *ops; + + if (type >= ARRAY_SIZE(bpf_prog_types)) + return -EINVAL; + type = array_index_nospec(type, ARRAY_SIZE(bpf_prog_types)); + ops = bpf_prog_types[type]; + if (!ops) return -EINVAL; if (!bpf_prog_is_dev_bound(prog->aux)) - prog->aux->ops = bpf_prog_types[type]; + prog->aux->ops = ops; else prog->aux->ops = &bpf_offload_prog_ops; prog->type = type; |