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authorJakub Kicinski <kuba@kernel.org>2022-10-20 17:49:10 -0700
committerJakub Kicinski <kuba@kernel.org>2022-10-20 17:49:10 -0700
commit94adb5e29e0e583283183dbaa852ee9d7d0c4c26 (patch)
tree3038a63f3ed9632711100f1187c4c53c304b785b /kernel/bpf
parent36875a063b5e3618b42f7bace850473bb88a7c24 (diff)
parent6d36c728bc2e2d632f4b0dea00df5532e20dfdab (diff)
downloadlwn-94adb5e29e0e583283183dbaa852ee9d7d0c4c26.tar.gz
lwn-94adb5e29e0e583283183dbaa852ee9d7d0c4c26.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'kernel/bpf')
-rw-r--r--kernel/bpf/bloom_filter.c2
-rw-r--r--kernel/bpf/cgroup_iter.c2
-rw-r--r--kernel/bpf/core.c6
-rw-r--r--kernel/bpf/hashtab.c2
-rw-r--r--kernel/bpf/verifier.c2
5 files changed, 7 insertions, 7 deletions
diff --git a/kernel/bpf/bloom_filter.c b/kernel/bpf/bloom_filter.c
index b9ea539a5561..48ee750849f2 100644
--- a/kernel/bpf/bloom_filter.c
+++ b/kernel/bpf/bloom_filter.c
@@ -158,7 +158,7 @@ static struct bpf_map *bloom_map_alloc(union bpf_attr *attr)
attr->value_size / sizeof(u32);
if (!(attr->map_flags & BPF_F_ZERO_SEED))
- bloom->hash_seed = get_random_int();
+ bloom->hash_seed = get_random_u32();
return &bloom->map;
}
diff --git a/kernel/bpf/cgroup_iter.c b/kernel/bpf/cgroup_iter.c
index 0d200a993489..9fcf09f2ef00 100644
--- a/kernel/bpf/cgroup_iter.c
+++ b/kernel/bpf/cgroup_iter.c
@@ -196,7 +196,7 @@ static int bpf_iter_attach_cgroup(struct bpf_prog *prog,
return -EINVAL;
if (fd)
- cgrp = cgroup_get_from_fd(fd);
+ cgrp = cgroup_v1v2_get_from_fd(fd);
else if (id)
cgrp = cgroup_get_from_id(id);
else /* walk the entire hierarchy by default. */
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index a0e762a2bf97..9c16338bcbe8 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -1032,7 +1032,7 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr,
hdr->size = size;
hole = min_t(unsigned int, size - (proglen + sizeof(*hdr)),
PAGE_SIZE - sizeof(*hdr));
- start = (get_random_int() % hole) & ~(alignment - 1);
+ start = prandom_u32_max(hole) & ~(alignment - 1);
/* Leave a random number of instructions before BPF code. */
*image_ptr = &hdr->image[start];
@@ -1094,7 +1094,7 @@ bpf_jit_binary_pack_alloc(unsigned int proglen, u8 **image_ptr,
hole = min_t(unsigned int, size - (proglen + sizeof(*ro_header)),
BPF_PROG_CHUNK_SIZE - sizeof(*ro_header));
- start = (get_random_int() % hole) & ~(alignment - 1);
+ start = prandom_u32_max(hole) & ~(alignment - 1);
*image_ptr = &ro_header->image[start];
*rw_image = &(*rw_header)->image[start];
@@ -1216,7 +1216,7 @@ static int bpf_jit_blind_insn(const struct bpf_insn *from,
bool emit_zext)
{
struct bpf_insn *to = to_buff;
- u32 imm_rnd = get_random_int();
+ u32 imm_rnd = get_random_u32();
s16 off;
BUILD_BUG_ON(BPF_REG_AX + 1 != MAX_BPF_JIT_REG);
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index ed3f8a53603b..f39ee3e05589 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -527,7 +527,7 @@ static struct bpf_map *htab_map_alloc(union bpf_attr *attr)
if (htab->map.map_flags & BPF_F_ZERO_SEED)
htab->hashrnd = 0;
else
- htab->hashrnd = get_random_int();
+ htab->hashrnd = get_random_u32();
htab_init_buckets(htab);
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 6f6d2d511c06..014ee0953dbd 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -13350,7 +13350,7 @@ static int opt_subreg_zext_lo32_rnd_hi32(struct bpf_verifier_env *env,
aux[adj_idx].ptr_type == PTR_TO_CTX)
continue;
- imm_rnd = get_random_int();
+ imm_rnd = get_random_u32();
rnd_hi32_patch[0] = insn;
rnd_hi32_patch[1].imm = imm_rnd;
rnd_hi32_patch[3].dst_reg = load_reg;