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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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Minor comment conflict in mac80211.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2020-03-29 21:25:29 -07:00
parent 1a147b74c2 7111951b8d
commit f0b5989745
123 changed files with 840 additions and 433 deletions
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34
kernel/bpf/syscall.c
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@@ -689,14 +689,15 @@ int bpf_get_file_flag(int flags)
offsetof(union bpf_attr, CMD##_LAST_FIELD) - \
sizeof(attr->CMD##_LAST_FIELD)) != NULL
/* dst and src must have at least BPF_OBJ_NAME_LEN number of bytes.
* Return 0 on success and < 0 on error.
/* dst and src must have at least "size" number of bytes.
* Return strlen on success and < 0 on error.
*/
static int bpf_obj_name_cpy(char *dst, const char *src)
int bpf_obj_name_cpy(char *dst, const char *src, unsigned int size)
{
const char *end = src + BPF_OBJ_NAME_LEN;
const char *end = src + size;
const char *orig_src = src;
memset(dst, 0, BPF_OBJ_NAME_LEN);
memset(dst, 0, size);
/* Copy all isalnum(), '_' and '.' chars. */
while (src < end && *src) {
if (!isalnum(*src) &&
@@ -705,11 +706,11 @@ static int bpf_obj_name_cpy(char *dst, const char *src)
*dst++ = *src++;
}
/* No '\0' found in BPF_OBJ_NAME_LEN number of bytes */
/* No '\0' found in "size" number of bytes */
if (src == end)
return -EINVAL;
return 0;
return src - orig_src;
}
int map_check_no_btf(const struct bpf_map *map,
@@ -803,8 +804,9 @@ static int map_create(union bpf_attr *attr)
if (IS_ERR(map))
return PTR_ERR(map);
err = bpf_obj_name_cpy(map->name, attr->map_name);
if (err)
err = bpf_obj_name_cpy(map->name, attr->map_name,
sizeof(attr->map_name));
if (err < 0)
goto free_map;
atomic64_set(&map->refcnt, 1);
@@ -2102,8 +2104,9 @@ static int bpf_prog_load(union bpf_attr *attr, union bpf_attr __user *uattr)
goto free_prog;
prog->aux->load_time = ktime_get_boottime_ns();
err = bpf_obj_name_cpy(prog->aux->name, attr->prog_name);
if (err)
err = bpf_obj_name_cpy(prog->aux->name, attr->prog_name,
sizeof(attr->prog_name));
if (err < 0)
goto free_prog;
/* run eBPF verifier */
@@ -2987,7 +2990,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
union bpf_attr __user *uattr)
{
struct bpf_prog_info __user *uinfo = u64_to_user_ptr(attr->info.info);
struct bpf_prog_info info = {};
struct bpf_prog_info info;
u32 info_len = attr->info.info_len;
struct bpf_prog_stats stats;
char __user *uinsns;
@@ -2999,6 +3002,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
return err;
info_len = min_t(u32, sizeof(info), info_len);
memset(&info, 0, sizeof(info));
if (copy_from_user(&info, uinfo, info_len))
return -EFAULT;
@@ -3262,7 +3266,7 @@ static int bpf_map_get_info_by_fd(struct bpf_map *map,
union bpf_attr __user *uattr)
{
struct bpf_map_info __user *uinfo = u64_to_user_ptr(attr->info.info);
struct bpf_map_info info = {};
struct bpf_map_info info;
u32 info_len = attr->info.info_len;
int err;
@@ -3271,6 +3275,7 @@ static int bpf_map_get_info_by_fd(struct bpf_map *map,
return err;
info_len = min_t(u32, sizeof(info), info_len);
memset(&info, 0, sizeof(info));
info.type = map->map_type;
info.id = map->id;
info.key_size = map->key_size;
@@ -3561,7 +3566,7 @@ err_put:
SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, size)
{
union bpf_attr attr = {};
union bpf_attr attr;
int err;
if (sysctl_unprivileged_bpf_disabled && !capable(CAP_SYS_ADMIN))
@@ -3573,6 +3578,7 @@ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, siz
size = min_t(u32, size, sizeof(attr));
/* copy attributes from user space, may be less than sizeof(bpf_attr) */
memset(&attr, 0, sizeof(attr));
if (copy_from_user(&attr, uattr, size) != 0)
return -EFAULT;