diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-16 10:18:49 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-16 10:18:49 +0200 |
| commit | fe2017ba24f318e5feef487b7552e40a3de2d50a (patch) | |
| tree | 59f3695ecd07645910210156fc8255da99aba6f7 /kernel/bpf/mprog.c | |
| parent | dd976a97d15b47656991e185a94ef42a0fa5cfd4 (diff) | |
| parent | 58720809f52779dc0f08e53e54b014209d13eebb (diff) | |
Merge 6.6-rc6 into tty-next
We need the tty/serial fixes in here as well for testing, and this
resolves merge conflicts in:
drivers/tty/serial/serial_core.c
as reported in linux-next
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/bpf/mprog.c')
| -rw-r--r-- | kernel/bpf/mprog.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/kernel/bpf/mprog.c b/kernel/bpf/mprog.c index 32d2c4829eb8..1394168062e8 100644 --- a/kernel/bpf/mprog.c +++ b/kernel/bpf/mprog.c @@ -253,6 +253,9 @@ int bpf_mprog_attach(struct bpf_mprog_entry *entry, goto out; } idx = tidx; + } else if (bpf_mprog_total(entry) == bpf_mprog_max()) { + ret = -ERANGE; + goto out; } if (flags & BPF_F_BEFORE) { tidx = bpf_mprog_pos_before(entry, &rtuple); @@ -398,14 +401,16 @@ int bpf_mprog_query(const union bpf_attr *attr, union bpf_attr __user *uattr, struct bpf_mprog_cp *cp; struct bpf_prog *prog; const u32 flags = 0; + u32 id, count = 0; + u64 revision = 1; int i, ret = 0; - u32 id, count; - u64 revision; if (attr->query.query_flags || attr->query.attach_flags) return -EINVAL; - revision = bpf_mprog_revision(entry); - count = bpf_mprog_total(entry); + if (entry) { + revision = bpf_mprog_revision(entry); + count = bpf_mprog_total(entry); + } if (copy_to_user(&uattr->query.attach_flags, &flags, sizeof(flags))) return -EFAULT; if (copy_to_user(&uattr->query.revision, &revision, sizeof(revision))) |