Skip to content

bpf: Fix invalid mem access when update_effective_progs fails in __cgroup_bpf_detach #6319

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 1 commit into from
Closed

bpf: Fix invalid mem access when update_effective_progs fails in __cgroup_bpf_detach #6319

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions kernel/bpf/core.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2536,11 +2536,14 @@ static unsigned int __bpf_prog_ret1(const void *ctx,
return 1;
}

DEFINE_PER_CPU(struct bpf_prog_stats, __dummy_stats);

static struct bpf_prog_dummy {
struct bpf_prog prog;
} dummy_bpf_prog = {
.prog = {
.bpf_func = __bpf_prog_ret1,
.stats = &__dummy_stats,
},
};

Expand Down
Loading