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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-31 07:17:17 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-31 07:17:17 +0200 |
| commit | dd5597245d35cfbb0890b8a868028aa1d2018701 (patch) | |
| tree | 865b93bf83987840fd763bf8a3d1c615ccda2f7b /kernel/bpf/task_iter.c | |
| parent | 551b6729578a8981c46af964c10bf7d5d9ddca83 (diff) | |
| parent | f75aef392f869018f78cfedf3c320a6b3fcfda6b (diff) | |
Merge 5.9-rc3 into char-misc-next
We need the fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/bpf/task_iter.c')
| -rw-r--r-- | kernel/bpf/task_iter.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/bpf/task_iter.c b/kernel/bpf/task_iter.c index 232df29793e9..99af4cea1102 100644 --- a/kernel/bpf/task_iter.c +++ b/kernel/bpf/task_iter.c @@ -29,8 +29,9 @@ static struct task_struct *task_seq_get_next(struct pid_namespace *ns, rcu_read_lock(); retry: - pid = idr_get_next(&ns->idr, tid); + pid = find_ge_pid(*tid, ns); if (pid) { + *tid = pid_nr_ns(pid, ns); task = get_pid_task(pid, PIDTYPE_PID); if (!task) { ++*tid; @@ -178,10 +179,11 @@ again: f = fcheck_files(curr_files, curr_fd); if (!f) continue; + if (!get_file_rcu(f)) + continue; /* set info->fd */ info->fd = curr_fd; - get_file(f); rcu_read_unlock(); return f; } |