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| author | Vinod Koul <vkoul@kernel.org> | 2020-09-11 15:15:36 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-09-11 15:15:36 +0300 |
| commit | 4c80e9323967125ab8aa7c271ccc7624abc08832 (patch) | |
| tree | c9881b5814c184aa0c1cb58c6383beab9173e388 /kernel/bpf/task_iter.c | |
| parent | ef759e4a28c88965972c815af6023f41bd733316 (diff) | |
| parent | f4d51dffc6c01a9e94650d95ce0104964f8ae822 (diff) | |
| download | linux-4c80e9323967125ab8aa7c271ccc7624abc08832.tar.xz | |
Merge tag 'v5.9-rc4' into next
Linux 5.9-rc4
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; } |