[PATCH v2 bpf-next 0/2] bpf: Fix an issue in bpf_iter_task

[Yafang Shao <laoar.shao@gmail.com>]

The uninitialized bpf_iter_task variable poses a risk of triggering a
kernel panic. To fix this potential issue, it's imperative to ensure proper
initialization of the variable. This problem surfaced during the
implementation phase of the bits iterator [0]. 

[0]. https://lwn.net/ml/bpf/CALOAHbDJWHOB+viBz6SUqdeF+Nkxmh4gLZo5Ad_keQXjBWHAsQ@mail.gmail.com 

v1->v2:
- Correct the fixes tag (Chuyi)  

Yafang Shao (2):
  bpf: Fix an issue due to uninitialized bpf_iter_task
  selftests/bpf: Add negtive test cases for task iter

 kernel/bpf/task_iter.c                         |  2 ++
 tools/testing/selftests/bpf/prog_tests/iters.c |  1 +
 tools/testing/selftests/bpf/progs/iters_task.c | 12 +++++++++++-
 3 files changed, 14 insertions(+), 1 deletion(-)

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2.39.1