diff options
| author | Ingo Molnar <mingo@kernel.org> | 2022-02-21 11:53:51 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2022-02-21 11:53:51 +0100 |
| commit | 6255b48aebfd4dff375e97fc8b075a235848db0b (patch) | |
| tree | bcedf2b959a843a18cf7ebcc9120a0dd1c4e234f /kernel/bpf/stackmap.c | |
| parent | 1b2d3451ee50a0968cb9933f726e50b368ba5073 (diff) | |
| parent | cfb92440ee71adcc2105b0890bb01ac3cddb8507 (diff) | |
Merge tag 'v5.17-rc5' into sched/core, to resolve conflicts
New conflicts in sched/core due to the following upstream fixes:
44585f7bc0cb ("psi: fix "defined but not used" warnings when CONFIG_PROC_FS=n")
a06247c6804f ("psi: Fix uaf issue when psi trigger is destroyed while being polled")
Conflicts:
include/linux/psi_types.h
kernel/sched/psi.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/bpf/stackmap.c')
| -rw-r--r-- | kernel/bpf/stackmap.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c index 49e567209c6b..22c8ae94e4c1 100644 --- a/kernel/bpf/stackmap.c +++ b/kernel/bpf/stackmap.c @@ -472,13 +472,14 @@ BPF_CALL_4(bpf_get_task_stack, struct task_struct *, task, void *, buf, u32, size, u64, flags) { struct pt_regs *regs; - long res; + long res = -EINVAL; if (!try_get_task_stack(task)) return -EFAULT; regs = task_pt_regs(task); - res = __bpf_get_stack(regs, task, NULL, buf, size, flags); + if (regs) + res = __bpf_get_stack(regs, task, NULL, buf, size, flags); put_task_stack(task); return res; |