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Merge tag 'sched-urgent-2026-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull rseq fix from Ingo Molnar:

 - Fix uninitialized stack variable in rseq_exit_user_update() (Qing
   Wang)

* tag 'sched-urgent-2026-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rseq: Fix using an uninitialized stack variable in rseq_exit_user_update()
This commit is contained in:
Linus Torvalds
2026-06-07 12:54:37 -07:00
parent 96c1ddbc16 6d99479799
commit 77e8e6861b
1 changed files with 3 additions and 2 deletions
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5
include/linux/rseq_entry.h
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@@ -635,10 +635,11 @@ static __always_inline bool rseq_exit_user_update(struct pt_regs *regs, struct t
return true;
}
int cpu = task_cpu(t);
struct rseq_ids ids = {
.cpu_id = task_cpu(t),
.cpu_id = cpu,
.mm_cid = task_mm_cid(t),
.node_id = cpu_to_node(ids.cpu_id),
.node_id = cpu_to_node(cpu),
};
return rseq_update_usr(t, regs, &ids);