diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-06-07 12:54:37 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-06-07 12:54:37 -0700 |
| commit | 77e8e6861bc000b90ad37b4cceccbe0da5f4fc6a (patch) | |
| tree | 27aa783f1859087e6d1c54250700a1d6a3e0f0ad /include/linux | |
| parent | 96c1ddbc16f4dd15d6d359ce55ba29e8cd80dc46 (diff) | |
| parent | 6d99479799c69c3cb588fcda19c81d8f61d64ecd (diff) | |
Merge tag 'sched-urgent-2026-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
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()
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/rseq_entry.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/rseq_entry.h b/include/linux/rseq_entry.h index 63bc72086e75..ed9da6e41a2a 100644 --- a/include/linux/rseq_entry.h +++ b/include/linux/rseq_entry.h @@ -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); |