[ Sasha's backport helper bot ]
Hi,
✅ All tests passed successfully. No issues detected. No action required from the submitter.
The upstream commit SHA1 provided is correct: 5c5f0468d172ddec2e333d738d2a1f85402cf0bc
Note: The patch differs from the upstream commit: --- 1: 5c5f0468d172d ! 1: 91d2e27d094a4 mm/vmalloc: fix data race in show_numa_info() @@ Metadata ## Commit message ## mm/vmalloc: fix data race in show_numa_info()
+ commit 5c5f0468d172ddec2e333d738d2a1f85402cf0bc upstream. + The following data-race was found in show_numa_info():
================================================================== @@ mm/vmalloc.c: bool vmalloc_dump_obj(void *object)
static void show_purge_info(struct seq_file *m) @@ mm/vmalloc.c: static int vmalloc_info_show(struct seq_file *m, void *p) - struct vmap_node *vn; struct vmap_area *va; struct vm_struct *v; + int i; + unsigned int *counters; + + if (IS_ENABLED(CONFIG_NUMA)) + counters = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
- for_each_vmap_node(vn) { - spin_lock(&vn->busy.lock); + for (i = 0; i < nr_vmap_nodes; i++) { + vn = &vmap_nodes[i]; @@ mm/vmalloc.c: static int vmalloc_info_show(struct seq_file *m, void *p) }
---
Results of testing on various branches:
| Branch | Patch Apply | Build Test | |---------------------------|-------------|------------| | stable/linux-6.15.y | Success | Success |