The patch titled
Subject: fix a wrong value passed to __find_vmap_area()
has been added to the -mm mm-unstable branch. Its filename is
mm-vmalloc-remove-global-vmap_area_root-rb-tree-fix-2.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-vmalloc-remove-global-vmap_area_root-rb-tree-fix-2.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Uladzislau Rezki (Sony)" <urezki@xxxxxxxxx>
Subject: fix a wrong value passed to __find_vmap_area()
Date: Thu, 11 Jan 2024 13:11:04 +0100
There was a typo in the vmalloc_dump_obj() function. Instead of passing a
real address which is "objp" an "addr" was used what is wrong and not
initialized.
Link: https://lkml.kernel.org/r/20240111121104.180993-1-urezki@xxxxxxxxx
Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Fixes: 86817057732a ("mm: vmalloc: remove global vmap_area_root rb-tree")
Closes: https://lore.kernel.org/oe-kbuild-all/202401111810.TKPIXLCs-lkp@xxxxxxxxx/
Cc: Baoquan He <bhe@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Dave Chinner <david@xxxxxxxxxxxxx>
Cc: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Cc: Lorenzo Stoakes <lstoakes@xxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Nathan Chancellor <nathan@xxxxxxxxxx>
Cc: Oleksiy Avramchenko <oleksiy.avramchenko@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmalloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/vmalloc.c~mm-vmalloc-remove-global-vmap_area_root-rb-tree-fix-2
+++ a/mm/vmalloc.c
@@ -4342,7 +4342,7 @@ bool vmalloc_dump_obj(void *object)
vn = addr_to_node((unsigned long)objp);
if (spin_trylock(&vn->busy.lock)) {
- va = __find_vmap_area(addr, &vn->busy.root);
+ va = __find_vmap_area((unsigned long)objp, &vn->busy.root);
if (va && va->vm) {
addr = (unsigned long)va->vm->addr;
_
Patches currently in -mm which might be from urezki@xxxxxxxxx are
mm-vmalloc-add-va_alloc-helper.patch
mm-vmalloc-rename-adjust_va_to_fit_type-function.patch
mm-vmalloc-move-vmap_init_free_space-down-in-vmallocc.patch
mm-vmalloc-remove-global-vmap_area_root-rb-tree.patch
mm-vmalloc-remove-global-vmap_area_root-rb-tree-fix.patch
mm-vmalloc-remove-global-vmap_area_root-rb-tree-fix-2.patch
mm-vmalloc-remove-vmap_area_list-fix.patch
mm-vmalloc-remove-global-purge_vmap_area_root-rb-tree.patch
mm-vmalloc-offload-free_vmap_area_lock-lock.patch
mm-vmalloc-support-multiple-nodes-in-vread_iter.patch
mm-vmalloc-support-multiple-nodes-in-vmallocinfo.patch
mm-vmalloc-set-nr_nodes-based-on-cpus-in-a-system.patch
mm-vmalloc-add-a-shrinker-to-drain-vmap-pools.patch
