[cel:simple-offset-maple 5/7] lib/test_maple_tree.c:3612 alloc_cyclic_testing() warn: sleeping in atomic context

[cel:simple-offset-maple 5/7] lib/test_maple_tree.c:3612 alloc_cyclic_testing() warn: sleeping in atomic context

[kernel test robot]

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: "Liam R. Howlett" <Liam.Howlett@oracle.com>
CC: Chuck Lever <chuck.lever@oracle.com>

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux simple-offset-maple
head:   380438ec8aea040862920a4abd295062125939fe
commit: c9d26c93c59232dcd560b8275e9c2a7f058c9a39 [5/7] test_maple_tree: testing the cyclic allocation
:::::: branch date: 4 hours ago
:::::: commit date: 2 days ago
config: i386-randconfig-141-20240214 (https://download.01.org/0day-ci/archive/20240216/202402160419.2pdB2GFG-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202402160419.2pdB2GFG-lkp@intel.com/

smatch warnings:
lib/test_maple_tree.c:3612 alloc_cyclic_testing() warn: sleeping in atomic context

vim +3612 lib/test_maple_tree.c

eb2e817f38cafb Liam R. Howlett 2023-05-18  3601  
c9d26c93c59232 Liam R. Howlett 2024-02-13  3602  static noinline void __init alloc_cyclic_testing(struct maple_tree *mt)
c9d26c93c59232 Liam R. Howlett 2024-02-13  3603  {
c9d26c93c59232 Liam R. Howlett 2024-02-13  3604  	unsigned long location;
c9d26c93c59232 Liam R. Howlett 2024-02-13  3605  	unsigned long next;
c9d26c93c59232 Liam R. Howlett 2024-02-13  3606  	int ret = 0;
c9d26c93c59232 Liam R. Howlett 2024-02-13  3607  	MA_STATE(mas, mt, 0, 0);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3608  
c9d26c93c59232 Liam R. Howlett 2024-02-13  3609  	next = 0;
c9d26c93c59232 Liam R. Howlett 2024-02-13  3610  	mtree_lock(mt);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3611  	for (int i = 0; i < 100; i++) {
c9d26c93c59232 Liam R. Howlett 2024-02-13 @3612  		mas_alloc_cyclic(&mas, &location, mt, 2, ULONG_MAX, &next, GFP_KERNEL);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3613  		MAS_BUG_ON(&mas, i != location - 2);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3614  		MAS_BUG_ON(&mas, mas.index != location);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3615  		MAS_BUG_ON(&mas, mas.last != location);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3616  		MAS_BUG_ON(&mas, i != next - 3);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3617  	}
c9d26c93c59232 Liam R. Howlett 2024-02-13  3618  
c9d26c93c59232 Liam R. Howlett 2024-02-13  3619  	mtree_unlock(mt);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3620  	mtree_destroy(mt);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3621  	next = 0;
c9d26c93c59232 Liam R. Howlett 2024-02-13  3622  	mt_init_flags(mt, MT_FLAGS_ALLOC_RANGE);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3623  	for (int i = 0; i < 100; i++) {
c9d26c93c59232 Liam R. Howlett 2024-02-13  3624  		mtree_alloc_cyclic(mt, &location, mt, 2, ULONG_MAX, &next, GFP_KERNEL);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3625  		MT_BUG_ON(mt, i != location - 2);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3626  		MT_BUG_ON(mt, i != next - 3);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3627  		MT_BUG_ON(mt, mtree_load(mt, location) != mt);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3628  	}
c9d26c93c59232 Liam R. Howlett 2024-02-13  3629  
c9d26c93c59232 Liam R. Howlett 2024-02-13  3630  	mtree_destroy(mt);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3631  	/* Overflow test */
c9d26c93c59232 Liam R. Howlett 2024-02-13  3632  	next = ULONG_MAX - 1;
c9d26c93c59232 Liam R. Howlett 2024-02-13  3633  	ret = mtree_alloc_cyclic(mt, &location, mt, 2, ULONG_MAX, &next, GFP_KERNEL);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3634  	MT_BUG_ON(mt, ret != 0);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3635  	ret = mtree_alloc_cyclic(mt, &location, mt, 2, ULONG_MAX, &next, GFP_KERNEL);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3636  	MT_BUG_ON(mt, ret != 0);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3637  	ret = mtree_alloc_cyclic(mt, &location, mt, 2, ULONG_MAX, &next, GFP_KERNEL);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3638  	MT_BUG_ON(mt, ret != 1);
c9d26c93c59232 Liam R. Howlett 2024-02-13  3639  }
c9d26c93c59232 Liam R. Howlett 2024-02-13  3640  

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