tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: edd1ec2e3a9f5de7fb267a3af73e4f00e7e052b7 commit: 0e8540d012189259261c75360d2725a2107761e7 [4148/4951] file: reclaim 24 bytes from f_owner config: hexagon-randconfig-r123-20240814 (https://download.01.org/0day-ci/archive/20240815/202408152155.21zGGsA0-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project f86594788ce93b696675c94f54016d27a6c21d18) reproduce: (https://download.01.org/0day-ci/archive/20240815/202408152155.21zGGsA0-lkp@xxxxxxxxx/reproduce) 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408152155.21zGGsA0-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> fs/fcntl.c:111:13: sparse: sparse: Using plain integer as NULL pointer fs/fcntl.c:488:47: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected struct flock [noderef] __user *user @@ got struct flock * @@ fs/fcntl.c:488:47: sparse: expected struct flock [noderef] __user *user fs/fcntl.c:488:47: sparse: got struct flock * fs/fcntl.c:502:51: sparse: sparse: incorrect type in argument 4 (different address spaces) @@ expected struct flock [noderef] __user *user @@ got struct flock * @@ fs/fcntl.c:502:51: sparse: expected struct flock [noderef] __user *user fs/fcntl.c:502:51: sparse: got struct flock * fs/fcntl.c:1068:9: sparse: sparse: incompatible types in comparison expression (different address spaces): fs/fcntl.c:1068:9: sparse: struct fasync_struct [noderef] __rcu * fs/fcntl.c:1068:9: sparse: struct fasync_struct * fs/fcntl.c:1146:22: sparse: sparse: incompatible types in comparison expression (different address spaces): fs/fcntl.c:1146:22: sparse: struct fasync_struct [noderef] __rcu * fs/fcntl.c:1146:22: sparse: struct fasync_struct * fs/fcntl.c:1157:33: sparse: sparse: incompatible types in comparison expression (different address spaces): fs/fcntl.c:1157:33: sparse: struct fasync_struct [noderef] __rcu * fs/fcntl.c:1157:33: sparse: struct fasync_struct * fs/fcntl.c:306:9: sparse: sparse: context imbalance in 'f_getown_ex' - different lock contexts for basic block vim +111 fs/fcntl.c 91 92 /* 93 * Allocate an file->f_owner struct if it doesn't exist, handling racing 94 * allocations correctly. 95 */ 96 int file_f_owner_allocate(struct file *file) 97 { 98 struct fown_struct *f_owner; 99 100 f_owner = file_f_owner(file); 101 if (f_owner) 102 return 0; 103 104 f_owner = kzalloc(sizeof(struct fown_struct), GFP_KERNEL); 105 if (!f_owner) 106 return -ENOMEM; 107 108 rwlock_init(&f_owner->lock); 109 f_owner->file = file; 110 /* If someone else raced us, drop our allocation. */ > 111 if (unlikely(cmpxchg(&file->f_owner, NULL, f_owner))) 112 kfree(f_owner); 113 return 0; 114 } 115 EXPORT_SYMBOL(file_f_owner_allocate); 116 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
