* [ammarfaizi2-block:google/android/kernel/common/android13-5.10 7542/9999] fs/fuse/dir.c:392:18: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1
@ 2022-08-13 20:47 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-08-13 20:47 UTC (permalink / raw)
To: Ammar Faizi, GNU/Weeb Mailing List; +Cc: kbuild-all
tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android13-5.10
head: aadf7ad9db2f7d93ecfb34d0e4f328519460c94e
commit: 88b7179fcdb59ade839972bb6042e2b986e7cd57 [7542/9999] ANDROID: fuse: Move functions in preparation for fuse-bpf
config: arm-s3c2410_defconfig (https://download.01.org/0day-ci/archive/20220814/[email protected]/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 3329cec2f79185bafd678f310fafadba2a8c76d2)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://github.com/ammarfaizi2/linux-block/commit/88b7179fcdb59ade839972bb6042e2b986e7cd57
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android13-5.10
git checkout 88b7179fcdb59ade839972bb6042e2b986e7cd57
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash fs/fuse/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <[email protected]>
All warnings (new ones prefixed by >>):
>> fs/fuse/dev.c:1708:17: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
args->in_pages = true;
^ ~~~~
1 warning generated.
--
>> fs/fuse/dir.c:392:18: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
args.out_argvar = 1;
^ ~
fs/fuse/dir.c:1352:20: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap.args.out_pages = true;
^ ~~~~
fs/fuse/dir.c:1353:21: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap.args.out_argvar = true;
^ ~~~~
fs/fuse/dir.c:1354:23: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap.args.page_zeroing = true;
^ ~~~~
4 warnings generated.
--
>> fs/fuse/file.c:293:17: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ra->args.force = true;
^ ~~~~
fs/fuse/file.c:294:19: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ra->args.nocreds = true;
^ ~~~~
fs/fuse/file.c:501:13: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
args.force = true;
^ ~~~~
fs/fuse/file.c:604:19: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
args->out_argvar = true;
^ ~~~~
fs/fuse/file.c:827:27: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
.ap.args.page_zeroing = true,
^~~~
fs/fuse/file.c:828:24: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
.ap.args.out_pages = true,
^~~~
fs/fuse/file.c:931:21: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap->args.out_pages = true;
^ ~~~~
fs/fuse/file.c:932:24: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap->args.page_zeroing = true;
^ ~~~~
fs/fuse/file.c:933:24: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap->args.page_replace = true;
^ ~~~~
fs/fuse/file.c:1151:20: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap->args.in_pages = true;
^ ~~~~
fs/fuse/file.c:1424:21: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap->args.in_pages = true;
^ ~~~~
fs/fuse/file.c:1426:22: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap->args.out_pages = true;
^ ~~~~
fs/fuse/file.c:1673:14: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
args->force = true;
^ ~~~~
fs/fuse/file.c:1674:16: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
args->nocreds = true;
^ ~~~~
fs/fuse/file.c:1917:20: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap->args.in_pages = true;
^ ~~~~
fs/fuse/file.c:2168:21: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap->args.in_pages = true;
^ ~~~~
fs/fuse/file.c:2900:20: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap.args.in_pages = true;
^ ~~~~
fs/fuse/file.c:2915:20: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap.args.out_pages = true;
^ ~~~~
fs/fuse/file.c:2916:21: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap.args.out_argvar = true;
^ ~~~~
19 warnings generated.
--
>> fs/fuse/inode.c:467:14: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
args.force = true;
^ ~~~~
fs/fuse/inode.c:468:16: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
args.nocreds = true;
^ ~~~~
fs/fuse/inode.c:1147:22: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ia->args.out_argvar = true;
^ ~~~~
fs/fuse/inode.c:1150:17: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ia->args.force = true;
^ ~~~~
fs/fuse/inode.c:1151:19: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ia->args.nocreds = true;
^ ~~~~
5 warnings generated.
--
>> fs/fuse/xattr.c:73:19: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
args.out_argvar = true;
^ ~~~~
fs/fuse/xattr.c:135:19: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
args.out_argvar = true;
^ ~~~~
2 warnings generated.
--
>> fs/fuse/readdir.c:269:13: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
args.force = true;
^ ~~~~
fs/fuse/readdir.c:270:15: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
args.noreply = true;
^ ~~~~
fs/fuse/readdir.c:338:21: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Wbitfield-constant-conversion]
ap->args.out_pages = true;
^ ~~~~
3 warnings generated.
vim +/int +392 fs/fuse/dir.c
bf109c64040f5b Max Reitz 2020-04-21 364
aca265111afaf8 Daniel Rosenberg 2016-04-22 365 /*
aca265111afaf8 Daniel Rosenberg 2016-04-22 366 * Get the canonical path. Since we must translate to a path, this must be done
aca265111afaf8 Daniel Rosenberg 2016-04-22 367 * in the context of the userspace daemon, however, the userspace daemon cannot
aca265111afaf8 Daniel Rosenberg 2016-04-22 368 * look up paths on its own. Instead, we handle the lookup as a special case
aca265111afaf8 Daniel Rosenberg 2016-04-22 369 * inside of the write request.
aca265111afaf8 Daniel Rosenberg 2016-04-22 370 */
aca265111afaf8 Daniel Rosenberg 2016-04-22 371 static void fuse_dentry_canonical_path(const struct path *path,
aca265111afaf8 Daniel Rosenberg 2016-04-22 372 struct path *canonical_path)
aca265111afaf8 Daniel Rosenberg 2016-04-22 373 {
aca265111afaf8 Daniel Rosenberg 2016-04-22 374 struct inode *inode = d_inode(path->dentry);
aca265111afaf8 Daniel Rosenberg 2016-04-22 375 //struct fuse_conn *fc = get_fuse_conn(inode);
aca265111afaf8 Daniel Rosenberg 2016-04-22 376 struct fuse_mount *fm = get_fuse_mount_super(path->mnt->mnt_sb);
aca265111afaf8 Daniel Rosenberg 2016-04-22 377 FUSE_ARGS(args);
aca265111afaf8 Daniel Rosenberg 2016-04-22 378 char *path_name;
aca265111afaf8 Daniel Rosenberg 2016-04-22 379 int err;
aca265111afaf8 Daniel Rosenberg 2016-04-22 380
dea48f8c40900e Biao Li 2021-08-04 381 path_name = (char *)get_zeroed_page(GFP_KERNEL);
aca265111afaf8 Daniel Rosenberg 2016-04-22 382 if (!path_name)
aca265111afaf8 Daniel Rosenberg 2016-04-22 383 goto default_path;
aca265111afaf8 Daniel Rosenberg 2016-04-22 384
aca265111afaf8 Daniel Rosenberg 2016-04-22 385 args.opcode = FUSE_CANONICAL_PATH;
aca265111afaf8 Daniel Rosenberg 2016-04-22 386 args.nodeid = get_node_id(inode);
aca265111afaf8 Daniel Rosenberg 2016-04-22 387 args.in_numargs = 0;
aca265111afaf8 Daniel Rosenberg 2016-04-22 388 args.out_numargs = 1;
aca265111afaf8 Daniel Rosenberg 2016-04-22 389 args.out_args[0].size = PATH_MAX;
aca265111afaf8 Daniel Rosenberg 2016-04-22 390 args.out_args[0].value = path_name;
aca265111afaf8 Daniel Rosenberg 2016-04-22 391 args.canonical_path = canonical_path;
aca265111afaf8 Daniel Rosenberg 2016-04-22 @392 args.out_argvar = 1;
aca265111afaf8 Daniel Rosenberg 2016-04-22 393
aca265111afaf8 Daniel Rosenberg 2016-04-22 394 err = fuse_simple_request(fm, &args);
aca265111afaf8 Daniel Rosenberg 2016-04-22 395 free_page((unsigned long)path_name);
aca265111afaf8 Daniel Rosenberg 2016-04-22 396 if (err > 0)
aca265111afaf8 Daniel Rosenberg 2016-04-22 397 return;
aca265111afaf8 Daniel Rosenberg 2016-04-22 398 default_path:
aca265111afaf8 Daniel Rosenberg 2016-04-22 399 canonical_path->dentry = path->dentry;
aca265111afaf8 Daniel Rosenberg 2016-04-22 400 canonical_path->mnt = path->mnt;
aca265111afaf8 Daniel Rosenberg 2016-04-22 401 path_get(canonical_path);
aca265111afaf8 Daniel Rosenberg 2016-04-22 402 }
aca265111afaf8 Daniel Rosenberg 2016-04-22 403
:::::: The code at line 392 was first introduced by commit
:::::: aca265111afaf8a664d0c53f086258613a5d3808 ANDROID: fuse: Add support for d_canonical_path
:::::: TO: Daniel Rosenberg <[email protected]>
:::::: CC: Alessio Balsini <[email protected]>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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2022-08-13 20:47 [ammarfaizi2-block:google/android/kernel/common/android13-5.10 7542/9999] fs/fuse/dir.c:392:18: warning: implicit truncation from 'int' to bit-field changes value from 1 to -1 kernel test robot
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