tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: 2db8add7871ad9a3a9a0d79a35333cd57a7b3c34 commit: 2db8add7871ad9a3a9a0d79a35333cd57a7b3c34 [10/10] ANDROID: Initial commit of Incremental FS config: nios2-allyesconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 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 git checkout 2db8add7871ad9a3a9a0d79a35333cd57a7b3c34 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from include/linux/kernel.h:15, from include/linux/crypto.h:16, from include/crypto/hash.h:11, from fs/incfs/integrity.c:6: fs/incfs/integrity.c: In function 'incfs_validate_pkcs7_signature': 24 | pr_debug("PKCS#7 parsing error. ptr=%p size=%ld err=%ld\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:283:21: note: in definition of macro 'pr_fmt' 283 | #define pr_fmt(fmt) fmt | ^~~ include/linux/dynamic_debug.h:143:2: note: in expansion of macro '__dynamic_func_call' 143 | __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:153:2: note: in expansion of macro '_dynamic_func_call' 153 | _dynamic_func_call(fmt, __dynamic_pr_debug, \ | ^~~~~~~~~~~~~~~~~~ include/linux/printk.h:331:2: note: in expansion of macro 'dynamic_pr_debug' 331 | dynamic_pr_debug(fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~ fs/incfs/integrity.c:24:3: note: in expansion of macro 'pr_debug' 24 | pr_debug("PKCS#7 parsing error. ptr=%p size=%ld err=%ld\n", | ^~~~~~~~ fs/incfs/integrity.c:24:49: note: format string is defined here 24 | pr_debug("PKCS#7 parsing error. ptr=%p size=%ld err=%ld\n", | ~~^ | | | long int | %d -- In file included from fs/incfs/vfs.c:22: fs/incfs/data_mgmt.h: In function 'get_incfs_node': fs/incfs/data_mgmt.h:263:27: warning: comparison is always true due to limited range of data type [-Wtype-limits] 263 | if (inode->i_sb->s_magic != INCFS_MAGIC_NUMBER) { | ^~ fs/incfs/vfs.c: In function 'ioctl_create_file': fs/incfs/vfs.c:1324:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 1324 | (struct incfs_file_signature_info __user *) | ^ fs/incfs/vfs.c: At top level: 2058 | struct dentry *incfs_mount_fs(struct file_system_type *type, int flags, | ^~~~~~~~~~~~~~ In file included from fs/incfs/vfs.c:19: fs/incfs/vfs.c: In function 'incfs_mount_fs': include/uapi/linux/incrementalfs.h:21:28: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '357661101641' to '1178816073' [-Woverflow] 21 | #define INCFS_MAGIC_NUMBER (0x5346434e49ul) | ^ fs/incfs/vfs.c:2076:16: note: in expansion of macro 'INCFS_MAGIC_NUMBER' 2076 | sb->s_magic = INCFS_MAGIC_NUMBER; | ^~~~~~~~~~~~~~~~~~ fs/incfs/vfs.c: At top level: 2177 | void incfs_kill_sb(struct super_block *sb) | ^~~~~~~~~~~~~ git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.4 git checkout 2db8add7871ad9a3a9a0d79a35333cd57a7b3c34 vim +24 fs/incfs/integrity.c 7 #include <linux/err.h> 8 #include <linux/version.h> 9 #include <crypto/pkcs7.h> 10 11 #include "integrity.h" 12 13 int incfs_validate_pkcs7_signature(struct mem_range pkcs7_blob, 14 struct mem_range root_hash, struct mem_range add_data) 15 { 16 struct pkcs7_message *pkcs7 = NULL; 17 const void *data = NULL; 18 size_t data_len = 0; 19 const char *p; 20 int err; 21 22 pkcs7 = pkcs7_parse_message(pkcs7_blob.data, pkcs7_blob.len); 23 if (IS_ERR(pkcs7)) { 25 pkcs7_blob.data, pkcs7_blob.len, -PTR_ERR(pkcs7)); 26 return PTR_ERR(pkcs7); 27 } 28 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org