tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-4.14 head: 688906fda2ad214f58200cf0a3533b952750e3aa commit: 688906fda2ad214f58200cf0a3533b952750e3aa [2/2] f2fs: use EINVAL for superblock with invalid magic config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 688906fda2ad214f58200cf0a3533b952750e3aa # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from fs/f2fs/f2fs.h:19:0, from fs/f2fs/super.c:30: fs/f2fs/super.c: In function 'sanity_check_raw_super': #define F2FS_SUPER_MAGIC 0xF2F52010 ^ F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); ^~~~~~~~~~~~~~~~ fs/f2fs/super.c:177:6: note: expected 'const char *' but argument is of type 'unsigned int' void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...) ^~~~~~~~ -- In file included from fs//f2fs/f2fs.h:19:0, from fs//f2fs/super.c:30: fs//f2fs/super.c: In function 'sanity_check_raw_super': #define F2FS_SUPER_MAGIC 0xF2F52010 ^ fs//f2fs/super.c:1819:4: note: in expansion of macro 'F2FS_SUPER_MAGIC' F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); ^~~~~~~~~~~~~~~~ fs//f2fs/super.c:177:6: note: expected 'const char *' but argument is of type 'unsigned int' void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...) ^~~~~~~~ vim +/f2fs_msg +28 include/uapi/linux/magic.h e18fa700c9a313 include/linux/magic.h Jeff Garzik 2006-09-24 4 e18fa700c9a313 include/linux/magic.h Jeff Garzik 2006-09-24 5 #define ADFS_SUPER_MAGIC 0xadf5 e18fa700c9a313 include/linux/magic.h Jeff Garzik 2006-09-24 6 #define AFFS_SUPER_MAGIC 0xadff dd2c565999e015 include/linux/magic.h Adam Megacz 2007-01-05 7 #define AFS_SUPER_MAGIC 0x5346414F e18fa700c9a313 include/linux/magic.h Jeff Garzik 2006-09-24 8 #define AUTOFS_SUPER_MAGIC 0x0187 e18fa700c9a313 include/linux/magic.h Jeff Garzik 2006-09-24 9 #define CODA_SUPER_MAGIC 0x73757245 8688b8635266cf include/linux/magic.h Mike Frysinger 2009-05-26 10 #define CRAMFS_MAGIC 0x28cd3d45 /* some random number */ 8688b8635266cf include/linux/magic.h Mike Frysinger 2009-05-26 11 #define CRAMFS_MAGIC_WEND 0x453dcd28 /* magic number with the wrong endianess */ 92562927826fce include/linux/magic.h Mimi Zohar 2008-10-07 12 #define DEBUGFS_MAGIC 0x64626720 92562927826fce include/linux/magic.h Mimi Zohar 2008-10-07 13 #define SECURITYFS_MAGIC 0x73636673 75834fc3b6fcff include/linux/magic.h Eric Paris 2009-05-18 14 #define SELINUX_MAGIC 0xf97cff8c cee7e443344a38 include/uapi/linux/magic.h Jarkko Sakkinen 2012-11-06 15 #define SMACK_MAGIC 0x43415d53 /* "SMAC" */ a7e3108cca54c1 include/linux/magic.h maximilian attems 2009-09-22 16 #define RAMFS_MAGIC 0x858458f6 /* some random number */ 92562927826fce include/linux/magic.h Mimi Zohar 2008-10-07 17 #define TMPFS_MAGIC 0x01021994 1fd7317d02ec03 include/linux/magic.h Nick Black 2009-09-22 18 #define HUGETLBFS_MAGIC 0x958458f6 /* some random number */ 1bcbf31337391a include/linux/magic.h Qinghuang Feng 2009-01-15 19 #define SQUASHFS_MAGIC 0x73717368 2a8652f4e0d11e include/linux/magic.h Roberto Sassu 2010-11-03 20 #define ECRYPTFS_SUPER_MAGIC 0xf15f e18fa700c9a313 include/linux/magic.h Jeff Garzik 2006-09-24 21 #define EFS_SUPER_MAGIC 0x414A53 e18fa700c9a313 include/linux/magic.h Jeff Garzik 2006-09-24 22 #define EXT2_SUPER_MAGIC 0xEF53 e18fa700c9a313 include/linux/magic.h Jeff Garzik 2006-09-24 23 #define EXT3_SUPER_MAGIC 0xEF53 1107ba885e4696 include/linux/magic.h Alex Zeffertt 2009-01-07 24 #define XENFS_SUPER_MAGIC 0xabba1974 02ea2104c55b62 include/linux/magic.h Mingming Cao 2006-10-11 25 #define EXT4_SUPER_MAGIC 0xEF53 1bcbf31337391a include/linux/magic.h Qinghuang Feng 2009-01-15 26 #define BTRFS_SUPER_MAGIC 0x9123683E 4d3cf1bc557dc8 include/linux/magic.h Jiro SEKIBA 2011-03-10 27 #define NILFS_SUPER_MAGIC 0x3434 39a53e0ce0df01 include/uapi/linux/magic.h Jaegeuk Kim 2012-11-28 @28 #define F2FS_SUPER_MAGIC 0xF2F52010 e18fa700c9a313 include/linux/magic.h Jeff Garzik 2006-09-24 29 #define HPFS_SUPER_MAGIC 0xf995e849 e18fa700c9a313 include/linux/magic.h Jeff Garzik 2006-09-24 30 #define ISOFS_SUPER_MAGIC 0x9660 e18fa700c9a313 include/linux/magic.h Jeff Garzik 2006-09-24 31 #define JFFS2_SUPER_MAGIC 0x72b6 ca01d6dd2d7a26 include/linux/magic.h Tony Luck 2010-12-28 32 #define PSTOREFS_MAGIC 0x6165676C 91716322d834cb include/uapi/linux/magic.h Matt Fleming 2012-10-22 33 #define EFIVARFS_MAGIC 0xde5e81e4 2b3b9bb03a9fb1 include/uapi/linux/magic.h James Hogan 2013-03-27 34 #define HOSTFS_SUPER_MAGIC 0x00c0ffee 257f871993474e include/uapi/linux/magic.h Stephen Hemminger 2015-11-04 35 #define OVERLAYFS_SUPER_MAGIC 0x794c7630 e18fa700c9a313 include/linux/magic.h Jeff Garzik 2006-09-24 36 :::::: The code at line 28 was first introduced by commit :::::: 39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5 f2fs: add superblock and major in-memory structure :::::: TO: Jaegeuk Kim <jaegeuk.kim(a)samsung.com&gt; :::::: CC: Jaegeuk Kim <jaegeuk.kim(a)samsung.com&gt; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation