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Subjectfs/ext4/inode.c:83:1: warning: the frame size of 1712 bytes is larger than 1024 bytes
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 12a54b150fb5b6c2f3da932dc0e665355f8a5a48
commit: 81a56f6dcd20325607d6008f4bb560c96f4c821a gcc-plugins: structleak: Generalize to all variable types
date: 7 weeks ago
config: arm64-tizen_tm2_defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 81a56f6dcd20325607d6008f4bb560c96f4c821a
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=arm64

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):

fs/ext4/inode.c: In function 'ext4_inode_csum.isra.0':
>> fs/ext4/inode.c:83:1: warning: the frame size of 1712 bytes is larger than 1024 bytes [-Wframe-larger-than=]
}
^
--
fs/ext4/xattr.c: In function 'ext4_xattr_block_csum.isra.0':
>> fs/ext4/xattr.c:147:1: warning: the frame size of 1184 bytes is larger than 1024 bytes [-Wframe-larger-than=]
}
^
--
fs/ext4/super.c: In function 'ext4_group_desc_csum.isra.92':
>> fs/ext4/super.c:2381:1: warning: the frame size of 1184 bytes is larger than 1024 bytes [-Wframe-larger-than=]
}
^

vim +83 fs/ext4/inode.c

a1d6cc56 Aneesh Kumar K.V 2008-08-19 52
814525f4 Darrick J. Wong 2012-04-29 53 static __u32 ext4_inode_csum(struct inode *inode, struct ext4_inode *raw,
814525f4 Darrick J. Wong 2012-04-29 54 struct ext4_inode_info *ei)
814525f4 Darrick J. Wong 2012-04-29 55 {
814525f4 Darrick J. Wong 2012-04-29 56 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
814525f4 Darrick J. Wong 2012-04-29 57 __u32 csum;
b47820ed Daeho Jeong 2016-07-03 58 __u16 dummy_csum = 0;
b47820ed Daeho Jeong 2016-07-03 59 int offset = offsetof(struct ext4_inode, i_checksum_lo);
b47820ed Daeho Jeong 2016-07-03 60 unsigned int csum_size = sizeof(dummy_csum);
814525f4 Darrick J. Wong 2012-04-29 61
b47820ed Daeho Jeong 2016-07-03 62 csum = ext4_chksum(sbi, ei->i_csum_seed, (__u8 *)raw, offset);
b47820ed Daeho Jeong 2016-07-03 63 csum = ext4_chksum(sbi, csum, (__u8 *)&dummy_csum, csum_size);
b47820ed Daeho Jeong 2016-07-03 64 offset += csum_size;
b47820ed Daeho Jeong 2016-07-03 65 csum = ext4_chksum(sbi, csum, (__u8 *)raw + offset,
b47820ed Daeho Jeong 2016-07-03 66 EXT4_GOOD_OLD_INODE_SIZE - offset);
814525f4 Darrick J. Wong 2012-04-29 67
b47820ed Daeho Jeong 2016-07-03 68 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) {
b47820ed Daeho Jeong 2016-07-03 69 offset = offsetof(struct ext4_inode, i_checksum_hi);
b47820ed Daeho Jeong 2016-07-03 70 csum = ext4_chksum(sbi, csum, (__u8 *)raw +
b47820ed Daeho Jeong 2016-07-03 71 EXT4_GOOD_OLD_INODE_SIZE,
b47820ed Daeho Jeong 2016-07-03 72 offset - EXT4_GOOD_OLD_INODE_SIZE);
b47820ed Daeho Jeong 2016-07-03 73 if (EXT4_FITS_IN_INODE(raw, ei, i_checksum_hi)) {
b47820ed Daeho Jeong 2016-07-03 74 csum = ext4_chksum(sbi, csum, (__u8 *)&dummy_csum,
b47820ed Daeho Jeong 2016-07-03 75 csum_size);
b47820ed Daeho Jeong 2016-07-03 76 offset += csum_size;
b47820ed Daeho Jeong 2016-07-03 77 }
05ac5aa1 Daeho Jeong 2016-12-01 78 csum = ext4_chksum(sbi, csum, (__u8 *)raw + offset,
05ac5aa1 Daeho Jeong 2016-12-01 79 EXT4_INODE_SIZE(inode->i_sb) - offset);
814525f4 Darrick J. Wong 2012-04-29 80 }
814525f4 Darrick J. Wong 2012-04-29 81
814525f4 Darrick J. Wong 2012-04-29 82 return csum;
814525f4 Darrick J. Wong 2012-04-29 @83 }
814525f4 Darrick J. Wong 2012-04-29 84

:::::: The code at line 83 was first introduced by commit
:::::: 814525f4df50a196464ce2c7abe91f693203060f ext4: calculate and verify inode checksums

:::::: TO: Darrick J. Wong <djwong@us.ibm.com>
:::::: CC: Theodore Ts'o <tytso@mit.edu>

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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