Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-09-22 07:53:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix a clang build regression and an potential xattr corruption bug.

Browse Source 
-----BEGIN PGP SIGNATURE-----
 
 iQEzBAABCAAdFiEEK2m5VNv+CHkogTfJ8vlZVpUNgaMFAlmdAHoACgkQ8vlZVpUN
 gaNVsgf/SRn6HaOpX7BdrtkXqjV8VvLZsDmsZPkhchdmTxMpIFJNf16/sg0hqdyJ
 wcTx3y+BkBSjBXLtqK+hslVyg4pUjSBWWZyZ9Dtyi5+B92CJJJBdaHIpcdvd3Ek1
 J/HPQjqcPXL43Cg5SQ0/KgVMhCze9I4bEbNm2evC18bC15hZAVP0FK1hT3FNpyIB
 fhOu9FZdnzlcBlnLdfTqgIEPaHzc6zcJnqpSbkT0InjiJf5cxDionhoaBzUh9Jzg
 bKvkFRDTDWDrBcYStuHwgpELmVVYJGbwjzMVOAcmeCiSJqNbU1/Ym5t3e3rflKmi
 6YEyDhK43iZGiR4/QUffrCxEIzfqrA==
 =dOeQ
 -----END PGP SIGNATURE-----

Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 fixes from Ted Ts'o:
 "Fix a clang build regression and an potential xattr corruption bug"

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: add missing xattr hash update
  ext4: fix clang build regression
This commit is contained in:
Linus Torvalds 2017-08-22 21:30:52 -07:00
commit 98b9f8a454
2 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
fs/ext4/mballoc.c
View File

@ -2300,7 +2300,7 @@ static int ext4_mb_seq_groups_show(struct seq_file *seq, void *v)
EXT4_MAX_BLOCK_LOG_SIZE);
struct sg {
struct ext4_group_info info;
ext4_grpblk_t counters[blocksize_bits + 2];
ext4_grpblk_t counters[EXT4_MAX_BLOCK_LOG_SIZE + 2];
} sg;
group--;
@ -2309,6 +2309,9 @@ static int ext4_mb_seq_groups_show(struct seq_file *seq, void *v)
" 2^0 2^1 2^2 2^3 2^4 2^5 2^6 "
" 2^7 2^8 2^9 2^10 2^11 2^12 2^13 ]\n");
i = (blocksize_bits + 2) * sizeof(sg.info.bb_counters[0]) +
sizeof(struct ext4_group_info);
grinfo = ext4_get_group_info(sb, group);
/* Load the group info in memory only if not already loaded. */
if (unlikely(EXT4_MB_GRP_NEED_INIT(grinfo))) {
@ -2320,7 +2323,7 @@ static int ext4_mb_seq_groups_show(struct seq_file *seq, void *v)
buddy_loaded = 1;
}
memcpy(&sg, ext4_get_group_info(sb, group), sizeof(sg));
memcpy(&sg, ext4_get_group_info(sb, group), i);
if (buddy_loaded)
ext4_mb_unload_buddy(&e4b);

6
fs/ext4/xattr.c
View File

@ -1543,7 +1543,7 @@ static int ext4_xattr_set_entry(struct ext4_xattr_info *i,
/* Clear padding bytes. */
memset(val + i->value_len, 0, new_size - i->value_len);
}
return 0;
goto update_hash;
}
/* Compute min_offs and last. */
@ -1707,6 +1707,7 @@ static int ext4_xattr_set_entry(struct ext4_xattr_info *i,
here->e_value_size = cpu_to_le32(i->value_len);
}
update_hash:
if (i->value) {
__le32 hash = 0;
@ -1725,7 +1726,8 @@ static int ext4_xattr_set_entry(struct ext4_xattr_info *i,
here->e_name_len,
&crc32c_hash, 1);
} else if (is_block) {
__le32 *value = s->base + min_offs - new_size;
__le32 *value = s->base + le16_to_cpu(
here->e_value_offs);
hash = ext4_xattr_hash_entry(here->e_name,
here->e_name_len, value,