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f2fs: do not return EFSCORRUPTED, but try to run online repair 

commit 50a472bbc79ff9d5a88be8019a60e936cadf9f13 upstream.

If we return the error, there's no way to recover the status as of now, since
fsck does not fix the xattr boundary issue.

Cc: stable@vger.kernel.org
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jaegeuk Kim 2023-10-19 15:51:08 -07:00 committed by Greg Kroah-Hartman
parent 74ee67b1a7
commit 9de9f078bd
2 changed files with 16 additions and 8 deletions
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4
fs/f2fs/node.c
View File

@ -2751,7 +2751,9 @@ recover_xnid:
f2fs_update_inode_page(inode);
/* 3: update and set xattr node page dirty */
memcpy(F2FS_NODE(xpage), F2FS_NODE(page), VALID_XATTR_BLOCK_SIZE);
if (page)
memcpy(F2FS_NODE(xpage), F2FS_NODE(page),
VALID_XATTR_BLOCK_SIZE);
set_page_dirty(xpage);
f2fs_put_page(xpage, 1);

20
fs/f2fs/xattr.c
View File

@ -364,10 +364,10 @@ static int lookup_all_xattrs(struct inode *inode, struct page *ipage,
*xe = __find_xattr(cur_addr, last_txattr_addr, NULL, index, len, name);
if (!*xe) {
f2fs_err(F2FS_I_SB(inode), "inode (%lu) has corrupted xattr",
f2fs_err(F2FS_I_SB(inode), "lookup inode (%lu) has corrupted xattr",
inode->i_ino);
set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
err = -EFSCORRUPTED;
err = -ENODATA;
f2fs_handle_error(F2FS_I_SB(inode),
ERROR_CORRUPTED_XATTR);
goto out;
@ -584,13 +584,12 @@ ssize_t f2fs_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
if ((void *)(entry) + sizeof(__u32) > last_base_addr ||
(void *)XATTR_NEXT_ENTRY(entry) > last_base_addr) {
f2fs_err(F2FS_I_SB(inode), "inode (%lu) has corrupted xattr",
f2fs_err(F2FS_I_SB(inode), "list inode (%lu) has corrupted xattr",
inode->i_ino);
set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
error = -EFSCORRUPTED;
f2fs_handle_error(F2FS_I_SB(inode),
ERROR_CORRUPTED_XATTR);
goto cleanup;
break;
}
if (!prefix)
@ -650,7 +649,7 @@ static int __f2fs_setxattr(struct inode *inode, int index,
if (size > MAX_VALUE_LEN(inode))
return -E2BIG;
retry:
error = read_all_xattrs(inode, ipage, &base_addr);
if (error)
return error;
@ -660,7 +659,14 @@ static int __f2fs_setxattr(struct inode *inode, int index,
/* find entry with wanted name. */
here = __find_xattr(base_addr, last_base_addr, NULL, index, len, name);
if (!here) {
f2fs_err(F2FS_I_SB(inode), "inode (%lu) has corrupted xattr",
if (!F2FS_I(inode)->i_xattr_nid) {
f2fs_notice(F2FS_I_SB(inode),
"recover xattr in inode (%lu)", inode->i_ino);
f2fs_recover_xattr_data(inode, NULL);
kfree(base_addr);
goto retry;
}
f2fs_err(F2FS_I_SB(inode), "set inode (%lu) has corrupted xattr",
inode->i_ino);
set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
error = -EFSCORRUPTED;