Merge tag 'fs_for_v5.10-rc1' of git://git.kernel.org/pub/scm/linux/ke…

…rnel/git/jack/linux-fs

Pull UDF, reiserfs, ext2, quota fixes from Jan Kara:

 - a couple of UDF fixes for issues found by syzbot fuzzing

 - a couple of reiserfs fixes for issues found by syzbot fuzzing

 - some minor ext2 cleanups

 - quota patches to support grace times beyond year 2038 for XFS quota
   APIs

* tag 'fs_for_v5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  reiserfs: Fix oops during mount
  udf: Limit sparing table size
  udf: Remove pointless union in udf_inode_info
  udf: Avoid accessing uninitialized data on failed inode read
  quota: clear padding in v2r1_mem2diskdqb()
  reiserfs: Initialize inode keys properly
  udf: Fix memory leak when mounting
  udf: Remove redundant initialization of variable ret
  reiserfs: only call unlock_new_inode() if I_NEW
  ext2: Fix some kernel-doc warnings in balloc.c
  quota: Expand comment describing d_itimer
  quota: widen timestamps for the fs_disk_quota structure
  reiserfs: Fix memory leak in reiserfs_parse_options()
  udf: Use kvzalloc() in udf_sb_alloc_bitmap()
  ext2: remove duplicate include

fs/ext2/balloc.c

@@ -189,7 +189,7 @@ static void group_adjust_blocks(struct super_block *sb, int group_no,
 
 /**
  * __rsv_window_dump() -- Dump the filesystem block allocation reservation map
- * @rb_root:		root of per-filesystem reservation rb tree
+ * @root:		root of per-filesystem reservation rb tree
  * @verbose:		verbose mode
  * @fn:			function which wishes to dump the reservation map
  *
@@ -282,7 +282,7 @@ goal_in_my_reservation(struct ext2_reserve_window *rsv, ext2_grpblk_t grp_goal,
 
 /**
  * search_reserve_window()
- * @rb_root:		root of reservation tree
+ * @root:		root of reservation tree
  * @goal:		target allocation block
  *
  * Find the reserved window which includes the goal, or the previous one
@@ -859,7 +859,7 @@ static int find_next_reservable_window(
  *
  *	failed: we failed to find a reservation window in this group
  *
- *	@rsv: the reservation
+ *	@my_rsv: the reservation
  *
  *	@grp_goal: The goal (group-relative).  It is where the search for a
  *		free reservable space should start from.

fs/ext2/inode.c

@@ -36,7 +36,6 @@
 #include <linux/iomap.h>
 #include <linux/namei.h>
 #include <linux/uio.h>
-#include <linux/fiemap.h>
 #include "ext2.h"
 #include "acl.h"
 #include "xattr.h"

fs/quota/quota.c

@@ -532,6 +532,14 @@ static inline u64 quota_btobb(u64 bytes)
 	return (bytes + (1 << XFS_BB_SHIFT) - 1) >> XFS_BB_SHIFT;
 }
 
+static inline s64 copy_from_xfs_dqblk_ts(const struct fs_disk_quota *d,
+		__s32 timer, __s8 timer_hi)
+{
+	if (d->d_fieldmask & FS_DQ_BIGTIME)
+		return (u32)timer | (s64)timer_hi << 32;
+	return timer;
+}
+
 static void copy_from_xfs_dqblk(struct qc_dqblk *dst, struct fs_disk_quota *src)
 {
 	dst->d_spc_hardlimit = quota_bbtob(src->d_blk_hardlimit);
@@ -540,14 +548,17 @@ static void copy_from_xfs_dqblk(struct qc_dqblk *dst, struct fs_disk_quota *src)
 	dst->d_ino_softlimit = src->d_ino_softlimit;
 	dst->d_space = quota_bbtob(src->d_bcount);
 	dst->d_ino_count = src->d_icount;
-	dst->d_ino_timer = src->d_itimer;
-	dst->d_spc_timer = src->d_btimer;
+	dst->d_ino_timer = copy_from_xfs_dqblk_ts(src, src->d_itimer,
+						  src->d_itimer_hi);
+	dst->d_spc_timer = copy_from_xfs_dqblk_ts(src, src->d_btimer,
+						  src->d_btimer_hi);
 	dst->d_ino_warns = src->d_iwarns;
 	dst->d_spc_warns = src->d_bwarns;
 	dst->d_rt_spc_hardlimit = quota_bbtob(src->d_rtb_hardlimit);
 	dst->d_rt_spc_softlimit = quota_bbtob(src->d_rtb_softlimit);
 	dst->d_rt_space = quota_bbtob(src->d_rtbcount);
-	dst->d_rt_spc_timer = src->d_rtbtimer;
+	dst->d_rt_spc_timer = copy_from_xfs_dqblk_ts(src, src->d_rtbtimer,
+						     src->d_rtbtimer_hi);
 	dst->d_rt_spc_warns = src->d_rtbwarns;
 	dst->d_fieldmask = 0;
 	if (src->d_fieldmask & FS_DQ_ISOFT)
@@ -639,10 +650,26 @@ static int quota_setxquota(struct super_block *sb, int type, qid_t id,
 	return sb->s_qcop->set_dqblk(sb, qid, &qdq);
 }
 
+static inline void copy_to_xfs_dqblk_ts(const struct fs_disk_quota *d,
+		__s32 *timer_lo, __s8 *timer_hi, s64 timer)
+{
+	*timer_lo = timer;
+	if (d->d_fieldmask & FS_DQ_BIGTIME)
+		*timer_hi = timer >> 32;
+}
+
+static inline bool want_bigtime(s64 timer)
+{
+	return timer > S32_MAX || timer < S32_MIN;
+}
+
 static void copy_to_xfs_dqblk(struct fs_disk_quota *dst, struct qc_dqblk *src,
 			      int type, qid_t id)
 {
 	memset(dst, 0, sizeof(*dst));
+	if (want_bigtime(src->d_ino_timer) || want_bigtime(src->d_spc_timer) ||
+	    want_bigtime(src->d_rt_spc_timer))
+		dst->d_fieldmask |= FS_DQ_BIGTIME;
 	dst->d_version = FS_DQUOT_VERSION;
 	dst->d_id = id;
 	if (type == USRQUOTA)
@@ -657,14 +684,17 @@ static void copy_to_xfs_dqblk(struct fs_disk_quota *dst, struct qc_dqblk *src,
 	dst->d_ino_softlimit = src->d_ino_softlimit;
 	dst->d_bcount = quota_btobb(src->d_space);
 	dst->d_icount = src->d_ino_count;
-	dst->d_itimer = src->d_ino_timer;
-	dst->d_btimer = src->d_spc_timer;
+	copy_to_xfs_dqblk_ts(dst, &dst->d_itimer, &dst->d_itimer_hi,
+			     src->d_ino_timer);
+	copy_to_xfs_dqblk_ts(dst, &dst->d_btimer, &dst->d_btimer_hi,
+			     src->d_spc_timer);
 	dst->d_iwarns = src->d_ino_warns;
 	dst->d_bwarns = src->d_spc_warns;
 	dst->d_rtb_hardlimit = quota_btobb(src->d_rt_spc_hardlimit);
 	dst->d_rtb_softlimit = quota_btobb(src->d_rt_spc_softlimit);
 	dst->d_rtbcount = quota_btobb(src->d_rt_space);
-	dst->d_rtbtimer = src->d_rt_spc_timer;
+	copy_to_xfs_dqblk_ts(dst, &dst->d_rtbtimer, &dst->d_rtbtimer_hi,
+			     src->d_rt_spc_timer);
 	dst->d_rtbwarns = src->d_rt_spc_warns;
 }
 

fs/quota/quota_v2.c

@@ -282,6 +282,7 @@ static void v2r1_mem2diskdqb(void *dp, struct dquot *dquot)
 	d->dqb_curspace = cpu_to_le64(m->dqb_curspace);
 	d->dqb_btime = cpu_to_le64(m->dqb_btime);
 	d->dqb_id = cpu_to_le32(from_kqid(&init_user_ns, dquot->dq_id));
+	d->dqb_pad = 0;
 	if (qtree_entry_unused(info, dp))
 		d->dqb_itime = cpu_to_le64(1);
 }

fs/reiserfs/inode.c

@@ -1551,11 +1551,7 @@ void reiserfs_read_locked_inode(struct inode *inode,
 	 * set version 1, version 2 could be used too, because stat data
 	 * key is the same in both versions
 	 */
-	key.version = KEY_FORMAT_3_5;
-	key.on_disk_key.k_dir_id = dirino;
-	key.on_disk_key.k_objectid = inode->i_ino;
-	key.on_disk_key.k_offset = 0;
-	key.on_disk_key.k_type = 0;
+	_make_cpu_key(&key, KEY_FORMAT_3_5, dirino, inode->i_ino, 0, 0, 3);
 
 	/* look for the object's stat data */
 	retval = search_item(inode->i_sb, &key, &path_to_sd);
@@ -2163,7 +2159,8 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th,
 out_inserted_sd:
 	clear_nlink(inode);
 	th->t_trans_id = 0;	/* so the caller can't use this handle later */
-	unlock_new_inode(inode); /* OK to do even if we hadn't locked it */
+	if (inode->i_state & I_NEW)
+		unlock_new_inode(inode);
 	iput(inode);
 	return err;
 }

fs/reiserfs/super.c

@@ -1258,6 +1258,10 @@ static int reiserfs_parse_options(struct super_block *s,
 						 "turned on.");
 				return 0;
 			}
+			if (qf_names[qtype] !=
+			    REISERFS_SB(s)->s_qf_names[qtype])
+				kfree(qf_names[qtype]);
+			qf_names[qtype] = NULL;
 			if (*arg) {	/* Some filename specified? */
 				if (REISERFS_SB(s)->s_qf_names[qtype]
 				    && strcmp(REISERFS_SB(s)->s_qf_names[qtype],
@@ -1287,10 +1291,6 @@ static int reiserfs_parse_options(struct super_block *s,
 				else
 					*mount_options |= 1 << REISERFS_GRPQUOTA;
 			} else {
-				if (qf_names[qtype] !=
-				    REISERFS_SB(s)->s_qf_names[qtype])
-					kfree(qf_names[qtype]);
-				qf_names[qtype] = NULL;
 				if (qtype == USRQUOTA)
 					*mount_options &= ~(1 << REISERFS_USRQUOTA);
 				else

fs/reiserfs/xattr.c

@@ -674,6 +674,13 @@ reiserfs_xattr_get(struct inode *inode, const char *name, void *buffer,
 	if (get_inode_sd_version(inode) == STAT_DATA_V1)
 		return -EOPNOTSUPP;
 
+	/*
+	 * priv_root needn't be initialized during mount so allow initial
+	 * lookups to succeed.
+	 */
+	if (!REISERFS_SB(inode->i_sb)->priv_root)
+		return 0;
+
 	dentry = xattr_lookup(inode, name, XATTR_REPLACE);
 	if (IS_ERR(dentry)) {
 		err = PTR_ERR(dentry);

fs/udf/directory.c

@@ -34,7 +34,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
 	fibh->soffset = fibh->eoffset;
 
 	if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
-		fi = udf_get_fileident(iinfo->i_ext.i_data -
+		fi = udf_get_fileident(iinfo->i_data -
 				       (iinfo->i_efe ?
 					sizeof(struct extendedFileEntry) :
 					sizeof(struct fileEntry)),

fs/udf/file.c

@@ -50,7 +50,7 @@ static void __udf_adinicb_readpage(struct page *page)
 	 * So just sample it once and use the same value everywhere.
 	 */
 	kaddr = kmap_atomic(page);
-	memcpy(kaddr, iinfo->i_ext.i_data + iinfo->i_lenEAttr, isize);
+	memcpy(kaddr, iinfo->i_data + iinfo->i_lenEAttr, isize);
 	memset(kaddr + isize, 0, PAGE_SIZE - isize);
 	flush_dcache_page(page);
 	SetPageUptodate(page);
@@ -76,8 +76,7 @@ static int udf_adinicb_writepage(struct page *page,
 	BUG_ON(!PageLocked(page));
 
 	kaddr = kmap_atomic(page);
-	memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr, kaddr,
-		i_size_read(inode));
+	memcpy(iinfo->i_data + iinfo->i_lenEAttr, kaddr, i_size_read(inode));
 	SetPageUptodate(page);
 	kunmap_atomic(kaddr);
 	mark_inode_dirty(inode);
@@ -215,7 +214,7 @@ long udf_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		return put_user(UDF_I(inode)->i_lenEAttr, (int __user *)arg);
 	case UDF_GETEABLOCK:
 		return copy_to_user((char __user *)arg,
-				    UDF_I(inode)->i_ext.i_data,
+				    UDF_I(inode)->i_data,
 				    UDF_I(inode)->i_lenEAttr) ? -EFAULT : 0;
 	default:
 		return -ENOIOCTLCMD;

fs/udf/ialloc.c

@@ -67,16 +67,16 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode)
 		iinfo->i_efe = 1;
 		if (UDF_VERS_USE_EXTENDED_FE > sbi->s_udfrev)
 			sbi->s_udfrev = UDF_VERS_USE_EXTENDED_FE;
-		iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
-					    sizeof(struct extendedFileEntry),
-					    GFP_KERNEL);
+		iinfo->i_data = kzalloc(inode->i_sb->s_blocksize -
+					sizeof(struct extendedFileEntry),
+					GFP_KERNEL);
 	} else {
 		iinfo->i_efe = 0;
-		iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
-					    sizeof(struct fileEntry),
-					    GFP_KERNEL);
+		iinfo->i_data = kzalloc(inode->i_sb->s_blocksize -
+					sizeof(struct fileEntry),
+					GFP_KERNEL);
 	}
-	if (!iinfo->i_ext.i_data) {
+	if (!iinfo->i_data) {
 		iput(inode);
 		return ERR_PTR(-ENOMEM);
 	}