lustre/kernel_patches/patches/ext3-use-after-free-2.4.19-pre1.patch

   1  ./fs/ext3/namei.c |   11 +++++------
   2  1 files changed, 5 insertions(+), 6 deletions(-)
   3
   4 Index: linux-2.4.19-pre1/./fs/ext3/namei.c
   5 ===================================================================
   6 --- linux-2.4.19-pre1.orig/./fs/ext3/namei.c    2003-11-21 01:52:06.000000000 +0300
   7 +++ linux-2.4.19-pre1/./fs/ext3/namei.c 2003-11-21 01:58:15.000000000 +0300
   8 @@ -1522,8 +1522,11 @@
   9  {
  10         int err = ext3_add_entry(handle, dentry, inode);
  11         if (!err) {
  12 -               d_instantiate(dentry, inode);
  13 -               return 0;
  14 +               err = ext3_mark_inode_dirty(handle, inode);
  15 +               if (err == 0) {
  16 +                       d_instantiate(dentry, inode);
  17 +                       return 0;
  18 +               }
  19         }
  20         ext3_dec_count(handle, inode);
  21         iput(inode);
  22 @@ -1559,7 +1562,6 @@
  23                 inode->i_op = &ext3_file_inode_operations;
  24                 inode->i_fop = &ext3_file_operations;
  25                 inode->i_mapping->a_ops = &ext3_aops;
  26 -               ext3_mark_inode_dirty(handle, inode);
  27                 err = ext3_add_nondir(handle, dentry, inode);
  28         }
  29         ext3_journal_stop(handle, dir);
  30 @@ -1586,7 +1588,6 @@
  31         err = PTR_ERR(inode);
  32         if (!IS_ERR(inode)) {
  33                 init_special_inode(inode, mode, rdev);
  34 -               ext3_mark_inode_dirty(handle, inode);
  35                 err = ext3_add_nondir(handle, dentry, inode);
  36         }
  37         ext3_journal_stop(handle, dir);
  38 @@ -2035,7 +2036,6 @@
  39                 inode->i_size = l-1;
  40         }
  41         inode->u.ext3_i.i_disksize = inode->i_size;
  42 -       ext3_mark_inode_dirty(handle, inode);
  43         err = ext3_add_nondir(handle, dentry, inode);
  44  out_stop:
  45         ext3_journal_stop(handle, dir);
  46 @@ -2069,7 +2069,6 @@
  47         ext3_inc_count(handle, inode);
  48         atomic_inc(&inode->i_count);
  49
  50 -       ext3_mark_inode_dirty(handle, inode);
  51         err = ext3_add_nondir(handle, dentry, inode);
  52         ext3_journal_stop(handle, dir);
  53         return err;