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Merge tag 'vfs-5.15-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

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Pull project quota update from Darrick Wong:
 "A single VFS patch that prevents userspace from setting project quota
  ids on files that the VFS considers invalid"

* tag 'vfs-5.15-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  fs: forbid invalid project ID
This commit is contained in:
Linus Torvalds
2021-08-31 11:06:32 -07:00
parent 8bda955776 d03ef4daf3
commit 916d636e0a
1 changed files with 8 additions and 0 deletions
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8
fs/ioctl.c
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@@ -614,6 +614,14 @@ static int fileattr_set_prepare(struct inode *inode,
if ((old_ma->fsx_xflags ^ fa->fsx_xflags) & if ((old_ma->fsx_xflags ^ fa->fsx_xflags) &
FS_XFLAG_PROJINHERIT) FS_XFLAG_PROJINHERIT)
return -EINVAL; return -EINVAL;
} else {
/*
* Caller is allowed to change the project ID. If it is being
* changed, make sure that the new value is valid.
*/
if (old_ma->fsx_projid != fa->fsx_projid &&
!projid_valid(make_kprojid(&init_user_ns, fa->fsx_projid)))
return -EINVAL;
} }
/* Check extent size hints. */ /* Check extent size hints. */