CVS commit: src

["Maxime Villard" <maxv%netbsd.org@localhost>]

Module Name:    src
Committed By:   maxv
Date:           Wed Apr 16 18:55:19 UTC 2014

Modified Files:
        src/external/cddl/osnet/dist/uts/common/fs/zfs: zfs_vfsops.c
        src/sys/coda: coda_vfsops.c
        src/sys/fs/adosfs: advfsops.c
        src/sys/fs/cd9660: cd9660_vfsops.c
        src/sys/fs/efs: efs_vfsops.c
        src/sys/fs/filecorefs: filecore_vfsops.c
        src/sys/fs/hfs: hfs_vfsops.c
        src/sys/fs/msdosfs: msdosfs_vfsops.c
        src/sys/fs/nilfs: nilfs_vfsops.c
        src/sys/fs/ntfs: ntfs_vfsops.c
        src/sys/fs/ptyfs: ptyfs_vfsops.c
        src/sys/fs/puffs: puffs_vfsops.c
        src/sys/fs/smbfs: smbfs_vfsops.c
        src/sys/fs/sysvbfs: sysvbfs_vfsops.c
        src/sys/fs/tmpfs: tmpfs_vfsops.c
        src/sys/fs/udf: udf_vfsops.c
        src/sys/fs/union: union_vfsops.c
        src/sys/fs/unionfs: unionfs_vfsops.c
        src/sys/fs/v7fs: v7fs_vfsops.c
        src/sys/kern: vfs_syscalls.c
        src/sys/miscfs/nullfs: null_vfsops.c
        src/sys/miscfs/overlay: overlay_vfsops.c
        src/sys/miscfs/procfs: procfs_vfsops.c
        src/sys/miscfs/umapfs: umap_vfsops.c
        src/sys/nfs: nfs_vfsops.c
        src/sys/ufs/chfs: chfs_vfsops.c
        src/sys/ufs/ext2fs: ext2fs_vfsops.c
        src/sys/ufs/ffs: ffs_vfsops.c
        src/sys/ufs/lfs: lfs_vfsops.c
        src/sys/ufs/mfs: mfs_vfsops.c

Log Message:
An (un)privileged user can easily make the kernel dereference a NULL
pointer.

The kernel allows 'data' to be NULL; it's the fs's responsibility to
ensure that it isn't NULL (if the fs actually needs data).

ok christos@


To generate a diff of this commit:
cvs rdiff -u -r1.11 -r1.12 \
    src/external/cddl/osnet/dist/uts/common/fs/zfs/zfs_vfsops.c
cvs rdiff -u -r1.80 -r1.81 src/sys/coda/coda_vfsops.c
cvs rdiff -u -r1.69 -r1.70 src/sys/fs/adosfs/advfsops.c
cvs rdiff -u -r1.83 -r1.84 src/sys/fs/cd9660/cd9660_vfsops.c
cvs rdiff -u -r1.24 -r1.25 src/sys/fs/efs/efs_vfsops.c
cvs rdiff -u -r1.75 -r1.76 src/sys/fs/filecorefs/filecore_vfsops.c
cvs rdiff -u -r1.30 -r1.31 src/sys/fs/hfs/hfs_vfsops.c
cvs rdiff -u -r1.106 -r1.107 src/sys/fs/msdosfs/msdosfs_vfsops.c
cvs rdiff -u -r1.15 -r1.16 src/sys/fs/nilfs/nilfs_vfsops.c
cvs rdiff -u -r1.93 -r1.94 src/sys/fs/ntfs/ntfs_vfsops.c
cvs rdiff -u -r1.49 -r1.50 src/sys/fs/ptyfs/ptyfs_vfsops.c
cvs rdiff -u -r1.109 -r1.110 src/sys/fs/puffs/puffs_vfsops.c
cvs rdiff -u -r1.99 -r1.100 src/sys/fs/smbfs/smbfs_vfsops.c
cvs rdiff -u -r1.42 -r1.43 src/sys/fs/sysvbfs/sysvbfs_vfsops.c
cvs rdiff -u -r1.58 -r1.59 src/sys/fs/tmpfs/tmpfs_vfsops.c
cvs rdiff -u -r1.66 -r1.67 src/sys/fs/udf/udf_vfsops.c
cvs rdiff -u -r1.71 -r1.72 src/sys/fs/union/union_vfsops.c
cvs rdiff -u -r1.12 -r1.13 src/sys/fs/unionfs/unionfs_vfsops.c
cvs rdiff -u -r1.9 -r1.10 src/sys/fs/v7fs/v7fs_vfsops.c
cvs rdiff -u -r1.478 -r1.479 src/sys/kern/vfs_syscalls.c
cvs rdiff -u -r1.87 -r1.88 src/sys/miscfs/nullfs/null_vfsops.c
cvs rdiff -u -r1.60 -r1.61 src/sys/miscfs/overlay/overlay_vfsops.c
cvs rdiff -u -r1.90 -r1.91 src/sys/miscfs/procfs/procfs_vfsops.c
cvs rdiff -u -r1.91 -r1.92 src/sys/miscfs/umapfs/umap_vfsops.c
cvs rdiff -u -r1.226 -r1.227 src/sys/nfs/nfs_vfsops.c
cvs rdiff -u -r1.10 -r1.11 src/sys/ufs/chfs/chfs_vfsops.c
cvs rdiff -u -r1.179 -r1.180 src/sys/ufs/ext2fs/ext2fs_vfsops.c
cvs rdiff -u -r1.296 -r1.297 src/sys/ufs/ffs/ffs_vfsops.c
cvs rdiff -u -r1.320 -r1.321 src/sys/ufs/lfs/lfs_vfsops.c
cvs rdiff -u -r1.106 -r1.107 src/sys/ufs/mfs/mfs_vfsops.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.