Add additional check for 'blocks per group' and 'fragments per group' superblock fields.
These fields will not be equal only in case if bigalloc filesystem feature is turned on.
This feature is not supported for now.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-27-EXT2-12: Denial of Service in openat-0 (vm_fault_hold/ext2_clusteracct)
MFC after: 2 weeks
Add additional check for 'blocks per group' and 'fragments per group' superblock fields.
These fields will not be equal only in case if bigalloc filesystem feature is turned on.
This feature is not supported for now.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-27-EXT2-12: Denial of Service in openat-0 (vm_fault_hold/ext2_clusteracct)
MFC after: 2 weeks
Add additional check for 'blocks per group' and 'fragments per group' superblock fields.
These fields will not be equal only in case if bigalloc filesystem feature is turned on.
This feature is not supported for now.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-27-EXT2-12: Denial of Service in openat-0 (vm_fault_hold/ext2_clusteracct)
MFC after: 2 weeks
Remove ufs fragments logic.
The ext2fs fragments are different from ufs fragments.
In case of ext2fs the fragment should be equal or more then block size.
The values more than block size are used only in case of bigalloc feature, which is does not supported for now.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-22-EXT2-9: Denial of service in ftruncate-0 (ext2_balloc)
MFC after: 2 weeks
Remove ufs fragments logic.
The ext2fs fragments are different from ufs fragments.
In case of ext2fs the fragment should be equal or more then block size.
The values more than block size are used only in case of bigalloc feature, which is does not supported for now.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-22-EXT2-9: Denial of service in ftruncate-0 (ext2_balloc)
MFC after: 2 weeks
Remove ufs fragments logic.
The ext2fs fragments are different from ufs fragments.
In case of ext2fs the fragment should be equal or more then block size.
The values more than block size are used only in case of bigalloc feature, which is does not supported for now.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-22-EXT2-9: Denial of service in ftruncate-0 (ext2_balloc)
MFC after: 2 weeks
Remove ufs fragments logic.
The ext2fs fragments are different from ufs fragments.
In case of ext2fs the fragment should be equal or more then block size.
The values more than block size are used only in case of bigalloc feature, which is does not supported for now.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-22-EXT2-9: Denial of service in ftruncate-0 (ext2_balloc)
MFC after: 2 weeks
Remove ufs fragments logic.
The ext2fs fragments are different from ufs fragments.
In case of ext2fs the fragment should be equal or more then block size.
The values more than block size are used only in case of bigalloc feature, which is does not supported for now.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-22-EXT2-9: Denial of service in ftruncate-0 (ext2_balloc)
MFC after: 2 weeks
Remove ufs fragments logic.
The ext2fs fragments are different from ufs fragments.
In case of ext2fs the fragment should be equal or more then block size.
The values more than block size are used only in case of bigalloc feature, which is does not supported for now.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-22-EXT2-9: Denial of service in ftruncate-0 (ext2_balloc)
MFC after: 2 weeks
Remove ufs fragments logic.
The ext2fs fragments are different from ufs fragments.
In case of ext2fs the fragment should be equal or more then block size.
The values more than block size are used only in case of bigalloc feature, which is does not supported for now.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-22-EXT2-9: Denial of service in ftruncate-0 (ext2_balloc)
MFC after: 2 weeks
Remove unneeded mount point unlock call.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-11-EXT2-6: Denial Of Service in write-1 (ext2_balloc)
MFC after: 2 weeks
Remove unneeded mount point unlock call.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-11-EXT2-6: Denial Of Service in write-1 (ext2_balloc)
MFC after: 2 weeks
Remove unneeded mount point unlock call.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-11-EXT2-6: Denial Of Service in write-1 (ext2_balloc)
MFC after: 2 weeks
Remove unneeded mount point unlock call.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-11-EXT2-6: Denial Of Service in write-1 (ext2_balloc)
MFC after: 2 weeks
Remove unneeded mount point unlock call.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-11-EXT2-6: Denial Of Service in write-1 (ext2_balloc)
MFC after: 2 weeks
Remove unneeded mount point unlock call.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-11-EXT2-6: Denial Of Service in write-1 (ext2_balloc)
MFC after: 2 weeks
Remove unneeded mount point unlock call.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-11-EXT2-6: Denial Of Service in write-1 (ext2_balloc)
MFC after: 2 weeks
MFC r344755 (by fsu@)
Fix integer overflow possibility.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert
of Fraunhofer FKIE
Reported as: FS-2-EXT2-1: Out-of-Bounds Write in nmount (ext2_vget)
Reviewed by: pfg
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D19326
MFC r344755 (by fsu@)
Fix integer overflow possibility.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert
of Fraunhofer FKIE
Reported as: FS-2-EXT2-1: Out-of-Bounds Write in nmount (ext2_vget)
Reviewed by: pfg
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D19326
MFC: r344757:
Fix double free in case of mount error.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-9-EXT3-2: Denial Of Service in nmount-5 (vm_fault_hold)
Reviewed by: pfg
Differential Revision: https://reviews.freebsd.org/D19385
MFC: r344757:
Fix double free in case of mount error.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-9-EXT3-2: Denial Of Service in nmount-5 (vm_fault_hold)
Reviewed by: pfg
Differential Revision: https://reviews.freebsd.org/D19385
MFC: r344757:
Fix double free in case of mount error.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-9-EXT3-2: Denial Of Service in nmount-5 (vm_fault_hold)
Reviewed by: pfg
Differential Revision: https://reviews.freebsd.org/D19385
MFC: r344757:
Fix double free in case of mount error.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-9-EXT3-2: Denial Of Service in nmount-5 (vm_fault_hold)
Reviewed by: pfg
Differential Revision: https://reviews.freebsd.org/D19385
MFC: r344757:
Fix double free in case of mount error.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-9-EXT3-2: Denial Of Service in nmount-5 (vm_fault_hold)
Reviewed by: pfg
Differential Revision: https://reviews.freebsd.org/D19385
MFC: r344756, r345179:
Do not read the on-disk inode in case of vnode allocation.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-6-EXT2-4: Denial Of Service in mkdir-0 (ext2_mkdir/vn_rdwr)
Reviewed by: pfg
Differential Revision: https://reviews.freebsd.org/D19327
MFC: r344756, r345179:
Do not read the on-disk inode in case of vnode allocation.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-6-EXT2-4: Denial Of Service in mkdir-0 (ext2_mkdir/vn_rdwr)
Reviewed by: pfg
Differential Revision: https://reviews.freebsd.org/D19327
MFC: r344756, r345179:
Do not read the on-disk inode in case of vnode allocation.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-6-EXT2-4: Denial Of Service in mkdir-0 (ext2_mkdir/vn_rdwr)
Reviewed by: pfg
Differential Revision: https://reviews.freebsd.org/D19327
MFC: r344756, r345179:
Do not read the on-disk inode in case of vnode allocation.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-6-EXT2-4: Denial Of Service in mkdir-0 (ext2_mkdir/vn_rdwr)
Reviewed by: pfg
Differential Revision: https://reviews.freebsd.org/D19327
MFC: r344756, r345179:
Do not read the on-disk inode in case of vnode allocation.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-6-EXT2-4: Denial Of Service in mkdir-0 (ext2_mkdir/vn_rdwr)
Reviewed by: pfg
Differential Revision: https://reviews.freebsd.org/D19327
MFC: r344755:
Fix integer overflow possibility.
Reported by: Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as: FS-2-EXT2-1: Out-of-Bounds Write in nmount (ext2_vget)
Reviewed by: pfg
Differential Revision: https://reviews.freebsd.org/D19326
