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e21fc203 |
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23-Oct-2023 |
Amir Goldstein <amir73il@gmail.com> |
exportfs: make ->encode_fh() a mandatory method for NFS export Rename the default helper for encoding FILEID_INO32_GEN* file handles to generic_encode_ino32_fh() and convert the filesystems that used the default implementation to use the generic helper explicitly. After this change, exportfs_encode_inode_fh() no longer has a default implementation to encode FILEID_INO32_GEN* file handles. This is a step towards allowing filesystems to encode non-decodeable file handles for fanotify without having to implement any export_operations. Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Jeff Layton <jlayton@kernel.org> Acked-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Amir Goldstein <amir73il@gmail.com> Link: https://lore.kernel.org/r/20231023180801.2953446-3-amir73il@gmail.com Acked-by: Dave Kleikamp <dave.kleikamp@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Christian Brauner <brauner@kernel.org>
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c1b20283 |
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24-Mar-2021 |
Sean Nyekjaer <sean@geanix.com> |
squashfs: fix inode lookup sanity checks When mouting a squashfs image created without inode compression it fails with: "unable to read inode lookup table" It turns out that the BLOCK_OFFSET is missing when checking the SQUASHFS_METADATA_SIZE agaist the actual size. Link: https://lkml.kernel.org/r/20210226092903.1473545-1-sean@geanix.com Fixes: eabac19e40c0 ("squashfs: add more sanity checks in inode lookup") Signed-off-by: Sean Nyekjaer <sean@geanix.com> Acked-by: Phillip Lougher <phillip@squashfs.org.uk> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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eabac19e |
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09-Feb-2021 |
Phillip Lougher <phillip@squashfs.org.uk> |
squashfs: add more sanity checks in inode lookup Sysbot has reported an "slab-out-of-bounds read" error which has been identified as being caused by a corrupted "ino_num" value read from the inode. This could be because the metadata block is uncompressed, or because the "compression" bit has been corrupted (turning a compressed block into an uncompressed block). This patch adds additional sanity checks to detect this, and the following corruption. 1. It checks against corruption of the inodes count. This can either lead to a larger table to be read, or a smaller than expected table to be read. In the case of a too large inodes count, this would often have been trapped by the existing sanity checks, but this patch introduces a more exact check, which can identify too small values. 2. It checks the contents of the index table for corruption. [phillip@squashfs.org.uk: fix checkpatch issue] Link: https://lkml.kernel.org/r/527909353.754618.1612769948607@webmail.123-reg.co.uk Link: https://lkml.kernel.org/r/20210204130249.4495-4-phillip@squashfs.org.uk Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk> Reported-by: syzbot+04419e3ff19d2970ea28@syzkaller.appspotmail.com Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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68252eb5 |
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20-May-2019 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 35 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation 51 franklin street fifth floor boston ma 02110 1301 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 23 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520170857.458548087@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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2b0143b5 |
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17-Mar-2015 |
David Howells <dhowells@redhat.com> |
VFS: normal filesystems (and lustre): d_inode() annotations that's the bulk of filesystem drivers dealing with inodes of their own Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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d5b72ce1 |
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28-May-2011 |
Phillip Lougher <phillip@lougher.demon.co.uk> |
Squashfs: Fix sanity check patches on big-endian systems le64 values should be swapped when accessing on big-endian systems. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
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d7f2ff67 |
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26-May-2011 |
Phillip Lougher <phillip@lougher.demon.co.uk> |
Squashfs: update email address My existing email address may stop working in a month or two, so update email to one that will continue working. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
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ac51a0a7 |
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23-May-2011 |
Phillip Lougher <phillip@lougher.demon.co.uk> |
Squashfs: add sanity checks to lookup table reading at mount time Fsfuzzer generates corrupted filesystems which throw a warn_on in kmalloc. One of these is due to a corrupted superblock inodes field. Fix this by checking that the number of bytes to be read (and allocated) does not extend into the next filesystem structure. Also add a couple of other sanity checks of the mount-time lookup table structures. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
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82de647e |
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19-May-2011 |
Phillip Lougher <phillip@lougher.demon.co.uk> |
Squashfs: move table allocation into squashfs_read_table() This eliminates a lot of duplicate code. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
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f1a40359 |
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23-Sep-2009 |
Phillip Lougher <phillip@lougher.demon.co.uk> |
Squashfs: factor out remaining zlib dependencies into separate wrapper file Move zlib buffer init/destroy code into separate wrapper file. Also make zlib z_stream field a void * removing the need to include zlib.h for most files. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
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23516dc7 |
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24-Mar-2009 |
Pekka Enberg <penberg@cs.helsinki.fi> |
kmemtrace, squashfs: fix slab.h dependency problem in squasfs Impact: cleanup fs/squashfs/export.c depends on slab.h without including it: CC fs/squashfs/export.o fs/squashfs/export.c: In function ‘squashfs_read_inode_lookup_table’: fs/squashfs/export.c:133: error: implicit declaration of function ‘kmalloc’ fs/squashfs/export.c:133: warning: assignment makes pointer from integer without a cast fs/squashfs/export.c:143: error: implicit declaration of function ‘kfree’ make[1]: *** [fs/squashfs/export.o] Error 1 make: *** [fs/squashfs/] Error 2 It gets included implicitly currently - but this will not be the case with upcoming kmemtrace changes. Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro> LKML-Reference: <1237884999.25315.41.camel@penberg-laptop> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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12260140 |
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05-Jan-2009 |
Phillip Lougher <phillip@lougher.demon.co.uk> |
Squashfs: export operations Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
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