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Oleksandr Tymoshenko 514b6cca20 ovl: properly handle large files in ovl_security_fileattr 
commit 3b6b99ef15 upstream.

dentry_open in ovl_security_fileattr fails for any file
larger than 2GB if open method of the underlying filesystem
calls generic_file_open (e.g. fusefs).

The issue can be reproduce using the following script:
(passthrough_ll is an example app from libfuse).

  $ D=/opt/test/mnt
  $ mkdir -p ${D}/{source,base,top/uppr,top/work,ovlfs}
  $ dd if=/dev/zero of=${D}/source/zero.bin bs=1G count=2
  $ passthrough_ll -o source=${D}/source ${D}/base
  $ mount -t overlay overlay \
      -olowerdir=${D}/base,upperdir=${D}/top/uppr,workdir=${D}/top/work \
      ${D}/ovlfs
  $ chmod 0777 ${D}/mnt/ovlfs/zero.bin

Running this script results in "Value too large for defined data type"
error message from chmod.

Signed-off-by: Oleksandr Tymoshenko <ovt@google.com>
Fixes: 72db82115d ("ovl: copy up sync/noatime fileattr flags")
Cc: stable@vger.kernel.org # v5.15+
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-12-14 19:54:16 +01:00
arch ARM: 9431/1: mm: Pair atomic_set_release() with _read_acquire() 2024-12-14 19:54:14 +01:00
block block: fix ordering between checking BLK_MQ_S_STOPPED request adding 2024-12-14 19:54:04 +01:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-02-09 11:28:11 +01:00
crypto crypto: api - Add crypto_clone_tfm 2024-12-14 19:53:51 +01:00
Documentation dt-bindings: serial: rs485: Fix rs485-rts-delay property 2024-12-14 19:54:03 +01:00
drivers thermal: int3400: Fix reading of current_uuid for active policy 2024-12-14 19:54:15 +01:00
fs ovl: properly handle large files in ovl_security_fileattr 2024-12-14 19:54:16 +01:00
include util_macros.h: fix/rework find_closest() macros 2024-12-14 19:54:14 +01:00
init initramfs: avoid filename buffer overrun 2024-12-14 19:53:14 +01:00
io_uring io_uring: fix possible deadlock in io_register_iowq_max_workers() 2024-11-17 15:07:21 +01:00
ipc ipc: fix memleak if msg_init_ns failed in create_ipc_ns 2024-12-14 19:54:06 +01:00
kernel ftrace: Fix regression with module command in stack_trace_filter 2024-12-14 19:54:13 +01:00
lib maple_tree: refine mas_store_root() on storing NULL 2024-12-14 19:54:13 +01:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm vmstat: call fold_vm_zone_numa_events() before show per zone NUMA event 2024-12-14 19:54:13 +01:00
net sunrpc: clear XPRT_SOCK_UPD_TIMEOUT when reset transport 2024-12-14 19:54:09 +01:00
rust rust: macros: provide correct provenance when constructing THIS_MODULE 2024-10-17 15:22:24 +02:00
samples bpf: Fix the xdp_adjust_tail sample prog issue 2024-12-14 19:53:27 +01:00
scripts modpost: remove incorrect code in do_eisa_entry() 2024-12-14 19:54:09 +01:00
security apparmor: test: Fix memory leak for aa_unpack_strdup() 2024-12-14 19:53:59 +01:00
sound ALSA: hda/realtek: Apply quirk for Medion E15433 2024-12-14 19:54:05 +01:00
tools selftests/mount_setattr: Fix failures on 64K PAGE_SIZE kernels 2024-12-14 19:53:48 +01:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() 2024-06-27 13:46:21 +02:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-01 12:42:46 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore Remove *.orig pattern from .gitignore 2024-10-17 15:21:15 +02:00
.mailmap 9 hotfixes. 6 for MM, 3 for other areas. Four of these patches address 2022-12-10 17:10:52 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Remove Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS MAINTAINERS: add leah to 6.1 MAINTAINERS file 2024-05-17 11:56:16 +02:00
Makefile Linux 6.1.119 2024-11-22 15:37:35 +01:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.