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Chenyuan Mi 7a64d15db7 tools: iio: iio_generic_buffer: Fix some integer type and calculation
[ Upstream commit 49d736313d0975ddeb156f4f59801da833f78b30 ]

In function size_from_channelarray(), the return value 'bytes' is defined
as int type. However, the calcution of 'bytes' in this function is designed
to use the unsigned int type. So it is necessary to change 'bytes' type to
unsigned int to avoid integer overflow.

The size_from_channelarray() is called in main() function, its return value
is directly multipled by 'buf_len' and then used as the malloc() parameter.
The 'buf_len' is completely controllable by user, thus a multiplication
overflow may occur here. This could allocate an unexpected small area.

Signed-off-by: Chenyuan Mi <michenyuan@huawei.com>
Link: https://lore.kernel.org/r/20230725092407.62545-1-michenyuan@huawei.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Stable-dep-of: 2d3dff577dd0 ("tools: iio: iio_generic_buffer ensure alignment")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-11-20 10:30:14 +01:00
arch sh: bios: Revive earlyprintk support 2023-11-20 10:30:13 +01:00
block block/partition: fix signedness issue for Amiga partitions 2023-07-27 08:37:29 +02:00
certs
crypto X.509: if signature is unsupported skip validation 2023-09-23 10:59:55 +02:00
Documentation firmware: ti_sci: Replace HTTP links with HTTPS ones 2023-11-20 10:30:12 +01:00
drivers misc: st_core: Do not call kfree_skb() under spin_lock_irqsave() 2023-11-20 10:30:13 +01:00
fs ext4: move 'ix' sanity check to corrent position 2023-11-20 10:30:12 +01:00
include sched/rt: Provide migrate_disable/enable() inlines 2023-11-20 10:30:12 +01:00
init x86/mm: Initialize text poking earlier 2023-08-08 19:56:36 +02:00
ipc
kernel genirq/matrix: Exclude managed interrupts in irq_matrix_allocated() 2023-11-20 10:30:08 +01:00
lib kobject: Fix slab-out-of-bounds in fill_kobj_path() 2023-11-08 11:23:38 +01:00
LICENSES
mm vfs: fix readahead(2) on block devices 2023-11-20 10:30:08 +01:00
net ipv6: avoid atomic fragment on GSO packets 2023-11-20 10:30:10 +01:00
samples samples/bpf: Fix buffer overflow in tcp_basertt 2023-07-27 08:37:07 +02:00
scripts modpost: add missing else to the "of" check 2023-10-10 21:46:44 +02:00
security ima: rework CONFIG_IMA dependency block 2023-10-10 21:46:46 +02:00
sound ASoC: ams-delta.c: use component after check 2023-11-20 10:30:13 +01:00
tools tools: iio: iio_generic_buffer: Fix some integer type and calculation 2023-11-20 10:30:14 +01:00
usr
virt KVM: Destroy target device if coalesced MMIO unregistration fails 2023-03-11 16:44:01 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS iio: stx104: Move to addac subdirectory 2023-08-30 16:27:12 +02:00
Makefile Linux 5.4.260 2023-11-08 11:23:43 +01:00
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.