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Filename Latest commit message Latest commit date
Albert Briscoe 9fe0a8c069 usb: gadget: function: fix dangling pnp_string in f_printer.c 
[ Upstream commit 24b7ba2f88e04800b54d462f376512e8c41b8a3c ]

When opts->pnp_string is changed with configfs, new memory is allocated for
the string. It does not, however, update dev->pnp_string, even though the
memory is freed. When rquesting the string, the host then gets old or
corrupted data rather than the new string. The ieee 1284 id string should
be allowed to change while the device is connected.

The bug was introduced in commit fdc01cc286 ("usb: gadget: printer:
Remove pnp_string static buffer"), which changed opts->pnp_string from a
char[] to a char*.
This patch changes dev->pnp_string from a char* to a char** pointing to
opts->pnp_string.

Fixes: fdc01cc286 ("usb: gadget: printer: Remove pnp_string static buffer")
Signed-off-by: Albert Briscoe <albertsbriscoe@gmail.com>
Link: https://lore.kernel.org/r/20220911223753.20417-1-albertsbriscoe@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-10-26 13:22:39 +02:00
arch ARM: dts: exynos: fix polarity of VBUS GPIO of Origen 2022-10-26 13:22:33 +02:00
block blk-mq: don't create hctx debugfs dir until q->debugfs_dir is created 2022-08-25 11:17:36 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:11:22 +02:00
crypto crypto: drbg - make reseeding from get_random_bytes() synchronous 2022-06-22 14:11:18 +02:00
Documentation iio: ABI: Fix wrong format of differential capacitance channel ABI. 2022-10-26 13:22:34 +02:00
drivers usb: gadget: function: fix dangling pnp_string in f_printer.c 2022-10-26 13:22:39 +02:00
fs nfsd: Fix a memory leak in an error handling path 2022-10-26 13:22:22 +02:00
include ata: fix ata_id_has_dipm() 2022-10-26 13:22:39 +02:00
init random: handle latent entropy and command line from random_init() 2022-06-22 14:11:17 +02:00
ipc ipc/mqueue: use get_tree_nodev() in mqueue_get_tree() 2022-06-14 18:11:41 +02:00
kernel bpf: Ensure correct locking around vulnerable function find_vpid() 2022-10-26 13:22:24 +02:00
lib dyndbg: let query-modname override actual module name 2022-10-26 13:22:37 +02:00
LICENSES
mm mm: pagewalk: Fix race between unmap and page walker 2022-10-15 07:54:36 +02:00
net once: add DO_ONCE_SLOW() for sleepable contexts 2022-10-26 13:22:27 +02:00
samples samples/kretprobes: Fix return value if register_kretprobe() failed 2021-11-17 09:48:39 +01:00
scripts selinux: use "grep -E" instead of "egrep" 2022-10-26 13:22:21 +02:00
security efi: Correct Macmini DMI match in uefi cert quirk 2022-10-15 07:54:39 +02:00
sound ALSA: hda/hdmi: Don't skip notification handling during PM operation 2022-10-26 13:22:31 +02:00
tools bpftool: Fix a wrong type cast in btf_dumper_int 2022-10-26 13:22:22 +02:00
usr
virt KVM: Add infrastructure and macro to mark VM as bugged 2022-08-25 11:18:16 +02:00
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MAINTAINERS MAINTAINERS: add Chandan as xfs maintainer for 5.4.y 2022-09-28 11:03:58 +02:00
Makefile Linux 5.4.219 2022-10-17 17:24:32 +02:00
README

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.