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Filename Latest commit message Latest commit date
Chris Wulff df8e734ae5 usb: gadget: core: Check for unset descriptor
commit 973a57891608a98e894db2887f278777f564de18 upstream.

Make sure the descriptor has been set before looking at maxpacket.
This fixes a null pointer panic in this case.

This may happen if the gadget doesn't properly set up the endpoint
for the current speed, or the gadget descriptors are malformed and
the descriptor for the speed/endpoint are not found.

No current gadget driver is known to have this problem, but this
may cause a hard-to-find bug during development of new gadgets.

Fixes: 54f83b8c8e ("USB: gadget: Reject endpoints with 0 maxpacket value")
Cc: stable@vger.kernel.org
Signed-off-by: Chris Wulff <crwulff@gmail.com>
Link: https://lore.kernel.org/r/20240725010419.314430-2-crwulff@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-08-19 05:33:51 +02:00
arch arm64: errata: Expand speculative SSBS workaround (again) 2024-08-19 05:33:50 +02:00
block block: prevent division by zero in blk_rq_stat_sum() 2024-04-13 12:51:38 +02:00
certs
crypto crypto: ecrdsa - Fix module auto-load on add_key 2024-06-16 13:28:51 +02:00
Documentation arm64: errata: Expand speculative SSBS workaround (again) 2024-08-19 05:33:50 +02:00
drivers usb: gadget: core: Check for unset descriptor 2024-08-19 05:33:51 +02:00
fs ext4: fix wrong unit use in ext4_mb_find_by_goal 2024-08-19 05:33:48 +02:00
include bpf: kprobe: remove unused declaring of bpf_kprobe_override 2024-08-19 05:33:50 +02:00
init init: open /initrd.image with O_LARGEFILE 2024-04-13 12:51:36 +02:00
ipc
kernel genirq: Allow irq_chip registration functions to take a const irq_chip 2024-08-19 05:33:45 +02:00
lib kobject_uevent: Fix OOB access within zap_modalias_env() 2024-08-19 05:33:38 +02:00
LICENSES
mm mm: avoid overflows in dirty throttling logic 2024-08-19 05:33:42 +02:00
net SUNRPC: Fix a race to wake a sync task 2024-08-19 05:33:48 +02:00
samples media: rename VFL_TYPE_GRABBER to _VIDEO 2024-03-26 18:22:22 -04:00
scripts kconfig: remove wrong expr_trans_bool() 2024-07-27 10:38:29 +02:00
security apparmor: Fix null pointer deref when receiving skb during sock creation 2024-08-19 05:33:42 +02:00
sound ALSA: hda/hdmi: Yet more pin fix for HP EliteDesk 800 G4 2024-08-19 05:33:51 +02:00
tools selftests/bpf: Fix send_signal test with nested CONFIG_PARAVIRT 2024-08-19 05:33:47 +02:00
usr
virt KVM: async_pf: Cleanup kvm_setup_async_pf() 2024-05-02 16:18:32 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.281 2024-07-27 10:38:33 +02:00
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.