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Mathias Nyman fe465003bb xhci: fix possible null pointer dereference at secondary interrupter removal
commit a54a594d72f25b08f39d743880a76721fba9ae77 upstream.

Don't try to remove a secondary interrupter that is known to be invalid.
Also check if the interrupter is valid inside the spinlock that protects
the array of interrupters.

Found by smatch static checker

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/linux-usb/ffaa0a1b-5984-4a1f-bfd3-9184630a97b9@moroto.mountain/
Fixes: c99b38c41234 ("xhci: add support to allocate several interrupters")
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240125152737.2983959-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-05-09 09:44:08 +02:00
arch arm64: dts: st: Use 128kB size for aliased GIC400 register access on stm32mp25 SoCs 2025-05-09 09:44:05 +02:00
block block: fix resource leak in blk_register_queue() error path 2025-04-25 10:45:42 +02:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2025-04-25 10:45:58 +02:00
crypto crypto: null - Use spin lock instead of mutex 2025-05-02 07:50:52 +02:00
Documentation sched/topology: Consolidate and clean up access to a CPU's max compute capacity 2025-05-02 07:50:41 +02:00
drivers xhci: fix possible null pointer dereference at secondary interrupter removal 2025-05-09 09:44:08 +02:00
fs smb: client: fix zero length for mkdir POSIX create context 2025-05-09 09:43:53 +02:00
include kernel: globalize lookup_or_create_module_kobject() 2025-05-09 09:44:07 +02:00
init sched/isolation: Make CONFIG_CPU_ISOLATION depend on CONFIG_SMP 2025-05-02 07:50:57 +02:00
io_uring io_uring: always do atomic put from iowq 2025-05-02 07:50:57 +02:00
ipc ipc: fix memleak if msg_init_ns failed in create_ipc_ns 2024-12-09 10:32:54 +01:00
kernel kernel: globalize lookup_or_create_module_kobject() 2025-05-09 09:44:07 +02:00
lib ubsan: Fix panic from test_ubsan_out_of_bounds 2025-05-02 07:51:02 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm/memblock: repeat setting reserved region nid if array is doubled 2025-05-09 09:43:51 +02:00
net sch_ets: make est_qlen_notify() idempotent 2025-05-09 09:44:04 +02:00
rust rust: lockdep: Remove support for dynamically allocated LockClassKeys 2025-03-22 12:50:50 -07:00
samples tracing: Verify event formats that have "%*p.." 2025-05-02 07:50:37 +02:00
scripts objtool: Silence more KCOV warnings, part 2 2025-05-02 07:51:04 +02:00
security landlock: Add the errata interface 2025-04-25 10:45:57 +02:00
sound ASoC: soc-core: Stop using of_property_read_bool() for non-boolean properties 2025-05-09 09:44:03 +02:00
tools selftests/bpf: extend changes_pkt_data with cases w/o subprograms 2025-05-09 09:43:55 +02:00
usr kbuild: hdrcheck: fix cross build with clang 2025-03-13 12:58:38 +01:00
virt KVM: Use dedicated mutex to protect kvm_usage_count to avoid deadlock 2024-10-04 16:29:47 +02:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore Remove *.orig pattern from .gitignore 2024-10-04 16:29:44 +02:00
.mailmap 20 hotfixes. 12 are cc:stable and the remainder address post-6.5 issues 2023-10-24 09:52:16 -10:00
.rustfmt.toml
COPYING
CREDITS USB: Remove Wireless USB and UWB documentation 2023-08-09 14:17:32 +02:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig
MAINTAINERS sign-file,extract-cert: move common SSL helper functions to a header 2025-04-25 10:45:57 +02:00
Makefile Linux 6.6.89 2025-05-02 07:51:05 +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.