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Guanrui Huang 5dbdbe1133 irqchip/gic-v3-its: Prevent double free on error 
commit c26591afd3 upstream.

The error handling path in its_vpe_irq_domain_alloc() causes a double free
when its_vpe_init() fails after successfully allocating at least one
interrupt. This happens because its_vpe_irq_domain_free() frees the
interrupts along with the area bitmap and the vprop_page and
its_vpe_irq_domain_alloc() subsequently frees the area bitmap and the
vprop_page again.

Fix this by unconditionally invoking its_vpe_irq_domain_free() which
handles all cases correctly and by removing the bitmap/vprop_page freeing
from its_vpe_irq_domain_alloc().

[ tglx: Massaged change log ]

Fixes: 7d75bbb4bc ("irqchip/gic-v3-its: Add VPE irq domain allocation/teardown")
Signed-off-by: Guanrui Huang <guanrui.huang@linux.alibaba.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240418061053.96803-2-guanrui.huang@linux.alibaba.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-05-02 16:24:48 +02:00
arch arm64: dts: rockchip: enable internal pull-up for Q7_THRM# on RK3399 Puma 2024-05-02 16:24:48 +02:00
block block: prevent division by zero in blk_rq_stat_sum() 2024-04-13 13:01:45 +02:00
certs
crypto Revert "crypto: api - Disallow identical driver names" 2024-05-02 16:24:47 +02:00
Documentation Revert "lockd: introduce safe async lock op" 2024-04-27 17:05:23 +02:00
drivers irqchip/gic-v3-its: Prevent double free on error 2024-05-02 16:24:48 +02:00
fs btrfs: fix information leak in btrfs_ioctl_logical_to_ino() 2024-05-02 16:24:48 +02:00
include tracing: Increase PERF_MAX_TRACE_SIZE to handle Sentinel1 and docker together 2024-05-02 16:24:47 +02:00
init init/main.c: Fix potential static_command_line memory overflow 2024-04-27 17:05:28 +02:00
io_uring io_uring: ensure '0' is returned on file registration success 2024-04-10 16:19:37 +02:00
ipc
kernel cpu: Re-enable CPU mitigations by default for !X86 architectures 2024-05-02 16:24:48 +02:00
lib arch: Introduce CONFIG_FUNCTION_ALIGNMENT 2024-04-10 16:18:49 +02:00
LICENSES
mm x86/mm/pat: fix VM_PAT handling in COW mappings 2024-04-13 13:01:47 +02:00
net Bluetooth: Fix type of len in {l2cap,sco}_sock_getsockopt_old() 2024-05-02 16:24:48 +02:00
samples samples/hw_breakpoint: fix building without module unloading 2023-09-23 11:10:01 +02:00
scripts gcc-plugins/stackleak: Avoid .head.text section 2024-04-13 13:01:47 +02:00
security landlock: Warn once if a Landlock action is requested while disabled 2024-04-10 16:18:39 +02:00
sound ASoC: soc-core.c: Skip dummy codec when adding platforms 2024-04-13 13:01:46 +02:00
tools selftests/ftrace: Limit length in subsystem-enable tests 2024-04-27 17:05:23 +02:00
usr
virt KVM: Always flush async #PF workqueue when vCPU is being destroyed 2024-04-10 16:18:34 +02:00
.clang-format
.cocciconfig
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COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS trace: Relocate event helper files 2024-04-10 16:19:24 +02:00
Makefile Linux 5.15.157 2024-04-27 17:05:29 +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.