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Filename Latest commit message Latest commit date
Zheng Wang cd1583caed media: dm1105: Fix use after free bug in dm1105_remove due to race condition 
[ Upstream commit 5abda7a16698d4d1f47af1168d8fa2c640116b4a ]

In dm1105_probe, it called dm1105_ir_init and bound
&dm1105->ir.work with dm1105_emit_key.
When it handles IRQ request with dm1105_irq,
it may call schedule_work to start the work.

When we call dm1105_remove to remove the driver, there
may be a sequence as follows:

Fix it by finishing the work before cleanup in dm1105_remove

CPU0                  CPU1

                    |dm1105_emit_key
dm1105_remove      |
  dm1105_ir_exit       |
    rc_unregister_device |
    rc_free_device  |
    rc_dev_release  |
    kfree(dev);     |
                    |
                    | rc_keydown
                    |   //use

Fixes: 34d2f9bf18 ("V4L/DVB: dm1105: use dm1105_dev & dev instead of dm1105dvb")
Signed-off-by: Zheng Wang <zyytlz.wz@163.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-05-17 11:35:37 +02:00
arch x86/apic: Fix atomic update of offset in reserve_eilvt_offset() 2023-05-17 11:35:37 +02:00
block blk-iocost: fix divide by 0 error in calc_lcoefs() 2023-03-11 16:43:54 +01:00
certs
crypto asymmetric_keys: log on fatal failures in PE/pkcs7 2023-04-20 12:07:36 +02:00
Documentation media: uapi: add MEDIA_BUS_FMT_METADATA_FIXED media bus format. 2023-05-17 11:35:36 +02:00
drivers media: dm1105: Fix use after free bug in dm1105_remove due to race condition 2023-05-17 11:35:37 +02:00
fs erofs: fix potential overflow calculating xattr_isize 2023-05-17 11:35:35 +02:00
include media: uapi: add MEDIA_BUS_FMT_METADATA_FIXED media bus format. 2023-05-17 11:35:36 +02:00
init
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:23:06 +01:00
kernel ring-buffer: Sync IRQ works before buffer destruction 2023-05-17 11:35:33 +02:00
lib lib/mpi: Fix buffer overrun when SG is too long 2023-03-11 16:43:38 +01:00
LICENSES
mm mm/swap: fix swap_info_struct race between swapoff and get_swap_pages() 2023-04-20 12:07:35 +02:00
net bluetooth: Perform careful capability checks in hci_sock_ioctl() 2023-05-17 11:35:31 +02:00
samples samples: vfio-mdev: Fix missing pci_disable_device() in mdpy_fb_probe() 2023-01-18 11:41:26 +01:00
scripts ASN.1: Fix check for strdup() success 2023-04-26 11:24:06 +02:00
security selinux: ensure av_permissions.h is built when needed 2023-05-17 11:35:34 +02:00
sound ASoC: Intel: bytcr_rt5640: Add quirk for the Acer Iconia One 7 B1-750 2023-05-17 11:35:31 +02:00
tools perf sched: Cast PTHREAD_STACK_MIN to int as it may turn into sysconf(__SC_THREAD_STACK_MIN_VALUE) 2023-05-17 11:35:32 +02:00
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 net/phy/mdio-i2c: Move header file to include/linux/mdio 2023-02-06 07:52:46 +01:00
Makefile Linux 5.4.242 2023-04-26 11:24:06 +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.