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Guoyu Huang e8053c6833 io_uring: Fix use-after-free in io_sq_wq_submit_work() 
when ctx->sqo_mm is zero, io_sq_wq_submit_work() frees 'req'
without deleting it from 'task_list'. After that, 'req' is
accessed in io_ring_ctx_wait_and_kill() which lead to
a use-after-free.

Signed-off-by: Guoyu Huang <hgy5945@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-11 15:33:33 +02:00
arch
arm64: Workaround circular dependency in pointer_auth.h
2020-08-07 09:34:01 +02:00
block
block: fix get_max_segment_size() overflow on 32bit arch
2020-07-22 09:33:17 +02:00
certs
PKCS#7: Refactor verify_pkcs7_signature()
2019-08-05 18:40:18 -04:00
crypto
keys: asymmetric: fix error return code in software_key_query()
2020-07-22 09:33:04 +02:00
Documentation
doc: dt: bindings: usb: dwc3: Update entries for disabling SS instances in park mode
2020-07-22 09:32:59 +02:00
drivers
usb: xhci: Fix ASMedia ASM1142 DMA addressing
2020-08-11 15:33:32 +02:00
fs
io_uring: Fix use-after-free in io_sq_wq_submit_work()
2020-08-11 15:33:33 +02:00
include
bpf: sockmap: Require attach_bpf_fd when detaching a program
2020-08-07 09:34:02 +02:00
init
x86: Fix early boot crash on gcc-10, third try
2020-05-20 08:20:34 +02:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:20:16 +02:00
kernel
perf/core: Fix endless multiplex timer
2020-08-11 15:33:32 +02:00
lib
random32: remove net_rand_state from the latent entropy gcc plugin
2020-08-07 09:34:01 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm/filemap.c: don't bother dropping mmap_sem for zero size readahead
2020-08-05 09:59:41 +02:00
net
bpf: sockmap: Require attach_bpf_fd when detaching a program
2020-08-07 09:34:02 +02:00
samples
samples/vfs: avoid warning in statx override
2020-07-09 09:37:54 +02:00
scripts
scripts/gdb: fix lx-symbols 'gdb.error' while loading modules
2020-07-29 10:18:35 +02:00
security
apparmor: ensure that dfa state tables have entries
2020-07-22 09:33:05 +02:00
sound
ALSA: hda/hdmi: Fix keep_power assignment for non-component devices
2020-08-05 09:59:42 +02:00
tools
selftests: bpf: Fix detach from sockmap tests
2020-08-07 09:34:02 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: arm64: Don't inherit exec permission across page-table levels
2020-08-05 09:59:51 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
…
.gitignore
Modules updates for v5.4
2019-09-22 10:34:46 -07:00
.mailmap
ARM: SoC fixes
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
MAINTAINERS: Update drm/i915 bug filing URL
2020-02-28 17:22:19 +01:00
Makefile
Linux 5.4.57
2020-08-07 09:34:02 +02:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

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.
Description
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