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Filename Latest commit message Latest commit date
Niklas Cassel 779f155811 nvme: prevent double free in nvme_alloc_ns() error handling 
commit 132be62387c7a72a38872676c18b0dfae264adb8 upstream.

When jumping to the out_put_disk label, we will call put_disk(), which will
trigger a call to disk_release(), which calls blk_put_queue().

Later in the cleanup code, we do blk_cleanup_queue(), which will also call
blk_put_queue().

Putting the queue twice is incorrect, and will generate a KASAN splat.

Set the disk->queue pointer to NULL, before calling put_disk(), so that the
first call to blk_put_queue() will not free the queue.

The second call to blk_put_queue() uses another pointer to the same queue,
so this call will still free the queue.

Fixes: 85136c0102 ("lightnvm: simplify geometry enumeration")
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-06 08:15:16 +02:00
arch ARM: dts: imx6qdl-sr-som-ti: indicate powering off wifi is safe 2020-05-06 08:15:10 +02:00
block blk-mq: Put driver tag in blk_mq_dispatch_rq_list() when no budget 2020-05-02 08:48:59 +02:00
certs
crypto
Documentation
drivers nvme: prevent double free in nvme_alloc_ns() error handling 2020-05-06 08:15:16 +02:00
fs Fix use after free in get_tree_bdev() 2020-05-06 08:15:15 +02:00
include NFSv4.1: fix handling of backchannel binding in BIND_CONN_TO_SESSION 2020-05-06 08:15:05 +02:00
init printk: queue wake_up_klogd irq_work only if per-CPU areas are ready 2020-05-02 08:48:42 +02:00
ipc
kernel PM: hibernate: Freeze kernel threads in software_resume() 2020-05-06 08:15:09 +02:00
lib
LICENSES
mm mm: shmem: disable interrupt when acquiring info->lock in userfaultfd_copy path 2020-05-02 08:48:54 +02:00
net net: use indirect call wrappers for skb_copy_datagram_iter() 2020-05-02 08:49:00 +02:00
samples vmalloc: fix remap_vmalloc_range() bounds checks 2020-04-29 16:33:14 +02:00
scripts kbuild: fix DT binding schema rule again to avoid needless rebuilds 2020-05-02 08:48:42 +02:00
security
sound ALSA: opti9xx: shut up gcc-10 range warning 2020-05-06 08:15:15 +02:00
tools objtool: Support Clang non-section symbols in ORC dump 2020-05-02 08:48:57 +02:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
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COPYING
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Makefile Linux 5.4.38 2020-05-02 17:26:50 +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.