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Mikulas Patocka c4fa368466 blk-lib: fix blkdev_issue_secure_erase
There's a bug in blkdev_issue_secure_erase. The statement
"unsigned int len = min_t(sector_t, nr_sects, max_sectors);"
sets the variable "len" to the length in sectors, but the statement
"bio->bi_iter.bi_size = len" treats it as if it were in bytes.
The statements "sector += len << SECTOR_SHIFT" and "nr_sects -= len <<
SECTOR_SHIFT" are thinko.

This patch fixes it.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org	# v5.19
Fixes: 44abff2c0b ("block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD")
Link: https://lore.kernel.org/r/alpine.LRH.2.02.2209141549480.28100@file01.intranet.prod.int.rdu2.redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-09-15 00:25:17 -06:00
arch pci-v5.20-changes 2022-08-04 19:30:35 -07:00
block blk-lib: fix blkdev_issue_secure_erase 2022-09-15 00:25:17 -06:00
certs
crypto for-5.20/block-2022-08-04 2022-08-04 20:00:14 -07:00
Documentation Documentation: document ublk 2022-09-02 09:31:15 -06:00
drivers nvme: requeue aen after firmware activation 2022-09-07 08:38:25 +02:00
fs Driver core / kernfs changes for 6.0-rc1 2022-08-04 11:31:20 -07:00
include blk-mq: remove unused function blk_mq_queue_stopped() 2022-08-18 07:38:10 -06:00
init
io_uring
ipc
kernel xen: branch for v6.0-rc1 2022-08-04 15:10:55 -07:00
lib for-5.20/block-2022-08-04 2022-08-04 20:00:14 -07:00
LICENSES
mm
net SPDX changes for 6.0-rc1 2022-08-04 12:12:54 -07:00
samples SPDX changes for 6.0-rc1 2022-08-04 12:12:54 -07:00
scripts SPDX changes for 6.0-rc1 2022-08-04 12:12:54 -07:00
security
sound pci-v5.20-changes 2022-08-04 19:30:35 -07:00
tools platform-drivers-x86 for v6.0-1 2022-08-04 18:19:14 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS drm for 5.20/6.0 2022-08-03 19:52:08 -07:00
Kbuild
Kconfig
MAINTAINERS Documentation: document ublk 2022-09-02 09:31:15 -06:00
Makefile
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.