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Filename Latest commit message Latest commit date
Roman Bolshakov 5676234f20 scsi: target/iblock: Fix overrun in WRITE SAME emulation
WRITE SAME corrupts data on the block device behind iblock if the command
is emulated. The emulation code issues (M - 1) * N times more bios than
requested, where M is the number of 512 blocks per real block size and N is
the NUMBER OF LOGICAL BLOCKS specified in WRITE SAME command. So, for a
device with 4k blocks, 7 * N more LBAs gets written after the requested
range.

The issue happens because the number of 512 byte sectors to be written is
decreased one by one while the real bios are typically from 1 to 8 512 byte
sectors per bio.

Fixes: c66ac9db8d ("[SCSI] target: Add LIO target core v4.0.0-rc6")
Cc: <stable@vger.kernel.org>
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-07-02 16:35:52 -04:00
arch Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
block for-5.1/block-post-20190315 2019-03-16 12:36:39 -07:00
certs
crypto
Documentation scsi: dt-bindings: ufs: Add VCC capability on MediaTek UFS driver 2019-04-03 23:45:59 -04:00
drivers scsi: target/iblock: Fix overrun in WRITE SAME emulation 2019-07-02 16:35:52 -04:00
fs Pull request for inlusion in 5.1 2019-03-17 09:10:56 -07:00
include scsi: libsas: Inject revalidate event for root port event 2019-04-15 18:55:00 -04:00
init init/main: add checks for the return value of memblock_alloc*() 2019-03-12 10:04:02 -07:00
ipc Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-03-12 14:08:19 -07:00
kernel pidfd patches for v5.1-rc1 2019-03-16 13:47:14 -07:00
lib Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
LICENSES
mm device-dax for 5.1 2019-03-16 13:05:32 -07:00
net Pull request for inlusion in 5.1 2019-03-17 09:10:56 -07:00
samples
scripts kconfig: remove stale lxdialog/.gitignore 2019-03-17 15:47:02 +09:00
security selinux/stable-5.1 PR 20190312 2019-03-13 11:10:42 -07:00
sound sound fixes for 5.1-rc1 2019-03-15 14:05:00 -07:00
tools pidfd patches for v5.1-rc1 2019-03-16 13:47:14 -07:00
usr
virt ARM: some cleanups, direct physical timer assignment, cache sanitization 2019-03-15 15:00:28 -07:00
.clang-format Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-03-12 13:43:42 -07:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS scsi: MAINTAINERS: Add maintainer for MediaTek UFS driver 2019-03-27 21:39:53 -04:00
Makefile Linux 5.1-rc1 2019-03-17 14:22:26 -07:00
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.