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Filename Latest commit message Latest commit date
Vasily Averin b19f130269 jbd2_seq_info_next should increase position index
commit 1a8e9cf40c9a6a2e40b1e924b13ed303aeea4418 upstream.

if seq_file .next fuction does not change position index,
read after some lseek can generate unexpected output.

Script below generates endless output
 $ q=;while read -r r;do echo "$((++q)) $r";done </proc/fs/jbd2/DEV/info

https://bugzilla.kernel.org/show_bug.cgi?id=206283

Fixes: 1f4aace60b ("fs/seq_file.c: simplify seq_file iteration code and interface")
Cc: stable@kernel.org
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/d13805e5-695e-8ac3-b678-26ca2313629f@virtuozzo.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-02-11 04:35:32 -08:00
arch powerpc/futex: Fix incorrect user access blocking 2020-02-11 04:35:31 -08:00
block
certs
crypto crypto: api - Fix race condition in crypto_spawn_alg 2020-02-11 04:35:31 -08:00
Documentation
drivers scsi: qla2xxx: Fix unbound NVME response length 2020-02-11 04:35:32 -08:00
fs jbd2_seq_info_next should increase position index 2020-02-11 04:35:32 -08:00
include crypto: pcrypt - Avoid deadlock by using per-instance padata queues 2020-02-11 04:35:28 -08:00
init
ipc
kernel bpf, devmap: Pass lockdep expression to RCU lists 2020-02-11 04:35:29 -08:00
lib
LICENSES
mm
net
samples samples/bpf: Xdp_redirect_cpu fix missing tracepoint attach 2020-02-11 04:35:29 -08:00
scripts
security
sound
tools selftests: bpf: Ignore FIN packets for reuseport tests 2020-02-11 04:35:30 -08:00
usr
virt
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.cocciconfig
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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.