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Filename Latest commit message Latest commit date
Miaohe Lin a1ec195a19 mm, slub: fix mismatch between reconstructed freelist depth and cnt 
commit 899447f669da76cc3605665e1a95ee877bc464cc upstream.

If object's reuse is delayed, it will be excluded from the reconstructed
freelist.  But we forgot to adjust the cnt accordingly.  So there will
be a mismatch between reconstructed freelist depth and cnt.  This will
lead to free_debug_processing() complaining about freelist count or a
incorrect slub inuse count.

Link: https://lkml.kernel.org/r/20210916123920.48704-3-linmiaohe@huawei.com
Fixes: c3895391df ("kasan, slub: fix handling of kasan_slab_free hook")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Bharata B Rao <bharata@linux.ibm.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Faiyaz Mohammed <faiyazm@codeaurora.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Roman Gushchin <guro@fb.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-27 09:54:28 +02:00
arch powerpc/idle: Don't corrupt back chain when going idle 2021-10-27 09:54:28 +02:00
block
certs
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drivers can: peak_pci: peak_pci_remove(): fix UAF 2021-10-27 09:54:26 +02:00
fs vfs: check fd has read access in kernel_read_file_from_fd() 2021-10-27 09:54:27 +02:00
include elfcore: correct reference to CONFIG_UML 2021-10-27 09:54:27 +02:00
init
ipc
kernel audit: fix possible null-pointer dereference in audit_filter_rules 2021-10-27 09:54:27 +02:00
lib
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mm mm, slub: fix mismatch between reconstructed freelist depth and cnt 2021-10-27 09:54:28 +02:00
net can: j1939: j1939_xtp_rx_rts_session_new(): abort TP less than 9 bytes 2021-10-27 09:54:27 +02:00
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sound ASoC: DAPM: Fix missing kctl change notifications 2021-10-27 09:54:27 +02:00
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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.