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Filename Latest commit message Latest commit date
Zheng Wang 0078dd8758 misc: sgi-gru: fix use-after-free error in gru_set_context_option, gru_fault and gru_handle_user_call_os 
[ Upstream commit 643a16a0eb1d6ac23744bb6e90a00fc21148a9dc ]

In some bad situation, the gts may be freed gru_check_chiplet_assignment.
The call chain can be gru_unload_context->gru_free_gru_context->gts_drop
and kfree finally. However, the caller didn't know if the gts is freed
or not and use it afterwards. This will trigger a Use after Free bug.

Fix it by introducing a return value to see if it's in error path or not.
Free the gts in caller if gru_check_chiplet_assignment check failed.

Fixes: 55484c45db ("gru: allow users to specify gru chiplet 2")
Signed-off-by: Zheng Wang <zyytlz.wz@163.com>
Acked-by: Dimitri Sivanich <sivanich@hpe.com>
Link: https://lore.kernel.org/r/20221110035033.19498-1-zyytlz.wz@163.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-01-18 11:41:24 +01:00
arch MIPS: OCTEON: warn only once if deprecated link status is being used 2023-01-18 11:40:58 +01:00
block block: unhash blkdev part inode when the part is deleted 2022-12-19 12:24:16 +01:00
certs
crypto crypto: tcrypt - Fix multibuffer skcipher speed test mem leak 2023-01-18 11:41:19 +01:00
Documentation ASoC: dt-bindings: wcd9335: fix reset line polarity in example 2023-01-18 11:41:06 +01:00
drivers misc: sgi-gru: fix use-after-free error in gru_set_context_option, gru_fault and gru_handle_user_call_os 2023-01-18 11:41:24 +01:00
fs orangefs: Fix sysfs not cleanup when dev init failed 2023-01-18 11:41:20 +01:00
include bonding: Rename slave_arr to usable_slaves 2023-01-18 11:41:05 +01:00
init
ipc
kernel blktrace: Fix output non-blktrace event when blk_classic option enabled 2023-01-18 11:41:13 +01:00
lib test_firmware: fix memory leak in test_firmware_init() 2023-01-18 11:41:23 +01:00
LICENSES
mm mm/hugetlb: fix races when looking up a CONT-PTE/PMD size hugetlb page 2022-12-19 12:24:15 +01:00
net Bluetooth: RFCOMM: don't call kfree_skb() under spin_lock_irqsave() 2023-01-18 11:41:16 +01:00
samples
scripts
security apparmor: Use pointer to struct aa_label for lbs_cred 2023-01-18 11:41:17 +01:00
sound ALSA: mts64: fix possible null-ptr-defer in snd_mts64_interrupt 2023-01-18 11:41:09 +01:00
tools netfilter: conntrack: set icmpv6 redirects as RELATED 2023-01-18 11:41:08 +01:00
usr
virt
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.cocciconfig
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COPYING
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Kconfig
MAINTAINERS
Makefile Linux 5.4.228 2022-12-19 12:24:17 +01:00
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.