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Filename Latest commit message Latest commit date
Liu Song af574e78e7 ubifs: Fix out-of-bounds memory access caused by abnormal value of node_len 
[ Upstream commit acc5af3efa303d5f36cc8c0f61716161f6ca1384 ]

In “ubifs_check_node”, when the value of "node_len" is abnormal,
the code will goto label of "out_len" for execution. Then, in the
following "ubifs_dump_node", if inode type is "UBIFS_DATA_NODE",
in "print_hex_dump", an out-of-bounds access may occur due to the
wrong "ch->len".

Therefore, when the value of "node_len" is abnormal, data length
should to be adjusted to a reasonable safe range. At this time,
structured data is not credible, so dump the corrupted data directly
for analysis.

Signed-off-by: Liu Song <liu.song11@zte.com.cn>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-01 13:17:51 +02:00
arch KVM: LAPIC: Mark hrtimer for period or oneshot mode to expire in hard interrupt context 2020-10-01 13:17:45 +02:00
block block: only call sched requeue_request() for scheduled requests 2020-09-23 12:40:37 +02:00
certs
crypto crypto: af_alg - Work around empty control messages without MSG_MORE 2020-09-03 11:27:05 +02:00
Documentation affs: fix basic permission bits to actually work 2020-09-09 19:12:34 +02:00
drivers PCI: Use ioremap(), not phys_to_virt() for platform ROM 2020-10-01 13:17:51 +02:00
fs ubifs: Fix out-of-bounds memory access caused by abnormal value of node_len 2020-10-01 13:17:51 +02:00
include PCI: Use ioremap(), not phys_to_virt() for platform ROM 2020-10-01 13:17:51 +02:00
init exec: Add exec_update_mutex to replace cred_guard_mutex 2020-10-01 13:17:47 +02:00
ipc
kernel perf: Use new infrastructure to fix deadlocks in execve 2020-10-01 13:17:48 +02:00
lib kernel/sysctl-test: Add null pointer test for sysctl.c:proc_dointvec() 2020-10-01 13:17:10 +02:00
LICENSES
mm mm: avoid data corruption on CoW fault into PFN-mapped VMA 2020-10-01 13:17:39 +02:00
net netfilter: nf_tables: silence a RCU-list warning in nft_table_lookup() 2020-10-01 13:17:51 +02:00
samples bpf: Fix fds_example SIGSEGV error 2020-08-19 08:16:03 +02:00
scripts checkpatch: fix the usage of capture group ( ... ) 2020-09-09 19:12:37 +02:00
security selinux: sel_avc_get_stat_idx should increase position index 2020-10-01 13:17:32 +02:00
sound ASoC: SOF: ipc: check ipc return value before data copy 2020-10-01 13:17:37 +02:00
tools selftests/ptrace: add test cases for dead-locks 2020-10-01 13:17:48 +02:00
usr
virt KVM: fix overflow of zero page refcount with ksm running 2020-10-01 13:17:31 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
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COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Documentation/llvm: add documentation on building w/ Clang/LLVM 2020-08-26 10:40:46 +02:00
Makefile Linux 5.4.68 2020-09-26 18:03:16 +02:00
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.