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Filename Latest commit message Latest commit date
Chengfeng Ye 572599cbf1 nfc: pn533: Fix double free when pn533_fill_fragment_skbs() fails
[ Upstream commit 9fec40f850658e00a14a7dd9e06f7fbc7e59cc4a ]

skb is already freed by dev_kfree_skb in pn533_fill_fragment_skbs,
but follow error handler branch when pn533_fill_fragment_skbs()
fails, skb is freed again, results in double free issue. Fix this
by not free skb in error path of pn533_fill_fragment_skbs.

Fixes: 963a82e07d ("NFC: pn533: Split large Tx frames in chunks")
Fixes: 93ad42020c ("NFC: pn533: Target mode Tx fragmentation support")
Signed-off-by: Chengfeng Ye <cyeaa@connect.ust.hk>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-11-17 09:48:47 +01:00
arch m68k: set a default value for MEMORY_RESERVE 2021-11-17 09:48:46 +01:00
block block: remove inaccurate requeue check 2021-11-17 09:48:31 +01:00
certs certs: Trigger creation of RSA module signing key if it's not an RSA key 2021-09-15 09:47:29 +02:00
crypto crypto: pcrypt - Delay write to padata->info 2021-11-17 09:48:40 +01:00
Documentation xen/balloon: add late_initcall_sync() for initial ballooning done 2021-11-17 09:48:25 +01:00
drivers nfc: pn533: Fix double free when pn533_fill_fragment_skbs() fails 2021-11-17 09:48:47 +01:00
fs NFSv4: Fix a regression in nfs_set_open_stateid_locked() 2021-11-17 09:48:46 +01:00
include llc: fix out-of-bound array index in llc_sk_dev_hash() 2021-11-17 09:48:47 +01:00
init kbuild: add CONFIG_LD_IS_LLD 2021-06-30 08:47:44 -04:00
ipc
kernel PM: hibernate: fix sparse warnings 2021-11-17 09:48:39 +01:00
lib lib/xz: Validate the value before assigning it to an enum variable 2021-11-17 09:48:31 +01:00
LICENSES
mm mm/zsmalloc.c: close race window between zs_pool_dec_isolated() and zs_unregister_migration() 2021-11-17 09:48:47 +01:00
net net: vlan: fix a UAF in vlan_dev_real_dev() 2021-11-17 09:48:47 +01:00
samples samples/kretprobes: Fix return value if register_kretprobe() failed 2021-11-17 09:48:39 +01:00
scripts leaking_addresses: Always print a trailing newline 2021-11-17 09:48:31 +01:00
security apparmor: fix error check 2021-11-17 09:48:44 +01:00
sound ASoC: cs42l42: Defer probe if request_threaded_irq() returns EPROBE_DEFER 2021-11-17 09:48:43 +01:00
tools perf bpf: Add missing free to bpf_event__print_bpf_prog_info() 2021-11-17 09:48:47 +01:00
usr
virt KVM: do not shrink halt_poll_ns below grow_start 2021-10-09 14:39:50 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
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Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.159 2021-11-12 14:43:05 +01:00
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.