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Florent Revest 38d26d89b3 bpf: Lock bpf_trace_printk's tmp buf before it is written to
bpf_trace_printk uses a shared static buffer to hold strings before they
are printed. A recent refactoring moved the locking of that buffer after
it gets filled by mistake.

Fixes: d9c9e4db18 ("bpf: Factorize bpf_trace_printk and bpf_seq_printf")
Reported-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Florent Revest <revest@chromium.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210427112958.773132-1-revest@chromium.org
2021-04-27 08:04:34 -07:00
arch net: korina: Add support for device tree 2021-04-19 15:58:14 -07:00
block
certs
crypto
Documentation net: ethernet: ixp4xx: Add DT bindings 2021-04-25 18:27:13 -07:00
drivers bnxt_en: Implement .ndo_features_check(). 2021-04-25 18:37:39 -07:00
fs Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-04-17 11:08:07 -07:00
include macvlan: Add nodst option to macvlan type source 2021-04-25 18:35:01 -07:00
init
ipc
kernel bpf: Lock bpf_trace_printk's tmp buf before it is written to 2021-04-27 08:04:34 -07:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-04-17 11:08:07 -07:00
LICENSES
mm mm: ptdump: fix build failure 2021-04-16 16:10:37 -07:00
net mlx5-updates-2021-04-21 2021-04-25 18:31:35 -07:00
samples samples/bpf: Fix broken tracex1 due to kprobe argument change 2021-04-19 18:19:49 -07:00
scripts Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-04-25 18:02:32 -07:00
security Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-04-17 11:08:07 -07:00
sound
tools selftests/bpf: Fix core_reloc test runner 2021-04-26 18:37:13 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS phy: nxp-c45: add driver for tja1103 2021-04-19 16:19:44 -07:00
Makefile Linux 5.12-rc7 2021-04-11 15:16:13 -07:00
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.