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Filename Latest commit message Latest commit date
Markus Elfring 78190a6ebe perf map: Delete two variable initialisations before null pointer checks in sort__sym_from_cmp() 
[ Upstream commit c160118a90d4acf335993d8d59b02ae2147a524e ]

Addresses of two data structure members were determined before
corresponding null pointer checks in the implementation of the function
“sort__sym_from_cmp”.

Thus avoid the risk for undefined behaviour by removing extra
initialisations for the local variables “from_l” and “from_r” (also
because they were already reassigned with the same value behind this
pointer check).

This issue was detected by using the Coccinelle software.

Fixes: 1b9e97a2a9 ("perf tools: Fix report -F symbol_from for data without branch info")
Signed-off-by: <elfring@users.sourceforge.net>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/cocci/54a21fea-64e3-de67-82ef-d61b90ffad05@web.de/
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-05-17 11:36:00 +02:00
arch parisc: Fix argument pointer in real64_call_asm() 2023-05-17 11:35:54 +02:00
block
certs
crypto crypto: drbg - Only fail when jent is unavailable in FIPS mode 2023-05-17 11:35:42 +02:00
Documentation media: uapi: add MEDIA_BUS_FMT_METADATA_FIXED media bus format. 2023-05-17 11:35:36 +02:00
drivers virtio_net: suppress cpu stall when free_unused_bufs 2023-05-17 11:36:00 +02:00
fs writeback: fix call of incorrect macro 2023-05-17 11:35:58 +02:00
include tick/nohz: Fix cpu_is_hotpluggable() by checking with nohz subsystem 2023-05-17 11:35:57 +02:00
init
ipc
kernel relayfs: fix out-of-bounds access in relay_file_read 2023-05-17 11:35:58 +02:00
lib debugobject: Ensure pool refill (again) 2023-05-17 11:35:56 +02:00
LICENSES
mm mm/swap: fix swap_info_struct race between swapoff and get_swap_pages() 2023-04-20 12:07:35 +02:00
net af_packet: Don't send zero-byte data in packet_sendmsg_spkt(). 2023-05-17 11:35:59 +02:00
samples
scripts scripts/gdb: fix lx-timerlist for Python3 2023-05-17 11:35:55 +02:00
security selinux: ensure av_permissions.h is built when needed 2023-05-17 11:35:34 +02:00
sound ALSA: caiaq: input: Add error handling for unsupported input methods in snd_usb_caiaq_input_init 2023-05-17 11:35:59 +02:00
tools perf map: Delete two variable initialisations before null pointer checks in sort__sym_from_cmp() 2023-05-17 11:36:00 +02:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
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Makefile Linux 5.4.242 2023-04-26 11:24:06 +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.