kernel/linux
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ synced 2026-11-08 18:57:22 +00:00
Code Issues Releases Packages Activity
linux/tools/lib/perf
History
Ian Rogers 6b4f044d9c libperf cpumap: Fix perf_cpu_map__max for an empty/NULL map 
[ Upstream commit a0a4173631 ]

Passing an empty map to perf_cpu_map__max triggered a SEGV. Explicitly
test for the empty map.

Reported-by: Ingo Molnar <mingo@kernel.org>
Closes: https://lore.kernel.org/linux-perf-users/aSwt7yzFjVJCEmVp@gmail.com/
Tested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-01-08 10:14:12 +01:00
..
Documentation libperf cpumap: Replace usage of perf_cpu_map__new(NULL) with perf_cpu_map__new_online_cpus() 2023-12-12 14:55:13 -03:00
include libperf event: Ensure tracing data is multiple of 8 sized 2025-10-19 16:33:35 +02:00
tests libperf cpumap: Replace usage of perf_cpu_map__new(NULL) with perf_cpu_map__new_online_cpus() 2023-12-12 14:55:13 -03:00
.gitignore libperf: Add gitignore 2024-08-01 12:11:33 -03:00
Build libperf: Change tests to single static and shared binaries 2021-07-07 11:41:58 -03:00
core.c libperf: Move to tools/lib/perf 2020-01-06 11:46:09 -03:00
cpumap.c libperf cpumap: Fix perf_cpu_map__max for an empty/NULL map 2026-01-08 10:14:12 +01:00
evlist.c libperf: evlist: Fix --cpu argument on hybrid platform 2024-12-19 18:13:17 +01:00
evsel.c libperf cpumap: Rename perf_cpu_map__dummy_new() to perf_cpu_map__new_any_cpu() 2023-12-12 14:01:47 -03:00
internal.h libperf: Move to tools/lib/perf 2020-01-06 11:46:09 -03:00
lib.c libperf: Add preadn() 2022-05-23 10:11:12 -03:00
libperf.map libperf cpumap: Add any, empty and min helpers 2024-03-21 10:41:28 -03:00
libperf.pc.template libperf: Move to tools/lib/perf 2020-01-06 11:46:09 -03:00
Makefile perf cpumap: Add reference count checking 2023-04-17 16:50:02 -03:00
mmap.c perf record: Fix comment misspellings 2024-04-26 22:13:10 -03:00
threadmap.c libperf: Add API for allocating new thread map array 2022-02-23 14:40:23 -03:00
xyarray.c libperf: Move to tools/lib/perf 2020-01-06 11:46:09 -03:00