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f5ceb159d3
linux/tools/perf
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Adrian Hunter f5ceb159d3 perf tools: Avoid warning in do_realloc_array_as_needed() 
do_realloc_array_as_needed() used memcpy() of zero size with a NULL
pointer. Check the size first to avoid sanitize warning.

Discovered using EXTRA_CFLAGS="-fsanitize=undefined -fsanitize=address".

Reported-by: kernel test robot <yujie.liu@intel.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/oe-lkp/202303061424.6ad43294-yujie.liu@intel.com
Link: https://lore.kernel.org/r/20230316194156.8320-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2023-04-04 09:39:56 -03:00
..
arch perf stat: Suppress warning when using cpum_cf events on s390 2023-04-04 09:39:55 -03:00
bench perf bench syscall: Add fork syscall benchmark 2023-04-04 09:39:55 -03:00
dlfilters perf tools: Fix usage of the verbose variable 2022-12-20 15:16:33 -03:00
Documentation perf report: Add 'simd' sort field 2023-03-20 19:28:21 -03:00
examples/bpf perf trace: Remove unused bpf map 'syscalls' 2022-11-23 10:30:00 -03:00
include/perf perf bpf: Remove now unused BPF headers 2022-11-04 11:41:48 -03:00
jvmti
pmu-events perf vendor events power9: Remove UTF-8 characters from JSON files 2023-04-04 09:39:55 -03:00
python
scripts perf script: Fix Python support when no libtraceevent 2023-03-15 10:27:07 -03:00
tests perf tests record_offcpu.sh: Fix redirection of stderr to stdin 2023-04-04 09:39:55 -03:00
trace perf beauty: Update copy of linux/socket.h with the kernel sources 2023-01-18 10:12:23 -03:00
ui perf tools: Fix "kernel lock contention analysis" test by not printing warnings in quiet mode 2022-10-27 16:37:26 -03:00
util perf tools: Avoid warning in do_realloc_array_as_needed() 2023-04-04 09:39:56 -03:00
.gitignore perf jevents: Run metric_test.py at compile-time 2023-02-03 17:11:39 -03:00
Build perf script: Fix Python support when no libtraceevent 2023-03-15 10:27:07 -03:00
builtin-annotate.c perf hist: Add 'kvm_info' field in histograms entry 2023-03-15 16:47:20 -03:00
builtin-bench.c perf bench syscall: Add fork syscall benchmark 2023-04-04 09:39:55 -03:00
builtin-buildid-cache.c
builtin-buildid-list.c
builtin-c2c.c perf hist: Add 'kvm_info' field in histograms entry 2023-03-15 16:47:20 -03:00
builtin-config.c
builtin-daemon.c perf daemon: Use sig_atomic_t to avoid UB 2022-11-03 09:35:44 -03:00
builtin-data.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
builtin-diff.c perf hist: Add 'kvm_info' field in histograms entry 2023-03-15 16:47:20 -03:00
builtin-evlist.c
builtin-ftrace.c perf ftrace: Make system wide the default target for latency subcommand 2023-04-04 09:39:55 -03:00
builtin-help.c
builtin-inject.c perf inject: Fix --buildid-all not to eat up MMAP2 2023-02-23 10:03:00 -03:00
builtin-kallsyms.c
builtin-kmem.c mm: discard __GFP_ATOMIC 2023-02-02 22:33:13 -08:00
builtin-kvm.c perf kvm: Delete histograms entries before exiting 2023-03-21 10:06:08 -03:00
builtin-kwork.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
builtin-list.c perf list: Support for printing metric thresholds 2023-02-19 08:06:49 -03:00
builtin-lock.c perf lock contention: Show lock type with address 2023-03-14 08:33:48 -03:00
builtin-mem.c perf tools: Move 'struct perf_sample' to a separate header file to disentangle headers 2022-10-31 11:06:41 -03:00
builtin-probe.c perf probe: Fix usage when libtraceevent is missing 2023-02-02 16:32:19 -03:00
builtin-record.c perf bpf filter: Show warning for missing sample flags 2023-03-15 11:08:36 -03:00
builtin-report.c perf evlist: Remove nr_groups 2023-03-13 17:42:27 -03:00
builtin-sched.c perf tools: Use dedicated non-atomic clear/set bit helpers 2022-12-05 09:29:06 -03:00
builtin-script.c perf intel-pt: Add event type names UINTR and UIRET 2023-03-20 19:25:27 -03:00
builtin-stat.c perf stat: Don't remove all grouped events when CPU maps disagree 2023-03-13 15:11:51 -03:00
builtin-timechart.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
builtin-top.c perf evlist: Remove group option. 2022-12-14 15:28:18 -03:00
builtin-trace.c perf record: Reuse target::initial_delay 2023-03-13 14:52:14 -03:00
builtin-version.c perf build: Remove unused HAVE_GLIBC_SUPPORT 2023-03-14 08:29:46 -03:00
builtin.h
check-headers.sh tools headers: Update the copy of x86's memcpy_64.S used in 'perf bench' 2022-10-25 17:40:48 -03:00
command-list.txt perf help: Use HAVE_LIBTRACEEVENT to filter out unsupported commands 2023-01-02 11:51:53 -03:00
CREDITS
design.txt
Makefile perf tools: Use "grep -E" instead of "egrep" 2022-12-14 15:28:19 -03:00
Makefile.config perf build: Error if no libelf and NO_LIBELF isn't set 2023-03-14 08:29:46 -03:00
Makefile.perf perf build: Add warning for when vmlinux.h generation fails 2023-04-04 09:39:54 -03:00
MANIFEST tools lib traceevent: Remove libtraceevent 2022-12-14 11:16:12 -03:00
perf-archive.sh
perf-completion.sh perf tools: Fix auto-complete on aarch64 2023-02-08 10:38:10 -03:00
perf-iostat.sh
perf-read-vdso.c
perf-sys.h
perf.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
perf.h