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i2som-imx-linux/tools/perf/util
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He Zhe 06ed429b90 perf cpumap: Fix writing to illegal memory in handling cpumap mask 
[ Upstream commit 5f5e25f1c7 ]

cpu_map__snprint_mask() would write to illegal memory pointed by
zalloc(0) when there is only one cpu.

This patch fixes the calculation and adds sanity check against the input
parameters.

Signed-off-by: He Zhe <zhe.he@windriver.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Fixes: 4400ac8a9a ("perf cpumap: Introduce cpu_map__snprint_mask()")
Link: http://lkml.kernel.org/r/1564734592-15624-2-git-send-email-zhe.he@windriver.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-08-29 08:28:47 +02:00
..
c++
perf tools: Fix a clang 7.0 compilation error
2018-06-25 11:59:37 -03:00
cs-etm-decoder
perf cs-etm: Fix start tracing packet handling
2018-07-31 10:57:56 -03:00
include
…
intel-pt-decoder
perf intel-pt: Fix sample timestamp wrt non-taken branches
2019-05-25 18:23:33 +02:00
libunwind
…
scripting-engines
perf script python: Add trace_context extension module to sys.modules
2019-04-05 22:33:14 +02:00
annotate.c
perf annotate: Fix dereferencing freed memory found by the smatch tool
2019-07-31 07:27:06 +02:00
annotate.h
perf annotate: Fix parsing aarch64 branch instructions after objdump update
2018-08-30 15:51:54 -03:00
arm-spe-pkt-decoder.c
perf tools: Add ARM Statistical Profiling Extensions (SPE) support
2018-01-17 10:23:31 -03:00
arm-spe-pkt-decoder.h
perf tools: Add ARM Statistical Profiling Extensions (SPE) support
2018-01-17 10:23:31 -03:00
arm-spe.c
perf tools: Add ARM Statistical Profiling Extensions (SPE) support
2018-01-17 10:23:31 -03:00
arm-spe.h
perf tools: Add ARM Statistical Profiling Extensions (SPE) support
2018-01-17 10:23:31 -03:00
auxtrace.c
perf auxtrace: Define auxtrace record alignment
2019-03-23 20:10:11 +01:00
auxtrace.h
perf auxtrace: Define auxtrace record alignment
2019-03-23 20:10:11 +01:00
block-range.c
…
block-range.h
…
bpf-loader.c
perf bpf: Make bpf__setup_output_event() return the bpf-output event
2018-08-08 15:55:58 -03:00
bpf-loader.h
perf bpf: Make bpf__setup_output_event() return the bpf-output event
2018-08-08 15:55:58 -03:00
bpf-prologue.c
docs: Fix some broken references
2018-06-15 18:10:01 -03:00
bpf-prologue.h
…
branch.c
…
branch.h
…
Build
perf auxtrace: Support for perf report -D for s390
2018-08-03 10:34:18 -03:00
build-id.c
perf build-id: Fix memory leak in print_sdt_events()
2019-04-20 09:15:57 +02:00
build-id.h
…
cache.h
…
call-path.c
…
call-path.h
…
callchain.c
perf report: Fix wrong iteration count in --branch-history
2019-02-20 10:25:39 +01:00
callchain.h
perf report: Fix wrong iteration count in --branch-history
2019-02-20 10:25:39 +01:00
cgroup.c
perf cgroup: Make evlist__find_cgroup() more compact
2018-06-04 10:28:50 -03:00
cgroup.h
perf cgroup: Make the cgroup name be const char *
2018-03-07 10:22:26 -03:00
cloexec.c
…
cloexec.h
…
color.c
…
color.h
…
comm.c
perf tools: Fix struct comm_str removal crash
2018-07-24 14:54:03 -03:00
comm.h
…
compress.h
perf tools: Add is_compressed callback to compressions array
2018-08-20 08:54:59 -03:00
config.c
perf config: Fix a memory leak in collect_config()
2019-04-20 09:15:57 +02:00
config.h
perf config: Call perf_config__init() lazily
2018-05-16 16:11:09 -03:00
counts.c
…
counts.h
…
cpumap.c
perf cpumap: Fix writing to illegal memory in handling cpumap mask
2019-08-29 08:28:47 +02:00
cpumap.h
…
cs-etm.c
perf cs-etm: Correct packets swapping in cs_etm__flush()
2019-01-26 09:32:41 +01:00
cs-etm.h
coresight: Move to SPDX identifier
2018-04-19 12:29:41 -03:00
ctype.c
…
data-convert-bt.c
perf data: Fix 'strncat may truncate' build failure with recent gcc
2019-06-22 08:15:18 +02:00
data-convert-bt.h
…
data-convert.h
…
data.c
perf tools: Move conditional O_CLOEXEC to util.h
2018-01-23 09:48:20 -03:00
data.h
…
db-export.c
perf symbols: Unify symbol maps
2018-04-27 10:47:06 -03:00
db-export.h
…
debug.c
perf debug: Avoid setting 'quiet' to 'true' unnecessarily
2018-03-16 16:39:02 -03:00
debug.h
…
demangle-java.c
…
demangle-java.h
…
demangle-rust.c
…
demangle-rust.h
…
drv_configs.c
…
drv_configs.h
…
dso.c
perf dso: Fix unchecked usage of strncpy()
2019-02-12 19:47:11 +01:00
dso.h
perf tools: Remove ext from struct kmod_path
2018-08-20 08:54:59 -03:00
dump-insn.c
…
dump-insn.h
…
dwarf-aux.c
perf config: Rename to HAVE_DWARF_GETLOCATIONS_SUPPORT
2018-04-02 13:50:24 -03:00
dwarf-aux.h
…
dwarf-regs.c
…
env.c
perf env: Also consider env->arch == NULL as local operation
2019-01-09 17:38:43 +01:00
env.h
perf machine: Add nr_cpus_avail()
2018-05-22 10:52:49 -03:00
event.c
perf tools: Use fallback for sample_addr_correlates_sym() cases
2019-01-09 17:38:42 +01:00
event.h
perf machine: Synthesize and process mmap events for x86 PTI entry trampolines
2018-05-23 10:26:39 -03:00
evlist.c
perf tools: Add missing sigqueue() prototype for systems lacking it
2019-01-26 09:32:41 +01:00
evlist.h
perf evlist: Introduce force_leader() method
2018-05-21 14:40:54 -03:00
evsel_fprintf.c
…
evsel.c
perf evsel: Make perf_evsel__name() accept a NULL argument
2019-07-26 09:14:08 +02:00
evsel.h
perf annotate: Loop group events directly in annotation__calc_percent()
2018-08-08 15:55:47 -03:00
expr.h
…
expr.y
…
find-vdso-map.c
…
genelf_debug.c
…
genelf.c
perf tools: Fix spelling mistake: "builid" -> "buildid"
2018-04-30 12:02:03 -03:00
genelf.h
…
generate-cmdlist.sh
perf tools: Rename HAVE_SYSCALL_TABLE to HAVE_SYSCALL_TABLE_SUPPORT
2018-04-12 10:33:31 -03:00
group.h
…
header.c
perf header: Fix use of unitialized value warning
2019-08-25 10:47:53 +02:00
header.h
perf tools: Fix the build on the alpine:edge distro
2018-07-30 13:15:03 -03:00
help-unknown-cmd.c
…
help-unknown-cmd.h
…
hist.c
perf hist: Add missing map__put() in error case
2019-04-20 09:15:58 +02:00
hist.h
perf hists: Clarify callchain disabling when available
2018-07-24 14:37:33 -03:00
intel-bts.c
perf intel-pt/bts: Calculate cpumode for synthesized samples
2018-11-21 09:19:19 +01:00
intel-bts.h
…
intel-pt.c
perf intel-pt: Fix divide by zero when TSC is not available
2019-03-23 20:10:11 +01:00
intel-pt.h
…
intlist.c
…
intlist.h
…
jit.h
…
jitdump.c
…
jitdump.h
…
kvm-stat.h
…
levenshtein.c
…
levenshtein.h
…
llvm-utils.c
perf llvm: Allow passing options to llc in addition to clang
2018-08-20 08:54:58 -03:00
llvm-utils.h
perf llvm: Allow passing options to llc in addition to clang
2018-08-20 08:54:58 -03:00
lzma.c
perf tools: Add lzma_is_compressed function
2018-08-20 08:54:59 -03:00
machine.c
perf record: Fix module size on s390
2019-08-16 10:12:41 +02:00
machine.h
perf record: Fix module size on s390
2019-08-16 10:12:41 +02:00
map.c
perf tools: Fix maps__find_symbol_by_name()
2018-09-11 14:12:51 -03:00
map.h
perf map: Optimize maps__fixup_overlappings()
2018-08-08 15:56:00 -03:00
mem2node.c
perf tools: Add mem2node object
2018-03-16 13:52:37 -03:00
mem2node.h
perf tools: Add mem2node object
2018-03-16 13:52:37 -03:00
mem-events.c
…
mem-events.h
…
memswap.c
…
memswap.h
…
metricgroup.c
perf stat: Fix group lookup for metric group
2019-07-26 09:14:15 +02:00
metricgroup.h
perf stat: Add transaction flag (-T) support for s390
2018-07-24 14:49:37 -03:00
mmap.c
perf mmap: Store real cpu number in 'struct perf_mmap'
2018-08-20 08:54:59 -03:00
mmap.h
perf mmap: Store real cpu number in 'struct perf_mmap'
2018-08-20 08:54:59 -03:00
namespaces.c
perf tools: Restore proper cwd on return from mnt namespace
2018-12-17 09:24:33 +01:00
namespaces.h
perf tools: Restore proper cwd on return from mnt namespace
2018-12-17 09:24:33 +01:00
ordered-events.c
…
ordered-events.h
…
parse-branch-options.c
…
parse-branch-options.h
…
parse-events.c
perf build-id: Fix memory leak in print_sdt_events()
2019-04-20 09:15:57 +02:00
parse-events.h
perf parse-events: Handle uncore event aliases in small groups properly
2018-05-30 10:40:44 -03:00
parse-events.l
perf record: Enable arbitrary event names thru name= modifier
2018-06-06 12:52:04 -03:00
parse-events.y
perf tools: Fix error index for pmu event parser
2018-06-07 15:50:14 -03:00
parse-regs-options.c
…
parse-regs-options.h
…
path.c
perf utils: Move is_directory() to path.h
2017-12-27 12:15:48 -03:00
path.h
perf utils: Move is_directory() to path.h
2017-12-27 12:15:48 -03:00
perf_regs.c
…
perf_regs.h
…
perf-hooks-list.h
…
perf-hooks.c
…
perf-hooks.h
…
PERF-VERSION-GEN
…
pmu.c
perf pmu: Fix uncore PMU alias list for ARM64
2019-07-14 08:11:17 +02:00
pmu.h
…
pmu.l
…
pmu.y
…
print_binary.c
…
print_binary.h
…
probe-event.c
perf probe: Fix getting the kernel map
2019-03-27 14:14:40 +09:00
probe-event.h
…
probe-file.c
perf probe: Fix unchecked usage of strncpy()
2019-02-12 19:47:11 +01:00
probe-file.h
…
probe-finder.c
perf probe: Use right type to access array elements
2018-03-19 13:51:53 -03:00
probe-finder.h
…
pstack.c
…
pstack.h
…
python-ext-sources
perf evsel: Fix swap for samples with raw data
2017-12-27 12:15:56 -03:00
python.c
perf python: Do not force closing original perf descriptor in evlist.get_pollfd()
2019-02-12 19:47:18 +01:00
rb_resort.h
…
rblist.c
…
rblist.h
…
record.c
perf record: Fix crash in pipe mode
2018-03-05 11:52:41 -03:00
rwsem.c
…
rwsem.h
…
s390-cpumsf-kernel.h
perf report: Add raw report support for s390 auxiliary trace
2018-08-08 15:26:48 -03:00
s390-cpumsf.c
perf report: Add s390 diagnosic sampling descriptor size
2019-04-05 22:33:07 +02:00
s390-cpumsf.h
perf auxtrace: Support for perf report -D for s390
2018-08-03 10:34:18 -03:00
sane_ctype.h
…
session.c
perf session: Fix potential NULL pointer dereference found by the smatch tool
2019-07-31 07:27:06 +02:00
session.h
…
setns.c
…
setup.py
perf python: Use -Wno-redundant-decls to build with PYTHON=python3
2018-10-05 11:11:55 -03:00
smt.c
…
smt.h
…
sort.c
perf report: Don't shadow inlined symbol with different addr range
2019-04-05 22:33:05 +02:00
sort.h
tools lib traceevent, perf tools: Rename struct pevent to struct tep_handle
2018-08-10 15:29:35 -03:00
srcline.c
perf report: Don't shadow inlined symbol with different addr range
2019-04-05 22:33:05 +02:00
srcline.h
perf report: Fix a wrong offset issue when using /proc/kcore
2018-01-08 11:11:57 -03:00
stat-shadow.c
perf stat: Make metric event lookup more robust
2019-07-26 09:14:15 +02:00
stat.c
perf stat: Make function perf_stat_evsel_id_init static
2018-03-16 13:56:17 -03:00
stat.h
perf stat: Add --table option to display time of each run
2018-04-26 09:30:27 -03:00
strbuf.c
perf strbuf: Match va_{add,copy} with va_end
2018-11-13 11:08:22 -08:00
strbuf.h
…
strfilter.c
…
strfilter.h
…
string2.h
perf string: Add {strdup,strpbrk}_esc()
2017-12-27 12:15:55 -03:00
string.c
perf string: Add {strdup,strpbrk}_esc()
2017-12-27 12:15:55 -03:00
strlist.c
…
strlist.h
…
svghelper.c
perf svghelper: Fix unchecked usage of strncpy()
2019-01-26 09:32:40 +01:00
svghelper.h
…
symbol_fprintf.c
perf symbols: Unify symbol maps
2018-04-27 10:47:06 -03:00
symbol-elf.c
perf symbols: Filter out hidden symbols from labels
2019-03-13 14:02:37 -07:00
symbol-minimal.c
perf symbols: Unify symbol maps
2018-04-27 10:47:06 -03:00
symbol.c
perf annotate: Fix s390 gap between kernel end and module start
2019-08-16 10:12:41 +02:00
symbol.h
perf annotate: Fix s390 gap between kernel end and module start
2019-08-16 10:12:41 +02:00
syscalltbl.c
perf trace arm64: Use generated syscall table
2018-07-24 14:53:01 -03:00
syscalltbl.h
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target.c
…
target.h
perf stat: Remove --per-thread pid/tid limitation
2017-12-27 12:15:47 -03:00
term.c
…
term.h
…
thread_map.c
perf stat: Ignore error thread when enabling system-wide --per-thread
2018-02-27 11:29:21 -03:00
thread_map.h
perf stat: Ignore error thread when enabling system-wide --per-thread
2018-02-27 11:29:21 -03:00
thread-stack.c
perf intel-pt: Insert callchain context into synthesized callchains
2018-11-21 09:19:19 +01:00
thread-stack.h
perf intel-pt: Insert callchain context into synthesized callchains
2018-11-21 09:19:19 +01:00
thread.c
perf db-export: Fix thread__exec_comm()
2019-08-16 10:12:41 +02:00
thread.h
perf thread: Add fallback functions for cases where cpumode is insufficient
2019-01-09 17:38:42 +01:00
time-utils.c
perf util: Allocate time slices buffer according to number of comma
2018-01-17 10:23:36 -03:00
time-utils.h
perf util: Allocate time slices buffer according to number of comma
2018-01-17 10:23:36 -03:00
tool.h
perf tools: Make the tool's warning messages optional
2018-01-10 12:00:55 -03:00
top.c
…
top.h
perf annotate stdio: Use annotation_options consistently
2018-06-04 10:28:52 -03:00
trace-event-info.c
perf tools: Cleanup trace-event-info 'tdata' leak
2018-11-13 11:08:22 -08:00
trace-event-parse.c
perf tools: Free 'printk' string in parse_ftrace_printk()
2018-11-13 11:08:22 -08:00
trace-event-read.c
perf tools: Free temporary 'sys' string in read_event_files()
2018-11-13 11:08:22 -08:00
trace-event-scripting.c
tools lib traceevent, perf tools: Rename struct pevent to struct tep_handle
2018-08-10 15:29:35 -03:00
trace-event.c
tools lib traceevent, perf tools: Rename 'enum pevent_flag' to 'enum tep_flag'
2018-08-13 15:22:18 -03:00
trace-event.h
tools lib traceevent, perf tools: Rename pevent alloc / free APIs
2018-08-13 15:21:43 -03:00
trigger.h
perf tools: Fix trigger class trigger_on()
2018-03-06 11:31:14 -03:00
tsc.c
…
tsc.h
…
units.c
…
units.h
…
unwind-libdw.c
perf unwind: Take pgoff into account when reporting elf to libdwfl
2018-11-27 16:12:59 +01:00
unwind-libdw.h
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unwind-libunwind-local.c
perf script: Show correct offsets for DWARF-based unwinding
2018-07-24 14:53:11 -03:00
unwind-libunwind.c
perf env: Adopt perf_env__arch() from the annotate code
2017-12-27 12:15:52 -03:00
unwind.h
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usage.c
…
util-cxx.h
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util.c
perf tools: No need to unconditionally read the max_stack sysctls
2018-05-17 16:31:32 -03:00
util.h
perf tools: No need to unconditionally read the max_stack sysctls
2018-05-17 16:31:32 -03:00
values.c
…
values.h
…
vdso.c
perf map: Remove enum_type arg to map_groups__first()
2018-04-26 13:47:15 -03:00
vdso.h
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xyarray.c
…
xyarray.h
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zlib.c
perf tools: Add gzip_is_compressed function
2018-08-20 08:54:59 -03:00