Adrian Hunter 4f579272b0 perf callchain: Fix segfault in thread__resolve_callchain_sample() ...

[ Upstream commit aceb98261e ]

Do not dereference 'chain' when it is NULL.

  $ perf record -e intel_pt//u -e branch-misses:u uname
  $ perf report --itrace=l --branch-history
  perf: Segmentation fault

Fixes: e9024d519d ("perf callchain: Honour the ordering of PERF_CONTEXT_{USER,KERNEL,etc}")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lore.kernel.org/lkml/20191114142538.4097-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2019-12-17 20:35:51 +01:00

..

arch

perf tools: Propagate get_cpuid() error

2019-11-06 13:05:42 +01:00

bench

perf bench numa: Fix cpu0 binding

2019-08-29 08:28:36 +02:00

Documentation

perf config: Fix an error in the config template documentation

2019-04-20 09:15:57 +02:00

examples/bpf

perf trace: Handle "bpf-output" events associated with "__augmented_syscalls__" BPF map

2018-08-08 15:55:57 -03:00

include/bpf

perf bpf: Add wrappers to BPF_FUNC_probe_read(_str) functions

2018-08-08 15:55:57 -03:00

jvmti

perf jvmti: Address gcc string overflow warning for strncpy()

2019-07-26 09:14:04 +02:00

pmu-events

perf jevents: Fix period for Intel fixed counters

2019-11-06 13:05:42 +01:00

python

perf python: Make twatch.py work with both python2 and python3

2018-02-19 12:28:08 -03:00

scripts

perf script python: Fix export-to-sqlite.py sample columns

2018-09-25 11:37:05 -03:00

tests

perf tests: Avoid raising SEGV using an obvious NULL dereference

2019-11-06 13:05:41 +01:00

trace

perf trace beauty ioctl: Fix off-by-one error in cmd->string table

2019-10-05 13:09:50 +02:00

ui

perf hists browser: Fix potential NULL pointer dereference found by the smatch tool

2019-07-31 07:27:06 +02:00

util

perf callchain: Fix segfault in thread__resolve_callchain_sample()

2019-12-17 20:35:51 +01:00

.gitignore

perf tools: Add trace/beauty/generated/ into .gitignore

2018-02-05 13:58:02 -03:00

Build

perf trace: Remove audit-libs dependency if syscall tables are present

2018-01-23 09:51:38 -03:00

builtin-annotate.c

perf annotate: Add --percent-type option

2018-08-08 15:55:53 -03:00

builtin-bench.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

builtin-buildid-cache.c

perf buildid-cache: Warn --purge-all failures

2018-05-15 10:32:16 -03:00

builtin-buildid-list.c

Merge branch 'linus' into perf/core, to fix conflicts

2017-11-07 10:30:18 +01:00

builtin-c2c.c

perf c2c: Fix memory leak in build_cl_output()

2019-11-10 11:27:24 +01:00

builtin-config.c

Merge branch 'linus' into perf/core, to fix conflicts

2017-11-07 10:30:18 +01:00

builtin-data.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

builtin-diff.c

perf hists: Clarify callchain disabling when available

2018-07-24 14:37:33 -03:00

builtin-evlist.c

Merge branch 'linus' into perf/core, to fix conflicts

2017-11-07 10:30:18 +01:00

builtin-ftrace.c

perf ftrace: Fix failure to set cpumask when only one cpu is present

2019-08-29 08:28:46 +02:00

builtin-help.c

perf help: Remove needless use of strncpy()

2019-07-03 13:14:41 +02:00

builtin-inject.c

perf thread: Make thread__find_map() return the map

2018-04-26 13:47:08 -03:00

builtin-kallsyms.c

perf machine: Ditch find_kernel_function variants

2018-04-30 12:20:54 -03:00

builtin-kmem.c

perf kmem: Fix memory leak in compact_gfp_flags()

2019-11-10 11:27:25 +01:00

builtin-kvm.c

perf tools: Propagate get_cpuid() error

2019-11-06 13:05:42 +01:00

builtin-list.c

Merge branch 'linus' into perf/core, to fix conflicts

2017-11-07 10:30:18 +01:00

builtin-lock.c

Merge branch 'linus' into perf/core, to fix conflicts

2017-11-07 10:30:18 +01:00

builtin-mem.c

perf mem: Allow all record/report options

2018-04-18 15:35:48 -03:00

builtin-probe.c

perf probe: Avoid calling freeing routine multiple times for same pointer

2019-08-16 10:12:48 +02:00

builtin-record.c

perf record: Synthesize features before events in pipe mode

2018-03-16 13:56:50 -03:00

builtin-report.c

perf evsel: Store ids for events with their own cpus perf_event__synthesize_event_update_cpus

2018-10-16 08:18:52 -03:00

builtin-sched.c

perf sched: Use sched->show_callchain where appropriate

2018-06-05 10:09:54 -03:00

builtin-script.c

perf script: Fix invalid LBR/binary mismatch error

2019-12-13 08:52:55 +01:00

builtin-stat.c

perf stat: Reset previous counts on repeat with interval

2019-10-11 18:21:29 +02:00

builtin-timechart.c

perf tools: Add missing open_memstream() prototype for systems lacking it

2019-01-26 09:32:41 +01:00

builtin-top.c

perf top: Fix potential NULL pointer dereference detected by the smatch tool

2019-07-31 07:27:06 +02:00

builtin-trace.c

perf trace: Support multiple "vfs_getname" probes

2019-03-13 14:02:37 -07:00

builtin-version.c

perf version: Fix segfault due to missing OPT_END()

2019-08-06 19:06:50 +02:00

builtin.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

check-headers.sh

tools include: Adopt linux/bits.h

2019-04-27 09:36:40 +02:00

command-list.txt

perf tools: Missing c2c command in command-list

2017-03-13 10:59:31 -03:00

CREDITS

perf_counter tools: Add CREDITS file for Git contributors

2009-06-24 19:54:29 +02:00

design.txt

perf tools: Update some code references in design.txt

2014-03-18 18:17:06 -03:00

Makefile

perf tools: Disable parallelism for 'make clean'

2018-08-20 08:54:58 -03:00

Makefile.config

perf build: Add detection of java-11-openjdk-devel package

2019-10-11 18:21:22 +02:00

Makefile.perf

perf tools: Pass build flags to traceevent build

2018-10-16 14:57:59 -03:00

MANIFEST

perf tools: Get all of tools/{arch,include}/ in the MANIFEST

2017-09-25 10:39:43 -03:00

perf-archive.sh

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

perf-completion.sh

perf tools: Auto-complete for events with ':'

2017-12-27 12:16:00 -03:00

perf-read-vdso.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

perf-sys.h

Drop a bunch of metag references

2018-02-23 14:29:59 +00:00

perf-with-kcore.sh

perf tools: Fix perf-with-kcore handling of arguments containing spaces

2015-08-06 16:48:27 -03:00

perf.c

perf config: Honour $PERF_CONFIG env var to specify alternate .perfconfig

2019-10-05 13:09:40 +02:00

perf.h

perf tools: Increase MAX_NR_CPUS and MAX_CACHES

2019-07-26 09:14:12 +02:00