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Arnaldo Carvalho de Melo 607fc3dc95 perf events parse: Use just one parse events state struct 
commit d17d0878f4 upstream.

Andi reported problems when parse errors were detected with vendor
events (json), because in the yyparse/parse_events_parse function we
dereferenced the _data parameter to two different structs, with
different layouts, which ended up making parse_events_evlist->error to
point to random stack addresses.

Fix it by making _data to always be struct parse_events_state, changing
the only place where 'struct parse_events_term' was used in
parse_events.y.

Reported-by: Andi Kleen <ak@linux.intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-bc27lshz823hxl8n9nkelcgh@git.kernel.org
Fixes: 90e2b22dee ("perf/tool: Add support to reuse event grammar to parse out terms")
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2017-11-26 13:50:20 +00:00
..
cgroup cgroups: fix cgroup_event_listener error handling 2013-01-08 10:00:44 -08:00
firewire tools/firewire: nosy-dump: check for allocation failure 2012-12-02 20:10:18 +01:00
hv Tools: hv: Handle the case when the target file exists correctly 2014-04-16 14:10:36 -07:00
include perf tools: Move ACCESS_ONCE from perf.h header 2014-05-05 17:49:07 +02:00
lguest tools/lguest: offer VIRTIO_F_ANY_LAYOUT for net device. 2013-07-15 11:18:32 +09:30
lib tools/lib/lockdep: Reduce MAX_LOCK_DEPTH to avoid overflowing lock_chain/: Depth 2017-10-12 15:27:44 +01:00
net tools/net: Use include/uapi with __EXPORTED_HEADERS__ 2015-12-14 10:17:12 +00:00
nfsd NFSD: Added fault injection script 2011-11-07 21:10:47 -05:00
perf perf events parse: Use just one parse events state struct 2017-11-26 13:50:20 +00:00
power cpupower: Fix turbo frequency reporting for pre-Sandy Bridge cores 2017-07-18 18:40:35 +01:00
scripts tools lib traceevent: Add global QUIET_CC_FPIC build output 2013-12-19 16:18:10 -03:00
testing selftests/powerpc: Fix TM resched DSCR test with some compilers 2017-09-15 18:29:46 +01:00
thermal/tmon tmon: set umask to a reasonable value 2014-07-01 22:00:51 +08:00
usb tools: ffs-test: fix header values endianess 2014-06-30 13:23:58 -05:00
virtio tools: Consolidate types.h 2014-05-01 21:22:39 +02:00
vm tools/vm/slabinfo: fix an unintentional printf 2016-11-20 01:16:57 +00:00
Makefile tools: Add a "make all" rule 2016-01-25 10:43:31 +00:00