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SUSE:SLE-15-SP5:Update
perf.23962
perf-stat-fix-null-pointer-dereference.patch
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File perf-stat-fix-null-pointer-dereference.patch of Package perf.23962
From: Hongbo Yao <yaohongbo@huawei.com> Date: Fri, 5 Jun 2020 17:17:40 +0800 Subject: perf stat: Fix NULL pointer dereference Git-commit: c0c652fc705de75f4ba52e93053acc1ed3933e74 Patch-mainline: v5.8-rc2 References: git-fixes If config->aggr_map is NULL and config->aggr_get_id is not NULL, the function print_aggr() will still calling arrg_update_shadow(), which can result in accessing the invalid pointer. Fixes: 088519f318be ("perf stat: Move the display functions to stat-display.c") Signed-off-by: Hongbo Yao <yaohongbo@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wei Li <liwei391@huawei.com> Link: https://lore.kernel.org/lkml/20200608163625.GC3073@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Tony Jones <tonyj@suse.de> --- tools/perf/util/stat-display.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index 3c6976f7574c..57d0706e1330 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -668,7 +668,7 @@ static void print_aggr(struct perf_stat_config *config, int s; bool first; - if (!(config->aggr_map || config->aggr_get_id)) + if (!config->aggr_map || !config->aggr_get_id) return; aggr_update_shadow(config, evlist); @@ -1169,7 +1169,7 @@ static void print_percore(struct perf_stat_config *config, int s; bool first = true; - if (!(config->aggr_map || config->aggr_get_id)) + if (!config->aggr_map || !config->aggr_get_id) return; if (config->percore_show_thread)
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