6.5-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ian Rogers <irogers@xxxxxxxxxx> [ Upstream commit 77cdd787fc45e3426b8e0b5038b85c276540dfb4 ] Migration to improve error reporting as YYABORT cases should carry event parsing errors. Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx> Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx> Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx> Cc: Athira Rajeev <atrajeev@xxxxxxxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Kan Liang <kan.liang@xxxxxxxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: bpf@xxxxxxxxxxxxxxx Link: https://lore.kernel.org/r/20230627181030.95608-9-irogers@xxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Stable-dep-of: b30d4f0b6954 ("perf parse-events: Additional error reporting") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- tools/perf/util/parse-events.y | 58 +++++++++++++++++++++++----------- 1 file changed, 40 insertions(+), 18 deletions(-) diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index 6b996f22dee3a..78c1f49d8d7e4 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -455,7 +455,8 @@ value_sym '/' event_config '/' bool wildcard = (type == PERF_TYPE_HARDWARE || type == PERF_TYPE_HW_CACHE); list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; err = parse_events_add_numeric(_parse_state, list, type, config, $3, wildcard); parse_events_terms__delete($3); if (err) { @@ -473,7 +474,8 @@ value_sym sep_slash_slash_dc bool wildcard = (type == PERF_TYPE_HARDWARE || type == PERF_TYPE_HW_CACHE); list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config, /*head_config=*/NULL, wildcard)); $$ = list; @@ -484,7 +486,8 @@ PE_VALUE_SYM_TOOL sep_slash_slash_dc struct list_head *list; list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; ABORT_ON(parse_events_add_tool(_parse_state, list, $1)); $$ = list; } @@ -497,7 +500,9 @@ PE_LEGACY_CACHE opt_event_config int err; list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; + err = parse_events_add_cache(list, &parse_state->idx, $1, parse_state, $2); parse_events_terms__delete($2); @@ -516,7 +521,9 @@ PE_PREFIX_MEM PE_VALUE PE_BP_SLASH PE_VALUE PE_BP_COLON PE_MODIFIER_BP opt_event int err; list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; + err = parse_events_add_breakpoint(_parse_state, list, $2, $6, $4, $7); parse_events_terms__delete($7); @@ -534,7 +541,9 @@ PE_PREFIX_MEM PE_VALUE PE_BP_SLASH PE_VALUE opt_event_config int err; list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; + err = parse_events_add_breakpoint(_parse_state, list, $2, NULL, $4, $5); parse_events_terms__delete($5); @@ -551,7 +560,9 @@ PE_PREFIX_MEM PE_VALUE PE_BP_COLON PE_MODIFIER_BP opt_event_config int err; list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; + err = parse_events_add_breakpoint(_parse_state, list, $2, $4, 0, $5); parse_events_terms__delete($5); @@ -569,7 +580,8 @@ PE_PREFIX_MEM PE_VALUE opt_event_config int err; list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; err = parse_events_add_breakpoint(_parse_state, list, $2, NULL, 0, $3); parse_events_terms__delete($3); @@ -589,7 +601,8 @@ tracepoint_name opt_event_config int err; list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; if (error) error->idx = @1.first_column; @@ -621,7 +634,8 @@ PE_VALUE ':' PE_VALUE opt_event_config int err; list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; err = parse_events_add_numeric(_parse_state, list, (u32)$1, $3, $4, /*wildcard=*/false); parse_events_terms__delete($4); @@ -640,7 +654,8 @@ PE_RAW opt_event_config u64 num; list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; errno = 0; num = strtoull($1 + 1, NULL, 16); ABORT_ON(errno); @@ -663,7 +678,8 @@ PE_BPF_OBJECT opt_event_config int err; list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; err = parse_events_load_bpf(parse_state, list, $1, false, $2); parse_events_terms__delete($2); free($1); @@ -680,7 +696,8 @@ PE_BPF_SOURCE opt_event_config int err; list = alloc_list(); - ABORT_ON(!list); + if (!list) + YYNOMEM; err = parse_events_load_bpf(_parse_state, list, $1, true, $2); parse_events_terms__delete($2); if (err) { @@ -745,7 +762,8 @@ event_term struct list_head *head = malloc(sizeof(*head)); struct parse_events_term *term = $1; - ABORT_ON(!head); + if (!head) + YYNOMEM; INIT_LIST_HEAD(head); list_add_tail(&term->list, head); $$ = head; @@ -922,7 +940,8 @@ PE_DRV_CFG_TERM struct parse_events_term *term; char *config = strdup($1); - ABORT_ON(!config); + if (!config) + YYNOMEM; if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG, config, $1, &@1, NULL)) { free($1); @@ -953,7 +972,8 @@ array_terms ',' array_term new_array.ranges = realloc($1.ranges, sizeof(new_array.ranges[0]) * new_array.nr_ranges); - ABORT_ON(!new_array.ranges); + if (!new_array.ranges) + YYNOMEM; memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges, $3.nr_ranges * sizeof(new_array.ranges[0])); free($3.ranges); @@ -969,7 +989,8 @@ PE_VALUE array.nr_ranges = 1; array.ranges = malloc(sizeof(array.ranges[0])); - ABORT_ON(!array.ranges); + if (!array.ranges) + YYNOMEM; array.ranges[0].start = $1; array.ranges[0].length = 1; $$ = array; @@ -982,7 +1003,8 @@ PE_VALUE PE_ARRAY_RANGE PE_VALUE ABORT_ON($3 < $1); array.nr_ranges = 1; array.ranges = malloc(sizeof(array.ranges[0])); - ABORT_ON(!array.ranges); + if (!array.ranges) + YYNOMEM; array.ranges[0].start = $1; array.ranges[0].length = $3 - $1 + 1; $$ = array; -- 2.40.1
