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Fix format_flt_show_trace_record writing is out of bounds

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obdev
2023-02-06 17:39:26 +08:00
committed by ob-robot
parent 077e5446b3
commit 131465386d
1 changed files with 2 additions and 1 deletions
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3
src/observer/virtual_table/ob_virtual_show_trace.cpp
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@ -489,7 +489,8 @@ int ObVirtualShowTrace::format_flt_show_trace_record(sql::ObFLTShowTraceRec &rec
const char *color_end = "\033[0m";
char* name_buf = NULL;
const sql::ObFLTShowTraceRec::trace_formatter::NameLeftPadding &pad = rec.formatter_;
int64_t len = pad.level_*8 + rec.data_.span_name_.length();
int pad_len = max(sizeof("└── "), max(sizeof("├── "), max(sizeof("│ "), sizeof(" "))));
int64_t len = pad.level_*pad_len + rec.data_.span_name_.length();
name_buf = static_cast<char *>(alloc_.alloc(len));
if (NULL == name_buf) {
ret = OB_ALLOCATE_MEMORY_FAILED;