| From | Andi Kleen <> | Subject | [PATCH 70/74] Kbuild, lto: Handle longer symbols in kallsyms.c | Date | Sat, 18 Aug 2012 19:57:06 -0700 |
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From: Andi Kleen <ak@linux.intel.com>
Also warn for too long symbols
Signed-off-by: Andi Kleen <ak@linux.intel.com> --- scripts/kallsyms.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index 487ac6f..acde016 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -27,7 +27,7 @@ #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0])) #endif -#define KSYM_NAME_LEN 128 +#define KSYM_NAME_LEN 256 struct sym_entry { unsigned long long addr; @@ -111,6 +111,12 @@ static int read_symbol(FILE *in, struct sym_entry *s) fprintf(stderr, "Read error or end of file.\n"); return -1; } + if (strlen(str) > KSYM_NAME_LEN) { + fprintf(stderr, "Symbol %s too long for kallsyms.\n" + "Please increae KSYM_NAME_LEN both in kernel and kallsyms.c", + str); + return -1; + } sym = str; /* skip prefix char */ -- 1.7.7.6
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