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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:40:19 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:40:19 +0000 |
commit | 9f0fc191371843c4fc000a226b0a26b6c059aacd (patch) | |
tree | 35f8be3ef04506ac891ad001e8c41e535ae8d01d /tools/objtool/elf.c | |
parent | Releasing progress-linux version 6.6.15-2~progress7.99u1. (diff) | |
download | linux-9f0fc191371843c4fc000a226b0a26b6c059aacd.tar.xz linux-9f0fc191371843c4fc000a226b0a26b6c059aacd.zip |
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/objtool/elf.c')
-rw-r--r-- | tools/objtool/elf.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c index 081befa467..3d27983dc9 100644 --- a/tools/objtool/elf.c +++ b/tools/objtool/elf.c @@ -22,8 +22,6 @@ #include <objtool/elf.h> #include <objtool/warn.h> -#define MAX_NAME_LEN 128 - static inline u32 str_hash(const char *str) { return jhash(str, strlen(str), 0); @@ -515,7 +513,7 @@ static int read_symbols(struct elf *elf) /* Create parent/child links for any cold subfunctions */ list_for_each_entry(sec, &elf->sections, list) { sec_for_each_sym(sec, sym) { - char pname[MAX_NAME_LEN + 1]; + char *pname; size_t pnamelen; if (sym->type != STT_FUNC) continue; @@ -531,15 +529,15 @@ static int read_symbols(struct elf *elf) continue; pnamelen = coldstr - sym->name; - if (pnamelen > MAX_NAME_LEN) { - WARN("%s(): parent function name exceeds maximum length of %d characters", - sym->name, MAX_NAME_LEN); + pname = strndup(sym->name, pnamelen); + if (!pname) { + WARN("%s(): failed to allocate memory", + sym->name); return -1; } - strncpy(pname, sym->name, pnamelen); - pname[pnamelen] = '\0'; pfunc = find_symbol_by_name(elf, pname); + free(pname); if (!pfunc) { WARN("%s(): can't find parent function", |