4.19-stable review patch. If anyone has any objections, please let me know.
------------------
[ Upstream commit 6db2983cd8064808141ccefd75218f5b4345ffae ]
When checking for symbols with excessively long names,
account for null terminating character.
Fixes: f3462aa952cf ("Kbuild: Handle longer symbols in kallsyms.c")
Signed-off-by: Eugene Loh <eugene.loh@xxxxxxxxxx>
Acked-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
scripts/kallsyms.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index a9186a98a37d..0c9c54b57515 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -120,8 +120,8 @@ static int read_symbol(FILE *in, struct sym_entry *s)
fprintf(stderr, "Read error or end of file.\n");
return -1;
}
- if (strlen(sym) > KSYM_NAME_LEN) {
- fprintf(stderr, "Symbol %s too long for kallsyms (%zu vs %d).\n"
+ if (strlen(sym) >= KSYM_NAME_LEN) {
+ fprintf(stderr, "Symbol %s too long for kallsyms (%zu >= %d).\n"
"Please increase KSYM_NAME_LEN both in kernel and kallsyms.c\n",
sym, strlen(sym), KSYM_NAME_LEN);
return -1;
--
2.19.1
