From 29510dd81e3a5e96151afdb0702863cbfd640766 Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Fri, 22 Jun 2018 18:58:59 -0700 Subject: [PATCH] check for size before using strncpy ensures that size is never execeding the string length that execPath can hold Fixes error: '__builtin___strncpy_chk' specified size between 18446744071562067968 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Werror=stringop-overflow=] Upstream-Status: Pending Signed-off-by: Khem Raj --- src/imm/immnd/immnd_proc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/imm/immnd/immnd_proc.c b/src/imm/immnd/immnd_proc.c index 015932a..c8f115e 100644 --- a/src/imm/immnd/immnd_proc.c +++ b/src/imm/immnd/immnd_proc.c @@ -1902,6 +1902,10 @@ static int immnd_forkPbe(IMMND_CB *cb) LOG_ER("Pathname too long: %u max is 1023", newLen); return -1; } + if (execDirLen > 1023 || execDirLen < 0) { + LOG_ER("Execdir name too long: %u max is 1023", execDirLen); + return -1; + } strncpy(execPath, cb->mProgName, execDirLen); execPath[execDirLen] = 0;