Let the krealloc_array() copy the original data and check for a multiplication overflow. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- kernel/bpf/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 466c2deeecff..778775bdbb2e 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -849,7 +849,7 @@ int bpf_jit_add_poke_descriptor(struct bpf_prog *prog, return -EINVAL; } - tab = krealloc(tab, size * sizeof(*poke), GFP_KERNEL); + tab = krealloc_array(tab, size, sizeof(*poke), GFP_KERNEL); if (!tab) return -ENOMEM; -- 2.43.0.rc1.1336.g36b5255a03ac
