On 28/07/2020 11:43, Daniel Borkmann wrote: > On 7/27/20 11:39 PM, Yonghong Song wrote: >> On 7/27/20 10:54 AM, Colin King wrote: >>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx> >>> >>> There are a couple of arguments of the boolean flag zero_size_allowed >>> and the char pointer buf_info when calling to function >>> check_buffer_access >>> that are swapped by mistake. Fix these by swapping them to correct >>> the argument ordering. >>> >>> Addresses-Coverity: ("Array compared to 0") >>> Fixes: afbf21dce668 ("bpf: Support readonly/readwrite buffers in >>> verifier") >>> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx> >> >> Thanks for the fix! >> Acked-by: Yonghong Song <yhs@xxxxxx> > > Sigh, thanks for the fix Colin, applied! Yonghong, could you follow-up with > BPF selftest test cases that exercise these paths? Thx No problem. Thanks to static analysis, it catches a lot of subtle bugs like this. Colin