On 10/29/21 10:22 AM, Alexei Starovoitov wrote:
From: Alexei Starovoitov <ast@xxxxxxxxxx> ./test_progs-no_alu32 -vv -t twfw Before the fix:
It is not clear which "fix" it is. I believe the fix is this one: https://lore.kernel.org/bpf/20211029163102.80290-1-alexei.starovoitov@xxxxxxxxx/ Put this patch and the "fix" patch in the series will make it clear which kernel patch fixed the issue.
19: (25) if r1 > 0x3f goto pc+6 R1_w=inv(id=0,umax_value=63,var_off=(0x0; 0xff),s32_max_value=255,u32_max_value=255) and eventually: invalid access to map value, value_size=8 off=7 size=8 R6 max value is outside of the allowed memory range libbpf: failed to load object 'no_alu32/twfw.o' After the fix: 19: (25) if r1 > 0x3f goto pc+6 R1_w=inv(id=0,umax_value=63,var_off=(0x0; 0x3f)) verif_twfw:OK Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx>
Acked-by: Yonghong Song <yhs@xxxxxx>
