Re: [PATCH v3 bpf 0/3] fix BTF verification size resolution

2019-07-15 Thread Daniel Borkmann
On 7/12/19 7:25 PM, Andrii Nakryiko wrote: > BTF size resolution logic isn't always resolving type size correctly, leading > to erroneous map creation failures due to value size mismatch. > > This patch set: > 1. fixes the issue (patch #1); > 2. adds tests for trickier cases (patch #2); > 3. and c

Re: [PATCH v3 bpf 0/3] fix BTF verification size resolution

2019-07-12 Thread Yonghong Song
On 7/12/19 10:25 AM, Andrii Nakryiko wrote: > BTF size resolution logic isn't always resolving type size correctly, leading > to erroneous map creation failures due to value size mismatch. > > This patch set: > 1. fixes the issue (patch #1); > 2. adds tests for trickier cases (patch #2); > 3. an

[PATCH v3 bpf 0/3] fix BTF verification size resolution

2019-07-12 Thread Andrii Nakryiko
BTF size resolution logic isn't always resolving type size correctly, leading to erroneous map creation failures due to value size mismatch. This patch set: 1. fixes the issue (patch #1); 2. adds tests for trickier cases (patch #2); 3. and converts few test cases utilizing BTF-defined maps, that p