Re: [PATCH v4 2/4] Fix alignment when reading core notes

Mon, 23 Dec 2019 08:18:30 -0800 

In article <[email protected]>,
MichaÅ  Górny  <[email protected]> wrote:
>Both desc and note header needs to be aligned.  Therefore, we need
>to realign after skipping past desc as well.

Should probably be done with a standard alignment macro?

christos

>---
> tests/lib/libc/sys/t_ptrace_wait.c | 3 +++
> 1 file changed, 3 insertions(+)
>
>diff --git a/tests/lib/libc/sys/t_ptrace_wait.c
>b/tests/lib/libc/sys/t_ptrace_wait.c
>index 6fc43572e015..1097a351fd92 100644
>--- a/tests/lib/libc/sys/t_ptrace_wait.c
>+++ b/tests/lib/libc/sys/t_ptrace_wait.c
>@@ -7603,6 +7603,9 @@ static ssize_t core_find_note(const char *core_path,
>                       }
> 
>                       offset += note_hdr.n_descsz;
>+                      /* fix to alignment */
>+                      offset = ((offset + core_hdr.p_align - 1)
>+                          / core_hdr.p_align) * core_hdr.p_align;
>               }
>       }
> 
>-- 
>2.24.1
>
>

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