Re: [PATCH] linux-user/elfload: Fix pr_pid values in core files

[Richard Henderson]

On 8/2/24 06:23, Ilya Leoshkevich wrote:
> Analyzing qemu-produced core dumps of multi-threaded apps runs into:
>
>      (gdb) info threads
>        [...]
>        21   Thread 0x3ff83cc0740 (LWP 9295) warning: Couldn't find 
> general-purpose registers in core file.
>      <unavailable> in ?? ()
>
> The reason is that all pr_pid values are the same, because the same
> TaskState is used for all CPUs when generating NT_PRSTATUS notes.
>
> Fix by using TaskStates associated with individual CPUs.
>
> Cc:qemu-stable@nongnu.org
> Fixes: 243c47066253 ("linux-user/elfload: Write corefile elf header in one 
> block")
> Signed-off-by: Ilya Leoshkevich<iii@linux.ibm.com>
> ---
>   linux-user/elfload.c | 8 +++-----
>   1 file changed, 3 insertions(+), 5 deletions(-)

Oops,

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~