On Tue, Jul 5, 2022 at 10:10 AM HAGIO KAZUHITO(萩尾 一仁) <k-hagio-ab@xxxxxxx> wrote:
On 2022/07/04 17:40, Qianli Zhao wrote:
> From: Qianli Zhao <qianli.zhao@xxxxxxxxxx>
>
> Setting st->_stext_vmlinux to UNINITIALIZED to search for "_stext"
> from the vmlinux. In the scenario where kaslr is disabled and
> without vmcore file, will get the wrong MODULES/VMALLOC ranges,
Thanks for the update, probably s/vmcore file/vmcoreinfo/ is better,
but we will fix it.
Acked-by: Kazuhito Hagio <k-hagio-ab@xxxxxxx>
Lianbo, I think we can merge this first for the ramdump issue, but
Sounds good, Kazu. For the v2: ACK.
is it better to look into the issue you found before merging this?
Let's leave it there for now, and dig into the details later.
Thanks.
Lianbo
Thanks,
Kazu
> cause parsing raw dumpfile failure
>
> Signed-off-by: Qianli Zhao <qianli.zhao@xxxxxxxxxx>
> ---
> v2: Update patch log and add some comment in code.
>
> ---
> arm64.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arm64.c b/arm64.c
> index 0f615cf..5d306cd 100644
> --- a/arm64.c
> +++ b/arm64.c
> @@ -149,6 +149,15 @@ arm64_init(int when)
>
> ms = machdep->machspec;
>
> + /*
> + * The st->_stext_vmlinux is needed in arm64_init(PRE_GDB) when a
> + * dumpfile does not have vmcoreinfo and we use -m vabits_actual
> + * option, e.g. a raw RAM dumpfile.
> + *
> + */
> + if (ms->VA_BITS_ACTUAL)
> + st->_stext_vmlinux = UNINITIALIZED;
> +
> if (!ms->kimage_voffset && STREQ(pc->live_memsrc, "/dev/crash"))
> ioctl(pc->mfd, DEV_CRASH_ARCH_DATA, &ms->kimage_voffset);
>
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