elfcorehdr_alloc() allocates a memory chunk for elfcorehdr_addr with
kzalloc(). If is_vmcore_usable() returns false, elfcorehdr_addr is a
predefined value. If parse_crash_elf_headers() gets some error and
returns a negetive value, the elfcorehdr_addr should be released with
elfcorehdr_free().
Fix
Boris,
Thanks for the feedback! Inline responses below.
eric
On 9/12/22 01:52, Borislav Petkov wrote:
On Fri, Sep 09, 2022 at 05:05:09PM -0400, Eric DeVolder wrote:
For x86_64, when CPU or memory is hot un/plugged, the crash
elfcorehdr, which describes the CPUs and memory in the system,
must
On 09/13/22 at 07:35am, Matthew Wilcox wrote:
> On Tue, Sep 13, 2022 at 02:25:01PM +0800, Jianglei Nie wrote:
> > }
> > - elfcorehdr_free(elfcorehdr_addr);
> > elfcorehdr_addr = ELFCORE_ADDR_ERR;
> >
> > proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, _proc_ops);
> > if
On Tue, Sep 13, 2022 at 02:25:01PM +0800, Jianglei Nie wrote:
> }
> - elfcorehdr_free(elfcorehdr_addr);
> elfcorehdr_addr = ELFCORE_ADDR_ERR;
>
> proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, _proc_ops);
> if (proc_vmcore)
> proc_vmcore->size =
elfcorehdr_alloc() allocates a memory chunk for elfcorehdr_addr with
kzalloc(). If is_vmcore_usable() returns false, elfcorehdr_addr is a
predefined value. If parse_crash_elf_headers() gets some error and
returns a negetive value, the elfcorehdr_addr should be released with
elfcorehdr_free().
Fix
