On Thu, 10 Jan 2019 at 20:56, Daniel Borkmann <[email protected]> wrote: > > On 01/08/2019 11:20 PM, Song Liu wrote: > > As Naresh reported, test_stacktrace_build_id() causes panic on i386 and > > arm32 systems. This is caused by page_address() returns NULL in certain > > cases. > > > > This patch fixes this error by using kmap_atomic/kunmap_atomic instead > > of page_address. > > > > Fixes: 615755a77b24 (" bpf: extend stackmap to save binary_build_id+offset > > instead of address") > > Reported-by: Naresh Kamboju <[email protected]> > > Signed-off-by: Song Liu <[email protected]>
Tested-by: Naresh Kamboju <[email protected]> > > Looks correct to me, and in this case as per API the assumption is allowed > that k[un]map_atomic() won't fail. I've applied it to bpf, if Naresh still > replies with a Tested-by in time, I'll add it as well to the commit. This patch fixes the problem on Linux kernel 5.0.0-rc2. Thank you. Best regards Naresh Kamboju
