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SubjectRe: perf: fuzzer causes stack going in wrong direction warnings
On Wed, 2 May 2018, Josh Poimboeuf wrote:

> After looking closer, I realized that at least some of these warnings
> are due to bad unwind hints in the entry code. Can you try this patch
> instead of the last one?

with just this new patch applied I still get warnings such as this:

[ 469.436218] WARNING: can't dereference registers at 00000000886d9235 for ip apic_timer_interrupt+0xa/0x20
[ 790.499655] WARNING: stack recursion on stack type 2
[ 790.907092] WARNING: stack going in the wrong direction? ip=native_sched_clock+0x9/0x90
[ 3632.876656] WARNING: can't dereference iret registers at 000000001754e5aa for ip nmi_restore+0x16/0x2b
[ 3650.161250] WARNING: missing regs for base reg R10 at ip native_sched_clock+0xd/0x90


Vince

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