Re: [PATCH] objtool: Fix stack overflow in validate_branch()

[Ingo Molnar]

* Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:

> On Wed, Dec 03, 2025 at 10:54:19AM -0800, Josh Poimboeuf wrote:
> > Keep in mind this is a worst case function for objtool: KASAN with tons
> > of memory accesses.  The vast majority of functions won't come anywhere
> > near that level of recursion.
> 
> And BTW, supporting that further, the max recursion depth on vmlinux.o
> on a defconfig kernel is showing 162.

That's mostly immaterial - 'make allmodconfig' is not some esoteric
test, it's one of the most common testing methods by developers and CI
projects ... For example I use allmodconfig builds for every commit I
write or apply.

Thanks,

	Ingo