Re: [PATCH 6.18 000/333] 6.18.19-rc1 review

Greg Kroah-Hartman
2026-03-18T11:53:55Z

On Tue, Mar 17, 2026 at 10:03:40PM +0100, Peter Schneider wrote:
> Am 17.03.2026 um 17:30 schrieb Greg Kroah-Hartman:
> > This is the start of the stable review cycle for the 6.18.19 release.
> > There are 333 patches in this series, all will be posted as a response
> > to this one. If anyone has any issues with these being applied, please
> > let me know.
>
>
> Same build failure as in 6.19.9-rc1 on my 2-socket Ivy Bridge Xeon E5-2697 v2 server:
>
>   LD      vmlinux.unstripped
>   BTFIDS  vmlinux.unstripped
> WARN: resolve_btfids: unresolved symbol kthread_exit
>
> and git revert 0507972c8244d6454cbfd242157e86bb01971bf2 (kthread:
> consolidate kthread exit paths to prevent use-after-free) makes the build
> error go away, but may keep the original bug the patch intended to fix?!
> Wentao Guan wrote in [1] that an additional backport is needed to make this
> patch work, but I didn't test this...
>
> Tested-by: Peter Schneider <pschneider1968@googlemail.com>
>
>
> [1] https://lore.kernel.org/stable/20260317175812.707723-1-guanwentao@uniontech.com/

I've queued up a fix for this and will push out a -rc2 soon.

thanks,

greg k-h