28-Oct-2026 07:45:59: building syzkaller on 280ea308c321115445df610f1a75b05bbadca5f3... 28-Oct-2026 07:46:38: fetching kernel... 28-Oct-2026 07:46:42: checked out kernel commit 65ba8f34ec886ec72b2c07ddc8cf3d815c32869d ("Merge tag 'xtensa-20261027' of https://github.com/jcmvbkbc/linux-xtensa", 2026-10-27 15:09:02 -1000 -1000) 28-Oct-2026 07:46:42: cleaning kernel... 28-Oct-2026 07:47:09: building kernel... 28-Oct-2026 08:00:12: kernel built successfully with compiler gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 28-Oct-2026 08:00:12: testing patch... 28-Oct-2026 08:10:09: reproduced crash: INFO: rcu detected stall in gc_worker