26-Oct-2026 01:13:42: building syzkaller on e12e5ba469cd05aa76330394486b1f2a24dd4ef6... 26-Oct-2026 01:19:17: fetching kernel... 26-Oct-2026 01:19:21: checked out kernel commit 7076f684d5132e6a6145e1da2fa74771ecd052e5 ("net/sched: etf: initialise the sock_exterr_skb before filling it", 2026-10-23 17:04:27 -0700 -0700) 26-Oct-2026 01:19:21: cleaning kernel... 26-Oct-2026 01:19:25: building kernel... 26-Oct-2026 01:32:37: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 26-Oct-2026 01:32:37: testing patch... 26-Oct-2026 01:41:01: reproduced crash: INFO: rcu detected stall in validate_mm