04-Oct-2026 09:50:59: building syzkaller on 2377cd3dcd3c2e96dc5bd3c92c152122cdd05d7a... 04-Oct-2026 10:01:34: fetching kernel... 04-Oct-2026 10:01:37: checked out kernel commit f0406245cb9855e6318335a8a223551354291a46 ("Add linux-next specific files for 20261002", 2026-10-03 02:19:50 +0200 +0200) 04-Oct-2026 10:01:37: cleaning kernel... 04-Oct-2026 10:12:29: building kernel... 04-Oct-2026 10:26:13: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 04-Oct-2026 10:26:13: testing patch... 04-Oct-2026 10:33:45: reproduced crash: KASAN: slab-use-after-free Read in filp_flush