06-Oct-2026 18:29:36: building syzkaller on 38c8e24669882aabb2ec15315fbe22eb28592b44... 06-Oct-2026 18:29:59: fetching kernel... 06-Oct-2026 18:30:01: checked out kernel commit a051a4bf909f76f470ccb3761ee0cf6e2395616e ("Linux 5.15.222", 2026-10-03 12:26:49 +0200 +0200) 06-Oct-2026 18:30:01: cleaning kernel... 06-Oct-2026 18:30:02: building kernel... 06-Oct-2026 18:36:07: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 06-Oct-2026 18:36:07: testing patch... 06-Oct-2026 18:42:56: reproduced crash: KASAN: use-after-free Read in ax25_fillin_cb