06-Oct-2026 17:54:37: building syzkaller on 2c961e87c4283949ab543035190edfd8c1d70939... 06-Oct-2026 17:55:08: fetching kernel... 06-Oct-2026 17:55:10: checked out kernel commit a051a4bf909f76f470ccb3761ee0cf6e2395616e ("Linux 5.15.222", 2026-10-03 12:26:49 +0200 +0200) 06-Oct-2026 17:55:10: cleaning kernel... 06-Oct-2026 17:55:11: building kernel... 06-Oct-2026 18:01:18: 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 18:01:18: testing patch... 06-Oct-2026 18:07:47: reproduced crash: KASAN: use-after-free Read in ax25_fillin_cb