20-Aug-2026 09:21:45: building syzkaller on 9a514c2f136aa42ebe9212c4ab1a526cfbe933c3... 20-Aug-2026 09:22:26: fetching kernel... 20-Aug-2026 09:22:29: checked out kernel commit 21d6ac051080e3d5aeaeb3de150ccb14d1a81f06 ("Merge branch 'for-next/core' into for-kernelci", 2026-08-12 11:11:27 +0000 UTC) 20-Aug-2026 09:22:29: cleaning kernel... 20-Aug-2026 09:22:31: building kernel... 20-Aug-2026 09:31:07: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 20-Aug-2026 09:31:07: testing patch... 20-Aug-2026 09:41:56: reproduced crash: KASAN: null-ptr-deref Read in l2cap_chan_hold_unless_zero