20-Oct-2026 18:02:02: building syzkaller on c0460fcde7051a8d07612ec2a17718d3c3019bb0... 20-Oct-2026 18:04:15: fetching kernel... 20-Oct-2026 18:04:17: checked out kernel commit 792fbe1537d8daeca9bd1917e84078b5432aadc2 ("Linux 5.15.223", 2026-10-15 14:14:32 +0200 +0200) 20-Oct-2026 18:04:17: cleaning kernel... 20-Oct-2026 18:04:18: building kernel... 20-Oct-2026 18:11:01: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 20-Oct-2026 18:11:01: testing patch... 20-Oct-2026 18:23:38: reproduced crash: KASAN: null-ptr-deref Read in do_journal_end