20-Oct-2026 18:24:00: building syzkaller on 807a3b61ca22f8988561c180eb47268ea6e244db... 20-Oct-2026 18:27:11: fetching kernel... 20-Oct-2026 18:27:13: checked out kernel commit 792fbe1537d8daeca9bd1917e84078b5432aadc2 ("Linux 5.15.223", 2026-10-15 14:14:32 +0200 +0200) 20-Oct-2026 18:27:13: cleaning kernel... 20-Oct-2026 18:27:14: building kernel... 20-Oct-2026 18:33:54: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 20-Oct-2026 18:33:54: testing patch... 20-Oct-2026 18:41:30: reproduced crash: KASAN: null-ptr-deref Read in do_journal_end