20-Oct-2026 17:46:47: building syzkaller on a4ed0f4f0cf942f75e0d5bb54238189b2f5180d9... 20-Oct-2026 17:48:40: fetching kernel... 20-Oct-2026 17:48:42: checked out kernel commit 792fbe1537d8daeca9bd1917e84078b5432aadc2 ("Linux 5.15.223", 2026-10-15 14:14:32 +0200 +0200) 20-Oct-2026 17:48:42: cleaning kernel... 20-Oct-2026 17:48:43: building kernel... 20-Oct-2026 17:55:24: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 20-Oct-2026 17:55:24: testing patch... 20-Oct-2026 18:01:51: reproduced crash: KASAN: null-ptr-deref Read in do_journal_end