22-Oct-2026 02:24:09: building syzkaller on d6526ea3e6ad9081c902859bbb80f9f840377cb4... 22-Oct-2026 02:58:48: fetching kernel... 22-Oct-2026 02:58:51: checked out kernel commit 792fbe1537d8daeca9bd1917e84078b5432aadc2 ("Linux 5.15.223", 2026-10-15 14:14:32 +0200 +0200) 22-Oct-2026 02:58:51: cleaning kernel... 22-Oct-2026 03:05:29: building kernel... 22-Oct-2026 03:11:51: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 22-Oct-2026 03:11:51: testing patch... 22-Oct-2026 03:25:55: reproduced crash: WARNING in udf_free_blocks