10-Nov-2026 03:50:20: building syzkaller on 9882047a78fc9ecc64da219b2fb28f2708da44af... 10-Nov-2026 03:52:06: fetching kernel... 10-Nov-2026 03:52:08: checked out kernel commit f61a392235e085addf6e809b78c6e6114320e6e7 ("Merge 5.10.272 into android13-5.10-lts", 2026-10-25 03:20:35 -0700 -0700) 10-Nov-2026 03:52:08: cleaning kernel... 10-Nov-2026 03:52:10: building kernel... 10-Nov-2026 03:54:47: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 10-Nov-2026 03:54:47: testing patch... 10-Nov-2026 04:01:13: reproduced crash: kernel BUG in ext4_flex_group_add