05-Nov-2026 12:19:49: building syzkaller on 6e87cfa299c98d36e79e8b8718a4126899a3ba2f... 05-Nov-2026 12:21:18: fetching kernel... 05-Nov-2026 12:21:20: checked out kernel commit 2316d138a3c3f2ec12cfb4b2f09ca9c95aa92ce5 ("Merge 5.15.223 into android13-5.15-lts", 2026-10-26 10:58:03 +0000 UTC) 05-Nov-2026 12:21:20: cleaning kernel... 05-Nov-2026 12:21:21: building kernel... 05-Nov-2026 12:24:12: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 05-Nov-2026 12:24:12: testing patch... 05-Nov-2026 12:28:41: reproduced crash: KASAN: use-after-free Read in ext4_htree_fill_tree