05-Nov-2026 13:15:47: building syzkaller on 4dc70884d20c8ad69fe1cc250ee95c52be025440... 05-Nov-2026 13:16:04: fetching kernel... 05-Nov-2026 13:16:06: 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 13:16:06: cleaning kernel... 05-Nov-2026 13:16:07: building kernel... 05-Nov-2026 13:19:08: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 05-Nov-2026 13:19:08: testing patch... 05-Nov-2026 13:22:17: reproduced crash: KASAN: use-after-free Read in ext4_htree_fill_tree