29-Sep-2026 04:23:55: building syzkaller on 1e62d1982527c3b4e18df04d61f2560fa1f434cc... 29-Sep-2026 04:28:27: fetching kernel... 29-Sep-2026 04:28:30: checked out kernel commit 6375e61c01e93e35ee7acd336a689ac1fae4b509 ("Add linux-next specific files for 20260928", 2026-09-28 15:12:54 +0100 +0100) 29-Sep-2026 04:28:30: cleaning kernel... 29-Sep-2026 04:28:32: building kernel... 29-Sep-2026 04:40:51: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 29-Sep-2026 04:40:51: testing patch... 29-Sep-2026 04:52:08: reproduced crash: KASAN: use-after-free Read in copy_folio_from_iter_atomic