08-Oct-2026 22:13:02: building syzkaller on b2734a597288cbabb88a4a79b3cde12822ba5a9b...
08-Oct-2026 22:13:33: fetching kernel...
08-Oct-2026 22:13:35: checked out kernel commit 6c377d19d4a5116d9bec5203aa3c6c11523e7898 ("Merge tag 'ext4_for_linus-7.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4", 2026-10-08 17:37:49 +0200 +0200)
08-Oct-2026 22:13:35: cleaning kernel...
08-Oct-2026 22:13:36: building kernel...
08-Oct-2026 22:19:30: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
08-Oct-2026 22:19:30: testing patch...
08-Oct-2026 22:23:48: reproduced crash: KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic