04-Oct-2026 01:24:03: building syzkaller on 38f7f0d1b72602afb2b8328c83c6eed1f20a5336... 04-Oct-2026 01:24:24: fetching kernel... 04-Oct-2026 01:24:26: checked out kernel commit a74306e2e676f9775457366fc047a660fbf02f26 ("Merge tag 'clk-fixes-for-linus-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux", 2026-10-03 10:57:47 -0700 -0700) 04-Oct-2026 01:24:26: cleaning kernel... 04-Oct-2026 01:24:27: building kernel... 04-Oct-2026 01:30:20: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 04-Oct-2026 01:30:20: testing patch... 04-Oct-2026 01:34:35: reproduced crash: KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic