29-Oct-2026 03:13:25: building syzkaller on 197909be84fb372381af6fab3a7be03a06f9f7d1... 29-Oct-2026 04:33:32: fetching kernel... 29-Oct-2026 04:33:35: checked out kernel commit 792fbe1537d8daeca9bd1917e84078b5432aadc2 ("Linux 5.15.223", 2026-10-15 14:14:32 +0200 +0200) 29-Oct-2026 04:33:35: cleaning kernel... 29-Oct-2026 04:33:57: building kernel... 29-Oct-2026 04:40:05: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 29-Oct-2026 04:40:05: testing patch... 29-Oct-2026 04:51:00: reproduced crash: WARNING in vkms_get_vblank_timestamp