14-Sep-2026 04:37:21: building syzkaller on 6b8752f20c06eee857545047ab920e63322bf4c8... 14-Sep-2026 04:37:54: fetching kernel... 14-Sep-2026 04:37:57: checked out kernel commit 704340f1cd0dcef829eb62f5b48ae95a2ce17bdf ("Merge tag 'x86_urgent_for_7.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip", 2026-09-13 17:50:28 -0700 -0700) 14-Sep-2026 04:37:57: cleaning kernel... 14-Sep-2026 04:37:59: building kernel... 14-Sep-2026 04:49:18: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 14-Sep-2026 04:49:18: testing patch... 14-Sep-2026 04:52:07: aggregating test results failed: lost connection to test machine qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) Warning: Permanently added '[localhost]:33948' (ED25519) to the list of known hosts. 2026/09/14 04:51:19 parsed 1 programs [ 118.882996][ T5294] cgroup: Unknown subsys name 'net' [ 118.939032][ T5294] cgroup: Unknown subsys name 'cpuset' [ 118.942885][ T5294] cgroup: Unknown subsys name 'rlimit' [ 138.036140][ T1332] ieee802154 phy0 wpan0: encryption failed: -22 [ 138.036244][ T1332] ieee802154 phy1 wpan1: encryption failed: -22 [ 140.613554][ T1023] ata1.00: exception Emask 0x0 SAct 0x200000 SErr 0x0 action 0x6 frozen [ 140.613582][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 140.613590][ T1023] ata1.00: cmd 61/00:a8:36:c1:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 140.613590][ T1023] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 140.613618][ T1023] ata1.00: status: { DRDY } [ 140.613668][ T1023] ata1: hard resetting link qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1d0000) [ 140.935794][ T1023] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 140.936890][ T1023] ata1.00: configured for UDMA/100 [ 140.937176][ T1023] ata1: EH complete [ 140.965108][ T1023] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 140.965126][ T1023] ata1: failed to read log page 10h (errno=-5) [ 140.965137][ T1023] ata1.00: NCQ disabled due to excessive errors [ 140.965145][ T1023] ata1.00: exception Emask 0x1 SAct 0x18000000 SErr 0x0 action 0x0 [ 140.965156][ T1023] ata1.00: irq_stat 0x41000000 [ 140.965167][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 140.965175][ T1023] ata1.00: cmd 61/80:d8:36:e1:04/0e:00:00:00:00/40 tag 27 ncq dma 1900544 ou [ 140.965175][ T1023] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 140.965202][ T1023] ata1.00: status: { DRDY } qemu-system-x86_64: hw/ide/core.c:925: ide_dma_cb: Assertion `prep_size >= 0 && prep_size <= n * 512' failed. Connection to localhost closed by remote host.