02-Sep-2026 13:02:59: building syzkaller on 6e7b5511445a3ccf42ec9b77a5844fa4e1f4fcec... 02-Sep-2026 13:03:32: fetching kernel... 02-Sep-2026 13:03:35: checked out kernel commit 89a312991dc6e638a36adc43ccb91dbc25504c04 ("Merge tag 'cifs-fixes-7.3-rc2' of https://git.manguebit.org/linux", 2026-09-01 13:37:14 -0700 -0700) 02-Sep-2026 13:03:35: cleaning kernel... 02-Sep-2026 13:03:37: building kernel... 02-Sep-2026 13:15:06: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 02-Sep-2026 13:15:06: testing patch... 02-Sep-2026 13:17:36: aggregating test results failed: lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x302000) [ 88.065102][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 88.069572][ T1025] ata1: failed to read log page 10h (errno=-5) [ 88.073507][ T1025] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 88.077055][ T1025] ata1.00: irq_stat 0x41000000 [ 88.079332][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.082182][ T1025] ata1.00: cmd 61/10:70:26:59:04/18:00:00:00:00/40 tag 14 ncq dma 3153920 ou [ 88.082182][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.090069][ T1025] ata1.00: status: { DRDY } [ 88.093662][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.096590][ T1025] ata1.00: cmd 61/00:78:36:71:04/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou [ 88.096590][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.104327][ T1025] ata1.00: status: { DRDY } [ 88.111805][ T1025] ata1.00: configured for UDMA/100 [ 88.114786][ T1025] ata1: EH complete [ 91.909448][ T10] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:43158' (ED25519) to the list of known hosts. qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 93.244406][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 93.247404][ T1025] ata1: failed to read log page 10h (errno=-5) [ 93.250920][ T1025] ata1.00: exception Emask 0x1 SAct 0x70 SErr 0x0 action 0x0 [ 93.255759][ T1025] ata1.00: irq_stat 0x41000000 [ 93.258228][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 93.261233][ T1025] ata1.00: cmd 61/00:20:36:31:05/20:00:00:00:00/40 tag 4 ncq dma 4194304 ou [ 93.261233][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 93.261300][ T1025] ata1.00: status: { DRDY } [ 93.261333][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 93.261360][ T1025] ata1.00: cmd 61/00:28:36:51:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 93.261360][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 93.261407][ T1025] ata1.00: status: { DRDY } [ 93.261437][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 93.261462][ T1025] ata1.00: cmd 61/c0:30:36:71:05/02:00:00:00:00/40 tag 6 ncq dma 360448 out [ 93.261462][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 93.295384][ T1025] ata1.00: status: { DRDY } [ 93.299400][ T1025] ata1.00: configured for UDMA/100 qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 93.303588][ T1025] ata1: EH complete 2026/09/02 13:16:44 parsed 1 programs [ 97.758592][ T5291] cgroup: Unknown subsys name 'net' [ 97.818396][ T5291] cgroup: Unknown subsys name 'cpuset' [ 97.825410][ T5291] cgroup: Unknown subsys name 'rlimit' [ 123.923179][ T1025] ata1.00: NCQ disabled due to excessive errors [ 123.925867][ T1025] ata1.00: exception Emask 0x0 SAct 0x800 SErr 0x0 action 0x6 frozen [ 123.929436][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 123.932193][ T1025] ata1.00: cmd 61/00:58:36:51:05/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 123.932193][ T1025] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 123.939515][ T1025] ata1.00: status: { DRDY } [ 123.939581][ T1025] ata1: hard resetting link [ 124.264120][ T1025] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 124.269090][ T1025] ata1.00: configured for UDMA/100 [ 124.272141][ T1025] ata1: EH complete 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.