syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
Warning: Permanently added '[localhost]:49866' (ED25519) to the list of known hosts.
2026/03/28 04:08:21 parsed 1 programs
[  296.937134][ T5354] cgroup: Unknown subsys name 'net'
[  296.999138][ T5354] cgroup: Unknown subsys name 'cpuset'
[  297.022178][ T5354] cgroup: Unknown subsys name 'rlimit'
[  343.294010][ T1012] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen
[  343.297864][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED
[  343.302374][ T1012] ata1.00: cmd 61/00:70:36:01:05/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou
[  343.302374][ T1012]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  343.322170][ T1012] ata1.00: status: { DRDY }
[  343.332282][ T1012] ata1: hard resetting link
[  343.665870][ T1012] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  343.671047][ T1012] ata1.00: configured for UDMA/100
[  343.674734][ T1012] ata1: EH complete
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
[  343.782436][ T1012] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  343.808820][ T1012] ata1: failed to read log page 10h (errno=-5)
[  343.819216][ T1012] ata1.00: NCQ disabled due to excessive errors
[  343.839450][ T1012] ata1.00: exception Emask 0x1 SAct 0x3000000 SErr 0x0 action 0x0
[  343.845203][ T1012] ata1.00: irq_stat 0x41000000
[  343.850439][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED
[  343.857722][ T1012] ata1.00: cmd 61/00:c0:36:01:05/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou
[  343.857722][ T1012]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  343.878203][ T1012] ata1.00: status: { DRDY }
[  343.895129][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED
[  343.898975][ T1012] ata1.00: cmd 61/00:c8:36:41:05/20:00:00:00:00/40 tag 25 ncq dma 4194304 ou
[  343.898975][ T1012]          res 50/00:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  343.925734][ T1012] ata1.00: status: { DRDY }
[  343.929873][ T1012] ata1.00: configured for UDMA/100
[  343.934014][ T1012] ata1: EH complete
qemu-system-x86_64: hw/ide/core.c:934: ide_dma_cb: Assertion `prep_size >= 0 && prep_size <= n * 512' failed.
Connection to localhost closed by remote host.