syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000)
[   91.996281][  T932] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:8572' (ED25519) to the list of known hosts.
2026/10/07 13:32:36 parsed 1 programs
2026/10/07 13:32:36 serving rpc on tcp://40021
[  100.657021][ T5296] cgroup: Unknown subsys name 'net'
[  100.707554][ T5296] cgroup: Unknown subsys name 'cpuset'
[  100.710682][ T5296] cgroup: Unknown subsys name 'rlimit'
[  120.802648][ T1023] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen
[  120.802673][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  120.802680][ T1023] ata1.00: cmd 61/40:70:c6:49:04/05:00:00:00:00/40 tag 14 ncq dma 688128 out
[  120.802680][ T1023]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  120.802708][ T1023] ata1.00: status: { DRDY }
[  120.802775][ T1023] ata1: hard resetting link
[  121.125341][ T1023] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  121.126658][ T1023] ata1.00: configured for UDMA/100
[  121.126897][ T1023] ata1: EH complete
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
[  121.164856][ T1023] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
[  121.164875][ T1023] ata1: failed to read log page 10h (errno=-5)
[  121.164888][ T1023] ata1.00: exception Emask 0x1 SAct 0x1c00 SErr 0x0 action 0x0
[  121.164898][ T1023] ata1.00: irq_stat 0x41000000
[  121.164908][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  121.164915][ T1023] ata1.00: cmd 61/00:50:36:c1:04/20:00:00:00:00/40 tag 10 ncq dma 4194304 ou
[  121.164915][ T1023]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  121.164942][ T1023] ata1.00: status: { DRDY }
[  121.164951][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  121.164958][ T1023] ata1.00: cmd 61/00:58:36:e1:04/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou
[  121.164958][ T1023]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  121.164984][ T1023] ata1.00: status: { DRDY }
[  121.164992][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  121.164998][ T1023] ata1.00: cmd 61/00:60:36:01:05/20:00:00:00:00/40 tag 12 ncq dma 4194304 ou
[  121.164998][ T1023]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  121.165027][ T1023] ata1.00: status: { DRDY }
[  121.167582][ T1023] ata1.00: configured for UDMA/100
[  121.170447][ T1023] ata1: EH complete
[  121.259767][ T1023] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  121.259786][ T1023] ata1: failed to read log page 10h (errno=-5)
[  121.259798][ T1023] ata1.00: NCQ disabled due to excessive errors
[  121.259821][ T1023] ata1.00: exception Emask 0x1 SAct 0x780000 SErr 0x0 action 0x0
[  121.259879][ T1023] ata1.00: irq_stat 0x41000000
[  121.259891][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  121.259898][ T1023] ata1.00: cmd 61/00:98:36:5d:05/20:00:00:00:00/40 tag 19 ncq dma 4194304 ou
[  121.259898][ T1023]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  121.259926][ T1023] ata1.00: status: { DRDY }
[  121.259935][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  121.259941][ T1023] ata1.00: cmd 61/00:a0:36:7d:05/04:00:00:00:00/40 tag 20 ncq dma 524288 out
[  121.259941][ T1023]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  121.259969][ T1023] ata1.00: status: { DRDY }
[  121.259977][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  121.259984][ T1023] ata1.00: cmd 61/00:a8:36:81:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou
[  121.259984][ T1023]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  121.260011][ T1023] ata1.00: status: { DRDY }
[  121.260019][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  121.260025][ T1023] ata1.00: cmd 61/00:b0:36:a1:05/20:00:00:00:00/40 tag 22 ncq dma 4194304 ou
[  121.260025][ T1023]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  121.260052][ T1023] ata1.00: status: { DRDY }
[  121.261111][ T1023] ata1.00: configured for UDMA/100
[  121.328879][ T1023] 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.