syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
[   94.857879][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[   94.860976][ T1029] ata1: failed to read log page 10h (errno=-5)
[   94.863999][ T1029] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0
[   94.877892][ T1029] ata1.00: irq_stat 0x41000000
[   94.880289][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED
[   94.882752][ T1029] ata1.00: cmd 61/00:70:36:81:04/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou
[   94.882752][ T1029]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[   94.904363][ T1029] ata1.00: status: { DRDY }
[   94.910724][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED
[   94.922898][ T1029] ata1.00: cmd 61/00:78:36:a1:04/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou
[   94.922898][ T1029]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[   94.941292][ T1029] ata1.00: status: { DRDY }
[   94.947280][ T1029] ata1.00: configured for UDMA/100
[   94.954701][ T1029] ata1: EH complete
[   97.150478][  T111] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:59857' (ED25519) to the list of known hosts.
2026/07/10 11:24:05 parsed 1 programs
2026/07/10 11:24:05 serving rpc on tcp://39857
[  105.124196][ T5295] cgroup: Unknown subsys name 'net'
[  105.181047][ T5295] cgroup: Unknown subsys name 'cpuset'
[  105.189266][ T5295] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[  107.011933][ T5295] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x80000)
[  112.126798][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  112.142516][ T1029] ata1: failed to read log page 10h (errno=-5)
[  112.147456][ T1029] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0
[  112.166243][ T1029] ata1.00: irq_stat 0x41000000
[  112.170426][ T1029] ata1.00: failed command: READ FPDMA QUEUED
[  112.174155][ T1029] ata1.00: cmd 60/00:70:36:43:05/04:00:00:00:00/40 tag 14 ncq dma 524288 in
[  112.174155][ T1029]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  112.195545][ T1029] ata1.00: status: { DRDY }
[  112.197816][ T1029] ata1.00: failed command: READ FPDMA QUEUED
[  112.201019][ T1029] ata1.00: cmd 60/00:78:b6:47:05/0f:00:00:00:00/40 tag 15 ncq dma 1966080 in
[  112.201019][ T1029]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  112.225548][ T1029] ata1.00: status: { DRDY }
[  112.230229][ T1029] ata1.00: configured for UDMA/100
[  112.233850][ T1029] sd 0:0:0:0: [sda] tag#14 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
[  112.245841][ T1029] sd 0:0:0:0: [sda] tag#14 Sense Key : Aborted Command [current] 
[  112.255705][ T1029] sd 0:0:0:0: [sda] tag#14 Add. Sense: No additional sense information
[  112.259635][ T1029] sd 0:0:0:0: [sda] tag#14 CDB: Read(10) 28 00 00 05 43 36 00 04 00 00
[  112.274547][ T1029] I/O error, dev sda, sector 344886 op 0x0:(READ) flags 0x80700 phys_seg 116 prio class 2
[  112.279191][ T1029] sd 0:0:0:0: [sda] tag#15 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
[  112.292944][ T1029] sd 0:0:0:0: [sda] tag#15 Sense Key : Aborted Command [current] 
[  112.302225][ T1029] sd 0:0:0:0: [sda] tag#15 Add. Sense: No additional sense information
[  112.312072][ T1029] sd 0:0:0:0: [sda] tag#15 CDB: Read(10) 28 00 00 05 47 b6 00 0f 00 00
[  112.328939][ T1029] I/O error, dev sda, sector 346038 op 0x0:(READ) flags 0x80700 phys_seg 66 prio class 2
[  112.350205][ T1029] ata1: EH complete
[  113.042723][ T5317] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[  113.534514][ T5325] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[  113.541222][ T5325] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[  113.550498][ T5325] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[  113.557329][ T5325] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[  113.562704][ T5325] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[  115.617007][ T5325] Bluetooth: hci0: command tx timeout
[  123.069674][  T187] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  123.087593][  T187] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  123.670147][   T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  123.689889][   T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  125.043205][ T5351] syz-executor (5351) used greatest stack depth: 15528 bytes left
[  139.278375][ T5358] bridge0: port 1(bridge_slave_0) entered blocking state
[  139.309398][ T5358] bridge0: port 1(bridge_slave_0) entered disabled state
[  139.338015][ T5358] bridge_slave_0: entered allmulticast mode
[  139.372772][ T5358] bridge_slave_0: entered promiscuous mode
[  139.492628][ T5358] bridge0: port 2(bridge_slave_1) entered blocking state
[  139.544549][ T5358] bridge0: port 2(bridge_slave_1) entered disabled state
[  139.597273][ T5358] bridge_slave_1: entered allmulticast mode
[  139.643902][ T5358] bridge_slave_1: entered promiscuous mode
[  140.007189][ T5358] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  140.068774][ T5358] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  140.433327][ T5358] team0: Port device team_slave_0 added
[  140.470995][ T5358] team0: Port device team_slave_1 added
[  140.681379][ T5358] batman_adv: batadv0: Adding interface: batadv_slave_0
[  140.691202][ T5358] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  140.715950][ T5358] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[  140.769403][ T5358] batman_adv: batadv0: Adding interface: batadv_slave_1
[  140.782228][ T5358] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  140.816972][ T5358] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[  142.859054][ T5358] hsr_slave_0: entered promiscuous mode
[  142.872264][ T5358] hsr_slave_1: entered promiscuous mode
[  143.222803][ T1332] ieee802154 phy0 wpan0: encryption failed: -22
[  143.226335][ T1332] ieee802154 phy1 wpan1: encryption failed: -22
[  151.925813][ T5358] netdevsim netdevsim4 netdevsim0: renamed from eth0
[  152.225332][ T5358] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[  152.247119][ T5358] netdevsim netdevsim4 netdevsim1: renamed from eth1
[  152.290108][ T5358] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[  152.312297][ T5358] netdevsim netdevsim4 netdevsim2: renamed from eth2
[  152.369648][ T5358] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[  152.399694][ T5358] netdevsim netdevsim4 netdevsim3: renamed from eth3
[  152.440545][ T5358] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[  153.278517][ T5358] 8021q: adding VLAN 0 to HW filter on device bond0
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x8c000)
[  153.375386][ T5358] 8021q: adding VLAN 0 to HW filter on device team0
[  153.409522][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  153.431875][ T1029] ata1: failed to read log page 10h (errno=-5)
[  153.436191][   T55] bridge0: port 1(bridge_slave_0) entered blocking state
[  153.440817][   T55] bridge0: port 1(bridge_slave_0) entered forwarding state
[  153.454718][ T1029] ata1.00: NCQ disabled due to excessive errors
[  153.466659][ T1029] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0
[  153.478752][ T1029] ata1.00: irq_stat 0x41000000
[  153.486540][ T1029] ata1.00: failed command: READ FPDMA QUEUED
[  153.500953][ T1029] ata1.00: cmd 60/60:70:ee:d3:04/04:00:00:00:00/40 tag 14 ncq dma 573440 in
[  153.500953][ T1029]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  153.537926][   T55] bridge0: port 2(bridge_slave_1) entered blocking state
[  153.541833][   T55] bridge0: port 2(bridge_slave_1) entered forwarding state
[  153.550949][ T1029] ata1.00: status: { DRDY }
[  153.559778][ T1029] ata1.00: failed command: READ FPDMA QUEUED
[  153.568626][ T1029] ata1.00: cmd 60/b0:78:6e:d8:04/06:00:00:00:00/40 tag 15 ncq dma 876544 in
[  153.568626][ T1029]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  153.598400][ T1029] ata1.00: status: { DRDY }
[  153.614070][ T1029] ata1.00: configured for UDMA/100
[  153.626642][ T1029] sd 0:0:0:0: [sda] tag#14 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
[  153.652325][ T1029] sd 0:0:0:0: [sda] tag#14 Sense Key : Aborted Command [current] 
[  153.667005][ T1029] sd 0:0:0:0: [sda] tag#14 Add. Sense: No additional sense information
[  153.677052][ T1029] sd 0:0:0:0: [sda] tag#14 CDB: Read(10) 28 00 00 04 d3 ee 00 04 60 00
[  153.687762][ T1029] I/O error, dev sda, sector 316398 op 0x0:(READ) flags 0x80700 phys_seg 73 prio class 2
[  153.702155][ T1029] sd 0:0:0:0: [sda] tag#15 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
[  153.716813][ T1029] sd 0:0:0:0: [sda] tag#15 Sense Key : Aborted Command [current] 
[  153.724311][ T1029] sd 0:0:0:0: [sda] tag#15 Add. Sense: No additional sense information
[  153.739673][ T1029] sd 0:0:0:0: [sda] tag#15 CDB: Read(10) 28 00 00 04 d8 6e 00 06 b0 00
[  153.749879][ T1029] I/O error, dev sda, sector 317550 op 0x0:(READ) flags 0x80700 phys_seg 111 prio class 2
[  153.761475][ T1029] ata1: EH complete
[  155.100670][ T5358] 8021q: adding VLAN 0 to HW filter on device batadv0
[  155.739371][ T5358] veth0_vlan: entered promiscuous mode
[  155.769004][ T5358] veth1_vlan: entered promiscuous mode
[  155.850278][ T5358] veth0_macvtap: entered promiscuous mode
[  155.863655][ T5358] veth1_macvtap: entered promiscuous mode
[  155.913339][ T5358] batman_adv: batadv0: Interface activated: batadv_slave_0
[  155.939913][ T5358] batman_adv: batadv0: Interface activated: batadv_slave_1
[  155.972223][ T1075] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[  155.988404][ T1075] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[  156.005720][ T1075] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[  156.015262][ T1075] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
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.