Warning: Permanently added '10.128.1.15' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs [ 31.565694][ T6554] cgroup: Unknown subsys name 'net' [ 31.715614][ T6554] cgroup: Unknown subsys name 'cpuset' [ 31.717564][ T6554] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.899731][ T6554] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 37.067189][ T6560] 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. [ 37.148705][ T6567] chnl_net:caif_netlink_parms(): no params data found [ 37.171173][ T6567] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.171765][ T6567] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.171834][ T6567] bridge_slave_0: entered allmulticast mode [ 37.172306][ T6567] bridge_slave_0: entered promiscuous mode [ 37.173521][ T6567] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.173575][ T6567] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.173620][ T6567] bridge_slave_1: entered allmulticast mode [ 37.174032][ T6567] bridge_slave_1: entered promiscuous mode [ 37.189636][ T6567] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.190974][ T6567] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.197470][ T6567] team0: Port device team_slave_0 added [ 37.198190][ T6567] team0: Port device team_slave_1 added [ 37.204778][ T6567] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.204799][ T6567] 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. [ 37.204813][ T6567] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.205830][ T6567] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.205837][ T6567] 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. [ 37.205848][ T6567] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.221231][ T6567] hsr_slave_0: entered promiscuous mode [ 37.221566][ T6567] hsr_slave_1: entered promiscuous mode [ 37.296220][ T6567] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.299435][ T6567] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.301757][ T6567] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.303844][ T6567] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.312751][ T6567] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.312800][ T6567] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.312980][ T6567] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.313017][ T6567] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.326051][ T6567] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.329767][ T15] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.331523][ T15] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.336661][ T6567] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.339283][ T1928] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.339332][ T1928] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.342036][ T1928] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.342080][ T1928] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.396976][ T6567] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.407119][ T6567] veth0_vlan: entered promiscuous mode [ 37.408660][ T6567] veth1_vlan: entered promiscuous mode [ 37.415076][ T6567] veth0_macvtap: entered promiscuous mode [ 37.416115][ T6567] veth1_macvtap: entered promiscuous mode [ 37.420497][ T6567] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.421616][ T6567] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.424629][ T42] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.437675][ T1928] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.437717][ T1928] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.437745][ T1928] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.669249][ T42] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.721012][ T42] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.774581][ T42] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.813677][ T42] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.024574][ T6618] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.025508][ T6618] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.025726][ T6618] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.026045][ T6618] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.026235][ T6618] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.130956][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.130993][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.140240][ T41] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.140272][ T41] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 1970/01/01 00:00:38 executed programs: 0 [ 38.759200][ T6151] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.759645][ T6151] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.759796][ T6151] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.760090][ T6151] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.760280][ T6151] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.810442][ T6660] chnl_net:caif_netlink_parms(): no params data found [ 38.831863][ T6660] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.831944][ T6660] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.832012][ T6660] bridge_slave_0: entered allmulticast mode [ 38.832465][ T6660] bridge_slave_0: entered promiscuous mode [ 38.833249][ T6660] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.833294][ T6660] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.833347][ T6660] bridge_slave_1: entered allmulticast mode [ 38.833762][ T6660] bridge_slave_1: entered promiscuous mode [ 38.847606][ T6660] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.848684][ T6660] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.855996][ T6660] team0: Port device team_slave_0 added [ 38.856790][ T6660] team0: Port device team_slave_1 added [ 38.863536][ T6660] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.863563][ T6660] 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. [ 38.863576][ T6660] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.864111][ T6660] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.864118][ T6660] 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. [ 38.864131][ T6660] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.883053][ T6660] hsr_slave_0: entered promiscuous mode [ 38.883382][ T6660] hsr_slave_1: entered promiscuous mode [ 38.883657][ T6660] debugfs: 'hsr0' already exists in 'hsr' [ 38.883696][ T6660] Cannot create hsr debugfs directory [ 40.824480][ T6618] Bluetooth: hci0: command tx timeout [ 40.858689][ T42] bridge_slave_1: left allmulticast mode [ 40.858729][ T42] bridge_slave_1: left promiscuous mode [ 40.858999][ T42] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.863633][ T42] bridge_slave_0: left allmulticast mode [ 40.863668][ T42] bridge_slave_0: left promiscuous mode [ 40.863741][ T42] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.001279][ T42] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 41.035559][ T42] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 41.065354][ T42] bond0 (unregistering): Released all slaves [ 41.150681][ T42] hsr_slave_0: left promiscuous mode [ 41.152826][ T42] hsr_slave_1: left promiscuous mode [ 41.153290][ T42] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 41.153305][ T42] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 41.155394][ T42] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 41.155407][ T42] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 41.167118][ T42] veth1_macvtap: left promiscuous mode [ 41.167187][ T42] veth0_macvtap: left promiscuous mode [ 41.167358][ T42] veth1_vlan: left promiscuous mode [ 41.167407][ T42] veth0_vlan: left promiscuous mode [ 41.277547][ T42] team0 (unregistering): Port device team_slave_1 removed [ 41.283575][ T42] team0 (unregistering): Port device team_slave_0 removed [ 41.554079][ T6660] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.584504][ T6660] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.587678][ T6660] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.589606][ T6660] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.612708][ T6660] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.619618][ T6660] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.621214][ T15] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.621253][ T15] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.625190][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.625225][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.632597][ T6660] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.632631][ T6660] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.858558][ T6660] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.871573][ T6660] veth0_vlan: entered promiscuous mode [ 41.874119][ T6660] veth1_vlan: entered promiscuous mode [ 41.882641][ T6660] veth0_macvtap: entered promiscuous mode [ 41.886729][ T6660] veth1_macvtap: entered promiscuous mode [ 41.892347][ T6660] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.898179][ T6660] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.908810][ T15] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.908854][ T15] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.908870][ T15] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.908882][ T15] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.954628][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.954656][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.969077][ T15] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.969102][ T15] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.002986][ T6739] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.003699][ T6739] ------------[ cut here ]------------ [ 42.003707][ T6739] WARNING: CPU: 0 PID: 6739 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.007451][ T6739] Modules linked in: [ 42.008052][ T6739] CPU: 0 UID: 0 PID: 6739 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT [ 42.009386][ T6739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.010936][ T6739] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.012229][ T6739] pc : iopt_map_pages+0xd7c/0xdcc [ 42.012973][ T6739] lr : iopt_map_pages+0xd7c/0xdcc [ 42.013778][ T6739] sp : ffff8000a04f76c0 [ 42.014426][ T6739] x29: ffff8000a04f78a0 x28: ffff0000d66f4810 x27: 1fffe0001acde944 [ 42.015616][ T6739] x26: ffff8000a04f7b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.016800][ T6739] x23: ffff0000d66f4a20 x22: ffff0000d66f49f8 x21: 00000000ffffffea [ 42.018001][ T6739] x20: dfff800000000000 x19: ffff8000a04f79b0 x18: 0000000000000000 [ 42.019169][ T6739] x17: ffff800083ce6110 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.020338][ T6739] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.021604][ T6739] x11: ffff0000c72f5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.022805][ T6739] x8 : ffff0000c72f5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 42.024018][ T6739] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.025268][ T6739] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.026485][ T6739] Call trace: [ 42.026998][ T6739] iopt_map_pages+0xd7c/0xdcc (P) [ 42.027794][ T6739] iopt_map_common+0x204/0x420 [ 42.028547][ T6739] iopt_map_user_pages+0xb4/0xd8 [ 42.029296][ T6739] iommufd_ioas_map+0x2d4/0x3d0 [ 42.030019][ T6739] iommufd_fops_ioctl+0x424/0x54c [ 42.030764][ T6739] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.031568][ T6739] invoke_syscall+0x98/0x254 [ 42.032271][ T6739] el0_svc_common+0xe8/0x23c [ 42.032950][ T6739] do_el0_svc+0x48/0x58 [ 42.033648][ T6739] el0_svc+0x5c/0x254 [ 42.034345][ T6739] el0t_64_sync_handler+0x84/0x12c [ 42.035103][ T6739] el0t_64_sync+0x198/0x19c [ 42.035765][ T6739] irq event stamp: 1160 [ 42.036315][ T6739] hardirqs last enabled at (1159): [] _raw_spin_unlock_irqrestore+0x38/0x98 [ 42.037742][ T6739] hardirqs last disabled at (1160): [] el1_brk64+0x20/0x54 [ 42.039020][ T6739] softirqs last enabled at (132): [] local_bh_enable+0x10/0x34 [ 42.040284][ T6739] softirqs last disabled at (130): [] local_bh_disable+0x10/0x34 [ 42.041579][ T6739] ---[ end trace 0000000000000000 ]--- [ 42.052368][ T6740] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.052750][ T6740] ------------[ cut here ]------------ [ 42.052758][ T6740] WARNING: CPU: 0 PID: 6740 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.056411][ T6740] Modules linked in: [ 42.057048][ T6740] CPU: 0 UID: 0 PID: 6740 Comm: syz.0.18 Tainted: G W syzkaller #0 PREEMPT [ 42.058640][ T6740] Tainted: [W]=WARN [ 42.059270][ T6740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.060768][ T6740] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.062000][ T6740] pc : iopt_map_pages+0xd7c/0xdcc [ 42.062807][ T6740] lr : iopt_map_pages+0xd7c/0xdcc [ 42.063522][ T6740] sp : ffff8000a04f76c0 [ 42.064182][ T6740] x29: ffff8000a04f78a0 x28: ffff0000d66f2010 x27: 1fffe0001acde444 [ 42.065404][ T6740] x26: ffff8000a04f7b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.066619][ T6740] x23: ffff0000d66f2220 x22: ffff0000d66f21f8 x21: 00000000ffffffea [ 42.067840][ T6740] x20: dfff800000000000 x19: ffff8000a04f79b0 x18: 0000000000000000 [ 42.069037][ T6740] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.070181][ T6740] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.071333][ T6740] x11: ffff0000c72f3d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.072440][ T6740] x8 : ffff0000c72f3d80 x7 : 0000000000000000 x6 : 000000000000003f [ 42.073609][ T6740] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.074789][ T6740] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.075972][ T6740] Call trace: [ 42.076439][ T6740] iopt_map_pages+0xd7c/0xdcc (P) [ 42.077155][ T6740] iopt_map_common+0x204/0x420 [ 42.077894][ T6740] iopt_map_user_pages+0xb4/0xd8 [ 42.078596][ T6740] iommufd_ioas_map+0x2d4/0x3d0 [ 42.079250][ T6740] iommufd_fops_ioctl+0x424/0x54c [ 42.080004][ T6740] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.080673][ T6740] invoke_syscall+0x98/0x254 [ 42.081306][ T6740] el0_svc_common+0xe8/0x23c [ 42.082009][ T6740] do_el0_svc+0x48/0x58 [ 42.082591][ T6740] el0_svc+0x5c/0x254 [ 42.083260][ T6740] el0t_64_sync_handler+0x84/0x12c [ 42.084025][ T6740] el0t_64_sync+0x198/0x19c [ 42.084695][ T6740] irq event stamp: 974 [ 42.085242][ T6740] hardirqs last enabled at (973): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.086654][ T6740] hardirqs last disabled at (974): [] el1_brk64+0x20/0x54 [ 42.087906][ T6740] softirqs last enabled at (940): [] local_bh_enable+0x10/0x34 [ 42.089241][ T6740] softirqs last disabled at (938): [] local_bh_disable+0x10/0x34 [ 42.090569][ T6740] ---[ end trace 0000000000000000 ]--- [ 42.101331][ T6741 ** replaying previous printk message ** [ 42.101331][ T6741] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.101698][ T6741] ------------[ cut here ]------------ [ 42.101702][ T6741] WARNING: CPU: 0 PID: 6741 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.105908][ T6741] Modules linked in: [ 42.106526][ T6741] CPU: 0 UID: 0 PID: 6741 Comm: syz.0.19 Tainted: G W syzkaller #0 PREEMPT [ 42.108111][ T6741] Tainted: [W]=WARN [ 42.108649][ T6741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.110102][ T6741] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.111266][ T6741] pc : iopt_map_pages+0xd7c/0xdcc [ 42.112006][ T6741] lr : iopt_map_pages+0xd7c/0xdcc [ 42.112755][ T6741] sp : ffff8000a04f76c0 [ 42.113381][ T6741] x29: ffff8000a04f78a0 x28: ffff0000c2d19810 x27: 1fffe000185a3344 [ 42.114701][ T6741] x26: ffff8000a04f7b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.115912][ T6741] x23: ffff0000c2d19a20 x22: ffff0000c2d199f8 x21: 00000000ffffffea [ 42.117171][ T6741] x20: dfff800000000000 x19: ffff8000a04f79b0 x18: 0000000000000000 [ 42.118431][ T6741] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.119619][ T6741] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.120782][ T6741] x11: ffff0000c72f1ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.121916][ T6741] x8 : ffff0000c72f1ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 42.123136][ T6741] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.124339][ T6741] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.125526][ T6741] Call trace: [ 42.125970][ T6741] iopt_map_pages+0xd7c/0xdcc (P) [ 42.126673][ T6741] iopt_map_common+0x204/0x420 [ 42.127364][ T6741] iopt_map_user_pages+0xb4/0xd8 [ 42.128059][ T6741] iommufd_ioas_map+0x2d4/0x3d0 [ 42.128797][ T6741] iommufd_fops_ioctl+0x424/0x54c [ 42.129522][ T6741] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.130270][ T6741] invoke_syscall+0x98/0x254 [ 42.130946][ T6741] el0_svc_common+0xe8/0x23c [ 42.131630][ T6741] do_el0_svc+0x48/0x58 [ 42.132251][ T6741] el0_svc+0x5c/0x254 [ 42.132798][ T6741] el0t_64_sync_handler+0x84/0x12c [ 42.133583][ T6741] el0t_64_sync+0x198/0x19c [ 42.134226][ T6741] irq event stamp: 916 [ 42.134788][ T6741] hardirqs last enabled at (915): [] ___slab_alloc+0x808/0x127c [ 42.136083][ T6741] hardirqs last disabled at (916): [] el1_brk64+0x20/0x54 [ 42.137406][ T6741] softirqs last enabled at (150): [] local_bh_enable+0x10/0x34 [ 42.138720][ T6741] softirqs last disabled at (148): [] local_bh_disable+0x10/0x34 [ 42.140070][ T6741] ---[ end trace 0000000000000000 ]--- [ 42.155662][ T6742] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.158124][ T6742] ------------[ cut here ]------------ [ 42.158135][ T6742] WARNING: CPU: 1 PID: 6742 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.160353][ T6742] Modules linked in: [ 42.160912][ T6742] CPU: 1 UID: 0 PID: 6742 Comm: syz.0.20 Tainted: G W syzkaller #0 PREEMPT [ 42.162315][ T6742] Tainted: [W]=WARN [ 42.162909][ T6742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.164405][ T6742] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.165767][ T6742] pc : iopt_map_pages+0xd7c/0xdcc [ 42.166559][ T6742] lr : iopt_map_pages+0xd7c/0xdcc [ 42.167358][ T6742] sp : ffff8000a04f76c0 [ 42.168002][ T6742] x29: ffff8000a04f78a0 x28: ffff0000d9488010 x27: 1fffe0001b291044 [ 42.169285][ T6742] x26: ffff8000a04f7b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.170479][ T6742] x23: ffff0000d9488220 x22: ffff0000d94881f8 x21: 00000000ffffffea [ 42.171687][ T6742] x20: dfff800000000000 x19: ffff8000a04f79b0 x18: 0000000000000000 [ 42.172933][ T6742] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.174167][ T6742] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.175411][ T6742] x11: ffff0000c72f0000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.176624][ T6742] x8 : ffff0000c72f0000 x7 : 0000000000000000 x6 : 000000000000003f [ 42.177861][ T6742] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.179074][ T6742] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.180306][ T6742] Call trace: [ 42.180814][ T6742] iopt_map_pages+0xd7c/0xdcc (P) [ 42.181551][ T6742] iopt_map_common+0x204/0x420 [ 42.182290][ T6742] iopt_map_user_pages+0xb4/0xd8 [ 42.183066][ T6742] iommufd_ioas_map+0x2d4/0x3d0 [ 42.183855][ T6742] iommufd_fops_ioctl+0x424/0x54c [ 42.184611][ T6742] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.185396][ T6742] invoke_syscall+0x98/0x254 [ 42.186033][ T6742] el0_svc_common+0xe8/0x23c [ 42.186686][ T6742] do_el0_svc+0x48/0x58 [ 42.187270][ T6742] el0_svc+0x5c/0x254 [ 42.187859][ T6742] el0t_64_sync_handler+0x84/0x12c [ 42.188622][ T6742] el0t_64_sync+0x198/0x19c [ 42.189330][ T6742] irq event stamp: 962 [ 42.189915][ T6742] hardirqs last enabled at (961): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.191382][ T6742] hardirqs last disabled at (962): [] el1_brk64+0x20/0x54 [ 42.192679][ T6742] softirqs last enabled at (130): [] local_bh_enable+0x10/0x34 [ 42.194013][ T6742] softirqs last disabled at (128): [] local_bh_disable+0x10/0x34 [ 42.195319][ T6742] ---[ end trace 0000000000000000 ]--- [ 42.206430][ T67 ** replaying previous printk message ** [ 42.206430][ T6743] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.206791][ T6743] ------------[ cut here ]------------ [ 42.206796][ T6743] WARNING: CPU: 1 PID: 6743 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.211022][ T6743] Modules linked in: [ 42.211602][ T6743] CPU: 1 UID: 0 PID: 6743 Comm: syz.0.21 Tainted: G W syzkaller #0 PREEMPT [ 42.213112][ T6743] Tainted: [W]=WARN [ 42.213724][ T6743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.215295][ T6743] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.216456][ T6743] pc : iopt_map_pages+0xd7c/0xdcc [ 42.217230][ T6743] lr : iopt_map_pages+0xd7c/0xdcc [ 42.217963][ T6743] sp : ffff8000a29d76c0 [ 42.218563][ T6743] x29: ffff8000a29d78a0 x28: ffff0000d63a6810 x27: 1fffe0001ac74d44 [ 42.219807][ T6743] x26: ffff8000a29d7b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.221129][ T6743] x23: ffff0000d63a6a20 x22: ffff0000d63a69f8 x21: 00000000ffffffea [ 42.222359][ T6743] x20: dfff800000000000 x19: ffff8000a29d79b0 x18: 0000000000000000 [ 42.223491][ T6743] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.224631][ T6743] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.225799][ T6743] x11: ffff0000c2553d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.227014][ T6743] x8 : ffff0000c2553d80 x7 : 0000000000000000 x6 : 000000000000003f [ 42.228187][ T6743] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.229321][ T6743] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.230487][ T6743] Call trace: [ 42.230903][ T6743] iopt_map_pages+0xd7c/0xdcc (P) [ 42.231625][ T6743] iopt_map_common+0x204/0x420 [ 42.232324][ T6743] iopt_map_user_pages+0xb4/0xd8 [ 42.233040][ T6743] iommufd_ioas_map+0x2d4/0x3d0 [ 42.233743][ T6743] iommufd_fops_ioctl+0x424/0x54c [ 42.234491][ T6743] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.235243][ T6743] invoke_syscall+0x98/0x254 [ 42.235892][ T6743] el0_svc_common+0xe8/0x23c [ 42.236781][ T6743] do_el0_svc+0x48/0x58 [ 42.237410][ T6743] el0_svc+0x5c/0x254 [ 42.238042][ T6743] el0t_64_sync_handler+0x84/0x12c [ 42.238899][ T6743] el0t_64_sync+0x198/0x19c [ 42.239639][ T6743] irq event stamp: 1010 [ 42.240316][ T6743] hardirqs last enabled at (1009): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.241959][ T6743] hardirqs last disabled at (1010): [] el1_brk64+0x20/0x54 [ 42.243431][ T6743] softirqs last enabled at (574): [] local_bh_enable+0x10/0x34 [ 42.244855][ T6743] softirqs last disabled at (572): [] local_bh_disable+0x10/0x34 [ 42.246276][ T6743] ---[ end trace 0000000000000000 ]--- [ 42.264591][ T6744] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.265047][ T6744] ------------[ cut here ]------------ [ 42.265053][ T6744] WARNING: CPU: 1 PID: 6744 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.268541][ T6744] Modules linked in: [ 42.269133][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz.0.22 Tainted: G W syzkaller #0 PREEMPT [ 42.270695][ T6744] Tainted: [W]=WARN [ 42.271209][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.272744][ T6744] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.273891][ T6744] pc : iopt_map_pages+0xd7c/0xdcc [ 42.274615][ T6744] lr : iopt_map_pages+0xd7c/0xdcc [ 42.275330][ T6744] sp : ffff8000a29d76c0 [ 42.275993][ T6744] x29: ffff8000a29d78a0 x28: ffff0000d63a3810 x27: 1fffe0001ac74744 [ 42.277219][ T6744] x26: ffff8000a29d7b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.278402][ T6744] x23: ffff0000d63a3a20 x22: ffff0000d63a39f8 x21: 00000000ffffffea [ 42.279557][ T6744] x20: dfff800000000000 x19: ffff8000a29d79b0 x18: 0000000000000000 [ 42.280655][ T6744] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.281889][ T6744] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.283112][ T6744] x11: ffff0000d8ff9ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.284353][ T6744] x8 : ffff0000d8ff9ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 42.285568][ T6744] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.286862][ T6744] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.288101][ T6744] Call trace: [ 42.288593][ T6744] iopt_map_pages+0xd7c/0xdcc (P) [ 42.289355][ T6744] iopt_map_common+0x204/0x420 [ 42.290059][ T6744] iopt_map_user_pages+0xb4/0xd8 [ 42.290805][ T6744] iommufd_ioas_map+0x2d4/0x3d0 [ 42.291557][ T6744] iommufd_fops_ioctl+0x424/0x54c [ 42.292312][ T6744] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.293035][ T6744] invoke_syscall+0x98/0x254 [ 42.293775][ T6744] el0_svc_common+0xe8/0x23c [ 42.294419][ T6744] do_el0_svc+0x48/0x58 [ 42.295089][ T6744] el0_svc+0x5c/0x254 [ 42.295696][ T6744] el0t_64_sync_handler+0x84/0x12c [ 42.296457][ T6744] el0t_64_sync+0x198/0x19c [ 42.297122][ T6744] irq event stamp: 1014 [ 42.297757][ T6744] hardirqs last enabled at (1013): [] ___slab_alloc+0x808/0x127c [ 42.299145][ T6744] hardirqs last disabled at (1014): [] el1_brk64+0x20/0x54 [ 42.300394][ T6744] softirqs last enabled at (802): [] handle_softirqs+0xaf8/0xc88 [ 42.301813][ T6744] softirqs last disabled at (765): [] __do_softirq+0x14/0x20 [ 42.303139][ T6744] ---[ end trace 0000000000000000 ]--- [ 42.313756][ ** replaying previous printk message ** [ 42.313756][ T6745] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.314132][ T6745] ------------[ cut here ]------------ [ 42.314136][ T6745] WARNING: CPU: 1 PID: 6745 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.318606][ T6745] Modules linked in: [ 42.319243][ T6745] CPU: 1 UID: 0 PID: 6745 Comm: syz.0.23 Tainted: G W syzkaller #0 PREEMPT [ 42.320889][ T6745] Tainted: [W]=WARN [ 42.321555][ T6745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.323057][ T6745] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.324230][ T6745] pc : iopt_map_pages+0xd7c/0xdcc [ 42.324950][ T6745] lr : iopt_map_pages+0xd7c/0xdcc [ 42.325742][ T6745] sp : ffff8000a04f76c0 [ 42.326347][ T6745] x29: ffff8000a04f78a0 x28: ffff0000d63a0810 x27: 1fffe0001ac74144 [ 42.327577][ T6745] x26: ffff8000a04f7b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.328821][ T6745] x23: ffff0000d63a0a20 x22: ffff0000d63a09f8 x21: 00000000ffffffea [ 42.330018][ T6745] x20: dfff800000000000 x19: ffff8000a04f79b0 x18: 0000000000000000 [ 42.331238][ T6745] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.332539][ T6745] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.333768][ T6745] x11: ffff0000c2551ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.334965][ T6745] x8 : ffff0000c2551ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 42.336183][ T6745] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.337445][ T6745] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.338706][ T6745] Call trace: [ 42.339186][ T6745] iopt_map_pages+0xd7c/0xdcc (P) [ 42.339822][ T6745] iopt_map_common+0x204/0x420 [ 42.340587][ T6745] iopt_map_user_pages+0xb4/0xd8 [ 42.341325][ T6745] iommufd_ioas_map+0x2d4/0x3d0 [ 42.342099][ T6745] iommufd_fops_ioctl+0x424/0x54c [ 42.342836][ T6745] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.343555][ T6745] invoke_syscall+0x98/0x254 [ 42.344229][ T6745] el0_svc_common+0xe8/0x23c [ 42.344900][ T6745] do_el0_svc+0x48/0x58 [ 42.345551][ T6745] el0_svc+0x5c/0x254 [ 42.346161][ T6745] el0t_64_sync_handler+0x84/0x12c [ 42.346957][ T6745] el0t_64_sync+0x198/0x19c [ 42.347600][ T6745] irq event stamp: 930 [ 42.348151][ T6745] hardirqs last enabled at (929): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.349527][ T6745] hardirqs last disabled at (930): [] el1_brk64+0x20/0x54 [ 42.350822][ T6745] softirqs last enabled at (166): [] local_bh_enable+0x10/0x34 [ 42.352201][ T6745] softirqs last disabled at (164): [] local_bh_disable+0x10/0x34 [ 42.353638][ T6745] ---[ end trace 0000000000000000 ]--- [ 42.364077][ T6746] iommuf ** replaying previous printk message ** [ 42.364077][ T6746] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.364572][ T6746] ------------[ cut here ]------------ [ 42.364577][ T6746] WARNING: CPU: 1 PID: 6746 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.368765][ T6746] Modules linked in: [ 42.369333][ T6746] CPU: 1 UID: 0 PID: 6746 Comm: syz.0.24 Tainted: G W syzkaller #0 PREEMPT [ 42.370956][ T6746] Tainted: [W]=WARN [ 42.371528][ T6746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.373047][ T6746] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.374307][ T6746] pc : iopt_map_pages+0xd7c/0xdcc [ 42.375116][ T6746] lr : iopt_map_pages+0xd7c/0xdcc [ 42.375887][ T6746] sp : ffff8000a04f76c0 [ 42.376527][ T6746] x29: ffff8000a04f78a0 x28: ffff0000c6f67810 x27: 1fffe00018decf44 [ 42.377807][ T6746] x26: ffff8000a04f7b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.379030][ T6746] x23: ffff0000c6f67a20 x22: ffff0000c6f679f8 x21: 00000000ffffffea [ 42.380365][ T6746] x20: dfff800000000000 x19: ffff8000a04f79b0 x18: 0000000000000000 [ 42.381621][ T6746] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.382880][ T6746] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.384193][ T6746] x11: ffff0000c2550000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.385419][ T6746] x8 : ffff0000c2550000 x7 : 0000000000000000 x6 : 000000000000003f [ 42.386598][ T6746] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.387846][ T6746] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.389106][ T6746] Call trace: [ 42.389582][ T6746] iopt_map_pages+0xd7c/0xdcc (P) [ 42.390305][ T6746] iopt_map_common+0x204/0x420 [ 42.390994][ T6746] iopt_map_user_pages+0xb4/0xd8 [ 42.391752][ T6746] iommufd_ioas_map+0x2d4/0x3d0 [ 42.392546][ T6746] iommufd_fops_ioctl+0x424/0x54c [ 42.393354][ T6746] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.394096][ T6746] invoke_syscall+0x98/0x254 [ 42.394718][ T6746] el0_svc_common+0xe8/0x23c [ 42.395390][ T6746] do_el0_svc+0x48/0x58 [ 42.396023][ T6746] el0_svc+0x5c/0x254 [ 42.396595][ T6746] el0t_64_sync_handler+0x84/0x12c [ 42.397395][ T6746] el0t_64_sync+0x198/0x19c [ 42.398119][ T6746] irq event stamp: 1040 [ 42.398698][ T6746] hardirqs last enabled at (1039): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.400106][ T6746] hardirqs last disabled at (1040): [] el1_brk64+0x20/0x54 [ 42.401375][ T6746] softirqs last enabled at (1000): [] local_bh_enable+0x10/0x34 [ 42.402726][ T6746] softirqs last disabled at (998): [] local_bh_disable+0x10/0x34 [ 42.404114][ T6746] ---[ end trace 0000000000000000 ]--- [ 42.416359][ T6747 ** replaying previous printk message ** [ 42.416359][ T6747] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.416753][ T6747] ------------[ cut here ]------------ [ 42.416757][ T6747] WARNING: CPU: 1 PID: 6747 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.420926][ T6747] Modules linked in: [ 42.421478][ T6747] CPU: 1 UID: 0 PID: 6747 Comm: syz.0.25 Tainted: G W syzkaller #0 PREEMPT [ 42.423130][ T6747] Tainted: [W]=WARN [ 42.423752][ T6747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.425260][ T6747] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.426379][ T6747] pc : iopt_map_pages+0xd7c/0xdcc [ 42.427176][ T6747] lr : iopt_map_pages+0xd7c/0xdcc [ 42.427908][ T6747] sp : ffff8000a29d76c0 [ 42.428493][ T6747] x29: ffff8000a29d78a0 x28: ffff0000c6f65810 x27: 1fffe00018decb44 [ 42.429713][ T6747] x26: ffff8000a29d7b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.430911][ T6747] x23: ffff0000c6f65a20 x22: ffff0000c6f659f8 x21: 00000000ffffffea [ 42.432160][ T6747] x20: dfff800000000000 x19: ffff8000a29d79b0 x18: 0000000000000000 [ 42.433132][ T6747] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.434340][ T6747] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.437719][ T6747] x11: ffff0000cd9e5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.439075][ T6747] x8 : ffff0000cd9e5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 42.440251][ T6747] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.441457][ T6747] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.442674][ T6747] Call trace: [ 42.443172][ T6747] iopt_map_pages+0xd7c/0xdcc (P) [ 42.443896][ T6747] iopt_map_common+0x204/0x420 [ 42.444607][ T6747] iopt_map_user_pages+0xb4/0xd8 [ 42.445322][ T6747] iommufd_ioas_map+0x2d4/0x3d0 [ 42.446073][ T6747] iommufd_fops_ioctl+0x424/0x54c [ 42.446799][ T6747] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.447567][ T6747] invoke_syscall+0x98/0x254 [ 42.448213][ T6747] el0_svc_common+0xe8/0x23c [ 42.448861][ T6747] do_el0_svc+0x48/0x58 [ 42.449527][ T6747] el0_svc+0x5c/0x254 [ 42.450138][ T6747] el0t_64_sync_handler+0x84/0x12c [ 42.450903][ T6747] el0t_64_sync+0x198/0x19c [ 42.451560][ T6747] irq event stamp: 1112 [ 42.452143][ T6747] hardirqs last enabled at (1111): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.453597][ T6747] hardirqs last disabled at (1112): [] el1_brk64+0x20/0x54 [ 42.454895][ T6747] softirqs last enabled at (680): [] local_bh_enable+0x10/0x34 [ 42.456216][ T6747] softirqs last disabled at (678): [] local_bh_disable+0x10/0x34 [ 42.457562][ T6747] ---[ end trace 0000000000000000 ]--- [ 42.470665][ T67 ** replaying previous printk message ** [ 42.470665][ T6748] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.471051][ T6748] ------------[ cut here ]------------ [ 42.471055][ T6748] WARNING: CPU: 1 PID: 6748 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.475337][ T6748] Modules linked in: [ 42.475909][ T6748] CPU: 1 UID: 0 PID: 6748 Comm: syz.0.26 Tainted: G W syzkaller #0 PREEMPT [ 42.477514][ T6748] Tainted: [W]=WARN [ 42.478126][ T6748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.479640][ T6748] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.480799][ T6748] pc : iopt_map_pages+0xd7c/0xdcc [ 42.481534][ T6748] lr : iopt_map_pages+0xd7c/0xdcc [ 42.482295][ T6748] sp : ffff8000a29576c0 [ 42.482926][ T6748] x29: ffff8000a29578a0 x28: ffff0000c6f62010 x27: 1fffe00018dec444 [ 42.484243][ T6748] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.485489][ T6748] x23: ffff0000c6f62220 x22: ffff0000c6f621f8 x21: 00000000ffffffea [ 42.486640][ T6748] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 42.487908][ T6748] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.489145][ T6748] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.490299][ T6748] x11: ffff0000cd9e0000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.491574][ T6748] x8 : ffff0000cd9e0000 x7 : 0000000000000000 x6 : 000000000000003f [ 42.492750][ T6748] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.493995][ T6748] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.495250][ T6748] Call trace: [ 42.495755][ T6748] iopt_map_pages+0xd7c/0xdcc (P) [ 42.496518][ T6748] iopt_map_common+0x204/0x420 [ 42.497280][ T6748] iopt_map_user_pages+0xb4/0xd8 [ 42.497997][ T6748] iommufd_ioas_map+0x2d4/0x3d0 [ 42.498717][ T6748] iommufd_fops_ioctl+0x424/0x54c [ 42.499601][ T6748] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.500394][ T6748] invoke_syscall+0x98/0x254 [ 42.501102][ T6748] el0_svc_common+0xe8/0x23c [ 42.501898][ T6748] do_el0_svc+0x48/0x58 [ 42.502578][ T6748] el0_svc+0x5c/0x254 [ 42.503201][ T6748] el0t_64_sync_handler+0x84/0x12c [ 42.504056][ T6748] el0t_64_sync+0x198/0x19c [ 42.504785][ T6748] irq event stamp: 1132 [ 42.505417][ T6748] hardirqs last enabled at (1131): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.506911][ T6748] hardirqs last disabled at (1132): [] el1_brk64+0x20/0x54 [ 42.508274][ T6748] softirqs last enabled at (1092): [] local_bh_enable+0x10/0x34 [ 42.509639][ T6748] softirqs last disabled at (1090): [] local_bh_disable+0x10/0x34 [ 42.511092][ T6748] ---[ end trace 0000000000000000 ]--- [ 42.522009][ T674 ** replaying previous printk message ** [ 42.522009][ T6749] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.522381][ T6749] ------------[ cut here ]------------ [ 42.522385][ T6749] WARNING: CPU: 1 PID: 6749 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.526746][ T6749] Modules linked in: [ 42.527360][ T6749] CPU: 1 UID: 0 PID: 6749 Comm: syz.0.27 Tainted: G W syzkaller #0 PREEMPT [ 42.528805][ T6749] Tainted: [W]=WARN [ 42.529348][ T6749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.530953][ T6749] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.532206][ T6749] pc : iopt_map_pages+0xd7c/0xdcc [ 42.532998][ T6749] lr : iopt_map_pages+0xd7c/0xdcc [ 42.533861][ T6749] sp : ffff8000a04f76c0 [ 42.534519][ T6749] x29: ffff8000a04f78a0 x28: ffff0000d681b810 x27: 1fffe0001ad03744 [ 42.535833][ T6749] x26: ffff8000a04f7b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.537115][ T6749] x23: ffff0000d681ba20 x22: ffff0000d681b9f8 x21: 00000000ffffffea [ 42.538302][ T6749] x20: dfff800000000000 x19: ffff8000a04f79b0 x18: 0000000000000000 [ 42.539575][ T6749] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.540799][ T6749] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.542013][ T6749] x11: ffff0000cd9e3d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.543226][ T6749] x8 : ffff0000cd9e3d80 x7 : 0000000000000000 x6 : 000000000000003f [ 42.544467][ T6749] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.545672][ T6749] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.546951][ T6749] Call trace: [ 42.547421][ T6749] iopt_map_pages+0xd7c/0xdcc (P) [ 42.548209][ T6749] iopt_map_common+0x204/0x420 [ 42.548934][ T6749] iopt_map_user_pages+0xb4/0xd8 [ 42.549665][ T6749] iommufd_ioas_map+0x2d4/0x3d0 [ 42.550356][ T6749] iommufd_fops_ioctl+0x424/0x54c [ 42.551097][ T6749] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.551878][ T6749] invoke_syscall+0x98/0x254 [ 42.552589][ T6749] el0_svc_common+0xe8/0x23c [ 42.553213][ T6749] do_el0_svc+0x48/0x58 [ 42.553832][ T6749] el0_svc+0x5c/0x254 [ 42.554417][ T6749] el0t_64_sync_handler+0x84/0x12c [ 42.555180][ T6749] el0t_64_sync+0x198/0x19c [ 42.555876][ T6749] irq event stamp: 1010 [ 42.556499][ T6749] hardirqs last enabled at (1009): [] ___slab_alloc+0x808/0x127c [ 42.557942][ T6749] hardirqs last disabled at (1010): [] el1_brk64+0x20/0x54 [ 42.559308][ T6749] softirqs last enabled at (208): [] local_bh_enable+0x10/0x34 [ 42.560728][ T6749] softirqs last disabled at (206): [] local_bh_disable+0x10/0x34 [ 42.562138][ T6749] ---[ end trace 0000000000000000 ]--- [ 42.578121][ T67 ** replaying previous printk message ** [ 42.578121][ T6750] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.578488][ T6750] ------------[ cut here ]------------ [ 42.578493][ T6750] WARNING: CPU: 1 PID: 6750 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.582348][ T6750] Modules linked in: [ 42.582893][ T6750] CPU: 1 UID: 0 PID: 6750 Comm: syz.0.28 Tainted: G W syzkaller #0 PREEMPT [ 42.584406][ T6750] Tainted: [W]=WARN [ 42.585005][ T6750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.586679][ T6750] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.587894][ T6750] pc : iopt_map_pages+0xd7c/0xdcc [ 42.588683][ T6750] lr : iopt_map_pages+0xd7c/0xdcc [ 42.589457][ T6750] sp : ffff8000a29576c0 [ 42.590102][ T6750] x29: ffff8000a29578a0 x28: ffff0000d681d010 x27: 1fffe0001ad03a44 [ 42.591350][ T6750] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.592607][ T6750] x23: ffff0000d681d220 x22: ffff0000d681d1f8 x21: 00000000ffffffea [ 42.593971][ T6750] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 42.595233][ T6750] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.596445][ T6750] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.597793][ T6750] x11: ffff0000cd9e1ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.599047][ T6750] x8 : ffff0000cd9e1ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 42.600296][ T6750] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.601499][ T6750] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.602671][ T6750] Call trace: [ 42.603174][ T6750] iopt_map_pages+0xd7c/0xdcc (P) [ 42.603883][ T6750] iopt_map_common+0x204/0x420 [ 42.604613][ T6750] iopt_map_user_pages+0xb4/0xd8 [ 42.605341][ T6750] iommufd_ioas_map+0x2d4/0x3d0 [ 42.605969][ T6750] iommufd_fops_ioctl+0x424/0x54c [ 42.606632][ T6750] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.607451][ T6750] invoke_syscall+0x98/0x254 [ 42.608245][ T6750] el0_svc_common+0xe8/0x23c [ 42.608955][ T6750] do_el0_svc+0x48/0x58 [ 42.609618][ T6750] el0_svc+0x5c/0x254 [ 42.610239][ T6750] el0t_64_sync_handler+0x84/0x12c [ 42.611042][ T6750] el0t_64_sync+0x198/0x19c [ 42.611784][ T6750] irq event stamp: 948 [ 42.612505][ T6750] hardirqs last enabled at (947): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.614112][ T6750] hardirqs last disabled at (948): [] el1_brk64+0x20/0x54 [ 42.615551][ T6750] softirqs last enabled at (150): [] local_bh_enable+0x10/0x34 [ 42.617007][ T6750] softirqs last disabled at (148): [] local_bh_disable+0x10/0x34 [ 42.618594][ T6750] ---[ end trace 0000000000000000 ]--- [ 42.630297][ T67 ** replaying previous printk message ** [ 42.630297][ T6751] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.630664][ T6751] ------------[ cut here ]------------ [ 42.630668][ T6751] WARNING: CPU: 1 PID: 6751 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.634652][ T6751] Modules linked in: [ 42.635210][ T6751] CPU: 1 UID: 0 PID: 6751 Comm: syz.0.29 Tainted: G W syzkaller #0 PREEMPT [ 42.636705][ T6751] Tainted: [W]=WARN [ 42.637294][ T6751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.638806][ T6751] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.639984][ T6751] pc : iopt_map_pages+0xd7c/0xdcc [ 42.640742][ T6751] lr : iopt_map_pages+0xd7c/0xdcc [ 42.641534][ T6751] sp : ffff8000a29576c0 [ 42.642114][ T6751] x29: ffff8000a29578a0 x28: ffff0000c64bf810 x27: 1fffe00018c97f44 [ 42.643341][ T6751] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.644523][ T6751] x23: ffff0000c64bfa20 x22: ffff0000c64bf9f8 x21: 00000000ffffffea [ 42.645738][ T6751] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 42.646875][ T6751] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.648032][ T6751] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.649205][ T6751] x11: ffff0000d09b0000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.650441][ T6751] x8 : ffff0000d09b0000 x7 : 0000000000000000 x6 : 000000000000003f [ 42.651456][ T6751] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.652555][ T6751] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.653843][ T6751] Call trace: [ 42.654370][ T6751] iopt_map_pages+0xd7c/0xdcc (P) [ 42.655137][ T6751] iopt_map_common+0x204/0x420 [ 42.655859][ T6751] iopt_map_user_pages+0xb4/0xd8 [ 42.656579][ T6751] iommufd_ioas_map+0x2d4/0x3d0 [ 42.657222][ T6751] iommufd_fops_ioctl+0x424/0x54c [ 42.657988][ T6751] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.658712][ T6751] invoke_syscall+0x98/0x254 [ 42.659354][ T6751] el0_svc_common+0xe8/0x23c [ 42.659995][ T6751] do_el0_svc+0x48/0x58 [ 42.660593][ T6751] el0_svc+0x5c/0x254 [ 42.661192][ T6751] el0t_64_sync_handler+0x84/0x12c [ 42.662006][ T6751] el0t_64_sync+0x198/0x19c [ 42.662691][ T6751] irq event stamp: 986 [ 42.663261][ T6751] hardirqs last enabled at (985): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.664540][ T6751] hardirqs last disabled at (986): [] el1_brk64+0x20/0x54 [ 42.665771][ T6751] softirqs last enabled at (946): [] local_bh_enable+0x10/0x34 [ 42.667179][ T6751] softirqs last disabled at (944): [] local_bh_disable+0x10/0x34 [ 42.668529][ T6751] ---[ end trace 0000000000000000 ]--- [ 42.680985][ T6752] i ** replaying previous printk message ** [ 42.680985][ T6752] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.681395][ T6752] ------------[ cut here ]------------ [ 42.681400][ T6752] WARNING: CPU: 1 PID: 6752 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.685677][ T6752] Modules linked in: [ 42.686288][ T6752] CPU: 1 UID: 0 PID: 6752 Comm: syz.0.30 Tainted: G W syzkaller #0 PREEMPT [ 42.687910][ T6752] Tainted: [W]=WARN [ 42.688541][ T6752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.690082][ T6752] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.691277][ T6752] pc : iopt_map_pages+0xd7c/0xdcc [ 42.691995][ T6752] lr : iopt_map_pages+0xd7c/0xdcc [ 42.692715][ T6752] sp : ffff8000a29576c0 [ 42.693340][ T6752] x29: ffff8000a29578a0 x28: ffff0000c64bd810 x27: 1fffe00018c97b44 [ 42.694547][ T6752] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.695762][ T6752] x23: ffff0000c64bda20 x22: ffff0000c64bd9f8 x21: 00000000ffffffea [ 42.697007][ T6752] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 42.698206][ T6752] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.699330][ T6752] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.700532][ T6752] x11: ffff0000cb249ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.701702][ T6752] x8 : ffff0000cb249ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 42.702951][ T6752] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.704131][ T6752] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.705296][ T6752] Call trace: [ 42.705801][ T6752] iopt_map_pages+0xd7c/0xdcc (P) [ 42.706593][ T6752] iopt_map_common+0x204/0x420 [ 42.707304][ T6752] iopt_map_user_pages+0xb4/0xd8 [ 42.708032][ T6752] iommufd_ioas_map+0x2d4/0x3d0 [ 42.708800][ T6752] iommufd_fops_ioctl+0x424/0x54c [ 42.709450][ T6752] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.710145][ T6752] invoke_syscall+0x98/0x254 [ 42.710794][ T6752] el0_svc_common+0xe8/0x23c [ 42.711483][ T6752] do_el0_svc+0x48/0x58 [ 42.712142][ T6752] el0_svc+0x5c/0x254 [ 42.712708][ T6752] el0t_64_sync_handler+0x84/0x12c [ 42.713480][ T6752] el0t_64_sync+0x198/0x19c [ 42.714174][ T6752] irq event stamp: 2570 [ 42.714738][ T6752] hardirqs last enabled at (2569): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.716110][ T6752] hardirqs last disabled at (2570): [] el1_brk64+0x20/0x54 [ 42.717398][ T6752] softirqs last enabled at (150): [] local_bh_enable+0x10/0x34 [ 42.718769][ T6752] softirqs last disabled at (148): [] local_bh_disable+0x10/0x34 [ 42.720133][ T6752] ---[ end trace 0000000000000000 ]--- [ 42.743604][ T675 ** replaying previous printk message ** [ 42.743604][ T6753] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.743973][ T6753] ------------[ cut here ]------------ [ 42.743978][ T6753] WARNING: CPU: 1 PID: 6753 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.748043][ T6753] Modules linked in: [ 42.748657][ T6753] CPU: 1 UID: 0 PID: 6753 Comm: syz.0.31 Tainted: G W syzkaller #0 PREEMPT [ 42.750221][ T6753] Tainted: [W]=WARN [ 42.750808][ T6753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.752330][ T6753] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.753446][ T6753] pc : iopt_map_pages+0xd7c/0xdcc [ 42.754294][ T6753] lr : iopt_map_pages+0xd7c/0xdcc [ 42.755016][ T6753] sp : ffff8000a29d76c0 [ 42.755575][ T6753] x29: ffff8000a29d78a0 x28: ffff0000c64bc010 x27: 1fffe00018c97844 [ 42.756945][ T6753] x26: ffff8000a29d7b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.758230][ T6753] x23: ffff0000c64bc220 x22: ffff0000c64bc1f8 x21: 00000000ffffffea [ 42.759493][ T6753] x20: dfff800000000000 x19: ffff8000a29d79b0 x18: 0000000000000000 [ 42.760735][ T6753] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.762007][ T6753] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.763205][ T6753] x11: ffff0000d8ffdc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.764509][ T6753] x8 : ffff0000d8ffdc40 x7 : 0000000000000000 x6 : 000000000000003f [ 42.765727][ T6753] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.766970][ T6753] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.768243][ T6753] Call trace: [ 42.768810][ T6753] iopt_map_pages+0xd7c/0xdcc (P) [ 42.769618][ T6753] iopt_map_common+0x204/0x420 [ 42.770317][ T6753] iopt_map_user_pages+0xb4/0xd8 [ 42.771066][ T6753] iommufd_ioas_map+0x2d4/0x3d0 [ 42.771811][ T6753] iommufd_fops_ioctl+0x424/0x54c [ 42.772562][ T6753] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.773323][ T6753] invoke_syscall+0x98/0x254 [ 42.774067][ T6753] el0_svc_common+0xe8/0x23c [ 42.774754][ T6753] do_el0_svc+0x48/0x58 [ 42.775410][ T6753] el0_svc+0x5c/0x254 [ 42.776024][ T6753] el0t_64_sync_handler+0x84/0x12c [ 42.776814][ T6753] el0t_64_sync+0x198/0x19c [ 42.777543][ T6753] irq event stamp: 926 [ 42.778171][ T6753] hardirqs last enabled at (925): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.779754][ T6753] hardirqs last disabled at (926): [] el1_brk64+0x20/0x54 [ 42.781154][ T6753] softirqs last enabled at (134): [] local_bh_enable+0x10/0x34 [ 42.782541][ T6753] softirqs last disabled at (132): [] local_bh_disable+0x10/0x34 [ 42.783928][ T6753] ---[ end trace 0000000000000000 ]--- [ 42.793443][ T6754] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.795309][ T6754] ------------[ cut here ]------------ [ 42.795315][ T6754] WARNING: CPU: 1 PID: 6754 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.797748][ T6754] Modules linked in: [ 42.798384][ T6754] CPU: 1 UID: 0 PID: 6754 Comm: syz.0.32 Tainted: G W syzkaller #0 PREEMPT [ 42.799821][ T6754] Tainted: [W]=WARN [ 42.800357][ T6754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.801803][ T6754] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.802946][ T6754] pc : iopt_map_pages+0xd7c/0xdcc [ 42.803667][ T6754] lr : iopt_map_pages+0xd7c/0xdcc [ 42.804493][ T6754] sp : ffff8000a29576c0 [ 42.805161][ T6754] x29: ffff8000a29578a0 x28: ffff0000dc076810 x27: 1fffe0001b80ed44 [ 42.806345][ T6754] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.807446][ T6754] x23: ffff0000dc076a20 x22: ffff0000dc0769f8 x21: 00000000ffffffea [ 42.808605][ T6754] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 42.809718][ T6754] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.810906][ T6754] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.812091][ T6754] x11: ffff0000cb24dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.813283][ T6754] x8 : ffff0000cb24dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 42.814423][ T6754] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.815580][ T6754] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.816806][ T6754] Call trace: [ 42.817278][ T6754] iopt_map_pages+0xd7c/0xdcc (P) [ 42.818074][ T6754] iopt_map_common+0x204/0x420 [ 42.818732][ T6754] iopt_map_user_pages+0xb4/0xd8 [ 42.819471][ T6754] iommufd_ioas_map+0x2d4/0x3d0 [ 42.820236][ T6754] iommufd_fops_ioctl+0x424/0x54c [ 42.820946][ T6754] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.821628][ T6754] invoke_syscall+0x98/0x254 [ 42.822290][ T6754] el0_svc_common+0xe8/0x23c [ 42.822969][ T6754] do_el0_svc+0x48/0x58 [ 42.823617][ T6754] el0_svc+0x5c/0x254 [ 42.824209][ T6754] el0t_64_sync_handler+0x84/0x12c [ 42.824985][ T6754] el0t_64_sync+0x198/0x19c [ 42.825670][ T6754] irq event stamp: 1824 [ 42.826222][ T6754] hardirqs last enabled at (1823): [] ___slab_alloc+0x808/0x127c [ 42.827505][ T6754] hardirqs last disabled at (1824): [] el1_brk64+0x20/0x54 [ 42.828730][ T6754] softirqs last enabled at (1782): [] local_bh_enable+0x10/0x34 [ 42.830108][ T6754] softirqs last disabled at (1780): [] local_bh_disable+0x10/0x34 [ 42.831473][ T6754] ---[ end trace 0000000000000000 ]--- [ 42.849286][ T6755] iommufd_mock iommufd_mock0: Adding to iomm ** replaying previous printk message ** [ 42.849286][ T6755] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.850267][ T6755] ------------[ cut here ]------------ [ 42.850273][ T6755] WARNING: CPU: 1 PID: 6755 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.854323][ T6755] Modules linked in: [ 42.854926][ T6755] CPU: 1 UID: 0 PID: 6755 Comm: syz.0.33 Tainted: G W syzkaller #0 PREEMPT [ 42.856536][ T6755] Tainted: [W]=WARN [ 42.857164][ T6755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.858604][ T6755] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.859762][ T6755] pc : iopt_map_pages+0xd7c/0xdcc [ 42.860560][ T6755] lr : iopt_map_pages+0xd7c/0xdcc [ 42.861359][ T6755] sp : ffff8000a29d76c0 [ 42.861958][ T6755] x29: ffff8000a29d78a0 x28: ffff0000c64b8810 x27: 1fffe00018c97144 [ 42.863211][ T6755] x26: ffff8000a29d7b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.864436][ T6755] x23: ffff0000c64b8a20 x22: ffff0000c64b89f8 x21: 00000000ffffffea [ 42.865596][ T6755] x20: dfff800000000000 x19: ffff8000a29d79b0 x18: 0000000000000000 [ 42.866760][ T6755] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.867959][ T6755] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.869164][ T6755] x11: ffff0000cac70000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.870343][ T6755] x8 : ffff0000cac70000 x7 : 0000000000000000 x6 : 000000000000003f [ 42.871558][ T6755] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.872763][ T6755] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.873975][ T6755] Call trace: [ 42.874465][ T6755] iopt_map_pages+0xd7c/0xdcc (P) [ 42.875222][ T6755] iopt_map_common+0x204/0x420 [ 42.875972][ T6755] iopt_map_user_pages+0xb4/0xd8 [ 42.876659][ T6755] iommufd_ioas_map+0x2d4/0x3d0 [ 42.877384][ T6755] iommufd_fops_ioctl+0x424/0x54c [ 42.878099][ T6755] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.878804][ T6755] invoke_syscall+0x98/0x254 [ 42.879449][ T6755] el0_svc_common+0xe8/0x23c [ 42.880115][ T6755] do_el0_svc+0x48/0x58 [ 42.880714][ T6755] el0_svc+0x5c/0x254 [ 42.881293][ T6755] el0t_64_sync_handler+0x84/0x12c [ 42.882008][ T6755] el0t_64_sync+0x198/0x19c [ 42.882696][ T6755] irq event stamp: 2246 [ 42.883287][ T6755] hardirqs last enabled at (2245): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.884772][ T6755] hardirqs last disabled at (2246): [] el1_brk64+0x20/0x54 [ 42.886050][ T6755] softirqs last enabled at (2212): [] local_bh_enable+0x10/0x34 [ 42.887522][ T6755] softirqs last disabled at (2210): [] local_bh_disable+0x10/0x34 [ 42.888807][ T6755] ---[ end trace 0000000000000000 ]--- [ 42.901277][ T6756] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.902603][ T6756] ------------[ cut here ]------------ [ 42.902614][ T6756] WARNING: CPU: 1 PID: 6756 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.905239][ T6756] Modules linked in: [ 42.905901][ T6756] CPU: 1 UID: 0 PID: 6756 Comm: syz.0.34 Tainted: G W syzkaller #0 PREEMPT [ 42.907527][ T6756] Tainted: [W]=WARN [ 42.908095][ T6756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.909713][ T6756] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.910925][ T6756] pc : iopt_map_pages+0xd7c/0xdcc [ 42.911692][ T6756] lr : iopt_map_pages+0xd7c/0xdcc [ 42.912468][ T6756] sp : ffff8000a29576c0 [ 42.913162][ T6756] x29: ffff8000a29578a0 x28: ffff0000dc075810 x27: 1fffe0001b80eb44 [ 42.914419][ T6756] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.915662][ T6756] x23: ffff0000dc075a20 x22: ffff0000dc0759f8 x21: 00000000ffffffea [ 42.916792][ T6756] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 42.917961][ T6756] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.919089][ T6756] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.920345][ T6756] x11: ffff0000c9b0dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.921613][ T6756] x8 : ffff0000c9b0dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 42.922817][ T6756] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.924011][ T6756] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.925227][ T6756] Call trace: [ 42.925680][ T6756] iopt_map_pages+0xd7c/0xdcc (P) [ 42.926454][ T6756] iopt_map_common+0x204/0x420 [ 42.927146][ T6756] iopt_map_user_pages+0xb4/0xd8 [ 42.927868][ T6756] iommufd_ioas_map+0x2d4/0x3d0 [ 42.928588][ T6756] iommufd_fops_ioctl+0x424/0x54c [ 42.929295][ T6756] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.930014][ T6756] invoke_syscall+0x98/0x254 [ 42.930786][ T6756] el0_svc_common+0xe8/0x23c [ 42.931479][ T6756] do_el0_svc+0x48/0x58 [ 42.932069][ T6756] el0_svc+0x5c/0x254 [ 42.932661][ T6756] el0t_64_sync_handler+0x84/0x12c [ 42.933401][ T6756] el0t_64_sync+0x198/0x19c [ 42.934044][ T6756] irq event stamp: 924 [ 42.934579][ T6756] hardirqs last enabled at (923): [] ___slab_alloc+0x808/0x127c [ 42.935949][ T6756] hardirqs last disabled at (924): [] el1_brk64+0x20/0x54 [ 42.937214][ T6756] softirqs last enabled at (878): [] local_bh_enable+0x10/0x34 [ 42.938531][ T6756] softirqs last disabled at (876): [] local_bh_disable+0x10/0x34 [ 42.939812][ T6756] ---[ end trace 0000000000000000 ]--- [ 42.945205][ T6618] Bluetooth: hci0: command tx timeout [ 42.951156][ T6757] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 42.952513][ T6757] ------------[ cut here ]------------ [ 42.952523][ T6757] WARNING: CPU: 1 PID: 6757 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 42.955229][ T6757] Modules linked in: [ 42.955826][ T6757] CPU: 1 UID: 0 PID: 6757 Comm: syz.0.35 Tainted: G W syzkaller #0 PREEMPT [ 42.957425][ T6757] Tainted: [W]=WARN [ 42.958052][ T6757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.959698][ T6757] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 42.960885][ T6757] pc : iopt_map_pages+0xd7c/0xdcc [ 42.961666][ T6757] lr : iopt_map_pages+0xd7c/0xdcc [ 42.962441][ T6757] sp : ffff8000a29576c0 [ 42.963046][ T6757] x29: ffff8000a29578a0 x28: ffff0000dc074810 x27: 1fffe0001b80e944 [ 42.964259][ T6757] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 42.965471][ T6757] x23: ffff0000dc074a20 x22: ffff0000dc0749f8 x21: 00000000ffffffea [ 42.966664][ T6757] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 42.967857][ T6757] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 42.969086][ T6757] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 42.970399][ T6757] x11: ffff0000ce118000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 42.971686][ T6757] x8 : ffff0000ce118000 x7 : 0000000000000000 x6 : 000000000000003f [ 42.972935][ T6757] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 42.974165][ T6757] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 42.975495][ T6757] Call trace: [ 42.976032][ T6757] iopt_map_pages+0xd7c/0xdcc (P) [ 42.976822][ T6757] iopt_map_common+0x204/0x420 [ 42.977604][ T6757] iopt_map_user_pages+0xb4/0xd8 [ 42.978375][ T6757] iommufd_ioas_map+0x2d4/0x3d0 [ 42.979109][ T6757] iommufd_fops_ioctl+0x424/0x54c [ 42.979879][ T6757] __arm64_sys_ioctl+0x14c/0x1c4 [ 42.980623][ T6757] invoke_syscall+0x98/0x254 [ 42.981258][ T6757] el0_svc_common+0xe8/0x23c [ 42.981982][ T6757] do_el0_svc+0x48/0x58 [ 42.982622][ T6757] el0_svc+0x5c/0x254 [ 42.983193][ T6757] el0t_64_sync_handler+0x84/0x12c [ 42.983955][ T6757] el0t_64_sync+0x198/0x19c [ 42.984624][ T6757] irq event stamp: 936 [ 42.985261][ T6757] hardirqs last enabled at (935): [] kasan_quarantine_put+0x1a0/0x1c8 [ 42.986719][ T6757] hardirqs last disabled at (936): [] el1_brk64+0x20/0x54 [ 42.988048][ T6757] softirqs last enabled at (902): [] local_bh_enable+0x10/0x34 [ 42.989347][ T6757] softirqs last disabled at (900): [] local_bh_disable+0x10/0x34 [ 42.990745][ T6757] ---[ end trace 0000000000000000 ]--- [ 43.006294][ T6758 ** replaying previous printk message ** [ 43.006294][ T6758] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.006646][ T6758] ------------[ cut here ]------------ [ 43.006651][ T6758] WARNING: CPU: 1 PID: 6758 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.010930][ T6758] Modules linked in: [ 43.011575][ T6758] CPU: 1 UID: 0 PID: 6758 Comm: syz.0.36 Tainted: G W syzkaller #0 PREEMPT [ 43.013127][ T6758] Tainted: [W]=WARN [ 43.013731][ T6758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.015194][ T6758] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.016393][ T6758] pc : iopt_map_pages+0xd7c/0xdcc [ 43.017152][ T6758] lr : iopt_map_pages+0xd7c/0xdcc [ 43.017905][ T6758] sp : ffff8000a04876c0 [ 43.018495][ T6758] x29: ffff8000a04878a0 x28: ffff0000cb0d9810 x27: 1fffe0001961b344 [ 43.019630][ T6758] x26: ffff8000a0487b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.020889][ T6758] x23: ffff0000cb0d9a20 x22: ffff0000cb0d99f8 x21: 00000000ffffffea [ 43.022110][ T6758] x20: dfff800000000000 x19: ffff8000a04879b0 x18: 0000000000000000 [ 43.023323][ T6758] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.024528][ T6758] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.025702][ T6758] x11: ffff0000cb5d0000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.026914][ T6758] x8 : ffff0000cb5d0000 x7 : 0000000000000000 x6 : 000000000000003f [ 43.028078][ T6758] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.029260][ T6758] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.030516][ T6758] Call trace: [ 43.031001][ T6758] iopt_map_pages+0xd7c/0xdcc (P) [ 43.031735][ T6758] iopt_map_common+0x204/0x420 [ 43.032697][ T6758] iopt_map_user_pages+0xb4/0xd8 [ 43.033515][ T6758] iommufd_ioas_map+0x2d4/0x3d0 [ 43.034279][ T6758] iommufd_fops_ioctl+0x424/0x54c [ 43.035052][ T6758] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.035837][ T6758] invoke_syscall+0x98/0x254 [ 43.036584][ T6758] el0_svc_common+0xe8/0x23c [ 43.037288][ T6758] do_el0_svc+0x48/0x58 [ 43.037898][ T6758] el0_svc+0x5c/0x254 [ 43.038484][ T6758] el0t_64_sync_handler+0x84/0x12c [ 43.039200][ T6758] el0t_64_sync+0x198/0x19c [ 43.039872][ T6758] irq event stamp: 1890 [ 43.040473][ T6758] hardirqs last enabled at (1889): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.041954][ T6758] hardirqs last disabled at (1890): [] el1_brk64+0x20/0x54 [ 43.043318][ T6758] softirqs last enabled at (1124): [] local_bh_enable+0x10/0x34 [ 43.044731][ T6758] softirqs last disabled at (1122): [] local_bh_disable+0x10/0x34 [ 43.046058][ T6758] ---[ end trace 0000000000000000 ]--- [ 43.055964][ T6 ** replaying previous printk message ** [ 43.055964][ T6759] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.056320][ T6759] ------------[ cut here ]------------ [ 43.056324][ T6759] WARNING: CPU: 1 PID: 6759 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.060527][ T6759] Modules linked in: [ 43.061172][ T6759] CPU: 1 UID: 0 PID: 6759 Comm: syz.0.37 Tainted: G W syzkaller #0 PREEMPT [ 43.062735][ T6759] Tainted: [W]=WARN [ 43.063323][ T6759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.064858][ T6759] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.066147][ T6759] pc : iopt_map_pages+0xd7c/0xdcc [ 43.066961][ T6759] lr : iopt_map_pages+0xd7c/0xdcc [ 43.067702][ T6759] sp : ffff8000a08f76c0 [ 43.068370][ T6759] x29: ffff8000a08f78a0 x28: ffff0000cb0da810 x27: 1fffe0001961b544 [ 43.069599][ T6759] x26: ffff8000a08f7b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.070793][ T6759] x23: ffff0000cb0daa20 x22: ffff0000cb0da9f8 x21: 00000000ffffffea [ 43.072042][ T6759] x20: dfff800000000000 x19: ffff8000a08f79b0 x18: 0000000000000000 [ 43.073284][ T6759] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.074488][ T6759] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.075801][ T6759] x11: ffff0000c8cddc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.076959][ T6759] x8 : ffff0000c8cddc40 x7 : 0000000000000000 x6 : 000000000000003f [ 43.078152][ T6759] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.079317][ T6759] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.080463][ T6759] Call trace: [ 43.081014][ T6759] iopt_map_pages+0xd7c/0xdcc (P) [ 43.081802][ T6759] iopt_map_common+0x204/0x420 [ 43.082548][ T6759] iopt_map_user_pages+0xb4/0xd8 [ 43.083341][ T6759] iommufd_ioas_map+0x2d4/0x3d0 [ 43.084051][ T6759] iommufd_fops_ioctl+0x424/0x54c [ 43.084821][ T6759] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.085521][ T6759] invoke_syscall+0x98/0x254 [ 43.086260][ T6759] el0_svc_common+0xe8/0x23c [ 43.086925][ T6759] do_el0_svc+0x48/0x58 [ 43.087507][ T6759] el0_svc+0x5c/0x254 [ 43.088075][ T6759] el0t_64_sync_handler+0x84/0x12c [ 43.088833][ T6759] el0t_64_sync+0x198/0x19c [ 43.089485][ T6759] irq event stamp: 1072 [ 43.090139][ T6759] hardirqs last enabled at (1071): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.091605][ T6759] hardirqs last disabled at (1072): [] el1_brk64+0x20/0x54 [ 43.092934][ T6759] softirqs last enabled at (286): [] local_bh_enable+0x10/0x34 [ 43.094298][ T6759] softirqs last disabled at (284): [] local_bh_disable+0x10/0x34 [ 43.095714][ T6759] ---[ end trace 0000000000000000 ]--- [ 43.106264][ T676 ** replaying previous printk message ** [ 43.106264][ T6760] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.106618][ T6760] ------------[ cut here ]------------ [ 43.106622][ T6760] WARNING: CPU: 1 PID: 6760 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.110731][ T6760] Modules linked in: [ 43.111303][ T6760] CPU: 1 UID: 0 PID: 6760 Comm: syz.0.38 Tainted: G W syzkaller #0 PREEMPT [ 43.112827][ T6760] Tainted: [W]=WARN [ 43.113459][ T6760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.115106][ T6760] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.116380][ T6760] pc : iopt_map_pages+0xd7c/0xdcc [ 43.117208][ T6760] lr : iopt_map_pages+0xd7c/0xdcc [ 43.117985][ T6760] sp : ffff8000a08b76c0 [ 43.118679][ T6760] x29: ffff8000a08b78a0 x28: ffff0000cb0db810 x27: 1fffe0001961b744 [ 43.119875][ T6760] x26: ffff8000a08b7b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.121008][ T6760] x23: ffff0000cb0dba20 x22: ffff0000cb0db9f8 x21: 00000000ffffffea [ 43.122184][ T6760] x20: dfff800000000000 x19: ffff8000a08b79b0 x18: 0000000000000000 [ 43.123396][ T6760] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.124596][ T6760] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.125874][ T6760] x11: ffff0000c8cd9ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.127025][ T6760] x8 : ffff0000c8cd9ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 43.128239][ T6760] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.129467][ T6760] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.130725][ T6760] Call trace: [ 43.131271][ T6760] iopt_map_pages+0xd7c/0xdcc (P) [ 43.132025][ T6760] iopt_map_common+0x204/0x420 [ 43.132750][ T6760] iopt_map_user_pages+0xb4/0xd8 [ 43.133561][ T6760] iommufd_ioas_map+0x2d4/0x3d0 [ 43.134351][ T6760] iommufd_fops_ioctl+0x424/0x54c [ 43.135107][ T6760] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.135862][ T6760] invoke_syscall+0x98/0x254 [ 43.136562][ T6760] el0_svc_common+0xe8/0x23c [ 43.137211][ T6760] do_el0_svc+0x48/0x58 [ 43.137865][ T6760] el0_svc+0x5c/0x254 [ 43.138431][ T6760] el0t_64_sync_handler+0x84/0x12c [ 43.139199][ T6760] el0t_64_sync+0x198/0x19c [ 43.139878][ T6760] irq event stamp: 2434 [ 43.140545][ T6760] hardirqs last enabled at (2433): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.141976][ T6760] hardirqs last disabled at (2434): [] el1_brk64+0x20/0x54 [ 43.143173][ T6760] softirqs last enabled at (1274): [] handle_softirqs+0xaf8/0xc88 [ 43.144493][ T6760] softirqs last disabled at (307): [] __do_softirq+0x14/0x20 [ 43.145532][ T6760] ---[ end trace 0000000000000000 ]--- [ 43.155924][ T6761 ** replaying previous printk message ** [ 43.155924][ T6761] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.156296][ T6761] ------------[ cut here ]------------ [ 43.156301][ T6761] WARNING: CPU: 1 PID: 6761 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.160134][ T6761] Modules linked in: [ 43.160720][ T6761] CPU: 1 UID: 0 PID: 6761 Comm: syz.0.39 Tainted: G W syzkaller #0 PREEMPT [ 43.162331][ T6761] Tainted: [W]=WARN [ 43.162968][ T6761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.164610][ T6761] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.165789][ T6761] pc : iopt_map_pages+0xd7c/0xdcc [ 43.166554][ T6761] lr : iopt_map_pages+0xd7c/0xdcc [ 43.167371][ T6761] sp : ffff8000a08a76c0 [ 43.168031][ T6761] x29: ffff8000a08a78a0 x28: ffff0000cb0dc810 x27: 1fffe0001961b944 [ 43.169277][ T6761] x26: ffff8000a08a7b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.170591][ T6761] x23: ffff0000cb0dca20 x22: ffff0000cb0dc9f8 x21: 00000000ffffffea [ 43.171884][ T6761] x20: dfff800000000000 x19: ffff8000a08a79b0 x18: 0000000000000000 [ 43.173071][ T6761] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.174287][ T6761] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.175508][ T6761] x11: ffff0000c8cdbd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.176817][ T6761] x8 : ffff0000c8cdbd80 x7 : 0000000000000000 x6 : 000000000000003f [ 43.178029][ T6761] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.179287][ T6761] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.180553][ T6761] Call trace: [ 43.181036][ T6761] iopt_map_pages+0xd7c/0xdcc (P) [ 43.181853][ T6761] iopt_map_common+0x204/0x420 [ 43.182564][ T6761] iopt_map_user_pages+0xb4/0xd8 [ 43.183354][ T6761] iommufd_ioas_map+0x2d4/0x3d0 [ 43.184094][ T6761] iommufd_fops_ioctl+0x424/0x54c [ 43.184859][ T6761] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.185604][ T6761] invoke_syscall+0x98/0x254 [ 43.186265][ T6761] el0_svc_common+0xe8/0x23c [ 43.186943][ T6761] do_el0_svc+0x48/0x58 [ 43.187551][ T6761] el0_svc+0x5c/0x254 [ 43.188112][ T6761] el0t_64_sync_handler+0x84/0x12c [ 43.188878][ T6761] el0t_64_sync+0x198/0x19c [ 43.189564][ T6761] irq event stamp: 2300 [ 43.190179][ T6761] hardirqs last enabled at (2299): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.191612][ T6761] hardirqs last disabled at (2300): [] el1_brk64+0x20/0x54 [ 43.192965][ T6761] softirqs last enabled at (1358): [] handle_softirqs+0xaf8/0xc88 [ 43.194259][ T6761] softirqs last disabled at (543): [] __do_softirq+0x14/0x20 [ 43.195550][ T6761] ---[ end trace 0000000000000000 ]--- [ 43.206247][ T6762] ** replaying previous printk message ** [ 43.206247][ T6762] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.206618][ T6762] ------------[ cut here ]------------ [ 43.206622][ T6762] WARNING: CPU: 1 PID: 6762 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.210832][ T6762] Modules linked in: [ 43.211437][ T6762] CPU: 1 UID: 0 PID: 6762 Comm: syz.0.40 Tainted: G W syzkaller #0 PREEMPT [ 43.212947][ T6762] Tainted: [W]=WARN [ 43.213484][ T6762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.215013][ T6762] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.216264][ T6762] pc : iopt_map_pages+0xd7c/0xdcc [ 43.217085][ T6762] lr : iopt_map_pages+0xd7c/0xdcc [ 43.217820][ T6762] sp : ffff8000a08976c0 [ 43.218477][ T6762] x29: ffff8000a08978a0 x28: ffff0000cb0dd810 x27: 1fffe0001961bb44 [ 43.219752][ T6762] x26: ffff8000a0897b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.221008][ T6762] x23: ffff0000cb0dda20 x22: ffff0000cb0dd9f8 x21: 00000000ffffffea [ 43.222289][ T6762] x20: dfff800000000000 x19: ffff8000a08979b0 x18: 0000000000000000 [ 43.223527][ T6762] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.224814][ T6762] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.226221][ T6762] x11: ffff0000c8cd8000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.227436][ T6762] x8 : ffff0000c8cd8000 x7 : 0000000000000000 x6 : 000000000000003f [ 43.228680][ T6762] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.229881][ T6762] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.231117][ T6762] Call trace: [ 43.231583][ T6762] iopt_map_pages+0xd7c/0xdcc (P) [ 43.232346][ T6762] iopt_map_common+0x204/0x420 [ 43.233040][ T6762] iopt_map_user_pages+0xb4/0xd8 [ 43.233759][ T6762] iommufd_ioas_map+0x2d4/0x3d0 [ 43.234515][ T6762] iommufd_fops_ioctl+0x424/0x54c [ 43.235245][ T6762] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.236078][ T6762] invoke_syscall+0x98/0x254 [ 43.236848][ T6762] el0_svc_common+0xe8/0x23c [ 43.237613][ T6762] do_el0_svc+0x48/0x58 [ 43.238290][ T6762] el0_svc+0x5c/0x254 [ 43.238883][ T6762] el0t_64_sync_handler+0x84/0x12c [ 43.239713][ T6762] el0t_64_sync+0x198/0x19c [ 43.240440][ T6762] irq event stamp: 1778 [ 43.241036][ T6762] hardirqs last enabled at (1777): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.242546][ T6762] hardirqs last disabled at (1778): [] el1_brk64+0x20/0x54 [ 43.243952][ T6762] softirqs last enabled at (974): [] local_bh_enable+0x10/0x34 [ 43.245346][ T6762] softirqs last disabled at (972): [] local_bh_disable+0x10/0x34 [ 43.246785][ T6762] ---[ end trace 0000000000000000 ]--- [ 43.258324][ T6763] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.259659][ T6763] ------------[ cut here ]------------ [ 43.259671][ T6763] WARNING: CPU: 1 PID: 6763 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.262221][ T6763] Modules linked in: [ 43.262779][ T6763] CPU: 1 UID: 0 PID: 6763 Comm: syz.0.41 Tainted: G W syzkaller #0 PREEMPT [ 43.264298][ T6763] Tainted: [W]=WARN [ 43.264826][ T6763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.266296][ T6763] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.267457][ T6763] pc : iopt_map_pages+0xd7c/0xdcc [ 43.268209][ T6763] lr : iopt_map_pages+0xd7c/0xdcc [ 43.268971][ T6763] sp : ffff8000a08876c0 [ 43.269623][ T6763] x29: ffff8000a08878a0 x28: ffff0000cc4f4010 x27: 1fffe0001989e844 [ 43.270871][ T6763] x26: ffff8000a0887b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.272161][ T6763] x23: ffff0000cc4f4220 x22: ffff0000cc4f41f8 x21: 00000000ffffffea [ 43.273385][ T6763] x20: dfff800000000000 x19: ffff8000a08879b0 x18: 0000000000000000 [ 43.274529][ T6763] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.275762][ T6763] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.276864][ T6763] x11: ffff0000d0c60000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.278094][ T6763] x8 : ffff0000d0c60000 x7 : 0000000000000000 x6 : 000000000000003f [ 43.279243][ T6763] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.280400][ T6763] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.281561][ T6763] Call trace: [ 43.282042][ T6763] iopt_map_pages+0xd7c/0xdcc (P) [ 43.282785][ T6763] iopt_map_common+0x204/0x420 [ 43.283483][ T6763] iopt_map_user_pages+0xb4/0xd8 [ 43.284230][ T6763] iommufd_ioas_map+0x2d4/0x3d0 [ 43.284871][ T6763] iommufd_fops_ioctl+0x424/0x54c [ 43.285635][ T6763] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.286409][ T6763] invoke_syscall+0x98/0x254 [ 43.287122][ T6763] el0_svc_common+0xe8/0x23c [ 43.287863][ T6763] do_el0_svc+0x48/0x58 [ 43.288465][ T6763] el0_svc+0x5c/0x254 [ 43.289052][ T6763] el0t_64_sync_handler+0x84/0x12c [ 43.289783][ T6763] el0t_64_sync+0x198/0x19c [ 43.290401][ T6763] irq event stamp: 936 [ 43.291000][ T6763] hardirqs last enabled at (935): [] ___slab_alloc+0x808/0x127c [ 43.292312][ T6763] hardirqs last disabled at (936): [] el1_brk64+0x20/0x54 [ 43.293557][ T6763] softirqs last enabled at (898): [] local_bh_enable+0x10/0x34 [ 43.294917][ T6763] softirqs last disabled at (896): [] local_bh_disable+0x10/0x34 [ 43.296364][ T6763] ---[ end trace 0000000000000000 ]--- [ 43.307155][ T67 ** replaying previous printk message ** [ 43.307155][ T6764] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.307515][ T6764] ------------[ cut here ]------------ [ 43.307520][ T6764] WARNING: CPU: 1 PID: 6764 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.311611][ T6764] Modules linked in: [ 43.312185][ T6764] CPU: 1 UID: 0 PID: 6764 Comm: syz.0.42 Tainted: G W syzkaller #0 PREEMPT [ 43.313658][ T6764] Tainted: [W]=WARN [ 43.314179][ T6764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.315800][ T6764] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.317017][ T6764] pc : iopt_map_pages+0xd7c/0xdcc [ 43.317750][ T6764] lr : iopt_map_pages+0xd7c/0xdcc [ 43.318515][ T6764] sp : ffff8000a08776c0 [ 43.319099][ T6764] x29: ffff8000a08778a0 x28: ffff0000cb0de810 x27: 1fffe0001961bd44 [ 43.320374][ T6764] x26: ffff8000a0877b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.321571][ T6764] x23: ffff0000cb0dea20 x22: ffff0000cb0de9f8 x21: 00000000ffffffea [ 43.322719][ T6764] x20: dfff800000000000 x19: ffff8000a08779b0 x18: 0000000000000000 [ 43.323857][ T6764] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.324977][ T6764] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.326092][ T6764] x11: ffff0000d0c65c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.327170][ T6764] x8 : ffff0000d0c65c40 x7 : 0000000000000000 x6 : 000000000000003f [ 43.328307][ T6764] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.329471][ T6764] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.330663][ T6764] Call trace: [ 43.331167][ T6764] iopt_map_pages+0xd7c/0xdcc (P) [ 43.331882][ T6764] iopt_map_common+0x204/0x420 [ 43.332638][ T6764] iopt_map_user_pages+0xb4/0xd8 [ 43.333413][ T6764] iommufd_ioas_map+0x2d4/0x3d0 [ 43.334179][ T6764] iommufd_fops_ioctl+0x424/0x54c [ 43.335037][ T6764] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.335837][ T6764] invoke_syscall+0x98/0x254 [ 43.336541][ T6764] el0_svc_common+0xe8/0x23c [ 43.337254][ T6764] do_el0_svc+0x48/0x58 [ 43.337954][ T6764] el0_svc+0x5c/0x254 [ 43.338608][ T6764] el0t_64_sync_handler+0x84/0x12c [ 43.339374][ T6764] el0t_64_sync+0x198/0x19c [ 43.340100][ T6764] irq event stamp: 986 [ 43.340771][ T6764] hardirqs last enabled at (985): [] ___slab_alloc+0x808/0x127c [ 43.342216][ T6764] hardirqs last disabled at (986): [] el1_brk64+0x20/0x54 [ 43.343581][ T6764] softirqs last enabled at (166): [] local_bh_enable+0x10/0x34 [ 43.345026][ T6764] softirqs last disabled at (164): [] local_bh_disable+0x10/0x34 [ 43.346430][ T6764] ---[ end trace 0000000000000000 ]--- [ 43.357286][ T6765] iommufd_mock iommufd_mock0: Adding to iommu group 0 ** replaying previous printk message ** [ 43.357286][ T6765] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.358367][ T6765] ------------[ cut here ]------------ [ 43.358373][ T6765] WARNING: CPU: 1 PID: 6765 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.362563][ T6765] Modules linked in: [ 43.363161][ T6765] CPU: 1 UID: 0 PID: 6765 Comm: syz.0.43 Tainted: G W syzkaller #0 PREEMPT [ 43.364722][ T6765] Tainted: [W]=WARN [ 43.365288][ T6765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.366825][ T6765] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.368024][ T6765] pc : iopt_map_pages+0xd7c/0xdcc [ 43.368743][ T6765] lr : iopt_map_pages+0xd7c/0xdcc [ 43.369459][ T6765] sp : ffff8000a08576c0 [ 43.370045][ T6765] x29: ffff8000a08578a0 x28: ffff0000cc4f6810 x27: 1fffe0001989ed44 [ 43.371237][ T6765] x26: ffff8000a0857b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.372454][ T6765] x23: ffff0000cc4f6a20 x22: ffff0000cc4f69f8 x21: 00000000ffffffea [ 43.373696][ T6765] x20: dfff800000000000 x19: ffff8000a08579b0 x18: 0000000000000000 [ 43.374889][ T6765] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.376088][ T6765] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.377257][ T6765] x11: ffff0000cac71ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.378450][ T6765] x8 : ffff0000cac71ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 43.379659][ T6765] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.380911][ T6765] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.382077][ T6765] Call trace: [ 43.382555][ T6765] iopt_map_pages+0xd7c/0xdcc (P) [ 43.383296][ T6765] iopt_map_common+0x204/0x420 [ 43.383977][ T6765] iopt_map_user_pages+0xb4/0xd8 [ 43.384710][ T6765] iommufd_ioas_map+0x2d4/0x3d0 [ 43.385481][ T6765] iommufd_fops_ioctl+0x424/0x54c [ 43.386211][ T6765] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.386986][ T6765] invoke_syscall+0x98/0x254 [ 43.387621][ T6765] el0_svc_common+0xe8/0x23c [ 43.388321][ T6765] do_el0_svc+0x48/0x58 [ 43.388961][ T6765] el0_svc+0x5c/0x254 [ 43.389600][ T6765] el0t_64_sync_handler+0x84/0x12c [ 43.390415][ T6765] el0t_64_sync+0x198/0x19c [ 43.391104][ T6765] irq event stamp: 918 [ 43.391739][ T6765] hardirqs last enabled at (917): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.393253][ T6765] hardirqs last disabled at (918): [] el1_brk64+0x20/0x54 [ 43.394565][ T6765] softirqs last enabled at (884): [] local_bh_enable+0x10/0x34 [ 43.395783][ T6765] softirqs last disabled at (882): [] local_bh_disable+0x10/0x34 [ 43.397130][ T6765] ---[ end trace 0000000000000000 ]--- [ 43.408820][ T6766] i ** replaying previous printk message ** [ 43.408820][ T6766] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.409222][ T6766] ------------[ cut here ]------------ [ 43.409227][ T6766] WARNING: CPU: 1 PID: 6766 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.413386][ T6766] Modules linked in: [ 43.414081][ T6766] CPU: 1 UID: 0 PID: 6766 Comm: syz.0.44 Tainted: G W syzkaller #0 PREEMPT [ 43.415641][ T6766] Tainted: [W]=WARN [ 43.416224][ T6766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.417803][ T6766] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.419016][ T6766] pc : iopt_map_pages+0xd7c/0xdcc [ 43.419713][ T6766] lr : iopt_map_pages+0xd7c/0xdcc [ 43.420464][ T6766] sp : ffff8000a08576c0 [ 43.421150][ T6766] x29: ffff8000a08578a0 x28: ffff0000cb0df810 x27: 1fffe0001961bf44 [ 43.422459][ T6766] x26: ffff8000a0857b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.423842][ T6766] x23: ffff0000cb0dfa20 x22: ffff0000cb0df9f8 x21: 00000000ffffffea [ 43.425132][ T6766] x20: dfff800000000000 x19: ffff8000a08579b0 x18: 0000000000000000 [ 43.426460][ T6766] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.427741][ T6766] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.429041][ T6766] x11: ffff0000cb5d1ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.430242][ T6766] x8 : ffff0000cb5d1ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 43.431451][ T6766] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.432604][ T6766] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.433868][ T6766] Call trace: [ 43.434435][ T6766] iopt_map_pages+0xd7c/0xdcc (P) [ 43.435234][ T6766] iopt_map_common+0x204/0x420 [ 43.436116][ T6766] iopt_map_user_pages+0xb4/0xd8 [ 43.436952][ T6766] iommufd_ioas_map+0x2d4/0x3d0 [ 43.437723][ T6766] iommufd_fops_ioctl+0x424/0x54c [ 43.438553][ T6766] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.439290][ T6766] invoke_syscall+0x98/0x254 [ 43.439972][ T6766] el0_svc_common+0xe8/0x23c [ 43.440630][ T6766] do_el0_svc+0x48/0x58 [ 43.441196][ T6766] el0_svc+0x5c/0x254 [ 43.441710][ T6766] el0t_64_sync_handler+0x84/0x12c [ 43.442482][ T6766] el0t_64_sync+0x198/0x19c [ 43.443155][ T6766] irq event stamp: 1000 [ 43.443762][ T6766] hardirqs last enabled at (999): [] ___slab_alloc+0x808/0x127c [ 43.445200][ T6766] hardirqs last disabled at (1000): [] el1_brk64+0x20/0x54 [ 43.446518][ T6766] softirqs last enabled at (176): [] local_bh_enable+0x10/0x34 [ 43.447854][ T6766] softirqs last disabled at (174): [] local_bh_disable+0x10/0x34 [ 43.449190][ T6766] ---[ end trace 0000000000000000 ]--- [ 43.459077][ T6767] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.460898][ T6767] ------------[ cut here ]------------ [ 43.460908][ T6767] WARNING: CPU: 1 PID: 6767 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.463426][ T6767] Modules linked in: [ 43.464059][ T6767] CPU: 1 UID: 0 PID: 6767 Comm: syz.0.45 Tainted: G W syzkaller #0 PREEMPT [ 43.465606][ T6767] Tainted: [W]=WARN [ 43.466166][ T6767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.467664][ T6767] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.468710][ T6767] pc : iopt_map_pages+0xd7c/0xdcc [ 43.469474][ T6767] lr : iopt_map_pages+0xd7c/0xdcc [ 43.470254][ T6767] sp : ffff8000a29576c0 [ 43.470873][ T6767] x29: ffff8000a29578a0 x28: ffff0000cc783010 x27: 1fffe000198f0644 [ 43.472137][ T6767] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.473380][ T6767] x23: ffff0000cc783220 x22: ffff0000cc7831f8 x21: 00000000ffffffea [ 43.474567][ T6767] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 43.475823][ T6767] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.476967][ T6767] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.478201][ T6767] x11: ffff0000ce119ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.479389][ T6767] x8 : ffff0000ce119ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 43.480582][ T6767] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.481724][ T6767] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.482925][ T6767] Call trace: [ 43.483383][ T6767] iopt_map_pages+0xd7c/0xdcc (P) [ 43.484157][ T6767] iopt_map_common+0x204/0x420 [ 43.484873][ T6767] iopt_map_user_pages+0xb4/0xd8 [ 43.485619][ T6767] iommufd_ioas_map+0x2d4/0x3d0 [ 43.486341][ T6767] iommufd_fops_ioctl+0x424/0x54c [ 43.487074][ T6767] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.487818][ T6767] invoke_syscall+0x98/0x254 [ 43.488436][ T6767] el0_svc_common+0xe8/0x23c [ 43.489131][ T6767] do_el0_svc+0x48/0x58 [ 43.489774][ T6767] el0_svc+0x5c/0x254 [ 43.490345][ T6767] el0t_64_sync_handler+0x84/0x12c [ 43.491118][ T6767] el0t_64_sync+0x198/0x19c [ 43.491799][ T6767] irq event stamp: 978 [ 43.492341][ T6767] hardirqs last enabled at (977): [] ___slab_alloc+0x808/0x127c [ 43.493799][ T6767] hardirqs last disabled at (978): [] el1_brk64+0x20/0x54 [ 43.495013][ T6767] softirqs last enabled at (934): [] local_bh_enable+0x10/0x34 [ 43.496380][ T6767] softirqs last disabled at (932): [] local_bh_disable+0x10/0x34 [ 43.497729][ T6767] ---[ end trace 0000000000000000 ]--- [ 43.509543][ T6768] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.511074][ T6768] ------------[ cut here ]------------ [ 43.511085][ T6768] WARNING: CPU: 1 PID: 6768 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.513740][ T6768] Modules linked in: [ 43.514386][ T6768] CPU: 1 UID: 0 PID: 6768 Comm: syz.0.46 Tainted: G W syzkaller #0 PREEMPT [ 43.516145][ T6768] Tainted: [W]=WARN [ 43.516723][ T6768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.518370][ T6768] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.519620][ T6768] pc : iopt_map_pages+0xd7c/0xdcc [ 43.520402][ T6768] lr : iopt_map_pages+0xd7c/0xdcc [ 43.521203][ T6768] sp : ffff8000a08576c0 [ 43.521849][ T6768] x29: ffff8000a08578a0 x28: ffff0000cc784010 x27: 1fffe000198f0844 [ 43.523076][ T6768] x26: ffff8000a0857b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.524347][ T6768] x23: ffff0000cc784220 x22: ffff0000cc7841f8 x21: 00000000ffffffea [ 43.525596][ T6768] x20: dfff800000000000 x19: ffff8000a08579b0 x18: 0000000000000000 [ 43.526798][ T6768] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.527984][ T6768] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.529193][ T6768] x11: ffff0000ce11dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.530463][ T6768] x8 : ffff0000ce11dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 43.531751][ T6768] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.532929][ T6768] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.534219][ T6768] Call trace: [ 43.534712][ T6768] iopt_map_pages+0xd7c/0xdcc (P) [ 43.535453][ T6768] iopt_map_common+0x204/0x420 [ 43.536229][ T6768] iopt_map_user_pages+0xb4/0xd8 [ 43.536932][ T6768] iommufd_ioas_map+0x2d4/0x3d0 [ 43.537697][ T6768] iommufd_fops_ioctl+0x424/0x54c [ 43.538477][ T6768] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.539183][ T6768] invoke_syscall+0x98/0x254 [ 43.539871][ T6768] el0_svc_common+0xe8/0x23c [ 43.540515][ T6768] do_el0_svc+0x48/0x58 [ 43.541176][ T6768] el0_svc+0x5c/0x254 [ 43.541733][ T6768] el0t_64_sync_handler+0x84/0x12c [ 43.542477][ T6768] el0t_64_sync+0x198/0x19c [ 43.543176][ T6768] irq event stamp: 1506 [ 43.543754][ T6768] hardirqs last enabled at (1505): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.545312][ T6768] hardirqs last disabled at (1506): [] el1_brk64+0x20/0x54 [ 43.546577][ T6768] softirqs last enabled at (1472): [] local_bh_enable+0x10/0x34 [ 43.548006][ T6768] softirqs last disabled at (1470): [] local_bh_disable+0x10/0x34 [ 43.549296][ T6768] ---[ end trace 0000000000000000 ]--- [ 43.559200][ T6769] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.560657][ T6769] ------------[ cut here ]------------ [ 43.560668][ T6769] WARNING: CPU: 1 PID: 6769 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.563084][ T6769] Modules linked in: [ 43.563760][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz.0.47 Tainted: G W syzkaller #0 PREEMPT [ 43.565390][ T6769] Tainted: [W]=WARN [ 43.565988][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.567533][ T6769] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.568686][ T6769] pc : iopt_map_pages+0xd7c/0xdcc [ 43.569475][ T6769] lr : iopt_map_pages+0xd7c/0xdcc [ 43.570246][ T6769] sp : ffff8000a08576c0 [ 43.570882][ T6769] x29: ffff8000a08578a0 x28: ffff0000cc785010 x27: 1fffe000198f0a44 [ 43.572008][ T6769] x26: ffff8000a0857b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.573283][ T6769] x23: ffff0000cc785220 x22: ffff0000cc7851f8 x21: 00000000ffffffea [ 43.574456][ T6769] x20: dfff800000000000 x19: ffff8000a08579b0 x18: 0000000000000000 [ 43.575650][ T6769] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.576929][ T6769] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.578130][ T6769] x11: ffff0000cd635c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.579299][ T6769] x8 : ffff0000cd635c40 x7 : 0000000000000000 x6 : 000000000000003f [ 43.580446][ T6769] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.581589][ T6769] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.582733][ T6769] Call trace: [ 43.583148][ T6769] iopt_map_pages+0xd7c/0xdcc (P) [ 43.583932][ T6769] iopt_map_common+0x204/0x420 [ 43.584565][ T6769] iopt_map_user_pages+0xb4/0xd8 [ 43.585211][ T6769] iommufd_ioas_map+0x2d4/0x3d0 [ 43.585948][ T6769] iommufd_fops_ioctl+0x424/0x54c [ 43.586631][ T6769] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.587351][ T6769] invoke_syscall+0x98/0x254 [ 43.588020][ T6769] el0_svc_common+0xe8/0x23c [ 43.588668][ T6769] do_el0_svc+0x48/0x58 [ 43.589256][ T6769] el0_svc+0x5c/0x254 [ 43.589869][ T6769] el0t_64_sync_handler+0x84/0x12c [ 43.590672][ T6769] el0t_64_sync+0x198/0x19c [ 43.591374][ T6769] irq event stamp: 956 [ 43.591987][ T6769] hardirqs last enabled at (955): [] ___slab_alloc+0x808/0x127c [ 43.593318][ T6769] hardirqs last disabled at (956): [] el1_brk64+0x20/0x54 [ 43.594617][ T6769] softirqs last enabled at (916): [] local_bh_enable+0x10/0x34 [ 43.595967][ T6769] softirqs last disabled at (914): [] local_bh_disable+0x10/0x34 [ 43.597391][ T6769] ---[ end trace 0000000000000000 ]--- [ 43.608423][ T6770] ** replaying previous printk message ** [ 43.608423][ T6770] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.608787][ T6770] ------------[ cut here ]------------ [ 43.608792][ T6770] WARNING: CPU: 1 PID: 6770 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.612948][ T6770] Modules linked in: [ 43.613530][ T6770] CPU: 1 UID: 0 PID: 6770 Comm: syz.0.48 Tainted: G W syzkaller #0 PREEMPT [ 43.615124][ T6770] Tainted: [W]=WARN [ 43.615685][ T6770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.617187][ T6770] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.618351][ T6770] pc : iopt_map_pages+0xd7c/0xdcc [ 43.619153][ T6770] lr : iopt_map_pages+0xd7c/0xdcc [ 43.619866][ T6770] sp : ffff8000a29576c0 [ 43.620502][ T6770] x29: ffff8000a29578a0 x28: ffff0000cf7fa810 x27: 1fffe00019eff544 [ 43.621753][ T6770] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.622921][ T6770] x23: ffff0000cf7faa20 x22: ffff0000cf7fa9f8 x21: 00000000ffffffea [ 43.624156][ T6770] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 43.625385][ T6770] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.626580][ T6770] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.627748][ T6770] x11: ffff0000cb5d5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.628969][ T6770] x8 : ffff0000cb5d5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 43.630133][ T6770] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.631312][ T6770] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.632455][ T6770] Call trace: [ 43.632856][ T6770] iopt_map_pages+0xd7c/0xdcc (P) [ 43.633527][ T6770] iopt_map_common+0x204/0x420 [ 43.634242][ T6770] iopt_map_user_pages+0xb4/0xd8 [ 43.634963][ T6770] iommufd_ioas_map+0x2d4/0x3d0 [ 43.635632][ T6770] iommufd_fops_ioctl+0x424/0x54c [ 43.636359][ T6770] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.637107][ T6770] invoke_syscall+0x98/0x254 [ 43.637733][ T6770] el0_svc_common+0xe8/0x23c [ 43.638410][ T6770] do_el0_svc+0x48/0x58 [ 43.639015][ T6770] el0_svc+0x5c/0x254 [ 43.639596][ T6770] el0t_64_sync_handler+0x84/0x12c [ 43.640332][ T6770] el0t_64_sync+0x198/0x19c [ 43.641031][ T6770] irq event stamp: 968 [ 43.641601][ T6770] hardirqs last enabled at (967): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.643069][ T6770] hardirqs last disabled at (968): [] el1_brk64+0x20/0x54 [ 43.644194][ T6770] softirqs last enabled at (142): [] local_bh_enable+0x10/0x34 [ 43.645527][ T6770] softirqs last disabled at (140): [] local_bh_disable+0x10/0x34 [ 43.646820][ T6770] ---[ end trace 0000000000000000 ]--- [ 43.661011][ T6771] iommufd_mock iommufd_mock0: Adding to iommu group ** replaying previous printk message ** [ 43.661011][ T6771] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.662067][ T6771] ------------[ cut here ]------------ [ 43.662073][ T6771] WARNING: CPU: 1 PID: 6771 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.666329][ T6771] Modules linked in: [ 43.666974][ T6771] CPU: 1 UID: 0 PID: 6771 Comm: syz.0.49 Tainted: G W syzkaller #0 PREEMPT [ 43.668528][ T6771] Tainted: [W]=WARN [ 43.669094][ T6771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.670557][ T6771] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.671689][ T6771] pc : iopt_map_pages+0xd7c/0xdcc [ 43.672434][ T6771] lr : iopt_map_pages+0xd7c/0xdcc [ 43.673189][ T6771] sp : ffff8000a08576c0 [ 43.673840][ T6771] x29: ffff8000a08578a0 x28: ffff0000cf7fb810 x27: 1fffe00019eff744 [ 43.675005][ T6771] x26: ffff8000a0857b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.676230][ T6771] x23: ffff0000cf7fba20 x22: ffff0000cf7fb9f8 x21: 00000000ffffffea [ 43.677395][ T6771] x20: dfff800000000000 x19: ffff8000a08579b0 x18: 0000000000000000 [ 43.678673][ T6771] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.679830][ T6771] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.680987][ T6771] x11: ffff0000d0c11ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.682189][ T6771] x8 : ffff0000d0c11ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 43.683332][ T6771] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.684444][ T6771] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.685695][ T6771] Call trace: [ 43.686175][ T6771] iopt_map_pages+0xd7c/0xdcc (P) [ 43.686924][ T6771] iopt_map_common+0x204/0x420 [ 43.687633][ T6771] iopt_map_user_pages+0xb4/0xd8 [ 43.688367][ T6771] iommufd_ioas_map+0x2d4/0x3d0 [ 43.689103][ T6771] iommufd_fops_ioctl+0x424/0x54c [ 43.689847][ T6771] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.690567][ T6771] invoke_syscall+0x98/0x254 [ 43.691237][ T6771] el0_svc_common+0xe8/0x23c [ 43.691898][ T6771] do_el0_svc+0x48/0x58 [ 43.692510][ T6771] el0_svc+0x5c/0x254 [ 43.693108][ T6771] el0t_64_sync_handler+0x84/0x12c [ 43.693823][ T6771] el0t_64_sync+0x198/0x19c [ 43.694501][ T6771] irq event stamp: 2012 [ 43.695117][ T6771] hardirqs last enabled at (2011): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.696516][ T6771] hardirqs last disabled at (2012): [] el1_brk64+0x20/0x54 [ 43.697742][ T6771] softirqs last enabled at (1974): [] local_bh_enable+0x10/0x34 [ 43.699147][ T6771] softirqs last disabled at (1972): [] local_bh_disable+0x10/0x34 [ 43.700536][ T6771] ---[ end trace 0000000000000000 ]--- [ 43.715389][ T6772] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.716984][ T6772] ------------[ cut here ]------------ [ 43.716992][ T6772] WARNING: CPU: 0 PID: 6772 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.719448][ T6772] Modules linked in: [ 43.720142][ T6772] CPU: 0 UID: 0 PID: 6772 Comm: syz.0.50 Tainted: G W syzkaller #0 PREEMPT [ 43.721496][ T6772] Tainted: [W]=WARN [ 43.722053][ T6772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.723506][ T6772] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.724672][ T6772] pc : iopt_map_pages+0xd7c/0xdcc [ 43.725410][ T6772] lr : iopt_map_pages+0xd7c/0xdcc [ 43.726201][ T6772] sp : ffff8000a08576c0 [ 43.726773][ T6772] x29: ffff8000a08578a0 x28: ffff0000c85b9810 x27: 1fffe000190b7344 [ 43.727991][ T6772] x26: ffff8000a0857b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.729224][ T6772] x23: ffff0000c85b9a20 x22: ffff0000c85b99f8 x21: 00000000ffffffea [ 43.730415][ T6772] x20: dfff800000000000 x19: ffff8000a08579b0 x18: 0000000000000000 [ 43.731591][ T6772] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.732768][ T6772] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.733861][ T6772] x11: ffff0000d0c15c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.735103][ T6772] x8 : ffff0000d0c15c40 x7 : 0000000000000000 x6 : 000000000000003f [ 43.736320][ T6772] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.737530][ T6772] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.738683][ T6772] Call trace: [ 43.739139][ T6772] iopt_map_pages+0xd7c/0xdcc (P) [ 43.739827][ T6772] iopt_map_common+0x204/0x420 [ 43.740523][ T6772] iopt_map_user_pages+0xb4/0xd8 [ 43.741268][ T6772] iommufd_ioas_map+0x2d4/0x3d0 [ 43.741943][ T6772] iommufd_fops_ioctl+0x424/0x54c [ 43.742755][ T6772] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.743560][ T6772] invoke_syscall+0x98/0x254 [ 43.744317][ T6772] el0_svc_common+0xe8/0x23c [ 43.745072][ T6772] do_el0_svc+0x48/0x58 [ 43.745685][ T6772] el0_svc+0x5c/0x254 [ 43.746306][ T6772] el0t_64_sync_handler+0x84/0x12c [ 43.747106][ T6772] el0t_64_sync+0x198/0x19c [ 43.747812][ T6772] irq event stamp: 1008 [ 43.748397][ T6772] hardirqs last enabled at (1007): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.749837][ T6772] hardirqs last disabled at (1008): [] el1_brk64+0x20/0x54 [ 43.751149][ T6772] softirqs last enabled at (970): [] local_bh_enable+0x10/0x34 [ 43.752440][ T6772] softirqs last disabled at (968): [] local_bh_disable+0x10/0x34 1970/01/01 00:00:43 executed programs: 35 [ 43.753806][ T6772] ---[ end trace 0000000000000000 ]--- [ 43.765524][ ** replaying previous printk message ** [ 43.765524][ T6773] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.765856][ T6773] ------------[ cut here ]------------ [ 43.765860][ T6773] WARNING: CPU: 1 PID: 6773 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.769997][ T6773] Modules linked in: [ 43.770600][ T6773] CPU: 1 UID: 0 PID: 6773 Comm: syz.0.51 Tainted: G W syzkaller #0 PREEMPT [ 43.772139][ T6773] Tainted: [W]=WARN [ 43.772679][ T6773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.774184][ T6773] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.775407][ T6773] pc : iopt_map_pages+0xd7c/0xdcc [ 43.776209][ T6773] lr : iopt_map_pages+0xd7c/0xdcc [ 43.776993][ T6773] sp : ffff8000a08476c0 [ 43.777626][ T6773] x29: ffff8000a08478a0 x28: ffff0000cf7fc810 x27: 1fffe00019eff944 [ 43.778877][ T6773] x26: ffff8000a0847b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.780126][ T6773] x23: ffff0000cf7fca20 x22: ffff0000cf7fc9f8 x21: 00000000ffffffea [ 43.781344][ T6773] x20: dfff800000000000 x19: ffff8000a08479b0 x18: 0000000000000000 [ 43.782580][ T6773] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.783757][ T6773] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.785006][ T6773] x11: ffff0000d0c13d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.786168][ T6773] x8 : ffff0000d0c13d80 x7 : 0000000000000000 x6 : 000000000000003f [ 43.787494][ T6773] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.788725][ T6773] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.789901][ T6773] Call trace: [ 43.790445][ T6773] iopt_map_pages+0xd7c/0xdcc (P) [ 43.791233][ T6773] iopt_map_common+0x204/0x420 [ 43.791972][ T6773] iopt_map_user_pages+0xb4/0xd8 [ 43.792677][ T6773] iommufd_ioas_map+0x2d4/0x3d0 [ 43.793455][ T6773] iommufd_fops_ioctl+0x424/0x54c [ 43.794209][ T6773] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.795013][ T6773] invoke_syscall+0x98/0x254 [ 43.795696][ T6773] el0_svc_common+0xe8/0x23c [ 43.796361][ T6773] do_el0_svc+0x48/0x58 [ 43.797007][ T6773] el0_svc+0x5c/0x254 [ 43.797610][ T6773] el0t_64_sync_handler+0x84/0x12c [ 43.798339][ T6773] el0t_64_sync+0x198/0x19c [ 43.798955][ T6773] irq event stamp: 1106 [ 43.799548][ T6773] hardirqs last enabled at (1105): [] ___slab_alloc+0x808/0x127c [ 43.800789][ T6773] hardirqs last disabled at (1106): [] el1_brk64+0x20/0x54 [ 43.802006][ T6773] softirqs last enabled at (556): [] handle_softirqs+0xaf8/0xc88 [ 43.803325][ T6773] softirqs last disabled at (327): [] __do_softirq+0x14/0x20 [ 43.804647][ T6773] ---[ end trace 0000000000000000 ]--- [ 43.820296][ T6774] iommufd_mock iommufd_mock0: Adding ** replaying previous printk message ** [ 43.820296][ T6774] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.821174][ T6774] ------------[ cut here ]------------ [ 43.821180][ T6774] WARNING: CPU: 0 PID: 6774 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.825260][ T6774] Modules linked in: [ 43.825832][ T6774] CPU: 0 UID: 0 PID: 6774 Comm: syz.0.52 Tainted: G W syzkaller #0 PREEMPT [ 43.827454][ T6774] Tainted: [W]=WARN [ 43.828043][ T6774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.829614][ T6774] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.830719][ T6774] pc : iopt_map_pages+0xd7c/0xdcc [ 43.831478][ T6774] lr : iopt_map_pages+0xd7c/0xdcc [ 43.832167][ T6774] sp : ffff8000a08476c0 [ 43.832822][ T6774] x29: ffff8000a08478a0 x28: ffff0000c85bc010 x27: 1fffe000190b7844 [ 43.834023][ T6774] x26: ffff8000a0847b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.835305][ T6774] x23: ffff0000c85bc220 x22: ffff0000c85bc1f8 x21: 00000000ffffffea [ 43.836589][ T6774] x20: dfff800000000000 x19: ffff8000a08479b0 x18: 0000000000000000 [ 43.837836][ T6774] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.838967][ T6774] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.840154][ T6774] x11: ffff0000cf978000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.841392][ T6774] x8 : ffff0000cf978000 x7 : 0000000000000000 x6 : 000000000000003f [ 43.842507][ T6774] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.843672][ T6774] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.844817][ T6774] Call trace: [ 43.845313][ T6774] iopt_map_pages+0xd7c/0xdcc (P) [ 43.846053][ T6774] iopt_map_common+0x204/0x420 [ 43.846709][ T6774] iopt_map_user_pages+0xb4/0xd8 [ 43.847469][ T6774] iommufd_ioas_map+0x2d4/0x3d0 [ 43.848200][ T6774] iommufd_fops_ioctl+0x424/0x54c [ 43.848930][ T6774] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.849667][ T6774] invoke_syscall+0x98/0x254 [ 43.850353][ T6774] el0_svc_common+0xe8/0x23c [ 43.851050][ T6774] do_el0_svc+0x48/0x58 [ 43.851631][ T6774] el0_svc+0x5c/0x254 [ 43.852230][ T6774] el0t_64_sync_handler+0x84/0x12c [ 43.853010][ T6774] el0t_64_sync+0x198/0x19c [ 43.853672][ T6774] irq event stamp: 998 [ 43.854303][ T6774] hardirqs last enabled at (997): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.855789][ T6774] hardirqs last disabled at (998): [] el1_brk64+0x20/0x54 [ 43.857054][ T6774] softirqs last enabled at (964): [] local_bh_enable+0x10/0x34 [ 43.858380][ T6774] softirqs last disabled at (962): [] local_bh_disable+0x10/0x34 [ 43.859794][ T6774] ---[ end trace 0000000000000000 ]--- [ 43.870695][ T6775] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.872124][ T6775] ------------[ cut here ]------------ [ 43.872135][ T6775] WARNING: CPU: 0 PID: 6775 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.874503][ T6775] Modules linked in: [ 43.875123][ T6775] CPU: 0 UID: 0 PID: 6775 Comm: syz.0.53 Tainted: G W syzkaller #0 PREEMPT [ 43.876629][ T6775] Tainted: [W]=WARN [ 43.877212][ T6775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.878781][ T6775] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.880183][ T6775] pc : iopt_map_pages+0xd7c/0xdcc [ 43.880979][ T6775] lr : iopt_map_pages+0xd7c/0xdcc [ 43.881692][ T6775] sp : ffff8000a08376c0 [ 43.882273][ T6775] x29: ffff8000a08378a0 x28: ffff0000cf7fd810 x27: 1fffe00019effb44 [ 43.883378][ T6775] x26: ffff8000a0837b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.884611][ T6775] x23: ffff0000cf7fda20 x22: ffff0000cf7fd9f8 x21: 00000000ffffffea [ 43.885800][ T6775] x20: dfff800000000000 x19: ffff8000a08379b0 x18: 0000000000000000 [ 43.887051][ T6775] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.888370][ T6775] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.889431][ T6775] x11: ffff0000cf979ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.890693][ T6775] x8 : ffff0000cf979ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 43.891962][ T6775] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.893254][ T6775] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.894416][ T6775] Call trace: [ 43.894869][ T6775] iopt_map_pages+0xd7c/0xdcc (P) [ 43.895656][ T6775] iopt_map_common+0x204/0x420 [ 43.896384][ T6775] iopt_map_user_pages+0xb4/0xd8 [ 43.897085][ T6775] iommufd_ioas_map+0x2d4/0x3d0 [ 43.897817][ T6775] iommufd_fops_ioctl+0x424/0x54c [ 43.898619][ T6775] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.899336][ T6775] invoke_syscall+0x98/0x254 [ 43.900025][ T6775] el0_svc_common+0xe8/0x23c [ 43.900669][ T6775] do_el0_svc+0x48/0x58 [ 43.901359][ T6775] el0_svc+0x5c/0x254 [ 43.901991][ T6775] el0t_64_sync_handler+0x84/0x12c [ 43.902729][ T6775] el0t_64_sync+0x198/0x19c [ 43.903390][ T6775] irq event stamp: 844 [ 43.903889][ T6775] hardirqs last enabled at (843): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.905287][ T6775] hardirqs last disabled at (844): [] el1_brk64+0x20/0x54 [ 43.906435][ T6775] softirqs last enabled at (804): [] local_bh_enable+0x10/0x34 [ 43.907750][ T6775] softirqs last disabled at (802): [] local_bh_disable+0x10/0x34 [ 43.909054][ T6775] ---[ end trace 0000000000000000 ]--- [ 43.919113][ T6776 ** replaying previous printk message ** [ 43.919113][ T6776] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.919469][ T6776] ------------[ cut here ]------------ [ 43.919473][ T6776] WARNING: CPU: 0 PID: 6776 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.923487][ T6776] Modules linked in: [ 43.924075][ T6776] CPU: 0 UID: 0 PID: 6776 Comm: syz.0.54 Tainted: G W syzkaller #0 PREEMPT [ 43.925507][ T6776] Tainted: [W]=WARN [ 43.926047][ T6776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.927623][ T6776] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.928794][ T6776] pc : iopt_map_pages+0xd7c/0xdcc [ 43.929534][ T6776] lr : iopt_map_pages+0xd7c/0xdcc [ 43.930363][ T6776] sp : ffff8000a29576c0 [ 43.930909][ T6776] x29: ffff8000a29578a0 x28: ffff0000c85be810 x27: 1fffe000190b7d44 [ 43.932068][ T6776] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.933208][ T6776] x23: ffff0000c85bea20 x22: ffff0000c85be9f8 x21: 00000000ffffffea [ 43.934407][ T6776] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 43.935600][ T6776] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.936790][ T6776] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.937993][ T6776] x11: ffff0000c35e1ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.939207][ T6776] x8 : ffff0000c35e1ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 43.940428][ T6776] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.941556][ T6776] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.942739][ T6776] Call trace: [ 43.943179][ T6776] iopt_map_pages+0xd7c/0xdcc (P) [ 43.943905][ T6776] iopt_map_common+0x204/0x420 [ 43.944625][ T6776] iopt_map_user_pages+0xb4/0xd8 [ 43.945349][ T6776] iommufd_ioas_map+0x2d4/0x3d0 [ 43.946068][ T6776] iommufd_fops_ioctl+0x424/0x54c [ 43.946785][ T6776] __arm64_sys_ioctl+0x14c/0x1c4 [ 43.947542][ T6776] invoke_syscall+0x98/0x254 [ 43.948249][ T6776] el0_svc_common+0xe8/0x23c [ 43.948874][ T6776] do_el0_svc+0x48/0x58 [ 43.949517][ T6776] el0_svc+0x5c/0x254 [ 43.950115][ T6776] el0t_64_sync_handler+0x84/0x12c [ 43.950830][ T6776] el0t_64_sync+0x198/0x19c [ 43.951445][ T6776] irq event stamp: 886 [ 43.952007][ T6776] hardirqs last enabled at (885): [] kasan_quarantine_put+0x1a0/0x1c8 [ 43.953413][ T6776] hardirqs last disabled at (886): [] el1_brk64+0x20/0x54 [ 43.954691][ T6776] softirqs last enabled at (148): [] local_bh_enable+0x10/0x34 [ 43.956047][ T6776] softirqs last disabled at (146): [] local_bh_disable+0x10/0x34 [ 43.957405][ T6776] ---[ end trace 0000000000000000 ]--- [ 43.970652][ T6 ** replaying previous printk message ** [ 43.970652][ T6777] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 43.970990][ T6777] ------------[ cut here ]------------ [ 43.970995][ T6777] WARNING: CPU: 0 PID: 6777 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 43.974969][ T6777] Modules linked in: [ 43.975697][ T6777] CPU: 0 UID: 0 PID: 6777 Comm: syz.0.55 Tainted: G W syzkaller #0 PREEMPT [ 43.977300][ T6777] Tainted: [W]=WARN [ 43.977901][ T6777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.979480][ T6777] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 43.980676][ T6777] pc : iopt_map_pages+0xd7c/0xdcc [ 43.981517][ T6777] lr : iopt_map_pages+0xd7c/0xdcc [ 43.982295][ T6777] sp : ffff8000a29576c0 [ 43.982908][ T6777] x29: ffff8000a29578a0 x28: ffff0000c85bf810 x27: 1fffe000190b7f44 [ 43.984078][ T6777] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 43.985296][ T6777] x23: ffff0000c85bfa20 x22: ffff0000c85bf9f8 x21: 00000000ffffffea [ 43.986502][ T6777] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 43.987736][ T6777] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 43.988979][ T6777] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 43.990116][ T6777] x11: ffff0000c8925c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 43.991315][ T6777] x8 : ffff0000c8925c40 x7 : 0000000000000000 x6 : 000000000000003f [ 43.992634][ T6777] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 43.993884][ T6777] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 43.995017][ T6777] Call trace: [ 43.995520][ T6777] iopt_map_pages+0xd7c/0xdcc (P) [ 43.996327][ T6777] iopt_map_common+0x204/0x420 [ 43.997096][ T6777] iopt_map_user_pages+0xb4/0xd8 [ 43.997788][ T6777] iommufd_ioas_map+0x2d4/0x3d0 [ 43.998523][ T6777] iommufd_fops_ioctl+0x424/0x54c [ 43.999308][ T6777] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.000046][ T6777] invoke_syscall+0x98/0x254 [ 44.000795][ T6777] el0_svc_common+0xe8/0x23c [ 44.001477][ T6777] do_el0_svc+0x48/0x58 [ 44.002034][ T6777] el0_svc+0x5c/0x254 [ 44.002609][ T6777] el0t_64_sync_handler+0x84/0x12c [ 44.003413][ T6777] el0t_64_sync+0x198/0x19c [ 44.004143][ T6777] irq event stamp: 824 [ 44.004719][ T6777] hardirqs last enabled at (823): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.006186][ T6777] hardirqs last disabled at (824): [] el1_brk64+0x20/0x54 [ 44.007479][ T6777] softirqs last enabled at (138): [] local_bh_enable+0x10/0x34 [ 44.008779][ T6777] softirqs last disabled at (136): [] local_bh_disable+0x10/0x34 [ 44.010168][ T6777] ---[ end trace 0000000000000000 ]--- [ 44.019423][ T6778] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.020935][ T6778] ------------[ cut here ]------------ [ 44.020946][ T6778] WARNING: CPU: 0 PID: 6778 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.023165][ T6778] Modules linked in: [ 44.023812][ T6778] CPU: 0 UID: 0 PID: 6778 Comm: syz.0.56 Tainted: G W syzkaller #0 PREEMPT [ 44.025265][ T6778] Tainted: [W]=WARN [ 44.025915][ T6778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.027485][ T6778] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.028662][ T6778] pc : iopt_map_pages+0xd7c/0xdcc [ 44.029419][ T6778] lr : iopt_map_pages+0xd7c/0xdcc [ 44.030101][ T6778] sp : ffff8000a08376c0 [ 44.030706][ T6778] x29: ffff8000a08378a0 x28: ffff0000cdce9010 x27: 1fffe00019b9d244 [ 44.031996][ T6778] x26: ffff8000a0837b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.033228][ T6778] x23: ffff0000cdce9220 x22: ffff0000cdce91f8 x21: 00000000ffffffea [ 44.034490][ T6778] x20: dfff800000000000 x19: ffff8000a08379b0 x18: 0000000000000000 [ 44.035681][ T6778] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.036860][ T6778] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.038133][ T6778] x11: ffff0000d0380000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.039332][ T6778] x8 : ffff0000d0380000 x7 : 0000000000000000 x6 : 000000000000003f [ 44.040601][ T6778] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.041948][ T6778] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.043289][ T6778] Call trace: [ 44.043769][ T6778] iopt_map_pages+0xd7c/0xdcc (P) [ 44.044570][ T6778] iopt_map_common+0x204/0x420 [ 44.045348][ T6778] iopt_map_user_pages+0xb4/0xd8 [ 44.046069][ T6778] iommufd_ioas_map+0x2d4/0x3d0 [ 44.046784][ T6778] iommufd_fops_ioctl+0x424/0x54c [ 44.047497][ T6778] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.048260][ T6778] invoke_syscall+0x98/0x254 [ 44.048987][ T6778] el0_svc_common+0xe8/0x23c [ 44.049695][ T6778] do_el0_svc+0x48/0x58 [ 44.050352][ T6778] el0_svc+0x5c/0x254 [ 44.050974][ T6778] el0t_64_sync_handler+0x84/0x12c [ 44.051794][ T6778] el0t_64_sync+0x198/0x19c [ 44.052424][ T6778] irq event stamp: 844 [ 44.052972][ T6778] hardirqs last enabled at (843): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.054319][ T6778] hardirqs last disabled at (844): [] el1_brk64+0x20/0x54 [ 44.055557][ T6778] softirqs last enabled at (810): [] local_bh_enable+0x10/0x34 [ 44.056937][ T6778] softirqs last disabled at (808): [] local_bh_disable+0x10/0x34 [ 44.058289][ T6778] ---[ end trace 0000000000000000 ]--- [ 44.068869][ T6779] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.070823][ T6779] ------------[ cut here ]------------ [ 44.070833][ T6779] WARNING: CPU: 0 PID: 6779 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.073354][ T6779] Modules linked in: [ 44.074073][ T6779] CPU: 0 UID: 0 PID: 6779 Comm: syz.0.57 Tainted: G W syzkaller #0 PREEMPT [ 44.075594][ T6779] Tainted: [W]=WARN [ 44.076183][ T6779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.077726][ T6779] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.078964][ T6779] pc : iopt_map_pages+0xd7c/0xdcc [ 44.079743][ T6779] lr : iopt_map_pages+0xd7c/0xdcc [ 44.080460][ T6779] sp : ffff8000a08376c0 [ 44.081049][ T6779] x29: ffff8000a08378a0 x28: ffff0000cdcec010 x27: 1fffe00019b9d844 [ 44.082251][ T6779] x26: ffff8000a0837b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.083402][ T6779] x23: ffff0000cdcec220 x22: ffff0000cdcec1f8 x21: 00000000ffffffea [ 44.084622][ T6779] x20: dfff800000000000 x19: ffff8000a08379b0 x18: 0000000000000000 [ 44.086032][ T6779] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.087323][ T6779] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.088554][ T6779] x11: ffff0000d0381ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.089744][ T6779] x8 : ffff0000d0381ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 44.090943][ T6779] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.092139][ T6779] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.093352][ T6779] Call trace: [ 44.093766][ T6779] iopt_map_pages+0xd7c/0xdcc (P) [ 44.094586][ T6779] iopt_map_common+0x204/0x420 [ 44.095219][ T6779] iopt_map_user_pages+0xb4/0xd8 [ 44.095986][ T6779] iommufd_ioas_map+0x2d4/0x3d0 [ 44.096658][ T6779] iommufd_fops_ioctl+0x424/0x54c [ 44.097359][ T6779] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.098216][ T6779] invoke_syscall+0x98/0x254 [ 44.098924][ T6779] el0_svc_common+0xe8/0x23c [ 44.099622][ T6779] do_el0_svc+0x48/0x58 [ 44.100205][ T6779] el0_svc+0x5c/0x254 [ 44.100764][ T6779] el0t_64_sync_handler+0x84/0x12c [ 44.101512][ T6779] el0t_64_sync+0x198/0x19c [ 44.102168][ T6779] irq event stamp: 1356 [ 44.102761][ T6779] hardirqs last enabled at (1355): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.104282][ T6779] hardirqs last disabled at (1356): [] el1_brk64+0x20/0x54 [ 44.105584][ T6779] softirqs last enabled at (1322): [] local_bh_enable+0x10/0x34 [ 44.106903][ T6779] softirqs last disabled at (1320): [] local_bh_disable+0x10/0x34 [ 44.108276][ T6779] ---[ end trace 0000000000000000 ]--- [ 44.117667][ T6780] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.119064][ T6780] ------------[ cut here ]------------ [ 44.119074][ T6780] WARNING: CPU: 0 PID: 6780 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.121468][ T6780] Modules linked in: [ 44.122059][ T6780] CPU: 0 UID: 0 PID: 6780 Comm: syz.0.58 Tainted: G W syzkaller #0 PREEMPT [ 44.123494][ T6780] Tainted: [W]=WARN [ 44.124006][ T6780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.125404][ T6780] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.126470][ T6780] pc : iopt_map_pages+0xd7c/0xdcc [ 44.127184][ T6780] lr : iopt_map_pages+0xd7c/0xdcc [ 44.127843][ T6780] sp : ffff8000a29576c0 [ 44.128426][ T6780] x29: ffff8000a29578a0 x28: ffff0000cf807010 x27: 1fffe00019f00e44 [ 44.129595][ T6780] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.130860][ T6780] x23: ffff0000cf807220 x22: ffff0000cf8071f8 x21: 00000000ffffffea [ 44.132036][ T6780] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 44.133166][ T6780] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.134355][ T6780] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.135501][ T6780] x11: ffff0000d0383d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.136614][ T6780] x8 : ffff0000d0383d80 x7 : 0000000000000000 x6 : 000000000000003f [ 44.138010][ T6780] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.139235][ T6780] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.140474][ T6780] Call trace: [ 44.140981][ T6780] iopt_map_pages+0xd7c/0xdcc (P) [ 44.141761][ T6780] iopt_map_common+0x204/0x420 [ 44.142462][ T6780] iopt_map_user_pages+0xb4/0xd8 [ 44.143201][ T6780] iommufd_ioas_map+0x2d4/0x3d0 [ 44.143899][ T6780] iommufd_fops_ioctl+0x424/0x54c [ 44.144629][ T6780] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.145380][ T6780] invoke_syscall+0x98/0x254 [ 44.146063][ T6780] el0_svc_common+0xe8/0x23c [ 44.146788][ T6780] do_el0_svc+0x48/0x58 [ 44.147434][ T6780] el0_svc+0x5c/0x254 [ 44.147986][ T6780] el0t_64_sync_handler+0x84/0x12c [ 44.148706][ T6780] el0t_64_sync+0x198/0x19c [ 44.149332][ T6780] irq event stamp: 852 [ 44.150056][ T6780] hardirqs last enabled at (851): [] ___slab_alloc+0x808/0x127c [ 44.151490][ T6780] hardirqs last disabled at (852): [] el1_brk64+0x20/0x54 [ 44.152817][ T6780] softirqs last enabled at (804): [] local_bh_enable+0x10/0x34 [ 44.154163][ T6780] softirqs last disabled at (802): [] local_bh_disable+0x10/0x34 [ 44.155488][ T6780] ---[ end trace 0000000000000000 ]--- [ 44.165702][ T ** replaying previous printk message ** [ 44.165702][ T6781] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.166042][ T6781] ------------[ cut here ]------------ [ 44.166047][ T6781] WARNING: CPU: 0 PID: 6781 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.170204][ T6781] Modules linked in: [ 44.170837][ T6781] CPU: 0 UID: 0 PID: 6781 Comm: syz.0.59 Tainted: G W syzkaller #0 PREEMPT [ 44.172304][ T6781] Tainted: [W]=WARN [ 44.172844][ T6781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.174274][ T6781] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.175395][ T6781] pc : iopt_map_pages+0xd7c/0xdcc [ 44.176145][ T6781] lr : iopt_map_pages+0xd7c/0xdcc [ 44.176910][ T6781] sp : ffff8000a08376c0 [ 44.177533][ T6781] x29: ffff8000a08378a0 x28: ffff0000cec63810 x27: 1fffe00019d8c744 [ 44.178730][ T6781] x26: ffff8000a0837b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.180305][ T6781] x23: ffff0000cec63a20 x22: ffff0000cec639f8 x21: 00000000ffffffea [ 44.181575][ T6781] x20: dfff800000000000 x19: ffff8000a08379b0 x18: 0000000000000000 [ 44.182771][ T6781] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.184026][ T6781] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.185253][ T6781] x11: ffff0000c8923d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.186498][ T6781] x8 : ffff0000c8923d80 x7 : 0000000000000000 x6 : 000000000000003f [ 44.187818][ T6781] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.189054][ T6781] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.190230][ T6781] Call trace: [ 44.190719][ T6781] iopt_map_pages+0xd7c/0xdcc (P) [ 44.191450][ T6781] iopt_map_common+0x204/0x420 [ 44.192143][ T6781] iopt_map_user_pages+0xb4/0xd8 [ 44.192928][ T6781] iommufd_ioas_map+0x2d4/0x3d0 [ 44.193703][ T6781] iommufd_fops_ioctl+0x424/0x54c [ 44.194513][ T6781] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.195208][ T6781] invoke_syscall+0x98/0x254 [ 44.195898][ T6781] el0_svc_common+0xe8/0x23c [ 44.196578][ T6781] do_el0_svc+0x48/0x58 [ 44.197211][ T6781] el0_svc+0x5c/0x254 [ 44.197799][ T6781] el0t_64_sync_handler+0x84/0x12c [ 44.198628][ T6781] el0t_64_sync+0x198/0x19c [ 44.199303][ T6781] irq event stamp: 874 [ 44.199909][ T6781] hardirqs last enabled at (873): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.201362][ T6781] hardirqs last disabled at (874): [] el1_brk64+0x20/0x54 [ 44.202690][ T6781] softirqs last enabled at (160): [] local_bh_enable+0x10/0x34 [ 44.204023][ T6781] softirqs last disabled at (158): [] local_bh_disable+0x10/0x34 [ 44.205351][ T6781] ---[ end trace 0000000000000000 ]--- [ 44.216538][ T6782] iommufd_mock iommufd_mock0: Adding to iommu ** replaying previous printk message ** [ 44.216538][ T6782] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.217502][ T6782] ------------[ cut here ]------------ [ 44.217508][ T6782] WARNING: CPU: 0 PID: 6782 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.221731][ T6782] Modules linked in: [ 44.222368][ T6782] CPU: 0 UID: 0 PID: 6782 Comm: syz.0.60 Tainted: G W syzkaller #0 PREEMPT [ 44.223951][ T6782] Tainted: [W]=WARN [ 44.224497][ T6782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.225984][ T6782] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.227156][ T6782] pc : iopt_map_pages+0xd7c/0xdcc [ 44.227927][ T6782] lr : iopt_map_pages+0xd7c/0xdcc [ 44.228737][ T6782] sp : ffff8000a29d76c0 [ 44.229413][ T6782] x29: ffff8000a29d78a0 x28: ffff0000cec64810 x27: 1fffe00019d8c944 [ 44.230598][ T6782] x26: ffff8000a29d7b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.231882][ T6782] x23: ffff0000cec64a20 x22: ffff0000cec649f8 x21: 00000000ffffffea [ 44.233000][ T6782] x20: dfff800000000000 x19: ffff8000a29d79b0 x18: 0000000000000000 [ 44.234223][ T6782] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.235401][ T6782] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.236587][ T6782] x11: ffff0000c8921ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.237780][ T6782] x8 : ffff0000c8921ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 44.238947][ T6782] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.240103][ T6782] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.241295][ T6782] Call trace: [ 44.241838][ T6782] iopt_map_pages+0xd7c/0xdcc (P) [ 44.242610][ T6782] iopt_map_common+0x204/0x420 [ 44.243341][ T6782] iopt_map_user_pages+0xb4/0xd8 [ 44.244110][ T6782] iommufd_ioas_map+0x2d4/0x3d0 [ 44.244831][ T6782] iommufd_fops_ioctl+0x424/0x54c [ 44.245601][ T6782] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.246297][ T6782] invoke_syscall+0x98/0x254 [ 44.246906][ T6782] el0_svc_common+0xe8/0x23c [ 44.247617][ T6782] do_el0_svc+0x48/0x58 [ 44.248227][ T6782] el0_svc+0x5c/0x254 [ 44.248927][ T6782] el0t_64_sync_handler+0x84/0x12c [ 44.249687][ T6782] el0t_64_sync+0x198/0x19c [ 44.250345][ T6782] irq event stamp: 1594 [ 44.250959][ T6782] hardirqs last enabled at (1593): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.252430][ T6782] hardirqs last disabled at (1594): [] el1_brk64+0x20/0x54 [ 44.253736][ T6782] softirqs last enabled at (1560): [] local_bh_enable+0x10/0x34 [ 44.255085][ T6782] softirqs last disabled at (1558): [] local_bh_disable+0x10/0x34 [ 44.256488][ T6782] ---[ end trace 0000000000000000 ]--- [ 44.268158][ T6783] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.268485][ T6783] ------------[ cut here ]------------ [ 44.268491][ T6783] WARNING: CPU: 1 PID: 6783 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.272100][ T6783] Modules linked in: [ 44.272675][ T6783] CPU: 1 UID: 0 PID: 6783 Comm: syz.0.61 Tainted: G W syzkaller #0 PREEMPT [ 44.274261][ T6783] Tainted: [W]=WARN [ 44.274859][ T6783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.276485][ T6783] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.277670][ T6783] pc : iopt_map_pages+0xd7c/0xdcc [ 44.278382][ T6783] lr : iopt_map_pages+0xd7c/0xdcc [ 44.279133][ T6783] sp : ffff8000a29576c0 [ 44.279709][ T6783] x29: ffff8000a29578a0 x28: ffff0000cf99b810 x27: 1fffe00019f33744 [ 44.280904][ T6783] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.282100][ T6783] x23: ffff0000cf99ba20 x22: ffff0000cf99b9f8 x21: 00000000ffffffea [ 44.283309][ T6783] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 44.284567][ T6783] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.285735][ T6783] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.286894][ T6783] x11: ffff0000cc989ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.288113][ T6783] x8 : ffff0000cc989ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 44.289237][ T6783] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.290452][ T6783] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.291724][ T6783] Call trace: [ 44.292220][ T6783] iopt_map_pages+0xd7c/0xdcc (P) [ 44.292956][ T6783] iopt_map_common+0x204/0x420 [ 44.293699][ T6783] iopt_map_user_pages+0xb4/0xd8 [ 44.294455][ T6783] iommufd_ioas_map+0x2d4/0x3d0 [ 44.295170][ T6783] iommufd_fops_ioctl+0x424/0x54c [ 44.295912][ T6783] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.296656][ T6783] invoke_syscall+0x98/0x254 [ 44.297351][ T6783] el0_svc_common+0xe8/0x23c [ 44.298039][ T6783] do_el0_svc+0x48/0x58 [ 44.298668][ T6783] el0_svc+0x5c/0x254 [ 44.299286][ T6783] el0t_64_sync_handler+0x84/0x12c [ 44.300033][ T6783] el0t_64_sync+0x198/0x19c [ 44.300665][ T6783] irq event stamp: 836 [ 44.301228][ T6783] hardirqs last enabled at (835): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.302706][ T6783] hardirqs last disabled at (836): [] el1_brk64+0x20/0x54 [ 44.304073][ T6783] softirqs last enabled at (136): [] local_bh_enable+0x10/0x34 [ 44.305378][ T6783] softirqs last disabled at (134): [] local_bh_disable+0x10/0x34 [ 44.306606][ T6783] ---[ end trace 0000000000000000 ]--- [ 44.317662][ T6784] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.319147][ T6784] ------------[ cut here ]------------ [ 44.319157][ T6784] WARNING: CPU: 1 PID: 6784 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.321711][ T6784] Modules linked in: [ 44.322335][ T6784] CPU: 1 UID: 0 PID: 6784 Comm: syz.0.62 Tainted: G W syzkaller #0 PREEMPT [ 44.323927][ T6784] Tainted: [W]=WARN [ 44.324490][ T6784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.325993][ T6784] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.327288][ T6784] pc : iopt_map_pages+0xd7c/0xdcc [ 44.328140][ T6784] lr : iopt_map_pages+0xd7c/0xdcc [ 44.329012][ T6784] sp : ffff8000a08376c0 [ 44.329614][ T6784] x29: ffff8000a08378a0 x28: ffff0000c8971010 x27: 1fffe0001912e244 [ 44.330815][ T6784] x26: ffff8000a0837b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.332094][ T6784] x23: ffff0000c8971220 x22: ffff0000c89711f8 x21: 00000000ffffffea [ 44.333284][ T6784] x20: dfff800000000000 x19: ffff8000a08379b0 x18: 0000000000000000 [ 44.334522][ T6784] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.335748][ T6784] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.336963][ T6784] x11: ffff0000cef6bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.338194][ T6784] x8 : ffff0000cef6bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 44.339482][ T6784] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.340682][ T6784] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.341867][ T6784] Call trace: [ 44.342347][ T6784] iopt_map_pages+0xd7c/0xdcc (P) [ 44.343099][ T6784] iopt_map_common+0x204/0x420 [ 44.343821][ T6784] iopt_map_user_pages+0xb4/0xd8 [ 44.344517][ T6784] iommufd_ioas_map+0x2d4/0x3d0 [ 44.345246][ T6784] iommufd_fops_ioctl+0x424/0x54c [ 44.346013][ T6784] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.346899][ T6784] invoke_syscall+0x98/0x254 [ 44.347620][ T6784] el0_svc_common+0xe8/0x23c [ 44.348306][ T6784] do_el0_svc+0x48/0x58 [ 44.348975][ T6784] el0_svc+0x5c/0x254 [ 44.349615][ T6784] el0t_64_sync_handler+0x84/0x12c [ 44.350493][ T6784] el0t_64_sync+0x198/0x19c [ 44.351263][ T6784] irq event stamp: 858 [ 44.351914][ T6784] hardirqs last enabled at (857): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.353545][ T6784] hardirqs last disabled at (858): [] el1_brk64+0x20/0x54 [ 44.354967][ T6784] softirqs last enabled at (818): [] local_bh_enable+0x10/0x34 [ 44.356426][ T6784] softirqs last disabled at (816): [] local_bh_disable+0x10/0x34 [ 44.357893][ T6784] ---[ end trace 0000000000000000 ]--- [ 44.368406][ T6785] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.369810][ T6785] ------------[ cut here ]------------ [ 44.369823][ T6785] WARNING: CPU: 1 PID: 6785 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.372425][ T6785] Modules linked in: [ 44.373017][ T6785] CPU: 1 UID: 0 PID: 6785 Comm: syz.0.63 Tainted: G W syzkaller #0 PREEMPT [ 44.374583][ T6785] Tainted: [W]=WARN [ 44.375225][ T6785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.376690][ T6785] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.377853][ T6785] pc : iopt_map_pages+0xd7c/0xdcc [ 44.378586][ T6785] lr : iopt_map_pages+0xd7c/0xdcc [ 44.379354][ T6785] sp : ffff8000a29576c0 [ 44.380016][ T6785] x29: ffff8000a29578a0 x28: ffff0000c8972010 x27: 1fffe0001912e444 [ 44.381174][ T6785] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.382359][ T6785] x23: ffff0000c8972220 x22: ffff0000c89721f8 x21: 00000000ffffffea [ 44.383532][ T6785] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 44.384678][ T6785] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.385846][ T6785] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.387092][ T6785] x11: ffff0000c4511ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.388287][ T6785] x8 : ffff0000c4511ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 44.389467][ T6785] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.390626][ T6785] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.391788][ T6785] Call trace: [ 44.392257][ T6785] iopt_map_pages+0xd7c/0xdcc (P) [ 44.392984][ T6785] iopt_map_common+0x204/0x420 [ 44.393690][ T6785] iopt_map_user_pages+0xb4/0xd8 [ 44.394377][ T6785] iommufd_ioas_map+0x2d4/0x3d0 [ 44.395117][ T6785] iommufd_fops_ioctl+0x424/0x54c [ 44.395876][ T6785] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.396562][ T6785] invoke_syscall+0x98/0x254 [ 44.397180][ T6785] el0_svc_common+0xe8/0x23c [ 44.397835][ T6785] do_el0_svc+0x48/0x58 [ 44.398391][ T6785] el0_svc+0x5c/0x254 [ 44.399008][ T6785] el0t_64_sync_handler+0x84/0x12c [ 44.399713][ T6785] el0t_64_sync+0x198/0x19c [ 44.400449][ T6785] irq event stamp: 848 [ 44.401014][ T6785] hardirqs last enabled at (847): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.402497][ T6785] hardirqs last disabled at (848): [] el1_brk64+0x20/0x54 [ 44.403824][ T6785] softirqs last enabled at (814): [] local_bh_enable+0x10/0x34 [ 44.405232][ T6785] softirqs last disabled at (812): [] local_bh_disable+0x10/0x34 [ 44.406554][ T6785] ---[ end trace 0000000000000000 ]--- [ 44.416690][ T6786] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.418273][ T6786] ------------[ cut here ]------------ [ 44.418285][ T6786] WARNING: CPU: 1 PID: 6786 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.420980][ T6786] Modules linked in: [ 44.421629][ T6786] CPU: 1 UID: 0 PID: 6786 Comm: syz.0.64 Tainted: G W syzkaller #0 PREEMPT [ 44.423291][ T6786] Tainted: [W]=WARN [ 44.423925][ T6786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.425390][ T6786] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.426608][ T6786] pc : iopt_map_pages+0xd7c/0xdcc [ 44.427347][ T6786] lr : iopt_map_pages+0xd7c/0xdcc [ 44.428139][ T6786] sp : ffff8000a29576c0 [ 44.428779][ T6786] x29: ffff8000a29578a0 x28: ffff0000c8973010 x27: 1fffe0001912e644 [ 44.429979][ T6786] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.431202][ T6786] x23: ffff0000c8973220 x22: ffff0000c89731f8 x21: 00000000ffffffea [ 44.432450][ T6786] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 44.433697][ T6786] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.434949][ T6786] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.436185][ T6786] x11: ffff0000c4513d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.437434][ T6786] x8 : ffff0000c4513d80 x7 : 0000000000000000 x6 : 000000000000003f [ 44.438666][ T6786] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.439987][ T6786] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.441125][ T6786] Call trace: [ 44.441575][ T6786] iopt_map_pages+0xd7c/0xdcc (P) [ 44.442408][ T6786] iopt_map_common+0x204/0x420 [ 44.443146][ T6786] iopt_map_user_pages+0xb4/0xd8 [ 44.443882][ T6786] iommufd_ioas_map+0x2d4/0x3d0 [ 44.444600][ T6786] iommufd_fops_ioctl+0x424/0x54c [ 44.445317][ T6786] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.446046][ T6786] invoke_syscall+0x98/0x254 [ 44.446766][ T6786] el0_svc_common+0xe8/0x23c [ 44.447503][ T6786] do_el0_svc+0x48/0x58 [ 44.448134][ T6786] el0_svc+0x5c/0x254 [ 44.448768][ T6786] el0t_64_sync_handler+0x84/0x12c [ 44.449532][ T6786] el0t_64_sync+0x198/0x19c [ 44.450183][ T6786] irq event stamp: 1024 [ 44.450815][ T6786] hardirqs last enabled at (1023): [] ___slab_alloc+0x808/0x127c [ 44.452265][ T6786] hardirqs last disabled at (1024): [] el1_brk64+0x20/0x54 [ 44.453580][ T6786] softirqs last enabled at (982): [] local_bh_enable+0x10/0x34 [ 44.455003][ T6786] softirqs last disabled at (980): [] local_bh_disable+0x10/0x34 [ 44.456392][ T6786] ---[ end trace 0000000000000000 ]--- [ 44.468126][ T6787] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.469663][ T6787] ------------[ cut here ]------------ [ 44.469674][ T6787] WARNING: CPU: 1 PID: 6787 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.472356][ T6787] Modules linked in: [ 44.472953][ T6787] CPU: 1 UID: 0 PID: 6787 Comm: syz.0.65 Tainted: G W syzkaller #0 PREEMPT [ 44.474559][ T6787] Tainted: [W]=WARN [ 44.475155][ T6787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.476739][ T6787] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.478042][ T6787] pc : iopt_map_pages+0xd7c/0xdcc [ 44.478900][ T6787] lr : iopt_map_pages+0xd7c/0xdcc [ 44.479700][ T6787] sp : ffff8000a08376c0 [ 44.480305][ T6787] x29: ffff8000a08378a0 x28: ffff0000c8974010 x27: 1fffe0001912e844 [ 44.481569][ T6787] x26: ffff8000a0837b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.482764][ T6787] x23: ffff0000c8974220 x22: ffff0000c89741f8 x21: 00000000ffffffea [ 44.484079][ T6787] x20: dfff800000000000 x19: ffff8000a08379b0 x18: 0000000000000000 [ 44.485462][ T6787] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.486837][ T6787] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.488069][ T6787] x11: ffff0000c4515c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.489372][ T6787] x8 : ffff0000c4515c40 x7 : 0000000000000000 x6 : 000000000000003f [ 44.490580][ T6787] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.491825][ T6787] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.493002][ T6787] Call trace: [ 44.493481][ T6787] iopt_map_pages+0xd7c/0xdcc (P) [ 44.494221][ T6787] iopt_map_common+0x204/0x420 [ 44.494870][ T6787] iopt_map_user_pages+0xb4/0xd8 [ 44.495627][ T6787] iommufd_ioas_map+0x2d4/0x3d0 [ 44.496322][ T6787] iommufd_fops_ioctl+0x424/0x54c [ 44.497088][ T6787] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.497755][ T6787] invoke_syscall+0x98/0x254 [ 44.498430][ T6787] el0_svc_common+0xe8/0x23c [ 44.499193][ T6787] do_el0_svc+0x48/0x58 [ 44.499808][ T6787] el0_svc+0x5c/0x254 [ 44.500403][ T6787] el0t_64_sync_handler+0x84/0x12c [ 44.501192][ T6787] el0t_64_sync+0x198/0x19c [ 44.501900][ T6787] irq event stamp: 858 [ 44.502509][ T6787] hardirqs last enabled at (857): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.503963][ T6787] hardirqs last disabled at (858): [] el1_brk64+0x20/0x54 [ 44.505302][ T6787] softirqs last enabled at (818): [] local_bh_enable+0x10/0x34 [ 44.506695][ T6787] softirqs last disabled at (816): [] local_bh_disable+0x10/0x34 [ 44.508240][ T6787] ---[ end trace 0000000000000000 ]--- [ 44.520052][ T6788] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.521894][ T6788] ------------[ cut here ]------------ [ 44.521907][ T6788] WARNING: CPU: 1 PID: 6788 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.524409][ T6788] Modules linked in: [ 44.525037][ T6788] CPU: 1 UID: 0 PID: 6788 Comm: syz.0.66 Tainted: G W syzkaller #0 PREEMPT [ 44.526631][ T6788] Tainted: [W]=WARN [ 44.527233][ T6788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.528818][ T6788] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.530050][ T6788] pc : iopt_map_pages+0xd7c/0xdcc [ 44.530839][ T6788] lr : iopt_map_pages+0xd7c/0xdcc [ 44.531612][ T6788] sp : ffff80009ecf76c0 [ 44.532232][ T6788] x29: ffff80009ecf78a0 x28: ffff0000c8975010 x27: 1fffe0001912ea44 [ 44.533499][ T6788] x26: ffff80009ecf7b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.534788][ T6788] x23: ffff0000c8975220 x22: ffff0000c89751f8 x21: 00000000ffffffea [ 44.535995][ T6788] x20: dfff800000000000 x19: ffff80009ecf79b0 x18: 0000000000000000 [ 44.537204][ T6788] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.538353][ T6788] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.539502][ T6788] x11: ffff0000c4510000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.540786][ T6788] x8 : ffff0000c4510000 x7 : 0000000000000000 x6 : 000000000000003f [ 44.541909][ T6788] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.543130][ T6788] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.544334][ T6788] Call trace: [ 44.544816][ T6788] iopt_map_pages+0xd7c/0xdcc (P) [ 44.545586][ T6788] iopt_map_common+0x204/0x420 [ 44.546273][ T6788] iopt_map_user_pages+0xb4/0xd8 [ 44.546956][ T6788] iommufd_ioas_map+0x2d4/0x3d0 [ 44.547626][ T6788] iommufd_fops_ioctl+0x424/0x54c [ 44.548315][ T6788] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.549066][ T6788] invoke_syscall+0x98/0x254 [ 44.549750][ T6788] el0_svc_common+0xe8/0x23c [ 44.550427][ T6788] do_el0_svc+0x48/0x58 [ 44.551064][ T6788] el0_svc+0x5c/0x254 [ 44.551648][ T6788] el0t_64_sync_handler+0x84/0x12c [ 44.552421][ T6788] el0t_64_sync+0x198/0x19c [ 44.553051][ T6788] irq event stamp: 1848 [ 44.553656][ T6788] hardirqs last enabled at (1847): [] ___slab_alloc+0x808/0x127c [ 44.555074][ T6788] hardirqs last disabled at (1848): [] el1_brk64+0x20/0x54 [ 44.556369][ T6788] softirqs last enabled at (1812): [] local_bh_enable+0x10/0x34 [ 44.557686][ T6788] softirqs last disabled at (1810): [] local_bh_disable+0x10/0x34 [ 44.559008][ T6788] ---[ end trace 0000000000000000 ]--- [ 44.568764][ T6789] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.570099][ T6789] ------------[ cut here ]------------ [ 44.570110][ T6789] WARNING: CPU: 1 PID: 6789 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.572658][ T6789] Modules linked in: [ 44.573267][ T6789] CPU: 1 UID: 0 PID: 6789 Comm: syz.0.67 Tainted: G W syzkaller #0 PREEMPT [ 44.574891][ T6789] Tainted: [W]=WARN [ 44.575508][ T6789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.577058][ T6789] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.578231][ T6789] pc : iopt_map_pages+0xd7c/0xdcc [ 44.579012][ T6789] lr : iopt_map_pages+0xd7c/0xdcc [ 44.579765][ T6789] sp : ffff80009ece76c0 [ 44.580326][ T6789] x29: ffff80009ece78a0 x28: ffff0000c8976010 x27: 1fffe0001912ec44 [ 44.581379][ T6789] x26: ffff80009ece7b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.582642][ T6789] x23: ffff0000c8976220 x22: ffff0000c89761f8 x21: 00000000ffffffea [ 44.583839][ T6789] x20: dfff800000000000 x19: ffff80009ece79b0 x18: 0000000000000000 [ 44.585032][ T6789] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.586333][ T6789] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.587642][ T6789] x11: ffff0000cc98dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.588875][ T6789] x8 : ffff0000cc98dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 44.590092][ T6789] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.591280][ T6789] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.592564][ T6789] Call trace: [ 44.593059][ T6789] iopt_map_pages+0xd7c/0xdcc (P) [ 44.593842][ T6789] iopt_map_common+0x204/0x420 [ 44.594525][ T6789] iopt_map_user_pages+0xb4/0xd8 [ 44.595255][ T6789] iommufd_ioas_map+0x2d4/0x3d0 [ 44.595938][ T6789] iommufd_fops_ioctl+0x424/0x54c [ 44.596701][ T6789] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.597442][ T6789] invoke_syscall+0x98/0x254 [ 44.598178][ T6789] el0_svc_common+0xe8/0x23c [ 44.598927][ T6789] do_el0_svc+0x48/0x58 [ 44.599546][ T6789] el0_svc+0x5c/0x254 [ 44.600116][ T6789] el0t_64_sync_handler+0x84/0x12c [ 44.600810][ T6789] el0t_64_sync+0x198/0x19c [ 44.601467][ T6789] irq event stamp: 940 [ 44.602024][ T6789] hardirqs last enabled at (939): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.603434][ T6789] hardirqs last disabled at (940): [] el1_brk64+0x20/0x54 [ 44.604687][ T6789] softirqs last enabled at (906): [] local_bh_enable+0x10/0x34 [ 44.606031][ T6789] softirqs last disabled at (904): [] local_bh_disable+0x10/0x34 [ 44.607386][ T6789] ---[ end trace 0000000000000000 ]--- [ 44.618394][ T ** replaying previous printk message ** [ 44.618394][ T6790] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.618725][ T6790] ------------[ cut here ]------------ [ 44.618729][ T6790] WARNING: CPU: 1 PID: 6790 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.622800][ T6790] Modules linked in: [ 44.623405][ T6790] CPU: 1 UID: 0 PID: 6790 Comm: syz.0.68 Tainted: G W syzkaller #0 PREEMPT [ 44.624996][ T6790] Tainted: [W]=WARN [ 44.625578][ T6790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.627211][ T6790] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.628532][ T6790] pc : iopt_map_pages+0xd7c/0xdcc [ 44.629301][ T6790] lr : iopt_map_pages+0xd7c/0xdcc [ 44.630097][ T6790] sp : ffff8000a29d76c0 [ 44.630761][ T6790] x29: ffff8000a29d78a0 x28: ffff0000d8c02010 x27: 1fffe0001b180444 [ 44.632036][ T6790] x26: ffff8000a29d7b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.633234][ T6790] x23: ffff0000d8c02220 x22: ffff0000d8c021f8 x21: 00000000ffffffea [ 44.634460][ T6790] x20: dfff800000000000 x19: ffff8000a29d79b0 x18: 0000000000000000 [ 44.635740][ T6790] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.636917][ T6790] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.638137][ T6790] x11: ffff0000dc3b3d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.639423][ T6790] x8 : ffff0000dc3b3d80 x7 : 0000000000000000 x6 : 000000000000003f [ 44.641153][ T6790] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.642374][ T6790] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.643586][ T6790] Call trace: [ 44.644026][ T6790] iopt_map_pages+0xd7c/0xdcc (P) [ 44.644766][ T6790] iopt_map_common+0x204/0x420 [ 44.645461][ T6790] iopt_map_user_pages+0xb4/0xd8 [ 44.646164][ T6790] iommufd_ioas_map+0x2d4/0x3d0 [ 44.647037][ T6790] iommufd_fops_ioctl+0x424/0x54c [ 44.647743][ T6790] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.648509][ T6790] invoke_syscall+0x98/0x254 [ 44.649142][ T6790] el0_svc_common+0xe8/0x23c [ 44.649826][ T6790] do_el0_svc+0x48/0x58 [ 44.650462][ T6790] el0_svc+0x5c/0x254 [ 44.651062][ T6790] el0t_64_sync_handler+0x84/0x12c [ 44.651867][ T6790] el0t_64_sync+0x198/0x19c [ 44.652572][ T6790] irq event stamp: 860 [ 44.653213][ T6790] hardirqs last enabled at (859): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.654786][ T6790] hardirqs last disabled at (860): [] el1_brk64+0x20/0x54 [ 44.656078][ T6790] softirqs last enabled at (148): [] local_bh_enable+0x10/0x34 [ 44.657430][ T6790] softirqs last disabled at (146): [] local_bh_disable+0x10/0x34 [ 44.658861][ T6790] ---[ end trace 0000000000000000 ]--- [ 44.668241][ T67 ** replaying previous printk message ** [ 44.668241][ T6791] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.668572][ T6791] ------------[ cut here ]------------ [ 44.668577][ T6791] WARNING: CPU: 1 PID: 6791 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.672872][ T6791] Modules linked in: [ 44.673458][ T6791] CPU: 1 UID: 0 PID: 6791 Comm: syz.0.69 Tainted: G W syzkaller #0 PREEMPT [ 44.675064][ T6791] Tainted: [W]=WARN [ 44.675656][ T6791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.677203][ T6791] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.678345][ T6791] pc : iopt_map_pages+0xd7c/0xdcc [ 44.679102][ T6791] lr : iopt_map_pages+0xd7c/0xdcc [ 44.679880][ T6791] sp : ffff8000a29576c0 [ 44.680514][ T6791] x29: ffff8000a29578a0 x28: ffff0000d8c01010 x27: 1fffe0001b180244 [ 44.681777][ T6791] x26: ffff8000a2957b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.682955][ T6791] x23: ffff0000d8c01220 x22: ffff0000d8c011f8 x21: 00000000ffffffea [ 44.684211][ T6791] x20: dfff800000000000 x19: ffff8000a29579b0 x18: 0000000000000000 [ 44.685451][ T6791] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.686721][ T6791] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.687986][ T6791] x11: ffff0000dc3b1ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.689187][ T6791] x8 : ffff0000dc3b1ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 44.690436][ T6791] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.691730][ T6791] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.692976][ T6791] Call trace: [ 44.693503][ T6791] iopt_map_pages+0xd7c/0xdcc (P) [ 44.694269][ T6791] iopt_map_common+0x204/0x420 [ 44.694976][ T6791] iopt_map_user_pages+0xb4/0xd8 [ 44.695722][ T6791] iommufd_ioas_map+0x2d4/0x3d0 [ 44.696497][ T6791] iommufd_fops_ioctl+0x424/0x54c [ 44.697229][ T6791] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.697976][ T6791] invoke_syscall+0x98/0x254 [ 44.698640][ T6791] el0_svc_common+0xe8/0x23c [ 44.699631][ T6791] do_el0_svc+0x48/0x58 [ 44.700238][ T6791] el0_svc+0x5c/0x254 [ 44.700821][ T6791] el0t_64_sync_handler+0x84/0x12c [ 44.701591][ T6791] el0t_64_sync+0x198/0x19c [ 44.702332][ T6791] irq event stamp: 818 [ 44.702966][ T6791] hardirqs last enabled at (817): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.704458][ T6791] hardirqs last disabled at (818): [] el1_brk64+0x20/0x54 [ 44.705787][ T6791] softirqs last enabled at (134): [] local_bh_enable+0x10/0x34 [ 44.707133][ T6791] softirqs last disabled at (132): [] local_bh_disable+0x10/0x34 [ 44.708521][ T6791] ---[ end trace 0000000000000000 ]--- [ 44.718783][ T6 ** replaying previous printk message ** [ 44.718783][ T6792] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.719129][ T6792] ------------[ cut here ]------------ [ 44.719133][ T6792] WARNING: CPU: 1 PID: 6792 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.723352][ T6792] Modules linked in: [ 44.723938][ T6792] CPU: 1 UID: 0 PID: 6792 Comm: syz.0.70 Tainted: G W syzkaller #0 PREEMPT [ 44.725641][ T6792] Tainted: [W]=WARN [ 44.726278][ T6792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.727781][ T6792] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.729006][ T6792] pc : iopt_map_pages+0xd7c/0xdcc [ 44.729774][ T6792] lr : iopt_map_pages+0xd7c/0xdcc [ 44.730580][ T6792] sp : ffff8000a08176c0 [ 44.731219][ T6792] x29: ffff8000a08178a0 x28: ffff0000c6be4810 x27: 1fffe00018d7c944 [ 44.732524][ T6792] x26: ffff8000a0817b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.733695][ T6792] x23: ffff0000c6be4a20 x22: ffff0000c6be49f8 x21: 00000000ffffffea [ 44.734976][ T6792] x20: dfff800000000000 x19: ffff8000a08179b0 x18: 0000000000000000 [ 44.736179][ T6792] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.737387][ T6792] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.738716][ T6792] x11: ffff0000c5ab5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.740024][ T6792] x8 : ffff0000c5ab5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 44.741400][ T6792] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.742709][ T6792] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.743976][ T6792] Call trace: [ 44.744503][ T6792] iopt_map_pages+0xd7c/0xdcc (P) [ 44.745339][ T6792] iopt_map_common+0x204/0x420 [ 44.746084][ T6792] iopt_map_user_pages+0xb4/0xd8 [ 44.746855][ T6792] iommufd_ioas_map+0x2d4/0x3d0 [ 44.747597][ T6792] iommufd_fops_ioctl+0x424/0x54c [ 44.748350][ T6792] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.749125][ T6792] invoke_syscall+0x98/0x254 [ 44.749845][ T6792] el0_svc_common+0xe8/0x23c [ 44.750573][ T6792] do_el0_svc+0x48/0x58 [ 44.751221][ T6792] el0_svc+0x5c/0x254 [ 44.751816][ T6792] el0t_64_sync_handler+0x84/0x12c [ 44.752617][ T6792] el0t_64_sync+0x198/0x19c [ 44.753330][ T6792] irq event stamp: 874 [ 44.753924][ T6792] hardirqs last enabled at (873): [] ___slab_alloc+0x808/0x127c [ 44.755332][ T6792] hardirqs last disabled at (874): [] el1_brk64+0x20/0x54 [ 44.756608][ T6792] softirqs last enabled at (138): [] local_bh_enable+0x10/0x34 [ 44.758025][ T6792] softirqs last disabled at (136): [] local_bh_disable+0x10/0x34 [ 44.759495][ T6792] ---[ end trace 0000000000000000 ]--- [ 44.769331][ T6793 ** replaying previous printk message ** [ 44.769331][ T6793] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.769672][ T6793] ------------[ cut here ]------------ [ 44.769676][ T6793] WARNING: CPU: 1 PID: 6793 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.773694][ T6793] Modules linked in: [ 44.774292][ T6793] CPU: 1 UID: 0 PID: 6793 Comm: syz.0.71 Tainted: G W syzkaller #0 PREEMPT [ 44.775882][ T6793] Tainted: [W]=WARN [ 44.776521][ T6793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.778103][ T6793] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.779396][ T6793] pc : iopt_map_pages+0xd7c/0xdcc [ 44.780228][ T6793] lr : iopt_map_pages+0xd7c/0xdcc [ 44.781023][ T6793] sp : ffff8000a08176c0 [ 44.781679][ T6793] x29: ffff8000a08178a0 x28: ffff0000c6be3810 x27: 1fffe00018d7c744 [ 44.782922][ T6793] x26: ffff8000a0817b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.784122][ T6793] x23: ffff0000c6be3a20 x22: ffff0000c6be39f8 x21: 00000000ffffffea [ 44.785276][ T6793] x20: dfff800000000000 x19: ffff8000a08179b0 x18: 0000000000000000 [ 44.786436][ T6793] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.787656][ T6793] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.788869][ T6793] x11: ffff0000d058bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.790169][ T6793] x8 : ffff0000d058bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 44.791375][ T6793] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.792515][ T6793] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.793721][ T6793] Call trace: [ 44.794203][ T6793] iopt_map_pages+0xd7c/0xdcc (P) [ 44.794882][ T6793] iopt_map_common+0x204/0x420 [ 44.795611][ T6793] iopt_map_user_pages+0xb4/0xd8 [ 44.796352][ T6793] iommufd_ioas_map+0x2d4/0x3d0 [ 44.797115][ T6793] iommufd_fops_ioctl+0x424/0x54c [ 44.797832][ T6793] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.798577][ T6793] invoke_syscall+0x98/0x254 [ 44.799199][ T6793] el0_svc_common+0xe8/0x23c [ 44.799867][ T6793] do_el0_svc+0x48/0x58 [ 44.800504][ T6793] el0_svc+0x5c/0x254 [ 44.801134][ T6793] el0t_64_sync_handler+0x84/0x12c [ 44.801917][ T6793] el0t_64_sync+0x198/0x19c [ 44.802627][ T6793] irq event stamp: 918 [ 44.803260][ T6793] hardirqs last enabled at (917): [] ___slab_alloc+0x808/0x127c [ 44.804639][ T6793] hardirqs last disabled at (918): [] el1_brk64+0x20/0x54 [ 44.805866][ T6793] softirqs last enabled at (204): [] local_bh_enable+0x10/0x34 [ 44.807242][ T6793] softirqs last disabled at (202): [] local_bh_disable+0x10/0x34 [ 44.808540][ T6793] ---[ end trace 0000000000000000 ]--- [ 44.817831][ T6794] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.819326][ T6794] ------------[ cut here ]------------ [ 44.819337][ T6794] WARNING: CPU: 1 PID: 6794 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.821950][ T6794] Modules linked in: [ 44.822566][ T6794] CPU: 1 UID: 0 PID: 6794 Comm: syz.0.72 Tainted: G W syzkaller #0 PREEMPT [ 44.824168][ T6794] Tainted: [W]=WARN [ 44.824741][ T6794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.826146][ T6794] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.827323][ T6794] pc : iopt_map_pages+0xd7c/0xdcc [ 44.828077][ T6794] lr : iopt_map_pages+0xd7c/0xdcc [ 44.828861][ T6794] sp : ffff8000a08076c0 [ 44.829479][ T6794] x29: ffff8000a08078a0 x28: ffff0000cc1d3010 x27: 1fffe0001983a644 [ 44.830643][ T6794] x26: ffff8000a0807b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.831813][ T6794] x23: ffff0000cc1d3220 x22: ffff0000cc1d31f8 x21: 00000000ffffffea [ 44.833035][ T6794] x20: dfff800000000000 x19: ffff8000a08079b0 x18: 0000000000000000 [ 44.834195][ T6794] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.835519][ T6794] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.836782][ T6794] x11: ffff0000d0588000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.838006][ T6794] x8 : ffff0000d0588000 x7 : 0000000000000000 x6 : 000000000000003f [ 44.839210][ T6794] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.840381][ T6794] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.841561][ T6794] Call trace: [ 44.842069][ T6794] iopt_map_pages+0xd7c/0xdcc (P) [ 44.842817][ T6794] iopt_map_common+0x204/0x420 [ 44.843546][ T6794] iopt_map_user_pages+0xb4/0xd8 [ 44.844235][ T6794] iommufd_ioas_map+0x2d4/0x3d0 [ 44.844924][ T6794] iommufd_fops_ioctl+0x424/0x54c [ 44.845677][ T6794] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.846432][ T6794] invoke_syscall+0x98/0x254 [ 44.847197][ T6794] el0_svc_common+0xe8/0x23c [ 44.847873][ T6794] do_el0_svc+0x48/0x58 [ 44.848474][ T6794] el0_svc+0x5c/0x254 [ 44.849055][ T6794] el0t_64_sync_handler+0x84/0x12c [ 44.849834][ T6794] el0t_64_sync+0x198/0x19c [ 44.850571][ T6794] irq event stamp: 854 [ 44.851118][ T6794] hardirqs last enabled at (853): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.852511][ T6794] hardirqs last disabled at (854): [] el1_brk64+0x20/0x54 [ 44.853820][ T6794] softirqs last enabled at (820): [] local_bh_enable+0x10/0x34 [ 44.855138][ T6794] softirqs last disabled at (818): [] local_bh_disable+0x10/0x34 [ 44.856433][ T6794] ---[ end trace 0000000000000000 ]--- [ 44.865929][ T6 ** replaying previous printk message ** [ 44.865929][ T6795] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.866268][ T6795] ------------[ cut here ]------------ [ 44.866273][ T6795] WARNING: CPU: 1 PID: 6795 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.870444][ T6795] Modules linked in: [ 44.871049][ T6795] CPU: 1 UID: 0 PID: 6795 Comm: syz.0.73 Tainted: G W syzkaller #0 PREEMPT [ 44.872581][ T6795] Tainted: [W]=WARN [ 44.873162][ T6795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.874712][ T6795] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.875878][ T6795] pc : iopt_map_pages+0xd7c/0xdcc [ 44.876625][ T6795] lr : iopt_map_pages+0xd7c/0xdcc [ 44.877412][ T6795] sp : ffff8000a07c76c0 [ 44.878021][ T6795] x29: ffff8000a07c78a0 x28: ffff0000cd43f810 x27: 1fffe00019a87f44 [ 44.879270][ T6795] x26: ffff8000a07c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.880479][ T6795] x23: ffff0000cd43fa20 x22: ffff0000cd43f9f8 x21: 00000000ffffffea [ 44.881623][ T6795] x20: dfff800000000000 x19: ffff8000a07c79b0 x18: 0000000000000000 [ 44.882920][ T6795] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.884236][ T6795] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.885484][ T6795] x11: ffff0000c4575c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.886696][ T6795] x8 : ffff0000c4575c40 x7 : 0000000000000000 x6 : 000000000000003f [ 44.887968][ T6795] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.889234][ T6795] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.890501][ T6795] Call trace: [ 44.891000][ T6795] iopt_map_pages+0xd7c/0xdcc (P) [ 44.891813][ T6795] iopt_map_common+0x204/0x420 [ 44.892510][ T6795] iopt_map_user_pages+0xb4/0xd8 [ 44.893261][ T6795] iommufd_ioas_map+0x2d4/0x3d0 [ 44.894023][ T6795] iommufd_fops_ioctl+0x424/0x54c [ 44.894808][ T6795] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.895552][ T6795] invoke_syscall+0x98/0x254 [ 44.896286][ T6795] el0_svc_common+0xe8/0x23c [ 44.897015][ T6795] do_el0_svc+0x48/0x58 [ 44.897587][ T6795] el0_svc+0x5c/0x254 [ 44.898171][ T6795] el0t_64_sync_handler+0x84/0x12c [ 44.898887][ T6795] el0t_64_sync+0x198/0x19c [ 44.899521][ T6795] irq event stamp: 1094 [ 44.900143][ T6795] hardirqs last enabled at (1093): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.901690][ T6795] hardirqs last disabled at (1094): [] el1_brk64+0x20/0x54 [ 44.902911][ T6795] softirqs last enabled at (528): [] handle_softirqs+0xaf8/0xc88 [ 44.904264][ T6795] softirqs last disabled at (311): [] __do_softirq+0x14/0x20 [ 44.905607][ T6795] ---[ end trace 0000000000000000 ]--- [ 44.915814][ T67 ** replaying previous printk message ** [ 44.915814][ T6796] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.916182][ T6796] ------------[ cut here ]------------ [ 44.916186][ T6796] WARNING: CPU: 1 PID: 6796 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.920333][ T6796] Modules linked in: [ 44.920957][ T6796] CPU: 1 UID: 0 PID: 6796 Comm: syz.0.74 Tainted: G W syzkaller #0 PREEMPT [ 44.922493][ T6796] Tainted: [W]=WARN [ 44.923108][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.924607][ T6796] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.925796][ T6796] pc : iopt_map_pages+0xd7c/0xdcc [ 44.926536][ T6796] lr : iopt_map_pages+0xd7c/0xdcc [ 44.927303][ T6796] sp : ffff8000a07b76c0 [ 44.927993][ T6796] x29: ffff8000a07b78a0 x28: ffff0000cf803810 x27: 1fffe00019f00744 [ 44.929251][ T6796] x26: ffff8000a07b7b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.930462][ T6796] x23: ffff0000cf803a20 x22: ffff0000cf8039f8 x21: 00000000ffffffea [ 44.931644][ T6796] x20: dfff800000000000 x19: ffff8000a07b79b0 x18: 0000000000000000 [ 44.932859][ T6796] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.934079][ T6796] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.935370][ T6796] x11: ffff0000c4a55c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.936581][ T6796] x8 : ffff0000c4a55c40 x7 : 0000000000000000 x6 : 000000000000003f [ 44.937767][ T6796] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.938948][ T6796] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.940203][ T6796] Call trace: [ 44.940711][ T6796] iopt_map_pages+0xd7c/0xdcc (P) [ 44.941586][ T6796] iopt_map_common+0x204/0x420 [ 44.942319][ T6796] iopt_map_user_pages+0xb4/0xd8 [ 44.943104][ T6796] iommufd_ioas_map+0x2d4/0x3d0 [ 44.943923][ T6796] iommufd_fops_ioctl+0x424/0x54c [ 44.944705][ T6796] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.945397][ T6796] invoke_syscall+0x98/0x254 [ 44.946090][ T6796] el0_svc_common+0xe8/0x23c [ 44.946882][ T6796] do_el0_svc+0x48/0x58 [ 44.947498][ T6796] el0_svc+0x5c/0x254 [ 44.948032][ T6796] el0t_64_sync_handler+0x84/0x12c [ 44.948798][ T6796] el0t_64_sync+0x198/0x19c [ 44.949454][ T6796] irq event stamp: 1186 [ 44.950027][ T6796] hardirqs last enabled at (1185): [] kasan_quarantine_put+0x1a0/0x1c8 [ 44.951454][ T6796] hardirqs last disabled at (1186): [] el1_brk64+0x20/0x54 [ 44.952762][ T6796] softirqs last enabled at (684): [] handle_softirqs+0xaf8/0xc88 [ 44.954118][ T6796] softirqs last disabled at (583): [] __do_softirq+0x14/0x20 [ 44.955504][ T6796] ---[ end trace 0000000000000000 ]--- [ 44.964696][ T6797] iommufd_mock iommufd_mock0: Adding to iommu group 0 ** replaying previous printk message ** [ 44.964696][ T6797] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 44.965818][ T6797] ------------[ cut here ]------------ [ 44.965824][ T6797] WARNING: CPU: 1 PID: 6797 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 44.970099][ T6797] Modules linked in: [ 44.970716][ T6797] CPU: 1 UID: 0 PID: 6797 Comm: syz.0.75 Tainted: G W syzkaller #0 PREEMPT [ 44.972367][ T6797] Tainted: [W]=WARN [ 44.972971][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.974545][ T6797] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.975724][ T6797] pc : iopt_map_pages+0xd7c/0xdcc [ 44.976518][ T6797] lr : iopt_map_pages+0xd7c/0xdcc [ 44.977385][ T6797] sp : ffff80009ece76c0 [ 44.978039][ T6797] x29: ffff80009ece78a0 x28: ffff0000d2810010 x27: 1fffe0001a502044 [ 44.979318][ T6797] x26: ffff80009ece7b00 x25: 0000000000002fff x24: 0000000000003000 [ 44.980562][ T6797] x23: ffff0000d2810220 x22: ffff0000d28101f8 x21: 00000000ffffffea [ 44.981892][ T6797] x20: dfff800000000000 x19: ffff80009ece79b0 x18: 0000000000000000 [ 44.983033][ T6797] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 44.984264][ T6797] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 44.985473][ T6797] x11: ffff0000cc98bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 44.986709][ T6797] x8 : ffff0000cc98bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 44.988003][ T6797] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 44.989268][ T6797] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 44.990529][ T6797] Call trace: [ 44.990995][ T6797] iopt_map_pages+0xd7c/0xdcc (P) [ 44.991757][ T6797] iopt_map_common+0x204/0x420 [ 44.992456][ T6797] iopt_map_user_pages+0xb4/0xd8 [ 44.993279][ T6797] iommufd_ioas_map+0x2d4/0x3d0 [ 44.993964][ T6797] iommufd_fops_ioctl+0x424/0x54c [ 44.994780][ T6797] __arm64_sys_ioctl+0x14c/0x1c4 [ 44.995545][ T6797] invoke_syscall+0x98/0x254 [ 44.996213][ T6797] el0_svc_common+0xe8/0x23c [ 44.996922][ T6797] do_el0_svc+0x48/0x58 [ 44.997521][ T6797] el0_svc+0x5c/0x254 [ 44.998106][ T6797] el0t_64_sync_handler+0x84/0x12c [ 44.998906][ T6797] el0t_64_sync+0x198/0x19c [ 44.999550][ T6797] irq event stamp: 932 [ 45.000118][ T6797] hardirqs last enabled at (931): [] ___slab_alloc+0x808/0x127c [ 45.001488][ T6797] hardirqs last disabled at (932): [] el1_brk64+0x20/0x54 [ 45.002779][ T6797] softirqs last enabled at (890): [] local_bh_enable+0x10/0x34 [ 45.004160][ T6797] softirqs last disabled at (888): [] local_bh_disable+0x10/0x34 [ 45.005533][ T6797] ---[ end trace 0000000000000000 ]--- [ 45.007200][ T6618] Bluetooth: hci0: command tx timeout [ 45.017402][ T67 ** replaying previous printk message ** [ 45.017402][ T6798] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.017741][ T6798] ------------[ cut here ]------------ [ 45.017746][ T6798] WARNING: CPU: 1 PID: 6798 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.021887][ T6798] Modules linked in: [ 45.022453][ T6798] CPU: 1 UID: 0 PID: 6798 Comm: syz.0.76 Tainted: G W syzkaller #0 PREEMPT [ 45.024025][ T6798] Tainted: [W]=WARN [ 45.024629][ T6798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.026070][ T6798] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.027240][ T6798] pc : iopt_map_pages+0xd7c/0xdcc [ 45.027924][ T6798] lr : iopt_map_pages+0xd7c/0xdcc [ 45.028582][ T6798] sp : ffff8000a07a76c0 [ 45.029183][ T6798] x29: ffff8000a07a78a0 x28: ffff0000cf802810 x27: 1fffe00019f00544 [ 45.030422][ T6798] x26: ffff8000a07a7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.031599][ T6798] x23: ffff0000cf802a20 x22: ffff0000cf8029f8 x21: 00000000ffffffea [ 45.032840][ T6798] x20: dfff800000000000 x19: ffff8000a07a79b0 x18: 0000000000000000 [ 45.034020][ T6798] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.035297][ T6798] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.036534][ T6798] x11: ffff0000c4a50000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.037727][ T6798] x8 : ffff0000c4a50000 x7 : 0000000000000000 x6 : 000000000000003f [ 45.038979][ T6798] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.040266][ T6798] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.041567][ T6798] Call trace: [ 45.042097][ T6798] iopt_map_pages+0xd7c/0xdcc (P) [ 45.042837][ T6798] iopt_map_common+0x204/0x420 [ 45.043647][ T6798] iopt_map_user_pages+0xb4/0xd8 [ 45.044352][ T6798] iommufd_ioas_map+0x2d4/0x3d0 [ 45.045013][ T6798] iommufd_fops_ioctl+0x424/0x54c [ 45.045770][ T6798] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.046513][ T6798] invoke_syscall+0x98/0x254 [ 45.047238][ T6798] el0_svc_common+0xe8/0x23c [ 45.047891][ T6798] do_el0_svc+0x48/0x58 [ 45.048490][ T6798] el0_svc+0x5c/0x254 [ 45.049103][ T6798] el0t_64_sync_handler+0x84/0x12c [ 45.049806][ T6798] el0t_64_sync+0x198/0x19c [ 45.050483][ T6798] irq event stamp: 912 [ 45.051028][ T6798] hardirqs last enabled at (911): [] ___slab_alloc+0x808/0x127c [ 45.052448][ T6798] hardirqs last disabled at (912): [] el1_brk64+0x20/0x54 [ 45.053697][ T6798] softirqs last enabled at (166): [] local_bh_enable+0x10/0x34 [ 45.055047][ T6798] softirqs last disabled at (164): [] local_bh_disable+0x10/0x34 [ 45.056486][ T6798] ---[ end trace 0000000000000000 ]--- [ 45.067323][ T6799] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.068812][ T6799] ------------[ cut here ]------------ [ 45.068825][ T6799] WARNING: CPU: 1 PID: 6799 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.071432][ T6799] Modules linked in: [ 45.072124][ T6799] CPU: 1 UID: 0 PID: 6799 Comm: syz.0.77 Tainted: G W syzkaller #0 PREEMPT [ 45.073743][ T6799] Tainted: [W]=WARN [ 45.074348][ T6799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.075888][ T6799] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.077095][ T6799] pc : iopt_map_pages+0xd7c/0xdcc [ 45.077803][ T6799] lr : iopt_map_pages+0xd7c/0xdcc [ 45.078565][ T6799] sp : ffff8000a07976c0 [ 45.079220][ T6799] x29: ffff8000a07978a0 x28: ffff0000d2812810 x27: 1fffe0001a502544 [ 45.080411][ T6799] x26: ffff8000a0797b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.081657][ T6799] x23: ffff0000d2812a20 x22: ffff0000d28129f8 x21: 00000000ffffffea [ 45.083004][ T6799] x20: dfff800000000000 x19: ffff8000a07979b0 x18: 0000000000000000 [ 45.084374][ T6799] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.085585][ T6799] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.086890][ T6799] x11: ffff0000c6619ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.088103][ T6799] x8 : ffff0000c6619ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 45.089372][ T6799] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.090550][ T6799] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.091664][ T6799] Call trace: [ 45.092135][ T6799] iopt_map_pages+0xd7c/0xdcc (P) [ 45.092908][ T6799] iopt_map_common+0x204/0x420 [ 45.093650][ T6799] iopt_map_user_pages+0xb4/0xd8 [ 45.094314][ T6799] iommufd_ioas_map+0x2d4/0x3d0 [ 45.095087][ T6799] iommufd_fops_ioctl+0x424/0x54c [ 45.095807][ T6799] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.096608][ T6799] invoke_syscall+0x98/0x254 [ 45.097276][ T6799] el0_svc_common+0xe8/0x23c [ 45.097922][ T6799] do_el0_svc+0x48/0x58 [ 45.098493][ T6799] el0_svc+0x5c/0x254 [ 45.099030][ T6799] el0t_64_sync_handler+0x84/0x12c [ 45.099760][ T6799] el0t_64_sync+0x198/0x19c [ 45.100378][ T6799] irq event stamp: 848 [ 45.101026][ T6799] hardirqs last enabled at (847): [] ___slab_alloc+0x808/0x127c [ 45.102450][ T6799] hardirqs last disabled at (848): [] el1_brk64+0x20/0x54 [ 45.103755][ T6799] softirqs last enabled at (808): [] local_bh_enable+0x10/0x34 [ 45.105044][ T6799] softirqs last disabled at (806): [] local_bh_disable+0x10/0x34 [ 45.106454][ T6799] ---[ end trace 0000000000000000 ]--- [ 45.117140][ T680 ** replaying previous printk message ** [ 45.117140][ T6800] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.117471][ T6800] ------------[ cut here ]------------ [ 45.117475][ T6800] WARNING: CPU: 1 PID: 6800 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.121762][ T6800] Modules linked in: [ 45.122420][ T6800] CPU: 1 UID: 0 PID: 6800 Comm: syz.0.78 Tainted: G W syzkaller #0 PREEMPT [ 45.124035][ T6800] Tainted: [W]=WARN [ 45.124651][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.126165][ T6800] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.127414][ T6800] pc : iopt_map_pages+0xd7c/0xdcc [ 45.128145][ T6800] lr : iopt_map_pages+0xd7c/0xdcc [ 45.128910][ T6800] sp : ffff8000a07876c0 [ 45.129504][ T6800] x29: ffff8000a07878a0 x28: ffff0000d2f50810 x27: 1fffe0001a5ea144 [ 45.130763][ T6800] x26: ffff8000a0787b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.131982][ T6800] x23: ffff0000d2f50a20 x22: ffff0000d2f509f8 x21: 00000000ffffffea [ 45.133150][ T6800] x20: dfff800000000000 x19: ffff8000a07879b0 x18: 0000000000000000 [ 45.134408][ T6800] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.135715][ T6800] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.136966][ T6800] x11: ffff0000c63a8000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.138235][ T6800] x8 : ffff0000c63a8000 x7 : 0000000000000000 x6 : 000000000000003f [ 45.139476][ T6800] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.140700][ T6800] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.141903][ T6800] Call trace: [ 45.142487][ T6800] iopt_map_pages+0xd7c/0xdcc (P) [ 45.143215][ T6800] iopt_map_common+0x204/0x420 [ 45.143916][ T6800] iopt_map_user_pages+0xb4/0xd8 [ 45.144711][ T6800] iommufd_ioas_map+0x2d4/0x3d0 [ 45.145450][ T6800] iommufd_fops_ioctl+0x424/0x54c [ 45.146192][ T6800] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.146905][ T6800] invoke_syscall+0x98/0x254 [ 45.147612][ T6800] el0_svc_common+0xe8/0x23c [ 45.148274][ T6800] do_el0_svc+0x48/0x58 [ 45.148914][ T6800] el0_svc+0x5c/0x254 [ 45.149455][ T6800] el0t_64_sync_handler+0x84/0x12c [ 45.150233][ T6800] el0t_64_sync+0x198/0x19c [ 45.150900][ T6800] irq event stamp: 856 [ 45.151495][ T6800] hardirqs last enabled at (855): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.152914][ T6800] hardirqs last disabled at (856): [] el1_brk64+0x20/0x54 [ 45.154221][ T6800] softirqs last enabled at (142): [] local_bh_enable+0x10/0x34 [ 45.155566][ T6800] softirqs last disabled at (140): [] local_bh_disable+0x10/0x34 [ 45.156921][ T6800] ---[ end trace 0000000000000000 ]--- [ 45.168199][ T6801] ** replaying previous printk message ** [ 45.168199][ T6801] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.168556][ T6801] ------------[ cut here ]------------ [ 45.168561][ T6801] WARNING: CPU: 1 PID: 6801 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.172823][ T6801] Modules linked in: [ 45.173506][ T6801] CPU: 1 UID: 0 PID: 6801 Comm: syz.0.79 Tainted: G W syzkaller #0 PREEMPT [ 45.175092][ T6801] Tainted: [W]=WARN [ 45.175659][ T6801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.177255][ T6801] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.178433][ T6801] pc : iopt_map_pages+0xd7c/0xdcc [ 45.179127][ T6801] lr : iopt_map_pages+0xd7c/0xdcc [ 45.179858][ T6801] sp : ffff8000a07776c0 [ 45.180484][ T6801] x29: ffff8000a07778a0 x28: ffff0000d2f51810 x27: 1fffe0001a5ea344 [ 45.181663][ T6801] x26: ffff8000a0777b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.182822][ T6801] x23: ffff0000d2f51a20 x22: ffff0000d2f519f8 x21: 00000000ffffffea [ 45.184304][ T6801] x20: dfff800000000000 x19: ffff8000a07779b0 x18: 0000000000000000 [ 45.185683][ T6801] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.187014][ T6801] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.188239][ T6801] x11: ffff0000c63abd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.189489][ T6801] x8 : ffff0000c63abd80 x7 : 0000000000000000 x6 : 000000000000003f [ 45.190867][ T6801] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.192062][ T6801] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.193226][ T6801] Call trace: [ 45.193733][ T6801] iopt_map_pages+0xd7c/0xdcc (P) [ 45.194463][ T6801] iopt_map_common+0x204/0x420 [ 45.195204][ T6801] iopt_map_user_pages+0xb4/0xd8 [ 45.195970][ T6801] iommufd_ioas_map+0x2d4/0x3d0 [ 45.196720][ T6801] iommufd_fops_ioctl+0x424/0x54c [ 45.197465][ T6801] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.198179][ T6801] invoke_syscall+0x98/0x254 [ 45.198926][ T6801] el0_svc_common+0xe8/0x23c [ 45.199611][ T6801] do_el0_svc+0x48/0x58 [ 45.200142][ T6801] el0_svc+0x5c/0x254 [ 45.200748][ T6801] el0t_64_sync_handler+0x84/0x12c [ 45.201487][ T6801] el0t_64_sync+0x198/0x19c [ 45.202126][ T6801] irq event stamp: 906 [ 45.202674][ T6801] hardirqs last enabled at (905): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.204118][ T6801] hardirqs last disabled at (906): [] el1_brk64+0x20/0x54 [ 45.205392][ T6801] softirqs last enabled at (200): [] local_bh_enable+0x10/0x34 [ 45.206780][ T6801] softirqs last disabled at (198): [] local_bh_disable+0x10/0x34 [ 45.208151][ T6801] ---[ end trace 0000000000000000 ]--- [ 45.218288][ T680 ** replaying previous printk message ** [ 45.218288][ T6802] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.218621][ T6802] ------------[ cut here ]------------ [ 45.218626][ T6802] WARNING: CPU: 1 PID: 6802 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.222849][ T6802] Modules linked in: [ 45.223431][ T6802] CPU: 1 UID: 0 PID: 6802 Comm: syz.0.80 Tainted: G W syzkaller #0 PREEMPT [ 45.225036][ T6802] Tainted: [W]=WARN [ 45.225630][ T6802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.227175][ T6802] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.228396][ T6802] pc : iopt_map_pages+0xd7c/0xdcc [ 45.229207][ T6802] lr : iopt_map_pages+0xd7c/0xdcc [ 45.229964][ T6802] sp : ffff8000a07676c0 [ 45.230689][ T6802] x29: ffff8000a07678a0 x28: ffff0000d2f52810 x27: 1fffe0001a5ea544 [ 45.231979][ T6802] x26: ffff8000a0767b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.233266][ T6802] x23: ffff0000d2f52a20 x22: ffff0000d2f529f8 x21: 00000000ffffffea [ 45.234446][ T6802] x20: dfff800000000000 x19: ffff8000a07679b0 x18: 0000000000000000 [ 45.235690][ T6802] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.237044][ T6802] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.238277][ T6802] x11: ffff0000c63a9ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.239493][ T6802] x8 : ffff0000c63a9ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 45.240693][ T6802] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.241908][ T6802] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.243086][ T6802] Call trace: [ 45.243670][ T6802] iopt_map_pages+0xd7c/0xdcc (P) [ 45.244468][ T6802] iopt_map_common+0x204/0x420 [ 45.245211][ T6802] iopt_map_user_pages+0xb4/0xd8 [ 45.246004][ T6802] iommufd_ioas_map+0x2d4/0x3d0 [ 45.246772][ T6802] iommufd_fops_ioctl+0x424/0x54c [ 45.247572][ T6802] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.248302][ T6802] invoke_syscall+0x98/0x254 [ 45.249031][ T6802] el0_svc_common+0xe8/0x23c [ 45.249684][ T6802] do_el0_svc+0x48/0x58 [ 45.250365][ T6802] el0_svc+0x5c/0x254 [ 45.251017][ T6802] el0t_64_sync_handler+0x84/0x12c [ 45.251780][ T6802] el0t_64_sync+0x198/0x19c [ 45.252432][ T6802] irq event stamp: 880 [ 45.253085][ T6802] hardirqs last enabled at (879): [] ___slab_alloc+0x808/0x127c [ 45.254543][ T6802] hardirqs last disabled at (880): [] el1_brk64+0x20/0x54 [ 45.255766][ T6802] softirqs last enabled at (138): [] local_bh_enable+0x10/0x34 [ 45.257149][ T6802] softirqs last disabled at (136): [] local_bh_disable+0x10/0x34 [ 45.258517][ T6802] ---[ end trace 0000000000000000 ]--- [ 45.268254][ T680 ** replaying previous printk message ** [ 45.268254][ T6803] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.268593][ T6803] ------------[ cut here ]------------ [ 45.268598][ T6803] WARNING: CPU: 1 PID: 6803 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.272761][ T6803] Modules linked in: [ 45.273363][ T6803] CPU: 1 UID: 0 PID: 6803 Comm: syz.0.81 Tainted: G W syzkaller #0 PREEMPT [ 45.274874][ T6803] Tainted: [W]=WARN [ 45.275525][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.277009][ T6803] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.278221][ T6803] pc : iopt_map_pages+0xd7c/0xdcc [ 45.278944][ T6803] lr : iopt_map_pages+0xd7c/0xdcc [ 45.279673][ T6803] sp : ffff8000a07576c0 [ 45.280283][ T6803] x29: ffff8000a07578a0 x28: ffff0000d2f53810 x27: 1fffe0001a5ea744 [ 45.281526][ T6803] x26: ffff8000a0757b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.282761][ T6803] x23: ffff0000d2f53a20 x22: ffff0000d2f539f8 x21: 00000000ffffffea [ 45.283995][ T6803] x20: dfff800000000000 x19: ffff8000a07579b0 x18: 0000000000000000 [ 45.285234][ T6803] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.286421][ T6803] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.287619][ T6803] x11: ffff0000d0e08000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.288753][ T6803] x8 : ffff0000d0e08000 x7 : 0000000000000000 x6 : 000000000000003f [ 45.290122][ T6803] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.291365][ T6803] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.292651][ T6803] Call trace: [ 45.293151][ T6803] iopt_map_pages+0xd7c/0xdcc (P) [ 45.293973][ T6803] iopt_map_common+0x204/0x420 [ 45.294740][ T6803] iopt_map_user_pages+0xb4/0xd8 [ 45.295563][ T6803] iommufd_ioas_map+0x2d4/0x3d0 [ 45.296335][ T6803] iommufd_fops_ioctl+0x424/0x54c [ 45.297074][ T6803] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.297886][ T6803] invoke_syscall+0x98/0x254 [ 45.298611][ T6803] el0_svc_common+0xe8/0x23c [ 45.299310][ T6803] do_el0_svc+0x48/0x58 [ 45.299878][ T6803] el0_svc+0x5c/0x254 [ 45.300533][ T6803] el0t_64_sync_handler+0x84/0x12c [ 45.301329][ T6803] el0t_64_sync+0x198/0x19c [ 45.302055][ T6803] irq event stamp: 830 [ 45.302655][ T6803] hardirqs last enabled at (829): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.304046][ T6803] hardirqs last disabled at (830): [] el1_brk64+0x20/0x54 [ 45.305312][ T6803] softirqs last enabled at (138): [] local_bh_enable+0x10/0x34 [ 45.306616][ T6803] softirqs last disabled at (136): [] local_bh_disable+0x10/0x34 [ 45.308021][ T6803] ---[ end trace 0000000000000000 ]--- [ 45.318136][ T6804] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.319726][ T6804] ------------[ cut here ]------------ [ 45.319737][ T6804] WARNING: CPU: 1 PID: 6804 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.322333][ T6804] Modules linked in: [ 45.323009][ T6804] CPU: 1 UID: 0 PID: 6804 Comm: syz.0.82 Tainted: G W syzkaller #0 PREEMPT [ 45.324657][ T6804] Tainted: [W]=WARN [ 45.325229][ T6804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.326841][ T6804] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.328033][ T6804] pc : iopt_map_pages+0xd7c/0xdcc [ 45.328828][ T6804] lr : iopt_map_pages+0xd7c/0xdcc [ 45.329613][ T6804] sp : ffff8000a07c76c0 [ 45.330223][ T6804] x29: ffff8000a07c78a0 x28: ffff0000d2815010 x27: 1fffe0001a502a44 [ 45.331473][ T6804] x26: ffff8000a07c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.332678][ T6804] x23: ffff0000d2815220 x22: ffff0000d28151f8 x21: 00000000ffffffea [ 45.333972][ T6804] x20: dfff800000000000 x19: ffff8000a07c79b0 x18: 0000000000000000 [ 45.335212][ T6804] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.336454][ T6804] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.337657][ T6804] x11: ffff0000c7791ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.338952][ T6804] x8 : ffff0000c7791ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 45.340226][ T6804] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.341420][ T6804] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.342608][ T6804] Call trace: [ 45.343117][ T6804] iopt_map_pages+0xd7c/0xdcc (P) [ 45.343838][ T6804] iopt_map_common+0x204/0x420 [ 45.344521][ T6804] iopt_map_user_pages+0xb4/0xd8 [ 45.345212][ T6804] iommufd_ioas_map+0x2d4/0x3d0 [ 45.345861][ T6804] iommufd_fops_ioctl+0x424/0x54c [ 45.346613][ T6804] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.347361][ T6804] invoke_syscall+0x98/0x254 [ 45.348069][ T6804] el0_svc_common+0xe8/0x23c [ 45.348834][ T6804] do_el0_svc+0x48/0x58 [ 45.349442][ T6804] el0_svc+0x5c/0x254 [ 45.350039][ T6804] el0t_64_sync_handler+0x84/0x12c [ 45.350808][ T6804] el0t_64_sync+0x198/0x19c [ 45.351462][ T6804] irq event stamp: 884 [ 45.352078][ T6804] hardirqs last enabled at (883): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.353591][ T6804] hardirqs last disabled at (884): [] el1_brk64+0x20/0x54 [ 45.354840][ T6804] softirqs last enabled at (850): [] local_bh_enable+0x10/0x34 [ 45.356204][ T6804] softirqs last disabled at (848): [] local_bh_disable+0x10/0x34 [ 45.357736][ T6804] ---[ end trace 0000000000000000 ]--- [ 45.368186][ T6805] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.369427][ T6805] ------------[ cut here ]------------ [ 45.369439][ T6805] WARNING: CPU: 1 PID: 6805 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.371910][ T6805] Modules linked in: [ 45.372578][ T6805] CPU: 1 UID: 0 PID: 6805 Comm: syz.0.83 Tainted: G W syzkaller #0 PREEMPT [ 45.374162][ T6805] Tainted: [W]=WARN [ 45.374781][ T6805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.376285][ T6805] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.377444][ T6805] pc : iopt_map_pages+0xd7c/0xdcc [ 45.378149][ T6805] lr : iopt_map_pages+0xd7c/0xdcc [ 45.378940][ T6805] sp : ffff8000a07576c0 [ 45.379600][ T6805] x29: ffff8000a07578a0 x28: ffff0000d2816010 x27: 1fffe0001a502c44 [ 45.380908][ T6805] x26: ffff8000a0757b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.382165][ T6805] x23: ffff0000d2816220 x22: ffff0000d28161f8 x21: 00000000ffffffea [ 45.383431][ T6805] x20: dfff800000000000 x19: ffff8000a07579b0 x18: 0000000000000000 [ 45.384637][ T6805] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.385771][ T6805] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.387051][ T6805] x11: ffff0000cac73d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.388320][ T6805] x8 : ffff0000cac73d80 x7 : 0000000000000000 x6 : 000000000000003f [ 45.389510][ T6805] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.390733][ T6805] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.392036][ T6805] Call trace: [ 45.392579][ T6805] iopt_map_pages+0xd7c/0xdcc (P) [ 45.393455][ T6805] iopt_map_common+0x204/0x420 [ 45.394209][ T6805] iopt_map_user_pages+0xb4/0xd8 [ 45.395044][ T6805] iommufd_ioas_map+0x2d4/0x3d0 [ 45.395845][ T6805] iommufd_fops_ioctl+0x424/0x54c [ 45.396664][ T6805] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.397433][ T6805] invoke_syscall+0x98/0x254 [ 45.398113][ T6805] el0_svc_common+0xe8/0x23c [ 45.398758][ T6805] do_el0_svc+0x48/0x58 [ 45.399376][ T6805] el0_svc+0x5c/0x254 [ 45.399921][ T6805] el0t_64_sync_handler+0x84/0x12c [ 45.400695][ T6805] el0t_64_sync+0x198/0x19c [ 45.401374][ T6805] irq event stamp: 842 [ 45.402004][ T6805] hardirqs last enabled at (841): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.403498][ T6805] hardirqs last disabled at (842): [] el1_brk64+0x20/0x54 [ 45.404811][ T6805] softirqs last enabled at (808): [] local_bh_enable+0x10/0x34 [ 45.406192][ T6805] softirqs last disabled at (806): [] local_bh_disable+0x10/0x34 [ 45.407568][ T6805] ---[ end trace 0000000000000000 ]--- [ 45.417344][ T6806] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.418794][ T6806] ------------[ cut here ]------------ [ 45.418806][ T6806] WARNING: CPU: 1 PID: 6806 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.421246][ T6806] Modules linked in: [ 45.421891][ T6806] CPU: 1 UID: 0 PID: 6806 Comm: syz.0.84 Tainted: G W syzkaller #0 PREEMPT [ 45.423322][ T6806] Tainted: [W]=WARN [ 45.423883][ T6806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.425217][ T6806] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.426297][ T6806] pc : iopt_map_pages+0xd7c/0xdcc [ 45.427039][ T6806] lr : iopt_map_pages+0xd7c/0xdcc [ 45.427818][ T6806] sp : ffff8000a29d76c0 [ 45.428468][ T6806] x29: ffff8000a29d78a0 x28: ffff0000d2817010 x27: 1fffe0001a502e44 [ 45.429748][ T6806] x26: ffff8000a29d7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.431013][ T6806] x23: ffff0000d2817220 x22: ffff0000d28171f8 x21: 00000000ffffffea [ 45.432227][ T6806] x20: dfff800000000000 x19: ffff8000a29d79b0 x18: 0000000000000000 [ 45.433461][ T6806] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.434641][ T6806] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.435952][ T6806] x11: ffff0000ced01ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.437197][ T6806] x8 : ffff0000ced01ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 45.438468][ T6806] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.439688][ T6806] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.440886][ T6806] Call trace: [ 45.441386][ T6806] iopt_map_pages+0xd7c/0xdcc (P) [ 45.442127][ T6806] iopt_map_common+0x204/0x420 [ 45.442903][ T6806] iopt_map_user_pages+0xb4/0xd8 [ 45.443647][ T6806] iommufd_ioas_map+0x2d4/0x3d0 [ 45.444378][ T6806] iommufd_fops_ioctl+0x424/0x54c [ 45.445196][ T6806] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.445953][ T6806] invoke_syscall+0x98/0x254 [ 45.446635][ T6806] el0_svc_common+0xe8/0x23c [ 45.447358][ T6806] do_el0_svc+0x48/0x58 [ 45.448012][ T6806] el0_svc+0x5c/0x254 [ 45.448559][ T6806] el0t_64_sync_handler+0x84/0x12c [ 45.449347][ T6806] el0t_64_sync+0x198/0x19c [ 45.450051][ T6806] irq event stamp: 852 [ 45.450669][ T6806] hardirqs last enabled at (851): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.452098][ T6806] hardirqs last disabled at (852): [] el1_brk64+0x20/0x54 [ 45.453397][ T6806] softirqs last enabled at (814): [] local_bh_enable+0x10/0x34 [ 45.454725][ T6806] softirqs last disabled at (812): [] local_bh_disable+0x10/0x34 [ 45.456083][ T6806] ---[ end trace 0000000000000000 ]--- [ 45.466676][ T6807] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.468303][ T6807] ------------[ cut here ]------------ [ 45.468311][ T6807] WARNING: CPU: 0 PID: 6807 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.470884][ T6807] Modules linked in: [ 45.471468][ T6807] CPU: 0 UID: 0 PID: 6807 Comm: syz.0.85 Tainted: G W syzkaller #0 PREEMPT [ 45.473016][ T6807] Tainted: [W]=WARN [ 45.473588][ T6807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.475064][ T6807] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.476239][ T6807] pc : iopt_map_pages+0xd7c/0xdcc [ 45.476966][ T6807] lr : iopt_map_pages+0xd7c/0xdcc [ 45.477697][ T6807] sp : ffff80009ecd76c0 [ 45.478301][ T6807] x29: ffff80009ecd78a0 x28: ffff0000cad53810 x27: 1fffe000195aa744 [ 45.479476][ T6807] x26: ffff80009ecd7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.480687][ T6807] x23: ffff0000cad53a20 x22: ffff0000cad539f8 x21: 00000000ffffffea [ 45.481863][ T6807] x20: dfff800000000000 x19: ffff80009ecd79b0 x18: 0000000000000000 [ 45.483135][ T6807] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.484256][ T6807] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.485436][ T6807] x11: ffff0000ced05c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.486620][ T6807] x8 : ffff0000ced05c40 x7 : 0000000000000000 x6 : 000000000000003f [ 45.487867][ T6807] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.489203][ T6807] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.490319][ T6807] Call trace: [ 45.490792][ T6807] iopt_map_pages+0xd7c/0xdcc (P) [ 45.491513][ T6807] iopt_map_common+0x204/0x420 [ 45.492191][ T6807] iopt_map_user_pages+0xb4/0xd8 [ 45.492909][ T6807] iommufd_ioas_map+0x2d4/0x3d0 [ 45.493654][ T6807] iommufd_fops_ioctl+0x424/0x54c [ 45.494388][ T6807] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.495140][ T6807] invoke_syscall+0x98/0x254 [ 45.495818][ T6807] el0_svc_common+0xe8/0x23c [ 45.496495][ T6807] do_el0_svc+0x48/0x58 [ 45.497121][ T6807] el0_svc+0x5c/0x254 [ 45.497771][ T6807] el0t_64_sync_handler+0x84/0x12c [ 45.498559][ T6807] el0t_64_sync+0x198/0x19c [ 45.499230][ T6807] irq event stamp: 2042 [ 45.499797][ T6807] hardirqs last enabled at (2041): [] ___slab_alloc+0x808/0x127c [ 45.501149][ T6807] hardirqs last disabled at (2042): [] el1_brk64+0x20/0x54 [ 45.502402][ T6807] softirqs last enabled at (1222): [] local_bh_enable+0x10/0x34 [ 45.503771][ T6807] softirqs last disabled at (1220): [] local_bh_disable+0x10/0x34 [ 45.505099][ T6807] ---[ end trace 0000000000000000 ]--- [ 45.513494][ T6808] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.515282][ T6808] ------------[ cut here ]------------ [ 45.515293][ T6808] WARNING: CPU: 1 PID: 6808 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.517754][ T6808] Modules linked in: [ 45.518343][ T6808] CPU: 1 UID: 0 PID: 6808 Comm: syz.0.86 Tainted: G W syzkaller #0 PREEMPT [ 45.519922][ T6808] Tainted: [W]=WARN [ 45.520509][ T6808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.521954][ T6808] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.523106][ T6808] pc : iopt_map_pages+0xd7c/0xdcc [ 45.523824][ T6808] lr : iopt_map_pages+0xd7c/0xdcc [ 45.524545][ T6808] sp : ffff80009ecc76c0 [ 45.525156][ T6808] x29: ffff80009ecc78a0 x28: ffff0000cad55010 x27: 1fffe000195aaa44 [ 45.526381][ T6808] x26: ffff80009ecc7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.527679][ T6808] x23: ffff0000cad55220 x22: ffff0000cad551f8 x21: 00000000ffffffea [ 45.528859][ T6808] x20: dfff800000000000 x19: ffff80009ecc79b0 x18: 0000000000000000 [ 45.530098][ T6808] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.531338][ T6808] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.532563][ T6808] x11: ffff0000ced03d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.533796][ T6808] x8 : ffff0000ced03d80 x7 : 0000000000000000 x6 : 000000000000003f [ 45.535005][ T6808] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.536132][ T6808] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.537366][ T6808] Call trace: [ 45.537856][ T6808] iopt_map_pages+0xd7c/0xdcc (P) [ 45.538548][ T6808] iopt_map_common+0x204/0x420 [ 45.539245][ T6808] iopt_map_user_pages+0xb4/0xd8 [ 45.539950][ T6808] iommufd_ioas_map+0x2d4/0x3d0 [ 45.540575][ T6808] iommufd_fops_ioctl+0x424/0x54c [ 45.541291][ T6808] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.542048][ T6808] invoke_syscall+0x98/0x254 [ 45.542733][ T6808] el0_svc_common+0xe8/0x23c [ 45.543411][ T6808] do_el0_svc+0x48/0x58 [ 45.544038][ T6808] el0_svc+0x5c/0x254 [ 45.544589][ T6808] el0t_64_sync_handler+0x84/0x12c [ 45.545336][ T6808] el0t_64_sync+0x198/0x19c [ 45.545926][ T6808] irq event stamp: 866 [ 45.546526][ T6808] hardirqs last enabled at (865): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.547928][ T6808] hardirqs last disabled at (866): [] el1_brk64+0x20/0x54 [ 45.549128][ T6808] softirqs last enabled at (832): [] local_bh_enable+0x10/0x34 [ 45.550724][ T6808] softirqs last disabled at (830): [] local_bh_disable+0x10/0x34 [ 45.552192][ T6808] ---[ end trace 0000000000000000 ]--- [ 45.561906][ T6809] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.563363][ T6809] ------------[ cut here ]------------ [ 45.563373][ T6809] WARNING: CPU: 1 PID: 6809 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.566061][ T6809] Modules linked in: [ 45.566774][ T6809] CPU: 1 UID: 0 PID: 6809 Comm: syz.0.87 Tainted: G W syzkaller #0 PREEMPT [ 45.568417][ T6809] Tainted: [W]=WARN [ 45.569049][ T6809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.570728][ T6809] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.571933][ T6809] pc : iopt_map_pages+0xd7c/0xdcc [ 45.572704][ T6809] lr : iopt_map_pages+0xd7c/0xdcc [ 45.573479][ T6809] sp : ffff80009ecc76c0 [ 45.574116][ T6809] x29: ffff80009ecc78a0 x28: ffff0000cbfc8810 x27: 1fffe000197f9144 [ 45.575308][ T6809] x26: ffff80009ecc7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.576556][ T6809] x23: ffff0000cbfc8a20 x22: ffff0000cbfc89f8 x21: 00000000ffffffea [ 45.577874][ T6809] x20: dfff800000000000 x19: ffff80009ecc79b0 x18: 0000000000000000 [ 45.579094][ T6809] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.580333][ T6809] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.581541][ T6809] x11: ffff0000c7793d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.582686][ T6809] x8 : ffff0000c7793d80 x7 : 0000000000000000 x6 : 000000000000003f [ 45.583875][ T6809] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.585095][ T6809] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.586333][ T6809] Call trace: [ 45.586794][ T6809] iopt_map_pages+0xd7c/0xdcc (P) [ 45.587533][ T6809] iopt_map_common+0x204/0x420 [ 45.588186][ T6809] iopt_map_user_pages+0xb4/0xd8 [ 45.588877][ T6809] iommufd_ioas_map+0x2d4/0x3d0 [ 45.589621][ T6809] iommufd_fops_ioctl+0x424/0x54c [ 45.590355][ T6809] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.591114][ T6809] invoke_syscall+0x98/0x254 [ 45.591803][ T6809] el0_svc_common+0xe8/0x23c [ 45.592456][ T6809] do_el0_svc+0x48/0x58 [ 45.593056][ T6809] el0_svc+0x5c/0x254 [ 45.593724][ T6809] el0t_64_sync_handler+0x84/0x12c [ 45.594464][ T6809] el0t_64_sync+0x198/0x19c [ 45.595196][ T6809] irq event stamp: 870 [ 45.595760][ T6809] hardirqs last enabled at (869): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.597200][ T6809] hardirqs last disabled at (870): [] el1_brk64+0x20/0x54 [ 45.598507][ T6809] softirqs last enabled at (836): [] local_bh_enable+0x10/0x34 [ 45.599826][ T6809] softirqs last disabled at (834): [] local_bh_disable+0x10/0x34 [ 45.601220][ T6809] ---[ end trace 0000000000000000 ]--- [ 45.610956][ T6810] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.612436][ T6810] ------------[ cut here ]------------ [ 45.612448][ T6810] WARNING: CPU: 1 PID: 6810 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.614902][ T6810] Modules linked in: [ 45.615580][ T6810] CPU: 1 UID: 0 PID: 6810 Comm: syz.0.88 Tainted: G W syzkaller #0 PREEMPT [ 45.617127][ T6810] Tainted: [W]=WARN [ 45.617724][ T6810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.619202][ T6810] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.620339][ T6810] pc : iopt_map_pages+0xd7c/0xdcc [ 45.621065][ T6810] lr : iopt_map_pages+0xd7c/0xdcc [ 45.621776][ T6810] sp : ffff80009ecb76c0 [ 45.622405][ T6810] x29: ffff80009ecb78a0 x28: ffff0000cbfc9810 x27: 1fffe000197f9344 [ 45.623582][ T6810] x26: ffff80009ecb7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.624758][ T6810] x23: ffff0000cbfc9a20 x22: ffff0000cbfc99f8 x21: 00000000ffffffea [ 45.625976][ T6810] x20: dfff800000000000 x19: ffff80009ecb79b0 x18: 0000000000000000 [ 45.627113][ T6810] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.628403][ T6810] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.629597][ T6810] x11: ffff0000c5473d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.630907][ T6810] x8 : ffff0000c5473d80 x7 : 0000000000000000 x6 : 000000000000003f [ 45.632117][ T6810] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.633243][ T6810] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.634465][ T6810] Call trace: [ 45.634959][ T6810] iopt_map_pages+0xd7c/0xdcc (P) [ 45.635771][ T6810] iopt_map_common+0x204/0x420 [ 45.636466][ T6810] iopt_map_user_pages+0xb4/0xd8 [ 45.637202][ T6810] iommufd_ioas_map+0x2d4/0x3d0 [ 45.637936][ T6810] iommufd_fops_ioctl+0x424/0x54c [ 45.638689][ T6810] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.639515][ T6810] invoke_syscall+0x98/0x254 [ 45.640200][ T6810] el0_svc_common+0xe8/0x23c [ 45.640920][ T6810] do_el0_svc+0x48/0x58 [ 45.641548][ T6810] el0_svc+0x5c/0x254 [ 45.642162][ T6810] el0t_64_sync_handler+0x84/0x12c [ 45.642921][ T6810] el0t_64_sync+0x198/0x19c [ 45.643673][ T6810] irq event stamp: 834 [ 45.644273][ T6810] hardirqs last enabled at (833): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.645785][ T6810] hardirqs last disabled at (834): [] el1_brk64+0x20/0x54 [ 45.647162][ T6810] softirqs last enabled at (800): [] local_bh_enable+0x10/0x34 [ 45.648544][ T6810] softirqs last disabled at (798): [] local_bh_disable+0x10/0x34 [ 45.649900][ T6810] ---[ end trace 0000000000000000 ]--- [ 45.660758][ T6 ** replaying previous printk message ** [ 45.660758][ T6811] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.661106][ T6811] ------------[ cut here ]------------ [ 45.661111][ T6811] WARNING: CPU: 1 PID: 6811 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.665383][ T6811] Modules linked in: [ 45.665984][ T6811] CPU: 1 UID: 0 PID: 6811 Comm: syz.0.89 Tainted: G W syzkaller #0 PREEMPT [ 45.667510][ T6811] Tainted: [W]=WARN [ 45.668086][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.669589][ T6811] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.670767][ T6811] pc : iopt_map_pages+0xd7c/0xdcc [ 45.671435][ T6811] lr : iopt_map_pages+0xd7c/0xdcc [ 45.672185][ T6811] sp : ffff8000a07c76c0 [ 45.672810][ T6811] x29: ffff8000a07c78a0 x28: ffff0000d2f56010 x27: 1fffe0001a5eac44 [ 45.674044][ T6811] x26: ffff8000a07c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.675224][ T6811] x23: ffff0000d2f56220 x22: ffff0000d2f561f8 x21: 00000000ffffffea [ 45.676446][ T6811] x20: dfff800000000000 x19: ffff8000a07c79b0 x18: 0000000000000000 [ 45.677628][ T6811] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.678793][ T6811] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.679925][ T6811] x11: ffff0000d0e09ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.680986][ T6811] x8 : ffff0000d0e09ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 45.682187][ T6811] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.683374][ T6811] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.684694][ T6811] Call trace: [ 45.685146][ T6811] iopt_map_pages+0xd7c/0xdcc (P) [ 45.685889][ T6811] iopt_map_common+0x204/0x420 [ 45.686660][ T6811] iopt_map_user_pages+0xb4/0xd8 [ 45.687409][ T6811] iommufd_ioas_map+0x2d4/0x3d0 [ 45.688137][ T6811] iommufd_fops_ioctl+0x424/0x54c [ 45.688924][ T6811] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.689693][ T6811] invoke_syscall+0x98/0x254 [ 45.690379][ T6811] el0_svc_common+0xe8/0x23c [ 45.691096][ T6811] do_el0_svc+0x48/0x58 [ 45.691688][ T6811] el0_svc+0x5c/0x254 [ 45.692326][ T6811] el0t_64_sync_handler+0x84/0x12c [ 45.693081][ T6811] el0t_64_sync+0x198/0x19c [ 45.693729][ T6811] irq event stamp: 844 [ 45.694337][ T6811] hardirqs last enabled at (843): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.695794][ T6811] hardirqs last disabled at (844): [] el1_brk64+0x20/0x54 [ 45.697197][ T6811] softirqs last enabled at (152): [] local_bh_enable+0x10/0x34 [ 45.698528][ T6811] softirqs last disabled at (150): [] local_bh_disable+0x10/0x34 [ 45.700032][ T6811] ---[ end trace 0000000000000000 ]--- [ 45.709709][ T6812] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.711768][ T6812] ------------[ cut here ]------------ [ 45.711776][ T6812] WARNING: CPU: 0 PID: 6812 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.714131][ T6812] Modules linked in: [ 45.714729][ T6812] CPU: 0 UID: 0 PID: 6812 Comm: syz.0.90 Tainted: G W syzkaller #0 PREEMPT [ 45.716227][ T6812] Tainted: [W]=WARN [ 45.716783][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.718453][ T6812] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.719687][ T6812] pc : iopt_map_pages+0xd7c/0xdcc [ 45.720401][ T6812] lr : iopt_map_pages+0xd7c/0xdcc [ 45.721188][ T6812] sp : ffff80009ecb76c0 [ 45.721838][ T6812] x29: ffff80009ecb78a0 x28: ffff0000cbfcc010 x27: 1fffe000197f9844 [ 45.723081][ T6812] x26: ffff80009ecb7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.724272][ T6812] x23: ffff0000cbfcc220 x22: ffff0000cbfcc1f8 x21: 00000000ffffffea [ 45.725452][ T6812] x20: dfff800000000000 x19: ffff80009ecb79b0 x18: 0000000000000000 [ 45.726655][ T6812] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.727801][ T6812] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.728938][ T6812] x11: ffff0000c5471ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.730168][ T6812] x8 : ffff0000c5471ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 45.731399][ T6812] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.732593][ T6812] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.733680][ T6812] Call trace: [ 45.734132][ T6812] iopt_map_pages+0xd7c/0xdcc (P) [ 45.734890][ T6812] iopt_map_common+0x204/0x420 [ 45.735625][ T6812] iopt_map_user_pages+0xb4/0xd8 [ 45.736385][ T6812] iommufd_ioas_map+0x2d4/0x3d0 [ 45.737067][ T6812] iommufd_fops_ioctl+0x424/0x54c [ 45.737775][ T6812] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.738505][ T6812] invoke_syscall+0x98/0x254 [ 45.739186][ T6812] el0_svc_common+0xe8/0x23c [ 45.740007][ T6812] do_el0_svc+0x48/0x58 [ 45.740631][ T6812] el0_svc+0x5c/0x254 [ 45.741219][ T6812] el0t_64_sync_handler+0x84/0x12c [ 45.742027][ T6812] el0t_64_sync+0x198/0x19c [ 45.742716][ T6812] irq event stamp: 824 [ 45.743323][ T6812] hardirqs last enabled at (823): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.744889][ T6812] hardirqs last disabled at (824): [] el1_brk64+0x20/0x54 [ 45.746167][ T6812] softirqs last enabled at (790): [] local_bh_enable+0x10/0x34 [ 45.747565][ T6812] softirqs last disabled at (788): [] local_bh_disable+0x10/0x34 [ 45.748910][ T6812] ---[ end trace 0000000000000000 ]--- [ 45.758889][ T6813] iommufd_mock i ** replaying previous printk message ** [ 45.758889][ T6813] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.759463][ T6813] ------------[ cut here ]------------ [ 45.759469][ T6813] WARNING: CPU: 1 PID: 6813 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.763806][ T6813] Modules linked in: [ 45.764460][ T6813] CPU: 1 UID: 0 PID: 6813 Comm: syz.0.91 Tainted: G W syzkaller #0 PREEMPT [ 45.766105][ T6813] Tainted: [W]=WARN [ 45.766698][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.768227][ T6813] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.769461][ T6813] pc : iopt_map_pages+0xd7c/0xdcc [ 45.770258][ T6813] lr : iopt_map_pages+0xd7c/0xdcc [ 45.771049][ T6813] sp : ffff80009ecb76c0 [ 45.771629][ T6813] x29: ffff80009ecb78a0 x28: ffff0000d2f57010 x27: 1fffe0001a5eae44 [ 45.772854][ T6813] x26: ffff80009ecb7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.774094][ T6813] x23: ffff0000d2f57220 x22: ffff0000d2f571f8 x21: 00000000ffffffea [ 45.775236][ T6813] x20: dfff800000000000 x19: ffff80009ecb79b0 x18: 0000000000000000 [ 45.776440][ T6813] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.777643][ T6813] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.778769][ T6813] x11: ffff0000c9cc5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.779976][ T6813] x8 : ffff0000c9cc5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 45.781068][ T6813] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.782228][ T6813] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.783409][ T6813] Call trace: [ 45.783903][ T6813] iopt_map_pages+0xd7c/0xdcc (P) [ 45.784669][ T6813] iopt_map_common+0x204/0x420 [ 45.785341][ T6813] iopt_map_user_pages+0xb4/0xd8 [ 45.786075][ T6813] iommufd_ioas_map+0x2d4/0x3d0 [ 45.786759][ T6813] iommufd_fops_ioctl+0x424/0x54c [ 45.787530][ T6813] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.788256][ T6813] invoke_syscall+0x98/0x254 [ 45.788915][ T6813] el0_svc_common+0xe8/0x23c [ 45.789592][ T6813] do_el0_svc+0x48/0x58 [ 45.790197][ T6813] el0_svc+0x5c/0x254 [ 45.790835][ T6813] el0t_64_sync_handler+0x84/0x12c [ 45.791559][ T6813] el0t_64_sync+0x198/0x19c [ 45.792121][ T6813] irq event stamp: 880 [ 45.792716][ T6813] hardirqs last enabled at (879): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.794128][ T6813] hardirqs last disabled at (880): [] el1_brk64+0x20/0x54 [ 45.795372][ T6813] softirqs last enabled at (136): [] local_bh_enable+0x10/0x34 [ 45.796797][ T6813] softirqs last disabled at (134): [] local_bh_disable+0x10/0x34 [ 45.798175][ T6813] ---[ end trace 0000000000000000 ]--- [ 45.807433][ T6814] iommufd_mock iommu ** replaying previous printk message ** [ 45.807433][ T6814] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.808020][ T6814] ------------[ cut here ]------------ [ 45.808025][ T6814] WARNING: CPU: 1 PID: 6814 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.812344][ T6814] Modules linked in: [ 45.812969][ T6814] CPU: 1 UID: 0 PID: 6814 Comm: syz.0.92 Tainted: G W syzkaller #0 PREEMPT [ 45.814573][ T6814] Tainted: [W]=WARN [ 45.815146][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.816731][ T6814] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.818018][ T6814] pc : iopt_map_pages+0xd7c/0xdcc [ 45.818795][ T6814] lr : iopt_map_pages+0xd7c/0xdcc [ 45.819554][ T6814] sp : ffff80009ecb76c0 [ 45.820166][ T6814] x29: ffff80009ecb78a0 x28: ffff0000d2bac010 x27: 1fffe0001a575844 [ 45.821450][ T6814] x26: ffff80009ecb7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.822659][ T6814] x23: ffff0000d2bac220 x22: ffff0000d2bac1f8 x21: 00000000ffffffea [ 45.823996][ T6814] x20: dfff800000000000 x19: ffff80009ecb79b0 x18: 0000000000000000 [ 45.825356][ T6814] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.826711][ T6814] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.828048][ T6814] x11: ffff0000c9cc3d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.829405][ T6814] x8 : ffff0000c9cc3d80 x7 : 0000000000000000 x6 : 000000000000003f [ 45.830677][ T6814] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.831937][ T6814] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.833191][ T6814] Call trace: [ 45.833692][ T6814] iopt_map_pages+0xd7c/0xdcc (P) [ 45.834481][ T6814] iopt_map_common+0x204/0x420 [ 45.835253][ T6814] iopt_map_user_pages+0xb4/0xd8 [ 45.836050][ T6814] iommufd_ioas_map+0x2d4/0x3d0 [ 45.836795][ T6814] iommufd_fops_ioctl+0x424/0x54c [ 45.837565][ T6814] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.838314][ T6814] invoke_syscall+0x98/0x254 [ 45.838982][ T6814] el0_svc_common+0xe8/0x23c [ 45.839683][ T6814] do_el0_svc+0x48/0x58 [ 45.840307][ T6814] el0_svc+0x5c/0x254 [ 45.840941][ T6814] el0t_64_sync_handler+0x84/0x12c [ 45.841702][ T6814] el0t_64_sync+0x198/0x19c [ 45.842409][ T6814] irq event stamp: 1236 [ 45.843061][ T6814] hardirqs last enabled at (1235): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.844584][ T6814] hardirqs last disabled at (1236): [] el1_brk64+0x20/0x54 [ 45.845892][ T6814] softirqs last enabled at (138): [] local_bh_enable+0x10/0x34 [ 45.847331][ T6814] softirqs last disabled at (136): [] local_bh_disable+0x10/0x34 [ 45.848796][ T6814] ---[ end trace 0000000000000000 ]--- [ 45.857429][ T6815] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.858842][ T6815] ------------[ cut here ]------------ [ 45.858853][ T6815] WARNING: CPU: 1 PID: 6815 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.861369][ T6815] Modules linked in: [ 45.861940][ T6815] CPU: 1 UID: 0 PID: 6815 Comm: syz.0.93 Tainted: G W syzkaller #0 PREEMPT [ 45.863556][ T6815] Tainted: [W]=WARN [ 45.864166][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.865842][ T6815] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.867070][ T6815] pc : iopt_map_pages+0xd7c/0xdcc [ 45.867848][ T6815] lr : iopt_map_pages+0xd7c/0xdcc [ 45.868617][ T6815] sp : ffff80009ecb76c0 [ 45.869249][ T6815] x29: ffff80009ecb78a0 x28: ffff0000cbfcd010 x27: 1fffe000197f9a44 [ 45.870550][ T6815] x26: ffff80009ecb7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.871807][ T6815] x23: ffff0000cbfcd220 x22: ffff0000cbfcd1f8 x21: 00000000ffffffea [ 45.873055][ T6815] x20: dfff800000000000 x19: ffff80009ecb79b0 x18: 0000000000000000 [ 45.874352][ T6815] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.875575][ T6815] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.876796][ T6815] x11: ffff0000cb4f9ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.877917][ T6815] x8 : ffff0000cb4f9ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 45.879158][ T6815] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.880384][ T6815] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.881631][ T6815] Call trace: [ 45.882098][ T6815] iopt_map_pages+0xd7c/0xdcc (P) [ 45.882889][ T6815] iopt_map_common+0x204/0x420 [ 45.883695][ T6815] iopt_map_user_pages+0xb4/0xd8 [ 45.884472][ T6815] iommufd_ioas_map+0x2d4/0x3d0 [ 45.885174][ T6815] iommufd_fops_ioctl+0x424/0x54c [ 45.885885][ T6815] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.886604][ T6815] invoke_syscall+0x98/0x254 [ 45.887302][ T6815] el0_svc_common+0xe8/0x23c [ 45.888002][ T6815] do_el0_svc+0x48/0x58 [ 45.888571][ T6815] el0_svc+0x5c/0x254 [ 45.889148][ T6815] el0t_64_sync_handler+0x84/0x12c [ 45.889847][ T6815] el0t_64_sync+0x198/0x19c [ 45.890554][ T6815] irq event stamp: 850 [ 45.891175][ T6815] hardirqs last enabled at (849): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.892662][ T6815] hardirqs last disabled at (850): [] el1_brk64+0x20/0x54 [ 45.893947][ T6815] softirqs last enabled at (816): [] local_bh_enable+0x10/0x34 [ 45.895336][ T6815] softirqs last disabled at (814): [] local_bh_disable+0x10/0x34 [ 45.896748][ T6815] ---[ end trace 0000000000000000 ]--- [ 45.907485][ T68 ** replaying previous printk message ** [ 45.907485][ T6816] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.907834][ T6816] ------------[ cut here ]------------ [ 45.907839][ T6816] WARNING: CPU: 1 PID: 6816 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.912062][ T6816] Modules linked in: [ 45.912643][ T6816] CPU: 1 UID: 0 PID: 6816 Comm: syz.0.94 Tainted: G W syzkaller #0 PREEMPT [ 45.914204][ T6816] Tainted: [W]=WARN [ 45.914837][ T6816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.916446][ T6816] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.917699][ T6816] pc : iopt_map_pages+0xd7c/0xdcc [ 45.918450][ T6816] lr : iopt_map_pages+0xd7c/0xdcc [ 45.919237][ T6816] sp : ffff8000a07576c0 [ 45.919822][ T6816] x29: ffff8000a07578a0 x28: ffff0000d2bab010 x27: 1fffe0001a575644 [ 45.920972][ T6816] x26: ffff8000a0757b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.922209][ T6816] x23: ffff0000d2bab220 x22: ffff0000d2bab1f8 x21: 00000000ffffffea [ 45.923532][ T6816] x20: dfff800000000000 x19: ffff8000a07579b0 x18: 0000000000000000 [ 45.924832][ T6816] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.926091][ T6816] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.927398][ T6816] x11: ffff0000d86c1ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.928700][ T6816] x8 : ffff0000d86c1ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 45.930036][ T6816] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.931354][ T6816] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.932612][ T6816] Call trace: [ 45.933176][ T6816] iopt_map_pages+0xd7c/0xdcc (P) [ 45.933951][ T6816] iopt_map_common+0x204/0x420 [ 45.934691][ T6816] iopt_map_user_pages+0xb4/0xd8 [ 45.935396][ T6816] iommufd_ioas_map+0x2d4/0x3d0 [ 45.936173][ T6816] iommufd_fops_ioctl+0x424/0x54c [ 45.936944][ T6816] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.937790][ T6816] invoke_syscall+0x98/0x254 [ 45.938493][ T6816] el0_svc_common+0xe8/0x23c [ 45.939171][ T6816] do_el0_svc+0x48/0x58 [ 45.939791][ T6816] el0_svc+0x5c/0x254 [ 45.940357][ T6816] el0t_64_sync_handler+0x84/0x12c [ 45.941122][ T6816] el0t_64_sync+0x198/0x19c [ 45.941781][ T6816] irq event stamp: 856 [ 45.942340][ T6816] hardirqs last enabled at (855): [] kasan_quarantine_put+0x1a0/0x1c8 [ 45.943717][ T6816] hardirqs last disabled at (856): [] el1_brk64+0x20/0x54 [ 45.944956][ T6816] softirqs last enabled at (142): [] local_bh_enable+0x10/0x34 [ 45.946241][ T6816] softirqs last disabled at (140): [] local_bh_disable+0x10/0x34 [ 45.947623][ T6816] ---[ end trace 0000000000000000 ]--- [ 45.956191][ T6817] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 45.957639][ T6817] ------------[ cut here ]------------ [ 45.957650][ T6817] WARNING: CPU: 1 PID: 6817 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 45.960222][ T6817] Modules linked in: [ 45.960847][ T6817] CPU: 1 UID: 0 PID: 6817 Comm: syz.0.95 Tainted: G W syzkaller #0 PREEMPT [ 45.962296][ T6817] Tainted: [W]=WARN [ 45.962835][ T6817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.964348][ T6817] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.965628][ T6817] pc : iopt_map_pages+0xd7c/0xdcc [ 45.966515][ T6817] lr : iopt_map_pages+0xd7c/0xdcc [ 45.967266][ T6817] sp : ffff80009ecb76c0 [ 45.967881][ T6817] x29: ffff80009ecb78a0 x28: ffff0000cbfcf810 x27: 1fffe000197f9f44 [ 45.969059][ T6817] x26: ffff80009ecb7b00 x25: 0000000000002fff x24: 0000000000003000 [ 45.970296][ T6817] x23: ffff0000cbfcfa20 x22: ffff0000cbfcf9f8 x21: 00000000ffffffea [ 45.971605][ T6817] x20: dfff800000000000 x19: ffff80009ecb79b0 x18: 0000000000000000 [ 45.972782][ T6817] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 45.973912][ T6817] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 45.975093][ T6817] x11: ffff0000d0da8000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 45.976263][ T6817] x8 : ffff0000d0da8000 x7 : 0000000000000000 x6 : 000000000000003f [ 45.977441][ T6817] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 45.978600][ T6817] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 45.979770][ T6817] Call trace: [ 45.980233][ T6817] iopt_map_pages+0xd7c/0xdcc (P) [ 45.980952][ T6817] iopt_map_common+0x204/0x420 [ 45.981589][ T6817] iopt_map_user_pages+0xb4/0xd8 [ 45.982295][ T6817] iommufd_ioas_map+0x2d4/0x3d0 [ 45.982965][ T6817] iommufd_fops_ioctl+0x424/0x54c [ 45.983741][ T6817] __arm64_sys_ioctl+0x14c/0x1c4 [ 45.984440][ T6817] invoke_syscall+0x98/0x254 [ 45.985063][ T6817] el0_svc_common+0xe8/0x23c [ 45.985758][ T6817] do_el0_svc+0x48/0x58 [ 45.986381][ T6817] el0_svc+0x5c/0x254 [ 45.986925][ T6817] el0t_64_sync_handler+0x84/0x12c [ 45.987652][ T6817] el0t_64_sync+0x198/0x19c [ 45.988289][ T6817] irq event stamp: 1012 [ 45.988796][ T6817] hardirqs last enabled at (1011): [] ___slab_alloc+0x808/0x127c [ 45.990125][ T6817] hardirqs last disabled at (1012): [] el1_brk64+0x20/0x54 [ 45.991331][ T6817] softirqs last enabled at (968): [] local_bh_enable+0x10/0x34 [ 45.992646][ T6817] softirqs last disabled at (966): [] local_bh_disable+0x10/0x34 [ 45.994022][ T6817] ---[ end trace 0000000000000000 ]--- [ 46.005281][ T6 ** replaying previous printk message ** [ 46.005281][ T6818] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.005615][ T6818] ------------[ cut here ]------------ [ 46.005620][ T6818] WARNING: CPU: 1 PID: 6818 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.009928][ T6818] Modules linked in: [ 46.010528][ T6818] CPU: 1 UID: 0 PID: 6818 Comm: syz.0.96 Tainted: G W syzkaller #0 PREEMPT [ 46.012140][ T6818] Tainted: [W]=WARN [ 46.012697][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.014269][ T6818] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.015444][ T6818] pc : iopt_map_pages+0xd7c/0xdcc [ 46.016223][ T6818] lr : iopt_map_pages+0xd7c/0xdcc [ 46.016975][ T6818] sp : ffff8000a07476c0 [ 46.017629][ T6818] x29: ffff8000a07478a0 x28: ffff0000d4115010 x27: 1fffe0001a822a44 [ 46.018812][ T6818] x26: ffff8000a0747b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.020062][ T6818] x23: ffff0000d4115220 x22: ffff0000d41151f8 x21: 00000000ffffffea [ 46.021330][ T6818] x20: dfff800000000000 x19: ffff8000a07479b0 x18: 0000000000000000 [ 46.022590][ T6818] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.023823][ T6818] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.025055][ T6818] x11: ffff0000d86c0000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.026179][ T6818] x8 : ffff0000d86c0000 x7 : 0000000000000000 x6 : 000000000000003f [ 46.027370][ T6818] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.028568][ T6818] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.029788][ T6818] Call trace: [ 46.030270][ T6818] iopt_map_pages+0xd7c/0xdcc (P) [ 46.031026][ T6818] iopt_map_common+0x204/0x420 [ 46.031728][ T6818] iopt_map_user_pages+0xb4/0xd8 [ 46.032454][ T6818] iommufd_ioas_map+0x2d4/0x3d0 [ 46.033177][ T6818] iommufd_fops_ioctl+0x424/0x54c [ 46.033962][ T6818] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.034744][ T6818] invoke_syscall+0x98/0x254 [ 46.035433][ T6818] el0_svc_common+0xe8/0x23c [ 46.036158][ T6818] do_el0_svc+0x48/0x58 [ 46.036808][ T6818] el0_svc+0x5c/0x254 [ 46.037346][ T6818] el0t_64_sync_handler+0x84/0x12c [ 46.038070][ T6818] el0t_64_sync+0x198/0x19c [ 46.038849][ T6818] irq event stamp: 888 [ 46.039468][ T6818] hardirqs last enabled at (887): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.040920][ T6818] hardirqs last disabled at (888): [] el1_brk64+0x20/0x54 [ 46.042192][ T6818] softirqs last enabled at (380): [] handle_softirqs+0xaf8/0xc88 [ 46.043549][ T6818] softirqs last disabled at (357): [] __do_softirq+0x14/0x20 [ 46.044826][ T6818] ---[ end trace 0000000000000000 ]--- [ 46.056152][ T6819] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.057595][ T6819] ------------[ cut here ]------------ [ 46.057607][ T6819] WARNING: CPU: 1 PID: 6819 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.060128][ T6819] Modules linked in: [ 46.060706][ T6819] CPU: 1 UID: 0 PID: 6819 Comm: syz.0.97 Tainted: G W syzkaller #0 PREEMPT [ 46.062439][ T6819] Tainted: [W]=WARN [ 46.063098][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.064733][ T6819] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.065972][ T6819] pc : iopt_map_pages+0xd7c/0xdcc [ 46.066772][ T6819] lr : iopt_map_pages+0xd7c/0xdcc [ 46.067493][ T6819] sp : ffff80009ecb76c0 [ 46.068174][ T6819] x29: ffff80009ecb78a0 x28: ffff0000ddebe810 x27: 1fffe0001bbd7d44 [ 46.069591][ T6819] x26: ffff80009ecb7b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.070976][ T6819] x23: ffff0000ddebea20 x22: ffff0000ddebe9f8 x21: 00000000ffffffea [ 46.072298][ T6819] x20: dfff800000000000 x19: ffff80009ecb79b0 x18: 0000000000000000 [ 46.073593][ T6819] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.074827][ T6819] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.076063][ T6819] x11: ffff0000d0dabd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.077320][ T6819] x8 : ffff0000d0dabd80 x7 : 0000000000000000 x6 : 000000000000003f [ 46.078542][ T6819] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.079808][ T6819] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.081059][ T6819] Call trace: [ 46.081572][ T6819] iopt_map_pages+0xd7c/0xdcc (P) [ 46.082368][ T6819] iopt_map_common+0x204/0x420 [ 46.083117][ T6819] iopt_map_user_pages+0xb4/0xd8 [ 46.083868][ T6819] iommufd_ioas_map+0x2d4/0x3d0 [ 46.084600][ T6819] iommufd_fops_ioctl+0x424/0x54c [ 46.085339][ T6819] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.086058][ T6819] invoke_syscall+0x98/0x254 [ 46.086763][ T6819] el0_svc_common+0xe8/0x23c [ 46.087423][ T6819] do_el0_svc+0x48/0x58 [ 46.088040][ T6819] el0_svc+0x5c/0x254 [ 46.088684][ T6819] el0t_64_sync_handler+0x84/0x12c [ 46.089425][ T6819] el0t_64_sync+0x198/0x19c [ 46.090039][ T6819] irq event stamp: 1540 [ 46.090651][ T6819] hardirqs last enabled at (1539): [] ___slab_alloc+0x808/0x127c [ 46.091979][ T6819] hardirqs last disabled at (1540): [] el1_brk64+0x20/0x54 [ 46.093223][ T6819] softirqs last enabled at (1500): [] local_bh_enable+0x10/0x34 [ 46.094546][ T6819] softirqs last disabled at (1498): [] local_bh_disable+0x10/0x34 [ 46.095980][ T6819] ---[ end trace 0000000000000000 ]--- [ 46.108474][ T ** replaying previous printk message ** [ 46.108474][ T6820] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.108818][ T6820] ------------[ cut here ]------------ [ 46.108823][ T6820] WARNING: CPU: 1 PID: 6820 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.113169][ T6820] Modules linked in: [ 46.113769][ T6820] CPU: 1 UID: 0 PID: 6820 Comm: syz.0.98 Tainted: G W syzkaller #0 PREEMPT [ 46.115305][ T6820] Tainted: [W]=WARN [ 46.115860][ T6820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.117461][ T6820] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.118686][ T6820] pc : iopt_map_pages+0xd7c/0xdcc [ 46.119462][ T6820] lr : iopt_map_pages+0xd7c/0xdcc [ 46.120302][ T6820] sp : ffff80009ecb76c0 [ 46.120968][ T6820] x29: ffff80009ecb78a0 x28: ffff0000d36c1810 x27: 1fffe0001a6d8344 [ 46.122239][ T6820] x26: ffff80009ecb7b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.123488][ T6820] x23: ffff0000d36c1a20 x22: ffff0000d36c19f8 x21: 00000000ffffffea [ 46.124754][ T6820] x20: dfff800000000000 x19: ffff80009ecb79b0 x18: 0000000000000000 [ 46.125964][ T6820] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.127253][ T6820] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.128498][ T6820] x11: ffff0000d86c5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.129739][ T6820] x8 : ffff0000d86c5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 46.131002][ T6820] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.132231][ T6820] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.133458][ T6820] Call trace: [ 46.133954][ T6820] iopt_map_pages+0xd7c/0xdcc (P) [ 46.134694][ T6820] iopt_map_common+0x204/0x420 [ 46.135433][ T6820] iopt_map_user_pages+0xb4/0xd8 [ 46.136161][ T6820] iommufd_ioas_map+0x2d4/0x3d0 [ 46.136897][ T6820] iommufd_fops_ioctl+0x424/0x54c [ 46.137690][ T6820] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.138400][ T6820] invoke_syscall+0x98/0x254 [ 46.139067][ T6820] el0_svc_common+0xe8/0x23c [ 46.139696][ T6820] do_el0_svc+0x48/0x58 [ 46.140251][ T6820] el0_svc+0x5c/0x254 [ 46.140914][ T6820] el0t_64_sync_handler+0x84/0x12c [ 46.141733][ T6820] el0t_64_sync+0x198/0x19c [ 46.142395][ T6820] irq event stamp: 874 [ 46.143003][ T6820] hardirqs last enabled at (873): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.144500][ T6820] hardirqs last disabled at (874): [] el1_brk64+0x20/0x54 [ 46.145865][ T6820] softirqs last enabled at (150): [] local_bh_enable+0x10/0x34 [ 46.147306][ T6820] softirqs last disabled at (148): [] local_bh_disable+0x10/0x34 [ 46.148704][ T6820] ---[ end trace 0000000000000000 ]--- [ 46.159134][ T6821] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.160456][ T6821] ------------[ cut here ]------------ [ 46.160467][ T6821] WARNING: CPU: 1 PID: 6821 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.163065][ T6821] Modules linked in: [ 46.163697][ T6821] CPU: 1 UID: 0 PID: 6821 Comm: syz.0.99 Tainted: G W syzkaller #0 PREEMPT [ 46.165344][ T6821] Tainted: [W]=WARN [ 46.165964][ T6821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.167533][ T6821] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.168775][ T6821] pc : iopt_map_pages+0xd7c/0xdcc [ 46.169535][ T6821] lr : iopt_map_pages+0xd7c/0xdcc [ 46.170347][ T6821] sp : ffff8000a07576c0 [ 46.171021][ T6821] x29: ffff8000a07578a0 x28: ffff0000d458a010 x27: 1fffe0001a8b1444 [ 46.172273][ T6821] x26: ffff8000a0757b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.173519][ T6821] x23: ffff0000d458a220 x22: ffff0000d458a1f8 x21: 00000000ffffffea [ 46.174732][ T6821] x20: dfff800000000000 x19: ffff8000a07579b0 x18: 0000000000000000 [ 46.175964][ T6821] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.177232][ T6821] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.178489][ T6821] x11: ffff0000cb451ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.179781][ T6821] x8 : ffff0000cb451ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 46.181078][ T6821] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.182406][ T6821] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.183675][ T6821] Call trace: [ 46.184230][ T6821] iopt_map_pages+0xd7c/0xdcc (P) [ 46.185026][ T6821] iopt_map_common+0x204/0x420 [ 46.185755][ T6821] iopt_map_user_pages+0xb4/0xd8 [ 46.186528][ T6821] iommufd_ioas_map+0x2d4/0x3d0 [ 46.187246][ T6821] iommufd_fops_ioctl+0x424/0x54c [ 46.188064][ T6821] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.188855][ T6821] invoke_syscall+0x98/0x254 [ 46.189554][ T6821] el0_svc_common+0xe8/0x23c [ 46.190268][ T6821] do_el0_svc+0x48/0x58 [ 46.190941][ T6821] el0_svc+0x5c/0x254 [ 46.191598][ T6821] el0t_64_sync_handler+0x84/0x12c [ 46.192368][ T6821] el0t_64_sync+0x198/0x19c [ 46.193085][ T6821] irq event stamp: 864 [ 46.193772][ T6821] hardirqs last enabled at (863): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.195304][ T6821] hardirqs last disabled at (864): [] el1_brk64+0x20/0x54 [ 46.196697][ T6821] softirqs last enabled at (824): [] local_bh_enable+0x10/0x34 [ 46.198094][ T6821] softirqs last disabled at (822): [] local_bh_disable+0x10/0x34 [ 46.199535][ T6821] ---[ end trace 0000000000000000 ]--- [ 46.212021][ T68 ** replaying previous printk message ** [ 46.212021][ T6822] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.212349][ T6822] ------------[ cut here ]------------ [ 46.212354][ T6822] WARNING: CPU: 1 PID: 6822 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.216701][ T6822] Modules linked in: [ 46.217357][ T6822] CPU: 1 UID: 0 PID: 6822 Comm: syz.0.100 Tainted: G W syzkaller #0 PREEMPT [ 46.219056][ T6822] Tainted: [W]=WARN [ 46.219695][ T6822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.221236][ T6822] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.222458][ T6822] pc : iopt_map_pages+0xd7c/0xdcc [ 46.223236][ T6822] lr : iopt_map_pages+0xd7c/0xdcc [ 46.224012][ T6822] sp : ffff8000a07276c0 [ 46.224657][ T6822] x29: ffff8000a07278a0 x28: ffff0000d36c4010 x27: 1fffe0001a6d8844 [ 46.225922][ T6822] x26: ffff8000a0727b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.227247][ T6822] x23: ffff0000d36c4220 x22: ffff0000d36c41f8 x21: 00000000ffffffea [ 46.228521][ T6822] x20: dfff800000000000 x19: ffff8000a07279b0 x18: 0000000000000000 [ 46.229755][ T6822] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.231044][ T6822] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.232293][ T6822] x11: ffff0000cb4fbd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.233572][ T6822] x8 : ffff0000cb4fbd80 x7 : 0000000000000000 x6 : 000000000000003f [ 46.234942][ T6822] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.236235][ T6822] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.237468][ T6822] Call trace: [ 46.237972][ T6822] iopt_map_pages+0xd7c/0xdcc (P) [ 46.238801][ T6822] iopt_map_common+0x204/0x420 [ 46.239601][ T6822] iopt_map_user_pages+0xb4/0xd8 [ 46.240337][ T6822] iommufd_ioas_map+0x2d4/0x3d0 [ 46.241135][ T6822] iommufd_fops_ioctl+0x424/0x54c [ 46.241879][ T6822] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.242642][ T6822] invoke_syscall+0x98/0x254 [ 46.243321][ T6822] el0_svc_common+0xe8/0x23c [ 46.244015][ T6822] do_el0_svc+0x48/0x58 [ 46.244716][ T6822] el0_svc+0x5c/0x254 [ 46.245372][ T6822] el0t_64_sync_handler+0x84/0x12c [ 46.246138][ T6822] el0t_64_sync+0x198/0x19c [ 46.246790][ T6822] irq event stamp: 850 [ 46.247331][ T6822] hardirqs last enabled at (849): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.248740][ T6822] hardirqs last disabled at (850): [] el1_brk64+0x20/0x54 [ 46.250045][ T6822] softirqs last enabled at (142): [] local_bh_enable+0x10/0x34 [ 46.251404][ T6822] softirqs last disabled at (140): [] local_bh_disable+0x10/0x34 [ 46.252927][ T6822] ---[ end trace 0000000000000000 ]--- [ 46.263065][ T ** replaying previous printk message ** [ 46.263065][ T6823] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.263383][ T6823] ------------[ cut here ]------------ [ 46.263387][ T6823] WARNING: CPU: 1 PID: 6823 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.267444][ T6823] Modules linked in: [ 46.268088][ T6823] CPU: 1 UID: 0 PID: 6823 Comm: syz.0.101 Tainted: G W syzkaller #0 PREEMPT [ 46.269692][ T6823] Tainted: [W]=WARN [ 46.270215][ T6823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.271774][ T6823] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.272943][ T6823] pc : iopt_map_pages+0xd7c/0xdcc [ 46.273565][ T6823] lr : iopt_map_pages+0xd7c/0xdcc [ 46.274165][ T6823] sp : ffff8000a06a76c0 [ 46.274688][ T6823] x29: ffff8000a06a78a0 x28: ffff0000d36c5010 x27: 1fffe0001a6d8a44 [ 46.275961][ T6823] x26: ffff8000a06a7b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.277219][ T6823] x23: ffff0000d36c5220 x22: ffff0000d36c51f8 x21: 00000000ffffffea [ 46.278482][ T6823] x20: dfff800000000000 x19: ffff8000a06a79b0 x18: 0000000000000000 [ 46.279722][ T6823] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.280916][ T6823] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.282073][ T6823] x11: ffff0000cbc58000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.283348][ T6823] x8 : ffff0000cbc58000 x7 : 0000000000000000 x6 : 000000000000003f [ 46.284613][ T6823] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.285811][ T6823] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.287102][ T6823] Call trace: [ 46.287596][ T6823] iopt_map_pages+0xd7c/0xdcc (P) [ 46.288338][ T6823] iopt_map_common+0x204/0x420 [ 46.289111][ T6823] iopt_map_user_pages+0xb4/0xd8 [ 46.289834][ T6823] iommufd_ioas_map+0x2d4/0x3d0 [ 46.290681][ T6823] iommufd_fops_ioctl+0x424/0x54c [ 46.291456][ T6823] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.292220][ T6823] invoke_syscall+0x98/0x254 [ 46.292947][ T6823] el0_svc_common+0xe8/0x23c [ 46.293586][ T6823] do_el0_svc+0x48/0x58 [ 46.294166][ T6823] el0_svc+0x5c/0x254 [ 46.294711][ T6823] el0t_64_sync_handler+0x84/0x12c [ 46.295448][ T6823] el0t_64_sync+0x198/0x19c [ 46.296090][ T6823] irq event stamp: 822 [ 46.296675][ T6823] hardirqs last enabled at (821): [] ___slab_alloc+0x808/0x127c [ 46.298165][ T6823] hardirqs last disabled at (822): [] el1_brk64+0x20/0x54 [ 46.299421][ T6823] softirqs last enabled at (134): [] local_bh_enable+0x10/0x34 [ 46.300785][ T6823] softirqs last disabled at (132): [] local_bh_disable+0x10/0x34 [ 46.302244][ T6823] ---[ end trace 0000000000000000 ]--- [ 46.312383][ T6824] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.313839][ T6824] ------------[ cut here ]------------ [ 46.313851][ T6824] WARNING: CPU: 1 PID: 6824 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.316410][ T6824] Modules linked in: [ 46.317074][ T6824] CPU: 1 UID: 0 PID: 6824 Comm: syz.0.102 Tainted: G W syzkaller #0 PREEMPT [ 46.318613][ T6824] Tainted: [W]=WARN [ 46.319241][ T6824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.320707][ T6824] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.321932][ T6824] pc : iopt_map_pages+0xd7c/0xdcc [ 46.322750][ T6824] lr : iopt_map_pages+0xd7c/0xdcc [ 46.323517][ T6824] sp : ffff8000a07576c0 [ 46.324178][ T6824] x29: ffff8000a07578a0 x28: ffff0000d458e810 x27: 1fffe0001a8b1d44 [ 46.325407][ T6824] x26: ffff8000a0757b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.326720][ T6824] x23: ffff0000d458ea20 x22: ffff0000d458e9f8 x21: 00000000ffffffea [ 46.328081][ T6824] x20: dfff800000000000 x19: ffff8000a07579b0 x18: 0000000000000000 [ 46.329402][ T6824] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.330633][ T6824] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.331879][ T6824] x11: ffff0000cb450000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.333176][ T6824] x8 : ffff0000cb450000 x7 : 0000000000000000 x6 : 000000000000003f [ 46.334471][ T6824] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.335779][ T6824] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.337080][ T6824] Call trace: [ 46.337567][ T6824] iopt_map_pages+0xd7c/0xdcc (P) [ 46.338346][ T6824] iopt_map_common+0x204/0x420 [ 46.339057][ T6824] iopt_map_user_pages+0xb4/0xd8 [ 46.339833][ T6824] iommufd_ioas_map+0x2d4/0x3d0 [ 46.340602][ T6824] iommufd_fops_ioctl+0x424/0x54c [ 46.341324][ T6824] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.342113][ T6824] invoke_syscall+0x98/0x254 [ 46.342808][ T6824] el0_svc_common+0xe8/0x23c [ 46.343534][ T6824] do_el0_svc+0x48/0x58 [ 46.344189][ T6824] el0_svc+0x5c/0x254 [ 46.344837][ T6824] el0t_64_sync_handler+0x84/0x12c [ 46.345639][ T6824] el0t_64_sync+0x198/0x19c [ 46.346318][ T6824] irq event stamp: 858 [ 46.346917][ T6824] hardirqs last enabled at (857): [] ___slab_alloc+0x808/0x127c [ 46.348327][ T6824] hardirqs last disabled at (858): [] el1_brk64+0x20/0x54 [ 46.349634][ T6824] softirqs last enabled at (820): [] local_bh_enable+0x10/0x34 [ 46.351018][ T6824] softirqs last disabled at (818): [] local_bh_disable+0x10/0x34 [ 46.352414][ T6824] ---[ end trace 0000000000000000 ]--- [ 46.362749][ T ** replaying previous printk message ** [ 46.362749][ T6825] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.363089][ T6825] ------------[ cut here ]------------ [ 46.363093][ T6825] WARNING: CPU: 1 PID: 6825 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.367324][ T6825] Modules linked in: [ 46.367922][ T6825] CPU: 1 UID: 0 PID: 6825 Comm: syz.0.103 Tainted: G W syzkaller #0 PREEMPT [ 46.369429][ T6825] Tainted: [W]=WARN [ 46.369986][ T6825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.371493][ T6825] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.372632][ T6825] pc : iopt_map_pages+0xd7c/0xdcc [ 46.373291][ T6825] lr : iopt_map_pages+0xd7c/0xdcc [ 46.373962][ T6825] sp : ffff8000a06a76c0 [ 46.374548][ T6825] x29: ffff8000a06a78a0 x28: ffff0000d36c7810 x27: 1fffe0001a6d8f44 [ 46.375734][ T6825] x26: ffff8000a06a7b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.376939][ T6825] x23: ffff0000d36c7a20 x22: ffff0000d36c79f8 x21: 00000000ffffffea [ 46.378108][ T6825] x20: dfff800000000000 x19: ffff8000a06a79b0 x18: 0000000000000000 [ 46.379293][ T6825] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.380585][ T6825] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.381774][ T6825] x11: ffff0000cbc5bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.382864][ T6825] x8 : ffff0000cbc5bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 46.383993][ T6825] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.385172][ T6825] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.386341][ T6825] Call trace: [ 46.386781][ T6825] iopt_map_pages+0xd7c/0xdcc (P) [ 46.387496][ T6825] iopt_map_common+0x204/0x420 [ 46.388208][ T6825] iopt_map_user_pages+0xb4/0xd8 [ 46.388979][ T6825] iommufd_ioas_map+0x2d4/0x3d0 [ 46.389761][ T6825] iommufd_fops_ioctl+0x424/0x54c [ 46.390494][ T6825] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.391229][ T6825] invoke_syscall+0x98/0x254 [ 46.391936][ T6825] el0_svc_common+0xe8/0x23c [ 46.392615][ T6825] do_el0_svc+0x48/0x58 [ 46.393269][ T6825] el0_svc+0x5c/0x254 [ 46.393852][ T6825] el0t_64_sync_handler+0x84/0x12c [ 46.394587][ T6825] el0t_64_sync+0x198/0x19c [ 46.395274][ T6825] irq event stamp: 838 [ 46.395936][ T6825] hardirqs last enabled at (837): [] ___slab_alloc+0x808/0x127c [ 46.397321][ T6825] hardirqs last disabled at (838): [] el1_brk64+0x20/0x54 [ 46.398716][ T6825] softirqs last enabled at (142): [] local_bh_enable+0x10/0x34 [ 46.400127][ T6825] softirqs last disabled at (140): [] local_bh_disable+0x10/0x34 [ 46.401543][ T6825] ---[ end trace 0000000000000000 ]--- [ 46.411097][ ** replaying previous printk message ** [ 46.411097][ T6826] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.411424][ T6826] ------------[ cut here ]------------ [ 46.411428][ T6826] WARNING: CPU: 1 PID: 6826 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.415366][ T6826] Modules linked in: [ 46.415965][ T6826] CPU: 1 UID: 0 PID: 6826 Comm: syz.0.104 Tainted: G W syzkaller #0 PREEMPT [ 46.417541][ T6826] Tainted: [W]=WARN [ 46.418092][ T6826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.419698][ T6826] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.420984][ T6826] pc : iopt_map_pages+0xd7c/0xdcc [ 46.421876][ T6826] lr : iopt_map_pages+0xd7c/0xdcc [ 46.422752][ T6826] sp : ffff8000a06a76c0 [ 46.423447][ T6826] x29: ffff8000a06a78a0 x28: ffff0000cbbd0810 x27: 1fffe0001977a144 [ 46.424692][ T6826] x26: ffff8000a06a7b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.426039][ T6826] x23: ffff0000cbbd0a20 x22: ffff0000cbbd09f8 x21: 00000000ffffffea [ 46.427316][ T6826] x20: dfff800000000000 x19: ffff8000a06a79b0 x18: 0000000000000000 [ 46.428561][ T6826] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.429809][ T6826] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.431104][ T6826] x11: ffff0000cb7e8000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.432323][ T6826] x8 : ffff0000cb7e8000 x7 : 0000000000000000 x6 : 000000000000003f [ 46.433587][ T6826] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.434838][ T6826] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.436093][ T6826] Call trace: [ 46.436559][ T6826] iopt_map_pages+0xd7c/0xdcc (P) [ 46.437284][ T6826] iopt_map_common+0x204/0x420 [ 46.438022][ T6826] iopt_map_user_pages+0xb4/0xd8 [ 46.438794][ T6826] iommufd_ioas_map+0x2d4/0x3d0 [ 46.439512][ T6826] iommufd_fops_ioctl+0x424/0x54c [ 46.440275][ T6826] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.441075][ T6826] invoke_syscall+0x98/0x254 [ 46.441754][ T6826] el0_svc_common+0xe8/0x23c [ 46.442394][ T6826] do_el0_svc+0x48/0x58 [ 46.442979][ T6826] el0_svc+0x5c/0x254 [ 46.443561][ T6826] el0t_64_sync_handler+0x84/0x12c [ 46.444416][ T6826] el0t_64_sync+0x198/0x19c [ 46.445146][ T6826] irq event stamp: 1362 [ 46.445753][ T6826] hardirqs last enabled at (1361): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.447222][ T6826] hardirqs last disabled at (1362): [] el1_brk64+0x20/0x54 [ 46.448599][ T6826] softirqs last enabled at (134): [] local_bh_enable+0x10/0x34 [ 46.449879][ T6826] softirqs last disabled at (132): [] local_bh_disable+0x10/0x34 [ 46.451225][ T6826] ---[ end trace 0000000000000000 ]--- [ 46.460319][ T6827 ** replaying previous printk message ** [ 46.460319][ T6827] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.460713][ T6827] ------------[ cut here ]------------ [ 46.460717][ T6827] WARNING: CPU: 1 PID: 6827 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.464524][ T6827] Modules linked in: [ 46.465103][ T6827] CPU: 1 UID: 0 PID: 6827 Comm: syz.0.105 Tainted: G W syzkaller #0 PREEMPT [ 46.466681][ T6827] Tainted: [W]=WARN [ 46.467277][ T6827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.468807][ T6827] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.470003][ T6827] pc : iopt_map_pages+0xd7c/0xdcc [ 46.470773][ T6827] lr : iopt_map_pages+0xd7c/0xdcc [ 46.471550][ T6827] sp : ffff8000a06a76c0 [ 46.472210][ T6827] x29: ffff8000a06a78a0 x28: ffff0000cbbd1810 x27: 1fffe0001977a344 [ 46.473463][ T6827] x26: ffff8000a06a7b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.474662][ T6827] x23: ffff0000cbbd1a20 x22: ffff0000cbbd19f8 x21: 00000000ffffffea [ 46.475864][ T6827] x20: dfff800000000000 x19: ffff8000a06a79b0 x18: 0000000000000000 [ 46.477124][ T6827] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.478308][ T6827] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.479486][ T6827] x11: ffff0000c67c5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.480729][ T6827] x8 : ffff0000c67c5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 46.481937][ T6827] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.483333][ T6827] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.484582][ T6827] Call trace: [ 46.485072][ T6827] iopt_map_pages+0xd7c/0xdcc (P) [ 46.485916][ T6827] iopt_map_common+0x204/0x420 [ 46.486673][ T6827] iopt_map_user_pages+0xb4/0xd8 [ 46.487463][ T6827] iommufd_ioas_map+0x2d4/0x3d0 [ 46.488215][ T6827] iommufd_fops_ioctl+0x424/0x54c [ 46.488987][ T6827] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.489811][ T6827] invoke_syscall+0x98/0x254 [ 46.490488][ T6827] el0_svc_common+0xe8/0x23c [ 46.491180][ T6827] do_el0_svc+0x48/0x58 [ 46.491766][ T6827] el0_svc+0x5c/0x254 [ 46.492440][ T6827] el0t_64_sync_handler+0x84/0x12c [ 46.493201][ T6827] el0t_64_sync+0x198/0x19c [ 46.493924][ T6827] irq event stamp: 898 [ 46.494570][ T6827] hardirqs last enabled at (897): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.496039][ T6827] hardirqs last disabled at (898): [] el1_brk64+0x20/0x54 [ 46.497391][ T6827] softirqs last enabled at (136): [] local_bh_enable+0x10/0x34 [ 46.498848][ T6827] softirqs last disabled at (134): [] local_bh_disable+0x10/0x34 [ 46.500247][ T6827] ---[ end trace 0000000000000000 ]--- [ 46.510998][ T6828] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.512339][ T6828] ------------[ cut here ]------------ [ 46.512351][ T6828] WARNING: CPU: 1 PID: 6828 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.515078][ T6828] Modules linked in: [ 46.515769][ T6828] CPU: 1 UID: 0 PID: 6828 Comm: syz.0.106 Tainted: G W syzkaller #0 PREEMPT [ 46.517405][ T6828] Tainted: [W]=WARN [ 46.517996][ T6828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.519569][ T6828] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.520673][ T6828] pc : iopt_map_pages+0xd7c/0xdcc [ 46.521471][ T6828] lr : iopt_map_pages+0xd7c/0xdcc [ 46.522208][ T6828] sp : ffff8000a07276c0 [ 46.522845][ T6828] x29: ffff8000a07278a0 x28: ffff0000d458f810 x27: 1fffe0001a8b1f44 [ 46.524088][ T6828] x26: ffff8000a0727b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.525342][ T6828] x23: ffff0000d458fa20 x22: ffff0000d458f9f8 x21: 00000000ffffffea [ 46.526518][ T6828] x20: dfff800000000000 x19: ffff8000a07279b0 x18: 0000000000000000 [ 46.527779][ T6828] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.529059][ T6828] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.530304][ T6828] x11: ffff0000cb8f9ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.531553][ T6828] x8 : ffff0000cb8f9ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 46.532802][ T6828] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.533985][ T6828] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.535125][ T6828] Call trace: [ 46.535602][ T6828] iopt_map_pages+0xd7c/0xdcc (P) [ 46.536305][ T6828] iopt_map_common+0x204/0x420 [ 46.536988][ T6828] iopt_map_user_pages+0xb4/0xd8 [ 46.537644][ T6828] iommufd_ioas_map+0x2d4/0x3d0 [ 46.538428][ T6828] iommufd_fops_ioctl+0x424/0x54c [ 46.539194][ T6828] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.539814][ T6828] invoke_syscall+0x98/0x254 [ 46.540426][ T6828] el0_svc_common+0xe8/0x23c [ 46.541027][ T6828] do_el0_svc+0x48/0x58 [ 46.541562][ T6828] el0_svc+0x5c/0x254 [ 46.542158][ T6828] el0t_64_sync_handler+0x84/0x12c [ 46.542868][ T6828] el0t_64_sync+0x198/0x19c [ 46.543575][ T6828] irq event stamp: 888 [ 46.544229][ T6828] hardirqs last enabled at (887): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.545735][ T6828] hardirqs last disabled at (888): [] el1_brk64+0x20/0x54 [ 46.546942][ T6828] softirqs last enabled at (854): [] local_bh_enable+0x10/0x34 [ 46.548186][ T6828] softirqs last disabled at (852): [] local_bh_disable+0x10/0x34 [ 46.549498][ T6828] ---[ end trace 0000000000000000 ]--- [ 46.558986][ ** replaying previous printk message ** [ 46.558986][ T6829] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.559313][ T6829] ------------[ cut here ]------------ [ 46.559317][ T6829] WARNING: CPU: 1 PID: 6829 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.563405][ T6829] Modules linked in: [ 46.564021][ T6829] CPU: 1 UID: 0 PID: 6829 Comm: syz.0.107 Tainted: G W syzkaller #0 PREEMPT [ 46.565749][ T6829] Tainted: [W]=WARN [ 46.566331][ T6829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.567868][ T6829] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.569052][ T6829] pc : iopt_map_pages+0xd7c/0xdcc [ 46.569789][ T6829] lr : iopt_map_pages+0xd7c/0xdcc [ 46.570658][ T6829] sp : ffff8000a06676c0 [ 46.571279][ T6829] x29: ffff8000a06678a0 x28: ffff0000cbbd2810 x27: 1fffe0001977a544 [ 46.572535][ T6829] x26: ffff8000a0667b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.573665][ T6829] x23: ffff0000cbbd2a20 x22: ffff0000cbbd29f8 x21: 00000000ffffffea [ 46.574857][ T6829] x20: dfff800000000000 x19: ffff8000a06679b0 x18: 0000000000000000 [ 46.576092][ T6829] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.577442][ T6829] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.578648][ T6829] x11: ffff0000c67c3d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.579870][ T6829] x8 : ffff0000c67c3d80 x7 : 0000000000000000 x6 : 000000000000003f [ 46.581034][ T6829] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.582313][ T6829] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.583485][ T6829] Call trace: [ 46.584015][ T6829] iopt_map_pages+0xd7c/0xdcc (P) [ 46.584801][ T6829] iopt_map_common+0x204/0x420 [ 46.585549][ T6829] iopt_map_user_pages+0xb4/0xd8 [ 46.586254][ T6829] iommufd_ioas_map+0x2d4/0x3d0 [ 46.586994][ T6829] iommufd_fops_ioctl+0x424/0x54c [ 46.587783][ T6829] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.588521][ T6829] invoke_syscall+0x98/0x254 [ 46.589231][ T6829] el0_svc_common+0xe8/0x23c [ 46.589951][ T6829] do_el0_svc+0x48/0x58 [ 46.590648][ T6829] el0_svc+0x5c/0x254 [ 46.591205][ T6829] el0t_64_sync_handler+0x84/0x12c [ 46.591951][ T6829] el0t_64_sync+0x198/0x19c [ 46.592627][ T6829] irq event stamp: 1258 [ 46.593243][ T6829] hardirqs last enabled at (1257): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.594687][ T6829] hardirqs last disabled at (1258): [] el1_brk64+0x20/0x54 [ 46.596038][ T6829] softirqs last enabled at (146): [] local_bh_enable+0x10/0x34 [ 46.597490][ T6829] softirqs last disabled at (144): [] local_bh_disable+0x10/0x34 [ 46.598891][ T6829] ---[ end trace 0000000000000000 ]--- [ 46.608243][ T68 ** replaying previous printk message ** [ 46.608243][ T6830] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.608573][ T6830] ------------[ cut here ]------------ [ 46.608577][ T6830] WARNING: CPU: 1 PID: 6830 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.612847][ T6830] Modules linked in: [ 46.613498][ T6830] CPU: 1 UID: 0 PID: 6830 Comm: syz.0.108 Tainted: G W syzkaller #0 PREEMPT [ 46.615121][ T6830] Tainted: [W]=WARN [ 46.615683][ T6830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.617196][ T6830] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.618407][ T6830] pc : iopt_map_pages+0xd7c/0xdcc [ 46.619114][ T6830] lr : iopt_map_pages+0xd7c/0xdcc [ 46.619885][ T6830] sp : ffff8000a06276c0 [ 46.620493][ T6830] x29: ffff8000a06278a0 x28: ffff0000cbbd3810 x27: 1fffe0001977a744 [ 46.621631][ T6830] x26: ffff8000a0627b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.622864][ T6830] x23: ffff0000cbbd3a20 x22: ffff0000cbbd39f8 x21: 00000000ffffffea [ 46.624068][ T6830] x20: dfff800000000000 x19: ffff8000a06279b0 x18: 0000000000000000 [ 46.625254][ T6830] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.626497][ T6830] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.627676][ T6830] x11: ffff0000c67c1ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.628844][ T6830] x8 : ffff0000c67c1ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 46.630082][ T6830] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.631267][ T6830] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.632389][ T6830] Call trace: [ 46.632851][ T6830] iopt_map_pages+0xd7c/0xdcc (P) [ 46.633533][ T6830] iopt_map_common+0x204/0x420 [ 46.634219][ T6830] iopt_map_user_pages+0xb4/0xd8 [ 46.634921][ T6830] iommufd_ioas_map+0x2d4/0x3d0 [ 46.635548][ T6830] iommufd_fops_ioctl+0x424/0x54c [ 46.636212][ T6830] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.636909][ T6830] invoke_syscall+0x98/0x254 [ 46.637849][ T6830] el0_svc_common+0xe8/0x23c [ 46.638505][ T6830] do_el0_svc+0x48/0x58 [ 46.639110][ T6830] el0_svc+0x5c/0x254 [ 46.639636][ T6830] el0t_64_sync_handler+0x84/0x12c [ 46.640375][ T6830] el0t_64_sync+0x198/0x19c [ 46.640975][ T6830] irq event stamp: 838 [ 46.641567][ T6830] hardirqs last enabled at (837): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.643134][ T6830] hardirqs last disabled at (838): [] el1_brk64+0x20/0x54 [ 46.644411][ T6830] softirqs last enabled at (134): [] local_bh_enable+0x10/0x34 [ 46.645837][ T6830] softirqs last disabled at (132): [] local_bh_disable+0x10/0x34 [ 46.647130][ T6830] ---[ end trace 0000000000000000 ]--- [ 46.656426][ T683 ** replaying previous printk message ** [ 46.656426][ T6831] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.656759][ T6831] ------------[ cut here ]------------ [ 46.656764][ T6831] WARNING: CPU: 1 PID: 6831 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.660874][ T6831] Modules linked in: [ 46.661478][ T6831] CPU: 1 UID: 0 PID: 6831 Comm: syz.0.109 Tainted: G W syzkaller #0 PREEMPT [ 46.663028][ T6831] Tainted: [W]=WARN [ 46.663584][ T6831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.665088][ T6831] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.666356][ T6831] pc : iopt_map_pages+0xd7c/0xdcc [ 46.667099][ T6831] lr : iopt_map_pages+0xd7c/0xdcc [ 46.667842][ T6831] sp : ffff8000a07276c0 [ 46.668516][ T6831] x29: ffff8000a07278a0 x28: ffff0000cbbd4810 x27: 1fffe0001977a944 [ 46.669708][ T6831] x26: ffff8000a0727b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.670819][ T6831] x23: ffff0000cbbd4a20 x22: ffff0000cbbd49f8 x21: 00000000ffffffea [ 46.672106][ T6831] x20: dfff800000000000 x19: ffff8000a07279b0 x18: 0000000000000000 [ 46.673302][ T6831] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.674467][ T6831] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.675655][ T6831] x11: ffff0000cb8fbd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.676805][ T6831] x8 : ffff0000cb8fbd80 x7 : 0000000000000000 x6 : 000000000000003f [ 46.678043][ T6831] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.679246][ T6831] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.680450][ T6831] Call trace: [ 46.680880][ T6831] iopt_map_pages+0xd7c/0xdcc (P) [ 46.681635][ T6831] iopt_map_common+0x204/0x420 [ 46.682353][ T6831] iopt_map_user_pages+0xb4/0xd8 [ 46.683108][ T6831] iommufd_ioas_map+0x2d4/0x3d0 [ 46.683790][ T6831] iommufd_fops_ioctl+0x424/0x54c [ 46.684508][ T6831] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.685233][ T6831] invoke_syscall+0x98/0x254 [ 46.685910][ T6831] el0_svc_common+0xe8/0x23c [ 46.686588][ T6831] do_el0_svc+0x48/0x58 [ 46.687163][ T6831] el0_svc+0x5c/0x254 [ 46.687753][ T6831] el0t_64_sync_handler+0x84/0x12c [ 46.688499][ T6831] el0t_64_sync+0x198/0x19c [ 46.689135][ T6831] irq event stamp: 946 [ 46.689782][ T6831] hardirqs last enabled at (945): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.691204][ T6831] hardirqs last disabled at (946): [] el1_brk64+0x20/0x54 [ 46.692456][ T6831] softirqs last enabled at (912): [] local_bh_enable+0x10/0x34 [ 46.693743][ T6831] softirqs last disabled at (910): [] local_bh_disable+0x10/0x34 [ 46.695117][ T6831] ---[ end trace 0000000000000000 ]--- [ 46.705037][ T6832] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.707849][ T6832] ------------[ cut here ]------------ [ 46.707859][ T6832] WARNING: CPU: 0 PID: 6832 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.710336][ T6832] Modules linked in: [ 46.710966][ T6832] CPU: 0 UID: 0 PID: 6832 Comm: syz.0.110 Tainted: G W syzkaller #0 PREEMPT [ 46.712486][ T6832] Tainted: [W]=WARN [ 46.713044][ T6832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.714488][ T6832] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.715636][ T6832] pc : iopt_map_pages+0xd7c/0xdcc [ 46.716330][ T6832] lr : iopt_map_pages+0xd7c/0xdcc [ 46.717111][ T6832] sp : ffff8000a07c76c0 [ 46.717715][ T6832] x29: ffff8000a07c78a0 x28: ffff0000cbc22010 x27: 1fffe00019784444 [ 46.718847][ T6832] x26: ffff8000a07c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.720112][ T6832] x23: ffff0000cbc22220 x22: ffff0000cbc221f8 x21: 00000000ffffffea [ 46.721323][ T6832] x20: dfff800000000000 x19: ffff8000a07c79b0 x18: 0000000000000000 [ 46.722523][ T6832] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.723682][ T6832] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.724921][ T6832] x11: ffff0000d3903d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.726093][ T6832] x8 : ffff0000d3903d80 x7 : 0000000000000000 x6 : 000000000000003f [ 46.727343][ T6832] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.728582][ T6832] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.729698][ T6832] Call trace: [ 46.730148][ T6832] iopt_map_pages+0xd7c/0xdcc (P) [ 46.730888][ T6832] iopt_map_common+0x204/0x420 [ 46.731596][ T6832] iopt_map_user_pages+0xb4/0xd8 [ 46.732354][ T6832] iommufd_ioas_map+0x2d4/0x3d0 [ 46.733067][ T6832] iommufd_fops_ioctl+0x424/0x54c [ 46.733938][ T6832] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.734676][ T6832] invoke_syscall+0x98/0x254 [ 46.735461][ T6832] el0_svc_common+0xe8/0x23c [ 46.736154][ T6832] do_el0_svc+0x48/0x58 [ 46.736776][ T6832] el0_svc+0x5c/0x254 [ 46.737334][ T6832] el0t_64_sync_handler+0x84/0x12c [ 46.738114][ T6832] el0t_64_sync+0x198/0x19c [ 46.738765][ T6832] irq event stamp: 1308 [ 46.739398][ T6832] hardirqs last enabled at (1307): [] ___slab_alloc+0x808/0x127c [ 46.740785][ T6832] hardirqs last disabled at (1308): [] el1_brk64+0x20/0x54 [ 46.742025][ T6832] softirqs last enabled at (868): [] local_bh_enable+0x10/0x34 [ 46.743493][ T6832] softirqs last disabled at (866): [] local_bh_disable+0x10/0x34 [ 46.744933][ T6832] ---[ end trace 0000000000000000 ]--- [ 46.753582][ T6833] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.753898][ T6833] ------------[ cut here ]------------ [ 46.753904][ T6833] WARNING: CPU: 0 PID: 6833 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.757540][ T6833] Modules linked in: [ 46.758152][ T6833] CPU: 0 UID: 0 PID: 6833 Comm: syz.0.111 Tainted: G W syzkaller #0 PREEMPT [ 46.759864][ T6833] Tainted: [W]=WARN [ 46.760469][ T6833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.761951][ T6833] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.763126][ T6833] pc : iopt_map_pages+0xd7c/0xdcc [ 46.763877][ T6833] lr : iopt_map_pages+0xd7c/0xdcc [ 46.764556][ T6833] sp : ffff8000a07c76c0 [ 46.765208][ T6833] x29: ffff8000a07c78a0 x28: ffff0000cbc21010 x27: 1fffe00019784244 [ 46.766378][ T6833] x26: ffff8000a07c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.767584][ T6833] x23: ffff0000cbc21220 x22: ffff0000cbc211f8 x21: 00000000ffffffea [ 46.768837][ T6833] x20: dfff800000000000 x19: ffff8000a07c79b0 x18: 0000000000000000 [ 46.769992][ T6833] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.771154][ T6833] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.772403][ T6833] x11: ffff0000d3905c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.773589][ T6833] x8 : ffff0000d3905c40 x7 : 0000000000000000 x6 : 000000000000003f [ 46.774818][ T6833] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.776032][ T6833] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.777277][ T6833] Call trace: [ 46.777755][ T6833] iopt_map_pages+0xd7c/0xdcc (P) [ 46.778478][ T6833] iopt_map_common+0x204/0x420 [ 46.779228][ T6833] iopt_map_user_pages+0xb4/0xd8 [ 46.779968][ T6833] iommufd_ioas_map+0x2d4/0x3d0 [ 46.780727][ T6833] iommufd_fops_ioctl+0x424/0x54c [ 46.781463][ T6833] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.782161][ T6833] invoke_syscall+0x98/0x254 [ 46.782860][ T6833] el0_svc_common+0xe8/0x23c [ 46.783563][ T6833] do_el0_svc+0x48/0x58 [ 46.784218][ T6833] el0_svc+0x5c/0x254 [ 46.784820][ T6833] el0t_64_sync_handler+0x84/0x12c [ 46.785588][ T6833] el0t_64_sync+0x198/0x19c [ 46.786289][ T6833] irq event stamp: 868 [ 46.786910][ T6833] hardirqs last enabled at (867): [] ___slab_alloc+0x808/0x127c [ 46.788318][ T6833] hardirqs last disabled at (868): [] el1_brk64+0x20/0x54 [ 46.789634][ T6833] softirqs last enabled at (180): [] local_bh_enable+0x10/0x34 [ 46.790912][ T6833] softirqs last disabled at (178): [] local_bh_disable+0x10/0x34 [ 46.792280][ T6833] ---[ end trace 0000000000000000 ]--- [ 46.801524][ T68 ** replaying previous printk message ** [ 46.801524][ T6834] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.801853][ T6834] ------------[ cut here ]------------ [ 46.801857][ T6834] WARNING: CPU: 0 PID: 6834 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.805850][ T6834] Modules linked in: [ 46.806459][ T6834] CPU: 0 UID: 0 PID: 6834 Comm: syz.0.112 Tainted: G W syzkaller #0 PREEMPT [ 46.807980][ T6834] Tainted: [W]=WARN [ 46.808563][ T6834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.810024][ T6834] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.811263][ T6834] pc : iopt_map_pages+0xd7c/0xdcc [ 46.812018][ T6834] lr : iopt_map_pages+0xd7c/0xdcc [ 46.812789][ T6834] sp : ffff8000a06276c0 [ 46.813374][ T6834] x29: ffff8000a06278a0 x28: ffff0000c8718010 x27: 1fffe000190e3044 [ 46.814535][ T6834] x26: ffff8000a0627b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.815822][ T6834] x23: ffff0000c8718220 x22: ffff0000c87181f8 x21: 00000000ffffffea [ 46.816991][ T6834] x20: dfff800000000000 x19: ffff8000a06279b0 x18: 0000000000000000 [ 46.818162][ T6834] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.819360][ T6834] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.820516][ T6834] x11: ffff0000d3901ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.821779][ T6834] x8 : ffff0000d3901ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 46.822972][ T6834] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.824260][ T6834] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.825446][ T6834] Call trace: [ 46.825899][ T6834] iopt_map_pages+0xd7c/0xdcc (P) [ 46.826614][ T6834] iopt_map_common+0x204/0x420 [ 46.827309][ T6834] iopt_map_user_pages+0xb4/0xd8 [ 46.828132][ T6834] iommufd_ioas_map+0x2d4/0x3d0 [ 46.828801][ T6834] iommufd_fops_ioctl+0x424/0x54c [ 46.829531][ T6834] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.830188][ T6834] invoke_syscall+0x98/0x254 [ 46.830944][ T6834] el0_svc_common+0xe8/0x23c [ 46.831612][ T6834] do_el0_svc+0x48/0x58 [ 46.832207][ T6834] el0_svc+0x5c/0x254 [ 46.832781][ T6834] el0t_64_sync_handler+0x84/0x12c [ 46.833601][ T6834] el0t_64_sync+0x198/0x19c [ 46.834296][ T6834] irq event stamp: 882 [ 46.834931][ T6834] hardirqs last enabled at (881): [] ___slab_alloc+0x808/0x127c [ 46.836295][ T6834] hardirqs last disabled at (882): [] el1_brk64+0x20/0x54 [ 46.837530][ T6834] softirqs last enabled at (186): [] local_bh_enable+0x10/0x34 [ 46.838789][ T6834] softirqs last disabled at (184): [] local_bh_disable+0x10/0x34 [ 46.840104][ T6834] ---[ end trace 0000000000000000 ]--- [ 46.852052][ T683 ** replaying previous printk message ** [ 46.852052][ T6835] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.852400][ T6835] ------------[ cut here ]------------ [ 46.852404][ T6835] WARNING: CPU: 0 PID: 6835 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.856586][ T6835] Modules linked in: [ 46.857213][ T6835] CPU: 0 UID: 0 PID: 6835 Comm: syz.0.113 Tainted: G W syzkaller #0 PREEMPT [ 46.858731][ T6835] Tainted: [W]=WARN [ 46.859279][ T6835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.860747][ T6835] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.861844][ T6835] pc : iopt_map_pages+0xd7c/0xdcc [ 46.862653][ T6835] lr : iopt_map_pages+0xd7c/0xdcc [ 46.863402][ T6835] sp : ffff8000a06276c0 [ 46.863994][ T6835] x29: ffff8000a06278a0 x28: ffff0000c8719010 x27: 1fffe000190e3244 [ 46.865232][ T6835] x26: ffff8000a0627b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.866422][ T6835] x23: ffff0000c8719220 x22: ffff0000c87191f8 x21: 00000000ffffffea [ 46.867633][ T6835] x20: dfff800000000000 x19: ffff8000a06279b0 x18: 0000000000000000 [ 46.868823][ T6835] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.869999][ T6835] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.871145][ T6835] x11: ffff0000d73d8000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.872271][ T6835] x8 : ffff0000d73d8000 x7 : 0000000000000000 x6 : 000000000000003f [ 46.873375][ T6835] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.874677][ T6835] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.875818][ T6835] Call trace: [ 46.876307][ T6835] iopt_map_pages+0xd7c/0xdcc (P) [ 46.877027][ T6835] iopt_map_common+0x204/0x420 [ 46.877667][ T6835] iopt_map_user_pages+0xb4/0xd8 [ 46.878339][ T6835] iommufd_ioas_map+0x2d4/0x3d0 [ 46.879088][ T6835] iommufd_fops_ioctl+0x424/0x54c [ 46.879897][ T6835] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.880628][ T6835] invoke_syscall+0x98/0x254 [ 46.881301][ T6835] el0_svc_common+0xe8/0x23c [ 46.881936][ T6835] do_el0_svc+0x48/0x58 [ 46.882560][ T6835] el0_svc+0x5c/0x254 [ 46.883177][ T6835] el0t_64_sync_handler+0x84/0x12c [ 46.883927][ T6835] el0t_64_sync+0x198/0x19c [ 46.884610][ T6835] irq event stamp: 894 [ 46.885137][ T6835] hardirqs last enabled at (893): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.886475][ T6835] hardirqs last disabled at (894): [] el1_brk64+0x20/0x54 [ 46.887844][ T6835] softirqs last enabled at (160): [] local_bh_enable+0x10/0x34 [ 46.889126][ T6835] softirqs last disabled at (158): [] local_bh_disable+0x10/0x34 [ 46.890488][ T6835] ---[ end trace 0000000000000000 ]--- [ 46.900227][ T6836] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.903034][ T6836] ------------[ cut here ]------------ [ 46.903045][ T6836] WARNING: CPU: 1 PID: 6836 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.905715][ T6836] Modules linked in: [ 46.906348][ T6836] CPU: 1 UID: 0 PID: 6836 Comm: syz.0.114 Tainted: G W syzkaller #0 PREEMPT [ 46.907978][ T6836] Tainted: [W]=WARN [ 46.908538][ T6836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.910036][ T6836] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.911226][ T6836] pc : iopt_map_pages+0xd7c/0xdcc [ 46.912007][ T6836] lr : iopt_map_pages+0xd7c/0xdcc [ 46.912789][ T6836] sp : ffff8000a07276c0 [ 46.913386][ T6836] x29: ffff8000a07278a0 x28: ffff0000d5d40810 x27: 1fffe0001aba8144 [ 46.914715][ T6836] x26: ffff8000a0727b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.915981][ T6836] x23: ffff0000d5d40a20 x22: ffff0000d5d409f8 x21: 00000000ffffffea [ 46.917204][ T6836] x20: dfff800000000000 x19: ffff8000a07279b0 x18: 0000000000000000 [ 46.918438][ T6836] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.919559][ T6836] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.920684][ T6836] x11: ffff0000d3928000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.921930][ T6836] x8 : ffff0000d3928000 x7 : 0000000000000000 x6 : 000000000000003f [ 46.923053][ T6836] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.924239][ T6836] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.925310][ T6836] Call trace: [ 46.925778][ T6836] iopt_map_pages+0xd7c/0xdcc (P) [ 46.926488][ T6836] iopt_map_common+0x204/0x420 [ 46.927220][ T6836] iopt_map_user_pages+0xb4/0xd8 [ 46.927951][ T6836] iommufd_ioas_map+0x2d4/0x3d0 [ 46.928661][ T6836] iommufd_fops_ioctl+0x424/0x54c [ 46.929439][ T6836] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.930161][ T6836] invoke_syscall+0x98/0x254 [ 46.930852][ T6836] el0_svc_common+0xe8/0x23c [ 46.931603][ T6836] do_el0_svc+0x48/0x58 [ 46.932184][ T6836] el0_svc+0x5c/0x254 [ 46.932712][ T6836] el0t_64_sync_handler+0x84/0x12c [ 46.933392][ T6836] el0t_64_sync+0x198/0x19c [ 46.934023][ T6836] irq event stamp: 876 [ 46.934556][ T6836] hardirqs last enabled at (875): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.935930][ T6836] hardirqs last disabled at (876): [] el1_brk64+0x20/0x54 [ 46.937144][ T6836] softirqs last enabled at (836): [] local_bh_enable+0x10/0x34 [ 46.938410][ T6836] softirqs last disabled at (834): [] local_bh_disable+0x10/0x34 [ 46.939889][ T6836] ---[ end trace 0000000000000000 ]--- [ 46.948675][ T6837] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.948999][ T6837] ------------[ cut here ]------------ [ 46.949006][ T6837] WARNING: CPU: 0 PID: 6837 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 46.952470][ T6837] Modules linked in: [ 46.953011][ T6837] CPU: 0 UID: 0 PID: 6837 Comm: syz.0.115 Tainted: G W syzkaller #0 PREEMPT [ 46.954534][ T6837] Tainted: [W]=WARN [ 46.955099][ T6837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.956565][ T6837] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.957721][ T6837] pc : iopt_map_pages+0xd7c/0xdcc [ 46.958449][ T6837] lr : iopt_map_pages+0xd7c/0xdcc [ 46.959155][ T6837] sp : ffff8000a07276c0 [ 46.959744][ T6837] x29: ffff8000a07278a0 x28: ffff0000c871a010 x27: 1fffe000190e3444 [ 46.960942][ T6837] x26: ffff8000a0727b00 x25: 0000000000002fff x24: 0000000000003000 [ 46.962211][ T6837] x23: ffff0000c871a220 x22: ffff0000c871a1f8 x21: 00000000ffffffea [ 46.963386][ T6837] x20: dfff800000000000 x19: ffff8000a07279b0 x18: 0000000000000000 [ 46.964589][ T6837] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 46.965747][ T6837] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 46.967007][ T6837] x11: ffff0000d73ddc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 46.968288][ T6837] x8 : ffff0000d73ddc40 x7 : 0000000000000000 x6 : 000000000000003f [ 46.969518][ T6837] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 46.970647][ T6837] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 46.971818][ T6837] Call trace: [ 46.972303][ T6837] iopt_map_pages+0xd7c/0xdcc (P) [ 46.973027][ T6837] iopt_map_common+0x204/0x420 [ 46.973726][ T6837] iopt_map_user_pages+0xb4/0xd8 [ 46.974420][ T6837] iommufd_ioas_map+0x2d4/0x3d0 [ 46.975135][ T6837] iommufd_fops_ioctl+0x424/0x54c [ 46.975916][ T6837] __arm64_sys_ioctl+0x14c/0x1c4 [ 46.976693][ T6837] invoke_syscall+0x98/0x254 [ 46.977366][ T6837] el0_svc_common+0xe8/0x23c [ 46.978053][ T6837] do_el0_svc+0x48/0x58 [ 46.978644][ T6837] el0_svc+0x5c/0x254 [ 46.979260][ T6837] el0t_64_sync_handler+0x84/0x12c [ 46.980016][ T6837] el0t_64_sync+0x198/0x19c [ 46.980630][ T6837] irq event stamp: 850 [ 46.981216][ T6837] hardirqs last enabled at (849): [] kasan_quarantine_put+0x1a0/0x1c8 [ 46.982674][ T6837] hardirqs last disabled at (850): [] el1_brk64+0x20/0x54 [ 46.984004][ T6837] softirqs last enabled at (166): [] local_bh_enable+0x10/0x34 [ 46.985466][ T6837] softirqs last disabled at (164): [] local_bh_disable+0x10/0x34 [ 46.986841][ T6837] ---[ end trace 0000000000000000 ]--- [ 46.996674][ T6838] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 46.998149][ T6838] ------------[ cut here ]------------ [ 46.998161][ T6838] WARNING: CPU: 0 PID: 6838 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.000555][ T6838] Modules linked in: [ 47.001132][ T6838] CPU: 0 UID: 0 PID: 6838 Comm: syz.0.116 Tainted: G W syzkaller #0 PREEMPT [ 47.002711][ T6838] Tainted: [W]=WARN [ 47.003283][ T6838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.004862][ T6838] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.006147][ T6838] pc : iopt_map_pages+0xd7c/0xdcc [ 47.006940][ T6838] lr : iopt_map_pages+0xd7c/0xdcc [ 47.007749][ T6838] sp : ffff8000a06276c0 [ 47.008317][ T6838] x29: ffff8000a06278a0 x28: ffff0000d5d43010 x27: 1fffe0001aba8644 [ 47.009504][ T6838] x26: ffff8000a0627b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.010677][ T6838] x23: ffff0000d5d43220 x22: ffff0000d5d431f8 x21: 00000000ffffffea [ 47.011836][ T6838] x20: dfff800000000000 x19: ffff8000a06279b0 x18: 0000000000000000 [ 47.012925][ T6838] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.014102][ T6838] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.015244][ T6838] x11: ffff0000d3929ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.016403][ T6838] x8 : ffff0000d3929ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 47.017576][ T6838] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.018754][ T6838] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.019926][ T6838] Call trace: [ 47.020373][ T6838] iopt_map_pages+0xd7c/0xdcc (P) [ 47.021149][ T6838] iopt_map_common+0x204/0x420 [ 47.021806][ T6838] iopt_map_user_pages+0xb4/0xd8 [ 47.022605][ T6838] iommufd_ioas_map+0x2d4/0x3d0 [ 47.023388][ T6838] iommufd_fops_ioctl+0x424/0x54c [ 47.024112][ T6838] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.024911][ T6838] invoke_syscall+0x98/0x254 [ 47.025660][ T6838] el0_svc_common+0xe8/0x23c [ 47.026330][ T6838] do_el0_svc+0x48/0x58 [ 47.026950][ T6838] el0_svc+0x5c/0x254 [ 47.027522][ T6838] el0t_64_sync_handler+0x84/0x12c [ 47.028252][ T6838] el0t_64_sync+0x198/0x19c [ 47.028917][ T6838] irq event stamp: 1256 [ 47.029555][ T6838] hardirqs last enabled at (1255): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.030951][ T6838] hardirqs last disabled at (1256): [] el1_brk64+0x20/0x54 [ 47.032227][ T6838] softirqs last enabled at (1222): [] local_bh_enable+0x10/0x34 [ 47.033607][ T6838] softirqs last disabled at (1220): [] local_bh_disable+0x10/0x34 [ 47.035142][ T6838] ---[ end trace 0000000000000000 ]--- [ 47.044185][ T6839] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.045772][ T6839] ------------[ cut here ]------------ [ 47.045784][ T6839] WARNING: CPU: 0 PID: 6839 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.048277][ T6839] Modules linked in: [ 47.048829][ T6839] CPU: 0 UID: 0 PID: 6839 Comm: syz.0.117 Tainted: G W syzkaller #0 PREEMPT [ 47.050388][ T6839] Tainted: [W]=WARN [ 47.051008][ T6839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.052506][ T6839] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.053640][ T6839] pc : iopt_map_pages+0xd7c/0xdcc [ 47.054371][ T6839] lr : iopt_map_pages+0xd7c/0xdcc [ 47.055186][ T6839] sp : ffff80009eca76c0 [ 47.055844][ T6839] x29: ffff80009eca78a0 x28: ffff0000c871c810 x27: 1fffe000190e3944 [ 47.057041][ T6839] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.058289][ T6839] x23: ffff0000c871ca20 x22: ffff0000c871c9f8 x21: 00000000ffffffea [ 47.059517][ T6839] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 47.060643][ T6839] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.061884][ T6839] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.063133][ T6839] x11: ffff0000d73dbd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.064298][ T6839] x8 : ffff0000d73dbd80 x7 : 0000000000000000 x6 : 000000000000003f [ 47.064563][ T6618] Bluetooth: hci0: command tx timeout [ 47.066213][ T6839] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.067384][ T6839] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.068562][ T6839] Call trace: [ 47.069052][ T6839] iopt_map_pages+0xd7c/0xdcc (P) [ 47.069775][ T6839] iopt_map_common+0x204/0x420 [ 47.070527][ T6839] iopt_map_user_pages+0xb4/0xd8 [ 47.071273][ T6839] iommufd_ioas_map+0x2d4/0x3d0 [ 47.071995][ T6839] iommufd_fops_ioctl+0x424/0x54c [ 47.072726][ T6839] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.073483][ T6839] invoke_syscall+0x98/0x254 [ 47.074267][ T6839] el0_svc_common+0xe8/0x23c [ 47.075018][ T6839] do_el0_svc+0x48/0x58 [ 47.075704][ T6839] el0_svc+0x5c/0x254 [ 47.076314][ T6839] el0t_64_sync_handler+0x84/0x12c [ 47.077052][ T6839] el0t_64_sync+0x198/0x19c [ 47.077757][ T6839] irq event stamp: 1518 [ 47.078384][ T6839] hardirqs last enabled at (1517): [] ___slab_alloc+0x808/0x127c [ 47.079823][ T6839] hardirqs last disabled at (1518): [] el1_brk64+0x20/0x54 [ 47.081088][ T6839] softirqs last enabled at (1440): [] handle_softirqs+0xaf8/0xc88 [ 47.082530][ T6839] softirqs last disabled at (775): [] __do_softirq+0x14/0x20 [ 47.083777][ T6839] ---[ end trace 0000000000000000 ]--- [ 47.092971][ T6840] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.095237][ T6840] ------------[ cut here ]------------ [ 47.095247][ T6840] WARNING: CPU: 0 PID: 6840 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.097669][ T6840] Modules linked in: [ 47.098179][ T6840] CPU: 0 UID: 0 PID: 6840 Comm: syz.0.118 Tainted: G W syzkaller #0 PREEMPT [ 47.099668][ T6840] Tainted: [W]=WARN [ 47.100155][ T6840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.101680][ T6840] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.102874][ T6840] pc : iopt_map_pages+0xd7c/0xdcc [ 47.103639][ T6840] lr : iopt_map_pages+0xd7c/0xdcc [ 47.104369][ T6840] sp : ffff8000a06276c0 [ 47.104984][ T6840] x29: ffff8000a06278a0 x28: ffff0000d5d44010 x27: 1fffe0001aba8844 [ 47.106147][ T6840] x26: ffff8000a0627b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.107310][ T6840] x23: ffff0000d5d44220 x22: ffff0000d5d441f8 x21: 00000000ffffffea [ 47.108602][ T6840] x20: dfff800000000000 x19: ffff8000a06279b0 x18: 0000000000000000 [ 47.109798][ T6840] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.110875][ T6840] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.112027][ T6840] x11: ffff0000c2ccdc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.113266][ T6840] x8 : ffff0000c2ccdc40 x7 : 0000000000000000 x6 : 000000000000003f [ 47.114444][ T6840] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.115614][ T6840] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.116782][ T6840] Call trace: [ 47.117272][ T6840] iopt_map_pages+0xd7c/0xdcc (P) [ 47.117989][ T6840] iopt_map_common+0x204/0x420 [ 47.118613][ T6840] iopt_map_user_pages+0xb4/0xd8 [ 47.119325][ T6840] iommufd_ioas_map+0x2d4/0x3d0 [ 47.120011][ T6840] iommufd_fops_ioctl+0x424/0x54c [ 47.120894][ T6840] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.121690][ T6840] invoke_syscall+0x98/0x254 [ 47.122356][ T6840] el0_svc_common+0xe8/0x23c [ 47.123000][ T6840] do_el0_svc+0x48/0x58 [ 47.123556][ T6840] el0_svc+0x5c/0x254 [ 47.124185][ T6840] el0t_64_sync_handler+0x84/0x12c [ 47.124983][ T6840] el0t_64_sync+0x198/0x19c [ 47.125595][ T6840] irq event stamp: 940 [ 47.126208][ T6840] hardirqs last enabled at (939): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.127615][ T6840] hardirqs last disabled at (940): [] el1_brk64+0x20/0x54 [ 47.128990][ T6840] softirqs last enabled at (906): [] local_bh_enable+0x10/0x34 [ 47.130275][ T6840] softirqs last disabled at (904): [] local_bh_disable+0x10/0x34 [ 47.131602][ T6840] ---[ end trace 0000000000000000 ]--- [ 47.140851][ T6841] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.142256][ T6841] ------------[ cut here ]------------ [ 47.142267][ T6841] WARNING: CPU: 0 PID: 6841 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.144631][ T6841] Modules linked in: [ 47.145223][ T6841] CPU: 0 UID: 0 PID: 6841 Comm: syz.0.119 Tainted: G W syzkaller #0 PREEMPT [ 47.146762][ T6841] Tainted: [W]=WARN [ 47.147401][ T6841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.148988][ T6841] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.150174][ T6841] pc : iopt_map_pages+0xd7c/0xdcc [ 47.150900][ T6841] lr : iopt_map_pages+0xd7c/0xdcc [ 47.151633][ T6841] sp : ffff8000a06276c0 [ 47.152232][ T6841] x29: ffff8000a06278a0 x28: ffff0000d5d45010 x27: 1fffe0001aba8a44 [ 47.153433][ T6841] x26: ffff8000a0627b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.154630][ T6841] x23: ffff0000d5d45220 x22: ffff0000d5d451f8 x21: 00000000ffffffea [ 47.155786][ T6841] x20: dfff800000000000 x19: ffff8000a06279b0 x18: 0000000000000000 [ 47.156946][ T6841] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.158090][ T6841] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.159306][ T6841] x11: ffff0000c2cc9ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.160458][ T6841] x8 : ffff0000c2cc9ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 47.161679][ T6841] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.162897][ T6841] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.164048][ T6841] Call trace: [ 47.164500][ T6841] iopt_map_pages+0xd7c/0xdcc (P) [ 47.165221][ T6841] iopt_map_common+0x204/0x420 [ 47.165915][ T6841] iopt_map_user_pages+0xb4/0xd8 [ 47.166624][ T6841] iommufd_ioas_map+0x2d4/0x3d0 [ 47.167286][ T6841] iommufd_fops_ioctl+0x424/0x54c [ 47.168017][ T6841] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.168704][ T6841] invoke_syscall+0x98/0x254 [ 47.169325][ T6841] el0_svc_common+0xe8/0x23c [ 47.170012][ T6841] do_el0_svc+0x48/0x58 [ 47.170605][ T6841] el0_svc+0x5c/0x254 [ 47.171181][ T6841] el0t_64_sync_handler+0x84/0x12c [ 47.171926][ T6841] el0t_64_sync+0x198/0x19c [ 47.172606][ T6841] irq event stamp: 1316 [ 47.173262][ T6841] hardirqs last enabled at (1315): [] ___slab_alloc+0x808/0x127c [ 47.174551][ T6841] hardirqs last disabled at (1316): [] el1_brk64+0x20/0x54 [ 47.175796][ T6841] softirqs last enabled at (1272): [] local_bh_enable+0x10/0x34 [ 47.177119][ T6841] softirqs last disabled at (1270): [] local_bh_disable+0x10/0x34 [ 47.178467][ T6841] ---[ end trace 0000000000000000 ]--- [ 47.188960][ T6842] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.190381][ T6842] ------------[ cut here ]------------ [ 47.190392][ T6842] WARNING: CPU: 0 PID: 6842 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.192879][ T6842] Modules linked in: [ 47.193451][ T6842] CPU: 0 UID: 0 PID: 6842 Comm: syz.0.120 Tainted: G W syzkaller #0 PREEMPT [ 47.194926][ T6842] Tainted: [W]=WARN [ 47.195469][ T6842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.196901][ T6842] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.198008][ T6842] pc : iopt_map_pages+0xd7c/0xdcc [ 47.198731][ T6842] lr : iopt_map_pages+0xd7c/0xdcc [ 47.199468][ T6842] sp : ffff80009eca76c0 [ 47.200064][ T6842] x29: ffff80009eca78a0 x28: ffff0000d5d46010 x27: 1fffe0001aba8c44 [ 47.201264][ T6842] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.202429][ T6842] x23: ffff0000d5d46220 x22: ffff0000d5d461f8 x21: 00000000ffffffea [ 47.203561][ T6842] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 47.204748][ T6842] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.205856][ T6842] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.207004][ T6842] x11: ffff0000c2cc8000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.208216][ T6842] x8 : ffff0000c2cc8000 x7 : 0000000000000000 x6 : 000000000000003f [ 47.209440][ T6842] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.210511][ T6842] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.211623][ T6842] Call trace: [ 47.212067][ T6842] iopt_map_pages+0xd7c/0xdcc (P) [ 47.212755][ T6842] iopt_map_common+0x204/0x420 [ 47.213429][ T6842] iopt_map_user_pages+0xb4/0xd8 [ 47.214172][ T6842] iommufd_ioas_map+0x2d4/0x3d0 [ 47.214872][ T6842] iommufd_fops_ioctl+0x424/0x54c [ 47.215523][ T6842] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.216207][ T6842] invoke_syscall+0x98/0x254 [ 47.216851][ T6842] el0_svc_common+0xe8/0x23c [ 47.217495][ T6842] do_el0_svc+0x48/0x58 [ 47.218114][ T6842] el0_svc+0x5c/0x254 [ 47.218676][ T6842] el0t_64_sync_handler+0x84/0x12c [ 47.219446][ T6842] el0t_64_sync+0x198/0x19c [ 47.220085][ T6842] irq event stamp: 860 [ 47.220693][ T6842] hardirqs last enabled at (859): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.222191][ T6842] hardirqs last disabled at (860): [] el1_brk64+0x20/0x54 [ 47.223442][ T6842] softirqs last enabled at (826): [] local_bh_enable+0x10/0x34 [ 47.224856][ T6842] softirqs last disabled at (824): [] local_bh_disable+0x10/0x34 [ 47.226159][ T6842] ---[ end trace 0000000000000000 ]--- [ 47.238769][ T6843] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.240331][ T6843] ------------[ cut here ]------------ [ 47.240342][ T6843] WARNING: CPU: 0 PID: 6843 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.242877][ T6843] Modules linked in: [ 47.243505][ T6843] CPU: 0 UID: 0 PID: 6843 Comm: syz.0.121 Tainted: G W syzkaller #0 PREEMPT [ 47.245116][ T6843] Tainted: [W]=WARN [ 47.245661][ T6843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.247178][ T6843] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.248436][ T6843] pc : iopt_map_pages+0xd7c/0xdcc [ 47.249276][ T6843] lr : iopt_map_pages+0xd7c/0xdcc [ 47.250024][ T6843] sp : ffff8000a07c76c0 [ 47.250641][ T6843] x29: ffff8000a07c78a0 x28: ffff0000d5d47010 x27: 1fffe0001aba8e44 [ 47.251851][ T6843] x26: ffff8000a07c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.253033][ T6843] x23: ffff0000d5d47220 x22: ffff0000d5d471f8 x21: 00000000ffffffea [ 47.254172][ T6843] x20: dfff800000000000 x19: ffff8000a07c79b0 x18: 0000000000000000 [ 47.255407][ T6843] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.256609][ T6843] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.257768][ T6843] x11: ffff0000cd248000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.258964][ T6843] x8 : ffff0000cd248000 x7 : 0000000000000000 x6 : 000000000000003f [ 47.260185][ T6843] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.261370][ T6843] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.262529][ T6843] Call trace: [ 47.262999][ T6843] iopt_map_pages+0xd7c/0xdcc (P) [ 47.263768][ T6843] iopt_map_common+0x204/0x420 [ 47.264476][ T6843] iopt_map_user_pages+0xb4/0xd8 [ 47.265198][ T6843] iommufd_ioas_map+0x2d4/0x3d0 [ 47.265934][ T6843] iommufd_fops_ioctl+0x424/0x54c [ 47.266705][ T6843] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.267423][ T6843] invoke_syscall+0x98/0x254 [ 47.268019][ T6843] el0_svc_common+0xe8/0x23c [ 47.268732][ T6843] do_el0_svc+0x48/0x58 [ 47.269293][ T6843] el0_svc+0x5c/0x254 [ 47.269899][ T6843] el0t_64_sync_handler+0x84/0x12c [ 47.270617][ T6843] el0t_64_sync+0x198/0x19c [ 47.271254][ T6843] irq event stamp: 814 [ 47.271805][ T6843] hardirqs last enabled at (813): [] ___slab_alloc+0x808/0x127c [ 47.273229][ T6843] hardirqs last disabled at (814): [] el1_brk64+0x20/0x54 [ 47.274497][ T6843] softirqs last enabled at (770): [] local_bh_enable+0x10/0x34 [ 47.275794][ T6843] softirqs last disabled at (768): [] local_bh_disable+0x10/0x34 [ 47.277165][ T6843] ---[ end trace 0000000000000000 ]--- [ 47.286302][ T6844] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.287607][ T6844] ------------[ cut here ]------------ [ 47.287618][ T6844] WARNING: CPU: 0 PID: 6844 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.290131][ T6844] Modules linked in: [ 47.290797][ T6844] CPU: 0 UID: 0 PID: 6844 Comm: syz.0.122 Tainted: G W syzkaller #0 PREEMPT [ 47.292305][ T6844] Tainted: [W]=WARN [ 47.292924][ T6844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.294470][ T6844] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.295703][ T6844] pc : iopt_map_pages+0xd7c/0xdcc [ 47.296441][ T6844] lr : iopt_map_pages+0xd7c/0xdcc [ 47.297200][ T6844] sp : ffff8000a07c76c0 [ 47.297833][ T6844] x29: ffff8000a07c78a0 x28: ffff0000d5bd0010 x27: 1fffe0001ab7a044 [ 47.299081][ T6844] x26: ffff8000a07c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.300304][ T6844] x23: ffff0000d5bd0220 x22: ffff0000d5bd01f8 x21: 00000000ffffffea [ 47.301511][ T6844] x20: dfff800000000000 x19: ffff8000a07c79b0 x18: 0000000000000000 [ 47.302700][ T6844] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.303818][ T6844] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.305020][ T6844] x11: ffff0000cd249ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.306181][ T6844] x8 : ffff0000cd249ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 47.307352][ T6844] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.308552][ T6844] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.309854][ T6844] Call trace: [ 47.310390][ T6844] iopt_map_pages+0xd7c/0xdcc (P) [ 47.311114][ T6844] iopt_map_common+0x204/0x420 [ 47.311803][ T6844] iopt_map_user_pages+0xb4/0xd8 [ 47.312533][ T6844] iommufd_ioas_map+0x2d4/0x3d0 [ 47.313293][ T6844] iommufd_fops_ioctl+0x424/0x54c [ 47.314010][ T6844] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.314726][ T6844] invoke_syscall+0x98/0x254 [ 47.315459][ T6844] el0_svc_common+0xe8/0x23c [ 47.316142][ T6844] do_el0_svc+0x48/0x58 [ 47.316786][ T6844] el0_svc+0x5c/0x254 [ 47.317347][ T6844] el0t_64_sync_handler+0x84/0x12c [ 47.318112][ T6844] el0t_64_sync+0x198/0x19c [ 47.318836][ T6844] irq event stamp: 1430 [ 47.319446][ T6844] hardirqs last enabled at (1429): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.320933][ T6844] hardirqs last disabled at (1430): [] el1_brk64+0x20/0x54 [ 47.322142][ T6844] softirqs last enabled at (1396): [] local_bh_enable+0x10/0x34 [ 47.323443][ T6844] softirqs last disabled at (1394): [] local_bh_disable+0x10/0x34 [ 47.324775][ T6844] ---[ end trace 0000000000000000 ]--- [ 47.333828][ T6845] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.335769][ T6845] ------------[ cut here ]------------ [ 47.335781][ T6845] WARNING: CPU: 0 PID: 6845 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.338280][ T6845] Modules linked in: [ 47.338871][ T6845] CPU: 0 UID: 0 PID: 6845 Comm: syz.0.123 Tainted: G W syzkaller #0 PREEMPT [ 47.340423][ T6845] Tainted: [W]=WARN [ 47.341092][ T6845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.342540][ T6845] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.343847][ T6845] pc : iopt_map_pages+0xd7c/0xdcc [ 47.344584][ T6845] lr : iopt_map_pages+0xd7c/0xdcc [ 47.345280][ T6845] sp : ffff8000a07c76c0 [ 47.345817][ T6845] x29: ffff8000a07c78a0 x28: ffff0000d5bd1010 x27: 1fffe0001ab7a244 [ 47.346936][ T6845] x26: ffff8000a07c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.348185][ T6845] x23: ffff0000d5bd1220 x22: ffff0000d5bd11f8 x21: 00000000ffffffea [ 47.349374][ T6845] x20: dfff800000000000 x19: ffff8000a07c79b0 x18: 0000000000000000 [ 47.350529][ T6845] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.351657][ T6845] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.352768][ T6845] x11: ffff0000c5b09ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.353942][ T6845] x8 : ffff0000c5b09ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 47.355066][ T6845] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.356193][ T6845] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.357372][ T6845] Call trace: [ 47.357874][ T6845] iopt_map_pages+0xd7c/0xdcc (P) [ 47.358622][ T6845] iopt_map_common+0x204/0x420 [ 47.359297][ T6845] iopt_map_user_pages+0xb4/0xd8 [ 47.360026][ T6845] iommufd_ioas_map+0x2d4/0x3d0 [ 47.360806][ T6845] iommufd_fops_ioctl+0x424/0x54c [ 47.361561][ T6845] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.362268][ T6845] invoke_syscall+0x98/0x254 [ 47.362947][ T6845] el0_svc_common+0xe8/0x23c [ 47.363600][ T6845] do_el0_svc+0x48/0x58 [ 47.364235][ T6845] el0_svc+0x5c/0x254 [ 47.364847][ T6845] el0t_64_sync_handler+0x84/0x12c [ 47.365575][ T6845] el0t_64_sync+0x198/0x19c [ 47.366258][ T6845] irq event stamp: 1702 [ 47.366863][ T6845] hardirqs last enabled at (1701): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.368215][ T6845] hardirqs last disabled at (1702): [] el1_brk64+0x20/0x54 [ 47.369418][ T6845] softirqs last enabled at (1668): [] local_bh_enable+0x10/0x34 [ 47.370801][ T6845] softirqs last disabled at (1666): [] local_bh_disable+0x10/0x34 [ 47.372239][ T6845] ---[ end trace 0000000000000000 ]--- [ 47.380233][ T6846] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.381503][ T6846] ------------[ cut here ]------------ [ 47.381513][ T6846] WARNING: CPU: 0 PID: 6846 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.384069][ T6846] Modules linked in: [ 47.384690][ T6846] CPU: 0 UID: 0 PID: 6846 Comm: syz.0.124 Tainted: G W syzkaller #0 PREEMPT [ 47.386241][ T6846] Tainted: [W]=WARN [ 47.386755][ T6846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.388254][ T6846] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.389394][ T6846] pc : iopt_map_pages+0xd7c/0xdcc [ 47.390119][ T6846] lr : iopt_map_pages+0xd7c/0xdcc [ 47.390862][ T6846] sp : ffff8000a07c76c0 [ 47.391463][ T6846] x29: ffff8000a07c78a0 x28: ffff0000d5bd2010 x27: 1fffe0001ab7a444 [ 47.392793][ T6846] x26: ffff8000a07c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.393988][ T6846] x23: ffff0000d5bd2220 x22: ffff0000d5bd21f8 x21: 00000000ffffffea [ 47.395191][ T6846] x20: dfff800000000000 x19: ffff8000a07c79b0 x18: 0000000000000000 [ 47.396323][ T6846] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.397554][ T6846] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.398739][ T6846] x11: ffff0000c5b0bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.399918][ T6846] x8 : ffff0000c5b0bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 47.401142][ T6846] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.402272][ T6846] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.403418][ T6846] Call trace: [ 47.403898][ T6846] iopt_map_pages+0xd7c/0xdcc (P) [ 47.404590][ T6846] iopt_map_common+0x204/0x420 [ 47.405353][ T6846] iopt_map_user_pages+0xb4/0xd8 [ 47.406082][ T6846] iommufd_ioas_map+0x2d4/0x3d0 [ 47.406847][ T6846] iommufd_fops_ioctl+0x424/0x54c [ 47.407544][ T6846] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.408220][ T6846] invoke_syscall+0x98/0x254 [ 47.408904][ T6846] el0_svc_common+0xe8/0x23c [ 47.409546][ T6846] do_el0_svc+0x48/0x58 [ 47.410180][ T6846] el0_svc+0x5c/0x254 [ 47.410729][ T6846] el0t_64_sync_handler+0x84/0x12c [ 47.411513][ T6846] el0t_64_sync+0x198/0x19c [ 47.412211][ T6846] irq event stamp: 822 [ 47.412799][ T6846] hardirqs last enabled at (821): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.414211][ T6846] hardirqs last disabled at (822): [] el1_brk64+0x20/0x54 [ 47.415543][ T6846] softirqs last enabled at (788): [] local_bh_enable+0x10/0x34 [ 47.416900][ T6846] softirqs last disabled at (786): [] local_bh_disable+0x10/0x34 [ 47.418285][ T6846] ---[ end trace 0000000000000000 ]--- [ 47.428310][ T6847] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.429641][ T6847] ------------[ cut here ]------------ [ 47.429653][ T6847] WARNING: CPU: 0 PID: 6847 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.432156][ T6847] Modules linked in: [ 47.432690][ T6847] CPU: 0 UID: 0 PID: 6847 Comm: syz.0.125 Tainted: G W syzkaller #0 PREEMPT [ 47.434206][ T6847] Tainted: [W]=WARN [ 47.434761][ T6847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.436412][ T6847] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.437553][ T6847] pc : iopt_map_pages+0xd7c/0xdcc [ 47.438314][ T6847] lr : iopt_map_pages+0xd7c/0xdcc [ 47.439124][ T6847] sp : ffff8000a06176c0 [ 47.439792][ T6847] x29: ffff8000a06178a0 x28: ffff0000d5bd3010 x27: 1fffe0001ab7a644 [ 47.440989][ T6847] x26: ffff8000a0617b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.442201][ T6847] x23: ffff0000d5bd3220 x22: ffff0000d5bd31f8 x21: 00000000ffffffea [ 47.443457][ T6847] x20: dfff800000000000 x19: ffff8000a06179b0 x18: 0000000000000000 [ 47.444719][ T6847] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.445924][ T6847] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.447080][ T6847] x11: ffff0000c5b0dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.448278][ T6847] x8 : ffff0000c5b0dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 47.449446][ T6847] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.450590][ T6847] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.451751][ T6847] Call trace: [ 47.452221][ T6847] iopt_map_pages+0xd7c/0xdcc (P) [ 47.452917][ T6847] iopt_map_common+0x204/0x420 [ 47.453652][ T6847] iopt_map_user_pages+0xb4/0xd8 [ 47.454385][ T6847] iommufd_ioas_map+0x2d4/0x3d0 [ 47.455064][ T6847] iommufd_fops_ioctl+0x424/0x54c [ 47.455802][ T6847] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.456549][ T6847] invoke_syscall+0x98/0x254 [ 47.457252][ T6847] el0_svc_common+0xe8/0x23c [ 47.457887][ T6847] do_el0_svc+0x48/0x58 [ 47.458465][ T6847] el0_svc+0x5c/0x254 [ 47.458993][ T6847] el0t_64_sync_handler+0x84/0x12c [ 47.459707][ T6847] el0t_64_sync+0x198/0x19c [ 47.460380][ T6847] irq event stamp: 858 [ 47.460952][ T6847] hardirqs last enabled at (857): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.462450][ T6847] hardirqs last disabled at (858): [] el1_brk64+0x20/0x54 [ 47.463693][ T6847] softirqs last enabled at (824): [] local_bh_enable+0x10/0x34 [ 47.464944][ T6847] softirqs last disabled at (822): [] local_bh_disable+0x10/0x34 [ 47.466263][ T6847] ---[ end trace 0000000000000000 ]--- [ 47.476016][ T6848] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.477359][ T6848] ------------[ cut here ]------------ [ 47.477370][ T6848] WARNING: CPU: 0 PID: 6848 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.479840][ T6848] Modules linked in: [ 47.480436][ T6848] CPU: 0 UID: 0 PID: 6848 Comm: syz.0.126 Tainted: G W syzkaller #0 PREEMPT [ 47.481983][ T6848] Tainted: [W]=WARN [ 47.482510][ T6848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.484011][ T6848] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.485191][ T6848] pc : iopt_map_pages+0xd7c/0xdcc [ 47.485943][ T6848] lr : iopt_map_pages+0xd7c/0xdcc [ 47.486712][ T6848] sp : ffff8000a06176c0 [ 47.487305][ T6848] x29: ffff8000a06178a0 x28: ffff0000d5bd4010 x27: 1fffe0001ab7a844 [ 47.488512][ T6848] x26: ffff8000a0617b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.489737][ T6848] x23: ffff0000d5bd4220 x22: ffff0000d5bd41f8 x21: 00000000ffffffea [ 47.490982][ T6848] x20: dfff800000000000 x19: ffff8000a06179b0 x18: 0000000000000000 [ 47.492221][ T6848] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.493423][ T6848] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.494585][ T6848] x11: ffff0000c4a51ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.495768][ T6848] x8 : ffff0000c4a51ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 47.496926][ T6848] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.498096][ T6848] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.499340][ T6848] Call trace: [ 47.499818][ T6848] iopt_map_pages+0xd7c/0xdcc (P) [ 47.500550][ T6848] iopt_map_common+0x204/0x420 [ 47.501327][ T6848] iopt_map_user_pages+0xb4/0xd8 [ 47.502062][ T6848] iommufd_ioas_map+0x2d4/0x3d0 [ 47.502824][ T6848] iommufd_fops_ioctl+0x424/0x54c [ 47.503633][ T6848] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.504329][ T6848] invoke_syscall+0x98/0x254 [ 47.504973][ T6848] el0_svc_common+0xe8/0x23c [ 47.505628][ T6848] do_el0_svc+0x48/0x58 [ 47.506276][ T6848] el0_svc+0x5c/0x254 [ 47.506877][ T6848] el0t_64_sync_handler+0x84/0x12c [ 47.507633][ T6848] el0t_64_sync+0x198/0x19c [ 47.508280][ T6848] irq event stamp: 1586 [ 47.508891][ T6848] hardirqs last enabled at (1585): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.510324][ T6848] hardirqs last disabled at (1586): [] el1_brk64+0x20/0x54 [ 47.511624][ T6848] softirqs last enabled at (1552): [] local_bh_enable+0x10/0x34 [ 47.513056][ T6848] softirqs last disabled at (1550): [] local_bh_disable+0x10/0x34 [ 47.514339][ T6848] ---[ end trace 0000000000000000 ]--- [ 47.523212][ T6849] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.525104][ T6849] ------------[ cut here ]------------ [ 47.525114][ T6849] WARNING: CPU: 0 PID: 6849 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.527408][ T6849] Modules linked in: [ 47.527968][ T6849] CPU: 0 UID: 0 PID: 6849 Comm: syz.0.127 Tainted: G W syzkaller #0 PREEMPT [ 47.529798][ T6849] Tainted: [W]=WARN [ 47.530416][ T6849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.532095][ T6849] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.533291][ T6849] pc : iopt_map_pages+0xd7c/0xdcc [ 47.534036][ T6849] lr : iopt_map_pages+0xd7c/0xdcc [ 47.534796][ T6849] sp : ffff8000a06176c0 [ 47.535432][ T6849] x29: ffff8000a06178a0 x28: ffff0000d5bd5010 x27: 1fffe0001ab7aa44 [ 47.536637][ T6849] x26: ffff8000a0617b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.537847][ T6849] x23: ffff0000d5bd5220 x22: ffff0000d5bd51f8 x21: 00000000ffffffea [ 47.539086][ T6849] x20: dfff800000000000 x19: ffff8000a06179b0 x18: 0000000000000000 [ 47.540267][ T6849] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.541504][ T6849] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.542814][ T6849] x11: ffff0000cbab9ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.544000][ T6849] x8 : ffff0000cbab9ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 47.545210][ T6849] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.546407][ T6849] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.547611][ T6849] Call trace: [ 47.548089][ T6849] iopt_map_pages+0xd7c/0xdcc (P) [ 47.548830][ T6849] iopt_map_common+0x204/0x420 [ 47.549473][ T6849] iopt_map_user_pages+0xb4/0xd8 [ 47.550181][ T6849] iommufd_ioas_map+0x2d4/0x3d0 [ 47.550910][ T6849] iommufd_fops_ioctl+0x424/0x54c [ 47.551595][ T6849] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.552399][ T6849] invoke_syscall+0x98/0x254 [ 47.553111][ T6849] el0_svc_common+0xe8/0x23c [ 47.553778][ T6849] do_el0_svc+0x48/0x58 [ 47.554376][ T6849] el0_svc+0x5c/0x254 [ 47.554942][ T6849] el0t_64_sync_handler+0x84/0x12c [ 47.555679][ T6849] el0t_64_sync+0x198/0x19c [ 47.556326][ T6849] irq event stamp: 1088 [ 47.556945][ T6849] hardirqs last enabled at (1087): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.558483][ T6849] hardirqs last disabled at (1088): [] el1_brk64+0x20/0x54 [ 47.559808][ T6849] softirqs last enabled at (1050): [] local_bh_enable+0x10/0x34 [ 47.561283][ T6849] softirqs last disabled at (1048): [] local_bh_disable+0x10/0x34 [ 47.562694][ T6849] ---[ end trace 0000000000000000 ]--- [ 47.574638][ T6850] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.575015][ T6850] ------------[ cut here ]------------ [ 47.575023][ T6850] WARNING: CPU: 0 PID: 6850 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.578532][ T6850] Modules linked in: [ 47.579117][ T6850] CPU: 0 UID: 0 PID: 6850 Comm: syz.0.128 Tainted: G W syzkaller #0 PREEMPT [ 47.580664][ T6850] Tainted: [W]=WARN [ 47.581216][ T6850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.582706][ T6850] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.583819][ T6850] pc : iopt_map_pages+0xd7c/0xdcc [ 47.584553][ T6850] lr : iopt_map_pages+0xd7c/0xdcc [ 47.585346][ T6850] sp : ffff8000a06176c0 [ 47.586056][ T6850] x29: ffff8000a06178a0 x28: ffff0000d5bd6010 x27: 1fffe0001ab7ac44 [ 47.587400][ T6850] x26: ffff8000a0617b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.588607][ T6850] x23: ffff0000d5bd6220 x22: ffff0000d5bd61f8 x21: 00000000ffffffea [ 47.589958][ T6850] x20: dfff800000000000 x19: ffff8000a06179b0 x18: 0000000000000000 [ 47.591186][ T6850] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.592456][ T6850] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.593706][ T6850] x11: ffff0000cbabbd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.594893][ T6850] x8 : ffff0000cbabbd80 x7 : 0000000000000000 x6 : 000000000000003f [ 47.596207][ T6850] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.597393][ T6850] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.598644][ T6850] Call trace: [ 47.599102][ T6850] iopt_map_pages+0xd7c/0xdcc (P) [ 47.599835][ T6850] iopt_map_common+0x204/0x420 [ 47.600563][ T6850] iopt_map_user_pages+0xb4/0xd8 [ 47.601284][ T6850] iommufd_ioas_map+0x2d4/0x3d0 [ 47.602043][ T6850] iommufd_fops_ioctl+0x424/0x54c [ 47.602857][ T6850] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.603612][ T6850] invoke_syscall+0x98/0x254 [ 47.604317][ T6850] el0_svc_common+0xe8/0x23c [ 47.605045][ T6850] do_el0_svc+0x48/0x58 [ 47.605649][ T6850] el0_svc+0x5c/0x254 [ 47.606264][ T6850] el0t_64_sync_handler+0x84/0x12c [ 47.607000][ T6850] el0t_64_sync+0x198/0x19c [ 47.607684][ T6850] irq event stamp: 880 [ 47.608304][ T6850] hardirqs last enabled at (879): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.609785][ T6850] hardirqs last disabled at (880): [] el1_brk64+0x20/0x54 [ 47.611108][ T6850] softirqs last enabled at (838): [] local_bh_enable+0x10/0x34 [ 47.612280][ T6850] softirqs last disabled at (836): [] local_bh_disable+0x10/0x34 [ 47.613633][ T6850] ---[ end trace 0000000000000000 ]--- [ 47.624530][ T6851] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.626217][ T6851] ------------[ cut here ]------------ [ 47.626226][ T6851] WARNING: CPU: 0 PID: 6851 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.628538][ T6851] Modules linked in: [ 47.629158][ T6851] CPU: 0 UID: 0 PID: 6851 Comm: syz.0.129 Tainted: G W syzkaller #0 PREEMPT [ 47.630610][ T6851] Tainted: [W]=WARN [ 47.631096][ T6851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.632610][ T6851] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.633705][ T6851] pc : iopt_map_pages+0xd7c/0xdcc [ 47.634417][ T6851] lr : iopt_map_pages+0xd7c/0xdcc [ 47.635253][ T6851] sp : ffff8000a02076c0 [ 47.635845][ T6851] x29: ffff8000a02078a0 x28: ffff0000d5bd7010 x27: 1fffe0001ab7ae44 [ 47.637028][ T6851] x26: ffff8000a0207b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.638236][ T6851] x23: ffff0000d5bd7220 x22: ffff0000d5bd71f8 x21: 00000000ffffffea [ 47.639601][ T6851] x20: dfff800000000000 x19: ffff8000a02079b0 x18: 0000000000000000 [ 47.640855][ T6851] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.642093][ T6851] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.643270][ T6851] x11: ffff0000cbabdc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.644514][ T6851] x8 : ffff0000cbabdc40 x7 : 0000000000000000 x6 : 000000000000003f [ 47.645731][ T6851] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.646869][ T6851] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.648023][ T6851] Call trace: [ 47.648505][ T6851] iopt_map_pages+0xd7c/0xdcc (P) [ 47.649229][ T6851] iopt_map_common+0x204/0x420 [ 47.649929][ T6851] iopt_map_user_pages+0xb4/0xd8 [ 47.650617][ T6851] iommufd_ioas_map+0x2d4/0x3d0 [ 47.651383][ T6851] iommufd_fops_ioctl+0x424/0x54c [ 47.652174][ T6851] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.652921][ T6851] invoke_syscall+0x98/0x254 [ 47.653618][ T6851] el0_svc_common+0xe8/0x23c [ 47.654272][ T6851] do_el0_svc+0x48/0x58 [ 47.654884][ T6851] el0_svc+0x5c/0x254 [ 47.655435][ T6851] el0t_64_sync_handler+0x84/0x12c [ 47.656131][ T6851] el0t_64_sync+0x198/0x19c [ 47.656759][ T6851] irq event stamp: 996 [ 47.657373][ T6851] hardirqs last enabled at (995): [] ___slab_alloc+0x808/0x127c [ 47.658702][ T6851] hardirqs last disabled at (996): [] el1_brk64+0x20/0x54 [ 47.660016][ T6851] softirqs last enabled at (958): [] local_bh_enable+0x10/0x34 [ 47.661362][ T6851] softirqs last disabled at (956): [] local_bh_disable+0x10/0x34 [ 47.662719][ T6851] ---[ end trace 0000000000000000 ]--- [ 47.672548][ T6852] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.674197][ T6852] ------------[ cut here ]------------ [ 47.674206][ T6852] WARNING: CPU: 0 PID: 6852 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.676504][ T6852] Modules linked in: [ 47.677062][ T6852] CPU: 0 UID: 0 PID: 6852 Comm: syz.0.130 Tainted: G W syzkaller #0 PREEMPT [ 47.678592][ T6852] Tainted: [W]=WARN [ 47.679115][ T6852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.680620][ T6852] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.681789][ T6852] pc : iopt_map_pages+0xd7c/0xdcc [ 47.682494][ T6852] lr : iopt_map_pages+0xd7c/0xdcc [ 47.683213][ T6852] sp : ffff8000a02076c0 [ 47.683967][ T6852] x29: ffff8000a02078a0 x28: ffff0000d8fa3810 x27: 1fffe0001b1f4744 [ 47.685270][ T6852] x26: ffff8000a0207b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.686451][ T6852] x23: ffff0000d8fa3a20 x22: ffff0000d8fa39f8 x21: 00000000ffffffea [ 47.687680][ T6852] x20: dfff800000000000 x19: ffff8000a02079b0 x18: 0000000000000000 [ 47.689002][ T6852] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.690232][ T6852] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.691381][ T6852] x11: ffff0000d8a1dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.692547][ T6852] x8 : ffff0000d8a1dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 47.693849][ T6852] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.695041][ T6852] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.696221][ T6852] Call trace: [ 47.696674][ T6852] iopt_map_pages+0xd7c/0xdcc (P) [ 47.697432][ T6852] iopt_map_common+0x204/0x420 [ 47.698250][ T6852] iopt_map_user_pages+0xb4/0xd8 [ 47.699009][ T6852] iommufd_ioas_map+0x2d4/0x3d0 [ 47.699770][ T6852] iommufd_fops_ioctl+0x424/0x54c [ 47.700454][ T6852] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.701210][ T6852] invoke_syscall+0x98/0x254 [ 47.701914][ T6852] el0_svc_common+0xe8/0x23c [ 47.702564][ T6852] do_el0_svc+0x48/0x58 [ 47.703162][ T6852] el0_svc+0x5c/0x254 [ 47.703753][ T6852] el0t_64_sync_handler+0x84/0x12c [ 47.704504][ T6852] el0t_64_sync+0x198/0x19c [ 47.705144][ T6852] irq event stamp: 882 [ 47.705728][ T6852] hardirqs last enabled at (881): [] ___slab_alloc+0x808/0x127c [ 47.707096][ T6852] hardirqs last disabled at (882): [] el1_brk64+0x20/0x54 [ 47.708404][ T6852] softirqs last enabled at (842): [] local_bh_enable+0x10/0x34 [ 47.709799][ T6852] softirqs last disabled at (840): [] local_bh_disable+0x10/0x34 [ 47.711090][ T6852] ---[ end trace 0000000000000000 ]--- [ 47.721998][ T685 ** replaying previous printk message ** [ 47.721998][ T6853] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.722319][ T6853] ------------[ cut here ]------------ [ 47.722324][ T6853] WARNING: CPU: 1 PID: 6853 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.726466][ T6853] Modules linked in: [ 47.727061][ T6853] CPU: 1 UID: 0 PID: 6853 Comm: syz.0.131 Tainted: G W syzkaller #0 PREEMPT [ 47.728617][ T6853] Tainted: [W]=WARN [ 47.729160][ T6853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.730581][ T6853] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.731704][ T6853] pc : iopt_map_pages+0xd7c/0xdcc [ 47.732471][ T6853] lr : iopt_map_pages+0xd7c/0xdcc [ 47.733217][ T6853] sp : ffff8000a02076c0 [ 47.733852][ T6853] x29: ffff8000a02078a0 x28: ffff0000cd43d010 x27: 1fffe00019a87a44 [ 47.735115][ T6853] x26: ffff8000a0207b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.736380][ T6853] x23: ffff0000cd43d220 x22: ffff0000cd43d1f8 x21: 00000000ffffffea [ 47.737573][ T6853] x20: dfff800000000000 x19: ffff8000a02079b0 x18: 0000000000000000 [ 47.738936][ T6853] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.740176][ T6853] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.741393][ T6853] x11: ffff0000d8a1bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.742630][ T6853] x8 : ffff0000d8a1bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 47.743781][ T6853] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.744951][ T6853] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.746163][ T6853] Call trace: [ 47.746643][ T6853] iopt_map_pages+0xd7c/0xdcc (P) [ 47.747400][ T6853] iopt_map_common+0x204/0x420 [ 47.748074][ T6853] iopt_map_user_pages+0xb4/0xd8 [ 47.748782][ T6853] iommufd_ioas_map+0x2d4/0x3d0 [ 47.749533][ T6853] iommufd_fops_ioctl+0x424/0x54c [ 47.750269][ T6853] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.751007][ T6853] invoke_syscall+0x98/0x254 [ 47.751738][ T6853] el0_svc_common+0xe8/0x23c [ 47.752418][ T6853] do_el0_svc+0x48/0x58 [ 47.753004][ T6853] el0_svc+0x5c/0x254 [ 47.753616][ T6853] el0t_64_sync_handler+0x84/0x12c [ 47.754436][ T6853] el0t_64_sync+0x198/0x19c [ 47.755117][ T6853] irq event stamp: 824 [ 47.755756][ T6853] hardirqs last enabled at (823): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.757261][ T6853] hardirqs last disabled at (824): [] el1_brk64+0x20/0x54 [ 47.758634][ T6853] softirqs last enabled at (134): [] local_bh_enable+0x10/0x34 [ 47.760013][ T6853] softirqs last disabled at (132): [] local_bh_disable+0x10/0x34 [ 47.761470][ T6853] ---[ end trace 0000000000000000 ]--- [ 47.771920][ T6854] iommuf ** replaying previous printk message ** [ 47.771920][ T6854] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.772351][ T6854] ------------[ cut here ]------------ [ 47.772355][ T6854] WARNING: CPU: 1 PID: 6854 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.776716][ T6854] Modules linked in: [ 47.777400][ T6854] CPU: 1 UID: 0 PID: 6854 Comm: syz.0.132 Tainted: G W syzkaller #0 PREEMPT [ 47.778997][ T6854] Tainted: [W]=WARN [ 47.779564][ T6854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.781133][ T6854] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.782308][ T6854] pc : iopt_map_pages+0xd7c/0xdcc [ 47.783107][ T6854] lr : iopt_map_pages+0xd7c/0xdcc [ 47.783880][ T6854] sp : ffff80009de076c0 [ 47.784499][ T6854] x29: ffff80009de078a0 x28: ffff0000cd43c010 x27: 1fffe00019a87844 [ 47.785688][ T6854] x26: ffff80009de07b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.786887][ T6854] x23: ffff0000cd43c220 x22: ffff0000cd43c1f8 x21: 00000000ffffffea [ 47.788135][ T6854] x20: dfff800000000000 x19: ffff80009de079b0 x18: 0000000000000000 [ 47.789335][ T6854] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.790591][ T6854] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.791749][ T6854] x11: ffff0000d8a19ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.792920][ T6854] x8 : ffff0000d8a19ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 47.794025][ T6854] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.795309][ T6854] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.796550][ T6854] Call trace: [ 47.797049][ T6854] iopt_map_pages+0xd7c/0xdcc (P) [ 47.797812][ T6854] iopt_map_common+0x204/0x420 [ 47.798557][ T6854] iopt_map_user_pages+0xb4/0xd8 [ 47.799264][ T6854] iommufd_ioas_map+0x2d4/0x3d0 [ 47.799970][ T6854] iommufd_fops_ioctl+0x424/0x54c [ 47.800745][ T6854] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.801455][ T6854] invoke_syscall+0x98/0x254 [ 47.802204][ T6854] el0_svc_common+0xe8/0x23c [ 47.802973][ T6854] do_el0_svc+0x48/0x58 [ 47.803641][ T6854] el0_svc+0x5c/0x254 [ 47.804245][ T6854] el0t_64_sync_handler+0x84/0x12c [ 47.805070][ T6854] el0t_64_sync+0x198/0x19c [ 47.805791][ T6854] irq event stamp: 876 [ 47.806452][ T6854] hardirqs last enabled at (875): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.807999][ T6854] hardirqs last disabled at (876): [] el1_brk64+0x20/0x54 [ 47.809371][ T6854] softirqs last enabled at (792): [] local_bh_enable+0x10/0x34 [ 47.810828][ T6854] softirqs last disabled at (790): [] local_bh_disable+0x10/0x34 [ 47.812440][ T6854] ---[ end trace 0000000000000000 ]--- [ 47.821595][ T6855] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.823604][ T6855] ------------[ cut here ]------------ [ 47.823613][ T6855] WARNING: CPU: 0 PID: 6855 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.826103][ T6855] Modules linked in: [ 47.826713][ T6855] CPU: 0 UID: 0 PID: 6855 Comm: syz.0.133 Tainted: G W syzkaller #0 PREEMPT [ 47.828170][ T6855] Tainted: [W]=WARN [ 47.828718][ T6855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.830145][ T6855] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.831309][ T6855] pc : iopt_map_pages+0xd7c/0xdcc [ 47.832094][ T6855] lr : iopt_map_pages+0xd7c/0xdcc [ 47.832873][ T6855] sp : ffff8000a06276c0 [ 47.833450][ T6855] x29: ffff8000a06278a0 x28: ffff0000d5cf0010 x27: 1fffe0001ab9e044 [ 47.834656][ T6855] x26: ffff8000a0627b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.835730][ T6855] x23: ffff0000d5cf0220 x22: ffff0000d5cf01f8 x21: 00000000ffffffea [ 47.836961][ T6855] x20: dfff800000000000 x19: ffff8000a06279b0 x18: 0000000000000000 [ 47.838096][ T6855] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.839282][ T6855] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.840443][ T6855] x11: ffff0000cb220000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.841579][ T6855] x8 : ffff0000cb220000 x7 : 0000000000000000 x6 : 000000000000003f [ 47.842717][ T6855] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.843918][ T6855] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.845052][ T6855] Call trace: [ 47.845520][ T6855] iopt_map_pages+0xd7c/0xdcc (P) [ 47.846242][ T6855] iopt_map_common+0x204/0x420 [ 47.846908][ T6855] iopt_map_user_pages+0xb4/0xd8 [ 47.847621][ T6855] iommufd_ioas_map+0x2d4/0x3d0 [ 47.848260][ T6855] iommufd_fops_ioctl+0x424/0x54c [ 47.848919][ T6855] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.849627][ T6855] invoke_syscall+0x98/0x254 [ 47.850240][ T6855] el0_svc_common+0xe8/0x23c [ 47.850832][ T6855] do_el0_svc+0x48/0x58 [ 47.851397][ T6855] el0_svc+0x5c/0x254 [ 47.851986][ T6855] el0t_64_sync_handler+0x84/0x12c [ 47.852719][ T6855] el0t_64_sync+0x198/0x19c [ 47.853345][ T6855] irq event stamp: 874 [ 47.853929][ T6855] hardirqs last enabled at (873): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.855284][ T6855] hardirqs last disabled at (874): [] el1_brk64+0x20/0x54 [ 47.856538][ T6855] softirqs last enabled at (840): [] local_bh_enable+0x10/0x34 [ 47.857900][ T6855] softirqs last disabled at (838): [] local_bh_disable+0x10/0x34 [ 47.859343][ T6855] ---[ end trace 0000000000000000 ]--- [ 47.867883][ T6856] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.869321][ T6856] ------------[ cut here ]------------ [ 47.869332][ T6856] WARNING: CPU: 0 PID: 6856 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.871781][ T6856] Modules linked in: [ 47.872352][ T6856] CPU: 0 UID: 0 PID: 6856 Comm: syz.0.134 Tainted: G W syzkaller #0 PREEMPT [ 47.873801][ T6856] Tainted: [W]=WARN [ 47.874310][ T6856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.875793][ T6856] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.876896][ T6856] pc : iopt_map_pages+0xd7c/0xdcc [ 47.877632][ T6856] lr : iopt_map_pages+0xd7c/0xdcc [ 47.878347][ T6856] sp : ffff8000a06276c0 [ 47.878947][ T6856] x29: ffff8000a06278a0 x28: ffff0000cd43a810 x27: 1fffe00019a87544 [ 47.880179][ T6856] x26: ffff8000a0627b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.881373][ T6856] x23: ffff0000cd43aa20 x22: ffff0000cd43a9f8 x21: 00000000ffffffea [ 47.882504][ T6856] x20: dfff800000000000 x19: ffff8000a06279b0 x18: 0000000000000000 [ 47.883731][ T6856] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.884937][ T6856] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.886200][ T6856] x11: ffff0000d8055c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.887408][ T6856] x8 : ffff0000d8055c40 x7 : 0000000000000000 x6 : 000000000000003f [ 47.888669][ T6856] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.889835][ T6856] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.891066][ T6856] Call trace: [ 47.891546][ T6856] iopt_map_pages+0xd7c/0xdcc (P) [ 47.892349][ T6856] iopt_map_common+0x204/0x420 [ 47.893053][ T6856] iopt_map_user_pages+0xb4/0xd8 [ 47.893740][ T6856] iommufd_ioas_map+0x2d4/0x3d0 [ 47.894424][ T6856] iommufd_fops_ioctl+0x424/0x54c [ 47.895140][ T6856] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.895887][ T6856] invoke_syscall+0x98/0x254 [ 47.896576][ T6856] el0_svc_common+0xe8/0x23c [ 47.897230][ T6856] do_el0_svc+0x48/0x58 [ 47.897787][ T6856] el0_svc+0x5c/0x254 [ 47.898346][ T6856] el0t_64_sync_handler+0x84/0x12c [ 47.899041][ T6856] el0t_64_sync+0x198/0x19c [ 47.899671][ T6856] irq event stamp: 850 [ 47.900263][ T6856] hardirqs last enabled at (849): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.901658][ T6856] hardirqs last disabled at (850): [] el1_brk64+0x20/0x54 [ 47.902863][ T6856] softirqs last enabled at (812): [] local_bh_enable+0x10/0x34 [ 47.904108][ T6856] softirqs last disabled at (810): [] local_bh_disable+0x10/0x34 [ 47.905414][ T6856] ---[ end trace 0000000000000000 ]--- [ 47.916267][ T6857] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.917687][ T6857] ------------[ cut here ]------------ [ 47.917699][ T6857] WARNING: CPU: 0 PID: 6857 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.920063][ T6857] Modules linked in: [ 47.920656][ T6857] CPU: 0 UID: 0 PID: 6857 Comm: syz.0.135 Tainted: G W syzkaller #0 PREEMPT [ 47.922100][ T6857] Tainted: [W]=WARN [ 47.922607][ T6857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.924005][ T6857] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.925223][ T6857] pc : iopt_map_pages+0xd7c/0xdcc [ 47.925920][ T6857] lr : iopt_map_pages+0xd7c/0xdcc [ 47.926713][ T6857] sp : ffff8000a06276c0 [ 47.927317][ T6857] x29: ffff8000a06278a0 x28: ffff0000cd438810 x27: 1fffe00019a87144 [ 47.928470][ T6857] x26: ffff8000a0627b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.929733][ T6857] x23: ffff0000cd438a20 x22: ffff0000cd4389f8 x21: 00000000ffffffea [ 47.930967][ T6857] x20: dfff800000000000 x19: ffff8000a06279b0 x18: 0000000000000000 [ 47.932172][ T6857] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.933357][ T6857] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.934517][ T6857] x11: ffff0000d8051ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.935630][ T6857] x8 : ffff0000d8051ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 47.936808][ T6857] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.938011][ T6857] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.939289][ T6857] Call trace: [ 47.939735][ T6857] iopt_map_pages+0xd7c/0xdcc (P) [ 47.940476][ T6857] iopt_map_common+0x204/0x420 [ 47.941166][ T6857] iopt_map_user_pages+0xb4/0xd8 [ 47.942045][ T6857] iommufd_ioas_map+0x2d4/0x3d0 [ 47.942845][ T6857] iommufd_fops_ioctl+0x424/0x54c [ 47.943621][ T6857] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.944393][ T6857] invoke_syscall+0x98/0x254 [ 47.945112][ T6857] el0_svc_common+0xe8/0x23c [ 47.945881][ T6857] do_el0_svc+0x48/0x58 [ 47.946573][ T6857] el0_svc+0x5c/0x254 [ 47.947224][ T6857] el0t_64_sync_handler+0x84/0x12c [ 47.948013][ T6857] el0t_64_sync+0x198/0x19c [ 47.948678][ T6857] irq event stamp: 1912 [ 47.949307][ T6857] hardirqs last enabled at (1911): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.950751][ T6857] hardirqs last disabled at (1912): [] el1_brk64+0x20/0x54 [ 47.952032][ T6857] softirqs last enabled at (1878): [] local_bh_enable+0x10/0x34 [ 47.953320][ T6857] softirqs last disabled at (1876): [] local_bh_disable+0x10/0x34 [ 47.954602][ T6857] ---[ end trace 0000000000000000 ]--- [ 47.965115][ T6858] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 47.966630][ T6858] ------------[ cut here ]------------ [ 47.966641][ T6858] WARNING: CPU: 0 PID: 6858 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 47.968889][ T6858] Modules linked in: [ 47.969632][ T6858] CPU: 0 UID: 0 PID: 6858 Comm: syz.0.136 Tainted: G W syzkaller #0 PREEMPT [ 47.971232][ T6858] Tainted: [W]=WARN [ 47.971757][ T6858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.973239][ T6858] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.974428][ T6858] pc : iopt_map_pages+0xd7c/0xdcc [ 47.975224][ T6858] lr : iopt_map_pages+0xd7c/0xdcc [ 47.975955][ T6858] sp : ffff8000a06276c0 [ 47.976541][ T6858] x29: ffff8000a06278a0 x28: ffff0000cd438010 x27: 1fffe00019a87044 [ 47.977839][ T6858] x26: ffff8000a0627b00 x25: 0000000000002fff x24: 0000000000003000 [ 47.979087][ T6858] x23: ffff0000cd438220 x22: ffff0000cd4381f8 x21: 00000000ffffffea [ 47.980415][ T6858] x20: dfff800000000000 x19: ffff8000a06279b0 x18: 0000000000000000 [ 47.981765][ T6858] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 47.982899][ T6858] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 47.984080][ T6858] x11: ffff0000d8050000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 47.985305][ T6858] x8 : ffff0000d8050000 x7 : 0000000000000000 x6 : 000000000000003f [ 47.986492][ T6858] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 47.987709][ T6858] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 47.988950][ T6858] Call trace: [ 47.989452][ T6858] iopt_map_pages+0xd7c/0xdcc (P) [ 47.990184][ T6858] iopt_map_common+0x204/0x420 [ 47.990882][ T6858] iopt_map_user_pages+0xb4/0xd8 [ 47.991631][ T6858] iommufd_ioas_map+0x2d4/0x3d0 [ 47.992344][ T6858] iommufd_fops_ioctl+0x424/0x54c [ 47.993058][ T6858] __arm64_sys_ioctl+0x14c/0x1c4 [ 47.993762][ T6858] invoke_syscall+0x98/0x254 [ 47.994471][ T6858] el0_svc_common+0xe8/0x23c [ 47.995164][ T6858] do_el0_svc+0x48/0x58 [ 47.995809][ T6858] el0_svc+0x5c/0x254 [ 47.996424][ T6858] el0t_64_sync_handler+0x84/0x12c [ 47.997141][ T6858] el0t_64_sync+0x198/0x19c [ 47.997805][ T6858] irq event stamp: 1008 [ 47.998432][ T6858] hardirqs last enabled at (1007): [] kasan_quarantine_put+0x1a0/0x1c8 [ 47.999892][ T6858] hardirqs last disabled at (1008): [] el1_brk64+0x20/0x54 [ 48.001315][ T6858] softirqs last enabled at (968): [] local_bh_enable+0x10/0x34 [ 48.002804][ T6858] softirqs last disabled at (966): [] local_bh_disable+0x10/0x34 [ 48.004216][ T6858] ---[ end trace 0000000000000000 ]--- [ 48.013664][ T6859] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.015804][ T6859] ------------[ cut here ]------------ [ 48.015813][ T6859] WARNING: CPU: 1 PID: 6859 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.018331][ T6859] Modules linked in: [ 48.018944][ T6859] CPU: 1 UID: 0 PID: 6859 Comm: syz.0.137 Tainted: G W syzkaller #0 PREEMPT [ 48.020525][ T6859] Tainted: [W]=WARN [ 48.021039][ T6859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.022497][ T6859] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.023653][ T6859] pc : iopt_map_pages+0xd7c/0xdcc [ 48.024410][ T6859] lr : iopt_map_pages+0xd7c/0xdcc [ 48.025274][ T6859] sp : ffff8000a06276c0 [ 48.025884][ T6859] x29: ffff8000a06278a0 x28: ffff0000c8364810 x27: 1fffe0001906c944 [ 48.027104][ T6859] x26: ffff8000a0627b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.028302][ T6859] x23: ffff0000c8364a20 x22: ffff0000c83649f8 x21: 00000000ffffffea [ 48.029575][ T6859] x20: dfff800000000000 x19: ffff8000a06279b0 x18: 0000000000000000 [ 48.030803][ T6859] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.032000][ T6859] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.033227][ T6859] x11: ffff0000cd44bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.034430][ T6859] x8 : ffff0000cd44bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 48.035658][ T6859] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.036848][ T6859] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.038078][ T6859] Call trace: [ 48.038544][ T6859] iopt_map_pages+0xd7c/0xdcc (P) [ 48.039283][ T6859] iopt_map_common+0x204/0x420 [ 48.039993][ T6859] iopt_map_user_pages+0xb4/0xd8 [ 48.040723][ T6859] iommufd_ioas_map+0x2d4/0x3d0 [ 48.041407][ T6859] iommufd_fops_ioctl+0x424/0x54c [ 48.042131][ T6859] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.042827][ T6859] invoke_syscall+0x98/0x254 [ 48.043448][ T6859] el0_svc_common+0xe8/0x23c [ 48.044144][ T6859] do_el0_svc+0x48/0x58 [ 48.044794][ T6859] el0_svc+0x5c/0x254 [ 48.045469][ T6859] el0t_64_sync_handler+0x84/0x12c [ 48.046193][ T6859] el0t_64_sync+0x198/0x19c [ 48.046827][ T6859] irq event stamp: 1376 [ 48.047448][ T6859] hardirqs last enabled at (1375): [] ___slab_alloc+0x808/0x127c [ 48.048838][ T6859] hardirqs last disabled at (1376): [] el1_brk64+0x20/0x54 [ 48.050214][ T6859] softirqs last enabled at (134): [] local_bh_enable+0x10/0x34 [ 48.051507][ T6859] softirqs last disabled at (132): [] local_bh_disable+0x10/0x34 [ 48.052771][ T6859] ---[ end trace 0000000000000000 ]--- [ 48.062242][ T6860] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.063681][ T6860] ------------[ cut here ]------------ [ 48.063693][ T6860] WARNING: CPU: 0 PID: 6860 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.066330][ T6860] Modules linked in: [ 48.066919][ T6860] CPU: 0 UID: 0 PID: 6860 Comm: syz.0.138 Tainted: G W syzkaller #0 PREEMPT [ 48.068497][ T6860] Tainted: [W]=WARN [ 48.069094][ T6860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.070567][ T6860] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.071807][ T6860] pc : iopt_map_pages+0xd7c/0xdcc [ 48.072496][ T6860] lr : iopt_map_pages+0xd7c/0xdcc [ 48.073282][ T6860] sp : ffff80009d9776c0 [ 48.073922][ T6860] x29: ffff80009d9778a0 x28: ffff0000c8367010 x27: 1fffe0001906ce44 [ 48.075049][ T6860] x26: ffff80009d977b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.076215][ T6860] x23: ffff0000c8367220 x22: ffff0000c83671f8 x21: 00000000ffffffea [ 48.077405][ T6860] x20: dfff800000000000 x19: ffff80009d9779b0 x18: 0000000000000000 [ 48.078570][ T6860] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.079767][ T6860] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.081012][ T6860] x11: ffff0000d03f3d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.082245][ T6860] x8 : ffff0000d03f3d80 x7 : 0000000000000000 x6 : 000000000000003f [ 48.083450][ T6860] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.084610][ T6860] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.085881][ T6860] Call trace: [ 48.086385][ T6860] iopt_map_pages+0xd7c/0xdcc (P) [ 48.087097][ T6860] iopt_map_common+0x204/0x420 [ 48.087829][ T6860] iopt_map_user_pages+0xb4/0xd8 [ 48.088556][ T6860] iommufd_ioas_map+0x2d4/0x3d0 [ 48.089329][ T6860] iommufd_fops_ioctl+0x424/0x54c [ 48.090078][ T6860] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.090852][ T6860] invoke_syscall+0x98/0x254 [ 48.091543][ T6860] el0_svc_common+0xe8/0x23c [ 48.092222][ T6860] do_el0_svc+0x48/0x58 [ 48.092804][ T6860] el0_svc+0x5c/0x254 [ 48.093487][ T6860] el0t_64_sync_handler+0x84/0x12c [ 48.094252][ T6860] el0t_64_sync+0x198/0x19c [ 48.094957][ T6860] irq event stamp: 872 [ 48.095548][ T6860] hardirqs last enabled at (871): [] ___slab_alloc+0x808/0x127c [ 48.096853][ T6860] hardirqs last disabled at (872): [] el1_brk64+0x20/0x54 [ 48.098157][ T6860] softirqs last enabled at (828): [] local_bh_enable+0x10/0x34 [ 48.099593][ T6860] softirqs last disabled at (826): [] local_bh_disable+0x10/0x34 [ 48.100982][ T6860] ---[ end trace 0000000000000000 ]--- [ 48.109009][ T6861] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.111202][ T6861] ------------[ cut here ]------------ [ 48.111211][ T6861] WARNING: CPU: 1 PID: 6861 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.113653][ T6861] Modules linked in: [ 48.114254][ T6861] CPU: 1 UID: 0 PID: 6861 Comm: syz.0.139 Tainted: G W syzkaller #0 PREEMPT [ 48.115817][ T6861] Tainted: [W]=WARN [ 48.116337][ T6861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.117848][ T6861] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.119119][ T6861] pc : iopt_map_pages+0xd7c/0xdcc [ 48.119888][ T6861] lr : iopt_map_pages+0xd7c/0xdcc [ 48.120815][ T6861] sp : ffff80009d9676c0 [ 48.121456][ T6861] x29: ffff80009d9678a0 x28: ffff0000c8363810 x27: 1fffe0001906c744 [ 48.122824][ T6861] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.124163][ T6861] x23: ffff0000c8363a20 x22: ffff0000c83639f8 x21: 00000000ffffffea [ 48.125427][ T6861] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 48.126700][ T6861] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.127996][ T6861] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.129234][ T6861] x11: ffff0000d03f5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.130440][ T6861] x8 : ffff0000d03f5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 48.131685][ T6861] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.132810][ T6861] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.134002][ T6861] Call trace: [ 48.134463][ T6861] iopt_map_pages+0xd7c/0xdcc (P) [ 48.135277][ T6861] iopt_map_common+0x204/0x420 [ 48.135940][ T6861] iopt_map_user_pages+0xb4/0xd8 [ 48.136720][ T6861] iommufd_ioas_map+0x2d4/0x3d0 [ 48.137363][ T6861] iommufd_fops_ioctl+0x424/0x54c [ 48.138102][ T6861] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.138842][ T6861] invoke_syscall+0x98/0x254 [ 48.139490][ T6861] el0_svc_common+0xe8/0x23c [ 48.140172][ T6861] do_el0_svc+0x48/0x58 [ 48.140743][ T6861] el0_svc+0x5c/0x254 [ 48.141401][ T6861] el0t_64_sync_handler+0x84/0x12c [ 48.142186][ T6861] el0t_64_sync+0x198/0x19c [ 48.142836][ T6861] irq event stamp: 882 [ 48.143493][ T6861] hardirqs last enabled at (881): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.144946][ T6861] hardirqs last disabled at (882): [] el1_brk64+0x20/0x54 [ 48.146177][ T6861] softirqs last enabled at (848): [] local_bh_enable+0x10/0x34 [ 48.147525][ T6861] softirqs last disabled at (846): [] local_bh_disable+0x10/0x34 [ 48.148898][ T6861] ---[ end trace 0000000000000000 ]--- [ 48.157864][ T6862] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.159201][ T6862] ------------[ cut here ]------------ [ 48.159212][ T6862] WARNING: CPU: 1 PID: 6862 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.161675][ T6862] Modules linked in: [ 48.162275][ T6862] CPU: 1 UID: 0 PID: 6862 Comm: syz.0.140 Tainted: G W syzkaller #0 PREEMPT [ 48.163647][ T6862] Tainted: [W]=WARN [ 48.164178][ T6862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.165752][ T6862] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.166987][ T6862] pc : iopt_map_pages+0xd7c/0xdcc [ 48.167788][ T6862] lr : iopt_map_pages+0xd7c/0xdcc [ 48.168563][ T6862] sp : ffff8000a02076c0 [ 48.169184][ T6862] x29: ffff8000a02078a0 x28: ffff0000d5cf5810 x27: 1fffe0001ab9eb44 [ 48.170412][ T6862] x26: ffff8000a0207b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.171580][ T6862] x23: ffff0000d5cf5a20 x22: ffff0000d5cf59f8 x21: 00000000ffffffea [ 48.172743][ T6862] x20: dfff800000000000 x19: ffff8000a02079b0 x18: 0000000000000000 [ 48.173996][ T6862] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.175179][ T6862] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.176312][ T6862] x11: ffff0000cb225c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.177567][ T6862] x8 : ffff0000cb225c40 x7 : 0000000000000000 x6 : 000000000000003f [ 48.178875][ T6862] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.180152][ T6862] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.181337][ T6862] Call trace: [ 48.181817][ T6862] iopt_map_pages+0xd7c/0xdcc (P) [ 48.182589][ T6862] iopt_map_common+0x204/0x420 [ 48.183259][ T6862] iopt_map_user_pages+0xb4/0xd8 [ 48.183902][ T6862] iommufd_ioas_map+0x2d4/0x3d0 [ 48.184638][ T6862] iommufd_fops_ioctl+0x424/0x54c [ 48.185437][ T6862] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.186203][ T6862] invoke_syscall+0x98/0x254 [ 48.186915][ T6862] el0_svc_common+0xe8/0x23c [ 48.187625][ T6862] do_el0_svc+0x48/0x58 [ 48.188287][ T6862] el0_svc+0x5c/0x254 [ 48.188940][ T6862] el0t_64_sync_handler+0x84/0x12c [ 48.189733][ T6862] el0t_64_sync+0x198/0x19c [ 48.190432][ T6862] irq event stamp: 858 [ 48.191043][ T6862] hardirqs last enabled at (857): [] ___slab_alloc+0x808/0x127c [ 48.192440][ T6862] hardirqs last disabled at (858): [] el1_brk64+0x20/0x54 [ 48.193822][ T6862] softirqs last enabled at (814): [] local_bh_enable+0x10/0x34 [ 48.195246][ T6862] softirqs last disabled at (812): [] local_bh_disable+0x10/0x34 [ 48.196599][ T6862] ---[ end trace 0000000000000000 ]--- [ 48.207438][ ** replaying previous printk message ** [ 48.207438][ T6863] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.207773][ T6863] ------------[ cut here ]------------ [ 48.207778][ T6863] WARNING: CPU: 1 PID: 6863 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.211956][ T6863] Modules linked in: [ 48.212579][ T6863] CPU: 1 UID: 0 PID: 6863 Comm: syz.0.141 Tainted: G W syzkaller #0 PREEMPT [ 48.214137][ T6863] Tainted: [W]=WARN [ 48.214725][ T6863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.216404][ T6863] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.217657][ T6863] pc : iopt_map_pages+0xd7c/0xdcc [ 48.218422][ T6863] lr : iopt_map_pages+0xd7c/0xdcc [ 48.219151][ T6863] sp : ffff8000a02076c0 [ 48.219802][ T6863] x29: ffff8000a02078a0 x28: ffff0000c8366810 x27: 1fffe0001906cd44 [ 48.221086][ T6863] x26: ffff8000a0207b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.222217][ T6863] x23: ffff0000c8366a20 x22: ffff0000c83669f8 x21: 00000000ffffffea [ 48.223455][ T6863] x20: dfff800000000000 x19: ffff8000a02079b0 x18: 0000000000000000 [ 48.224669][ T6863] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.225943][ T6863] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.227171][ T6863] x11: ffff0000c916bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.228344][ T6863] x8 : ffff0000c916bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 48.229514][ T6863] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.230664][ T6863] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.231861][ T6863] Call trace: [ 48.232369][ T6863] iopt_map_pages+0xd7c/0xdcc (P) [ 48.233115][ T6863] iopt_map_common+0x204/0x420 [ 48.233848][ T6863] iopt_map_user_pages+0xb4/0xd8 [ 48.234527][ T6863] iommufd_ioas_map+0x2d4/0x3d0 [ 48.235211][ T6863] iommufd_fops_ioctl+0x424/0x54c [ 48.235974][ T6863] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.236719][ T6863] invoke_syscall+0x98/0x254 [ 48.237468][ T6863] el0_svc_common+0xe8/0x23c [ 48.238113][ T6863] do_el0_svc+0x48/0x58 [ 48.238797][ T6863] el0_svc+0x5c/0x254 [ 48.239352][ T6863] el0t_64_sync_handler+0x84/0x12c [ 48.240119][ T6863] el0t_64_sync+0x198/0x19c [ 48.240749][ T6863] irq event stamp: 858 [ 48.241323][ T6863] hardirqs last enabled at (857): [] _raw_spin_unlock_irqrestore+0x38/0x98 [ 48.242840][ T6863] hardirqs last disabled at (858): [] el1_brk64+0x20/0x54 [ 48.244070][ T6863] softirqs last enabled at (146): [] local_bh_enable+0x10/0x34 [ 48.245468][ T6863] softirqs last disabled at (144): [] local_bh_disable+0x10/0x34 [ 48.246749][ T6863] ---[ end trace 0000000000000000 ]--- [ 48.255583][ T6864] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.256910][ T6864] ------------[ cut here ]------------ [ 48.256924][ T6864] WARNING: CPU: 1 PID: 6864 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.259251][ T6864] Modules linked in: [ 48.259782][ T6864] CPU: 1 UID: 0 PID: 6864 Comm: syz.0.142 Tainted: G W syzkaller #0 PREEMPT [ 48.261191][ T6864] Tainted: [W]=WARN [ 48.261714][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.263103][ T6864] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.264170][ T6864] pc : iopt_map_pages+0xd7c/0xdcc [ 48.264925][ T6864] lr : iopt_map_pages+0xd7c/0xdcc [ 48.265621][ T6864] sp : ffff80009d9776c0 [ 48.266164][ T6864] x29: ffff80009d9778a0 x28: ffff0000d79d9010 x27: 1fffe0001af3b244 [ 48.267301][ T6864] x26: ffff80009d977b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.268476][ T6864] x23: ffff0000d79d9220 x22: ffff0000d79d91f8 x21: 00000000ffffffea [ 48.269777][ T6864] x20: dfff800000000000 x19: ffff80009d9779b0 x18: 0000000000000000 [ 48.271011][ T6864] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.272181][ T6864] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.273345][ T6864] x11: ffff0000cb7edc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.274495][ T6864] x8 : ffff0000cb7edc40 x7 : 0000000000000000 x6 : 000000000000003f [ 48.275684][ T6864] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.276886][ T6864] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.278170][ T6864] Call trace: [ 48.278635][ T6864] iopt_map_pages+0xd7c/0xdcc (P) [ 48.279478][ T6864] iopt_map_common+0x204/0x420 [ 48.280240][ T6864] iopt_map_user_pages+0xb4/0xd8 [ 48.281053][ T6864] iommufd_ioas_map+0x2d4/0x3d0 [ 48.281783][ T6864] iommufd_fops_ioctl+0x424/0x54c [ 48.282523][ T6864] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.283245][ T6864] invoke_syscall+0x98/0x254 [ 48.283923][ T6864] el0_svc_common+0xe8/0x23c [ 48.284653][ T6864] do_el0_svc+0x48/0x58 [ 48.285250][ T6864] el0_svc+0x5c/0x254 [ 48.285866][ T6864] el0t_64_sync_handler+0x84/0x12c [ 48.286574][ T6864] el0t_64_sync+0x198/0x19c [ 48.287196][ T6864] irq event stamp: 1020 [ 48.287802][ T6864] hardirqs last enabled at (1019): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.289267][ T6864] hardirqs last disabled at (1020): [] el1_brk64+0x20/0x54 [ 48.290593][ T6864] softirqs last enabled at (986): [] local_bh_enable+0x10/0x34 [ 48.291988][ T6864] softirqs last disabled at (984): [] local_bh_disable+0x10/0x34 [ 48.293526][ T6864] ---[ end trace 0000000000000000 ]--- [ 48.303297][ T6865] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.303628][ T6865] ------------[ cut here ]------------ [ 48.303635][ T6865] WARNING: CPU: 0 PID: 6865 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.306919][ T6865] Modules linked in: [ 48.307501][ T6865] CPU: 0 UID: 0 PID: 6865 Comm: syz.0.143 Tainted: G W syzkaller #0 PREEMPT [ 48.309040][ T6865] Tainted: [W]=WARN [ 48.309623][ T6865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.311114][ T6865] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.312262][ T6865] pc : iopt_map_pages+0xd7c/0xdcc [ 48.312879][ T6865] lr : iopt_map_pages+0xd7c/0xdcc [ 48.313540][ T6865] sp : ffff80009d9676c0 [ 48.314085][ T6865] x29: ffff80009d9678a0 x28: ffff0000d79da810 x27: 1fffe0001af3b544 [ 48.315260][ T6865] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.316444][ T6865] x23: ffff0000d79daa20 x22: ffff0000d79da9f8 x21: 00000000ffffffea [ 48.317568][ T6865] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 48.318702][ T6865] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.319875][ T6865] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.321077][ T6865] x11: ffff0000cb455c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.322135][ T6865] x8 : ffff0000cb455c40 x7 : 0000000000000000 x6 : 000000000000003f [ 48.323280][ T6865] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.324388][ T6865] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.325545][ T6865] Call trace: [ 48.326023][ T6865] iopt_map_pages+0xd7c/0xdcc (P) [ 48.326783][ T6865] iopt_map_common+0x204/0x420 [ 48.327483][ T6865] iopt_map_user_pages+0xb4/0xd8 [ 48.328226][ T6865] iommufd_ioas_map+0x2d4/0x3d0 [ 48.328873][ T6865] iommufd_fops_ioctl+0x424/0x54c [ 48.329630][ T6865] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.330339][ T6865] invoke_syscall+0x98/0x254 [ 48.331021][ T6865] el0_svc_common+0xe8/0x23c [ 48.331716][ T6865] do_el0_svc+0x48/0x58 [ 48.332325][ T6865] el0_svc+0x5c/0x254 [ 48.332938][ T6865] el0t_64_sync_handler+0x84/0x12c [ 48.333633][ T6865] el0t_64_sync+0x198/0x19c [ 48.334328][ T6865] irq event stamp: 1326 [ 48.334962][ T6865] hardirqs last enabled at (1325): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.336446][ T6865] hardirqs last disabled at (1326): [] el1_brk64+0x20/0x54 [ 48.337688][ T6865] softirqs last enabled at (140): [] local_bh_enable+0x10/0x34 [ 48.339017][ T6865] softirqs last disabled at (138): [] local_bh_disable+0x10/0x34 [ 48.340301][ T6865] ---[ end trace 0000000000000000 ]--- [ 48.349194][ T6866] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.350806][ T6866] ------------[ cut here ]------------ [ 48.350815][ T6866] WARNING: CPU: 1 PID: 6866 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.353089][ T6866] Modules linked in: [ 48.353624][ T6866] CPU: 1 UID: 0 PID: 6866 Comm: syz.0.144 Tainted: G W syzkaller #0 PREEMPT [ 48.355197][ T6866] Tainted: [W]=WARN [ 48.355744][ T6866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.357250][ T6866] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.358414][ T6866] pc : iopt_map_pages+0xd7c/0xdcc [ 48.359164][ T6866] lr : iopt_map_pages+0xd7c/0xdcc [ 48.359926][ T6866] sp : ffff80009d9676c0 [ 48.360509][ T6866] x29: ffff80009d9678a0 x28: ffff0000c8365810 x27: 1fffe0001906cb44 [ 48.361709][ T6866] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.362895][ T6866] x23: ffff0000c8365a20 x22: ffff0000c83659f8 x21: 00000000ffffffea [ 48.364086][ T6866] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 48.365267][ T6866] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.366388][ T6866] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.367506][ T6866] x11: ffff0000c9169ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.368686][ T6866] x8 : ffff0000c9169ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 48.370051][ T6866] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.371331][ T6866] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.372629][ T6866] Call trace: [ 48.373169][ T6866] iopt_map_pages+0xd7c/0xdcc (P) [ 48.373916][ T6866] iopt_map_common+0x204/0x420 [ 48.374695][ T6866] iopt_map_user_pages+0xb4/0xd8 [ 48.375420][ T6866] iommufd_ioas_map+0x2d4/0x3d0 [ 48.376216][ T6866] iommufd_fops_ioctl+0x424/0x54c [ 48.377004][ T6866] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.377738][ T6866] invoke_syscall+0x98/0x254 [ 48.378453][ T6866] el0_svc_common+0xe8/0x23c [ 48.379123][ T6866] do_el0_svc+0x48/0x58 [ 48.379787][ T6866] el0_svc+0x5c/0x254 [ 48.380381][ T6866] el0t_64_sync_handler+0x84/0x12c [ 48.381275][ T6866] el0t_64_sync+0x198/0x19c [ 48.382023][ T6866] irq event stamp: 862 [ 48.382631][ T6866] hardirqs last enabled at (861): [] ___slab_alloc+0x808/0x127c [ 48.384133][ T6866] hardirqs last disabled at (862): [] el1_brk64+0x20/0x54 [ 48.385537][ T6866] softirqs last enabled at (824): [] local_bh_enable+0x10/0x34 [ 48.387011][ T6866] softirqs last disabled at (822): [] local_bh_disable+0x10/0x34 [ 48.388426][ T6866] ---[ end trace 0000000000000000 ]--- [ 48.397902][ T6867] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.398258][ T6867] ------------[ cut here ]------------ [ 48.398266][ T6867] WARNING: CPU: 0 PID: 6867 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.401585][ T6867] Modules linked in: [ 48.402108][ T6867] CPU: 0 UID: 0 PID: 6867 Comm: syz.0.145 Tainted: G W syzkaller #0 PREEMPT [ 48.403639][ T6867] Tainted: [W]=WARN [ 48.404199][ T6867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.405746][ T6867] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.406840][ T6867] pc : iopt_map_pages+0xd7c/0xdcc [ 48.407550][ T6867] lr : iopt_map_pages+0xd7c/0xdcc [ 48.408279][ T6867] sp : ffff80009d9676c0 [ 48.408877][ T6867] x29: ffff80009d9678a0 x28: ffff0000d79d9810 x27: 1fffe0001af3b344 [ 48.409983][ T6867] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.411214][ T6867] x23: ffff0000d79d9a20 x22: ffff0000d79d99f8 x21: 00000000ffffffea [ 48.412362][ T6867] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 48.413504][ T6867] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.414724][ T6867] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.415884][ T6867] x11: ffff0000c9cc0000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.417036][ T6867] x8 : ffff0000c9cc0000 x7 : 0000000000000000 x6 : 000000000000003f [ 48.418171][ T6867] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.419359][ T6867] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.420496][ T6867] Call trace: [ 48.420959][ T6867] iopt_map_pages+0xd7c/0xdcc (P) [ 48.421715][ T6867] iopt_map_common+0x204/0x420 [ 48.422514][ T6867] iopt_map_user_pages+0xb4/0xd8 [ 48.423212][ T6867] iommufd_ioas_map+0x2d4/0x3d0 [ 48.423904][ T6867] iommufd_fops_ioctl+0x424/0x54c [ 48.424653][ T6867] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.425373][ T6867] invoke_syscall+0x98/0x254 [ 48.426064][ T6867] el0_svc_common+0xe8/0x23c [ 48.426710][ T6867] do_el0_svc+0x48/0x58 [ 48.427326][ T6867] el0_svc+0x5c/0x254 [ 48.427938][ T6867] el0t_64_sync_handler+0x84/0x12c [ 48.428700][ T6867] el0t_64_sync+0x198/0x19c [ 48.429360][ T6867] irq event stamp: 860 [ 48.429939][ T6867] hardirqs last enabled at (859): [] ___slab_alloc+0x808/0x127c [ 48.431329][ T6867] hardirqs last disabled at (860): [] el1_brk64+0x20/0x54 [ 48.432663][ T6867] softirqs last enabled at (140): [] local_bh_enable+0x10/0x34 [ 48.434036][ T6867] softirqs last disabled at (138): [] local_bh_disable+0x10/0x34 [ 48.435407][ T6867] ---[ end trace 0000000000000000 ]--- [ 48.445448][ T6868] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.446835][ T6868] ------------[ cut here ]------------ [ 48.446847][ T6868] WARNING: CPU: 0 PID: 6868 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.449146][ T6868] Modules linked in: [ 48.449729][ T6868] CPU: 0 UID: 0 PID: 6868 Comm: syz.0.146 Tainted: G W syzkaller #0 PREEMPT [ 48.451260][ T6868] Tainted: [W]=WARN [ 48.451840][ T6868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.453272][ T6868] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.454529][ T6868] pc : iopt_map_pages+0xd7c/0xdcc [ 48.455324][ T6868] lr : iopt_map_pages+0xd7c/0xdcc [ 48.456029][ T6868] sp : ffff80009d9676c0 [ 48.456647][ T6868] x29: ffff80009d9678a0 x28: ffff0000cbe9d010 x27: 1fffe000197d3a44 [ 48.457839][ T6868] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.459098][ T6868] x23: ffff0000cbe9d220 x22: ffff0000cbe9d1f8 x21: 00000000ffffffea [ 48.460211][ T6868] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 48.461341][ T6868] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.462563][ T6868] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.463766][ T6868] x11: ffff0000c9168000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.464902][ T6868] x8 : ffff0000c9168000 x7 : 0000000000000000 x6 : 000000000000003f [ 48.466092][ T6868] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.467326][ T6868] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.468458][ T6868] Call trace: [ 48.468961][ T6868] iopt_map_pages+0xd7c/0xdcc (P) [ 48.469660][ T6868] iopt_map_common+0x204/0x420 [ 48.470350][ T6868] iopt_map_user_pages+0xb4/0xd8 [ 48.471054][ T6868] iommufd_ioas_map+0x2d4/0x3d0 [ 48.471725][ T6868] iommufd_fops_ioctl+0x424/0x54c [ 48.472457][ T6868] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.473211][ T6868] invoke_syscall+0x98/0x254 [ 48.473909][ T6868] el0_svc_common+0xe8/0x23c [ 48.474570][ T6868] do_el0_svc+0x48/0x58 [ 48.475150][ T6868] el0_svc+0x5c/0x254 [ 48.475724][ T6868] el0t_64_sync_handler+0x84/0x12c [ 48.476461][ T6868] el0t_64_sync+0x198/0x19c [ 48.477083][ T6868] irq event stamp: 2026 [ 48.477755][ T6868] hardirqs last enabled at (2025): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.479141][ T6868] hardirqs last disabled at (2026): [] el1_brk64+0x20/0x54 [ 48.480400][ T6868] softirqs last enabled at (1986): [] local_bh_enable+0x10/0x34 [ 48.481723][ T6868] softirqs last disabled at (1984): [] local_bh_disable+0x10/0x34 [ 48.483068][ T6868] ---[ end trace 0000000000000000 ]--- [ 48.490597][ T6869] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.491996][ T6869] ------------[ cut here ]------------ [ 48.492007][ T6869] WARNING: CPU: 0 PID: 6869 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.494376][ T6869] Modules linked in: [ 48.494950][ T6869] CPU: 0 UID: 0 PID: 6869 Comm: syz.0.147 Tainted: G W syzkaller #0 PREEMPT [ 48.496336][ T6869] Tainted: [W]=WARN [ 48.496886][ T6869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.498362][ T6869] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.499506][ T6869] pc : iopt_map_pages+0xd7c/0xdcc [ 48.500210][ T6869] lr : iopt_map_pages+0xd7c/0xdcc [ 48.500910][ T6869] sp : ffff80009d9676c0 [ 48.501497][ T6869] x29: ffff80009d9678a0 x28: ffff0000cf99e810 x27: 1fffe00019f33d44 [ 48.502658][ T6869] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.503815][ T6869] x23: ffff0000cf99ea20 x22: ffff0000cf99e9f8 x21: 00000000ffffffea [ 48.505040][ T6869] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 48.506207][ T6869] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.507319][ T6869] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.508456][ T6869] x11: ffff0000d9659ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.509647][ T6869] x8 : ffff0000d9659ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 48.510785][ T6869] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.511905][ T6869] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.513032][ T6869] Call trace: [ 48.513509][ T6869] iopt_map_pages+0xd7c/0xdcc (P) [ 48.514217][ T6869] iopt_map_common+0x204/0x420 [ 48.514882][ T6869] iopt_map_user_pages+0xb4/0xd8 [ 48.515684][ T6869] iommufd_ioas_map+0x2d4/0x3d0 [ 48.516373][ T6869] iommufd_fops_ioctl+0x424/0x54c [ 48.517146][ T6869] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.517848][ T6869] invoke_syscall+0x98/0x254 [ 48.518495][ T6869] el0_svc_common+0xe8/0x23c [ 48.519146][ T6869] do_el0_svc+0x48/0x58 [ 48.519760][ T6869] el0_svc+0x5c/0x254 [ 48.520311][ T6869] el0t_64_sync_handler+0x84/0x12c [ 48.521080][ T6869] el0t_64_sync+0x198/0x19c [ 48.521730][ T6869] irq event stamp: 838 [ 48.522308][ T6869] hardirqs last enabled at (837): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.523663][ T6869] hardirqs last disabled at (838): [] el1_brk64+0x20/0x54 [ 48.524808][ T6869] softirqs last enabled at (804): [] local_bh_enable+0x10/0x34 [ 48.526087][ T6869] softirqs last disabled at (802): [] local_bh_disable+0x10/0x34 [ 48.527379][ T6869] ---[ end trace 0000000000000000 ]--- [ 48.537185][ T6870] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.538584][ T6870] ------------[ cut here ]------------ [ 48.538597][ T6870] WARNING: CPU: 0 PID: 6870 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.541094][ T6870] Modules linked in: [ 48.541674][ T6870] CPU: 0 UID: 0 PID: 6870 Comm: syz.0.148 Tainted: G W syzkaller #0 PREEMPT [ 48.543101][ T6870] Tainted: [W]=WARN [ 48.543637][ T6870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.545046][ T6870] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.546172][ T6870] pc : iopt_map_pages+0xd7c/0xdcc [ 48.546920][ T6870] lr : iopt_map_pages+0xd7c/0xdcc [ 48.547710][ T6870] sp : ffff80009d9676c0 [ 48.548305][ T6870] x29: ffff80009d9678a0 x28: ffff0000cdce8010 x27: 1fffe00019b9d044 [ 48.549486][ T6870] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.550617][ T6870] x23: ffff0000cdce8220 x22: ffff0000cdce81f8 x21: 00000000ffffffea [ 48.551856][ T6870] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 48.552958][ T6870] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.554107][ T6870] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.555279][ T6870] x11: ffff0000d9658000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.556378][ T6870] x8 : ffff0000d9658000 x7 : 0000000000000000 x6 : 000000000000003f [ 48.557497][ T6870] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.558659][ T6870] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.559862][ T6870] Call trace: [ 48.560330][ T6870] iopt_map_pages+0xd7c/0xdcc (P) [ 48.561051][ T6870] iopt_map_common+0x204/0x420 [ 48.561701][ T6870] iopt_map_user_pages+0xb4/0xd8 [ 48.562397][ T6870] iommufd_ioas_map+0x2d4/0x3d0 [ 48.563168][ T6870] iommufd_fops_ioctl+0x424/0x54c [ 48.564075][ T6870] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.564897][ T6870] invoke_syscall+0x98/0x254 [ 48.565622][ T6870] el0_svc_common+0xe8/0x23c [ 48.566416][ T6870] do_el0_svc+0x48/0x58 [ 48.567057][ T6870] el0_svc+0x5c/0x254 [ 48.567643][ T6870] el0t_64_sync_handler+0x84/0x12c [ 48.568422][ T6870] el0t_64_sync+0x198/0x19c [ 48.569079][ T6870] irq event stamp: 838 [ 48.569650][ T6870] hardirqs last enabled at (837): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.571089][ T6870] hardirqs last disabled at (838): [] el1_brk64+0x20/0x54 [ 48.572454][ T6870] softirqs last enabled at (804): [] local_bh_enable+0x10/0x34 [ 48.573822][ T6870] softirqs last disabled at (802): [] local_bh_disable+0x10/0x34 [ 48.575247][ T6870] ---[ end trace 0000000000000000 ]--- [ 48.584139][ T6871] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.586620][ T6871] ------------[ cut here ]------------ [ 48.586632][ T6871] WARNING: CPU: 1 PID: 6871 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.588955][ T6871] Modules linked in: [ 48.589524][ T6871] CPU: 1 UID: 0 PID: 6871 Comm: syz.0.149 Tainted: G W syzkaller #0 PREEMPT [ 48.591027][ T6871] Tainted: [W]=WARN [ 48.591579][ T6871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.593126][ T6871] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.594330][ T6871] pc : iopt_map_pages+0xd7c/0xdcc [ 48.595067][ T6871] lr : iopt_map_pages+0xd7c/0xdcc [ 48.595857][ T6871] sp : ffff80009d9676c0 [ 48.596426][ T6871] x29: ffff80009d9678a0 x28: ffff0000cdce9810 x27: 1fffe00019b9d344 [ 48.597640][ T6871] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.598870][ T6871] x23: ffff0000cdce9a20 x22: ffff0000cdce99f8 x21: 00000000ffffffea [ 48.600074][ T6871] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 48.601278][ T6871] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.602506][ T6871] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.603555][ T6871] x11: ffff0000cb7e9ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.604739][ T6871] x8 : ffff0000cb7e9ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 48.606036][ T6871] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.607401][ T6871] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.608722][ T6871] Call trace: [ 48.609240][ T6871] iopt_map_pages+0xd7c/0xdcc (P) [ 48.610016][ T6871] iopt_map_common+0x204/0x420 [ 48.610791][ T6871] iopt_map_user_pages+0xb4/0xd8 [ 48.611587][ T6871] iommufd_ioas_map+0x2d4/0x3d0 [ 48.612296][ T6871] iommufd_fops_ioctl+0x424/0x54c [ 48.613056][ T6871] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.613787][ T6871] invoke_syscall+0x98/0x254 [ 48.614441][ T6871] el0_svc_common+0xe8/0x23c [ 48.615105][ T6871] do_el0_svc+0x48/0x58 [ 48.615727][ T6871] el0_svc+0x5c/0x254 [ 48.616359][ T6871] el0t_64_sync_handler+0x84/0x12c [ 48.617145][ T6871] el0t_64_sync+0x198/0x19c [ 48.617835][ T6871] irq event stamp: 942 [ 48.618466][ T6871] hardirqs last enabled at (941): [] ___slab_alloc+0x808/0x127c [ 48.619835][ T6871] hardirqs last disabled at (942): [] el1_brk64+0x20/0x54 [ 48.621046][ T6871] softirqs last enabled at (854): [] local_bh_enable+0x10/0x34 [ 48.622419][ T6871] softirqs last disabled at (852): [] local_bh_disable+0x10/0x34 [ 48.623846][ T6871] ---[ end trace 0000000000000000 ]--- [ 48.632141][ T6872] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.633373][ T6872] ------------[ cut here ]------------ [ 48.633384][ T6872] WARNING: CPU: 0 PID: 6872 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.636021][ T6872] Modules linked in: [ 48.636617][ T6872] CPU: 0 UID: 0 PID: 6872 Comm: syz.0.150 Tainted: G W syzkaller #0 PREEMPT [ 48.638206][ T6872] Tainted: [W]=WARN [ 48.638815][ T6872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.640312][ T6872] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.641426][ T6872] pc : iopt_map_pages+0xd7c/0xdcc [ 48.642158][ T6872] lr : iopt_map_pages+0xd7c/0xdcc [ 48.642919][ T6872] sp : ffff80009d9576c0 [ 48.643494][ T6872] x29: ffff80009d9578a0 x28: ffff0000d3b97810 x27: 1fffe0001a772f44 [ 48.644632][ T6872] x26: ffff80009d957b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.645791][ T6872] x23: ffff0000d3b97a20 x22: ffff0000d3b979f8 x21: 00000000ffffffea [ 48.646878][ T6872] x20: dfff800000000000 x19: ffff80009d9579b0 x18: 0000000000000000 [ 48.647960][ T6872] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.649291][ T6872] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.650621][ T6872] x11: ffff0000c5ab3d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.651820][ T6872] x8 : ffff0000c5ab3d80 x7 : 0000000000000000 x6 : 000000000000003f [ 48.653010][ T6872] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.654247][ T6872] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.655422][ T6872] Call trace: [ 48.655952][ T6872] iopt_map_pages+0xd7c/0xdcc (P) [ 48.656663][ T6872] iopt_map_common+0x204/0x420 [ 48.657345][ T6872] iopt_map_user_pages+0xb4/0xd8 [ 48.658038][ T6872] iommufd_ioas_map+0x2d4/0x3d0 [ 48.658751][ T6872] iommufd_fops_ioctl+0x424/0x54c [ 48.659469][ T6872] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.660255][ T6872] invoke_syscall+0x98/0x254 [ 48.660905][ T6872] el0_svc_common+0xe8/0x23c [ 48.661580][ T6872] do_el0_svc+0x48/0x58 [ 48.662216][ T6872] el0_svc+0x5c/0x254 [ 48.662806][ T6872] el0t_64_sync_handler+0x84/0x12c [ 48.663556][ T6872] el0t_64_sync+0x198/0x19c [ 48.664184][ T6872] irq event stamp: 844 [ 48.664748][ T6872] hardirqs last enabled at (843): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.666156][ T6872] hardirqs last disabled at (844): [] el1_brk64+0x20/0x54 [ 48.667414][ T6872] softirqs last enabled at (804): [] local_bh_enable+0x10/0x34 [ 48.668757][ T6872] softirqs last disabled at (802): [] local_bh_disable+0x10/0x34 [ 48.670052][ T6872] ---[ end trace 0000000000000000 ]--- [ 48.680245][ T6873] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.681734][ T6873] ------------[ cut here ]------------ [ 48.681746][ T6873] WARNING: CPU: 0 PID: 6873 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.684017][ T6873] Modules linked in: [ 48.684581][ T6873] CPU: 0 UID: 0 PID: 6873 Comm: syz.0.151 Tainted: G W syzkaller #0 PREEMPT [ 48.685997][ T6873] Tainted: [W]=WARN [ 48.686548][ T6873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.687997][ T6873] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.689127][ T6873] pc : iopt_map_pages+0xd7c/0xdcc [ 48.689842][ T6873] lr : iopt_map_pages+0xd7c/0xdcc [ 48.690550][ T6873] sp : ffff80009d9376c0 [ 48.691180][ T6873] x29: ffff80009d9378a0 x28: ffff0000d948d010 x27: 1fffe0001b291a44 [ 48.692407][ T6873] x26: ffff80009d937b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.693527][ T6873] x23: ffff0000d948d220 x22: ffff0000d948d1f8 x21: 00000000ffffffea [ 48.694724][ T6873] x20: dfff800000000000 x19: ffff80009d9379b0 x18: 0000000000000000 [ 48.695825][ T6873] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.696946][ T6873] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.698121][ T6873] x11: ffff0000c5ab0000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.699225][ T6873] x8 : ffff0000c5ab0000 x7 : 0000000000000000 x6 : 000000000000003f [ 48.700308][ T6873] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.701503][ T6873] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.702759][ T6873] Call trace: [ 48.703272][ T6873] iopt_map_pages+0xd7c/0xdcc (P) [ 48.703983][ T6873] iopt_map_common+0x204/0x420 [ 48.704684][ T6873] iopt_map_user_pages+0xb4/0xd8 [ 48.705427][ T6873] iommufd_ioas_map+0x2d4/0x3d0 [ 48.706170][ T6873] iommufd_fops_ioctl+0x424/0x54c [ 48.706990][ T6873] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.707749][ T6873] invoke_syscall+0x98/0x254 [ 48.708434][ T6873] el0_svc_common+0xe8/0x23c [ 48.709183][ T6873] do_el0_svc+0x48/0x58 [ 48.709798][ T6873] el0_svc+0x5c/0x254 [ 48.710377][ T6873] el0t_64_sync_handler+0x84/0x12c [ 48.711148][ T6873] el0t_64_sync+0x198/0x19c [ 48.711878][ T6873] irq event stamp: 1380 [ 48.712501][ T6873] hardirqs last enabled at (1379): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.713951][ T6873] hardirqs last disabled at (1380): [] el1_brk64+0x20/0x54 [ 48.715346][ T6873] softirqs last enabled at (1346): [] local_bh_enable+0x10/0x34 [ 48.716733][ T6873] softirqs last disabled at (1344): [] local_bh_disable+0x10/0x34 [ 48.718121][ T6873] ---[ end trace 0000000000000000 ]--- [ 48.729286][ T6874] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.731128][ T6874] ------------[ cut here ]------------ [ 48.731137][ T6874] WARNING: CPU: 1 PID: 6874 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.733714][ T6874] Modules linked in: [ 48.734410][ T6874] CPU: 1 UID: 0 PID: 6874 Comm: syz.0.152 Tainted: G W syzkaller #0 PREEMPT [ 48.736071][ T6874] Tainted: [W]=WARN [ 48.736727][ T6874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.738442][ T6874] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.739700][ T6874] pc : iopt_map_pages+0xd7c/0xdcc [ 48.740525][ T6874] lr : iopt_map_pages+0xd7c/0xdcc [ 48.741336][ T6874] sp : ffff80009d9376c0 [ 48.742001][ T6874] x29: ffff80009d9378a0 x28: ffff0000d948f810 x27: 1fffe0001b291f44 [ 48.743269][ T6874] x26: ffff80009d937b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.744513][ T6874] x23: ffff0000d948fa20 x22: ffff0000d948f9f8 x21: 00000000ffffffea [ 48.745756][ T6874] x20: dfff800000000000 x19: ffff80009d9379b0 x18: 0000000000000000 [ 48.746876][ T6874] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.748191][ T6874] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.749493][ T6874] x11: ffff0000c2ccbd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.750785][ T6874] x8 : ffff0000c2ccbd80 x7 : 0000000000000000 x6 : 000000000000003f [ 48.751982][ T6874] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.753185][ T6874] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.754430][ T6874] Call trace: [ 48.754938][ T6874] iopt_map_pages+0xd7c/0xdcc (P) [ 48.755645][ T6874] iopt_map_common+0x204/0x420 [ 48.756424][ T6874] iopt_map_user_pages+0xb4/0xd8 [ 48.757167][ T6874] iommufd_ioas_map+0x2d4/0x3d0 [ 48.757891][ T6874] iommufd_fops_ioctl+0x424/0x54c [ 48.758631][ T6874] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.759410][ T6874] invoke_syscall+0x98/0x254 [ 48.760084][ T6874] el0_svc_common+0xe8/0x23c [ 48.760787][ T6874] do_el0_svc+0x48/0x58 [ 48.761440][ T6874] el0_svc+0x5c/0x254 [ 48.762035][ T6874] el0t_64_sync_handler+0x84/0x12c [ 48.762834][ T6874] el0t_64_sync+0x198/0x19c [ 48.763520][ T6874] irq event stamp: 852 [ 48.764141][ T6874] hardirqs last enabled at (851): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.765616][ T6874] hardirqs last disabled at (852): [] el1_brk64+0x20/0x54 [ 48.766873][ T6874] softirqs last enabled at (812): [] local_bh_enable+0x10/0x34 [ 48.768243][ T6874] softirqs last disabled at (810): [] local_bh_disable+0x10/0x34 [ 48.769696][ T6874] ---[ end trace 0000000000000000 ]--- [ 48.778383][ T6875] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.779843][ T6875] ------------[ cut here ]------------ [ 48.779855][ T6875] WARNING: CPU: 0 PID: 6875 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.782141][ T6875] Modules linked in: [ 48.782712][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz.0.153 Tainted: G W syzkaller #0 PREEMPT [ 48.784180][ T6875] Tainted: [W]=WARN [ 48.784748][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.786300][ T6875] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.787474][ T6875] pc : iopt_map_pages+0xd7c/0xdcc [ 48.788202][ T6875] lr : iopt_map_pages+0xd7c/0xdcc [ 48.788965][ T6875] sp : ffff80009d9176c0 [ 48.789601][ T6875] x29: ffff80009d9178a0 x28: ffff0000d948e810 x27: 1fffe0001b291d44 [ 48.790803][ T6875] x26: ffff80009d917b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.792034][ T6875] x23: ffff0000d948ea20 x22: ffff0000d948e9f8 x21: 00000000ffffffea [ 48.793139][ T6875] x20: dfff800000000000 x19: ffff80009d9179b0 x18: 0000000000000000 [ 48.794362][ T6875] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.795491][ T6875] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.796681][ T6875] x11: ffff0000cb470000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.797856][ T6875] x8 : ffff0000cb470000 x7 : 0000000000000000 x6 : 000000000000003f [ 48.799013][ T6875] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.800154][ T6875] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.801361][ T6875] Call trace: [ 48.801848][ T6875] iopt_map_pages+0xd7c/0xdcc (P) [ 48.802557][ T6875] iopt_map_common+0x204/0x420 [ 48.803245][ T6875] iopt_map_user_pages+0xb4/0xd8 [ 48.804002][ T6875] iommufd_ioas_map+0x2d4/0x3d0 [ 48.804741][ T6875] iommufd_fops_ioctl+0x424/0x54c [ 48.805544][ T6875] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.806246][ T6875] invoke_syscall+0x98/0x254 [ 48.806942][ T6875] el0_svc_common+0xe8/0x23c [ 48.807689][ T6875] do_el0_svc+0x48/0x58 [ 48.808371][ T6875] el0_svc+0x5c/0x254 [ 48.809017][ T6875] el0t_64_sync_handler+0x84/0x12c [ 48.809836][ T6875] el0t_64_sync+0x198/0x19c [ 48.810495][ T6875] irq event stamp: 892 1970/01/01 00:00:48 executed programs: 138 [ 48.811071][ T6875] hardirqs last enabled at (891): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.812575][ T6875] hardirqs last disabled at (892): [] el1_brk64+0x20/0x54 [ 48.813855][ T6875] softirqs last enabled at (854): [] local_bh_enable+0x10/0x34 [ 48.815268][ T6875] softirqs last disabled at (852): [] local_bh_disable+0x10/0x34 [ 48.816659][ T6875] ---[ end trace 0000000000000000 ]--- [ 48.825488][ T687 ** replaying previous printk message ** [ 48.825488][ T6876] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.825816][ T6876] ------------[ cut here ]------------ [ 48.825821][ T6876] WARNING: CPU: 0 PID: 6876 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.829659][ T6876] Modules linked in: [ 48.830195][ T6876] CPU: 0 UID: 0 PID: 6876 Comm: syz.0.154 Tainted: G W syzkaller #0 PREEMPT [ 48.831648][ T6876] Tainted: [W]=WARN [ 48.832175][ T6876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.833508][ T6876] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.834687][ T6876] pc : iopt_map_pages+0xd7c/0xdcc [ 48.835407][ T6876] lr : iopt_map_pages+0xd7c/0xdcc [ 48.836186][ T6876] sp : ffff80009d9176c0 [ 48.836781][ T6876] x29: ffff80009d9178a0 x28: ffff0000d79de010 x27: 1fffe0001af3bc44 [ 48.838004][ T6876] x26: ffff80009d917b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.839138][ T6876] x23: ffff0000d79de220 x22: ffff0000d79de1f8 x21: 00000000ffffffea [ 48.840325][ T6876] x20: dfff800000000000 x19: ffff80009d9179b0 x18: 0000000000000000 [ 48.841497][ T6876] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.842682][ T6876] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.843874][ T6876] x11: ffff0000cb473d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.844998][ T6876] x8 : ffff0000cb473d80 x7 : 0000000000000000 x6 : 000000000000003f [ 48.846266][ T6876] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.847362][ T6876] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.848513][ T6876] Call trace: [ 48.848920][ T6876] iopt_map_pages+0xd7c/0xdcc (P) [ 48.849677][ T6876] iopt_map_common+0x204/0x420 [ 48.850380][ T6876] iopt_map_user_pages+0xb4/0xd8 [ 48.851098][ T6876] iommufd_ioas_map+0x2d4/0x3d0 [ 48.851820][ T6876] iommufd_fops_ioctl+0x424/0x54c [ 48.852556][ T6876] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.853216][ T6876] invoke_syscall+0x98/0x254 [ 48.853903][ T6876] el0_svc_common+0xe8/0x23c [ 48.854563][ T6876] do_el0_svc+0x48/0x58 [ 48.855153][ T6876] el0_svc+0x5c/0x254 [ 48.855750][ T6876] el0t_64_sync_handler+0x84/0x12c [ 48.856529][ T6876] el0t_64_sync+0x198/0x19c [ 48.857203][ T6876] irq event stamp: 1480 [ 48.857819][ T6876] hardirqs last enabled at (1479): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.859173][ T6876] hardirqs last disabled at (1480): [] el1_brk64+0x20/0x54 [ 48.860517][ T6876] softirqs last enabled at (1040): [] local_bh_enable+0x10/0x34 [ 48.861985][ T6876] softirqs last disabled at (1038): [] local_bh_disable+0x10/0x34 [ 48.863398][ T6876] ---[ end trace 0000000000000000 ]--- [ 48.871661][ T6877 ** replaying previous printk message ** [ 48.871661][ T6877] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.871998][ T6877] ------------[ cut here ]------------ [ 48.872003][ T6877] WARNING: CPU: 0 PID: 6877 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.876282][ T6877] Modules linked in: [ 48.876839][ T6877] CPU: 0 UID: 0 PID: 6877 Comm: syz.0.155 Tainted: G W syzkaller #0 PREEMPT [ 48.878321][ T6877] Tainted: [W]=WARN [ 48.878892][ T6877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.880381][ T6877] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.881602][ T6877] pc : iopt_map_pages+0xd7c/0xdcc [ 48.882390][ T6877] lr : iopt_map_pages+0xd7c/0xdcc [ 48.883199][ T6877] sp : ffff80009d9076c0 [ 48.883790][ T6877] x29: ffff80009d9078a0 x28: ffff0000d79d8010 x27: 1fffe0001af3b044 [ 48.884923][ T6877] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.886105][ T6877] x23: ffff0000d79d8220 x22: ffff0000d79d81f8 x21: 00000000ffffffea [ 48.887220][ T6877] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 48.888397][ T6877] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.889545][ T6877] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.890723][ T6877] x11: ffff0000cb475c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.891911][ T6877] x8 : ffff0000cb475c40 x7 : 0000000000000000 x6 : 000000000000003f [ 48.893101][ T6877] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.894265][ T6877] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.895471][ T6877] Call trace: [ 48.895976][ T6877] iopt_map_pages+0xd7c/0xdcc (P) [ 48.896691][ T6877] iopt_map_common+0x204/0x420 [ 48.897393][ T6877] iopt_map_user_pages+0xb4/0xd8 [ 48.898112][ T6877] iommufd_ioas_map+0x2d4/0x3d0 [ 48.898848][ T6877] iommufd_fops_ioctl+0x424/0x54c [ 48.899601][ T6877] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.900340][ T6877] invoke_syscall+0x98/0x254 [ 48.900990][ T6877] el0_svc_common+0xe8/0x23c [ 48.901669][ T6877] do_el0_svc+0x48/0x58 [ 48.902286][ T6877] el0_svc+0x5c/0x254 [ 48.902927][ T6877] el0t_64_sync_handler+0x84/0x12c [ 48.903713][ T6877] el0t_64_sync+0x198/0x19c [ 48.904354][ T6877] irq event stamp: 828 [ 48.904990][ T6877] hardirqs last enabled at (827): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.906401][ T6877] hardirqs last disabled at (828): [] el1_brk64+0x20/0x54 [ 48.907616][ T6877] softirqs last enabled at (130): [] local_bh_enable+0x10/0x34 [ 48.908883][ T6877] softirqs last disabled at (128): [] local_bh_disable+0x10/0x34 [ 48.910125][ T6877] ---[ end trace 0000000000000000 ]--- [ 48.917640][ T6878 ** replaying previous printk message ** [ 48.917640][ T6878] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.917969][ T6878] ------------[ cut here ]------------ [ 48.917974][ T6878] WARNING: CPU: 0 PID: 6878 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.922038][ T6878] Modules linked in: [ 48.922688][ T6878] CPU: 0 UID: 0 PID: 6878 Comm: syz.0.156 Tainted: G W syzkaller #0 PREEMPT [ 48.924164][ T6878] Tainted: [W]=WARN [ 48.924699][ T6878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.926162][ T6878] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.927280][ T6878] pc : iopt_map_pages+0xd7c/0xdcc [ 48.928033][ T6878] lr : iopt_map_pages+0xd7c/0xdcc [ 48.928735][ T6878] sp : ffff80009d9176c0 [ 48.929301][ T6878] x29: ffff80009d9178a0 x28: ffff0000d79df010 x27: 1fffe0001af3be44 [ 48.930498][ T6878] x26: ffff80009d917b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.931744][ T6878] x23: ffff0000d79df220 x22: ffff0000d79df1f8 x21: 00000000ffffffea [ 48.932943][ T6878] x20: dfff800000000000 x19: ffff80009d9179b0 x18: 0000000000000000 [ 48.934235][ T6878] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.935463][ T6878] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.936743][ T6878] x11: ffff0000c698bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.937951][ T6878] x8 : ffff0000c698bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 48.939112][ T6878] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.940311][ T6878] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.941441][ T6878] Call trace: [ 48.941944][ T6878] iopt_map_pages+0xd7c/0xdcc (P) [ 48.942666][ T6878] iopt_map_common+0x204/0x420 [ 48.943360][ T6878] iopt_map_user_pages+0xb4/0xd8 [ 48.944102][ T6878] iommufd_ioas_map+0x2d4/0x3d0 [ 48.944829][ T6878] iommufd_fops_ioctl+0x424/0x54c [ 48.945648][ T6878] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.946413][ T6878] invoke_syscall+0x98/0x254 [ 48.947112][ T6878] el0_svc_common+0xe8/0x23c [ 48.947747][ T6878] do_el0_svc+0x48/0x58 [ 48.948362][ T6878] el0_svc+0x5c/0x254 [ 48.948889][ T6878] el0t_64_sync_handler+0x84/0x12c [ 48.949629][ T6878] el0t_64_sync+0x198/0x19c [ 48.950299][ T6878] irq event stamp: 820 [ 48.950862][ T6878] hardirqs last enabled at (819): [] kasan_quarantine_put+0x1a0/0x1c8 [ 48.952330][ T6878] hardirqs last disabled at (820): [] el1_brk64+0x20/0x54 [ 48.953559][ T6878] softirqs last enabled at (132): [] local_bh_enable+0x10/0x34 [ 48.954806][ T6878] softirqs last disabled at (130): [] local_bh_disable+0x10/0x34 [ 48.956070][ T6878] ---[ end trace 0000000000000000 ]--- [ 48.967244][ T6879] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 48.968802][ T6879] ------------[ cut here ]------------ [ 48.968814][ T6879] WARNING: CPU: 0 PID: 6879 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 48.971403][ T6879] Modules linked in: [ 48.972017][ T6879] CPU: 0 UID: 0 PID: 6879 Comm: syz.0.157 Tainted: G W syzkaller #0 PREEMPT [ 48.973692][ T6879] Tainted: [W]=WARN [ 48.974304][ T6879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.975963][ T6879] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.977187][ T6879] pc : iopt_map_pages+0xd7c/0xdcc [ 48.977942][ T6879] lr : iopt_map_pages+0xd7c/0xdcc [ 48.978687][ T6879] sp : ffff80009d9076c0 [ 48.979255][ T6879] x29: ffff80009d9078a0 x28: ffff0000d948e010 x27: 1fffe0001b291c44 [ 48.980404][ T6879] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 48.981629][ T6879] x23: ffff0000d948e220 x22: ffff0000d948e1f8 x21: 00000000ffffffea [ 48.982820][ T6879] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 48.984000][ T6879] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 48.985230][ T6879] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 48.986518][ T6879] x11: ffff0000c698dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 48.987653][ T6879] x8 : ffff0000c698dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 48.988798][ T6879] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 48.990071][ T6879] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 48.991210][ T6879] Call trace: [ 48.991701][ T6879] iopt_map_pages+0xd7c/0xdcc (P) [ 48.992424][ T6879] iopt_map_common+0x204/0x420 [ 48.993177][ T6879] iopt_map_user_pages+0xb4/0xd8 [ 48.993875][ T6879] iommufd_ioas_map+0x2d4/0x3d0 [ 48.994570][ T6879] iommufd_fops_ioctl+0x424/0x54c [ 48.995312][ T6879] __arm64_sys_ioctl+0x14c/0x1c4 [ 48.996005][ T6879] invoke_syscall+0x98/0x254 [ 48.996682][ T6879] el0_svc_common+0xe8/0x23c [ 48.997336][ T6879] do_el0_svc+0x48/0x58 [ 48.998026][ T6879] el0_svc+0x5c/0x254 [ 48.998633][ T6879] el0t_64_sync_handler+0x84/0x12c [ 48.999359][ T6879] el0t_64_sync+0x198/0x19c [ 49.000038][ T6879] irq event stamp: 810 [ 49.000609][ T6879] hardirqs last enabled at (809): [] ___slab_alloc+0x808/0x127c [ 49.001871][ T6879] hardirqs last disabled at (810): [] el1_brk64+0x20/0x54 [ 49.003187][ T6879] softirqs last enabled at (772): [] local_bh_enable+0x10/0x34 [ 49.004577][ T6879] softirqs last disabled at (770): [] local_bh_disable+0x10/0x34 [ 49.005949][ T6879] ---[ end trace 0000000000000000 ]--- [ 49.015222][ T6880] i ** replaying previous printk message ** [ 49.015222][ T6880] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.015608][ T6880] ------------[ cut here ]------------ [ 49.015614][ T6880] WARNING: CPU: 1 PID: 6880 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.019806][ T6880] Modules linked in: [ 49.020425][ T6880] CPU: 1 UID: 0 PID: 6880 Comm: syz.0.158 Tainted: G W syzkaller #0 PREEMPT [ 49.022021][ T6880] Tainted: [W]=WARN [ 49.022592][ T6880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.024017][ T6880] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.025206][ T6880] pc : iopt_map_pages+0xd7c/0xdcc [ 49.025983][ T6880] lr : iopt_map_pages+0xd7c/0xdcc [ 49.026806][ T6880] sp : ffff80009d9076c0 [ 49.027451][ T6880] x29: ffff80009d9078a0 x28: ffff0000d385b010 x27: 1fffe0001a70b644 [ 49.028690][ T6880] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.029898][ T6880] x23: ffff0000d385b220 x22: ffff0000d385b1f8 x21: 00000000ffffffea [ 49.031121][ T6880] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 49.032345][ T6880] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.033569][ T6880] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.034792][ T6880] x11: ffff0000c6989ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.035961][ T6880] x8 : ffff0000c6989ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 49.037126][ T6880] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.038322][ T6880] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.039477][ T6880] Call trace: [ 49.039910][ T6880] iopt_map_pages+0xd7c/0xdcc (P) [ 49.040635][ T6880] iopt_map_common+0x204/0x420 [ 49.041392][ T6880] iopt_map_user_pages+0xb4/0xd8 [ 49.042165][ T6880] iommufd_ioas_map+0x2d4/0x3d0 [ 49.042866][ T6880] iommufd_fops_ioctl+0x424/0x54c [ 49.043664][ T6880] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.044435][ T6880] invoke_syscall+0x98/0x254 [ 49.045143][ T6880] el0_svc_common+0xe8/0x23c [ 49.045783][ T6880] do_el0_svc+0x48/0x58 [ 49.046366][ T6880] el0_svc+0x5c/0x254 [ 49.046950][ T6880] el0t_64_sync_handler+0x84/0x12c [ 49.047683][ T6880] el0t_64_sync+0x198/0x19c [ 49.048349][ T6880] irq event stamp: 866 [ 49.048945][ T6880] hardirqs last enabled at (865): [] ___slab_alloc+0x808/0x127c [ 49.050329][ T6880] hardirqs last disabled at (866): [] el1_brk64+0x20/0x54 [ 49.051697][ T6880] softirqs last enabled at (824): [] local_bh_enable+0x10/0x34 [ 49.053060][ T6880] softirqs last disabled at (822): [] local_bh_disable+0x10/0x34 [ 49.054384][ T6880] ---[ end trace 0000000000000000 ]--- [ 49.062334][ T6881] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.062659][ T6881] ------------[ cut here ]------------ [ 49.062666][ T6881] WARNING: CPU: 0 PID: 6881 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.066234][ T6881] Modules linked in: [ 49.066868][ T6881] CPU: 0 UID: 0 PID: 6881 Comm: syz.0.159 Tainted: G W syzkaller #0 PREEMPT [ 49.068395][ T6881] Tainted: [W]=WARN [ 49.068946][ T6881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.070467][ T6881] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.071698][ T6881] pc : iopt_map_pages+0xd7c/0xdcc [ 49.072425][ T6881] lr : iopt_map_pages+0xd7c/0xdcc [ 49.073189][ T6881] sp : ffff80009d9676c0 [ 49.073799][ T6881] x29: ffff80009d9678a0 x28: ffff0000d79dd010 x27: 1fffe0001af3ba44 [ 49.074899][ T6881] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.076074][ T6881] x23: ffff0000d79dd220 x22: ffff0000d79dd1f8 x21: 00000000ffffffea [ 49.077276][ T6881] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 49.078367][ T6881] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.079617][ T6881] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.080782][ T6881] x11: ffff0000d38a3d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.082026][ T6881] x8 : ffff0000d38a3d80 x7 : 0000000000000000 x6 : 000000000000003f [ 49.083208][ T6881] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.084350][ T6881] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.085585][ T6881] Call trace: [ 49.086103][ T6881] iopt_map_pages+0xd7c/0xdcc (P) [ 49.086887][ T6881] iopt_map_common+0x204/0x420 [ 49.087581][ T6881] iopt_map_user_pages+0xb4/0xd8 [ 49.088265][ T6881] iommufd_ioas_map+0x2d4/0x3d0 [ 49.088917][ T6881] iommufd_fops_ioctl+0x424/0x54c [ 49.089592][ T6881] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.090303][ T6881] invoke_syscall+0x98/0x254 [ 49.091033][ T6881] el0_svc_common+0xe8/0x23c [ 49.091708][ T6881] do_el0_svc+0x48/0x58 [ 49.092358][ T6881] el0_svc+0x5c/0x254 [ 49.092966][ T6881] el0t_64_sync_handler+0x84/0x12c [ 49.093731][ T6881] el0t_64_sync+0x198/0x19c [ 49.094443][ T6881] irq event stamp: 840 [ 49.095057][ T6881] hardirqs last enabled at (839): [] kasan_quarantine_put+0x1a0/0x1c8 [ 49.096510][ T6881] hardirqs last disabled at (840): [] el1_brk64+0x20/0x54 [ 49.097713][ T6881] softirqs last enabled at (140): [] local_bh_enable+0x10/0x34 [ 49.099078][ T6881] softirqs last disabled at (138): [] local_bh_disable+0x10/0x34 [ 49.100323][ T6881] ---[ end trace 0000000000000000 ]--- [ 49.111879][ T68 ** replaying previous printk message ** [ 49.111879][ T6882] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.112241][ T6882] ------------[ cut here ]------------ [ 49.112246][ T6882] WARNING: CPU: 0 PID: 6882 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.116283][ T6882] Modules linked in: [ 49.116903][ T6882] CPU: 0 UID: 0 PID: 6882 Comm: syz.0.160 Tainted: G W syzkaller #0 PREEMPT [ 49.118455][ T6882] Tainted: [W]=WARN [ 49.119065][ T6882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.120568][ T6882] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.121707][ T6882] pc : iopt_map_pages+0xd7c/0xdcc [ 49.122512][ T6882] lr : iopt_map_pages+0xd7c/0xdcc [ 49.123283][ T6882] sp : ffff80009d9676c0 [ 49.123934][ T6882] x29: ffff80009d9678a0 x28: ffff0000d79db810 x27: 1fffe0001af3b744 [ 49.125202][ T6882] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.126421][ T6882] x23: ffff0000d79dba20 x22: ffff0000d79db9f8 x21: 00000000ffffffea [ 49.127637][ T6882] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 49.128919][ T6882] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.130194][ T6882] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.131364][ T6882] x11: ffff0000d2e8dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.132566][ T6882] x8 : ffff0000d2e8dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 49.133719][ T6882] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.134956][ T6882] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.136222][ T6882] Call trace: [ 49.136760][ T6882] iopt_map_pages+0xd7c/0xdcc (P) [ 49.137525][ T6882] iopt_map_common+0x204/0x420 [ 49.138265][ T6882] iopt_map_user_pages+0xb4/0xd8 [ 49.139005][ T6882] iommufd_ioas_map+0x2d4/0x3d0 [ 49.139734][ T6882] iommufd_fops_ioctl+0x424/0x54c [ 49.140557][ T6882] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.141412][ T6882] invoke_syscall+0x98/0x254 [ 49.142152][ T6882] el0_svc_common+0xe8/0x23c [ 49.142799][ T6882] do_el0_svc+0x48/0x58 [ 49.143453][ T6882] el0_svc+0x5c/0x254 [ 49.144025][ T6882] el0t_64_sync_handler+0x84/0x12c [ 49.144844][ T6882] el0t_64_sync+0x198/0x19c [ 49.145537][ T6882] irq event stamp: 828 [ 49.146177][ T6882] hardirqs last enabled at (827): [] kasan_quarantine_put+0x1a0/0x1c8 [ 49.147642][ T6882] hardirqs last disabled at (828): [] el1_brk64+0x20/0x54 [ 49.148994][ T6882] softirqs last enabled at (138): [] local_bh_enable+0x10/0x34 [ 49.150503][ T6882] softirqs last disabled at (136): [] local_bh_disable+0x10/0x34 [ 49.151903][ T6882] ---[ end trace 0000000000000000 ]--- [ 49.162240][ T68 ** replaying previous printk message ** [ 49.162240][ T6883] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.162583][ T6883] ------------[ cut here ]------------ [ 49.162588][ T6883] WARNING: CPU: 1 PID: 6883 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.166839][ T6883] Modules linked in: [ 49.167450][ T6883] CPU: 1 UID: 0 PID: 6883 Comm: syz.0.161 Tainted: G W syzkaller #0 PREEMPT [ 49.169077][ T6883] Tainted: [W]=WARN [ 49.169684][ T6883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.171218][ T6883] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.172445][ T6883] pc : iopt_map_pages+0xd7c/0xdcc [ 49.173161][ T6883] lr : iopt_map_pages+0xd7c/0xdcc [ 49.173884][ T6883] sp : ffff80009d9676c0 [ 49.174503][ T6883] x29: ffff80009d9678a0 x28: ffff0000d385a810 x27: 1fffe0001a70b544 [ 49.175779][ T6883] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.177037][ T6883] x23: ffff0000d385aa20 x22: ffff0000d385a9f8 x21: 00000000ffffffea [ 49.178397][ T6883] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 49.179628][ T6883] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.180849][ T6883] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.182056][ T6883] x11: ffff0000d7389ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.183231][ T6883] x8 : ffff0000d7389ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 49.184417][ T6883] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.185577][ T6883] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.186792][ T6883] Call trace: [ 49.187366][ T6883] iopt_map_pages+0xd7c/0xdcc (P) [ 49.188135][ T6883] iopt_map_common+0x204/0x420 [ 49.188852][ T6883] iopt_map_user_pages+0xb4/0xd8 [ 49.189555][ T6883] iommufd_ioas_map+0x2d4/0x3d0 [ 49.190243][ T6883] iommufd_fops_ioctl+0x424/0x54c [ 49.190995][ T6883] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.191697][ T6883] invoke_syscall+0x98/0x254 [ 49.192411][ T6883] el0_svc_common+0xe8/0x23c [ 49.193048][ T6883] do_el0_svc+0x48/0x58 [ 49.193728][ T6883] el0_svc+0x5c/0x254 [ 49.194363][ T6883] el0t_64_sync_handler+0x84/0x12c [ 49.195077][ T6883] el0t_64_sync+0x198/0x19c [ 49.195791][ T6883] irq event stamp: 876 [ 49.196425][ T6883] hardirqs last enabled at (875): [] kasan_quarantine_put+0x1a0/0x1c8 [ 49.198007][ T6883] hardirqs last disabled at (876): [] el1_brk64+0x20/0x54 [ 49.199330][ T6883] softirqs last enabled at (842): [] local_bh_enable+0x10/0x34 [ 49.200546][ T6883] softirqs last disabled at (840): [] local_bh_disable+0x10/0x34 [ 49.201870][ T6883] ---[ end trace 0000000000000000 ]--- [ 49.211089][ T6884] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.211414][ T6884] ------------[ cut here ]------------ [ 49.211422][ T6884] WARNING: CPU: 0 PID: 6884 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.215080][ T6884] Modules linked in: [ 49.215670][ T6884] CPU: 0 UID: 0 PID: 6884 Comm: syz.0.162 Tainted: G W syzkaller #0 PREEMPT [ 49.217323][ T6884] Tainted: [W]=WARN [ 49.217906][ T6884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.219477][ T6884] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.220716][ T6884] pc : iopt_map_pages+0xd7c/0xdcc [ 49.221593][ T6884] lr : iopt_map_pages+0xd7c/0xdcc [ 49.222304][ T6884] sp : ffff80009d9076c0 [ 49.222908][ T6884] x29: ffff80009d9078a0 x28: ffff0000cd9fc810 x27: 1fffe00019b3f944 [ 49.223960][ T6884] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.225228][ T6884] x23: ffff0000cd9fca20 x22: ffff0000cd9fc9f8 x21: 00000000ffffffea [ 49.226425][ T6884] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 49.227669][ T6884] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.228835][ T6884] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.229950][ T6884] x11: ffff0000d2e8bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.231228][ T6884] x8 : ffff0000d2e8bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 49.232409][ T6884] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.233612][ T6884] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.234792][ T6884] Call trace: [ 49.235278][ T6884] iopt_map_pages+0xd7c/0xdcc (P) [ 49.236034][ T6884] iopt_map_common+0x204/0x420 [ 49.236743][ T6884] iopt_map_user_pages+0xb4/0xd8 [ 49.237443][ T6884] iommufd_ioas_map+0x2d4/0x3d0 [ 49.238182][ T6884] iommufd_fops_ioctl+0x424/0x54c [ 49.238930][ T6884] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.239660][ T6884] invoke_syscall+0x98/0x254 [ 49.240358][ T6884] el0_svc_common+0xe8/0x23c [ 49.241037][ T6884] do_el0_svc+0x48/0x58 [ 49.241597][ T6884] el0_svc+0x5c/0x254 [ 49.242233][ T6884] el0t_64_sync_handler+0x84/0x12c [ 49.243036][ T6884] el0t_64_sync+0x198/0x19c [ 49.243699][ T6884] irq event stamp: 820 [ 49.244264][ T6884] hardirqs last enabled at (819): [] kasan_quarantine_put+0x1a0/0x1c8 [ 49.245618][ T6884] hardirqs last disabled at (820): [] el1_brk64+0x20/0x54 [ 49.246983][ T6884] softirqs last enabled at (144): [] local_bh_enable+0x10/0x34 [ 49.248312][ T6884] softirqs last disabled at (142): [] local_bh_disable+0x10/0x34 [ 49.249671][ T6884] ---[ end trace 0000000000000000 ]--- [ 49.259368][ T6885 ** replaying previous printk message ** [ 49.259368][ T6885] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.259711][ T6885] ------------[ cut here ]------------ [ 49.259716][ T6885] WARNING: CPU: 0 PID: 6885 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.263854][ T6885] Modules linked in: [ 49.264488][ T6885] CPU: 0 UID: 0 PID: 6885 Comm: syz.0.163 Tainted: G W syzkaller #0 PREEMPT [ 49.266073][ T6885] Tainted: [W]=WARN [ 49.266676][ T6885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.268162][ T6885] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.269431][ T6885] pc : iopt_map_pages+0xd7c/0xdcc [ 49.270144][ T6885] lr : iopt_map_pages+0xd7c/0xdcc [ 49.270827][ T6885] sp : ffff80009d9676c0 [ 49.271412][ T6885] x29: ffff80009d9678a0 x28: ffff0000cd9fa810 x27: 1fffe00019b3f544 [ 49.272608][ T6885] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.273782][ T6885] x23: ffff0000cd9faa20 x22: ffff0000cd9fa9f8 x21: 00000000ffffffea [ 49.274936][ T6885] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 49.276127][ T6885] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.277335][ T6885] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.278615][ T6885] x11: ffff0000c4bb0000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.279876][ T6885] x8 : ffff0000c4bb0000 x7 : 0000000000000000 x6 : 000000000000003f [ 49.281040][ T6885] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.282166][ T6885] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.283442][ T6885] Call trace: [ 49.283898][ T6885] iopt_map_pages+0xd7c/0xdcc (P) [ 49.284659][ T6885] iopt_map_common+0x204/0x420 [ 49.285351][ T6885] iopt_map_user_pages+0xb4/0xd8 [ 49.286072][ T6885] iommufd_ioas_map+0x2d4/0x3d0 [ 49.286760][ T6885] iommufd_fops_ioctl+0x424/0x54c [ 49.287455][ T6885] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.288166][ T6885] invoke_syscall+0x98/0x254 [ 49.288798][ T6885] el0_svc_common+0xe8/0x23c [ 49.289429][ T6885] do_el0_svc+0x48/0x58 [ 49.290040][ T6885] el0_svc+0x5c/0x254 [ 49.290642][ T6885] el0t_64_sync_handler+0x84/0x12c [ 49.291377][ T6885] el0t_64_sync+0x198/0x19c [ 49.292104][ T6885] irq event stamp: 1106 [ 49.292664][ T6885] hardirqs last enabled at (1105): [] kasan_quarantine_put+0x1a0/0x1c8 [ 49.294067][ T6885] hardirqs last disabled at (1106): [] el1_brk64+0x20/0x54 [ 49.295356][ T6885] softirqs last enabled at (134): [] local_bh_enable+0x10/0x34 [ 49.296698][ T6885] softirqs last disabled at (132): [] local_bh_disable+0x10/0x34 [ 49.298019][ T6885] ---[ end trace 0000000000000000 ]--- [ 49.305960][ T6886] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.307342][ T6886] ------------[ cut here ]------------ [ 49.307353][ T6886] WARNING: CPU: 0 PID: 6886 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.309847][ T6886] Modules linked in: [ 49.310343][ T6886] CPU: 0 UID: 0 PID: 6886 Comm: syz.0.164 Tainted: G W syzkaller #0 PREEMPT [ 49.311787][ T6886] Tainted: [W]=WARN [ 49.312332][ T6886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.313724][ T6886] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.314923][ T6886] pc : iopt_map_pages+0xd7c/0xdcc [ 49.315634][ T6886] lr : iopt_map_pages+0xd7c/0xdcc [ 49.316305][ T6886] sp : ffff80009d9076c0 [ 49.316854][ T6886] x29: ffff80009d9078a0 x28: ffff0000d684f010 x27: 1fffe0001ad09e44 [ 49.318042][ T6886] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.319169][ T6886] x23: ffff0000d684f220 x22: ffff0000d684f1f8 x21: 00000000ffffffea [ 49.320422][ T6886] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 49.321554][ T6886] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.322702][ T6886] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.323826][ T6886] x11: ffff0000d0468000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.325066][ T6886] x8 : ffff0000d0468000 x7 : 0000000000000000 x6 : 000000000000003f [ 49.326313][ T6886] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.327502][ T6886] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.328731][ T6886] Call trace: [ 49.329256][ T6886] iopt_map_pages+0xd7c/0xdcc (P) [ 49.329981][ T6886] iopt_map_common+0x204/0x420 [ 49.330644][ T6886] iopt_map_user_pages+0xb4/0xd8 [ 49.331408][ T6886] iommufd_ioas_map+0x2d4/0x3d0 [ 49.332110][ T6886] iommufd_fops_ioctl+0x424/0x54c [ 49.332866][ T6886] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.333543][ T6886] invoke_syscall+0x98/0x254 [ 49.334213][ T6886] el0_svc_common+0xe8/0x23c [ 49.334861][ T6886] do_el0_svc+0x48/0x58 [ 49.335439][ T6886] el0_svc+0x5c/0x254 [ 49.336050][ T6886] el0t_64_sync_handler+0x84/0x12c [ 49.336786][ T6886] el0t_64_sync+0x198/0x19c [ 49.337484][ T6886] irq event stamp: 1248 [ 49.338145][ T6886] hardirqs last enabled at (1247): [] kasan_quarantine_put+0x1a0/0x1c8 [ 49.339596][ T6886] hardirqs last disabled at (1248): [] el1_brk64+0x20/0x54 [ 49.340888][ T6886] softirqs last enabled at (1214): [] local_bh_enable+0x10/0x34 [ 49.342255][ T6886] softirqs last disabled at (1212): [] local_bh_disable+0x10/0x34 [ 49.343617][ T6886] ---[ end trace 0000000000000000 ]--- [ 49.352212][ T6887] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.353679][ T6887] ------------[ cut here ]------------ [ 49.353691][ T6887] WARNING: CPU: 0 PID: 6887 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.356191][ T6887] Modules linked in: [ 49.356738][ T6887] CPU: 0 UID: 0 PID: 6887 Comm: syz.0.165 Tainted: G W syzkaller #0 PREEMPT [ 49.358249][ T6887] Tainted: [W]=WARN [ 49.358856][ T6887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.360254][ T6887] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.361400][ T6887] pc : iopt_map_pages+0xd7c/0xdcc [ 49.362203][ T6887] lr : iopt_map_pages+0xd7c/0xdcc [ 49.362908][ T6887] sp : ffff80009d9076c0 [ 49.363517][ T6887] x29: ffff80009d9078a0 x28: ffff0000d1317810 x27: 1fffe0001a262f44 [ 49.364766][ T6887] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.365922][ T6887] x23: ffff0000d1317a20 x22: ffff0000d13179f8 x21: 00000000ffffffea [ 49.367230][ T6887] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 49.368502][ T6887] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.369762][ T6887] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.370963][ T6887] x11: ffff0000d046dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.372145][ T6887] x8 : ffff0000d046dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 49.373292][ T6887] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.374436][ T6887] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.375686][ T6887] Call trace: [ 49.376184][ T6887] iopt_map_pages+0xd7c/0xdcc (P) [ 49.376991][ T6887] iopt_map_common+0x204/0x420 [ 49.377668][ T6887] iopt_map_user_pages+0xb4/0xd8 [ 49.378354][ T6887] iommufd_ioas_map+0x2d4/0x3d0 [ 49.379066][ T6887] iommufd_fops_ioctl+0x424/0x54c [ 49.379841][ T6887] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.380623][ T6887] invoke_syscall+0x98/0x254 [ 49.381350][ T6887] el0_svc_common+0xe8/0x23c [ 49.382045][ T6887] do_el0_svc+0x48/0x58 [ 49.382651][ T6887] el0_svc+0x5c/0x254 [ 49.383218][ T6887] el0t_64_sync_handler+0x84/0x12c [ 49.383979][ T6887] el0t_64_sync+0x198/0x19c [ 49.384679][ T6887] irq event stamp: 882 [ 49.385314][ T6887] hardirqs last enabled at (881): [] ___slab_alloc+0x808/0x127c [ 49.386593][ T6887] hardirqs last disabled at (882): [] el1_brk64+0x20/0x54 [ 49.387790][ T6887] softirqs last enabled at (838): [] local_bh_enable+0x10/0x34 [ 49.389129][ T6887] softirqs last disabled at (836): [] local_bh_disable+0x10/0x34 [ 49.390449][ T6887] ---[ end trace 0000000000000000 ]--- [ 49.400590][ T6888] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.401841][ T6888] ------------[ cut here ]------------ [ 49.401853][ T6888] WARNING: CPU: 0 PID: 6888 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.404260][ T6888] Modules linked in: [ 49.404872][ T6888] CPU: 0 UID: 0 PID: 6888 Comm: syz.0.166 Tainted: G W syzkaller #0 PREEMPT [ 49.406396][ T6888] Tainted: [W]=WARN [ 49.406942][ T6888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.408345][ T6888] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.409512][ T6888] pc : iopt_map_pages+0xd7c/0xdcc [ 49.410295][ T6888] lr : iopt_map_pages+0xd7c/0xdcc [ 49.411072][ T6888] sp : ffff80009d9076c0 [ 49.411728][ T6888] x29: ffff80009d9078a0 x28: ffff0000d1314010 x27: 1fffe0001a262844 [ 49.413005][ T6888] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.414200][ T6888] x23: ffff0000d1314220 x22: ffff0000d13141f8 x21: 00000000ffffffea [ 49.415440][ T6888] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 49.416589][ T6888] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.417774][ T6888] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.418983][ T6888] x11: ffff0000c4a3bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.420123][ T6888] x8 : ffff0000c4a3bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 49.421362][ T6888] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.422585][ T6888] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.423816][ T6888] Call trace: [ 49.424285][ T6888] iopt_map_pages+0xd7c/0xdcc (P) [ 49.425038][ T6888] iopt_map_common+0x204/0x420 [ 49.425781][ T6888] iopt_map_user_pages+0xb4/0xd8 [ 49.426458][ T6888] iommufd_ioas_map+0x2d4/0x3d0 [ 49.427218][ T6888] iommufd_fops_ioctl+0x424/0x54c [ 49.428006][ T6888] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.428669][ T6888] invoke_syscall+0x98/0x254 [ 49.429383][ T6888] el0_svc_common+0xe8/0x23c [ 49.430020][ T6888] do_el0_svc+0x48/0x58 [ 49.430655][ T6888] el0_svc+0x5c/0x254 [ 49.431275][ T6888] el0t_64_sync_handler+0x84/0x12c [ 49.432018][ T6888] el0t_64_sync+0x198/0x19c [ 49.432670][ T6888] irq event stamp: 846 [ 49.433259][ T6888] hardirqs last enabled at (845): [] ___slab_alloc+0x808/0x127c [ 49.434593][ T6888] hardirqs last disabled at (846): [] el1_brk64+0x20/0x54 [ 49.435842][ T6888] softirqs last enabled at (804): [] local_bh_enable+0x10/0x34 [ 49.437288][ T6888] softirqs last disabled at (802): [] local_bh_disable+0x10/0x34 [ 49.438723][ T6888] ---[ end trace 0000000000000000 ]--- [ 49.447767][ T6889] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.449179][ T6889] ------------[ cut here ]------------ [ 49.449190][ T6889] WARNING: CPU: 0 PID: 6889 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.451552][ T6889] Modules linked in: [ 49.452122][ T6889] CPU: 0 UID: 0 PID: 6889 Comm: syz.0.167 Tainted: G W syzkaller #0 PREEMPT [ 49.453694][ T6889] Tainted: [W]=WARN [ 49.454250][ T6889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.455838][ T6889] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.457040][ T6889] pc : iopt_map_pages+0xd7c/0xdcc [ 49.457819][ T6889] lr : iopt_map_pages+0xd7c/0xdcc [ 49.458540][ T6889] sp : ffff80009d9076c0 [ 49.459163][ T6889] x29: ffff80009d9078a0 x28: ffff0000d1313010 x27: 1fffe0001a262644 [ 49.460329][ T6889] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.461539][ T6889] x23: ffff0000d1313220 x22: ffff0000d13131f8 x21: 00000000ffffffea [ 49.462714][ T6889] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 49.463867][ T6889] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.465110][ T6889] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.466225][ T6889] x11: ffff0000c4a38000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.467420][ T6889] x8 : ffff0000c4a38000 x7 : 0000000000000000 x6 : 000000000000003f [ 49.468566][ T6889] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.469760][ T6889] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.471078][ T6889] Call trace: [ 49.471555][ T6889] iopt_map_pages+0xd7c/0xdcc (P) [ 49.472294][ T6889] iopt_map_common+0x204/0x420 [ 49.472996][ T6889] iopt_map_user_pages+0xb4/0xd8 [ 49.473670][ T6889] iommufd_ioas_map+0x2d4/0x3d0 [ 49.474398][ T6889] iommufd_fops_ioctl+0x424/0x54c [ 49.475122][ T6889] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.475867][ T6889] invoke_syscall+0x98/0x254 [ 49.476562][ T6889] el0_svc_common+0xe8/0x23c [ 49.477224][ T6889] do_el0_svc+0x48/0x58 [ 49.477889][ T6889] el0_svc+0x5c/0x254 [ 49.478494][ T6889] el0t_64_sync_handler+0x84/0x12c [ 49.479273][ T6889] el0t_64_sync+0x198/0x19c [ 49.479930][ T6889] irq event stamp: 868 [ 49.480541][ T6889] hardirqs last enabled at (867): [] ___slab_alloc+0x808/0x127c [ 49.481982][ T6889] hardirqs last disabled at (868): [] el1_brk64+0x20/0x54 [ 49.483227][ T6889] softirqs last enabled at (830): [] local_bh_enable+0x10/0x34 [ 49.484507][ T6889] softirqs last disabled at (828): [] local_bh_disable+0x10/0x34 [ 49.485831][ T6889] ---[ end trace 0000000000000000 ]--- [ 49.496428][ T6890] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.497973][ T6890] ------------[ cut here ]------------ [ 49.497991][ T6890] WARNING: CPU: 0 PID: 6890 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.500387][ T6890] Modules linked in: [ 49.500948][ T6890] CPU: 0 UID: 0 PID: 6890 Comm: syz.0.168 Tainted: G W syzkaller #0 PREEMPT [ 49.502307][ T6890] Tainted: [W]=WARN [ 49.502904][ T6890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.504386][ T6890] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.505596][ T6890] pc : iopt_map_pages+0xd7c/0xdcc [ 49.506322][ T6890] lr : iopt_map_pages+0xd7c/0xdcc [ 49.507048][ T6890] sp : ffff80009d9676c0 [ 49.507623][ T6890] x29: ffff80009d9678a0 x28: ffff0000d1312010 x27: 1fffe0001a262444 [ 49.508824][ T6890] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.510047][ T6890] x23: ffff0000d1312220 x22: ffff0000d13121f8 x21: 00000000ffffffea [ 49.511199][ T6890] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 49.512452][ T6890] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.513666][ T6890] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.514885][ T6890] x11: ffff0000d0d63d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.516209][ T6890] x8 : ffff0000d0d63d80 x7 : 0000000000000000 x6 : 000000000000003f [ 49.517401][ T6890] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.518620][ T6890] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.519856][ T6890] Call trace: [ 49.520312][ T6890] iopt_map_pages+0xd7c/0xdcc (P) [ 49.521118][ T6890] iopt_map_common+0x204/0x420 [ 49.521895][ T6890] iopt_map_user_pages+0xb4/0xd8 [ 49.522574][ T6890] iommufd_ioas_map+0x2d4/0x3d0 [ 49.523310][ T6890] iommufd_fops_ioctl+0x424/0x54c [ 49.524062][ T6890] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.524770][ T6890] invoke_syscall+0x98/0x254 [ 49.525469][ T6890] el0_svc_common+0xe8/0x23c [ 49.526153][ T6890] do_el0_svc+0x48/0x58 [ 49.526766][ T6890] el0_svc+0x5c/0x254 [ 49.527326][ T6890] el0t_64_sync_handler+0x84/0x12c [ 49.528071][ T6890] el0t_64_sync+0x198/0x19c [ 49.528705][ T6890] irq event stamp: 932 [ 49.529311][ T6890] hardirqs last enabled at (931): [] ___slab_alloc+0x808/0x127c [ 49.530662][ T6890] hardirqs last disabled at (932): [] el1_brk64+0x20/0x54 [ 49.532003][ T6890] softirqs last enabled at (894): [] local_bh_enable+0x10/0x34 [ 49.533335][ T6890] softirqs last disabled at (892): [] local_bh_disable+0x10/0x34 [ 49.534737][ T6890] ---[ end trace 0000000000000000 ]--- [ 49.544602][ T6891] iommufd_mock iommufd_mock0: Adding to iommu gr ** replaying previous printk message ** [ 49.544602][ T6891] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.545598][ T6891] ------------[ cut here ]------------ [ 49.545605][ T6891] WARNING: CPU: 0 PID: 6891 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.549524][ T6891] Modules linked in: [ 49.550109][ T6891] CPU: 0 UID: 0 PID: 6891 Comm: syz.0.169 Tainted: G W syzkaller #0 PREEMPT [ 49.551613][ T6891] Tainted: [W]=WARN [ 49.552179][ T6891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.553708][ T6891] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.554887][ T6891] pc : iopt_map_pages+0xd7c/0xdcc [ 49.555622][ T6891] lr : iopt_map_pages+0xd7c/0xdcc [ 49.556398][ T6891] sp : ffff80009d9676c0 [ 49.557026][ T6891] x29: ffff80009d9678a0 x28: ffff0000d79df810 x27: 1fffe0001af3bf44 [ 49.558149][ T6891] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.559398][ T6891] x23: ffff0000d79dfa20 x22: ffff0000d79df9f8 x21: 00000000ffffffea [ 49.560589][ T6891] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 49.561833][ T6891] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.563001][ T6891] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.564192][ T6891] x11: ffff0000d0d65c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.565455][ T6891] x8 : ffff0000d0d65c40 x7 : 0000000000000000 x6 : 000000000000003f [ 49.566593][ T6891] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.567831][ T6891] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.569004][ T6891] Call trace: [ 49.569525][ T6891] iopt_map_pages+0xd7c/0xdcc (P) [ 49.570249][ T6891] iopt_map_common+0x204/0x420 [ 49.571055][ T6891] iopt_map_user_pages+0xb4/0xd8 [ 49.571825][ T6891] iommufd_ioas_map+0x2d4/0x3d0 [ 49.572535][ T6891] iommufd_fops_ioctl+0x424/0x54c [ 49.573283][ T6891] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.574069][ T6891] invoke_syscall+0x98/0x254 [ 49.574690][ T6891] el0_svc_common+0xe8/0x23c [ 49.575376][ T6891] do_el0_svc+0x48/0x58 [ 49.575994][ T6891] el0_svc+0x5c/0x254 [ 49.576563][ T6891] el0t_64_sync_handler+0x84/0x12c [ 49.577330][ T6891] el0t_64_sync+0x198/0x19c [ 49.577975][ T6891] irq event stamp: 1018 [ 49.578552][ T6891] hardirqs last enabled at (1017): [] ___slab_alloc+0x808/0x127c [ 49.579865][ T6891] hardirqs last disabled at (1018): [] el1_brk64+0x20/0x54 [ 49.581119][ T6891] softirqs last enabled at (970): [] local_bh_enable+0x10/0x34 [ 49.582418][ T6891] softirqs last disabled at (968): [] local_bh_disable+0x10/0x34 [ 49.583730][ T6891] ---[ end trace 0000000000000000 ]--- [ 49.592966][ T6892] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.594454][ T6892] ------------[ cut here ]------------ [ 49.594464][ T6892] WARNING: CPU: 0 PID: 6892 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.597040][ T6892] Modules linked in: [ 49.597671][ T6892] CPU: 0 UID: 0 PID: 6892 Comm: syz.0.170 Tainted: G W syzkaller #0 PREEMPT [ 49.599170][ T6892] Tainted: [W]=WARN [ 49.599732][ T6892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.601288][ T6892] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.602441][ T6892] pc : iopt_map_pages+0xd7c/0xdcc [ 49.603277][ T6892] lr : iopt_map_pages+0xd7c/0xdcc [ 49.604012][ T6892] sp : ffff80009d9676c0 [ 49.604610][ T6892] x29: ffff80009d9678a0 x28: ffff0000d890d010 x27: 1fffe0001b121a44 [ 49.605814][ T6892] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.606959][ T6892] x23: ffff0000d890d220 x22: ffff0000d890d1f8 x21: 00000000ffffffea [ 49.608117][ T6892] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 49.609245][ T6892] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.610384][ T6892] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.611741][ T6892] x11: ffff0000cf97bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.613050][ T6892] x8 : ffff0000cf97bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 49.614270][ T6892] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.615504][ T6892] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.616681][ T6892] Call trace: [ 49.617148][ T6892] iopt_map_pages+0xd7c/0xdcc (P) [ 49.617961][ T6892] iopt_map_common+0x204/0x420 [ 49.618776][ T6892] iopt_map_user_pages+0xb4/0xd8 [ 49.619730][ T6892] iommufd_ioas_map+0x2d4/0x3d0 [ 49.620537][ T6892] iommufd_fops_ioctl+0x424/0x54c [ 49.621333][ T6892] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.622126][ T6892] invoke_syscall+0x98/0x254 [ 49.622822][ T6892] el0_svc_common+0xe8/0x23c [ 49.623454][ T6892] do_el0_svc+0x48/0x58 [ 49.624046][ T6892] el0_svc+0x5c/0x254 [ 49.624649][ T6892] el0t_64_sync_handler+0x84/0x12c [ 49.625344][ T6892] el0t_64_sync+0x198/0x19c [ 49.626005][ T6892] irq event stamp: 1540 [ 49.626652][ T6892] hardirqs last enabled at (1539): [] ___slab_alloc+0x808/0x127c [ 49.628136][ T6892] hardirqs last disabled at (1540): [] el1_brk64+0x20/0x54 [ 49.629417][ T6892] softirqs last enabled at (1512): [] handle_softirqs+0xaf8/0xc88 [ 49.630847][ T6892] softirqs last disabled at (1505): [] __do_softirq+0x14/0x20 [ 49.632127][ T6892] ---[ end trace 0000000000000000 ]--- [ 49.647657][ T6893] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.649315][ T6893] ------------[ cut here ]------------ [ 49.649325][ T6893] WARNING: CPU: 1 PID: 6893 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.651751][ T6893] Modules linked in: [ 49.652315][ T6893] CPU: 1 UID: 0 PID: 6893 Comm: syz.0.171 Tainted: G W syzkaller #0 PREEMPT [ 49.653978][ T6893] Tainted: [W]=WARN [ 49.654607][ T6893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.656165][ T6893] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.657367][ T6893] pc : iopt_map_pages+0xd7c/0xdcc [ 49.658185][ T6893] lr : iopt_map_pages+0xd7c/0xdcc [ 49.658904][ T6893] sp : ffff80009d9076c0 [ 49.659527][ T6893] x29: ffff80009d9078a0 x28: ffff0000cd9ff810 x27: 1fffe00019b3ff44 [ 49.660818][ T6893] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.662099][ T6893] x23: ffff0000cd9ffa20 x22: ffff0000cd9ff9f8 x21: 00000000ffffffea [ 49.663300][ T6893] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 49.664501][ T6893] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.665699][ T6893] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.666917][ T6893] x11: ffff0000c4bb1ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.668091][ T6893] x8 : ffff0000c4bb1ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 49.669349][ T6893] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.670508][ T6893] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.671683][ T6893] Call trace: [ 49.672173][ T6893] iopt_map_pages+0xd7c/0xdcc (P) [ 49.672942][ T6893] iopt_map_common+0x204/0x420 [ 49.673636][ T6893] iopt_map_user_pages+0xb4/0xd8 [ 49.674366][ T6893] iommufd_ioas_map+0x2d4/0x3d0 [ 49.675067][ T6893] iommufd_fops_ioctl+0x424/0x54c [ 49.675833][ T6893] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.676565][ T6893] invoke_syscall+0x98/0x254 [ 49.677230][ T6893] el0_svc_common+0xe8/0x23c [ 49.677906][ T6893] do_el0_svc+0x48/0x58 [ 49.678553][ T6893] el0_svc+0x5c/0x254 [ 49.679127][ T6893] el0t_64_sync_handler+0x84/0x12c [ 49.679946][ T6893] el0t_64_sync+0x198/0x19c [ 49.680641][ T6893] irq event stamp: 2082 [ 49.681235][ T6893] hardirqs last enabled at (2081): [] kasan_quarantine_put+0x1a0/0x1c8 [ 49.682781][ T6893] hardirqs last disabled at (2082): [] el1_brk64+0x20/0x54 [ 49.684092][ T6893] softirqs last enabled at (2044): [] local_bh_enable+0x10/0x34 [ 49.685533][ T6893] softirqs last disabled at (2042): [] local_bh_disable+0x10/0x34 [ 49.686902][ T6893] ---[ end trace 0000000000000000 ]--- [ 49.694763][ T6894] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.696373][ T6894] ------------[ cut here ]------------ [ 49.696381][ T6894] WARNING: CPU: 1 PID: 6894 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.698705][ T6894] Modules linked in: [ 49.699218][ T6894] CPU: 1 UID: 0 PID: 6894 Comm: syz.0.172 Tainted: G W syzkaller #0 PREEMPT [ 49.700706][ T6894] Tainted: [W]=WARN [ 49.701190][ T6894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.702596][ T6894] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.703716][ T6894] pc : iopt_map_pages+0xd7c/0xdcc [ 49.704429][ T6894] lr : iopt_map_pages+0xd7c/0xdcc [ 49.705165][ T6894] sp : ffff80009d9676c0 [ 49.705793][ T6894] x29: ffff80009d9678a0 x28: ffff0000d684e810 x27: 1fffe0001ad09d44 [ 49.707051][ T6894] x26: ffff80009d967b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.708267][ T6894] x23: ffff0000d684ea20 x22: ffff0000d684e9f8 x21: 00000000ffffffea [ 49.709526][ T6894] x20: dfff800000000000 x19: ffff80009d9679b0 x18: 0000000000000000 [ 49.710795][ T6894] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.712035][ T6894] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.713307][ T6894] x11: ffff0000d965dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.714575][ T6894] x8 : ffff0000d965dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 49.715820][ T6894] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.717089][ T6894] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.718310][ T6894] Call trace: [ 49.718840][ T6894] iopt_map_pages+0xd7c/0xdcc (P) [ 49.719611][ T6894] iopt_map_common+0x204/0x420 [ 49.720321][ T6894] iopt_map_user_pages+0xb4/0xd8 [ 49.721105][ T6894] iommufd_ioas_map+0x2d4/0x3d0 [ 49.721881][ T6894] iommufd_fops_ioctl+0x424/0x54c [ 49.722661][ T6894] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.723424][ T6894] invoke_syscall+0x98/0x254 [ 49.724158][ T6894] el0_svc_common+0xe8/0x23c [ 49.724865][ T6894] do_el0_svc+0x48/0x58 [ 49.725509][ T6894] el0_svc+0x5c/0x254 [ 49.726132][ T6894] el0t_64_sync_handler+0x84/0x12c [ 49.726898][ T6894] el0t_64_sync+0x198/0x19c [ 49.727565][ T6894] irq event stamp: 1410 [ 49.728203][ T6894] hardirqs last enabled at (1409): [] kasan_quarantine_put+0x1a0/0x1c8 [ 49.729762][ T6894] hardirqs last disabled at (1410): [] el1_brk64+0x20/0x54 [ 49.731143][ T6894] softirqs last enabled at (1324): [] handle_softirqs+0xaf8/0xc88 [ 49.732659][ T6894] softirqs last disabled at (777): [] __do_softirq+0x14/0x20 [ 49.734065][ T6894] ---[ end trace 0000000000000000 ]--- [ 49.742592][ T6895] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.745088][ T6895] ------------[ cut here ]------------ [ 49.745097][ T6895] WARNING: CPU: 1 PID: 6895 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.747420][ T6895] Modules linked in: [ 49.748006][ T6895] CPU: 1 UID: 0 PID: 6895 Comm: syz.0.173 Tainted: G W syzkaller #0 PREEMPT [ 49.749495][ T6895] Tainted: [W]=WARN [ 49.750041][ T6895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.751519][ T6895] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.752648][ T6895] pc : iopt_map_pages+0xd7c/0xdcc [ 49.753397][ T6895] lr : iopt_map_pages+0xd7c/0xdcc [ 49.754165][ T6895] sp : ffff80009d8e76c0 [ 49.754795][ T6895] x29: ffff80009d8e78a0 x28: ffff0000d684a810 x27: 1fffe0001ad09544 [ 49.756083][ T6895] x26: ffff80009d8e7b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.757291][ T6895] x23: ffff0000d684aa20 x22: ffff0000d684a9f8 x21: 00000000ffffffea [ 49.758486][ T6895] x20: dfff800000000000 x19: ffff80009d8e79b0 x18: 0000000000000000 [ 49.759674][ T6895] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.760874][ T6895] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.762040][ T6895] x11: ffff0000c661bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.763244][ T6895] x8 : ffff0000c661bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 49.764419][ T6895] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.765684][ T6895] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.766856][ T6895] Call trace: [ 49.767301][ T6895] iopt_map_pages+0xd7c/0xdcc (P) [ 49.768007][ T6895] iopt_map_common+0x204/0x420 [ 49.768726][ T6895] iopt_map_user_pages+0xb4/0xd8 [ 49.769429][ T6895] iommufd_ioas_map+0x2d4/0x3d0 [ 49.770120][ T6895] iommufd_fops_ioctl+0x424/0x54c [ 49.770834][ T6895] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.771666][ T6895] invoke_syscall+0x98/0x254 [ 49.772484][ T6895] el0_svc_common+0xe8/0x23c [ 49.773214][ T6895] do_el0_svc+0x48/0x58 [ 49.773891][ T6895] el0_svc+0x5c/0x254 [ 49.774577][ T6895] el0t_64_sync_handler+0x84/0x12c [ 49.775411][ T6895] el0t_64_sync+0x198/0x19c [ 49.776158][ T6895] irq event stamp: 896 [ 49.776782][ T6895] hardirqs last enabled at (895): [] kasan_quarantine_put+0x1a0/0x1c8 [ 49.778385][ T6895] hardirqs last disabled at (896): [] el1_brk64+0x20/0x54 [ 49.779736][ T6895] softirqs last enabled at (862): [] local_bh_enable+0x10/0x34 [ 49.781293][ T6895] softirqs last disabled at (860): [] local_bh_disable+0x10/0x34 [ 49.782816][ T6895] ---[ end trace 0000000000000000 ]--- [ 49.792709][ T6896] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.794074][ T6896] ------------[ cut here ]------------ [ 49.794085][ T6896] WARNING: CPU: 0 PID: 6896 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.796665][ T6896] Modules linked in: [ 49.797314][ T6896] CPU: 0 UID: 0 PID: 6896 Comm: syz.0.174 Tainted: G W syzkaller #0 PREEMPT [ 49.798771][ T6896] Tainted: [W]=WARN [ 49.799342][ T6896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.800854][ T6896] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.802038][ T6896] pc : iopt_map_pages+0xd7c/0xdcc [ 49.802812][ T6896] lr : iopt_map_pages+0xd7c/0xdcc [ 49.803558][ T6896] sp : ffff80009d8c76c0 [ 49.804149][ T6896] x29: ffff80009d8c78a0 x28: ffff0000d684f810 x27: 1fffe0001ad09f44 [ 49.805327][ T6896] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.806512][ T6896] x23: ffff0000d684fa20 x22: ffff0000d684f9f8 x21: 00000000ffffffea [ 49.807738][ T6896] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 49.808909][ T6896] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.810071][ T6896] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.811226][ T6896] x11: ffff0000d8a18000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.812528][ T6896] x8 : ffff0000d8a18000 x7 : 0000000000000000 x6 : 000000000000003f [ 49.813682][ T6896] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.814892][ T6896] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.816123][ T6896] Call trace: [ 49.816593][ T6896] iopt_map_pages+0xd7c/0xdcc (P) [ 49.817333][ T6896] iopt_map_common+0x204/0x420 [ 49.818011][ T6896] iopt_map_user_pages+0xb4/0xd8 [ 49.818742][ T6896] iommufd_ioas_map+0x2d4/0x3d0 [ 49.819360][ T6896] iommufd_fops_ioctl+0x424/0x54c [ 49.820087][ T6896] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.820796][ T6896] invoke_syscall+0x98/0x254 [ 49.821451][ T6896] el0_svc_common+0xe8/0x23c [ 49.822093][ T6896] do_el0_svc+0x48/0x58 [ 49.822682][ T6896] el0_svc+0x5c/0x254 [ 49.823305][ T6896] el0t_64_sync_handler+0x84/0x12c [ 49.824024][ T6896] el0t_64_sync+0x198/0x19c [ 49.824641][ T6896] irq event stamp: 860 [ 49.825236][ T6896] hardirqs last enabled at (859): [] ___slab_alloc+0x808/0x127c [ 49.826594][ T6896] hardirqs last disabled at (860): [] el1_brk64+0x20/0x54 [ 49.827787][ T6896] softirqs last enabled at (814): [] local_bh_enable+0x10/0x34 [ 49.829065][ T6896] softirqs last disabled at (812): [] local_bh_disable+0x10/0x34 [ 49.830293][ T6896] ---[ end trace 0000000000000000 ]--- [ 49.839020][ T6897] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.840424][ T6897] ------------[ cut here ]------------ [ 49.840435][ T6897] WARNING: CPU: 0 PID: 6897 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.842854][ T6897] Modules linked in: [ 49.843513][ T6897] CPU: 0 UID: 0 PID: 6897 Comm: syz.0.175 Tainted: G W syzkaller #0 PREEMPT [ 49.845063][ T6897] Tainted: [W]=WARN [ 49.845668][ T6897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.847127][ T6897] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.848350][ T6897] pc : iopt_map_pages+0xd7c/0xdcc [ 49.849092][ T6897] lr : iopt_map_pages+0xd7c/0xdcc [ 49.849844][ T6897] sp : ffff80009d8c76c0 [ 49.850472][ T6897] x29: ffff80009d8c78a0 x28: ffff0000d684d810 x27: 1fffe0001ad09b44 [ 49.851708][ T6897] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.852961][ T6897] x23: ffff0000d684da20 x22: ffff0000d684d9f8 x21: 00000000ffffffea [ 49.854109][ T6897] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 49.855353][ T6897] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.856555][ T6897] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.858051][ T6897] x11: ffff0000d3879ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.859450][ T6897] x8 : ffff0000d3879ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 49.860886][ T6897] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.862224][ T6897] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.863451][ T6897] Call trace: [ 49.864000][ T6897] iopt_map_pages+0xd7c/0xdcc (P) [ 49.864734][ T6897] iopt_map_common+0x204/0x420 [ 49.865488][ T6897] iopt_map_user_pages+0xb4/0xd8 [ 49.866247][ T6897] iommufd_ioas_map+0x2d4/0x3d0 [ 49.867234][ T6897] iommufd_fops_ioctl+0x424/0x54c [ 49.868039][ T6897] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.868794][ T6897] invoke_syscall+0x98/0x254 [ 49.869506][ T6897] el0_svc_common+0xe8/0x23c [ 49.870256][ T6897] do_el0_svc+0x48/0x58 [ 49.870880][ T6897] el0_svc+0x5c/0x254 [ 49.871529][ T6897] el0t_64_sync_handler+0x84/0x12c [ 49.872315][ T6897] el0t_64_sync+0x198/0x19c [ 49.873006][ T6897] irq event stamp: 1312 [ 49.873711][ T6897] hardirqs last enabled at (1311): [] kasan_quarantine_put+0x1a0/0x1c8 [ 49.875205][ T6897] hardirqs last disabled at (1312): [] el1_brk64+0x20/0x54 [ 49.876411][ T6897] softirqs last enabled at (1274): [] local_bh_enable+0x10/0x34 [ 49.877875][ T6897] softirqs last disabled at (1272): [] local_bh_disable+0x10/0x34 [ 49.879294][ T6897] ---[ end trace 0000000000000000 ]--- [ 49.889603][ T6898] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.891046][ T6898] ------------[ cut here ]------------ [ 49.891057][ T6898] WARNING: CPU: 0 PID: 6898 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.893752][ T6898] Modules linked in: [ 49.894413][ T6898] CPU: 0 UID: 0 PID: 6898 Comm: syz.0.176 Tainted: G W syzkaller #0 PREEMPT [ 49.896085][ T6898] Tainted: [W]=WARN [ 49.896732][ T6898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.898326][ T6898] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.899551][ T6898] pc : iopt_map_pages+0xd7c/0xdcc [ 49.900315][ T6898] lr : iopt_map_pages+0xd7c/0xdcc [ 49.901117][ T6898] sp : ffff80009d8c76c0 [ 49.901795][ T6898] x29: ffff80009d8c78a0 x28: ffff0000d6849010 x27: 1fffe0001ad09244 [ 49.902966][ T6898] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.904160][ T6898] x23: ffff0000d6849220 x22: ffff0000d68491f8 x21: 00000000ffffffea [ 49.905372][ T6898] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 49.906569][ T6898] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.907754][ T6898] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.908990][ T6898] x11: ffff0000d3878000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.910121][ T6898] x8 : ffff0000d3878000 x7 : 0000000000000000 x6 : 000000000000003f [ 49.911284][ T6898] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.912422][ T6898] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.913576][ T6898] Call trace: [ 49.914011][ T6898] iopt_map_pages+0xd7c/0xdcc (P) [ 49.914709][ T6898] iopt_map_common+0x204/0x420 [ 49.915581][ T6898] iopt_map_user_pages+0xb4/0xd8 [ 49.916387][ T6898] iommufd_ioas_map+0x2d4/0x3d0 [ 49.917202][ T6898] iommufd_fops_ioctl+0x424/0x54c [ 49.918000][ T6898] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.918811][ T6898] invoke_syscall+0x98/0x254 [ 49.919490][ T6898] el0_svc_common+0xe8/0x23c [ 49.920228][ T6898] do_el0_svc+0x48/0x58 [ 49.920952][ T6898] el0_svc+0x5c/0x254 [ 49.921591][ T6898] el0t_64_sync_handler+0x84/0x12c [ 49.922439][ T6898] el0t_64_sync+0x198/0x19c [ 49.923120][ T6898] irq event stamp: 880 [ 49.923775][ T6898] hardirqs last enabled at (879): [] kasan_quarantine_put+0x1a0/0x1c8 [ 49.925165][ T6898] hardirqs last disabled at (880): [] el1_brk64+0x20/0x54 [ 49.926521][ T6898] softirqs last enabled at (842): [] local_bh_enable+0x10/0x34 [ 49.927885][ T6898] softirqs last disabled at (840): [] local_bh_disable+0x10/0x34 [ 49.929356][ T6898] ---[ end trace 0000000000000000 ]--- [ 49.938376][ T6899] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.939781][ T6899] ------------[ cut here ]------------ [ 49.939792][ T6899] WARNING: CPU: 0 PID: 6899 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.942467][ T6899] Modules linked in: [ 49.943185][ T6899] CPU: 0 UID: 0 PID: 6899 Comm: syz.0.177 Tainted: G W syzkaller #0 PREEMPT [ 49.944794][ T6899] Tainted: [W]=WARN [ 49.945366][ T6899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.946866][ T6899] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.948082][ T6899] pc : iopt_map_pages+0xd7c/0xdcc [ 49.948884][ T6899] lr : iopt_map_pages+0xd7c/0xdcc [ 49.949644][ T6899] sp : ffff80009d8c76c0 [ 49.950212][ T6899] x29: ffff80009d8c78a0 x28: ffff0000d684b010 x27: 1fffe0001ad09644 [ 49.951267][ T6899] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.952370][ T6899] x23: ffff0000d684b220 x22: ffff0000d684b1f8 x21: 00000000ffffffea [ 49.953596][ T6899] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 49.954763][ T6899] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 49.955967][ T6899] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 49.957323][ T6899] x11: ffff0000cb8e5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 49.958549][ T6899] x8 : ffff0000cb8e5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 49.959744][ T6899] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 49.960938][ T6899] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 49.962058][ T6899] Call trace: [ 49.962538][ T6899] iopt_map_pages+0xd7c/0xdcc (P) [ 49.963391][ T6899] iopt_map_common+0x204/0x420 [ 49.964224][ T6899] iopt_map_user_pages+0xb4/0xd8 [ 49.965083][ T6899] iommufd_ioas_map+0x2d4/0x3d0 [ 49.965916][ T6899] iommufd_fops_ioctl+0x424/0x54c [ 49.966725][ T6899] __arm64_sys_ioctl+0x14c/0x1c4 [ 49.967509][ T6899] invoke_syscall+0x98/0x254 [ 49.968266][ T6899] el0_svc_common+0xe8/0x23c [ 49.969000][ T6899] do_el0_svc+0x48/0x58 [ 49.969638][ T6899] el0_svc+0x5c/0x254 [ 49.970286][ T6899] el0t_64_sync_handler+0x84/0x12c [ 49.971090][ T6899] el0t_64_sync+0x198/0x19c [ 49.971774][ T6899] irq event stamp: 850 [ 49.972353][ T6899] hardirqs last enabled at (849): [] kasan_quarantine_put+0x1a0/0x1c8 [ 49.973903][ T6899] hardirqs last disabled at (850): [] el1_brk64+0x20/0x54 [ 49.975229][ T6899] softirqs last enabled at (810): [] local_bh_enable+0x10/0x34 [ 49.976621][ T6899] softirqs last disabled at (808): [] local_bh_disable+0x10/0x34 [ 49.978061][ T6899] ---[ end trace 0000000000000000 ]--- [ 49.986328][ T6900] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 49.987707][ T6900] ------------[ cut here ]------------ [ 49.987718][ T6900] WARNING: CPU: 0 PID: 6900 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 49.990107][ T6900] Modules linked in: [ 49.990705][ T6900] CPU: 0 UID: 0 PID: 6900 Comm: syz.0.178 Tainted: G W syzkaller #0 PREEMPT [ 49.992297][ T6900] Tainted: [W]=WARN [ 49.992865][ T6900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.994433][ T6900] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.995545][ T6900] pc : iopt_map_pages+0xd7c/0xdcc [ 49.996293][ T6900] lr : iopt_map_pages+0xd7c/0xdcc [ 49.997022][ T6900] sp : ffff80009d8c76c0 [ 49.997605][ T6900] x29: ffff80009d8c78a0 x28: ffff0000cdcee810 x27: 1fffe00019b9dd44 [ 49.998811][ T6900] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 49.999886][ T6900] x23: ffff0000cdceea20 x22: ffff0000cdcee9f8 x21: 00000000ffffffea [ 50.001042][ T6900] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.002224][ T6900] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.003372][ T6900] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.004506][ T6900] x11: ffff0000d3475c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.005706][ T6900] x8 : ffff0000d3475c40 x7 : 0000000000000000 x6 : 000000000000003f [ 50.006883][ T6900] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.008104][ T6900] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.009275][ T6900] Call trace: [ 50.009755][ T6900] iopt_map_pages+0xd7c/0xdcc (P) [ 50.010449][ T6900] iopt_map_common+0x204/0x420 [ 50.011131][ T6900] iopt_map_user_pages+0xb4/0xd8 [ 50.011886][ T6900] iommufd_ioas_map+0x2d4/0x3d0 [ 50.012570][ T6900] iommufd_fops_ioctl+0x424/0x54c [ 50.013283][ T6900] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.013980][ T6900] invoke_syscall+0x98/0x254 [ 50.014701][ T6900] el0_svc_common+0xe8/0x23c [ 50.015352][ T6900] do_el0_svc+0x48/0x58 [ 50.015986][ T6900] el0_svc+0x5c/0x254 [ 50.016577][ T6900] el0t_64_sync_handler+0x84/0x12c [ 50.017302][ T6900] el0t_64_sync+0x198/0x19c [ 50.017955][ T6900] irq event stamp: 1038 [ 50.018536][ T6900] hardirqs last enabled at (1037): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.019982][ T6900] hardirqs last disabled at (1038): [] el1_brk64+0x20/0x54 [ 50.021279][ T6900] softirqs last enabled at (1004): [] local_bh_enable+0x10/0x34 [ 50.022642][ T6900] softirqs last disabled at (1002): [] local_bh_disable+0x10/0x34 [ 50.024017][ T6900] ---[ end trace 0000000000000000 ]--- [ 50.033005][ T6901] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.036246][ T6901] ------------[ cut here ]------------ [ 50.036256][ T6901] WARNING: CPU: 0 PID: 6901 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.038651][ T6901] Modules linked in: [ 50.039265][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.0.179 Tainted: G W syzkaller #0 PREEMPT [ 50.040903][ T6901] Tainted: [W]=WARN [ 50.041444][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.042983][ T6901] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.044212][ T6901] pc : iopt_map_pages+0xd7c/0xdcc [ 50.044970][ T6901] lr : iopt_map_pages+0xd7c/0xdcc [ 50.045746][ T6901] sp : ffff80009d8c76c0 [ 50.046428][ T6901] x29: ffff80009d8c78a0 x28: ffff0000cdcef010 x27: 1fffe00019b9de44 [ 50.047616][ T6901] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.048884][ T6901] x23: ffff0000cdcef220 x22: ffff0000cdcef1f8 x21: 00000000ffffffea [ 50.050139][ T6901] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 1fffe000337d4a90 [ 50.051305][ T6901] x17: ffff80008f5ae000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.052522][ T6901] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.053730][ T6901] x11: ffff0000cb71dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.055037][ T6901] x8 : ffff0000cb71dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 50.056238][ T6901] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.057502][ T6901] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.058809][ T6901] Call trace: [ 50.059279][ T6901] iopt_map_pages+0xd7c/0xdcc (P) [ 50.060017][ T6901] iopt_map_common+0x204/0x420 [ 50.060761][ T6901] iopt_map_user_pages+0xb4/0xd8 [ 50.061444][ T6901] iommufd_ioas_map+0x2d4/0x3d0 [ 50.062127][ T6901] iommufd_fops_ioctl+0x424/0x54c [ 50.062851][ T6901] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.063566][ T6901] invoke_syscall+0x98/0x254 [ 50.064221][ T6901] el0_svc_common+0xe8/0x23c [ 50.064865][ T6901] do_el0_svc+0x48/0x58 [ 50.065504][ T6901] el0_svc+0x5c/0x254 [ 50.066117][ T6901] el0t_64_sync_handler+0x84/0x12c [ 50.066846][ T6901] el0t_64_sync+0x198/0x19c [ 50.067566][ T6901] irq event stamp: 2612 [ 50.068162][ T6901] hardirqs last enabled at (2611): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.069603][ T6901] hardirqs last disabled at (2612): [] el1_brk64+0x20/0x54 [ 50.070908][ T6901] softirqs last enabled at (2596): [] handle_softirqs+0xaf8/0xc88 [ 50.072332][ T6901] softirqs last disabled at (1371): [] __do_softirq+0x14/0x20 [ 50.073649][ T6901] ---[ end trace 0000000000000000 ]--- [ 50.082867][ T6902] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.084307][ T6902] ------------[ cut here ]------------ [ 50.084318][ T6902] WARNING: CPU: 0 PID: 6902 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.086841][ T6902] Modules linked in: [ 50.087481][ T6902] CPU: 0 UID: 0 PID: 6902 Comm: syz.0.180 Tainted: G W syzkaller #0 PREEMPT [ 50.089016][ T6902] Tainted: [W]=WARN [ 50.089613][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.091105][ T6902] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.092265][ T6902] pc : iopt_map_pages+0xd7c/0xdcc [ 50.092985][ T6902] lr : iopt_map_pages+0xd7c/0xdcc [ 50.093681][ T6902] sp : ffff80009d8c76c0 [ 50.094300][ T6902] x29: ffff80009d8c78a0 x28: ffff0000cdced010 x27: 1fffe00019b9da44 [ 50.095473][ T6902] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.096638][ T6902] x23: ffff0000cdced220 x22: ffff0000cdced1f8 x21: 00000000ffffffea [ 50.097849][ T6902] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.099109][ T6902] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.100324][ T6902] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.101460][ T6902] x11: ffff0000cb718000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.102593][ T6902] x8 : ffff0000cb718000 x7 : 0000000000000000 x6 : 000000000000003f [ 50.103806][ T6902] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.104950][ T6902] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.106098][ T6902] Call trace: [ 50.106607][ T6902] iopt_map_pages+0xd7c/0xdcc (P) [ 50.107403][ T6902] iopt_map_common+0x204/0x420 [ 50.108067][ T6902] iopt_map_user_pages+0xb4/0xd8 [ 50.108808][ T6902] iommufd_ioas_map+0x2d4/0x3d0 [ 50.109513][ T6902] iommufd_fops_ioctl+0x424/0x54c [ 50.110196][ T6902] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.110906][ T6902] invoke_syscall+0x98/0x254 [ 50.111676][ T6902] el0_svc_common+0xe8/0x23c [ 50.112432][ T6902] do_el0_svc+0x48/0x58 [ 50.113102][ T6902] el0_svc+0x5c/0x254 [ 50.113748][ T6902] el0t_64_sync_handler+0x84/0x12c [ 50.114537][ T6902] el0t_64_sync+0x198/0x19c [ 50.115210][ T6902] irq event stamp: 852 [ 50.115857][ T6902] hardirqs last enabled at (851): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.117411][ T6902] hardirqs last disabled at (852): [] el1_brk64+0x20/0x54 [ 50.118622][ T6902] softirqs last enabled at (818): [] local_bh_enable+0x10/0x34 [ 50.120025][ T6902] softirqs last disabled at (816): [] local_bh_disable+0x10/0x34 [ 50.121243][ T6902] ---[ end trace 0000000000000000 ]--- [ 50.131304][ T6903] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.132657][ T6903] ------------[ cut here ]------------ [ 50.132669][ T6903] WARNING: CPU: 0 PID: 6903 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.135216][ T6903] Modules linked in: [ 50.135780][ T6903] CPU: 0 UID: 0 PID: 6903 Comm: syz.0.181 Tainted: G W syzkaller #0 PREEMPT [ 50.137254][ T6903] Tainted: [W]=WARN [ 50.137782][ T6903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.139303][ T6903] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.140493][ T6903] pc : iopt_map_pages+0xd7c/0xdcc [ 50.141209][ T6903] lr : iopt_map_pages+0xd7c/0xdcc [ 50.141938][ T6903] sp : ffff80009d8c76c0 [ 50.142623][ T6903] x29: ffff80009d8c78a0 x28: ffff0000cf800810 x27: 1fffe00019f00144 [ 50.143891][ T6903] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.145119][ T6903] x23: ffff0000cf800a20 x22: ffff0000cf8009f8 x21: 00000000ffffffea [ 50.146360][ T6903] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.147481][ T6903] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.148597][ T6903] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.149725][ T6903] x11: ffff0000cb719ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.150925][ T6903] x8 : ffff0000cb719ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 50.152040][ T6903] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.153255][ T6903] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.154451][ T6903] Call trace: [ 50.154964][ T6903] iopt_map_pages+0xd7c/0xdcc (P) [ 50.155775][ T6903] iopt_map_common+0x204/0x420 [ 50.156446][ T6903] iopt_map_user_pages+0xb4/0xd8 [ 50.157173][ T6903] iommufd_ioas_map+0x2d4/0x3d0 [ 50.157861][ T6903] iommufd_fops_ioctl+0x424/0x54c [ 50.158603][ T6903] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.159304][ T6903] invoke_syscall+0x98/0x254 [ 50.159970][ T6903] el0_svc_common+0xe8/0x23c [ 50.160638][ T6903] do_el0_svc+0x48/0x58 [ 50.161277][ T6903] el0_svc+0x5c/0x254 [ 50.161893][ T6903] el0t_64_sync_handler+0x84/0x12c [ 50.162631][ T6903] el0t_64_sync+0x198/0x19c [ 50.163306][ T6903] irq event stamp: 1652 [ 50.163944][ T6903] hardirqs last enabled at (1651): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.165474][ T6903] hardirqs last disabled at (1652): [] el1_brk64+0x20/0x54 [ 50.166893][ T6903] softirqs last enabled at (1612): [] local_bh_enable+0x10/0x34 [ 50.168264][ T6903] softirqs last disabled at (1610): [] local_bh_disable+0x10/0x34 [ 50.169606][ T6903] ---[ end trace 0000000000000000 ]--- [ 50.177236][ T6904] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.178576][ T6904] ------------[ cut here ]------------ [ 50.178586][ T6904] WARNING: CPU: 0 PID: 6904 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.180890][ T6904] Modules linked in: [ 50.181520][ T6904] CPU: 0 UID: 0 PID: 6904 Comm: syz.0.182 Tainted: G W syzkaller #0 PREEMPT [ 50.182974][ T6904] Tainted: [W]=WARN [ 50.183541][ T6904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.185119][ T6904] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.186334][ T6904] pc : iopt_map_pages+0xd7c/0xdcc [ 50.187067][ T6904] lr : iopt_map_pages+0xd7c/0xdcc [ 50.187773][ T6904] sp : ffff80009d8c76c0 [ 50.188356][ T6904] x29: ffff80009d8c78a0 x28: ffff0000cc5b2810 x27: 1fffe000198b6544 [ 50.189538][ T6904] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.190726][ T6904] x23: ffff0000cc5b2a20 x22: ffff0000cc5b29f8 x21: 00000000ffffffea [ 50.191856][ T6904] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.193117][ T6904] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.194257][ T6904] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.195465][ T6904] x11: ffff0000d0189ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.196727][ T6904] x8 : ffff0000d0189ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 50.197880][ T6904] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.199037][ T6904] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.200228][ T6904] Call trace: [ 50.200671][ T6904] iopt_map_pages+0xd7c/0xdcc (P) [ 50.201397][ T6904] iopt_map_common+0x204/0x420 [ 50.202080][ T6904] iopt_map_user_pages+0xb4/0xd8 [ 50.202818][ T6904] iommufd_ioas_map+0x2d4/0x3d0 [ 50.203526][ T6904] iommufd_fops_ioctl+0x424/0x54c [ 50.204258][ T6904] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.204952][ T6904] invoke_syscall+0x98/0x254 [ 50.205602][ T6904] el0_svc_common+0xe8/0x23c [ 50.206217][ T6904] do_el0_svc+0x48/0x58 [ 50.206810][ T6904] el0_svc+0x5c/0x254 [ 50.207415][ T6904] el0t_64_sync_handler+0x84/0x12c [ 50.208164][ T6904] el0t_64_sync+0x198/0x19c [ 50.208766][ T6904] irq event stamp: 848 [ 50.209355][ T6904] hardirqs last enabled at (847): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.210808][ T6904] hardirqs last disabled at (848): [] el1_brk64+0x20/0x54 [ 50.212074][ T6904] softirqs last enabled at (808): [] local_bh_enable+0x10/0x34 [ 50.213438][ T6904] softirqs last disabled at (806): [] local_bh_disable+0x10/0x34 [ 50.214886][ T6904] ---[ end trace 0000000000000000 ]--- [ 50.225800][ T6905] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.227231][ T6905] ------------[ cut here ]------------ [ 50.227242][ T6905] WARNING: CPU: 0 PID: 6905 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.229775][ T6905] Modules linked in: [ 50.230380][ T6905] CPU: 0 UID: 0 PID: 6905 Comm: syz.0.183 Tainted: G W syzkaller #0 PREEMPT [ 50.231836][ T6905] Tainted: [W]=WARN [ 50.232403][ T6905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.233983][ T6905] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.235252][ T6905] pc : iopt_map_pages+0xd7c/0xdcc [ 50.236037][ T6905] lr : iopt_map_pages+0xd7c/0xdcc [ 50.236836][ T6905] sp : ffff80009d8c76c0 [ 50.237471][ T6905] x29: ffff80009d8c78a0 x28: ffff0000ccf11810 x27: 1fffe000199e2344 [ 50.238821][ T6905] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.240081][ T6905] x23: ffff0000ccf11a20 x22: ffff0000ccf119f8 x21: 00000000ffffffea [ 50.241343][ T6905] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.242545][ T6905] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.243682][ T6905] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.244797][ T6905] x11: ffff0000d018bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.246022][ T6905] x8 : ffff0000d018bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 50.247200][ T6905] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.248422][ T6905] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.249628][ T6905] Call trace: [ 50.250089][ T6905] iopt_map_pages+0xd7c/0xdcc (P) [ 50.250926][ T6905] iopt_map_common+0x204/0x420 [ 50.251675][ T6905] iopt_map_user_pages+0xb4/0xd8 [ 50.252442][ T6905] iommufd_ioas_map+0x2d4/0x3d0 [ 50.253166][ T6905] iommufd_fops_ioctl+0x424/0x54c [ 50.253892][ T6905] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.254643][ T6905] invoke_syscall+0x98/0x254 [ 50.255311][ T6905] el0_svc_common+0xe8/0x23c [ 50.255969][ T6905] do_el0_svc+0x48/0x58 [ 50.256605][ T6905] el0_svc+0x5c/0x254 [ 50.257253][ T6905] el0t_64_sync_handler+0x84/0x12c [ 50.257995][ T6905] el0t_64_sync+0x198/0x19c [ 50.258695][ T6905] irq event stamp: 2816 [ 50.259270][ T6905] hardirqs last enabled at (2815): [] ___slab_alloc+0x808/0x127c [ 50.260618][ T6905] hardirqs last disabled at (2816): [] el1_brk64+0x20/0x54 [ 50.261859][ T6905] softirqs last enabled at (2778): [] local_bh_enable+0x10/0x34 [ 50.263169][ T6905] softirqs last disabled at (2776): [] local_bh_disable+0x10/0x34 [ 50.264570][ T6905] ---[ end trace 0000000000000000 ]--- [ 50.274105][ T6906] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.275510][ T6906] ------------[ cut here ]------------ [ 50.275522][ T6906] WARNING: CPU: 0 PID: 6906 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.277968][ T6906] Modules linked in: [ 50.278521][ T6906] CPU: 0 UID: 0 PID: 6906 Comm: syz.0.184 Tainted: G W syzkaller #0 PREEMPT [ 50.280020][ T6906] Tainted: [W]=WARN [ 50.280534][ T6906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.282254][ T6906] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.283428][ T6906] pc : iopt_map_pages+0xd7c/0xdcc [ 50.284210][ T6906] lr : iopt_map_pages+0xd7c/0xdcc [ 50.284944][ T6906] sp : ffff80009d8c76c0 [ 50.285529][ T6906] x29: ffff80009d8c78a0 x28: ffff0000ccf14810 x27: 1fffe000199e2944 [ 50.286724][ T6906] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.287906][ T6906] x23: ffff0000ccf14a20 x22: ffff0000ccf149f8 x21: 00000000ffffffea [ 50.289046][ T6906] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.290237][ T6906] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.291363][ T6906] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.292546][ T6906] x11: ffff0000d018dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.293747][ T6906] x8 : ffff0000d018dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 50.294921][ T6906] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.296120][ T6906] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.297280][ T6906] Call trace: [ 50.297760][ T6906] iopt_map_pages+0xd7c/0xdcc (P) [ 50.298492][ T6906] iopt_map_common+0x204/0x420 [ 50.299114][ T6906] iopt_map_user_pages+0xb4/0xd8 [ 50.299807][ T6906] iommufd_ioas_map+0x2d4/0x3d0 [ 50.300477][ T6906] iommufd_fops_ioctl+0x424/0x54c [ 50.301182][ T6906] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.301858][ T6906] invoke_syscall+0x98/0x254 [ 50.302533][ T6906] el0_svc_common+0xe8/0x23c [ 50.303179][ T6906] do_el0_svc+0x48/0x58 [ 50.303773][ T6906] el0_svc+0x5c/0x254 [ 50.304379][ T6906] el0t_64_sync_handler+0x84/0x12c [ 50.305165][ T6906] el0t_64_sync+0x198/0x19c [ 50.305834][ T6906] irq event stamp: 896 [ 50.306435][ T6906] hardirqs last enabled at (895): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.307830][ T6906] hardirqs last disabled at (896): [] el1_brk64+0x20/0x54 [ 50.309072][ T6906] softirqs last enabled at (862): [] local_bh_enable+0x10/0x34 [ 50.310393][ T6906] softirqs last disabled at (860): [] local_bh_disable+0x10/0x34 [ 50.311690][ T6906] ---[ end trace 0000000000000000 ]--- [ 50.320864][ T6907] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.322244][ T6907] ------------[ cut here ]------------ [ 50.322256][ T6907] WARNING: CPU: 0 PID: 6907 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.324641][ T6907] Modules linked in: [ 50.325234][ T6907] CPU: 0 UID: 0 PID: 6907 Comm: syz.0.185 Tainted: G W syzkaller #0 PREEMPT [ 50.326785][ T6907] Tainted: [W]=WARN [ 50.327331][ T6907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.328771][ T6907] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.329923][ T6907] pc : iopt_map_pages+0xd7c/0xdcc [ 50.330684][ T6907] lr : iopt_map_pages+0xd7c/0xdcc [ 50.331401][ T6907] sp : ffff80009d8c76c0 [ 50.332021][ T6907] x29: ffff80009d8c78a0 x28: ffff0000ccf17810 x27: 1fffe000199e2f44 [ 50.333241][ T6907] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.334442][ T6907] x23: ffff0000ccf17a20 x22: ffff0000ccf179f8 x21: 00000000ffffffea [ 50.335583][ T6907] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.336712][ T6907] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.337863][ T6907] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.339137][ T6907] x11: ffff0000d72c8000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.340257][ T6907] x8 : ffff0000d72c8000 x7 : 0000000000000000 x6 : 000000000000003f [ 50.341454][ T6907] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.342717][ T6907] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.343857][ T6907] Call trace: [ 50.344364][ T6907] iopt_map_pages+0xd7c/0xdcc (P) [ 50.345141][ T6907] iopt_map_common+0x204/0x420 [ 50.345852][ T6907] iopt_map_user_pages+0xb4/0xd8 [ 50.346488][ T6907] iommufd_ioas_map+0x2d4/0x3d0 [ 50.347233][ T6907] iommufd_fops_ioctl+0x424/0x54c [ 50.348069][ T6907] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.348859][ T6907] invoke_syscall+0x98/0x254 [ 50.349552][ T6907] el0_svc_common+0xe8/0x23c [ 50.350286][ T6907] do_el0_svc+0x48/0x58 [ 50.350927][ T6907] el0_svc+0x5c/0x254 [ 50.351491][ T6907] el0t_64_sync_handler+0x84/0x12c [ 50.352219][ T6907] el0t_64_sync+0x198/0x19c [ 50.352912][ T6907] irq event stamp: 1484 [ 50.353549][ T6907] hardirqs last enabled at (1483): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.355070][ T6907] hardirqs last disabled at (1484): [] el1_brk64+0x20/0x54 [ 50.356438][ T6907] softirqs last enabled at (1450): [] local_bh_enable+0x10/0x34 [ 50.357753][ T6907] softirqs last disabled at (1448): [] local_bh_disable+0x10/0x34 [ 50.359169][ T6907] ---[ end trace 0000000000000000 ]--- [ 50.368437][ T69 ** replaying previous printk message ** [ 50.368437][ T6908] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.368768][ T6908] ------------[ cut here ]------------ [ 50.368773][ T6908] WARNING: CPU: 0 PID: 6908 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.372961][ T6908] Modules linked in: [ 50.373603][ T6908] CPU: 0 UID: 0 PID: 6908 Comm: syz.0.186 Tainted: G W syzkaller #0 PREEMPT [ 50.375130][ T6908] Tainted: [W]=WARN [ 50.375702][ T6908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.377256][ T6908] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.378414][ T6908] pc : iopt_map_pages+0xd7c/0xdcc [ 50.379173][ T6908] lr : iopt_map_pages+0xd7c/0xdcc [ 50.379915][ T6908] sp : ffff80009d9076c0 [ 50.380580][ T6908] x29: ffff80009d9078a0 x28: ffff0000cd9f9810 x27: 1fffe00019b3f344 [ 50.381853][ T6908] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.383045][ T6908] x23: ffff0000cd9f9a20 x22: ffff0000cd9f99f8 x21: 00000000ffffffea [ 50.384227][ T6908] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 50.385330][ T6908] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.386509][ T6908] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.387713][ T6908] x11: ffff0000c35e3d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.388997][ T6908] x8 : ffff0000c35e3d80 x7 : 0000000000000000 x6 : 000000000000003f [ 50.390149][ T6908] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.391290][ T6908] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.392443][ T6908] Call trace: [ 50.392914][ T6908] iopt_map_pages+0xd7c/0xdcc (P) [ 50.393763][ T6908] iopt_map_common+0x204/0x420 [ 50.394495][ T6908] iopt_map_user_pages+0xb4/0xd8 [ 50.395344][ T6908] iommufd_ioas_map+0x2d4/0x3d0 [ 50.396149][ T6908] iommufd_fops_ioctl+0x424/0x54c [ 50.396949][ T6908] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.397765][ T6908] invoke_syscall+0x98/0x254 [ 50.398460][ T6908] el0_svc_common+0xe8/0x23c [ 50.399214][ T6908] do_el0_svc+0x48/0x58 [ 50.399879][ T6908] el0_svc+0x5c/0x254 [ 50.400507][ T6908] el0t_64_sync_handler+0x84/0x12c [ 50.401354][ T6908] el0t_64_sync+0x198/0x19c [ 50.402080][ T6908] irq event stamp: 850 [ 50.402662][ T6908] hardirqs last enabled at (849): [] ___slab_alloc+0x808/0x127c [ 50.404001][ T6908] hardirqs last disabled at (850): [] el1_brk64+0x20/0x54 [ 50.405319][ T6908] softirqs last enabled at (142): [] local_bh_enable+0x10/0x34 [ 50.406659][ T6908] softirqs last disabled at (140): [] local_bh_disable+0x10/0x34 [ 50.408035][ T6908] ---[ end trace 0000000000000000 ]--- [ 50.416181][ T6909] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.417626][ T6909] ------------[ cut here ]------------ [ 50.417637][ T6909] WARNING: CPU: 0 PID: 6909 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.420252][ T6909] Modules linked in: [ 50.420885][ T6909] CPU: 0 UID: 0 PID: 6909 Comm: syz.0.187 Tainted: G W syzkaller #0 PREEMPT [ 50.422440][ T6909] Tainted: [W]=WARN [ 50.422995][ T6909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.424641][ T6909] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.425906][ T6909] pc : iopt_map_pages+0xd7c/0xdcc [ 50.426655][ T6909] lr : iopt_map_pages+0xd7c/0xdcc [ 50.427415][ T6909] sp : ffff80009d8c76c0 [ 50.428205][ T6909] x29: ffff80009d8c78a0 x28: ffff0000ccf16010 x27: 1fffe000199e2c44 [ 50.429455][ T6909] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.430648][ T6909] x23: ffff0000ccf16220 x22: ffff0000ccf161f8 x21: 00000000ffffffea [ 50.431927][ T6909] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.433194][ T6909] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.434449][ T6909] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.435649][ T6909] x11: ffff0000d058dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.436867][ T6909] x8 : ffff0000d058dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 50.438057][ T6909] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.439337][ T6909] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.440526][ T6909] Call trace: [ 50.441001][ T6909] iopt_map_pages+0xd7c/0xdcc (P) [ 50.441828][ T6909] iopt_map_common+0x204/0x420 [ 50.442539][ T6909] iopt_map_user_pages+0xb4/0xd8 [ 50.443287][ T6909] iommufd_ioas_map+0x2d4/0x3d0 [ 50.443996][ T6909] iommufd_fops_ioctl+0x424/0x54c [ 50.444755][ T6909] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.445499][ T6909] invoke_syscall+0x98/0x254 [ 50.446175][ T6909] el0_svc_common+0xe8/0x23c [ 50.446808][ T6909] do_el0_svc+0x48/0x58 [ 50.447406][ T6909] el0_svc+0x5c/0x254 [ 50.447969][ T6909] el0t_64_sync_handler+0x84/0x12c [ 50.448725][ T6909] el0t_64_sync+0x198/0x19c [ 50.449432][ T6909] irq event stamp: 1022 [ 50.450115][ T6909] hardirqs last enabled at (1021): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.451593][ T6909] hardirqs last disabled at (1022): [] el1_brk64+0x20/0x54 [ 50.452896][ T6909] softirqs last enabled at (982): [] local_bh_enable+0x10/0x34 [ 50.454235][ T6909] softirqs last disabled at (980): [] local_bh_disable+0x10/0x34 [ 50.455534][ T6909] ---[ end trace 0000000000000000 ]--- [ 50.464211][ T6910] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.465214][ T6910] ------------[ cut here ]------------ [ 50.465222][ T6910] WARNING: CPU: 1 PID: 6910 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.468897][ T6910] Modules linked in: [ 50.469496][ T6910] CPU: 1 UID: 0 PID: 6910 Comm: syz.0.188 Tainted: G W syzkaller #0 PREEMPT [ 50.471173][ T6910] Tainted: [W]=WARN [ 50.471744][ T6910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.473194][ T6910] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.474346][ T6910] pc : iopt_map_pages+0xd7c/0xdcc [ 50.475072][ T6910] lr : iopt_map_pages+0xd7c/0xdcc [ 50.475856][ T6910] sp : ffff80009d8c76c0 [ 50.476469][ T6910] x29: ffff80009d8c78a0 x28: ffff0000ccf15010 x27: 1fffe000199e2a44 [ 50.477675][ T6910] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.478877][ T6910] x23: ffff0000ccf15220 x22: ffff0000ccf151f8 x21: 00000000ffffffea [ 50.480099][ T6910] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.481333][ T6910] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.482543][ T6910] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.483732][ T6910] x11: ffff0000cb06bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.484913][ T6910] x8 : ffff0000cb06bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 50.486112][ T6910] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.487228][ T6910] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.488375][ T6910] Call trace: [ 50.488842][ T6910] iopt_map_pages+0xd7c/0xdcc (P) [ 50.489539][ T6910] iopt_map_common+0x204/0x420 [ 50.490268][ T6910] iopt_map_user_pages+0xb4/0xd8 [ 50.491027][ T6910] iommufd_ioas_map+0x2d4/0x3d0 [ 50.491772][ T6910] iommufd_fops_ioctl+0x424/0x54c [ 50.492534][ T6910] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.493238][ T6910] invoke_syscall+0x98/0x254 [ 50.493920][ T6910] el0_svc_common+0xe8/0x23c [ 50.494595][ T6910] do_el0_svc+0x48/0x58 [ 50.495200][ T6910] el0_svc+0x5c/0x254 [ 50.495758][ T6910] el0t_64_sync_handler+0x84/0x12c [ 50.496515][ T6910] el0t_64_sync+0x198/0x19c [ 50.497127][ T6910] irq event stamp: 862 [ 50.497685][ T6910] hardirqs last enabled at (861): [] ___slab_alloc+0x808/0x127c [ 50.498995][ T6910] hardirqs last disabled at (862): [] el1_brk64+0x20/0x54 [ 50.500246][ T6910] softirqs last enabled at (824): [] local_bh_enable+0x10/0x34 [ 50.501417][ T6910] softirqs last disabled at (822): [] local_bh_disable+0x10/0x34 [ 50.502751][ T6910] ---[ end trace 0000000000000000 ]--- [ 50.511308][ T6 ** replaying previous printk message ** [ 50.511308][ T6911] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.511650][ T6911] ------------[ cut here ]------------ [ 50.511654][ T6911] WARNING: CPU: 1 PID: 6911 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.515771][ T6911] Modules linked in: [ 50.516370][ T6911] CPU: 1 UID: 0 PID: 6911 Comm: syz.0.189 Tainted: G W syzkaller #0 PREEMPT [ 50.518067][ T6911] Tainted: [W]=WARN [ 50.518694][ T6911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.520295][ T6911] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.521515][ T6911] pc : iopt_map_pages+0xd7c/0xdcc [ 50.522307][ T6911] lr : iopt_map_pages+0xd7c/0xdcc [ 50.523103][ T6911] sp : ffff80009d8c76c0 [ 50.523751][ T6911] x29: ffff80009d8c78a0 x28: ffff0000ccf13010 x27: 1fffe000199e2644 [ 50.525057][ T6911] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.526307][ T6911] x23: ffff0000ccf13220 x22: ffff0000ccf131f8 x21: 00000000ffffffea [ 50.527507][ T6911] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.528752][ T6911] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.529951][ T6911] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.531208][ T6911] x11: ffff0000d0d80000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.532477][ T6911] x8 : ffff0000d0d80000 x7 : 0000000000000000 x6 : 000000000000003f [ 50.533674][ T6911] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.534999][ T6911] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.536219][ T6911] Call trace: [ 50.536650][ T6911] iopt_map_pages+0xd7c/0xdcc (P) [ 50.537355][ T6911] iopt_map_common+0x204/0x420 [ 50.538021][ T6911] iopt_map_user_pages+0xb4/0xd8 [ 50.538750][ T6911] iommufd_ioas_map+0x2d4/0x3d0 [ 50.539467][ T6911] iommufd_fops_ioctl+0x424/0x54c [ 50.540192][ T6911] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.540955][ T6911] invoke_syscall+0x98/0x254 [ 50.541585][ T6911] el0_svc_common+0xe8/0x23c [ 50.542261][ T6911] do_el0_svc+0x48/0x58 [ 50.542868][ T6911] el0_svc+0x5c/0x254 [ 50.543463][ T6911] el0t_64_sync_handler+0x84/0x12c [ 50.544230][ T6911] el0t_64_sync+0x198/0x19c [ 50.544976][ T6911] irq event stamp: 834 [ 50.545601][ T6911] hardirqs last enabled at (833): [] ___slab_alloc+0x808/0x127c [ 50.547021][ T6911] hardirqs last disabled at (834): [] el1_brk64+0x20/0x54 [ 50.548194][ T6911] softirqs last enabled at (144): [] local_bh_enable+0x10/0x34 [ 50.549442][ T6911] softirqs last disabled at (142): [] local_bh_disable+0x10/0x34 [ 50.550917][ T6911] ---[ end trace 0000000000000000 ]--- [ 50.559461][ T691 ** replaying previous printk message ** [ 50.559461][ T6912] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.559816][ T6912] ------------[ cut here ]------------ [ 50.559821][ T6912] WARNING: CPU: 1 PID: 6912 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.563762][ T6912] Modules linked in: [ 50.564405][ T6912] CPU: 1 UID: 0 PID: 6912 Comm: syz.0.190 Tainted: G W syzkaller #0 PREEMPT [ 50.565918][ T6912] Tainted: [W]=WARN [ 50.566520][ T6912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.568121][ T6912] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.569354][ T6912] pc : iopt_map_pages+0xd7c/0xdcc [ 50.570078][ T6912] lr : iopt_map_pages+0xd7c/0xdcc [ 50.570813][ T6912] sp : ffff80009eca76c0 [ 50.571457][ T6912] x29: ffff80009eca78a0 x28: ffff0000ccf12010 x27: 1fffe000199e2444 [ 50.572664][ T6912] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.573910][ T6912] x23: ffff0000ccf12220 x22: ffff0000ccf121f8 x21: 00000000ffffffea [ 50.575125][ T6912] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 50.576369][ T6912] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.577589][ T6912] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.578729][ T6912] x11: ffff0000d0d85c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.579958][ T6912] x8 : ffff0000d0d85c40 x7 : 0000000000000000 x6 : 000000000000003f [ 50.581138][ T6912] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.582429][ T6912] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.583767][ T6912] Call trace: [ 50.584267][ T6912] iopt_map_pages+0xd7c/0xdcc (P) [ 50.585081][ T6912] iopt_map_common+0x204/0x420 [ 50.585836][ T6912] iopt_map_user_pages+0xb4/0xd8 [ 50.586610][ T6912] iommufd_ioas_map+0x2d4/0x3d0 [ 50.587330][ T6912] iommufd_fops_ioctl+0x424/0x54c [ 50.588174][ T6912] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.588948][ T6912] invoke_syscall+0x98/0x254 [ 50.589630][ T6912] el0_svc_common+0xe8/0x23c [ 50.590332][ T6912] do_el0_svc+0x48/0x58 [ 50.590938][ T6912] el0_svc+0x5c/0x254 [ 50.591544][ T6912] el0t_64_sync_handler+0x84/0x12c [ 50.592350][ T6912] el0t_64_sync+0x198/0x19c [ 50.593094][ T6912] irq event stamp: 854 [ 50.593816][ T6912] hardirqs last enabled at (853): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.595446][ T6912] hardirqs last disabled at (854): [] el1_brk64+0x20/0x54 [ 50.596865][ T6912] softirqs last enabled at (168): [] local_bh_enable+0x10/0x34 [ 50.598328][ T6912] softirqs last disabled at (166): [] local_bh_disable+0x10/0x34 [ 50.599846][ T6912] ---[ end trace 0000000000000000 ]--- [ 50.608692][ T6913] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.610052][ T6913] ------------[ cut here ]------------ [ 50.610058][ T6913] WARNING: CPU: 1 PID: 6913 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.612707][ T6913] Modules linked in: [ 50.613342][ T6913] CPU: 1 UID: 0 PID: 6913 Comm: syz.0.191 Tainted: G W syzkaller #0 PREEMPT [ 50.614942][ T6913] Tainted: [W]=WARN [ 50.615544][ T6913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.617100][ T6913] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.618298][ T6913] pc : iopt_map_pages+0xd7c/0xdcc [ 50.619092][ T6913] lr : iopt_map_pages+0xd7c/0xdcc [ 50.619873][ T6913] sp : ffff80009d8c76c0 [ 50.620509][ T6913] x29: ffff80009d8c78a0 x28: ffff0000cd9fe810 x27: 1fffe00019b3fd44 [ 50.621786][ T6913] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.623087][ T6913] x23: ffff0000cd9fea20 x22: ffff0000cd9fe9f8 x21: 00000000ffffffea [ 50.624305][ T6913] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.625552][ T6913] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.626751][ T6913] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.627987][ T6913] x11: ffff0000c9e69ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.629225][ T6913] x8 : ffff0000c9e69ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 50.630546][ T6913] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.631820][ T6913] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.633070][ T6913] Call trace: [ 50.633534][ T6913] iopt_map_pages+0xd7c/0xdcc (P) [ 50.634255][ T6913] iopt_map_common+0x204/0x420 [ 50.634950][ T6913] iopt_map_user_pages+0xb4/0xd8 [ 50.635690][ T6913] iommufd_ioas_map+0x2d4/0x3d0 [ 50.636422][ T6913] iommufd_fops_ioctl+0x424/0x54c [ 50.637178][ T6913] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.638015][ T6913] invoke_syscall+0x98/0x254 [ 50.638713][ T6913] el0_svc_common+0xe8/0x23c [ 50.639402][ T6913] do_el0_svc+0x48/0x58 [ 50.640073][ T6913] el0_svc+0x5c/0x254 [ 50.640656][ T6913] el0t_64_sync_handler+0x84/0x12c [ 50.641418][ T6913] el0t_64_sync+0x198/0x19c [ 50.642072][ T6913] irq event stamp: 858 [ 50.642685][ T6913] hardirqs last enabled at (857): [] ___slab_alloc+0x808/0x127c [ 50.644022][ T6913] hardirqs last disabled at (858): [] el1_brk64+0x20/0x54 [ 50.645293][ T6913] softirqs last enabled at (820): [] local_bh_enable+0x10/0x34 [ 50.646679][ T6913] softirqs last disabled at (818): [] local_bh_disable+0x10/0x34 [ 50.648110][ T6913] ---[ end trace 0000000000000000 ]--- [ 50.656632][ T6914] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.658243][ T6914] ------------[ cut here ]------------ [ 50.658251][ T6914] WARNING: CPU: 0 PID: 6914 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.660762][ T6914] Modules linked in: [ 50.661334][ T6914] CPU: 0 UID: 0 PID: 6914 Comm: syz.0.192 Tainted: G W syzkaller #0 PREEMPT [ 50.662793][ T6914] Tainted: [W]=WARN [ 50.663383][ T6914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.664867][ T6914] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.666122][ T6914] pc : iopt_map_pages+0xd7c/0xdcc [ 50.666805][ T6914] lr : iopt_map_pages+0xd7c/0xdcc [ 50.667598][ T6914] sp : ffff80009d8c76c0 [ 50.668224][ T6914] x29: ffff80009d8c78a0 x28: ffff0000d8c00810 x27: 1fffe0001b180144 [ 50.669507][ T6914] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.670661][ T6914] x23: ffff0000d8c00a20 x22: ffff0000d8c009f8 x21: 00000000ffffffea [ 50.671776][ T6914] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.672996][ T6914] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.674190][ T6914] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.675371][ T6914] x11: ffff0000c9e6bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.676618][ T6914] x8 : ffff0000c9e6bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 50.677798][ T6914] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.678964][ T6914] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.680135][ T6914] Call trace: [ 50.680606][ T6914] iopt_map_pages+0xd7c/0xdcc (P) [ 50.681307][ T6914] iopt_map_common+0x204/0x420 [ 50.682055][ T6914] iopt_map_user_pages+0xb4/0xd8 [ 50.682800][ T6914] iommufd_ioas_map+0x2d4/0x3d0 [ 50.683598][ T6914] iommufd_fops_ioctl+0x424/0x54c [ 50.684398][ T6914] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.685209][ T6914] invoke_syscall+0x98/0x254 [ 50.685942][ T6914] el0_svc_common+0xe8/0x23c [ 50.686685][ T6914] do_el0_svc+0x48/0x58 [ 50.687373][ T6914] el0_svc+0x5c/0x254 [ 50.688018][ T6914] el0t_64_sync_handler+0x84/0x12c [ 50.688778][ T6914] el0t_64_sync+0x198/0x19c [ 50.689467][ T6914] irq event stamp: 1354 [ 50.690045][ T6914] hardirqs last enabled at (1353): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.691566][ T6914] hardirqs last disabled at (1354): [] el1_brk64+0x20/0x54 [ 50.692835][ T6914] softirqs last enabled at (642): [] local_bh_enable+0x10/0x34 [ 50.694232][ T6914] softirqs last disabled at (640): [] local_bh_disable+0x10/0x34 [ 50.695541][ T6914] ---[ end trace 0000000000000000 ]--- [ 50.703002][ T6915] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.705166][ T6915] ------------[ cut here ]------------ [ 50.705176][ T6915] WARNING: CPU: 1 PID: 6915 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.707747][ T6915] Modules linked in: [ 50.708360][ T6915] CPU: 1 UID: 0 PID: 6915 Comm: syz.0.193 Tainted: G W syzkaller #0 PREEMPT [ 50.709884][ T6915] Tainted: [W]=WARN [ 50.710407][ T6915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.711970][ T6915] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.713158][ T6915] pc : iopt_map_pages+0xd7c/0xdcc [ 50.713950][ T6915] lr : iopt_map_pages+0xd7c/0xdcc [ 50.714646][ T6915] sp : ffff80009eca76c0 [ 50.715290][ T6915] x29: ffff80009eca78a0 x28: ffff0000d8c06810 x27: 1fffe0001b180d44 [ 50.716496][ T6915] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.717785][ T6915] x23: ffff0000d8c06a20 x22: ffff0000d8c069f8 x21: 00000000ffffffea [ 50.719014][ T6915] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 50.720229][ T6915] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.721556][ T6915] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.722812][ T6915] x11: ffff0000c9e68000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.723977][ T6915] x8 : ffff0000c9e68000 x7 : 0000000000000000 x6 : 000000000000003f [ 50.725233][ T6915] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.726435][ T6915] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.727657][ T6915] Call trace: [ 50.728124][ T6915] iopt_map_pages+0xd7c/0xdcc (P) [ 50.728903][ T6915] iopt_map_common+0x204/0x420 [ 50.729620][ T6915] iopt_map_user_pages+0xb4/0xd8 [ 50.730307][ T6915] iommufd_ioas_map+0x2d4/0x3d0 [ 50.731057][ T6915] iommufd_fops_ioctl+0x424/0x54c [ 50.731808][ T6915] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.732507][ T6915] invoke_syscall+0x98/0x254 [ 50.733173][ T6915] el0_svc_common+0xe8/0x23c [ 50.733877][ T6915] do_el0_svc+0x48/0x58 [ 50.734508][ T6915] el0_svc+0x5c/0x254 [ 50.735086][ T6915] el0t_64_sync_handler+0x84/0x12c [ 50.735860][ T6915] el0t_64_sync+0x198/0x19c [ 50.736594][ T6915] irq event stamp: 2042 [ 50.737235][ T6915] hardirqs last enabled at (2041): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.738658][ T6915] hardirqs last disabled at (2042): [] el1_brk64+0x20/0x54 [ 50.740160][ T6915] softirqs last enabled at (2030): [] handle_softirqs+0xaf8/0xc88 [ 50.741708][ T6915] softirqs last disabled at (811): [] __do_softirq+0x14/0x20 [ 50.743109][ T6915] ---[ end trace 0000000000000000 ]--- [ 50.751508][ T69 ** replaying previous printk message ** [ 50.751508][ T6916] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.751847][ T6916] ------------[ cut here ]------------ [ 50.751852][ T6916] WARNING: CPU: 1 PID: 6916 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.755558][ T6916] Modules linked in: [ 50.756218][ T6916] CPU: 1 UID: 0 PID: 6916 Comm: syz.0.194 Tainted: G W syzkaller #0 PREEMPT [ 50.757788][ T6916] Tainted: [W]=WARN [ 50.758310][ T6916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.759781][ T6916] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.760927][ T6916] pc : iopt_map_pages+0xd7c/0xdcc [ 50.761657][ T6916] lr : iopt_map_pages+0xd7c/0xdcc [ 50.762387][ T6916] sp : ffff80009eca76c0 [ 50.762985][ T6916] x29: ffff80009eca78a0 x28: ffff0000ccf10010 x27: 1fffe000199e2044 [ 50.764102][ T6916] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.765347][ T6916] x23: ffff0000ccf10220 x22: ffff0000ccf101f8 x21: 00000000ffffffea [ 50.766565][ T6916] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 50.767809][ T6916] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.768974][ T6916] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.770191][ T6916] x11: ffff0000ddca3d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.771405][ T6916] x8 : ffff0000ddca3d80 x7 : 0000000000000000 x6 : 000000000000003f [ 50.772597][ T6916] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.773802][ T6916] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.774983][ T6916] Call trace: [ 50.775483][ T6916] iopt_map_pages+0xd7c/0xdcc (P) [ 50.776172][ T6916] iopt_map_common+0x204/0x420 [ 50.776839][ T6916] iopt_map_user_pages+0xb4/0xd8 [ 50.777581][ T6916] iommufd_ioas_map+0x2d4/0x3d0 [ 50.778267][ T6916] iommufd_fops_ioctl+0x424/0x54c [ 50.778973][ T6916] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.779717][ T6916] invoke_syscall+0x98/0x254 [ 50.780443][ T6916] el0_svc_common+0xe8/0x23c [ 50.781103][ T6916] do_el0_svc+0x48/0x58 [ 50.781676][ T6916] el0_svc+0x5c/0x254 [ 50.782222][ T6916] el0t_64_sync_handler+0x84/0x12c [ 50.782993][ T6916] el0t_64_sync+0x198/0x19c [ 50.783659][ T6916] irq event stamp: 848 [ 50.784268][ T6916] hardirqs last enabled at (847): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.785675][ T6916] hardirqs last disabled at (848): [] el1_brk64+0x20/0x54 [ 50.786980][ T6916] softirqs last enabled at (162): [] local_bh_enable+0x10/0x34 [ 50.788328][ T6916] softirqs last disabled at (160): [] local_bh_disable+0x10/0x34 [ 50.789661][ T6916] ---[ end trace 0000000000000000 ]--- [ 50.797331][ T6917] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.798903][ T6917] ------------[ cut here ]------------ [ 50.798915][ T6917] WARNING: CPU: 1 PID: 6917 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.801518][ T6917] Modules linked in: [ 50.802148][ T6917] CPU: 1 UID: 0 PID: 6917 Comm: syz.0.195 Tainted: G W syzkaller #0 PREEMPT [ 50.803761][ T6917] Tainted: [W]=WARN [ 50.804310][ T6917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.805781][ T6917] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.807003][ T6917] pc : iopt_map_pages+0xd7c/0xdcc [ 50.807755][ T6917] lr : iopt_map_pages+0xd7c/0xdcc [ 50.808478][ T6917] sp : ffff80009eca76c0 [ 50.809161][ T6917] x29: ffff80009eca78a0 x28: ffff0000d8c05810 x27: 1fffe0001b180b44 [ 50.810357][ T6917] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.811633][ T6917] x23: ffff0000d8c05a20 x22: ffff0000d8c059f8 x21: 00000000ffffffea [ 50.812855][ T6917] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 50.814061][ T6917] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.815330][ T6917] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.816564][ T6917] x11: ffff0000ddca5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.817901][ T6917] x8 : ffff0000ddca5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 50.819125][ T6917] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.820351][ T6917] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.821468][ T6917] Call trace: [ 50.821945][ T6917] iopt_map_pages+0xd7c/0xdcc (P) [ 50.822695][ T6917] iopt_map_common+0x204/0x420 [ 50.823441][ T6917] iopt_map_user_pages+0xb4/0xd8 [ 50.824240][ T6917] iommufd_ioas_map+0x2d4/0x3d0 [ 50.825005][ T6917] iommufd_fops_ioctl+0x424/0x54c [ 50.825743][ T6917] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.826473][ T6917] invoke_syscall+0x98/0x254 [ 50.827202][ T6917] el0_svc_common+0xe8/0x23c [ 50.827934][ T6917] do_el0_svc+0x48/0x58 [ 50.828480][ T6917] el0_svc+0x5c/0x254 [ 50.829065][ T6917] el0t_64_sync_handler+0x84/0x12c [ 50.829784][ T6917] el0t_64_sync+0x198/0x19c [ 50.830458][ T6917] irq event stamp: 886 [ 50.831026][ T6917] hardirqs last enabled at (885): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.832427][ T6917] hardirqs last disabled at (886): [] el1_brk64+0x20/0x54 [ 50.833733][ T6917] softirqs last enabled at (848): [] local_bh_enable+0x10/0x34 [ 50.835120][ T6917] softirqs last disabled at (846): [] local_bh_disable+0x10/0x34 [ 50.836592][ T6917] ---[ end trace 0000000000000000 ]--- [ 50.843949][ T6918] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.845415][ T6918] ------------[ cut here ]------------ [ 50.845422][ T6918] WARNING: CPU: 1 PID: 6918 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.848051][ T6918] Modules linked in: [ 50.848663][ T6918] CPU: 1 UID: 0 PID: 6918 Comm: syz.0.196 Tainted: G W syzkaller #0 PREEMPT [ 50.850214][ T6918] Tainted: [W]=WARN [ 50.850779][ T6918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.852263][ T6918] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.853558][ T6918] pc : iopt_map_pages+0xd7c/0xdcc [ 50.854369][ T6918] lr : iopt_map_pages+0xd7c/0xdcc [ 50.855144][ T6918] sp : ffff80009eca76c0 [ 50.855762][ T6918] x29: ffff80009eca78a0 x28: ffff0000d8c05010 x27: 1fffe0001b180a44 [ 50.857017][ T6918] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.858310][ T6918] x23: ffff0000d8c05220 x22: ffff0000d8c051f8 x21: 00000000ffffffea [ 50.859495][ T6918] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 50.860784][ T6918] x17: ffff800080dc1718 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.862047][ T6918] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.863339][ T6918] x11: ffff0000ddca0000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.864651][ T6918] x8 : ffff0000ddca0000 x7 : 0000000000000000 x6 : 000000000000003f [ 50.865962][ T6918] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.867164][ T6918] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.868413][ T6918] Call trace: [ 50.868901][ T6918] iopt_map_pages+0xd7c/0xdcc (P) [ 50.869658][ T6918] iopt_map_common+0x204/0x420 [ 50.870387][ T6918] iopt_map_user_pages+0xb4/0xd8 [ 50.871119][ T6918] iommufd_ioas_map+0x2d4/0x3d0 [ 50.871872][ T6918] iommufd_fops_ioctl+0x424/0x54c [ 50.872688][ T6918] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.873400][ T6918] invoke_syscall+0x98/0x254 [ 50.874063][ T6918] el0_svc_common+0xe8/0x23c [ 50.874755][ T6918] do_el0_svc+0x48/0x58 [ 50.875370][ T6918] el0_svc+0x5c/0x254 [ 50.875956][ T6918] el0t_64_sync_handler+0x84/0x12c [ 50.876726][ T6918] el0t_64_sync+0x198/0x19c [ 50.877357][ T6918] irq event stamp: 854 [ 50.877948][ T6918] hardirqs last enabled at (853): [] irqentry_exit+0xd8/0x108 [ 50.879300][ T6918] hardirqs last disabled at (854): [] el1_brk64+0x20/0x54 [ 50.880662][ T6918] softirqs last enabled at (812): [] local_bh_enable+0x10/0x34 [ 50.881932][ T6918] softirqs last disabled at (810): [] local_bh_disable+0x10/0x34 [ 50.883211][ T6918] ---[ end trace 0000000000000000 ]--- [ 50.896604][ T6 ** replaying previous printk message ** [ 50.896604][ T6919] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.896942][ T6919] ------------[ cut here ]------------ [ 50.896947][ T6919] WARNING: CPU: 1 PID: 6919 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.901208][ T6919] Modules linked in: [ 50.901829][ T6919] CPU: 1 UID: 0 PID: 6919 Comm: syz.0.197 Tainted: G W syzkaller #0 PREEMPT [ 50.903403][ T6919] Tainted: [W]=WARN [ 50.904059][ T6919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.905560][ T6919] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.906691][ T6919] pc : iopt_map_pages+0xd7c/0xdcc [ 50.907434][ T6919] lr : iopt_map_pages+0xd7c/0xdcc [ 50.908188][ T6919] sp : ffff80009d8c76c0 [ 50.908802][ T6919] x29: ffff80009d8c78a0 x28: ffff0000d0e3f010 x27: 1fffe0001a1c7e44 [ 50.910017][ T6919] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.911182][ T6919] x23: ffff0000d0e3f220 x22: ffff0000d0e3f1f8 x21: 00000000ffffffea [ 50.912440][ T6919] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 50.913740][ T6919] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.914973][ T6919] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.916309][ T6919] x11: ffff0000cb069ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.917602][ T6919] x8 : ffff0000cb069ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 50.918762][ T6919] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.920076][ T6919] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.921291][ T6919] Call trace: [ 50.921763][ T6919] iopt_map_pages+0xd7c/0xdcc (P) [ 50.922462][ T6919] iopt_map_common+0x204/0x420 [ 50.923143][ T6919] iopt_map_user_pages+0xb4/0xd8 [ 50.923842][ T6919] iommufd_ioas_map+0x2d4/0x3d0 [ 50.924576][ T6919] iommufd_fops_ioctl+0x424/0x54c [ 50.925275][ T6919] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.925991][ T6919] invoke_syscall+0x98/0x254 [ 50.926686][ T6919] el0_svc_common+0xe8/0x23c [ 50.927407][ T6919] do_el0_svc+0x48/0x58 [ 50.928030][ T6919] el0_svc+0x5c/0x254 [ 50.928639][ T6919] el0t_64_sync_handler+0x84/0x12c [ 50.929388][ T6919] el0t_64_sync+0x198/0x19c [ 50.930060][ T6919] irq event stamp: 908 [ 50.930631][ T6919] hardirqs last enabled at (907): [] ___slab_alloc+0x808/0x127c [ 50.931971][ T6919] hardirqs last disabled at (908): [] el1_brk64+0x20/0x54 [ 50.933239][ T6919] softirqs last enabled at (190): [] local_bh_enable+0x10/0x34 [ 50.934667][ T6919] softirqs last disabled at (188): [] local_bh_disable+0x10/0x34 [ 50.935979][ T6919] ---[ end trace 0000000000000000 ]--- [ 50.943169][ T6920] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.946276][ T6920] ------------[ cut here ]------------ [ 50.946286][ T6920] WARNING: CPU: 0 PID: 6920 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.948607][ T6920] Modules linked in: [ 50.949151][ T6920] CPU: 0 UID: 0 PID: 6920 Comm: syz.0.198 Tainted: G W syzkaller #0 PREEMPT [ 50.950627][ T6920] Tainted: [W]=WARN [ 50.951173][ T6920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.952646][ T6920] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.953814][ T6920] pc : iopt_map_pages+0xd7c/0xdcc [ 50.954570][ T6920] lr : iopt_map_pages+0xd7c/0xdcc [ 50.955287][ T6920] sp : ffff80009eca76c0 [ 50.955890][ T6920] x29: ffff80009eca78a0 x28: ffff0000d8c00010 x27: 1fffe0001b180044 [ 50.957064][ T6920] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 50.958363][ T6920] x23: ffff0000d8c00220 x22: ffff0000d8c001f8 x21: 00000000ffffffea [ 50.959523][ T6920] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 50.960754][ T6920] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 50.961986][ T6920] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 50.963220][ T6920] x11: ffff0000d2cf3d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 50.964409][ T6920] x8 : ffff0000d2cf3d80 x7 : 0000000000000000 x6 : 000000000000003f [ 50.965616][ T6920] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 50.966789][ T6920] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 50.968015][ T6920] Call trace: [ 50.968503][ T6920] iopt_map_pages+0xd7c/0xdcc (P) [ 50.969239][ T6920] iopt_map_common+0x204/0x420 [ 50.969907][ T6920] iopt_map_user_pages+0xb4/0xd8 [ 50.970667][ T6920] iommufd_ioas_map+0x2d4/0x3d0 [ 50.971414][ T6920] iommufd_fops_ioctl+0x424/0x54c [ 50.972153][ T6920] __arm64_sys_ioctl+0x14c/0x1c4 [ 50.972854][ T6920] invoke_syscall+0x98/0x254 [ 50.973585][ T6920] el0_svc_common+0xe8/0x23c [ 50.974280][ T6920] do_el0_svc+0x48/0x58 [ 50.974871][ T6920] el0_svc+0x5c/0x254 [ 50.975456][ T6920] el0t_64_sync_handler+0x84/0x12c [ 50.976250][ T6920] el0t_64_sync+0x198/0x19c [ 50.976968][ T6920] irq event stamp: 1010 [ 50.977599][ T6920] hardirqs last enabled at (1009): [] kasan_quarantine_put+0x1a0/0x1c8 [ 50.979097][ T6920] hardirqs last disabled at (1010): [] el1_brk64+0x20/0x54 [ 50.980339][ T6920] softirqs last enabled at (972): [] local_bh_enable+0x10/0x34 [ 50.981713][ T6920] softirqs last disabled at (970): [] local_bh_disable+0x10/0x34 [ 50.983111][ T6920] ---[ end trace 0000000000000000 ]--- [ 50.991258][ T6921] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 50.992784][ T6921] ------------[ cut here ]------------ [ 50.992795][ T6921] WARNING: CPU: 1 PID: 6921 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 50.995334][ T6921] Modules linked in: [ 50.995920][ T6921] CPU: 1 UID: 0 PID: 6921 Comm: syz.0.199 Tainted: G W syzkaller #0 PREEMPT [ 50.997523][ T6921] Tainted: [W]=WARN [ 50.998090][ T6921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.999522][ T6921] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.000685][ T6921] pc : iopt_map_pages+0xd7c/0xdcc [ 51.001462][ T6921] lr : iopt_map_pages+0xd7c/0xdcc [ 51.002290][ T6921] sp : ffff80009eca76c0 [ 51.002941][ T6921] x29: ffff80009eca78a0 x28: ffff0000da59f810 x27: 1fffe0001b4b3f44 [ 51.004121][ T6921] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.005303][ T6921] x23: ffff0000da59fa20 x22: ffff0000da59f9f8 x21: 00000000ffffffea [ 51.006496][ T6921] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 51.007735][ T6921] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.008928][ T6921] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.010222][ T6921] x11: ffff0000d2cf5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.011492][ T6921] x8 : ffff0000d2cf5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 51.012639][ T6921] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.013828][ T6921] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.015011][ T6921] Call trace: [ 51.015462][ T6921] iopt_map_pages+0xd7c/0xdcc (P) [ 51.016217][ T6921] iopt_map_common+0x204/0x420 [ 51.016890][ T6921] iopt_map_user_pages+0xb4/0xd8 [ 51.017658][ T6921] iommufd_ioas_map+0x2d4/0x3d0 [ 51.018466][ T6921] iommufd_fops_ioctl+0x424/0x54c [ 51.019246][ T6921] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.019937][ T6921] invoke_syscall+0x98/0x254 [ 51.020597][ T6921] el0_svc_common+0xe8/0x23c [ 51.021275][ T6921] do_el0_svc+0x48/0x58 [ 51.021863][ T6921] el0_svc+0x5c/0x254 [ 51.022413][ T6921] el0t_64_sync_handler+0x84/0x12c [ 51.023168][ T6921] el0t_64_sync+0x198/0x19c [ 51.023811][ T6921] irq event stamp: 860 [ 51.024436][ T6921] hardirqs last enabled at (859): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.025879][ T6921] hardirqs last disabled at (860): [] el1_brk64+0x20/0x54 [ 51.027154][ T6921] softirqs last enabled at (826): [] local_bh_enable+0x10/0x34 [ 51.028483][ T6921] softirqs last disabled at (824): [] local_bh_disable+0x10/0x34 [ 51.029897][ T6921] ---[ end trace 0000000000000000 ]--- [ 51.038460][ T6 ** replaying previous printk message ** [ 51.038460][ T6922] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.038792][ T6922] ------------[ cut here ]------------ [ 51.038797][ T6922] WARNING: CPU: 1 PID: 6922 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.043047][ T6922] Modules linked in: [ 51.043678][ T6922] CPU: 1 UID: 0 PID: 6922 Comm: syz.0.200 Tainted: G W syzkaller #0 PREEMPT [ 51.045297][ T6922] Tainted: [W]=WARN [ 51.045988][ T6922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.047518][ T6922] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.048710][ T6922] pc : iopt_map_pages+0xd7c/0xdcc [ 51.049457][ T6922] lr : iopt_map_pages+0xd7c/0xdcc [ 51.050206][ T6922] sp : ffff80009eca76c0 [ 51.050846][ T6922] x29: ffff80009eca78a0 x28: ffff0000d0e3e010 x27: 1fffe0001a1c7c44 [ 51.052071][ T6922] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.053308][ T6922] x23: ffff0000d0e3e220 x22: ffff0000d0e3e1f8 x21: 00000000ffffffea [ 51.054524][ T6922] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 51.055785][ T6922] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.057025][ T6922] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.058193][ T6922] x11: ffff0000d2cf1ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.059333][ T6922] x8 : ffff0000d2cf1ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 51.060463][ T6922] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.061538][ T6922] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.062921][ T6922] Call trace: [ 51.063429][ T6922] iopt_map_pages+0xd7c/0xdcc (P) [ 51.064259][ T6922] iopt_map_common+0x204/0x420 [ 51.065039][ T6922] iopt_map_user_pages+0xb4/0xd8 [ 51.065806][ T6922] iommufd_ioas_map+0x2d4/0x3d0 [ 51.066583][ T6922] iommufd_fops_ioctl+0x424/0x54c [ 51.067331][ T6922] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.068069][ T6922] invoke_syscall+0x98/0x254 [ 51.068914][ T6922] el0_svc_common+0xe8/0x23c [ 51.069670][ T6922] do_el0_svc+0x48/0x58 [ 51.070306][ T6922] el0_svc+0x5c/0x254 [ 51.070876][ T6922] el0t_64_sync_handler+0x84/0x12c [ 51.071769][ T6922] el0t_64_sync+0x198/0x19c [ 51.072424][ T6922] irq event stamp: 840 [ 51.073000][ T6922] hardirqs last enabled at (839): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.074461][ T6922] hardirqs last disabled at (840): [] el1_brk64+0x20/0x54 [ 51.075750][ T6922] softirqs last enabled at (138): [] local_bh_enable+0x10/0x34 [ 51.077154][ T6922] softirqs last disabled at (136): [] local_bh_disable+0x10/0x34 [ 51.078551][ T6922] ---[ end trace 0000000000000000 ]--- [ 51.088241][ T692 ** replaying previous printk message ** [ 51.088241][ T6923] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.088569][ T6923] ------------[ cut here ]------------ [ 51.088574][ T6923] WARNING: CPU: 1 PID: 6923 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.092765][ T6923] Modules linked in: [ 51.093376][ T6923] CPU: 1 UID: 0 PID: 6923 Comm: syz.0.201 Tainted: G W syzkaller #0 PREEMPT [ 51.094933][ T6923] Tainted: [W]=WARN [ 51.095501][ T6923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.097027][ T6923] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.098257][ T6923] pc : iopt_map_pages+0xd7c/0xdcc [ 51.098975][ T6923] lr : iopt_map_pages+0xd7c/0xdcc [ 51.099740][ T6923] sp : ffff80009eca76c0 [ 51.100374][ T6923] x29: ffff80009eca78a0 x28: ffff0000d0e3c810 x27: 1fffe0001a1c7944 [ 51.101598][ T6923] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.102708][ T6923] x23: ffff0000d0e3ca20 x22: ffff0000d0e3c9f8 x21: 00000000ffffffea [ 51.103955][ T6923] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 51.105112][ T6923] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.106439][ T6923] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.107698][ T6923] x11: ffff0000ccc53d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.108900][ T6923] x8 : ffff0000ccc53d80 x7 : 0000000000000000 x6 : 000000000000003f [ 51.110081][ T6923] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.111215][ T6923] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.112351][ T6923] Call trace: [ 51.112818][ T6923] iopt_map_pages+0xd7c/0xdcc (P) [ 51.113538][ T6923] iopt_map_common+0x204/0x420 [ 51.114262][ T6923] iopt_map_user_pages+0xb4/0xd8 [ 51.114939][ T6923] iommufd_ioas_map+0x2d4/0x3d0 [ 51.115624][ T6923] iommufd_fops_ioctl+0x424/0x54c [ 51.116322][ T6923] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.117045][ T6923] invoke_syscall+0x98/0x254 [ 51.117728][ T6923] el0_svc_common+0xe8/0x23c [ 51.118439][ T6923] do_el0_svc+0x48/0x58 [ 51.119066][ T6923] el0_svc+0x5c/0x254 [ 51.119626][ T6923] el0t_64_sync_handler+0x84/0x12c [ 51.120361][ T6923] el0t_64_sync+0x198/0x19c [ 51.121047][ T6923] irq event stamp: 818 [ 51.121629][ T6923] hardirqs last enabled at (817): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.123183][ T6923] hardirqs last disabled at (818): [] el1_brk64+0x20/0x54 [ 51.124399][ T6923] softirqs last enabled at (130): [] local_bh_enable+0x10/0x34 [ 51.125782][ T6923] softirqs last disabled at (128): [] local_bh_disable+0x10/0x34 [ 51.127211][ T6923] ---[ end trace 0000000000000000 ]--- [ 51.137202][ T6 ** replaying previous printk message ** [ 51.137202][ T6924] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.137538][ T6924] ------------[ cut here ]------------ [ 51.137543][ T6924] WARNING: CPU: 1 PID: 6924 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.141744][ T6924] Modules linked in: [ 51.142360][ T6924] CPU: 1 UID: 0 PID: 6924 Comm: syz.0.202 Tainted: G W syzkaller #0 PREEMPT [ 51.143934][ T6924] Tainted: [W]=WARN [ 51.144464][ T6924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.146048][ T6924] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.147283][ T6924] pc : iopt_map_pages+0xd7c/0xdcc [ 51.148000][ T6924] lr : iopt_map_pages+0xd7c/0xdcc [ 51.148765][ T6924] sp : ffff80009d9076c0 [ 51.149351][ T6924] x29: ffff80009d9078a0 x28: ffff0000d0e3d010 x27: 1fffe0001a1c7a44 [ 51.150622][ T6924] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.151865][ T6924] x23: ffff0000d0e3d220 x22: ffff0000d0e3d1f8 x21: 00000000ffffffea [ 51.153018][ T6924] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 51.154132][ T6924] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.155342][ T6924] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.156631][ T6924] x11: ffff0000cf97dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.157969][ T6924] x8 : ffff0000cf97dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 51.159267][ T6924] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.160625][ T6924] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.161852][ T6924] Call trace: [ 51.162391][ T6924] iopt_map_pages+0xd7c/0xdcc (P) [ 51.163200][ T6924] iopt_map_common+0x204/0x420 [ 51.163909][ T6924] iopt_map_user_pages+0xb4/0xd8 [ 51.164687][ T6924] iommufd_ioas_map+0x2d4/0x3d0 [ 51.165436][ T6924] iommufd_fops_ioctl+0x424/0x54c [ 51.166204][ T6924] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.167002][ T6924] invoke_syscall+0x98/0x254 [ 51.167652][ T6924] el0_svc_common+0xe8/0x23c [ 51.168344][ T6924] do_el0_svc+0x48/0x58 [ 51.168982][ T6924] el0_svc+0x5c/0x254 [ 51.169579][ T6924] el0t_64_sync_handler+0x84/0x12c [ 51.170323][ T6924] el0t_64_sync+0x198/0x19c [ 51.170996][ T6924] irq event stamp: 816 [ 51.171627][ T6924] hardirqs last enabled at (815): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.172958][ T6924] hardirqs last disabled at (816): [] el1_brk64+0x20/0x54 [ 51.174211][ T6924] softirqs last enabled at (156): [] local_bh_enable+0x10/0x34 [ 51.175749][ T6924] softirqs last disabled at (154): [] local_bh_disable+0x10/0x34 [ 51.177250][ T6924] ---[ end trace 0000000000000000 ]--- [ 51.186190][ T6925] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.187842][ T6925] ------------[ cut here ]------------ [ 51.187851][ T6925] WARNING: CPU: 0 PID: 6925 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.190204][ T6925] Modules linked in: [ 51.190804][ T6925] CPU: 0 UID: 0 PID: 6925 Comm: syz.0.203 Tainted: G W syzkaller #0 PREEMPT [ 51.192162][ T6925] Tainted: [W]=WARN [ 51.192687][ T6925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.194089][ T6925] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.195257][ T6925] pc : iopt_map_pages+0xd7c/0xdcc [ 51.195995][ T6925] lr : iopt_map_pages+0xd7c/0xdcc [ 51.196728][ T6925] sp : ffff80009eca76c0 [ 51.197344][ T6925] x29: ffff80009eca78a0 x28: ffff0000da59e810 x27: 1fffe0001b4b3d44 [ 51.198551][ T6925] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.199728][ T6925] x23: ffff0000da59ea20 x22: ffff0000da59e9f8 x21: 00000000ffffffea [ 51.200902][ T6925] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 51.202142][ T6925] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.203272][ T6925] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.204519][ T6925] x11: ffff0000d10d9ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.205770][ T6925] x8 : ffff0000d10d9ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 51.206910][ T6925] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.208177][ T6925] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.209400][ T6925] Call trace: [ 51.209889][ T6925] iopt_map_pages+0xd7c/0xdcc (P) [ 51.210658][ T6925] iopt_map_common+0x204/0x420 [ 51.211398][ T6925] iopt_map_user_pages+0xb4/0xd8 [ 51.212100][ T6925] iommufd_ioas_map+0x2d4/0x3d0 [ 51.212831][ T6925] iommufd_fops_ioctl+0x424/0x54c [ 51.213531][ T6925] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.214197][ T6925] invoke_syscall+0x98/0x254 [ 51.214860][ T6925] el0_svc_common+0xe8/0x23c [ 51.215630][ T6925] do_el0_svc+0x48/0x58 [ 51.216189][ T6925] el0_svc+0x5c/0x254 [ 51.216785][ T6925] el0t_64_sync_handler+0x84/0x12c [ 51.217554][ T6925] el0t_64_sync+0x198/0x19c [ 51.218169][ T6925] irq event stamp: 876 [ 51.218707][ T6925] hardirqs last enabled at (875): [] ___slab_alloc+0x808/0x127c [ 51.220068][ T6925] hardirqs last disabled at (876): [] el1_brk64+0x20/0x54 [ 51.221319][ T6925] softirqs last enabled at (134): [] local_bh_enable+0x10/0x34 [ 51.222558][ T6925] softirqs last disabled at (132): [] local_bh_disable+0x10/0x34 [ 51.223927][ T6925] ---[ end trace 0000000000000000 ]--- [ 51.233375][ T6926] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.235478][ T6926] ------------[ cut here ]------------ [ 51.235487][ T6926] WARNING: CPU: 1 PID: 6926 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.238078][ T6926] Modules linked in: [ 51.238662][ T6926] CPU: 1 UID: 0 PID: 6926 Comm: syz.0.204 Tainted: G W syzkaller #0 PREEMPT [ 51.240284][ T6926] Tainted: [W]=WARN [ 51.240867][ T6926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.242496][ T6926] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.243671][ T6926] pc : iopt_map_pages+0xd7c/0xdcc [ 51.244407][ T6926] lr : iopt_map_pages+0xd7c/0xdcc [ 51.245192][ T6926] sp : ffff80009d8c76c0 [ 51.245831][ T6926] x29: ffff80009d8c78a0 x28: ffff0000da59d810 x27: 1fffe0001b4b3b44 [ 51.247053][ T6926] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.248449][ T6926] x23: ffff0000da59da20 x22: ffff0000da59d9f8 x21: 00000000ffffffea [ 51.249843][ T6926] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 51.251143][ T6926] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.252419][ T6926] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.253691][ T6926] x11: ffff0000d10dbd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.254937][ T6926] x8 : ffff0000d10dbd80 x7 : 0000000000000000 x6 : 000000000000003f [ 51.256262][ T6926] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.257444][ T6926] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.258623][ T6926] Call trace: [ 51.259100][ T6926] iopt_map_pages+0xd7c/0xdcc (P) [ 51.259861][ T6926] iopt_map_common+0x204/0x420 [ 51.260567][ T6926] iopt_map_user_pages+0xb4/0xd8 [ 51.261289][ T6926] iommufd_ioas_map+0x2d4/0x3d0 [ 51.262015][ T6926] iommufd_fops_ioctl+0x424/0x54c [ 51.262733][ T6926] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.263496][ T6926] invoke_syscall+0x98/0x254 [ 51.264244][ T6926] el0_svc_common+0xe8/0x23c [ 51.264923][ T6926] do_el0_svc+0x48/0x58 [ 51.265542][ T6926] el0_svc+0x5c/0x254 [ 51.266073][ T6926] el0t_64_sync_handler+0x84/0x12c [ 51.266789][ T6926] el0t_64_sync+0x198/0x19c [ 51.267576][ T6926] irq event stamp: 846 [ 51.268217][ T6926] hardirqs last enabled at (845): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.269672][ T6926] hardirqs last disabled at (846): [] el1_brk64+0x20/0x54 [ 51.271070][ T6926] softirqs last enabled at (812): [] local_bh_enable+0x10/0x34 [ 51.272469][ T6926] softirqs last disabled at (810): [] local_bh_disable+0x10/0x34 [ 51.273963][ T6926] ---[ end trace 0000000000000000 ]--- [ 51.282746][ T6927] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.283077][ T6927] ------------[ cut here ]------------ [ 51.283084][ T6927] WARNING: CPU: 0 PID: 6927 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.286727][ T6927] Modules linked in: [ 51.287299][ T6927] CPU: 0 UID: 0 PID: 6927 Comm: syz.0.205 Tainted: G W syzkaller #0 PREEMPT [ 51.288964][ T6927] Tainted: [W]=WARN [ 51.289531][ T6927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.290967][ T6927] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.292134][ T6927] pc : iopt_map_pages+0xd7c/0xdcc [ 51.292828][ T6927] lr : iopt_map_pages+0xd7c/0xdcc [ 51.293562][ T6927] sp : ffff80009d9076c0 [ 51.294154][ T6927] x29: ffff80009d9078a0 x28: ffff0000da59b810 x27: 1fffe0001b4b3744 [ 51.295389][ T6927] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.296596][ T6927] x23: ffff0000da59ba20 x22: ffff0000da59b9f8 x21: 00000000ffffffea [ 51.297844][ T6927] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 51.299047][ T6927] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.300272][ T6927] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.301475][ T6927] x11: ffff0000cd46dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.302629][ T6927] x8 : ffff0000cd46dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 51.303850][ T6927] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.304959][ T6927] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.306165][ T6927] Call trace: [ 51.306644][ T6927] iopt_map_pages+0xd7c/0xdcc (P) [ 51.307454][ T6927] iopt_map_common+0x204/0x420 [ 51.308160][ T6927] iopt_map_user_pages+0xb4/0xd8 [ 51.308908][ T6927] iommufd_ioas_map+0x2d4/0x3d0 [ 51.309689][ T6927] iommufd_fops_ioctl+0x424/0x54c [ 51.310430][ T6927] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.311213][ T6927] invoke_syscall+0x98/0x254 [ 51.311940][ T6927] el0_svc_common+0xe8/0x23c [ 51.312617][ T6927] do_el0_svc+0x48/0x58 [ 51.313223][ T6927] el0_svc+0x5c/0x254 [ 51.313862][ T6927] el0t_64_sync_handler+0x84/0x12c [ 51.314626][ T6927] el0t_64_sync+0x198/0x19c [ 51.315369][ T6927] irq event stamp: 818 [ 51.315996][ T6927] hardirqs last enabled at (817): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.317451][ T6927] hardirqs last disabled at (818): [] el1_brk64+0x20/0x54 [ 51.318714][ T6927] softirqs last enabled at (134): [] local_bh_enable+0x10/0x34 [ 51.320023][ T6927] softirqs last disabled at (132): [] local_bh_disable+0x10/0x34 [ 51.321417][ T6927] ---[ end trace 0000000000000000 ]--- [ 51.332110][ T692 ** replaying previous printk message ** [ 51.332110][ T6928] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.332462][ T6928] ------------[ cut here ]------------ [ 51.332467][ T6928] WARNING: CPU: 0 PID: 6928 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.336393][ T6928] Modules linked in: [ 51.336969][ T6928] CPU: 0 UID: 0 PID: 6928 Comm: syz.0.206 Tainted: G W syzkaller #0 PREEMPT [ 51.338598][ T6928] Tainted: [W]=WARN [ 51.339155][ T6928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.340604][ T6928] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.341786][ T6928] pc : iopt_map_pages+0xd7c/0xdcc [ 51.342533][ T6928] lr : iopt_map_pages+0xd7c/0xdcc [ 51.343276][ T6928] sp : ffff80009d9076c0 [ 51.343867][ T6928] x29: ffff80009d9078a0 x28: ffff0000da59a810 x27: 1fffe0001b4b3544 [ 51.345081][ T6928] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.346311][ T6928] x23: ffff0000da59aa20 x22: ffff0000da59a9f8 x21: 00000000ffffffea [ 51.347466][ T6928] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 51.348702][ T6928] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.349916][ T6928] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.351196][ T6928] x11: ffff0000cd468000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.352430][ T6928] x8 : ffff0000cd468000 x7 : 0000000000000000 x6 : 000000000000003f [ 51.353641][ T6928] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.354770][ T6928] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.355953][ T6928] Call trace: [ 51.356405][ T6928] iopt_map_pages+0xd7c/0xdcc (P) [ 51.357095][ T6928] iopt_map_common+0x204/0x420 [ 51.357824][ T6928] iopt_map_user_pages+0xb4/0xd8 [ 51.358564][ T6928] iommufd_ioas_map+0x2d4/0x3d0 [ 51.359227][ T6928] iommufd_fops_ioctl+0x424/0x54c [ 51.359957][ T6928] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.360756][ T6928] invoke_syscall+0x98/0x254 [ 51.361428][ T6928] el0_svc_common+0xe8/0x23c [ 51.362090][ T6928] do_el0_svc+0x48/0x58 [ 51.362791][ T6928] el0_svc+0x5c/0x254 [ 51.363348][ T6928] el0t_64_sync_handler+0x84/0x12c [ 51.364113][ T6928] el0t_64_sync+0x198/0x19c [ 51.364754][ T6928] irq event stamp: 898 [ 51.365410][ T6928] hardirqs last enabled at (897): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.366917][ T6928] hardirqs last disabled at (898): [] el1_brk64+0x20/0x54 [ 51.368266][ T6928] softirqs last enabled at (142): [] local_bh_enable+0x10/0x34 [ 51.369651][ T6928] softirqs last disabled at (140): [] local_bh_disable+0x10/0x34 [ 51.370998][ T6928] ---[ end trace 0000000000000000 ]--- [ 51.379408][ T6929] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.380823][ T6929] ------------[ cut here ]------------ [ 51.380835][ T6929] WARNING: CPU: 0 PID: 6929 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.383465][ T6929] Modules linked in: [ 51.384107][ T6929] CPU: 0 UID: 0 PID: 6929 Comm: syz.0.207 Tainted: G W syzkaller #0 PREEMPT [ 51.385616][ T6929] Tainted: [W]=WARN [ 51.386186][ T6929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.387658][ T6929] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.388819][ T6929] pc : iopt_map_pages+0xd7c/0xdcc [ 51.389566][ T6929] lr : iopt_map_pages+0xd7c/0xdcc [ 51.390334][ T6929] sp : ffff80009eca76c0 [ 51.390924][ T6929] x29: ffff80009eca78a0 x28: ffff0000c88b3010 x27: 1fffe00019116644 [ 51.392196][ T6929] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.393425][ T6929] x23: ffff0000c88b3220 x22: ffff0000c88b31f8 x21: 00000000ffffffea [ 51.394640][ T6929] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 51.395807][ T6929] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.396991][ T6929] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.398209][ T6929] x11: ffff0000cb4fdc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.399380][ T6929] x8 : ffff0000cb4fdc40 x7 : 0000000000000000 x6 : 000000000000003f [ 51.400580][ T6929] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.401760][ T6929] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.402946][ T6929] Call trace: [ 51.403402][ T6929] iopt_map_pages+0xd7c/0xdcc (P) [ 51.404138][ T6929] iopt_map_common+0x204/0x420 [ 51.404829][ T6929] iopt_map_user_pages+0xb4/0xd8 [ 51.405561][ T6929] iommufd_ioas_map+0x2d4/0x3d0 [ 51.406342][ T6929] iommufd_fops_ioctl+0x424/0x54c [ 51.407191][ T6929] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.407945][ T6929] invoke_syscall+0x98/0x254 [ 51.408675][ T6929] el0_svc_common+0xe8/0x23c [ 51.409333][ T6929] do_el0_svc+0x48/0x58 [ 51.409926][ T6929] el0_svc+0x5c/0x254 [ 51.410507][ T6929] el0t_64_sync_handler+0x84/0x12c [ 51.411294][ T6929] el0t_64_sync+0x198/0x19c [ 51.412014][ T6929] irq event stamp: 864 [ 51.412597][ T6929] hardirqs last enabled at (863): [] ___slab_alloc+0x808/0x127c [ 51.413966][ T6929] hardirqs last disabled at (864): [] el1_brk64+0x20/0x54 [ 51.415188][ T6929] softirqs last enabled at (826): [] local_bh_enable+0x10/0x34 [ 51.416574][ T6929] softirqs last disabled at (824): [] local_bh_disable+0x10/0x34 [ 51.417994][ T6929] ---[ end trace 0000000000000000 ]--- [ 51.431056][ T6930] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.432745][ T6930] ------------[ cut here ]------------ [ 51.432755][ T6930] WARNING: CPU: 1 PID: 6930 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.435450][ T6930] Modules linked in: [ 51.436110][ T6930] CPU: 1 UID: 0 PID: 6930 Comm: syz.0.208 Tainted: G W syzkaller #0 PREEMPT [ 51.437718][ T6930] Tainted: [W]=WARN [ 51.438378][ T6930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.439920][ T6930] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.441119][ T6930] pc : iopt_map_pages+0xd7c/0xdcc [ 51.441856][ T6930] lr : iopt_map_pages+0xd7c/0xdcc [ 51.442613][ T6930] sp : ffff80009d8c76c0 [ 51.443241][ T6930] x29: ffff80009d8c78a0 x28: ffff0000da59a010 x27: 1fffe0001b4b3444 [ 51.444551][ T6930] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.445814][ T6930] x23: ffff0000da59a220 x22: ffff0000da59a1f8 x21: 00000000ffffffea [ 51.447067][ T6930] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 51.448270][ T6930] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.449512][ T6930] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.450687][ T6930] x11: ffff0000d38a1ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.451925][ T6930] x8 : ffff0000d38a1ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 51.453157][ T6930] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.454296][ T6930] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.455584][ T6930] Call trace: [ 51.456068][ T6930] iopt_map_pages+0xd7c/0xdcc (P) [ 51.456810][ T6930] iopt_map_common+0x204/0x420 [ 51.457457][ T6930] iopt_map_user_pages+0xb4/0xd8 [ 51.458121][ T6930] iommufd_ioas_map+0x2d4/0x3d0 [ 51.458864][ T6930] iommufd_fops_ioctl+0x424/0x54c [ 51.459619][ T6930] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.460381][ T6930] invoke_syscall+0x98/0x254 [ 51.461053][ T6930] el0_svc_common+0xe8/0x23c [ 51.461711][ T6930] do_el0_svc+0x48/0x58 [ 51.462313][ T6930] el0_svc+0x5c/0x254 [ 51.462880][ T6930] el0t_64_sync_handler+0x84/0x12c [ 51.463651][ T6930] el0t_64_sync+0x198/0x19c [ 51.464307][ T6930] irq event stamp: 1444 [ 51.464938][ T6930] hardirqs last enabled at (1443): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.466497][ T6930] hardirqs last disabled at (1444): [] el1_brk64+0x20/0x54 [ 51.467829][ T6930] softirqs last enabled at (1410): [] local_bh_enable+0x10/0x34 [ 51.469280][ T6930] softirqs last disabled at (1408): [] local_bh_disable+0x10/0x34 [ 51.470779][ T6930] ---[ end trace 0000000000000000 ]--- [ 51.480040][ ** replaying previous printk message ** [ 51.480040][ T6931] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.480374][ T6931] ------------[ cut here ]------------ [ 51.480380][ T6931] WARNING: CPU: 0 PID: 6931 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.484483][ T6931] Modules linked in: [ 51.485081][ T6931] CPU: 0 UID: 0 PID: 6931 Comm: syz.0.209 Tainted: G W syzkaller #0 PREEMPT [ 51.486554][ T6931] Tainted: [W]=WARN [ 51.487093][ T6931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.488680][ T6931] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.489843][ T6931] pc : iopt_map_pages+0xd7c/0xdcc [ 51.490544][ T6931] lr : iopt_map_pages+0xd7c/0xdcc [ 51.491272][ T6931] sp : ffff80009d8c76c0 [ 51.491888][ T6931] x29: ffff80009d8c78a0 x28: ffff0000cc5b7010 x27: 1fffe000198b6e44 [ 51.493077][ T6931] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.494259][ T6931] x23: ffff0000cc5b7220 x22: ffff0000cc5b71f8 x21: 00000000ffffffea [ 51.495429][ T6931] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 51.496637][ T6931] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.497932][ T6931] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.499161][ T6931] x11: ffff0000d38a5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.500367][ T6931] x8 : ffff0000d38a5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 51.501555][ T6931] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.502742][ T6931] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.504013][ T6931] Call trace: [ 51.504482][ T6931] iopt_map_pages+0xd7c/0xdcc (P) [ 51.505270][ T6931] iopt_map_common+0x204/0x420 [ 51.506093][ T6931] iopt_map_user_pages+0xb4/0xd8 [ 51.506988][ T6931] iommufd_ioas_map+0x2d4/0x3d0 [ 51.507742][ T6931] iommufd_fops_ioctl+0x424/0x54c [ 51.508546][ T6931] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.509230][ T6931] invoke_syscall+0x98/0x254 [ 51.509939][ T6931] el0_svc_common+0xe8/0x23c [ 51.510644][ T6931] do_el0_svc+0x48/0x58 [ 51.511358][ T6931] el0_svc+0x5c/0x254 [ 51.511974][ T6931] el0t_64_sync_handler+0x84/0x12c [ 51.512684][ T6931] el0t_64_sync+0x198/0x19c [ 51.513382][ T6931] irq event stamp: 868 [ 51.513991][ T6931] hardirqs last enabled at (867): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.515503][ T6931] hardirqs last disabled at (868): [] el1_brk64+0x20/0x54 [ 51.516741][ T6931] softirqs last enabled at (140): [] local_bh_enable+0x10/0x34 [ 51.518166][ T6931] softirqs last disabled at (138): [] local_bh_disable+0x10/0x34 [ 51.519482][ T6931] ---[ end trace 0000000000000000 ]--- [ 51.528958][ T6932 ** replaying previous printk message ** [ 51.528958][ T6932] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.529303][ T6932] ------------[ cut here ]------------ [ 51.529308][ T6932] WARNING: CPU: 0 PID: 6932 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.533131][ T6932] Modules linked in: [ 51.533711][ T6932] CPU: 0 UID: 0 PID: 6932 Comm: syz.0.210 Tainted: G W syzkaller #0 PREEMPT [ 51.535248][ T6932] Tainted: [W]=WARN [ 51.535776][ T6932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.537170][ T6932] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.538307][ T6932] pc : iopt_map_pages+0xd7c/0xdcc [ 51.539026][ T6932] lr : iopt_map_pages+0xd7c/0xdcc [ 51.539737][ T6932] sp : ffff80009ec976c0 [ 51.540320][ T6932] x29: ffff80009ec978a0 x28: ffff0000cc5b6010 x27: 1fffe000198b6c44 [ 51.541517][ T6932] x26: ffff80009ec97b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.542771][ T6932] x23: ffff0000cc5b6220 x22: ffff0000cc5b61f8 x21: 00000000ffffffea [ 51.543999][ T6932] x20: dfff800000000000 x19: ffff80009ec979b0 x18: 0000000000000000 [ 51.545204][ T6932] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.546380][ T6932] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.547667][ T6932] x11: ffff0000cef68000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.548812][ T6932] x8 : ffff0000cef68000 x7 : 0000000000000000 x6 : 000000000000003f [ 51.550048][ T6932] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.551309][ T6932] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.552460][ T6932] Call trace: [ 51.552974][ T6932] iopt_map_pages+0xd7c/0xdcc (P) [ 51.553754][ T6932] iopt_map_common+0x204/0x420 [ 51.554499][ T6932] iopt_map_user_pages+0xb4/0xd8 [ 51.555214][ T6932] iommufd_ioas_map+0x2d4/0x3d0 [ 51.555970][ T6932] iommufd_fops_ioctl+0x424/0x54c [ 51.556725][ T6932] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.557479][ T6932] invoke_syscall+0x98/0x254 [ 51.558188][ T6932] el0_svc_common+0xe8/0x23c [ 51.559001][ T6932] do_el0_svc+0x48/0x58 [ 51.559720][ T6932] el0_svc+0x5c/0x254 [ 51.560300][ T6932] el0t_64_sync_handler+0x84/0x12c [ 51.561099][ T6932] el0t_64_sync+0x198/0x19c [ 51.561810][ T6932] irq event stamp: 1202 [ 51.562461][ T6932] hardirqs last enabled at (1201): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.563911][ T6932] hardirqs last disabled at (1202): [] el1_brk64+0x20/0x54 [ 51.565177][ T6932] softirqs last enabled at (134): [] local_bh_enable+0x10/0x34 [ 51.566549][ T6932] softirqs last disabled at (132): [] local_bh_disable+0x10/0x34 [ 51.567962][ T6932] ---[ end trace 0000000000000000 ]--- [ 51.576619][ T6933] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.578042][ T6933] ------------[ cut here ]------------ [ 51.578053][ T6933] WARNING: CPU: 0 PID: 6933 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.580329][ T6933] Modules linked in: [ 51.580919][ T6933] CPU: 0 UID: 0 PID: 6933 Comm: syz.0.211 Tainted: G W syzkaller #0 PREEMPT [ 51.582421][ T6933] Tainted: [W]=WARN [ 51.582942][ T6933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.584481][ T6933] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.585702][ T6933] pc : iopt_map_pages+0xd7c/0xdcc [ 51.586466][ T6933] lr : iopt_map_pages+0xd7c/0xdcc [ 51.587229][ T6933] sp : ffff80009ec876c0 [ 51.587896][ T6933] x29: ffff80009ec878a0 x28: ffff0000c88b3810 x27: 1fffe00019116744 [ 51.589264][ T6933] x26: ffff80009ec87b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.590421][ T6933] x23: ffff0000c88b3a20 x22: ffff0000c88b39f8 x21: 00000000ffffffea [ 51.591611][ T6933] x20: dfff800000000000 x19: ffff80009ec879b0 x18: 0000000000000000 [ 51.592843][ T6933] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.594017][ T6933] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.595294][ T6933] x11: ffff0000cef69ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.596464][ T6933] x8 : ffff0000cef69ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 51.597712][ T6933] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.598899][ T6933] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.600125][ T6933] Call trace: [ 51.600649][ T6933] iopt_map_pages+0xd7c/0xdcc (P) [ 51.601466][ T6933] iopt_map_common+0x204/0x420 [ 51.602188][ T6933] iopt_map_user_pages+0xb4/0xd8 [ 51.602891][ T6933] iommufd_ioas_map+0x2d4/0x3d0 [ 51.603631][ T6933] iommufd_fops_ioctl+0x424/0x54c [ 51.604395][ T6933] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.605120][ T6933] invoke_syscall+0x98/0x254 [ 51.605829][ T6933] el0_svc_common+0xe8/0x23c [ 51.606550][ T6933] do_el0_svc+0x48/0x58 [ 51.607145][ T6933] el0_svc+0x5c/0x254 [ 51.607759][ T6933] el0t_64_sync_handler+0x84/0x12c [ 51.608514][ T6933] el0t_64_sync+0x198/0x19c [ 51.609176][ T6933] irq event stamp: 1370 [ 51.609787][ T6933] hardirqs last enabled at (1369): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.611221][ T6933] hardirqs last disabled at (1370): [] el1_brk64+0x20/0x54 [ 51.612535][ T6933] softirqs last enabled at (1336): [] local_bh_enable+0x10/0x34 [ 51.613886][ T6933] softirqs last disabled at (1334): [] local_bh_disable+0x10/0x34 [ 51.615310][ T6933] ---[ end trace 0000000000000000 ]--- [ 51.623715][ T6934] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.625547][ T6934] ------------[ cut here ]------------ [ 51.625558][ T6934] WARNING: CPU: 1 PID: 6934 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.628021][ T6934] Modules linked in: [ 51.628632][ T6934] CPU: 1 UID: 0 PID: 6934 Comm: syz.0.212 Tainted: G W syzkaller #0 PREEMPT [ 51.630232][ T6934] Tainted: [W]=WARN [ 51.630843][ T6934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.632326][ T6934] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.633521][ T6934] pc : iopt_map_pages+0xd7c/0xdcc [ 51.634320][ T6934] lr : iopt_map_pages+0xd7c/0xdcc [ 51.635171][ T6934] sp : ffff80009eca76c0 [ 51.635765][ T6934] x29: ffff80009eca78a0 x28: ffff0000c88b1010 x27: 1fffe00019116244 [ 51.636942][ T6934] x26: ffff80009eca7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.638245][ T6934] x23: ffff0000c88b1220 x22: ffff0000c88b11f8 x21: 00000000ffffffea [ 51.639438][ T6934] x20: dfff800000000000 x19: ffff80009eca79b0 x18: 0000000000000000 [ 51.640748][ T6934] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.642001][ T6934] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.643343][ T6934] x11: ffff0000c8920000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.644652][ T6934] x8 : ffff0000c8920000 x7 : 0000000000000000 x6 : 000000000000003f [ 51.645863][ T6934] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.647154][ T6934] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.648401][ T6934] Call trace: [ 51.648899][ T6934] iopt_map_pages+0xd7c/0xdcc (P) [ 51.649692][ T6934] iopt_map_common+0x204/0x420 [ 51.650440][ T6934] iopt_map_user_pages+0xb4/0xd8 [ 51.651187][ T6934] iommufd_ioas_map+0x2d4/0x3d0 [ 51.651932][ T6934] iommufd_fops_ioctl+0x424/0x54c [ 51.652744][ T6934] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.653524][ T6934] invoke_syscall+0x98/0x254 [ 51.654236][ T6934] el0_svc_common+0xe8/0x23c [ 51.654946][ T6934] do_el0_svc+0x48/0x58 [ 51.655605][ T6934] el0_svc+0x5c/0x254 [ 51.656209][ T6934] el0t_64_sync_handler+0x84/0x12c [ 51.656998][ T6934] el0t_64_sync+0x198/0x19c [ 51.657744][ T6934] irq event stamp: 856 [ 51.658436][ T6934] hardirqs last enabled at (855): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.660066][ T6934] hardirqs last disabled at (856): [] el1_brk64+0x20/0x54 [ 51.661354][ T6934] softirqs last enabled at (160): [] local_bh_enable+0x10/0x34 [ 51.662737][ T6934] softirqs last disabled at (158): [] local_bh_disable+0x10/0x34 [ 51.664141][ T6934] ---[ end trace 0000000000000000 ]--- [ 51.672065][ T6935] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.673332][ T6935] ------------[ cut here ]------------ [ 51.673343][ T6935] WARNING: CPU: 0 PID: 6935 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.675883][ T6935] Modules linked in: [ 51.676484][ T6935] CPU: 0 UID: 0 PID: 6935 Comm: syz.0.213 Tainted: G W syzkaller #0 PREEMPT [ 51.678077][ T6935] Tainted: [W]=WARN [ 51.678604][ T6935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.680156][ T6935] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.681325][ T6935] pc : iopt_map_pages+0xd7c/0xdcc [ 51.682029][ T6935] lr : iopt_map_pages+0xd7c/0xdcc [ 51.682819][ T6935] sp : ffff80009d8c76c0 [ 51.683453][ T6935] x29: ffff80009d8c78a0 x28: ffff0000c88b0010 x27: 1fffe00019116044 [ 51.684681][ T6935] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.685832][ T6935] x23: ffff0000c88b0220 x22: ffff0000c88b01f8 x21: 00000000ffffffea [ 51.687039][ T6935] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 51.688171][ T6935] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.689373][ T6935] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.690511][ T6935] x11: ffff0000c72f3d80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.691755][ T6935] x8 : ffff0000c72f3d80 x7 : 0000000000000000 x6 : 000000000000003f [ 51.692938][ T6935] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.694093][ T6935] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.695234][ T6935] Call trace: [ 51.695729][ T6935] iopt_map_pages+0xd7c/0xdcc (P) [ 51.696464][ T6935] iopt_map_common+0x204/0x420 [ 51.697169][ T6935] iopt_map_user_pages+0xb4/0xd8 [ 51.697905][ T6935] iommufd_ioas_map+0x2d4/0x3d0 [ 51.698634][ T6935] iommufd_fops_ioctl+0x424/0x54c [ 51.699473][ T6935] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.700251][ T6935] invoke_syscall+0x98/0x254 [ 51.700932][ T6935] el0_svc_common+0xe8/0x23c [ 51.701648][ T6935] do_el0_svc+0x48/0x58 [ 51.702218][ T6935] el0_svc+0x5c/0x254 [ 51.702841][ T6935] el0t_64_sync_handler+0x84/0x12c [ 51.703598][ T6935] el0t_64_sync+0x198/0x19c [ 51.704211][ T6935] irq event stamp: 832 [ 51.704753][ T6935] hardirqs last enabled at (831): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.706182][ T6935] hardirqs last disabled at (832): [] el1_brk64+0x20/0x54 [ 51.707414][ T6935] softirqs last enabled at (798): [] local_bh_enable+0x10/0x34 [ 51.708686][ T6935] softirqs last disabled at (796): [] local_bh_disable+0x10/0x34 [ 51.710065][ T6935] ---[ end trace 0000000000000000 ]--- [ 51.719977][ T6936] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.721419][ T6936] ------------[ cut here ]------------ [ 51.721431][ T6936] WARNING: CPU: 0 PID: 6936 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.723768][ T6936] Modules linked in: [ 51.724338][ T6936] CPU: 0 UID: 0 PID: 6936 Comm: syz.0.214 Tainted: G W syzkaller #0 PREEMPT [ 51.725827][ T6936] Tainted: [W]=WARN [ 51.726419][ T6936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.728006][ T6936] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.729103][ T6936] pc : iopt_map_pages+0xd7c/0xdcc [ 51.729882][ T6936] lr : iopt_map_pages+0xd7c/0xdcc [ 51.730632][ T6936] sp : ffff80009d8c76c0 [ 51.731229][ T6936] x29: ffff80009d8c78a0 x28: ffff0000d6848010 x27: 1fffe0001ad09044 [ 51.732565][ T6936] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.733723][ T6936] x23: ffff0000d6848220 x22: ffff0000d68481f8 x21: 00000000ffffffea [ 51.734976][ T6936] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 51.736213][ T6936] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.737465][ T6936] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.738609][ T6936] x11: ffff0000c72f5c40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.739760][ T6936] x8 : ffff0000c72f5c40 x7 : 0000000000000000 x6 : 000000000000003f [ 51.740907][ T6936] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.742067][ T6936] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.743235][ T6936] Call trace: [ 51.743726][ T6936] iopt_map_pages+0xd7c/0xdcc (P) [ 51.744391][ T6936] iopt_map_common+0x204/0x420 [ 51.745066][ T6936] iopt_map_user_pages+0xb4/0xd8 [ 51.745816][ T6936] iommufd_ioas_map+0x2d4/0x3d0 [ 51.746503][ T6936] iommufd_fops_ioctl+0x424/0x54c [ 51.747215][ T6936] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.747923][ T6936] invoke_syscall+0x98/0x254 [ 51.748601][ T6936] el0_svc_common+0xe8/0x23c [ 51.749269][ T6936] do_el0_svc+0x48/0x58 [ 51.749864][ T6936] el0_svc+0x5c/0x254 [ 51.750447][ T6936] el0t_64_sync_handler+0x84/0x12c [ 51.751137][ T6936] el0t_64_sync+0x198/0x19c [ 51.751768][ T6936] irq event stamp: 858 [ 51.752313][ T6936] hardirqs last enabled at (857): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.753728][ T6936] hardirqs last disabled at (858): [] el1_brk64+0x20/0x54 [ 51.754955][ T6936] softirqs last enabled at (824): [] local_bh_enable+0x10/0x34 [ 51.756305][ T6936] softirqs last disabled at (822): [] local_bh_disable+0x10/0x34 [ 51.757655][ T6936] ---[ end trace 0000000000000000 ]--- [ 51.767177][ T6937] i ** replaying previous printk message ** [ 51.767177][ T6937] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.767576][ T6937] ------------[ cut here ]------------ [ 51.767581][ T6937] WARNING: CPU: 0 PID: 6937 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.771496][ T6937] Modules linked in: [ 51.772023][ T6937] CPU: 0 UID: 0 PID: 6937 Comm: syz.0.215 Tainted: G W syzkaller #0 PREEMPT [ 51.773424][ T6937] Tainted: [W]=WARN [ 51.773896][ T6937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.775376][ T6937] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.776583][ T6937] pc : iopt_map_pages+0xd7c/0xdcc [ 51.777306][ T6937] lr : iopt_map_pages+0xd7c/0xdcc [ 51.778033][ T6937] sp : ffff80009d8c76c0 [ 51.778635][ T6937] x29: ffff80009d8c78a0 x28: ffff0000cc5b5010 x27: 1fffe000198b6a44 [ 51.779825][ T6937] x26: ffff80009d8c7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.780990][ T6937] x23: ffff0000cc5b5220 x22: ffff0000cc5b51f8 x21: 00000000ffffffea [ 51.782218][ T6937] x20: dfff800000000000 x19: ffff80009d8c79b0 x18: 0000000000000000 [ 51.783546][ T6937] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.784844][ T6937] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.786113][ T6937] x11: ffff0000d784dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.787350][ T6937] x8 : ffff0000d784dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 51.788495][ T6937] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.789707][ T6937] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.790882][ T6937] Call trace: [ 51.791329][ T6937] iopt_map_pages+0xd7c/0xdcc (P) [ 51.792105][ T6937] iopt_map_common+0x204/0x420 [ 51.792805][ T6937] iopt_map_user_pages+0xb4/0xd8 [ 51.793465][ T6937] iommufd_ioas_map+0x2d4/0x3d0 [ 51.794177][ T6937] iommufd_fops_ioctl+0x424/0x54c [ 51.794920][ T6937] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.795615][ T6937] invoke_syscall+0x98/0x254 [ 51.796299][ T6937] el0_svc_common+0xe8/0x23c [ 51.796991][ T6937] do_el0_svc+0x48/0x58 [ 51.797587][ T6937] el0_svc+0x5c/0x254 [ 51.798149][ T6937] el0t_64_sync_handler+0x84/0x12c [ 51.798885][ T6937] el0t_64_sync+0x198/0x19c [ 51.799614][ T6937] irq event stamp: 862 [ 51.800207][ T6937] hardirqs last enabled at (861): [] ___slab_alloc+0x808/0x127c [ 51.801527][ T6937] hardirqs last disabled at (862): [] el1_brk64+0x20/0x54 [ 51.802735][ T6937] softirqs last enabled at (822): [] local_bh_enable+0x10/0x34 [ 51.804092][ T6937] softirqs last disabled at (820): [] local_bh_disable+0x10/0x34 [ 51.805430][ T6937] ---[ end trace 0000000000000000 ]--- [ 51.813039][ T6938] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.814317][ T6938] ------------[ cut here ]------------ [ 51.814328][ T6938] WARNING: CPU: 0 PID: 6938 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.816817][ T6938] Modules linked in: [ 51.817398][ T6938] CPU: 0 UID: 0 PID: 6938 Comm: syz.0.216 Tainted: G W syzkaller #0 PREEMPT [ 51.819022][ T6938] Tainted: [W]=WARN [ 51.819518][ T6938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.821039][ T6938] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.822161][ T6938] pc : iopt_map_pages+0xd7c/0xdcc [ 51.823009][ T6938] lr : iopt_map_pages+0xd7c/0xdcc [ 51.823763][ T6938] sp : ffff80009d9076c0 [ 51.824417][ T6938] x29: ffff80009d9078a0 x28: ffff0000d9488010 x27: 1fffe0001b291044 [ 51.825705][ T6938] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.826879][ T6938] x23: ffff0000d9488220 x22: ffff0000d94881f8 x21: 00000000ffffffea [ 51.828079][ T6938] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 51.829332][ T6938] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.830487][ T6938] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.831671][ T6938] x11: ffff0000d7848000 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.832883][ T6938] x8 : ffff0000d7848000 x7 : 0000000000000000 x6 : 000000000000003f [ 51.834103][ T6938] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.835269][ T6938] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.836408][ T6938] Call trace: [ 51.836886][ T6938] iopt_map_pages+0xd7c/0xdcc (P) [ 51.837587][ T6938] iopt_map_common+0x204/0x420 [ 51.838250][ T6938] iopt_map_user_pages+0xb4/0xd8 [ 51.838958][ T6938] iommufd_ioas_map+0x2d4/0x3d0 [ 51.839620][ T6938] iommufd_fops_ioctl+0x424/0x54c [ 51.840351][ T6938] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.841086][ T6938] invoke_syscall+0x98/0x254 [ 51.841762][ T6938] el0_svc_common+0xe8/0x23c [ 51.842469][ T6938] do_el0_svc+0x48/0x58 [ 51.843112][ T6938] el0_svc+0x5c/0x254 [ 51.843710][ T6938] el0t_64_sync_handler+0x84/0x12c [ 51.844428][ T6938] el0t_64_sync+0x198/0x19c [ 51.845173][ T6938] irq event stamp: 872 [ 51.845803][ T6938] hardirqs last enabled at (871): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.847186][ T6938] hardirqs last disabled at (872): [] el1_brk64+0x20/0x54 [ 51.848419][ T6938] softirqs last enabled at (838): [] local_bh_enable+0x10/0x34 [ 51.849826][ T6938] softirqs last disabled at (836): [] local_bh_disable+0x10/0x34 [ 51.851225][ T6938] ---[ end trace 0000000000000000 ]--- [ 51.861968][ T6939] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.863864][ T6939] ------------[ cut here ]------------ [ 51.863874][ T6939] WARNING: CPU: 1 PID: 6939 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.866412][ T6939] Modules linked in: [ 51.867079][ T6939] CPU: 1 UID: 0 PID: 6939 Comm: syz.0.217 Tainted: G W syzkaller #0 PREEMPT [ 51.868673][ T6939] Tainted: [W]=WARN [ 51.869238][ T6939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.870730][ T6939] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.871892][ T6939] pc : iopt_map_pages+0xd7c/0xdcc [ 51.872647][ T6939] lr : iopt_map_pages+0xd7c/0xdcc [ 51.873354][ T6939] sp : ffff80009d9076c0 [ 51.873996][ T6939] x29: ffff80009d9078a0 x28: ffff0000d66f1010 x27: 1fffe0001acde244 [ 51.875207][ T6939] x26: ffff80009d907b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.876375][ T6939] x23: ffff0000d66f1220 x22: ffff0000d66f11f8 x21: 00000000ffffffea [ 51.877563][ T6939] x20: dfff800000000000 x19: ffff80009d9079b0 x18: 0000000000000000 [ 51.878815][ T6939] x17: ffff0001fea8c870 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.880099][ T6939] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.881297][ T6939] x11: ffff0000c72f1ec0 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.882468][ T6939] x8 : ffff0000c72f1ec0 x7 : 0000000000000000 x6 : 000000000000003f [ 51.883699][ T6939] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.884873][ T6939] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.886041][ T6939] Call trace: [ 51.886493][ T6939] iopt_map_pages+0xd7c/0xdcc (P) [ 51.887310][ T6939] iopt_map_common+0x204/0x420 [ 51.888040][ T6939] iopt_map_user_pages+0xb4/0xd8 [ 51.888785][ T6939] iommufd_ioas_map+0x2d4/0x3d0 [ 51.889577][ T6939] iommufd_fops_ioctl+0x424/0x54c [ 51.890376][ T6939] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.891189][ T6939] invoke_syscall+0x98/0x254 [ 51.891859][ T6939] el0_svc_common+0xe8/0x23c [ 51.892523][ T6939] do_el0_svc+0x48/0x58 [ 51.893136][ T6939] el0_svc+0x5c/0x254 [ 51.893772][ T6939] el0t_64_sync_handler+0x84/0x12c [ 51.894529][ T6939] el0t_64_sync+0x198/0x19c [ 51.895223][ T6939] irq event stamp: 872 [ 51.895798][ T6939] hardirqs last enabled at (871): [] ___slab_alloc+0x808/0x127c [ 51.897163][ T6939] hardirqs last disabled at (872): [] el1_brk64+0x20/0x54 [ 51.898497][ T6939] softirqs last enabled at (828): [] local_bh_enable+0x10/0x34 [ 51.899878][ T6939] softirqs last disabled at (826): [] local_bh_disable+0x10/0x34 [ 51.901149][ T6939] ---[ end trace 0000000000000000 ]--- [ 51.910722][ T6940] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.912061][ T6940] ------------[ cut here ]------------ [ 51.912072][ T6940] WARNING: CPU: 0 PID: 6940 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.914563][ T6940] Modules linked in: [ 51.915173][ T6940] CPU: 0 UID: 0 PID: 6940 Comm: syz.0.218 Tainted: G W syzkaller #0 PREEMPT [ 51.916722][ T6940] Tainted: [W]=WARN [ 51.917295][ T6940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.918857][ T6940] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.919992][ T6940] pc : iopt_map_pages+0xd7c/0xdcc [ 51.920758][ T6940] lr : iopt_map_pages+0xd7c/0xdcc [ 51.921464][ T6940] sp : ffff80009f3e76c0 [ 51.922062][ T6940] x29: ffff80009f3e78a0 x28: ffff0000d66f0010 x27: 1fffe0001acde044 [ 51.923301][ T6940] x26: ffff80009f3e7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.924554][ T6940] x23: ffff0000d66f0220 x22: ffff0000d66f01f8 x21: 00000000ffffffea [ 51.925742][ T6940] x20: dfff800000000000 x19: ffff80009f3e79b0 x18: 0000000000000000 [ 51.926875][ T6940] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.928160][ T6940] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.929328][ T6940] x11: ffff0000d738dc40 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.930599][ T6940] x8 : ffff0000d738dc40 x7 : 0000000000000000 x6 : 000000000000003f [ 51.931767][ T6940] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.932946][ T6940] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.934168][ T6940] Call trace: [ 51.934585][ T6940] iopt_map_pages+0xd7c/0xdcc (P) [ 51.935306][ T6940] iopt_map_common+0x204/0x420 [ 51.936008][ T6940] iopt_map_user_pages+0xb4/0xd8 [ 51.936783][ T6940] iommufd_ioas_map+0x2d4/0x3d0 [ 51.937488][ T6940] iommufd_fops_ioctl+0x424/0x54c [ 51.938209][ T6940] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.938925][ T6940] invoke_syscall+0x98/0x254 [ 51.939561][ T6940] el0_svc_common+0xe8/0x23c [ 51.940182][ T6940] do_el0_svc+0x48/0x58 [ 51.940778][ T6940] el0_svc+0x5c/0x254 [ 51.941390][ T6940] el0t_64_sync_handler+0x84/0x12c [ 51.942102][ T6940] el0t_64_sync+0x198/0x19c [ 51.942758][ T6940] irq event stamp: 842 [ 51.943385][ T6940] hardirqs last enabled at (841): [] ___slab_alloc+0x808/0x127c [ 51.944786][ T6940] hardirqs last disabled at (842): [] el1_brk64+0x20/0x54 [ 51.946036][ T6940] softirqs last enabled at (794): [] local_bh_enable+0x10/0x34 [ 51.947356][ T6940] softirqs last disabled at (792): [] local_bh_disable+0x10/0x34 [ 51.948693][ T6940] ---[ end trace 0000000000000000 ]--- [ 51.957792][ T6941] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 51.959191][ T6941] ------------[ cut here ]------------ [ 51.959202][ T6941] WARNING: CPU: 0 PID: 6941 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 51.961694][ T6941] Modules linked in: [ 51.962241][ T6941] CPU: 0 UID: 0 PID: 6941 Comm: syz.0.219 Tainted: G W syzkaller #0 PREEMPT [ 51.963726][ T6941] Tainted: [W]=WARN [ 51.964352][ T6941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.965868][ T6941] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.967070][ T6941] pc : iopt_map_pages+0xd7c/0xdcc [ 51.967851][ T6941] lr : iopt_map_pages+0xd7c/0xdcc [ 51.968591][ T6941] sp : ffff80009f3e76c0 [ 51.969246][ T6941] x29: ffff80009f3e78a0 x28: ffff0000d66f3810 x27: 1fffe0001acde744 [ 51.970467][ T6941] x26: ffff80009f3e7b00 x25: 0000000000002fff x24: 0000000000003000 [ 51.971788][ T6941] x23: ffff0000d66f3a20 x22: ffff0000d66f39f8 x21: 00000000ffffffea [ 51.973094][ T6941] x20: dfff800000000000 x19: ffff80009f3e79b0 x18: 0000000000000000 [ 51.974264][ T6941] x17: 0000000000000000 x16: ffff80008052b3c8 x15: 0000000000000007 [ 51.975467][ T6941] x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100 [ 51.976655][ T6941] x11: ffff0000d738bd80 x10: 0000000000ff0100 x9 : 0000000000000000 [ 51.977865][ T6941] x8 : ffff0000d738bd80 x7 : 0000000000000000 x6 : 000000000000003f [ 51.979098][ T6941] x5 : 0000000000000040 x4 : ffffffffffffefff x3 : ffffffffffffefff [ 51.980252][ T6941] x2 : 0000000000f03fff x1 : 00000000ffffffea x0 : 0000000000000000 [ 51.981422][ T6941] Call trace: [ 51.981902][ T6941] iopt_map_pages+0xd7c/0xdcc (P) [ 51.982616][ T6941] iopt_map_common+0x204/0x420 [ 51.983413][ T6941] iopt_map_user_pages+0xb4/0xd8 [ 51.984106][ T6941] iommufd_ioas_map+0x2d4/0x3d0 [ 51.984817][ T6941] iommufd_fops_ioctl+0x424/0x54c [ 51.985508][ T6941] __arm64_sys_ioctl+0x14c/0x1c4 [ 51.986282][ T6941] invoke_syscall+0x98/0x254 [ 51.987009][ T6941] el0_svc_common+0xe8/0x23c [ 51.987711][ T6941] do_el0_svc+0x48/0x58 [ 51.988349][ T6941] el0_svc+0x5c/0x254 [ 51.988928][ T6941] el0t_64_sync_handler+0x84/0x12c [ 51.989670][ T6941] el0t_64_sync+0x198/0x19c [ 51.990348][ T6941] irq event stamp: 846 [ 51.991000][ T6941] hardirqs last enabled at (845): [] kasan_quarantine_put+0x1a0/0x1c8 [ 51.992521][ T6941] hardirqs last disabled at (846): [] el1_brk64+0x20/0x54 [ 51.993856][ T6941] softirqs last enabled at (812): [] local_bh_enable+0x10/0x34 [ 51.995209][ T6941] softirqs last disabled at (810): [] local_bh_disable+0x10/0x34 [ 51.996533][ T6941] ---[ end trace 0000000000000000 ]--- [ 52.004141][ T6942] iommufd_mock iommufd_mock0: Adding to iommu group 0 [ 52.005472][ T6942] ------------[ cut here ]------------ [ 52.005478][ T6942] WARNING: CPU: 0 PID: 6942 at drivers/iommu/iommufd/io_pagetable.c:292 iopt_map_pages+0xd7c/0xdcc [ 52.007964][ T6942] Modules linked in: