Warning: Permanently added '10.128.1.200' (ED25519) to the list of known hosts. 2026/02/26 20:55:39 parsed 1 programs [ 110.493926][ T6180] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 113.194353][ T5873] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 113.202601][ T5873] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 113.210972][ T5873] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 113.221541][ T5873] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 113.229265][ T5873] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 113.538068][ T1035] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 113.545898][ T1035] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 113.567924][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 113.575914][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 114.091227][ T6220] chnl_net:caif_netlink_parms(): no params data found [ 114.161095][ T6220] bridge0: port 1(bridge_slave_0) entered blocking state [ 114.168464][ T6220] bridge0: port 1(bridge_slave_0) entered disabled state [ 114.175600][ T6220] bridge_slave_0: entered allmulticast mode [ 114.182717][ T6220] bridge_slave_0: entered promiscuous mode [ 114.190206][ T6220] bridge0: port 2(bridge_slave_1) entered blocking state [ 114.197455][ T6220] bridge0: port 2(bridge_slave_1) entered disabled state [ 114.204683][ T6220] bridge_slave_1: entered allmulticast mode [ 114.212751][ T6220] bridge_slave_1: entered promiscuous mode [ 114.257557][ T6220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 114.269095][ T6220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 114.298404][ T6220] team0: Port device team_slave_0 added [ 114.306203][ T6220] team0: Port device team_slave_1 added [ 114.340744][ T6220] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 114.347769][ T6220] 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. [ 114.374483][ T6220] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 114.390506][ T6220] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 114.397505][ T6220] 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. [ 114.423955][ T6220] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 114.464429][ T6220] hsr_slave_0: entered promiscuous mode [ 114.470695][ T6220] hsr_slave_1: entered promiscuous mode [ 114.947541][ T6220] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 114.960275][ T6220] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 114.970509][ T6220] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 114.983876][ T6220] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 115.024040][ T6220] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.031259][ T6220] bridge0: port 2(bridge_slave_1) entered forwarding state [ 115.038771][ T6220] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.045960][ T6220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 115.121804][ T6220] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.139540][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 115.149779][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 115.171675][ T6220] 8021q: adding VLAN 0 to HW filter on device team0 [ 115.186454][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.193548][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 115.212224][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.219401][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 115.440017][ T6220] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 115.490969][ T6220] veth0_vlan: entered promiscuous mode [ 115.509336][ T6220] veth1_vlan: entered promiscuous mode [ 115.544892][ T6220] veth0_macvtap: entered promiscuous mode [ 115.559300][ T6220] veth1_macvtap: entered promiscuous mode [ 115.586433][ T6220] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 115.600793][ T6220] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 115.616783][ T1035] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.627726][ T1035] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.638344][ T1035] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.652637][ T1035] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.798796][ T1035] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.868598][ T1035] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.935364][ T1035] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.017817][ T1035] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 118.174334][ T1035] bridge_slave_1: left allmulticast mode [ 118.182634][ T1035] bridge_slave_1: left promiscuous mode [ 118.191515][ T1035] bridge0: port 2(bridge_slave_1) entered disabled state [ 118.208009][ T1035] bridge_slave_0: left allmulticast mode [ 118.213685][ T1035] bridge_slave_0: left promiscuous mode [ 118.236355][ T1035] bridge0: port 1(bridge_slave_0) entered disabled state [ 118.486595][ T1035] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 118.511065][ T1035] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 118.527676][ T1035] bond0 (unregistering): Released all slaves 2026/02/26 20:55:51 executed programs: 0 [ 118.708492][ T1035] hsr_slave_0: left promiscuous mode [ 118.715369][ T5873] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 118.723113][ T1035] hsr_slave_1: left promiscuous mode [ 118.729446][ T5873] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 118.732286][ T1035] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 118.746617][ T1035] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 118.747403][ T5873] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 118.762417][ T5873] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 118.762513][ T1035] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 118.777481][ T1035] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 118.790958][ T5873] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 118.800597][ T1035] veth1_macvtap: left promiscuous mode [ 118.810639][ T1035] veth0_macvtap: left promiscuous mode [ 118.830856][ T1035] veth1_vlan: left promiscuous mode [ 118.836387][ T1035] veth0_vlan: left promiscuous mode [ 119.090891][ T1035] team0 (unregistering): Port device team_slave_1 removed [ 119.109073][ T1035] team0 (unregistering): Port device team_slave_0 removed [ 119.505788][ T6392] chnl_net:caif_netlink_parms(): no params data found [ 119.727814][ T6392] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.735049][ T6392] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.742389][ T6392] bridge_slave_0: entered allmulticast mode [ 119.751153][ T6392] bridge_slave_0: entered promiscuous mode [ 119.765716][ T6392] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.776602][ T6392] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.783805][ T6392] bridge_slave_1: entered allmulticast mode [ 119.792569][ T6392] bridge_slave_1: entered promiscuous mode [ 119.851370][ T6392] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 119.871936][ T6392] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 120.298919][ T6392] team0: Port device team_slave_0 added [ 120.307482][ T6392] team0: Port device team_slave_1 added [ 120.348781][ T6392] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 120.355753][ T6392] 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. [ 120.389223][ T6392] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 120.418089][ T6392] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 120.435708][ T6392] 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. [ 120.462435][ T6392] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 120.605319][ T6392] hsr_slave_0: entered promiscuous mode [ 120.618429][ T6392] hsr_slave_1: entered promiscuous mode [ 120.842101][ T5143] Bluetooth: hci0: command tx timeout [ 121.145998][ T6392] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 121.155491][ T6392] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 121.164633][ T6392] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 121.173968][ T6392] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 121.230343][ T6392] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.245789][ T6392] 8021q: adding VLAN 0 to HW filter on device team0 [ 121.258950][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.266035][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 121.278720][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.285930][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 121.428094][ T6392] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 121.463003][ T6392] veth0_vlan: entered promiscuous mode [ 121.472807][ T6392] veth1_vlan: entered promiscuous mode [ 121.497973][ T6392] veth0_macvtap: entered promiscuous mode [ 121.507230][ T6392] veth1_macvtap: entered promiscuous mode [ 121.523499][ T6392] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 121.536791][ T6392] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 121.550742][ T1035] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.560524][ T1035] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.573496][ T1035] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.583425][ T1035] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.634060][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 121.643617][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 121.671329][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 121.679343][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 121.720950][ T6470] FAULT_INJECTION: forcing a failure. [ 121.720950][ T6470] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 121.721235][ T6470] [ 121.721240][ T6470] ====================================================== [ 121.721245][ T6470] WARNING: possible circular locking dependency detected [ 121.721255][ T6470] syzkaller #0 Not tainted [ 121.721259][ T6470] ------------------------------------------------------ [ 121.721263][ T6470] syz.0.17/6470 is trying to acquire lock: [ 121.721268][ T6470] ffffffff8e7526c0 (console_owner){....}-{0:0}, at: console_flush_all+0x123/0xb20 [ 121.721305][ T6470] [ 121.721305][ T6470] but task is already holding lock: [ 121.721308][ T6470] ffff8880b863a518 (&pool->lock){-.-.}-{2:2}, at: __queue_work+0x80b/0x1020 [ 121.721332][ T6470] [ 121.721332][ T6470] which lock already depends on the new lock. [ 121.721332][ T6470] [ 121.721335][ T6470] [ 121.721335][ T6470] the existing dependency chain (in reverse order) is: [ 121.721339][ T6470] [ 121.721339][ T6470] -> #3 (&pool->lock){-.-.}-{2:2}: [ 121.721351][ T6470] _raw_spin_lock+0x2e/0x40 [ 121.721363][ T6470] __queue_work+0x80b/0x1020 [ 121.721375][ T6470] queue_work_on+0x106/0x1d0 [ 121.721390][ T6470] rpm_suspend+0xe85/0x1750 [ 121.721404][ T6470] __pm_runtime_idle+0x12f/0x1a0 [ 121.721417][ T6470] __device_attach+0x34f/0x450 [ 121.721425][ T6470] device_initial_probe+0xa1/0xd0 [ 121.721432][ T6470] bus_probe_device+0x12a/0x220 [ 121.721444][ T6470] device_add+0x7b6/0xb70 [ 121.721456][ T6470] serial_base_port_add+0x18f/0x260 [ 121.721470][ T6470] serial_core_register_port+0x375/0x28a0 [ 121.721481][ T6470] serial8250_register_8250_port+0x1658/0x1fd0 [ 121.721490][ T6470] serial_pnp_probe+0x568/0x7f0 [ 121.721500][ T6470] pnp_device_probe+0x30b/0x4c0 [ 121.721509][ T6470] really_probe+0x267/0xaf0 [ 121.721517][ T6470] __driver_probe_device+0x18c/0x320 [ 121.721525][ T6470] driver_probe_device+0x4f/0x240 [ 121.721534][ T6470] __driver_attach+0x3e7/0x710 [ 121.721541][ T6470] bus_for_each_dev+0x23b/0x2c0 [ 121.721559][ T6470] bus_add_driver+0x345/0x670 [ 121.721570][ T6470] driver_register+0x23a/0x320 [ 121.721580][ T6470] serial8250_init+0x8f/0x160 [ 121.721590][ T6470] do_one_initcall+0x250/0x8d0 [ 121.721603][ T6470] do_initcall_level+0x104/0x190 [ 121.721616][ T6470] do_initcalls+0x59/0xa0 [ 121.721628][ T6470] kernel_init_freeable+0x2a6/0x3e0 [ 121.721640][ T6470] kernel_init+0x1d/0x1d0 [ 121.721650][ T6470] ret_from_fork+0x51e/0xb90 [ 121.721661][ T6470] ret_from_fork_asm+0x1a/0x30 [ 121.721674][ T6470] [ 121.721674][ T6470] -> #2 (&dev->power.lock){-.-.}-{3:3}: [ 121.721686][ T6470] _raw_spin_lock_irqsave+0x40/0x60 [ 121.721698][ T6470] __pm_runtime_resume+0x10f/0x180 [ 121.721711][ T6470] __uart_start+0x171/0x460 [ 121.721721][ T6470] uart_write+0x265/0xa10 [ 121.721731][ T6470] n_tty_write+0xd84/0x12a0 [ 121.721745][ T6470] file_tty_write+0x559/0xa20 [ 121.721755][ T6470] vfs_write+0x61d/0xb90 [ 121.721763][ T6470] ksys_write+0x150/0x270 [ 121.721771][ T6470] do_syscall_64+0x14d/0xf80 [ 121.721784][ T6470] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 121.721793][ T6470] [ 121.721793][ T6470] -> #1 (&port_lock_key){-.-.}-{3:3}: [ 121.721805][ T6470] _raw_spin_lock_irqsave+0x40/0x60 [ 121.721816][ T6470] serial8250_console_write+0x150/0x1ba0 [ 121.721828][ T6470] console_flush_all+0x718/0xb20 [ 121.721836][ T6470] console_unlock+0xd1/0x1c0 [ 121.721849][ T6470] vprintk_emit+0x485/0x560 [ 121.721862][ T6470] _printk+0xdd/0x130 [ 121.721869][ T6470] register_console+0xbc2/0xfa0 [ 121.721877][ T6470] univ8250_console_init+0x3a/0x70 [ 121.721887][ T6470] console_init+0x10b/0x4d0 [ 121.721896][ T6470] start_kernel+0x22b/0x3d0 [ 121.721907][ T6470] x86_64_start_reservations+0x24/0x30 [ 121.721917][ T6470] x86_64_start_kernel+0x143/0x1c0 [ 121.721925][ T6470] common_startup_64+0x13e/0x147 [ 121.721934][ T6470] [ 121.721934][ T6470] -> #0 (console_owner){....}-{0:0}: [ 121.721945][ T6470] __lock_acquire+0x15a5/0x2cf0 [ 121.721956][ T6470] lock_acquire+0xf0/0x2e0 [ 121.721966][ T6470] console_flush_all+0x6c1/0xb20 [ 121.721974][ T6470] console_unlock+0xd1/0x1c0 [ 121.721987][ T6470] vprintk_emit+0x485/0x560 [ 121.721999][ T6470] _printk+0xdd/0x130 [ 121.722006][ T6470] should_fail_ex+0x3f3/0x560 [ 121.722015][ T6470] strncpy_from_user+0x36/0x2b0 [ 121.722024][ T6470] strncpy_from_user_nofault+0x71/0x150 [ 121.722035][ T6470] bpf_probe_read_compat_str+0xe1/0x180 [ 121.722046][ T6470] bpf_prog_a259ef856bcc7fdb+0x46/0x4c [ 121.722058][ T6470] bpf_trace_run1+0x36f/0x830 [ 121.722071][ T6470] __bpf_trace_workqueue_activate_work+0xc1/0x110 [ 121.722083][ T6470] trace_workqueue_activate_work+0x187/0x200 [ 121.722098][ T6470] __queue_work+0xcf3/0x1020 [ 121.722110][ T6470] queue_work_on+0x106/0x1d0 [ 121.722121][ T6470] net_enable_timestamp+0x14b/0x1a0 [ 121.722133][ T6470] sk_setsockopt+0x1b6c/0x2e80 [ 121.722144][ T6470] do_sock_setsockopt+0x11b/0x1b0 [ 121.722156][ T6470] __x64_sys_setsockopt+0x13d/0x1b0 [ 121.722168][ T6470] do_syscall_64+0x14d/0xf80 [ 121.722181][ T6470] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 121.722190][ T6470] [ 121.722190][ T6470] other info that might help us debug this: [ 121.722190][ T6470] [ 121.722193][ T6470] Chain exists of: [ 121.722193][ T6470] console_owner --> &dev->power.lock --> &pool->lock [ 121.722193][ T6470] [ 121.722207][ T6470] Possible unsafe locking scenario: [ 121.722207][ T6470] [ 121.722210][ T6470] CPU0 CPU1 [ 121.722213][ T6470] ---- ---- [ 121.722216][ T6470] lock(&pool->lock); [ 121.722222][ T6470] lock(&dev->power.lock); [ 121.722229][ T6470] lock(&pool->lock); [ 121.722235][ T6470] lock(console_owner); [ 121.722241][ T6470] [ 121.722241][ T6470] *** DEADLOCK *** [ 121.722241][ T6470] [ 121.722243][ T6470] 6 locks held by syz.0.17/6470: [ 121.722249][ T6470] #0: ffff888034ebcae0 (sk_lock-AF_TIPC){+.+.}-{0:0}, at: sk_setsockopt+0xe62/0x2e80 [ 121.722273][ T6470] #1: ffffffff8e7602e0 (rcu_read_lock){....}-{1:3}, at: __queue_work+0x1a1/0x1020 [ 121.722297][ T6470] #2: ffff8880b863a518 (&pool->lock){-.-.}-{2:2}, at: __queue_work+0x80b/0x1020 [ 121.722321][ T6470] #3: ffffffff8e7602e0 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run1+0x1cf/0x830 [ 121.722346][ T6470] #4: ffffffff8e752720 (console_lock){+.+.}-{0:0}, at: _printk+0xdd/0x130 [ 121.722366][ T6470] #5: ffffffff8e639fd8 (console_srcu){....}-{0:0}, at: console_flush_all+0x123/0xb20 [ 121.722386][ T6470] [ 121.722386][ T6470] stack backtrace: [ 121.722400][ T6470] CPU: 0 UID: 0 PID: 6470 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 121.722410][ T6470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 121.722422][ T6470] Call Trace: [ 121.722426][ T6470] [ 121.722429][ T6470] dump_stack_lvl+0xe8/0x150 [ 121.722443][ T6470] print_circular_bug+0x2e1/0x300 [ 121.722457][ T6470] check_noncircular+0x12e/0x150 [ 121.722472][ T6470] __lock_acquire+0x15a5/0x2cf0 [ 121.722488][ T6470] lock_acquire+0xf0/0x2e0 [ 121.722499][ T6470] ? console_flush_all+0x123/0xb20 [ 121.722509][ T6470] ? do_raw_spin_unlock+0xf5/0x210 [ 121.722519][ T6470] ? console_flush_all+0x123/0xb20 [ 121.722528][ T6470] console_flush_all+0x6c1/0xb20 [ 121.722536][ T6470] ? console_flush_all+0x123/0xb20 [ 121.722545][ T6470] ? console_flush_all+0x123/0xb20 [ 121.722560][ T6470] ? __pfx_console_flush_all+0x10/0x10 [ 121.722570][ T6470] ? is_printk_cpu_sync_owner+0x32/0x40 [ 121.722581][ T6470] console_unlock+0xd1/0x1c0 [ 121.722595][ T6470] ? __pfx_console_unlock+0x10/0x10 [ 121.722608][ T6470] ? _raw_spin_unlock+0x10/0x50 [ 121.722620][ T6470] ? _printk+0xdd/0x130 [ 121.722629][ T6470] vprintk_emit+0x485/0x560 [ 121.722643][ T6470] ? unwind_next_frame+0xa5/0x23c0 [ 121.722657][ T6470] ? lock_release+0x4b/0x3d0 [ 121.722668][ T6470] ? __pfx_vprintk_emit+0x10/0x10 [ 121.722681][ T6470] ? unwind_next_frame+0xa5/0x23c0 [ 121.722694][ T6470] ? rcu_is_watching+0x15/0xb0 [ 121.722709][ T6470] _printk+0xdd/0x130 [ 121.722718][ T6470] ? __pfx__printk+0x10/0x10 [ 121.722726][ T6470] ? __lock_acquire+0x6b5/0x2cf0 [ 121.722738][ T6470] ? kernel_text_address+0xa5/0xe0 [ 121.722748][ T6470] ? ___ratelimit+0x58c/0x8d0 [ 121.722761][ T6470] ? __kernel_text_address+0xd/0x30 [ 121.722772][ T6470] should_fail_ex+0x3f3/0x560 [ 121.722782][ T6470] strncpy_from_user+0x36/0x2b0 [ 121.722793][ T6470] strncpy_from_user_nofault+0x71/0x150 [ 121.722804][ T6470] bpf_probe_read_compat_str+0xe1/0x180 [ 121.722816][ T6470] bpf_prog_a259ef856bcc7fdb+0x46/0x4c [ 121.722824][ T6470] bpf_trace_run1+0x36f/0x830 [ 121.722837][ T6470] ? add_lock_to_list+0xc7/0x100 [ 121.722850][ T6470] ? __lock_acquire+0x146e/0x2cf0 [ 121.722862][ T6470] ? bpf_trace_run1+0x1cf/0x830 [ 121.722874][ T6470] ? __pfx_bpf_trace_run1+0x10/0x10 [ 121.722889][ T6470] ? __bpf_trace_workqueue_activate_work+0xa8/0x110 [ 121.722903][ T6470] __bpf_trace_workqueue_activate_work+0xc1/0x110 [ 121.722916][ T6470] ? __pfx___bpf_trace_workqueue_activate_work+0x10/0x10 [ 121.722929][ T6470] ? do_raw_spin_lock+0x12b/0x2f0 [ 121.722939][ T6470] ? __pfx_pwq_tryinc_nr_active+0x10/0x10 [ 121.722951][ T6470] trace_workqueue_activate_work+0x187/0x200 [ 121.722963][ T6470] __queue_work+0xcf3/0x1020 [ 121.722977][ T6470] ? __queue_work+0x1a1/0x1020 [ 121.722990][ T6470] queue_work_on+0x106/0x1d0 [ 121.723003][ T6470] net_enable_timestamp+0x14b/0x1a0 [ 121.723015][ T6470] ? __pfx_net_enable_timestamp+0x10/0x10 [ 121.723027][ T6470] ? sk_setsockopt+0xe62/0x2e80 [ 121.723039][ T6470] ? sock_set_timestamp+0x407/0x5e0 [ 121.723051][ T6470] sk_setsockopt+0x1b6c/0x2e80 [ 121.723064][ T6470] ? __pfx_sk_setsockopt+0x10/0x10 [ 121.723076][ T6470] ? aa_sk_perm+0x6d5/0x900 [ 121.723088][ T6470] ? __pfx_aa_sk_perm+0x10/0x10 [ 121.723097][ T6470] ? __fget_files+0x2a/0x420 [ 121.723110][ T6470] ? aa_sock_opt_perm+0xff/0x1a0 [ 121.723121][ T6470] ? bpf_lsm_socket_setsockopt+0x9/0x20 [ 121.723133][ T6470] do_sock_setsockopt+0x11b/0x1b0 [ 121.723147][ T6470] __x64_sys_setsockopt+0x13d/0x1b0 [ 121.723160][ T6470] do_syscall_64+0x14d/0xf80 [ 121.723174][ T6470] ? trace_irq_disable+0x3b/0x150 [ 121.723188][ T6470] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 121.723197][ T6470] ? clear_bhb_loop+0x40/0x90 [ 121.723208][ T6470] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 121.723217][ T6470] RIP: 0033:0x7f65f019a339 [ 121.723226][ T6470] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 121.723234][ T6470] RSP: 002b:00007f65ef7fe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 121.723243][ T6470] RAX: ffffffffffffffda RBX: 00007f65f03d5fa0 RCX: 00007f65f019a339 [ 121.723251][ T6470] RDX: 000000000000001d RSI: 0000000000000001 RDI: 0000000000000005 [ 121.723256][ T6470] RBP: 00007f65ef7fe090 R08: 0000000000000004 R09: 0000000000000000 [ 121.723268][ T6470] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000001 [ 121.723274][ T6470] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 121.723284][ T6470] [ 122.812260][ T6470] CPU: 0 UID: 0 PID: 6470 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 122.812275][ T6470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 122.812281][ T6470] Call Trace: [ 122.812289][ T6470] [ 122.812295][ T6470] dump_stack_lvl+0xe8/0x150 [ 122.812312][ T6470] should_fail_ex+0x412/0x560 [ 122.812326][ T6470] strncpy_from_user+0x36/0x2b0 [ 122.812337][ T6470] strncpy_from_user_nofault+0x71/0x150 [ 122.812350][ T6470] bpf_probe_read_compat_str+0xe1/0x180 [ 122.812363][ T6470] bpf_prog_a259ef856bcc7fdb+0x46/0x4c [ 122.812372][ T6470] bpf_trace_run1+0x36f/0x830 [ 122.812386][ T6470] ? add_lock_to_list+0xc7/0x100 [ 122.812401][ T6470] ? __lock_acquire+0x146e/0x2cf0 [ 122.812412][ T6470] ? bpf_trace_run1+0x1cf/0x830 [ 122.812425][ T6470] ? __pfx_bpf_trace_run1+0x10/0x10 [ 122.812444][ T6470] ? __bpf_trace_workqueue_activate_work+0xa8/0x110 [ 122.812460][ T6470] __bpf_trace_workqueue_activate_work+0xc1/0x110 [ 122.812473][ T6470] ? __pfx___bpf_trace_workqueue_activate_work+0x10/0x10 [ 122.812486][ T6470] ? do_raw_spin_lock+0x12b/0x2f0 [ 122.812496][ T6470] ? __pfx_pwq_tryinc_nr_active+0x10/0x10 [ 122.812508][ T6470] trace_workqueue_activate_work+0x187/0x200 [ 122.812521][ T6470] __queue_work+0xcf3/0x1020 [ 122.812535][ T6470] ? __queue_work+0x1a1/0x1020 [ 122.812551][ T6470] queue_work_on+0x106/0x1d0 [ 122.812564][ T6470] net_enable_timestamp+0x14b/0x1a0 [ 122.812578][ T6470] ? __pfx_net_enable_timestamp+0x10/0x10 [ 122.812590][ T6470] ? sk_setsockopt+0xe62/0x2e80 [ 122.812603][ T6470] ? sock_set_timestamp+0x407/0x5e0 [ 122.812615][ T6470] sk_setsockopt+0x1b6c/0x2e80 [ 122.812629][ T6470] ? __pfx_sk_setsockopt+0x10/0x10 [ 122.812641][ T6470] ? aa_sk_perm+0x6d5/0x900 [ 122.812653][ T6470] ? __pfx_aa_sk_perm+0x10/0x10 [ 122.812663][ T6470] ? __fget_files+0x2a/0x420 [ 122.812676][ T6470] ? aa_sock_opt_perm+0xff/0x1a0 [ 122.812689][ T6470] ? bpf_lsm_socket_setsockopt+0x9/0x20 [ 122.812701][ T6470] do_sock_setsockopt+0x11b/0x1b0 [ 122.812716][ T6470] __x64_sys_setsockopt+0x13d/0x1b0 [ 122.812730][ T6470] do_syscall_64+0x14d/0xf80 [ 122.812744][ T6470] ? trace_irq_disable+0x3b/0x150 [ 122.812758][ T6470] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.812768][ T6470] ? clear_bhb_loop+0x40/0x90 [ 122.812778][ T6470] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.812788][ T6470] RIP: 0033:0x7f65f019a339 [ 122.812797][ T6470] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 122.812806][ T6470] RSP: 002b:00007f65ef7fe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 122.812818][ T6470] RAX: ffffffffffffffda RBX: 00007f65f03d5fa0 RCX: 00007f65f019a339 [ 122.812825][ T6470] RDX: 000000000000001d RSI: 0000000000000001 RDI: 0000000000000005 [ 122.812831][ T6470] RBP: 00007f65ef7fe090 R08: 0000000000000004 R09: 0000000000000000 [ 122.812836][ T6470] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000001 [ 122.812843][ T6470] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 122.812852][ T6470] [ 123.126957][ T5143] Bluetooth: hci0: command tx timeout [ 123.149368][ T6472] FAULT_INJECTION: forcing a failure. [ 123.149368][ T6472] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 123.162403][ T6472] CPU: 0 UID: 0 PID: 6472 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT(full) [ 123.162417][ T6472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 123.162423][ T6472] Call Trace: [ 123.162428][ T6472] [ 123.162432][ T6472] dump_stack_lvl+0xe8/0x150 [ 123.162449][ T6472] should_fail_ex+0x412/0x560 [ 123.162462][ T6472] strncpy_from_user+0x36/0x2b0 [ 123.162473][ T6472] strncpy_from_user_nofault+0x71/0x150 [ 123.162490][ T6472] bpf_probe_read_compat_str+0xe1/0x180 [ 123.162504][ T6472] bpf_prog_a259ef856bcc7fdb+0x46/0x4c [ 123.162513][ T6472] bpf_trace_run1+0x36f/0x830 [ 123.162528][ T6472] ? bpf_trace_run1+0x1cf/0x830 [ 123.162541][ T6472] ? __pfx_bpf_trace_run1+0x10/0x10 [ 123.162554][ T6472] ? rcu_is_watching+0x15/0xb0 [ 123.162568][ T6472] ? __bpf_trace_workqueue_activate_work+0xa8/0x110 [ 123.162583][ T6472] __bpf_trace_workqueue_activate_work+0xc1/0x110 [ 123.162596][ T6472] ? __pfx___bpf_trace_workqueue_activate_work+0x10/0x10 [ 123.162609][ T6472] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.162619][ T6472] ? __pfx_pwq_tryinc_nr_active+0x10/0x10 [ 123.162631][ T6472] trace_workqueue_activate_work+0x187/0x200 [ 123.162644][ T6472] __queue_work+0xcf3/0x1020 [ 123.162658][ T6472] ? __queue_work+0x1a1/0x1020 [ 123.162671][ T6472] queue_work_on+0x106/0x1d0 [ 123.162684][ T6472] net_enable_timestamp+0x14b/0x1a0 [ 123.162698][ T6472] ? __pfx_net_enable_timestamp+0x10/0x10 [ 123.162709][ T6472] ? sk_setsockopt+0xe62/0x2e80 [ 123.162722][ T6472] ? sock_set_timestamp+0x407/0x5e0 [ 123.162734][ T6472] sk_setsockopt+0x1b6c/0x2e80 [ 123.162746][ T6472] ? rcu_is_watching+0x15/0xb0 [ 123.162759][ T6472] ? __pfx_sk_setsockopt+0x10/0x10 [ 123.162772][ T6472] ? aa_sk_perm+0x6d5/0x900 [ 123.162784][ T6472] ? __pfx_aa_sk_perm+0x10/0x10 [ 123.162793][ T6472] ? lock_release+0x4b/0x3d0 [ 123.162806][ T6472] ? aa_sock_opt_perm+0xff/0x1a0 [ 123.162817][ T6472] ? bpf_lsm_socket_setsockopt+0x9/0x20 [ 123.162829][ T6472] do_sock_setsockopt+0x11b/0x1b0 [ 123.162843][ T6472] __x64_sys_setsockopt+0x13d/0x1b0 [ 123.162857][ T6472] do_syscall_64+0x14d/0xf80 [ 123.162872][ T6472] ? trace_irq_disable+0x3b/0x150 [ 123.162886][ T6472] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.162895][ T6472] ? clear_bhb_loop+0x40/0x90 [ 123.162906][ T6472] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.162915][ T6472] RIP: 0033:0x7f65f019a339 [ 123.162925][ T6472] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 123.162933][ T6472] RSP: 002b:00007f65ef7fe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 123.162945][ T6472] RAX: ffffffffffffffda RBX: 00007f65f03d5fa0 RCX: 00007f65f019a339 [ 123.162952][ T6472] RDX: 000000000000001d RSI: 0000000000000001 RDI: 0000000000000005 [ 123.162958][ T6472] RBP: 00007f65ef7fe090 R08: 0000000000000004 R09: 0000000000000000 [ 123.162964][ T6472] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000001 [ 123.162970][ T6472] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 123.162980][ T6472] [ 123.487201][ T6474] FAULT_INJECTION: forcing a failure. [ 123.487201][ T6474] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 123.500640][ T6474] CPU: 1 UID: 0 PID: 6474 Comm: syz.0.19 Not tainted syzkaller #0 PREEMPT(full) [ 123.500660][ T6474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 123.500667][ T6474] Call Trace: [ 123.500671][ T6474] [ 123.500675][ T6474] dump_stack_lvl+0xe8/0x150 [ 123.500695][ T6474] should_fail_ex+0x412/0x560 [ 123.500707][ T6474] _copy_to_user+0x31/0xb0 [ 123.500721][ T6474] simple_read_from_buffer+0xe1/0x170 [ 123.500735][ T6474] proc_fail_nth_read+0x1bb/0x230 [ 123.500749][ T6474] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 123.500762][ T6474] ? rw_verify_area+0x2a6/0x4d0 [ 123.500771][ T6474] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 123.500783][ T6474] vfs_read+0x20c/0xa70 [ 123.500791][ T6474] ? fdget_pos+0x246/0x320 [ 123.500806][ T6474] ? __pfx___mutex_lock+0x10/0x10 [ 123.500815][ T6474] ? __pfx_vfs_read+0x10/0x10 [ 123.500825][ T6474] ? __fget_files+0x3a0/0x420 [ 123.500837][ T6474] ? __fget_files+0x2a/0x420 [ 123.500852][ T6474] ksys_read+0x150/0x270 [ 123.500861][ T6474] ? __pfx_ksys_read+0x10/0x10 [ 123.500870][ T6474] ? rcu_is_watching+0x15/0xb0 [ 123.500884][ T6474] do_syscall_64+0x14d/0xf80 [ 123.500898][ T6474] ? trace_irq_disable+0x3b/0x150 [ 123.500913][ T6474] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.500922][ T6474] ? clear_bhb_loop+0x40/0x90 [ 123.500933][ T6474] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.500942][ T6474] RIP: 0033:0x7f65f015ac0e [ 123.500951][ T6474] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 123.500959][ T6474] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 123.500971][ T6474] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 123.500978][ T6474] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 123.500984][ T6474] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 123.500990][ T6474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 123.500996][ T6474] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 123.501006][ T6474] [ 123.721157][ T6476] FAULT_INJECTION: forcing a failure. [ 123.721157][ T6476] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 123.734624][ T6476] CPU: 1 UID: 0 PID: 6476 Comm: syz.0.20 Not tainted syzkaller #0 PREEMPT(full) [ 123.734648][ T6476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 123.734658][ T6476] Call Trace: [ 123.734665][ T6476] [ 123.734672][ T6476] dump_stack_lvl+0xe8/0x150 [ 123.734695][ T6476] should_fail_ex+0x412/0x560 [ 123.734718][ T6476] _copy_to_user+0x31/0xb0 [ 123.734742][ T6476] simple_read_from_buffer+0xe1/0x170 [ 123.734767][ T6476] proc_fail_nth_read+0x1bb/0x230 [ 123.734790][ T6476] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 123.734814][ T6476] ? rw_verify_area+0x2a6/0x4d0 [ 123.734830][ T6476] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 123.734853][ T6476] vfs_read+0x20c/0xa70 [ 123.734866][ T6476] ? fdget_pos+0x246/0x320 [ 123.734889][ T6476] ? __pfx___mutex_lock+0x10/0x10 [ 123.734906][ T6476] ? __pfx_vfs_read+0x10/0x10 [ 123.734924][ T6476] ? __fget_files+0x3a0/0x420 [ 123.734944][ T6476] ? __fget_files+0x2a/0x420 [ 123.734968][ T6476] ksys_read+0x150/0x270 [ 123.734985][ T6476] ? __pfx_ksys_read+0x10/0x10 [ 123.735002][ T6476] ? rcu_is_watching+0x15/0xb0 [ 123.735027][ T6476] do_syscall_64+0x14d/0xf80 [ 123.735050][ T6476] ? trace_irq_disable+0x3b/0x150 [ 123.735071][ T6476] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.735088][ T6476] ? clear_bhb_loop+0x40/0x90 [ 123.735107][ T6476] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.735122][ T6476] RIP: 0033:0x7f65f015ac0e [ 123.735136][ T6476] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 123.735149][ T6476] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 123.735167][ T6476] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 123.735180][ T6476] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 123.735190][ T6476] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 123.735200][ T6476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 123.735209][ T6476] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 123.735227][ T6476] [ 123.966915][ T6478] FAULT_INJECTION: forcing a failure. [ 123.966915][ T6478] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 123.980367][ T6478] CPU: 0 UID: 0 PID: 6478 Comm: syz.0.21 Not tainted syzkaller #0 PREEMPT(full) [ 123.980383][ T6478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 123.980389][ T6478] Call Trace: [ 123.980393][ T6478] [ 123.980397][ T6478] dump_stack_lvl+0xe8/0x150 [ 123.980414][ T6478] should_fail_ex+0x412/0x560 [ 123.980426][ T6478] _copy_to_user+0x31/0xb0 [ 123.980440][ T6478] simple_read_from_buffer+0xe1/0x170 [ 123.980455][ T6478] proc_fail_nth_read+0x1bb/0x230 [ 123.980468][ T6478] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 123.980481][ T6478] ? rw_verify_area+0x2a6/0x4d0 [ 123.980491][ T6478] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 123.980503][ T6478] vfs_read+0x20c/0xa70 [ 123.980511][ T6478] ? fdget_pos+0x246/0x320 [ 123.980525][ T6478] ? __pfx___mutex_lock+0x10/0x10 2026/02/26 20:55:56 executed programs: 6 [ 123.980534][ T6478] ? __pfx_vfs_read+0x10/0x10 [ 123.980544][ T6478] ? __fget_files+0x3a0/0x420 [ 123.980557][ T6478] ? __fget_files+0x2a/0x420 [ 123.980571][ T6478] ksys_read+0x150/0x270 [ 123.980580][ T6478] ? __pfx_ksys_read+0x10/0x10 [ 123.980590][ T6478] ? rcu_is_watching+0x15/0xb0 [ 123.980604][ T6478] do_syscall_64+0x14d/0xf80 [ 123.980618][ T6478] ? trace_irq_disable+0x3b/0x150 [ 123.980633][ T6478] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.980643][ T6478] ? clear_bhb_loop+0x40/0x90 [ 123.980660][ T6478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.980670][ T6478] RIP: 0033:0x7f65f015ac0e [ 123.980679][ T6478] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 123.980687][ T6478] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 123.980698][ T6478] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 123.980705][ T6478] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 123.980711][ T6478] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 123.980717][ T6478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 123.980723][ T6478] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 123.980733][ T6478] [ 124.205347][ T6480] FAULT_INJECTION: forcing a failure. [ 124.205347][ T6480] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 124.218557][ T6480] CPU: 0 UID: 0 PID: 6480 Comm: syz.0.22 Not tainted syzkaller #0 PREEMPT(full) [ 124.218573][ T6480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 124.218579][ T6480] Call Trace: [ 124.218583][ T6480] [ 124.218587][ T6480] dump_stack_lvl+0xe8/0x150 [ 124.218605][ T6480] should_fail_ex+0x412/0x560 [ 124.218617][ T6480] _copy_to_user+0x31/0xb0 [ 124.218638][ T6480] simple_read_from_buffer+0xe1/0x170 [ 124.218653][ T6480] proc_fail_nth_read+0x1bb/0x230 [ 124.218666][ T6480] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 124.218679][ T6480] ? rw_verify_area+0x2a6/0x4d0 [ 124.218688][ T6480] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 124.218700][ T6480] vfs_read+0x20c/0xa70 [ 124.218708][ T6480] ? fdget_pos+0x246/0x320 [ 124.218723][ T6480] ? __pfx___mutex_lock+0x10/0x10 [ 124.218732][ T6480] ? __pfx_vfs_read+0x10/0x10 [ 124.218742][ T6480] ? __fget_files+0x3a0/0x420 [ 124.218755][ T6480] ? __fget_files+0x2a/0x420 [ 124.218769][ T6480] ksys_read+0x150/0x270 [ 124.218778][ T6480] ? __pfx_ksys_read+0x10/0x10 [ 124.218787][ T6480] ? rcu_is_watching+0x15/0xb0 [ 124.218802][ T6480] do_syscall_64+0x14d/0xf80 [ 124.218816][ T6480] ? trace_irq_disable+0x3b/0x150 [ 124.218830][ T6480] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.218840][ T6480] ? clear_bhb_loop+0x40/0x90 [ 124.218850][ T6480] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.218859][ T6480] RIP: 0033:0x7f65f015ac0e [ 124.218869][ T6480] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 124.218876][ T6480] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 124.218888][ T6480] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 124.218895][ T6480] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 124.218901][ T6480] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 124.218907][ T6480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 124.218912][ T6480] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 124.218922][ T6480] [ 124.437895][ T6483] FAULT_INJECTION: forcing a failure. [ 124.437895][ T6483] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 124.451137][ T6483] CPU: 1 UID: 0 PID: 6483 Comm: syz.0.23 Not tainted syzkaller #0 PREEMPT(full) [ 124.451152][ T6483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 124.451158][ T6483] Call Trace: [ 124.451163][ T6483] [ 124.451167][ T6483] dump_stack_lvl+0xe8/0x150 [ 124.451185][ T6483] should_fail_ex+0x412/0x560 [ 124.451197][ T6483] _copy_to_user+0x31/0xb0 [ 124.451211][ T6483] simple_read_from_buffer+0xe1/0x170 [ 124.451225][ T6483] proc_fail_nth_read+0x1bb/0x230 [ 124.451239][ T6483] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 124.451252][ T6483] ? rw_verify_area+0x2a6/0x4d0 [ 124.451261][ T6483] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 124.451274][ T6483] vfs_read+0x20c/0xa70 [ 124.451282][ T6483] ? fdget_pos+0x246/0x320 [ 124.451296][ T6483] ? __pfx___mutex_lock+0x10/0x10 [ 124.451305][ T6483] ? __pfx_vfs_read+0x10/0x10 [ 124.451315][ T6483] ? __fget_files+0x3a0/0x420 [ 124.451328][ T6483] ? __fget_files+0x2a/0x420 [ 124.451342][ T6483] ksys_read+0x150/0x270 [ 124.451352][ T6483] ? __pfx_ksys_read+0x10/0x10 [ 124.451361][ T6483] ? rcu_is_watching+0x15/0xb0 [ 124.451376][ T6483] do_syscall_64+0x14d/0xf80 [ 124.451390][ T6483] ? trace_irq_disable+0x3b/0x150 [ 124.451404][ T6483] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.451413][ T6483] ? clear_bhb_loop+0x40/0x90 [ 124.451424][ T6483] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.451433][ T6483] RIP: 0033:0x7f65f015ac0e [ 124.451443][ T6483] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 124.451450][ T6483] RSP: 002b:00007f65ef7dcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 124.451462][ T6483] RAX: ffffffffffffffda RBX: 00007f65ef7dd6c0 RCX: 00007f65f015ac0e [ 124.451469][ T6483] RDX: 000000000000000f RSI: 00007f65ef7dd0a0 RDI: 0000000000000007 [ 124.451475][ T6483] RBP: 00007f65ef7dd090 R08: 0000000000000000 R09: 0000000000000000 [ 124.451481][ T6483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 124.451486][ T6483] R13: 00007f65f03d6128 R14: 00007f65f03d6090 R15: 00007fff0d6d1c38 [ 124.451497][ T6483] [ 124.673485][ T6485] FAULT_INJECTION: forcing a failure. [ 124.673485][ T6485] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 124.690871][ T6485] CPU: 1 UID: 0 PID: 6485 Comm: syz.0.24 Not tainted syzkaller #0 PREEMPT(full) [ 124.690895][ T6485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 124.690905][ T6485] Call Trace: [ 124.690912][ T6485] [ 124.690919][ T6485] dump_stack_lvl+0xe8/0x150 [ 124.690946][ T6485] should_fail_ex+0x412/0x560 [ 124.690966][ T6485] _copy_to_user+0x31/0xb0 [ 124.690991][ T6485] simple_read_from_buffer+0xe1/0x170 [ 124.691015][ T6485] proc_fail_nth_read+0x1bb/0x230 [ 124.691038][ T6485] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 124.691062][ T6485] ? rw_verify_area+0x2a6/0x4d0 [ 124.691079][ T6485] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 124.691102][ T6485] vfs_read+0x20c/0xa70 [ 124.691117][ T6485] ? fdget_pos+0x246/0x320 [ 124.691142][ T6485] ? __pfx___mutex_lock+0x10/0x10 [ 124.691159][ T6485] ? __pfx_vfs_read+0x10/0x10 [ 124.691177][ T6485] ? __fget_files+0x3a0/0x420 [ 124.691200][ T6485] ? __fget_files+0x2a/0x420 [ 124.691226][ T6485] ksys_read+0x150/0x270 [ 124.691243][ T6485] ? __pfx_ksys_read+0x10/0x10 [ 124.691261][ T6485] ? rcu_is_watching+0x15/0xb0 [ 124.691286][ T6485] do_syscall_64+0x14d/0xf80 [ 124.691311][ T6485] ? trace_irq_disable+0x3b/0x150 [ 124.691334][ T6485] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.691351][ T6485] ? clear_bhb_loop+0x40/0x90 [ 124.691371][ T6485] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.691388][ T6485] RIP: 0033:0x7f65f015ac0e [ 124.691403][ T6485] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 124.691418][ T6485] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 124.691437][ T6485] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 124.691450][ T6485] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 124.691461][ T6485] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 124.691471][ T6485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 124.691482][ T6485] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 124.691501][ T6485] [ 124.912223][ T6487] FAULT_INJECTION: forcing a failure. [ 124.912223][ T6487] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 124.925428][ T6487] CPU: 0 UID: 0 PID: 6487 Comm: syz.0.25 Not tainted syzkaller #0 PREEMPT(full) [ 124.925450][ T6487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 124.925460][ T6487] Call Trace: [ 124.925466][ T6487] [ 124.925472][ T6487] dump_stack_lvl+0xe8/0x150 [ 124.925499][ T6487] should_fail_ex+0x412/0x560 [ 124.925516][ T6487] _copy_to_user+0x31/0xb0 [ 124.925531][ T6487] simple_read_from_buffer+0xe1/0x170 [ 124.925545][ T6487] proc_fail_nth_read+0x1bb/0x230 [ 124.925562][ T6487] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 124.925575][ T6487] ? rw_verify_area+0x2a6/0x4d0 [ 124.925584][ T6487] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 124.925596][ T6487] vfs_read+0x20c/0xa70 [ 124.925604][ T6487] ? fdget_pos+0x246/0x320 [ 124.925619][ T6487] ? __pfx___mutex_lock+0x10/0x10 [ 124.925629][ T6487] ? __pfx_vfs_read+0x10/0x10 [ 124.925639][ T6487] ? __fget_files+0x3a0/0x420 [ 124.925652][ T6487] ? __fget_files+0x2a/0x420 [ 124.925666][ T6487] ksys_read+0x150/0x270 [ 124.925675][ T6487] ? __pfx_ksys_read+0x10/0x10 [ 124.925685][ T6487] ? rcu_is_watching+0x15/0xb0 [ 124.925699][ T6487] do_syscall_64+0x14d/0xf80 [ 124.925714][ T6487] ? trace_irq_disable+0x3b/0x150 [ 124.925728][ T6487] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.925738][ T6487] ? clear_bhb_loop+0x40/0x90 [ 124.925748][ T6487] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.925758][ T6487] RIP: 0033:0x7f65f015ac0e [ 124.925767][ T6487] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 124.925775][ T6487] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 124.925787][ T6487] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 124.925794][ T6487] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 124.925800][ T6487] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 124.925806][ T6487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 124.925811][ T6487] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 124.925822][ T6487] [ 125.156268][ T5143] Bluetooth: hci0: command tx timeout [ 125.162484][ T6489] FAULT_INJECTION: forcing a failure. [ 125.162484][ T6489] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 125.176747][ T6489] CPU: 1 UID: 0 PID: 6489 Comm: syz.0.26 Not tainted syzkaller #0 PREEMPT(full) [ 125.176772][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 125.176783][ T6489] Call Trace: [ 125.176789][ T6489] [ 125.176795][ T6489] dump_stack_lvl+0xe8/0x150 [ 125.176820][ T6489] should_fail_ex+0x412/0x560 [ 125.176838][ T6489] _copy_to_user+0x31/0xb0 [ 125.176861][ T6489] simple_read_from_buffer+0xe1/0x170 [ 125.176886][ T6489] proc_fail_nth_read+0x1bb/0x230 [ 125.176908][ T6489] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 125.176931][ T6489] ? rw_verify_area+0x2a6/0x4d0 [ 125.176948][ T6489] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 125.176965][ T6489] vfs_read+0x20c/0xa70 [ 125.176974][ T6489] ? fdget_pos+0x246/0x320 [ 125.176988][ T6489] ? __pfx___mutex_lock+0x10/0x10 [ 125.176998][ T6489] ? __pfx_vfs_read+0x10/0x10 [ 125.177007][ T6489] ? __fget_files+0x3a0/0x420 [ 125.177020][ T6489] ? __fget_files+0x2a/0x420 [ 125.177034][ T6489] ksys_read+0x150/0x270 [ 125.177043][ T6489] ? __pfx_ksys_read+0x10/0x10 [ 125.177053][ T6489] ? rcu_is_watching+0x15/0xb0 [ 125.177067][ T6489] do_syscall_64+0x14d/0xf80 [ 125.177081][ T6489] ? trace_irq_disable+0x3b/0x150 [ 125.177096][ T6489] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.177105][ T6489] ? clear_bhb_loop+0x40/0x90 [ 125.177116][ T6489] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.177125][ T6489] RIP: 0033:0x7f65f015ac0e [ 125.177134][ T6489] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 125.177142][ T6489] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 125.177154][ T6489] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 125.177161][ T6489] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 125.177167][ T6489] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 125.177173][ T6489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 125.177178][ T6489] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 125.177190][ T6489] [ 125.397357][ T6491] FAULT_INJECTION: forcing a failure. [ 125.397357][ T6491] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 125.410644][ T6491] CPU: 1 UID: 0 PID: 6491 Comm: syz.0.27 Not tainted syzkaller #0 PREEMPT(full) [ 125.410660][ T6491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 125.410666][ T6491] Call Trace: [ 125.410670][ T6491] [ 125.410676][ T6491] dump_stack_lvl+0xe8/0x150 [ 125.410698][ T6491] should_fail_ex+0x412/0x560 [ 125.410710][ T6491] _copy_to_user+0x31/0xb0 [ 125.410725][ T6491] simple_read_from_buffer+0xe1/0x170 [ 125.410739][ T6491] proc_fail_nth_read+0x1bb/0x230 [ 125.410754][ T6491] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 125.410767][ T6491] ? rw_verify_area+0x2a6/0x4d0 [ 125.410776][ T6491] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 125.410789][ T6491] vfs_read+0x20c/0xa70 [ 125.410797][ T6491] ? fdget_pos+0x246/0x320 [ 125.410811][ T6491] ? __pfx___mutex_lock+0x10/0x10 [ 125.410821][ T6491] ? __pfx_vfs_read+0x10/0x10 [ 125.410831][ T6491] ? __fget_files+0x3a0/0x420 [ 125.410852][ T6491] ? __fget_files+0x2a/0x420 [ 125.410867][ T6491] ksys_read+0x150/0x270 [ 125.410877][ T6491] ? __pfx_ksys_read+0x10/0x10 [ 125.410886][ T6491] ? rcu_is_watching+0x15/0xb0 [ 125.410901][ T6491] do_syscall_64+0x14d/0xf80 [ 125.410918][ T6491] ? trace_irq_disable+0x3b/0x150 [ 125.410932][ T6491] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.410941][ T6491] ? clear_bhb_loop+0x40/0x90 [ 125.410952][ T6491] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.410962][ T6491] RIP: 0033:0x7f65f015ac0e [ 125.410972][ T6491] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 125.410980][ T6491] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 125.410992][ T6491] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 125.410999][ T6491] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 125.411005][ T6491] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 125.411011][ T6491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 125.411017][ T6491] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 125.411027][ T6491] [ 125.631901][ T6493] FAULT_INJECTION: forcing a failure. [ 125.631901][ T6493] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 125.645237][ T6493] CPU: 1 UID: 0 PID: 6493 Comm: syz.0.28 Not tainted syzkaller #0 PREEMPT(full) [ 125.645262][ T6493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 125.645273][ T6493] Call Trace: [ 125.645279][ T6493] [ 125.645286][ T6493] dump_stack_lvl+0xe8/0x150 [ 125.645314][ T6493] should_fail_ex+0x412/0x560 [ 125.645335][ T6493] _copy_to_user+0x31/0xb0 [ 125.645360][ T6493] simple_read_from_buffer+0xe1/0x170 [ 125.645393][ T6493] proc_fail_nth_read+0x1bb/0x230 [ 125.645416][ T6493] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 125.645440][ T6493] ? rw_verify_area+0x2a6/0x4d0 [ 125.645456][ T6493] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 125.645479][ T6493] vfs_read+0x20c/0xa70 [ 125.645494][ T6493] ? fdget_pos+0x246/0x320 [ 125.645519][ T6493] ? __pfx___mutex_lock+0x10/0x10 [ 125.645536][ T6493] ? __pfx_vfs_read+0x10/0x10 [ 125.645555][ T6493] ? __fget_files+0x3a0/0x420 [ 125.645578][ T6493] ? __fget_files+0x2a/0x420 [ 125.645603][ T6493] ksys_read+0x150/0x270 [ 125.645621][ T6493] ? __pfx_ksys_read+0x10/0x10 [ 125.645638][ T6493] ? rcu_is_watching+0x15/0xb0 [ 125.645663][ T6493] do_syscall_64+0x14d/0xf80 [ 125.645688][ T6493] ? trace_irq_disable+0x3b/0x150 [ 125.645712][ T6493] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.645730][ T6493] ? clear_bhb_loop+0x40/0x90 [ 125.645749][ T6493] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.645766][ T6493] RIP: 0033:0x7f65f015ac0e [ 125.645781][ T6493] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 125.645795][ T6493] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 125.645814][ T6493] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 125.645826][ T6493] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 125.645837][ T6493] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 125.645849][ T6493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 125.645859][ T6493] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 125.645878][ T6493] [ 125.876925][ T6495] FAULT_INJECTION: forcing a failure. [ 125.876925][ T6495] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 125.890043][ T6495] CPU: 0 UID: 0 PID: 6495 Comm: syz.0.29 Not tainted syzkaller #0 PREEMPT(full) [ 125.890064][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 125.890074][ T6495] Call Trace: [ 125.890079][ T6495] [ 125.890084][ T6495] dump_stack_lvl+0xe8/0x150 [ 125.890102][ T6495] should_fail_ex+0x412/0x560 [ 125.890121][ T6495] _copy_to_user+0x31/0xb0 [ 125.890136][ T6495] simple_read_from_buffer+0xe1/0x170 [ 125.890151][ T6495] proc_fail_nth_read+0x1bb/0x230 [ 125.890165][ T6495] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 125.890178][ T6495] ? rw_verify_area+0x2a6/0x4d0 [ 125.890187][ T6495] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 125.890199][ T6495] vfs_read+0x20c/0xa70 [ 125.890208][ T6495] ? fdget_pos+0x246/0x320 [ 125.890222][ T6495] ? __pfx___mutex_lock+0x10/0x10 [ 125.890232][ T6495] ? __pfx_vfs_read+0x10/0x10 [ 125.890242][ T6495] ? __fget_files+0x3a0/0x420 [ 125.890255][ T6495] ? __fget_files+0x2a/0x420 [ 125.890269][ T6495] ksys_read+0x150/0x270 [ 125.890279][ T6495] ? __pfx_ksys_read+0x10/0x10 [ 125.890288][ T6495] ? rcu_is_watching+0x15/0xb0 [ 125.890302][ T6495] do_syscall_64+0x14d/0xf80 [ 125.890317][ T6495] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.890327][ T6495] ? clear_bhb_loop+0x40/0x90 [ 125.890337][ T6495] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.890347][ T6495] RIP: 0033:0x7f65f015ac0e [ 125.890358][ T6495] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 125.890366][ T6495] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 125.890378][ T6495] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 125.890385][ T6495] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 125.890391][ T6495] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 125.890397][ T6495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 125.890402][ T6495] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 125.890413][ T6495] [ 126.101562][ T6497] FAULT_INJECTION: forcing a failure. [ 126.101562][ T6497] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 126.114626][ T6497] CPU: 0 UID: 0 PID: 6497 Comm: syz.0.30 Not tainted syzkaller #0 PREEMPT(full) [ 126.114642][ T6497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 126.114648][ T6497] Call Trace: [ 126.114653][ T6497] [ 126.114657][ T6497] dump_stack_lvl+0xe8/0x150 [ 126.114675][ T6497] should_fail_ex+0x412/0x560 [ 126.114688][ T6497] _copy_to_user+0x31/0xb0 [ 126.114703][ T6497] simple_read_from_buffer+0xe1/0x170 [ 126.114717][ T6497] proc_fail_nth_read+0x1bb/0x230 [ 126.114731][ T6497] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 126.114744][ T6497] ? rw_verify_area+0x2a6/0x4d0 [ 126.114753][ T6497] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 126.114765][ T6497] vfs_read+0x20c/0xa70 [ 126.114773][ T6497] ? fdget_pos+0x246/0x320 [ 126.114790][ T6497] ? __pfx___mutex_lock+0x10/0x10 [ 126.114799][ T6497] ? __pfx_vfs_read+0x10/0x10 [ 126.114809][ T6497] ? __fget_files+0x3a0/0x420 [ 126.114822][ T6497] ? __fget_files+0x2a/0x420 [ 126.114836][ T6497] ksys_read+0x150/0x270 [ 126.114846][ T6497] ? __pfx_ksys_read+0x10/0x10 [ 126.114855][ T6497] ? rcu_is_watching+0x15/0xb0 [ 126.114870][ T6497] do_syscall_64+0x14d/0xf80 [ 126.114884][ T6497] ? trace_irq_disable+0x3b/0x150 [ 126.114899][ T6497] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.114908][ T6497] ? clear_bhb_loop+0x40/0x90 [ 126.114919][ T6497] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.114928][ T6497] RIP: 0033:0x7f65f015ac0e [ 126.114939][ T6497] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 126.114947][ T6497] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 126.114959][ T6497] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 126.114966][ T6497] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 126.114972][ T6497] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 126.114978][ T6497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 126.114984][ T6497] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 126.114994][ T6497] [ 126.337053][ T6499] FAULT_INJECTION: forcing a failure. [ 126.337053][ T6499] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 126.350492][ T6499] CPU: 1 UID: 0 PID: 6499 Comm: syz.0.31 Not tainted syzkaller #0 PREEMPT(full) [ 126.350515][ T6499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 126.350525][ T6499] Call Trace: [ 126.350532][ T6499] [ 126.350539][ T6499] dump_stack_lvl+0xe8/0x150 [ 126.350567][ T6499] should_fail_ex+0x412/0x560 [ 126.350588][ T6499] _copy_to_user+0x31/0xb0 [ 126.350610][ T6499] simple_read_from_buffer+0xe1/0x170 [ 126.350635][ T6499] proc_fail_nth_read+0x1bb/0x230 [ 126.350658][ T6499] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 126.350675][ T6499] ? rw_verify_area+0x2a6/0x4d0 [ 126.350684][ T6499] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 126.350698][ T6499] vfs_read+0x20c/0xa70 [ 126.350706][ T6499] ? fdget_pos+0x246/0x320 [ 126.350721][ T6499] ? __pfx___mutex_lock+0x10/0x10 [ 126.350731][ T6499] ? __pfx_vfs_read+0x10/0x10 [ 126.350741][ T6499] ? __fget_files+0x3a0/0x420 [ 126.350753][ T6499] ? __fget_files+0x2a/0x420 [ 126.350768][ T6499] ksys_read+0x150/0x270 [ 126.350777][ T6499] ? __pfx_ksys_read+0x10/0x10 [ 126.350786][ T6499] ? rcu_is_watching+0x15/0xb0 [ 126.350800][ T6499] do_syscall_64+0x14d/0xf80 [ 126.350815][ T6499] ? trace_irq_disable+0x3b/0x150 [ 126.350829][ T6499] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.350838][ T6499] ? clear_bhb_loop+0x40/0x90 [ 126.350849][ T6499] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.350859][ T6499] RIP: 0033:0x7f65f015ac0e [ 126.350869][ T6499] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 126.350877][ T6499] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 126.350888][ T6499] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 126.350895][ T6499] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 126.350902][ T6499] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 126.350907][ T6499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 126.350913][ T6499] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 126.350923][ T6499] [ 126.571175][ T6501] FAULT_INJECTION: forcing a failure. [ 126.571175][ T6501] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 126.584354][ T6501] CPU: 1 UID: 0 PID: 6501 Comm: syz.0.32 Not tainted syzkaller #0 PREEMPT(full) [ 126.584371][ T6501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 126.584377][ T6501] Call Trace: [ 126.584381][ T6501] [ 126.584386][ T6501] dump_stack_lvl+0xe8/0x150 [ 126.584404][ T6501] should_fail_ex+0x412/0x560 [ 126.584417][ T6501] _copy_to_user+0x31/0xb0 [ 126.584432][ T6501] simple_read_from_buffer+0xe1/0x170 [ 126.584446][ T6501] proc_fail_nth_read+0x1bb/0x230 [ 126.584460][ T6501] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 126.584473][ T6501] ? rw_verify_area+0x2a6/0x4d0 [ 126.584482][ T6501] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 126.584495][ T6501] vfs_read+0x20c/0xa70 [ 126.584503][ T6501] ? fdget_pos+0x246/0x320 [ 126.584518][ T6501] ? __pfx___mutex_lock+0x10/0x10 [ 126.584527][ T6501] ? __pfx_vfs_read+0x10/0x10 [ 126.584538][ T6501] ? __fget_files+0x3a0/0x420 [ 126.584550][ T6501] ? __fget_files+0x2a/0x420 [ 126.584564][ T6501] ksys_read+0x150/0x270 [ 126.584574][ T6501] ? __pfx_ksys_read+0x10/0x10 [ 126.584583][ T6501] ? rcu_is_watching+0x15/0xb0 [ 126.584598][ T6501] do_syscall_64+0x14d/0xf80 [ 126.584612][ T6501] ? trace_irq_disable+0x3b/0x150 [ 126.584626][ T6501] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.584636][ T6501] ? clear_bhb_loop+0x40/0x90 [ 126.584646][ T6501] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.584656][ T6501] RIP: 0033:0x7f65f015ac0e [ 126.584665][ T6501] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 126.584673][ T6501] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 126.584684][ T6501] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 126.584692][ T6501] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 126.584698][ T6501] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 126.584704][ T6501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 126.584710][ T6501] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 126.584720][ T6501] [ 126.817369][ T6503] FAULT_INJECTION: forcing a failure. [ 126.817369][ T6503] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 126.830494][ T6503] CPU: 0 UID: 0 PID: 6503 Comm: syz.0.33 Not tainted syzkaller #0 PREEMPT(full) [ 126.830518][ T6503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 126.830527][ T6503] Call Trace: [ 126.830534][ T6503] [ 126.830542][ T6503] dump_stack_lvl+0xe8/0x150 [ 126.830569][ T6503] should_fail_ex+0x412/0x560 [ 126.830585][ T6503] _copy_to_user+0x31/0xb0 [ 126.830600][ T6503] simple_read_from_buffer+0xe1/0x170 [ 126.830620][ T6503] proc_fail_nth_read+0x1bb/0x230 [ 126.830635][ T6503] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 126.830648][ T6503] ? rw_verify_area+0x2a6/0x4d0 [ 126.830656][ T6503] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 126.830669][ T6503] vfs_read+0x20c/0xa70 [ 126.830677][ T6503] ? fdget_pos+0x246/0x320 [ 126.830697][ T6503] ? __pfx___mutex_lock+0x10/0x10 [ 126.830708][ T6503] ? __pfx_vfs_read+0x10/0x10 [ 126.830717][ T6503] ? __fget_files+0x3a0/0x420 [ 126.830732][ T6503] ? __fget_files+0x2a/0x420 [ 126.830747][ T6503] ksys_read+0x150/0x270 [ 126.830756][ T6503] ? __pfx_ksys_read+0x10/0x10 [ 126.830765][ T6503] ? rcu_is_watching+0x15/0xb0 [ 126.830780][ T6503] do_syscall_64+0x14d/0xf80 [ 126.830794][ T6503] ? trace_irq_disable+0x3b/0x150 [ 126.830809][ T6503] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.830818][ T6503] ? clear_bhb_loop+0x40/0x90 [ 126.830829][ T6503] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.830838][ T6503] RIP: 0033:0x7f65f015ac0e [ 126.830848][ T6503] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 126.830856][ T6503] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 126.830868][ T6503] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 126.830875][ T6503] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 126.830881][ T6503] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 126.830886][ T6503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 126.830892][ T6503] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 126.830903][ T6503] [ 127.052157][ T6505] FAULT_INJECTION: forcing a failure. [ 127.052157][ T6505] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 127.065248][ T6505] CPU: 0 UID: 0 PID: 6505 Comm: syz.0.34 Not tainted syzkaller #0 PREEMPT(full) [ 127.065264][ T6505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 127.065271][ T6505] Call Trace: [ 127.065276][ T6505] [ 127.065282][ T6505] dump_stack_lvl+0xe8/0x150 [ 127.065299][ T6505] should_fail_ex+0x412/0x560 [ 127.065312][ T6505] _copy_to_user+0x31/0xb0 [ 127.065327][ T6505] simple_read_from_buffer+0xe1/0x170 [ 127.065342][ T6505] proc_fail_nth_read+0x1bb/0x230 [ 127.065356][ T6505] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 127.065369][ T6505] ? rw_verify_area+0x2a6/0x4d0 [ 127.065378][ T6505] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 127.065390][ T6505] vfs_read+0x20c/0xa70 [ 127.065399][ T6505] ? fdget_pos+0x246/0x320 [ 127.065413][ T6505] ? __pfx___mutex_lock+0x10/0x10 [ 127.065423][ T6505] ? __pfx_vfs_read+0x10/0x10 [ 127.065433][ T6505] ? __fget_files+0x3a0/0x420 [ 127.065445][ T6505] ? __fget_files+0x2a/0x420 [ 127.065459][ T6505] ksys_read+0x150/0x270 [ 127.065469][ T6505] ? __pfx_ksys_read+0x10/0x10 [ 127.065478][ T6505] ? rcu_is_watching+0x15/0xb0 [ 127.065492][ T6505] do_syscall_64+0x14d/0xf80 [ 127.065507][ T6505] ? trace_irq_disable+0x3b/0x150 [ 127.065521][ T6505] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.065531][ T6505] ? clear_bhb_loop+0x40/0x90 [ 127.065541][ T6505] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.065551][ T6505] RIP: 0033:0x7f65f015ac0e [ 127.065561][ T6505] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 127.065569][ T6505] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 127.065581][ T6505] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 127.065588][ T6505] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 127.065594][ T6505] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 127.065600][ T6505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 127.065605][ T6505] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 127.065616][ T6505] [ 127.273775][ T5143] Bluetooth: hci0: command tx timeout [ 127.297090][ T6507] FAULT_INJECTION: forcing a failure. [ 127.297090][ T6507] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 127.310289][ T6507] CPU: 0 UID: 0 PID: 6507 Comm: syz.0.35 Not tainted syzkaller #0 PREEMPT(full) [ 127.310305][ T6507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 127.310311][ T6507] Call Trace: [ 127.310314][ T6507] [ 127.310318][ T6507] dump_stack_lvl+0xe8/0x150 [ 127.310336][ T6507] should_fail_ex+0x412/0x560 [ 127.310348][ T6507] _copy_to_user+0x31/0xb0 [ 127.310362][ T6507] simple_read_from_buffer+0xe1/0x170 [ 127.310377][ T6507] proc_fail_nth_read+0x1bb/0x230 [ 127.310398][ T6507] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 127.310411][ T6507] ? rw_verify_area+0x2a6/0x4d0 [ 127.310420][ T6507] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 127.310439][ T6507] vfs_read+0x20c/0xa70 [ 127.310447][ T6507] ? fdget_pos+0x246/0x320 [ 127.310465][ T6507] ? __pfx___mutex_lock+0x10/0x10 [ 127.310474][ T6507] ? __pfx_vfs_read+0x10/0x10 [ 127.310484][ T6507] ? __fget_files+0x3a0/0x420 [ 127.310496][ T6507] ? __fget_files+0x2a/0x420 [ 127.310511][ T6507] ksys_read+0x150/0x270 [ 127.310520][ T6507] ? __pfx_ksys_read+0x10/0x10 [ 127.310529][ T6507] ? rcu_is_watching+0x15/0xb0 [ 127.310543][ T6507] do_syscall_64+0x14d/0xf80 [ 127.310557][ T6507] ? trace_irq_disable+0x3b/0x150 [ 127.310571][ T6507] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.310581][ T6507] ? clear_bhb_loop+0x40/0x90 [ 127.310591][ T6507] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.310600][ T6507] RIP: 0033:0x7f65f015ac0e [ 127.310610][ T6507] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 127.310618][ T6507] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 127.310629][ T6507] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 127.310637][ T6507] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 127.310643][ T6507] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 127.310648][ T6507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 127.310654][ T6507] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 127.310664][ T6507] [ 127.531767][ T6509] FAULT_INJECTION: forcing a failure. [ 127.531767][ T6509] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 127.545261][ T6509] CPU: 0 UID: 0 PID: 6509 Comm: syz.0.36 Not tainted syzkaller #0 PREEMPT(full) [ 127.545285][ T6509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 127.545296][ T6509] Call Trace: [ 127.545302][ T6509] [ 127.545310][ T6509] dump_stack_lvl+0xe8/0x150 [ 127.545338][ T6509] should_fail_ex+0x412/0x560 [ 127.545358][ T6509] _copy_to_user+0x31/0xb0 [ 127.545382][ T6509] simple_read_from_buffer+0xe1/0x170 [ 127.545406][ T6509] proc_fail_nth_read+0x1bb/0x230 [ 127.545430][ T6509] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 127.545453][ T6509] ? rw_verify_area+0x2a6/0x4d0 [ 127.545469][ T6509] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 127.545492][ T6509] vfs_read+0x20c/0xa70 [ 127.545507][ T6509] ? fdget_pos+0x246/0x320 [ 127.545531][ T6509] ? __pfx___mutex_lock+0x10/0x10 [ 127.545548][ T6509] ? __pfx_vfs_read+0x10/0x10 [ 127.545567][ T6509] ? __fget_files+0x3a0/0x420 [ 127.545589][ T6509] ? __fget_files+0x2a/0x420 [ 127.545615][ T6509] ksys_read+0x150/0x270 [ 127.545632][ T6509] ? __pfx_ksys_read+0x10/0x10 [ 127.545650][ T6509] ? rcu_is_watching+0x15/0xb0 [ 127.545675][ T6509] do_syscall_64+0x14d/0xf80 [ 127.545700][ T6509] ? trace_irq_disable+0x3b/0x150 [ 127.545725][ T6509] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.545742][ T6509] ? clear_bhb_loop+0x40/0x90 [ 127.545762][ T6509] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.545779][ T6509] RIP: 0033:0x7f65f015ac0e [ 127.545795][ T6509] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 127.545809][ T6509] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 127.545828][ T6509] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 127.545841][ T6509] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 127.545852][ T6509] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 127.545862][ T6509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 127.545872][ T6509] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 127.545891][ T6509] [ 127.777102][ T6511] FAULT_INJECTION: forcing a failure. [ 127.777102][ T6511] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 127.790540][ T6511] CPU: 1 UID: 0 PID: 6511 Comm: syz.0.37 Not tainted syzkaller #0 PREEMPT(full) [ 127.790555][ T6511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 127.790561][ T6511] Call Trace: [ 127.790565][ T6511] [ 127.790568][ T6511] dump_stack_lvl+0xe8/0x150 [ 127.790586][ T6511] should_fail_ex+0x412/0x560 [ 127.790598][ T6511] _copy_to_user+0x31/0xb0 [ 127.790613][ T6511] simple_read_from_buffer+0xe1/0x170 [ 127.790627][ T6511] proc_fail_nth_read+0x1bb/0x230 [ 127.790640][ T6511] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 127.790653][ T6511] ? rw_verify_area+0x2a6/0x4d0 [ 127.790662][ T6511] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 127.790675][ T6511] vfs_read+0x20c/0xa70 [ 127.790683][ T6511] ? fdget_pos+0x246/0x320 [ 127.790702][ T6511] ? __pfx___mutex_lock+0x10/0x10 [ 127.790711][ T6511] ? __pfx_vfs_read+0x10/0x10 [ 127.790721][ T6511] ? __fget_files+0x3a0/0x420 [ 127.790734][ T6511] ? __fget_files+0x2a/0x420 [ 127.790749][ T6511] ksys_read+0x150/0x270 [ 127.790758][ T6511] ? __pfx_ksys_read+0x10/0x10 [ 127.790767][ T6511] ? rcu_is_watching+0x15/0xb0 [ 127.790781][ T6511] do_syscall_64+0x14d/0xf80 [ 127.790795][ T6511] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.790805][ T6511] ? clear_bhb_loop+0x40/0x90 [ 127.790815][ T6511] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.790824][ T6511] RIP: 0033:0x7f65f015ac0e [ 127.790834][ T6511] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 127.790842][ T6511] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 127.790854][ T6511] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 127.790861][ T6511] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 127.790867][ T6511] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 127.790873][ T6511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 127.790883][ T6511] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 127.790894][ T6511] [ 128.001475][ T6513] FAULT_INJECTION: forcing a failure. [ 128.001475][ T6513] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 128.014607][ T6513] CPU: 0 UID: 0 PID: 6513 Comm: syz.0.38 Not tainted syzkaller #0 PREEMPT(full) [ 128.014629][ T6513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 128.014637][ T6513] Call Trace: [ 128.014641][ T6513] [ 128.014645][ T6513] dump_stack_lvl+0xe8/0x150 [ 128.014663][ T6513] should_fail_ex+0x412/0x560 [ 128.014675][ T6513] _copy_to_user+0x31/0xb0 [ 128.014689][ T6513] simple_read_from_buffer+0xe1/0x170 [ 128.014703][ T6513] proc_fail_nth_read+0x1bb/0x230 [ 128.014717][ T6513] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 128.014730][ T6513] ? rw_verify_area+0x2a6/0x4d0 [ 128.014738][ T6513] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 128.014751][ T6513] vfs_read+0x20c/0xa70 [ 128.014760][ T6513] ? fdget_pos+0x246/0x320 [ 128.014776][ T6513] ? __pfx___mutex_lock+0x10/0x10 [ 128.014785][ T6513] ? __pfx_vfs_read+0x10/0x10 [ 128.014795][ T6513] ? __fget_files+0x3a0/0x420 [ 128.014808][ T6513] ? __fget_files+0x2a/0x420 [ 128.014822][ T6513] ksys_read+0x150/0x270 [ 128.014831][ T6513] ? __pfx_ksys_read+0x10/0x10 [ 128.014840][ T6513] ? rcu_is_watching+0x15/0xb0 [ 128.014855][ T6513] do_syscall_64+0x14d/0xf80 [ 128.014869][ T6513] ? trace_irq_disable+0x3b/0x150 [ 128.014883][ T6513] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.014893][ T6513] ? clear_bhb_loop+0x40/0x90 [ 128.014903][ T6513] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.014912][ T6513] RIP: 0033:0x7f65f015ac0e [ 128.014922][ T6513] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 128.014930][ T6513] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 128.014941][ T6513] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 128.014948][ T6513] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 128.014954][ T6513] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 128.014960][ T6513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 128.014968][ T6513] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 128.014978][ T6513] [ 128.248448][ T6515] FAULT_INJECTION: forcing a failure. [ 128.248448][ T6515] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 128.262226][ T6515] CPU: 0 UID: 0 PID: 6515 Comm: syz.0.39 Not tainted syzkaller #0 PREEMPT(full) [ 128.262251][ T6515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 128.262262][ T6515] Call Trace: [ 128.262269][ T6515] [ 128.262276][ T6515] dump_stack_lvl+0xe8/0x150 [ 128.262303][ T6515] should_fail_ex+0x412/0x560 [ 128.262325][ T6515] _copy_to_user+0x31/0xb0 [ 128.262348][ T6515] simple_read_from_buffer+0xe1/0x170 [ 128.262372][ T6515] proc_fail_nth_read+0x1bb/0x230 [ 128.262395][ T6515] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 128.262418][ T6515] ? rw_verify_area+0x2a6/0x4d0 [ 128.262434][ T6515] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 128.262456][ T6515] vfs_read+0x20c/0xa70 [ 128.262469][ T6515] ? fdget_pos+0x246/0x320 [ 128.262493][ T6515] ? __pfx___mutex_lock+0x10/0x10 [ 128.262509][ T6515] ? __pfx_vfs_read+0x10/0x10 [ 128.262527][ T6515] ? __fget_files+0x3a0/0x420 [ 128.262548][ T6515] ? __fget_files+0x2a/0x420 [ 128.262571][ T6515] ksys_read+0x150/0x270 [ 128.262586][ T6515] ? __pfx_ksys_read+0x10/0x10 [ 128.262601][ T6515] ? rcu_is_watching+0x15/0xb0 [ 128.262623][ T6515] do_syscall_64+0x14d/0xf80 [ 128.262644][ T6515] ? trace_irq_disable+0x3b/0x150 [ 128.262667][ T6515] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.262683][ T6515] ? clear_bhb_loop+0x40/0x90 [ 128.262701][ T6515] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.262716][ T6515] RIP: 0033:0x7f65f015ac0e [ 128.262731][ T6515] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 128.262745][ T6515] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 128.262760][ T6515] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 128.262768][ T6515] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 128.262774][ T6515] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 128.262779][ T6515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 128.262785][ T6515] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 128.262795][ T6515] [ 128.484408][ T6517] FAULT_INJECTION: forcing a failure. [ 128.484408][ T6517] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 128.498826][ T6517] CPU: 1 UID: 0 PID: 6517 Comm: syz.0.40 Not tainted syzkaller #0 PREEMPT(full) [ 128.498843][ T6517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 128.498850][ T6517] Call Trace: [ 128.498853][ T6517] [ 128.498858][ T6517] dump_stack_lvl+0xe8/0x150 [ 128.498876][ T6517] should_fail_ex+0x412/0x560 [ 128.498892][ T6517] _copy_to_user+0x31/0xb0 [ 128.498906][ T6517] simple_read_from_buffer+0xe1/0x170 [ 128.498921][ T6517] proc_fail_nth_read+0x1bb/0x230 [ 128.498935][ T6517] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 128.498948][ T6517] ? rw_verify_area+0x2a6/0x4d0 [ 128.498957][ T6517] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 128.498970][ T6517] vfs_read+0x20c/0xa70 [ 128.498978][ T6517] ? fdget_pos+0x246/0x320 [ 128.498992][ T6517] ? __pfx___mutex_lock+0x10/0x10 [ 128.499002][ T6517] ? __pfx_vfs_read+0x10/0x10 [ 128.499012][ T6517] ? __fget_files+0x3a0/0x420 [ 128.499024][ T6517] ? __fget_files+0x2a/0x420 [ 128.499047][ T6517] ksys_read+0x150/0x270 [ 128.499056][ T6517] ? __pfx_ksys_read+0x10/0x10 [ 128.499065][ T6517] ? rcu_is_watching+0x15/0xb0 [ 128.499080][ T6517] do_syscall_64+0x14d/0xf80 [ 128.499095][ T6517] ? trace_irq_disable+0x3b/0x150 [ 128.499109][ T6517] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.499119][ T6517] ? clear_bhb_loop+0x40/0x90 [ 128.499138][ T6517] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.499147][ T6517] RIP: 0033:0x7f65f015ac0e [ 128.499157][ T6517] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 128.499165][ T6517] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 128.499177][ T6517] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 128.499184][ T6517] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 128.499190][ T6517] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 128.499196][ T6517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 128.499201][ T6517] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 128.499212][ T6517] [ 128.723849][ T6519] FAULT_INJECTION: forcing a failure. [ 128.723849][ T6519] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 128.736873][ T6519] CPU: 1 UID: 0 PID: 6519 Comm: syz.0.41 Not tainted syzkaller #0 PREEMPT(full) [ 128.736888][ T6519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 128.736894][ T6519] Call Trace: [ 128.736899][ T6519] [ 128.736903][ T6519] dump_stack_lvl+0xe8/0x150 [ 128.736921][ T6519] should_fail_ex+0x412/0x560 [ 128.736934][ T6519] strncpy_from_user+0x36/0x2b0 [ 128.736945][ T6519] strncpy_from_user_nofault+0x71/0x150 [ 128.736958][ T6519] bpf_probe_read_compat_str+0xe1/0x180 [ 128.736971][ T6519] bpf_prog_a259ef856bcc7fdb+0x46/0x4c [ 128.736980][ T6519] bpf_trace_run1+0x36f/0x830 [ 128.736995][ T6519] ? bpf_trace_run1+0x1cf/0x830 [ 128.737008][ T6519] ? __pfx_bpf_trace_run1+0x10/0x10 [ 128.737022][ T6519] ? rcu_is_watching+0x15/0xb0 [ 128.737035][ T6519] ? __bpf_trace_workqueue_activate_work+0xa8/0x110 [ 128.737050][ T6519] __bpf_trace_workqueue_activate_work+0xc1/0x110 [ 128.737064][ T6519] ? __pfx___bpf_trace_workqueue_activate_work+0x10/0x10 [ 128.737077][ T6519] ? do_raw_spin_lock+0x12b/0x2f0 [ 128.737087][ T6519] ? __pfx_pwq_tryinc_nr_active+0x10/0x10 [ 128.737098][ T6519] ? lock_acquire+0x57/0x2e0 [ 128.737110][ T6519] trace_workqueue_activate_work+0x187/0x200 [ 128.737123][ T6519] __queue_work+0xcf3/0x1020 [ 128.737136][ T6519] ? __queue_work+0x1a1/0x1020 [ 128.737149][ T6519] queue_work_on+0x106/0x1d0 [ 128.737163][ T6519] net_enable_timestamp+0x14b/0x1a0 [ 128.737176][ T6519] ? __pfx_net_enable_timestamp+0x10/0x10 [ 128.737188][ T6519] ? sk_setsockopt+0xe62/0x2e80 [ 128.737200][ T6519] ? sock_set_timestamp+0x407/0x5e0 [ 128.737212][ T6519] sk_setsockopt+0x1b6c/0x2e80 [ 128.737224][ T6519] ? rcu_is_watching+0x15/0xb0 [ 128.737238][ T6519] ? __pfx_sk_setsockopt+0x10/0x10 [ 128.737250][ T6519] ? aa_sk_perm+0x6d5/0x900 [ 128.737262][ T6519] ? __pfx_aa_sk_perm+0x10/0x10 [ 128.737271][ T6519] ? lock_release+0x4b/0x3d0 [ 128.737282][ T6519] ? aa_sock_opt_perm+0xff/0x1a0 [ 128.737294][ T6519] ? bpf_lsm_socket_setsockopt+0x9/0x20 [ 128.737305][ T6519] do_sock_setsockopt+0x11b/0x1b0 [ 128.737320][ T6519] __x64_sys_setsockopt+0x13d/0x1b0 [ 128.737334][ T6519] do_syscall_64+0x14d/0xf80 [ 128.737348][ T6519] ? trace_irq_disable+0x3b/0x150 [ 128.737363][ T6519] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.737372][ T6519] ? clear_bhb_loop+0x40/0x90 [ 128.737382][ T6519] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.737392][ T6519] RIP: 0033:0x7f65f019a339 [ 128.737401][ T6519] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 128.737409][ T6519] RSP: 002b:00007f65ef7fe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 128.737421][ T6519] RAX: ffffffffffffffda RBX: 00007f65f03d5fa0 RCX: 00007f65f019a339 [ 128.737428][ T6519] RDX: 000000000000001d RSI: 0000000000000001 RDI: 0000000000000005 [ 128.737434][ T6519] RBP: 00007f65ef7fe090 R08: 0000000000000004 R09: 0000000000000000 [ 128.737440][ T6519] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000001 [ 128.737446][ T6519] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 128.737456][ T6519] [ 129.077328][ T6521] FAULT_INJECTION: forcing a failure. [ 129.077328][ T6521] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 129.090610][ T6521] CPU: 0 UID: 0 PID: 6521 Comm: syz.0.42 Not tainted syzkaller #0 PREEMPT(full) [ 129.090632][ T6521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 129.090642][ T6521] Call Trace: [ 129.090648][ T6521] [ 129.090655][ T6521] dump_stack_lvl+0xe8/0x150 2026/02/26 20:56:01 executed programs: 27 [ 129.090679][ T6521] should_fail_ex+0x412/0x560 [ 129.090706][ T6521] _copy_to_user+0x31/0xb0 [ 129.090729][ T6521] simple_read_from_buffer+0xe1/0x170 [ 129.090752][ T6521] proc_fail_nth_read+0x1bb/0x230 [ 129.090776][ T6521] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 129.090799][ T6521] ? rw_verify_area+0x2a6/0x4d0 [ 129.090815][ T6521] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 129.090837][ T6521] vfs_read+0x20c/0xa70 [ 129.090852][ T6521] ? fdget_pos+0x246/0x320 [ 129.090877][ T6521] ? __pfx___mutex_lock+0x10/0x10 [ 129.090893][ T6521] ? __pfx_vfs_read+0x10/0x10 [ 129.090912][ T6521] ? __fget_files+0x3a0/0x420 [ 129.090934][ T6521] ? __fget_files+0x2a/0x420 [ 129.090960][ T6521] ksys_read+0x150/0x270 [ 129.090977][ T6521] ? __pfx_ksys_read+0x10/0x10 [ 129.090994][ T6521] ? rcu_is_watching+0x15/0xb0 [ 129.091019][ T6521] do_syscall_64+0x14d/0xf80 [ 129.091044][ T6521] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.091062][ T6521] ? clear_bhb_loop+0x40/0x90 [ 129.091087][ T6521] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.091104][ T6521] RIP: 0033:0x7f65f015ac0e [ 129.091119][ T6521] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 129.091133][ T6521] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 129.091153][ T6521] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 129.091166][ T6521] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 129.091177][ T6521] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 129.091188][ T6521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 129.091198][ T6521] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 129.091217][ T6521] [ 129.307119][ T6523] FAULT_INJECTION: forcing a failure. [ 129.307119][ T6523] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 129.320243][ T6523] CPU: 1 UID: 0 PID: 6523 Comm: syz.0.43 Not tainted syzkaller #0 PREEMPT(full) [ 129.320266][ T6523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 129.320275][ T6523] Call Trace: [ 129.320282][ T6523] [ 129.320290][ T6523] dump_stack_lvl+0xe8/0x150 [ 129.320312][ T6523] should_fail_ex+0x412/0x560 [ 129.320326][ T6523] _copy_to_user+0x31/0xb0 [ 129.320340][ T6523] simple_read_from_buffer+0xe1/0x170 [ 129.320354][ T6523] proc_fail_nth_read+0x1bb/0x230 [ 129.320368][ T6523] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 129.320381][ T6523] ? rw_verify_area+0x2a6/0x4d0 [ 129.320390][ T6523] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 129.320403][ T6523] vfs_read+0x20c/0xa70 [ 129.320411][ T6523] ? fdget_pos+0x246/0x320 [ 129.320425][ T6523] ? __pfx___mutex_lock+0x10/0x10 [ 129.320434][ T6523] ? __pfx_vfs_read+0x10/0x10 [ 129.320444][ T6523] ? __fget_files+0x3a0/0x420 [ 129.320457][ T6523] ? __fget_files+0x2a/0x420 [ 129.320471][ T6523] ksys_read+0x150/0x270 [ 129.320481][ T6523] ? __pfx_ksys_read+0x10/0x10 [ 129.320490][ T6523] ? rcu_is_watching+0x15/0xb0 [ 129.320504][ T6523] do_syscall_64+0x14d/0xf80 [ 129.320519][ T6523] ? trace_irq_disable+0x3b/0x150 [ 129.320532][ T6523] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.320542][ T6523] ? clear_bhb_loop+0x40/0x90 [ 129.320552][ T6523] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.320562][ T6523] RIP: 0033:0x7f65f015ac0e [ 129.320571][ T6523] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 129.320579][ T6523] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 129.320590][ T6523] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 129.320598][ T6523] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 129.320604][ T6523] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 129.320609][ T6523] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 129.320615][ T6523] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 129.320625][ T6523] [ 129.534720][ T6525] FAULT_INJECTION: forcing a failure. [ 129.534720][ T6525] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 129.549350][ T6525] CPU: 0 UID: 0 PID: 6525 Comm: syz.0.44 Not tainted syzkaller #0 PREEMPT(full) [ 129.549373][ T6525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 129.549383][ T6525] Call Trace: [ 129.549390][ T6525] [ 129.549396][ T6525] dump_stack_lvl+0xe8/0x150 [ 129.549423][ T6525] should_fail_ex+0x412/0x560 [ 129.549444][ T6525] _copy_to_user+0x31/0xb0 [ 129.549468][ T6525] simple_read_from_buffer+0xe1/0x170 [ 129.549493][ T6525] proc_fail_nth_read+0x1bb/0x230 [ 129.549516][ T6525] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 129.549539][ T6525] ? rw_verify_area+0x2a6/0x4d0 [ 129.549554][ T6525] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 129.549591][ T6525] vfs_read+0x20c/0xa70 [ 129.549606][ T6525] ? fdget_pos+0x246/0x320 [ 129.549631][ T6525] ? __pfx___mutex_lock+0x10/0x10 [ 129.549646][ T6525] ? __pfx_vfs_read+0x10/0x10 [ 129.549665][ T6525] ? __fget_files+0x3a0/0x420 [ 129.549687][ T6525] ? __fget_files+0x2a/0x420 [ 129.549712][ T6525] ksys_read+0x150/0x270 [ 129.549729][ T6525] ? __pfx_ksys_read+0x10/0x10 [ 129.549746][ T6525] ? rcu_is_watching+0x15/0xb0 [ 129.549770][ T6525] do_syscall_64+0x14d/0xf80 [ 129.549801][ T6525] ? trace_irq_disable+0x3b/0x150 [ 129.549824][ T6525] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.549841][ T6525] ? clear_bhb_loop+0x40/0x90 [ 129.549860][ T6525] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.549877][ T6525] RIP: 0033:0x7f65f015ac0e [ 129.549893][ T6525] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 129.549907][ T6525] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 129.549925][ T6525] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 129.549938][ T6525] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 129.549949][ T6525] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 129.549960][ T6525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 129.549971][ T6525] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 129.549991][ T6525] [ 129.770147][ T6527] FAULT_INJECTION: forcing a failure. [ 129.770147][ T6527] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 129.783436][ T6527] CPU: 0 UID: 0 PID: 6527 Comm: syz.0.45 Not tainted syzkaller #0 PREEMPT(full) [ 129.783460][ T6527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 129.783471][ T6527] Call Trace: [ 129.783478][ T6527] [ 129.783485][ T6527] dump_stack_lvl+0xe8/0x150 [ 129.783513][ T6527] should_fail_ex+0x412/0x560 [ 129.783534][ T6527] _copy_to_user+0x31/0xb0 [ 129.783558][ T6527] simple_read_from_buffer+0xe1/0x170 [ 129.783582][ T6527] proc_fail_nth_read+0x1bb/0x230 [ 129.783612][ T6527] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 129.783638][ T6527] ? rw_verify_area+0x2a6/0x4d0 [ 129.783654][ T6527] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 129.783676][ T6527] vfs_read+0x20c/0xa70 [ 129.783691][ T6527] ? fdget_pos+0x246/0x320 [ 129.783715][ T6527] ? __pfx___mutex_lock+0x10/0x10 [ 129.783732][ T6527] ? __pfx_vfs_read+0x10/0x10 [ 129.783751][ T6527] ? __fget_files+0x3a0/0x420 [ 129.783782][ T6527] ? __fget_files+0x2a/0x420 [ 129.783802][ T6527] ksys_read+0x150/0x270 [ 129.783817][ T6527] ? __pfx_ksys_read+0x10/0x10 [ 129.783832][ T6527] ? rcu_is_watching+0x15/0xb0 [ 129.783858][ T6527] do_syscall_64+0x14d/0xf80 [ 129.783880][ T6527] ? trace_irq_disable+0x3b/0x150 [ 129.783896][ T6527] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.783905][ T6527] ? clear_bhb_loop+0x40/0x90 [ 129.783916][ T6527] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.783925][ T6527] RIP: 0033:0x7f65f015ac0e [ 129.783938][ T6527] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 129.783949][ T6527] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 129.783964][ T6527] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 129.783971][ T6527] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 129.783977][ T6527] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 129.783983][ T6527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 129.783988][ T6527] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 129.783999][ T6527] [ 130.002770][ T6529] FAULT_INJECTION: forcing a failure. [ 130.002770][ T6529] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 130.015794][ T6529] CPU: 1 UID: 0 PID: 6529 Comm: syz.0.46 Not tainted syzkaller #0 PREEMPT(full) [ 130.015809][ T6529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 130.015815][ T6529] Call Trace: [ 130.015819][ T6529] [ 130.015824][ T6529] dump_stack_lvl+0xe8/0x150 [ 130.015841][ T6529] should_fail_ex+0x412/0x560 [ 130.015854][ T6529] strncpy_from_user+0x36/0x2b0 [ 130.015866][ T6529] strncpy_from_user_nofault+0x71/0x150 [ 130.015879][ T6529] bpf_probe_read_compat_str+0xe1/0x180 [ 130.015892][ T6529] bpf_prog_a259ef856bcc7fdb+0x46/0x4c [ 130.015901][ T6529] bpf_trace_run1+0x36f/0x830 [ 130.015920][ T6529] ? bpf_trace_run1+0x1cf/0x830 [ 130.015933][ T6529] ? __pfx_bpf_trace_run1+0x10/0x10 [ 130.015947][ T6529] ? rcu_is_watching+0x15/0xb0 [ 130.015960][ T6529] ? __bpf_trace_workqueue_activate_work+0xa8/0x110 [ 130.015975][ T6529] __bpf_trace_workqueue_activate_work+0xc1/0x110 [ 130.015993][ T6529] ? __pfx___bpf_trace_workqueue_activate_work+0x10/0x10 [ 130.016007][ T6529] ? do_raw_spin_lock+0x12b/0x2f0 [ 130.016017][ T6529] ? __pfx_pwq_tryinc_nr_active+0x10/0x10 [ 130.016029][ T6529] trace_workqueue_activate_work+0x187/0x200 [ 130.016041][ T6529] __queue_work+0xcf3/0x1020 [ 130.016059][ T6529] ? __queue_work+0x1a1/0x1020 [ 130.016079][ T6529] queue_work_on+0x106/0x1d0 [ 130.016100][ T6529] net_enable_timestamp+0x14b/0x1a0 [ 130.016120][ T6529] ? __pfx_net_enable_timestamp+0x10/0x10 [ 130.016137][ T6529] ? sk_setsockopt+0xe62/0x2e80 [ 130.016155][ T6529] ? sock_set_timestamp+0x407/0x5e0 [ 130.016174][ T6529] sk_setsockopt+0x1b6c/0x2e80 [ 130.016193][ T6529] ? rcu_is_watching+0x15/0xb0 [ 130.016207][ T6529] ? __pfx_sk_setsockopt+0x10/0x10 [ 130.016219][ T6529] ? aa_sk_perm+0x6d5/0x900 [ 130.016231][ T6529] ? __pfx_aa_sk_perm+0x10/0x10 [ 130.016240][ T6529] ? lock_release+0x4b/0x3d0 [ 130.016253][ T6529] ? aa_sock_opt_perm+0xff/0x1a0 [ 130.016264][ T6529] ? bpf_lsm_socket_setsockopt+0x9/0x20 [ 130.016276][ T6529] do_sock_setsockopt+0x11b/0x1b0 [ 130.016291][ T6529] __x64_sys_setsockopt+0x13d/0x1b0 [ 130.016305][ T6529] do_syscall_64+0x14d/0xf80 [ 130.016320][ T6529] ? trace_irq_disable+0x3b/0x150 [ 130.016334][ T6529] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.016343][ T6529] ? clear_bhb_loop+0x40/0x90 [ 130.016354][ T6529] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.016363][ T6529] RIP: 0033:0x7f65f019a339 [ 130.016373][ T6529] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 130.016381][ T6529] RSP: 002b:00007f65ef7fe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 130.016393][ T6529] RAX: ffffffffffffffda RBX: 00007f65f03d5fa0 RCX: 00007f65f019a339 [ 130.016400][ T6529] RDX: 000000000000001d RSI: 0000000000000001 RDI: 0000000000000005 [ 130.016406][ T6529] RBP: 00007f65ef7fe090 R08: 0000000000000004 R09: 0000000000000000 [ 130.016412][ T6529] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000001 [ 130.016418][ T6529] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 130.016428][ T6529] [ 130.327093][ T6531] FAULT_INJECTION: forcing a failure. [ 130.327093][ T6531] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 130.340188][ T6531] CPU: 0 UID: 0 PID: 6531 Comm: syz.0.47 Not tainted syzkaller #0 PREEMPT(full) [ 130.340211][ T6531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 130.340221][ T6531] Call Trace: [ 130.340230][ T6531] [ 130.340238][ T6531] dump_stack_lvl+0xe8/0x150 [ 130.340257][ T6531] should_fail_ex+0x412/0x560 [ 130.340270][ T6531] _copy_to_user+0x31/0xb0 [ 130.340284][ T6531] simple_read_from_buffer+0xe1/0x170 [ 130.340299][ T6531] proc_fail_nth_read+0x1bb/0x230 [ 130.340313][ T6531] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 130.340327][ T6531] ? rw_verify_area+0x2a6/0x4d0 [ 130.340336][ T6531] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 130.340348][ T6531] vfs_read+0x20c/0xa70 [ 130.340357][ T6531] ? fdget_pos+0x246/0x320 [ 130.340371][ T6531] ? __pfx___mutex_lock+0x10/0x10 [ 130.340380][ T6531] ? __pfx_vfs_read+0x10/0x10 [ 130.340390][ T6531] ? __fget_files+0x3a0/0x420 [ 130.340403][ T6531] ? __fget_files+0x2a/0x420 [ 130.340417][ T6531] ksys_read+0x150/0x270 [ 130.340428][ T6531] ? __pfx_ksys_read+0x10/0x10 [ 130.340437][ T6531] ? rcu_is_watching+0x15/0xb0 [ 130.340451][ T6531] do_syscall_64+0x14d/0xf80 [ 130.340466][ T6531] ? trace_irq_disable+0x3b/0x150 [ 130.340480][ T6531] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.340490][ T6531] ? clear_bhb_loop+0x40/0x90 [ 130.340501][ T6531] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.340511][ T6531] RIP: 0033:0x7f65f015ac0e [ 130.340521][ T6531] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 130.340529][ T6531] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 130.340541][ T6531] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 130.340548][ T6531] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 130.340554][ T6531] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 130.340560][ T6531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 130.340566][ T6531] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 130.340576][ T6531] [ 130.557119][ T6533] FAULT_INJECTION: forcing a failure. [ 130.557119][ T6533] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 130.570614][ T6533] CPU: 0 UID: 0 PID: 6533 Comm: syz.0.48 Not tainted syzkaller #0 PREEMPT(full) [ 130.570638][ T6533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 130.570655][ T6533] Call Trace: [ 130.570662][ T6533] [ 130.570669][ T6533] dump_stack_lvl+0xe8/0x150 [ 130.570700][ T6533] should_fail_ex+0x412/0x560 [ 130.570721][ T6533] _copy_to_user+0x31/0xb0 [ 130.570746][ T6533] simple_read_from_buffer+0xe1/0x170 [ 130.570769][ T6533] proc_fail_nth_read+0x1bb/0x230 [ 130.570792][ T6533] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 130.570815][ T6533] ? rw_verify_area+0x2a6/0x4d0 [ 130.570830][ T6533] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 130.570851][ T6533] vfs_read+0x20c/0xa70 [ 130.570866][ T6533] ? fdget_pos+0x246/0x320 [ 130.570889][ T6533] ? __pfx___mutex_lock+0x10/0x10 [ 130.570905][ T6533] ? __pfx_vfs_read+0x10/0x10 [ 130.570924][ T6533] ? __fget_files+0x3a0/0x420 [ 130.570947][ T6533] ? __fget_files+0x2a/0x420 [ 130.570969][ T6533] ksys_read+0x150/0x270 [ 130.570986][ T6533] ? __pfx_ksys_read+0x10/0x10 [ 130.571003][ T6533] ? rcu_is_watching+0x15/0xb0 [ 130.571026][ T6533] do_syscall_64+0x14d/0xf80 [ 130.571048][ T6533] ? trace_irq_disable+0x3b/0x150 [ 130.571070][ T6533] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.571085][ T6533] ? clear_bhb_loop+0x40/0x90 [ 130.571104][ T6533] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.571116][ T6533] RIP: 0033:0x7f65f015ac0e [ 130.571127][ T6533] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 130.571134][ T6533] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 130.571145][ T6533] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 130.571153][ T6533] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 130.571159][ T6533] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 130.571164][ T6533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 130.571170][ T6533] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 130.571180][ T6533] [ 130.789199][ T6535] FAULT_INJECTION: forcing a failure. [ 130.789199][ T6535] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 130.802440][ T6535] CPU: 1 UID: 0 PID: 6535 Comm: syz.0.49 Not tainted syzkaller #0 PREEMPT(full) [ 130.802455][ T6535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 130.802461][ T6535] Call Trace: [ 130.802465][ T6535] [ 130.802469][ T6535] dump_stack_lvl+0xe8/0x150 [ 130.802487][ T6535] should_fail_ex+0x412/0x560 [ 130.802499][ T6535] _copy_to_user+0x31/0xb0 [ 130.802513][ T6535] simple_read_from_buffer+0xe1/0x170 [ 130.802527][ T6535] proc_fail_nth_read+0x1bb/0x230 [ 130.802540][ T6535] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 130.802553][ T6535] ? rw_verify_area+0x2a6/0x4d0 [ 130.802562][ T6535] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 130.802575][ T6535] vfs_read+0x20c/0xa70 [ 130.802583][ T6535] ? fdget_pos+0x246/0x320 [ 130.802597][ T6535] ? __pfx___mutex_lock+0x10/0x10 [ 130.802606][ T6535] ? __pfx_vfs_read+0x10/0x10 [ 130.802616][ T6535] ? __fget_files+0x3a0/0x420 [ 130.802628][ T6535] ? __fget_files+0x2a/0x420 [ 130.802643][ T6535] ksys_read+0x150/0x270 [ 130.802652][ T6535] ? __pfx_ksys_read+0x10/0x10 [ 130.802661][ T6535] ? rcu_is_watching+0x15/0xb0 [ 130.802675][ T6535] do_syscall_64+0x14d/0xf80 [ 130.802689][ T6535] ? trace_irq_disable+0x3b/0x150 [ 130.802703][ T6535] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.802712][ T6535] ? clear_bhb_loop+0x40/0x90 [ 130.802723][ T6535] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.802732][ T6535] RIP: 0033:0x7f65f015ac0e [ 130.802742][ T6535] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 130.802750][ T6535] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 130.802761][ T6535] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 130.802768][ T6535] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 130.802774][ T6535] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 130.802780][ T6535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 130.802785][ T6535] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 130.802796][ T6535] [ 131.022148][ T6537] FAULT_INJECTION: forcing a failure. [ 131.022148][ T6537] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 131.036139][ T6537] CPU: 0 UID: 0 PID: 6537 Comm: syz.0.50 Not tainted syzkaller #0 PREEMPT(full) [ 131.036162][ T6537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 131.036172][ T6537] Call Trace: [ 131.036178][ T6537] [ 131.036185][ T6537] dump_stack_lvl+0xe8/0x150 [ 131.036212][ T6537] should_fail_ex+0x412/0x560 [ 131.036232][ T6537] _copy_to_user+0x31/0xb0 [ 131.036255][ T6537] simple_read_from_buffer+0xe1/0x170 [ 131.036278][ T6537] proc_fail_nth_read+0x1bb/0x230 [ 131.036300][ T6537] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 131.036322][ T6537] ? rw_verify_area+0x2a6/0x4d0 [ 131.036336][ T6537] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 131.036356][ T6537] vfs_read+0x20c/0xa70 [ 131.036370][ T6537] ? fdget_pos+0x246/0x320 [ 131.036394][ T6537] ? __pfx___mutex_lock+0x10/0x10 [ 131.036410][ T6537] ? __pfx_vfs_read+0x10/0x10 [ 131.036429][ T6537] ? __fget_files+0x3a0/0x420 [ 131.036448][ T6537] ? __fget_files+0x2a/0x420 [ 131.036463][ T6537] ksys_read+0x150/0x270 [ 131.036473][ T6537] ? __pfx_ksys_read+0x10/0x10 [ 131.036482][ T6537] ? rcu_is_watching+0x15/0xb0 [ 131.036497][ T6537] do_syscall_64+0x14d/0xf80 [ 131.036512][ T6537] ? trace_irq_disable+0x3b/0x150 [ 131.036526][ T6537] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 131.036536][ T6537] ? clear_bhb_loop+0x40/0x90 [ 131.036547][ T6537] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 131.036556][ T6537] RIP: 0033:0x7f65f015ac0e [ 131.036565][ T6537] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 131.036573][ T6537] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 131.036585][ T6537] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 131.036592][ T6537] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 131.036606][ T6537] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 131.036612][ T6537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 131.036617][ T6537] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 131.036627][ T6537] [ 131.257372][ T6539] FAULT_INJECTION: forcing a failure. [ 131.257372][ T6539] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 131.270627][ T6539] CPU: 0 UID: 0 PID: 6539 Comm: syz.0.51 Not tainted syzkaller #0 PREEMPT(full) [ 131.270648][ T6539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 131.270657][ T6539] Call Trace: [ 131.270663][ T6539] [ 131.270669][ T6539] dump_stack_lvl+0xe8/0x150 [ 131.270696][ T6539] should_fail_ex+0x412/0x560 [ 131.270715][ T6539] _copy_to_user+0x31/0xb0 [ 131.270737][ T6539] simple_read_from_buffer+0xe1/0x170 [ 131.270760][ T6539] proc_fail_nth_read+0x1bb/0x230 [ 131.270784][ T6539] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 131.270800][ T6539] ? rw_verify_area+0x2a6/0x4d0 [ 131.270809][ T6539] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 131.270822][ T6539] vfs_read+0x20c/0xa70 [ 131.270830][ T6539] ? fdget_pos+0x246/0x320 [ 131.270844][ T6539] ? __pfx___mutex_lock+0x10/0x10 [ 131.270853][ T6539] ? __pfx_vfs_read+0x10/0x10 [ 131.270864][ T6539] ? __fget_files+0x3a0/0x420 [ 131.270876][ T6539] ? __fget_files+0x2a/0x420 [ 131.270891][ T6539] ksys_read+0x150/0x270 [ 131.270900][ T6539] ? __pfx_ksys_read+0x10/0x10 [ 131.270910][ T6539] ? rcu_is_watching+0x15/0xb0 [ 131.270924][ T6539] do_syscall_64+0x14d/0xf80 [ 131.270938][ T6539] ? trace_irq_disable+0x3b/0x150 [ 131.270953][ T6539] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 131.270962][ T6539] ? clear_bhb_loop+0x40/0x90 [ 131.270973][ T6539] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 131.270982][ T6539] RIP: 0033:0x7f65f015ac0e [ 131.270992][ T6539] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 131.271000][ T6539] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 131.271011][ T6539] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 131.271018][ T6539] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 131.271024][ T6539] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 131.271030][ T6539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 131.271035][ T6539] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 131.271045][ T6539] [ 131.490690][ T6541] FAULT_INJECTION: forcing a failure. [ 131.490690][ T6541] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 131.503942][ T6541] CPU: 1 UID: 0 PID: 6541 Comm: syz.0.52 Not tainted syzkaller #0 PREEMPT(full) [ 131.503965][ T6541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 131.503975][ T6541] Call Trace: [ 131.503982][ T6541] [ 131.503989][ T6541] dump_stack_lvl+0xe8/0x150 [ 131.504017][ T6541] should_fail_ex+0x412/0x560 [ 131.504038][ T6541] _copy_to_user+0x31/0xb0 [ 131.504062][ T6541] simple_read_from_buffer+0xe1/0x170 [ 131.504087][ T6541] proc_fail_nth_read+0x1bb/0x230 [ 131.504111][ T6541] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 131.504134][ T6541] ? rw_verify_area+0x2a6/0x4d0 [ 131.504150][ T6541] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 131.504173][ T6541] vfs_read+0x20c/0xa70 [ 131.504187][ T6541] ? fdget_pos+0x246/0x320 [ 131.504212][ T6541] ? __pfx___mutex_lock+0x10/0x10 [ 131.504228][ T6541] ? __pfx_vfs_read+0x10/0x10 [ 131.504247][ T6541] ? __fget_files+0x3a0/0x420 [ 131.504269][ T6541] ? __fget_files+0x2a/0x420 [ 131.504295][ T6541] ksys_read+0x150/0x270 [ 131.504312][ T6541] ? __pfx_ksys_read+0x10/0x10 [ 131.504330][ T6541] ? rcu_is_watching+0x15/0xb0 [ 131.504354][ T6541] do_syscall_64+0x14d/0xf80 [ 131.504378][ T6541] ? trace_irq_disable+0x3b/0x150 [ 131.504402][ T6541] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 131.504420][ T6541] ? clear_bhb_loop+0x40/0x90 [ 131.504439][ T6541] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 131.504455][ T6541] RIP: 0033:0x7f65f015ac0e [ 131.504478][ T6541] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 131.504493][ T6541] RSP: 002b:00007f65ef7fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 131.504511][ T6541] RAX: ffffffffffffffda RBX: 00007f65ef7fe6c0 RCX: 00007f65f015ac0e [ 131.504523][ T6541] RDX: 000000000000000f RSI: 00007f65ef7fe0a0 RDI: 0000000000000007 [ 131.504533][ T6541] RBP: 00007f65ef7fe090 R08: 0000000000000000 R09: 0000000000000000 [ 131.504544][ T6541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 131.504554][ T6541] R13: 00007f65f03d6038 R14: 00007f65f03d5fa0 R15: 00007fff0d6d1c38 [ 131.504573][ T6541] [ 131.727851][ T6543] FAULT_INJECTION: forcing a failure. [ 131.727851][ T6543] name fail_usercopy, interval 1, probability 0, space 0, times 0