Warning: Permanently added '10.128.0.48' (ED25519) to the list of known hosts.
2026/05/18 06:00:09 parsed 1 programs
[ 25.645201][ T36] audit: type=1400 audit(1779084009.170:64): avc: denied { node_bind } for pid=302 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 26.789947][ T36] audit: type=1400 audit(1779084010.320:65): avc: denied { mounton } for pid=310 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1
[ 26.791006][ T310] cgroup: Unknown subsys name 'net'
[ 26.812708][ T36] audit: type=1400 audit(1779084010.320:66): avc: denied { mount } for pid=310 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 26.840145][ T36] audit: type=1400 audit(1779084010.340:67): avc: denied { unmount } for pid=310 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 26.840287][ T310] cgroup: Unknown subsys name 'devices'
[ 27.020535][ T310] cgroup: Unknown subsys name 'hugetlb'
[ 27.026184][ T310] cgroup: Unknown subsys name 'rlimit'
[ 27.166786][ T36] audit: type=1400 audit(1779084010.690:68): avc: denied { setattr } for pid=310 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 27.190480][ T36] audit: type=1400 audit(1779084010.690:69): avc: denied { create } for pid=310 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 27.202207][ T313] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 27.211151][ T36] audit: type=1400 audit(1779084010.690:70): avc: denied { write } for pid=310 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 27.240032][ T36] audit: type=1400 audit(1779084010.690:71): avc: denied { read } for pid=310 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
Setting up swapspace version 1, size = 127995904 bytes
[ 27.244119][ T310] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 27.260363][ T36] audit: type=1400 audit(1779084010.690:72): avc: denied { sys_module } for pid=310 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1
[ 27.289986][ T36] audit: type=1400 audit(1779084010.690:73): avc: denied { mounton } for pid=310 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1
[ 28.310128][ T321] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[ 29.050126][ T354] bridge0: port 1(bridge_slave_0) entered blocking state
[ 29.057223][ T354] bridge0: port 1(bridge_slave_0) entered disabled state
[ 29.064433][ T354] bridge_slave_0: entered allmulticast mode
[ 29.070756][ T354] bridge_slave_0: entered promiscuous mode
[ 29.078761][ T354] bridge0: port 2(bridge_slave_1) entered blocking state
[ 29.085826][ T354] bridge0: port 2(bridge_slave_1) entered disabled state
[ 29.093069][ T354] bridge_slave_1: entered allmulticast mode
[ 29.104569][ T354] bridge_slave_1: entered promiscuous mode
[ 29.239931][ T354] bridge0: port 2(bridge_slave_1) entered blocking state
[ 29.247070][ T354] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 29.254638][ T354] bridge0: port 1(bridge_slave_0) entered blocking state
[ 29.261728][ T354] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 29.304022][ T13] bridge0: port 1(bridge_slave_0) entered disabled state
[ 29.312098][ T13] bridge0: port 2(bridge_slave_1) entered disabled state
[ 29.330847][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 29.337939][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
2026/05/18 06:00:12 executed programs: 0
[ 29.347670][ T308] bridge0: port 2(bridge_slave_1) entered blocking state
[ 29.354762][ T308] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 29.377895][ T354] veth0_vlan: entered promiscuous mode
[ 29.389544][ T354] veth1_macvtap: entered promiscuous mode
[ 29.584335][ T382] bridge0: port 1(bridge_slave_0) entered blocking state
[ 29.591487][ T382] bridge0: port 1(bridge_slave_0) entered disabled state
[ 29.598654][ T382] bridge_slave_0: entered allmulticast mode
[ 29.605058][ T382] bridge_slave_0: entered promiscuous mode
[ 29.612829][ T382] bridge0: port 2(bridge_slave_1) entered blocking state
[ 29.619949][ T382] bridge0: port 2(bridge_slave_1) entered disabled state
[ 29.627019][ T382] bridge_slave_1: entered allmulticast mode
[ 29.633456][ T382] bridge_slave_1: entered promiscuous mode
[ 29.706687][ T387] bridge0: port 1(bridge_slave_0) entered blocking state
[ 29.713839][ T387] bridge0: port 1(bridge_slave_0) entered disabled state
[ 29.720995][ T387] bridge_slave_0: entered allmulticast mode
[ 29.727694][ T387] bridge_slave_0: entered promiscuous mode
[ 29.735751][ T387] bridge0: port 2(bridge_slave_1) entered blocking state
[ 29.742846][ T387] bridge0: port 2(bridge_slave_1) entered disabled state
[ 29.750131][ T387] bridge_slave_1: entered allmulticast mode
[ 29.756295][ T387] bridge_slave_1: entered promiscuous mode
[ 29.762546][ T384] bridge0: port 1(bridge_slave_0) entered blocking state
[ 29.769845][ T384] bridge0: port 1(bridge_slave_0) entered disabled state
[ 29.777075][ T384] bridge_slave_0: entered allmulticast mode
[ 29.783390][ T384] bridge_slave_0: entered promiscuous mode
[ 29.802695][ T384] bridge0: port 2(bridge_slave_1) entered blocking state
[ 29.809821][ T384] bridge0: port 2(bridge_slave_1) entered disabled state
[ 29.817080][ T384] bridge_slave_1: entered allmulticast mode
[ 29.823376][ T384] bridge_slave_1: entered promiscuous mode
[ 29.830043][ T343] bridge_slave_1: left allmulticast mode
[ 29.835706][ T343] bridge_slave_1: left promiscuous mode
[ 29.841336][ T343] bridge0: port 2(bridge_slave_1) entered disabled state
[ 29.848979][ T343] bridge_slave_0: left allmulticast mode
[ 29.854700][ T343] bridge_slave_0: left promiscuous mode
[ 29.860369][ T343] bridge0: port 1(bridge_slave_0) entered disabled state
[ 29.974674][ T388] bridge0: port 1(bridge_slave_0) entered blocking state
[ 29.981834][ T388] bridge0: port 1(bridge_slave_0) entered disabled state
[ 29.989115][ T388] bridge_slave_0: entered allmulticast mode
[ 29.995433][ T388] bridge_slave_0: entered promiscuous mode
[ 30.002003][ T388] bridge0: port 2(bridge_slave_1) entered blocking state
[ 30.009079][ T388] bridge0: port 2(bridge_slave_1) entered disabled state
[ 30.016123][ T388] bridge_slave_1: entered allmulticast mode
[ 30.022994][ T388] bridge_slave_1: entered promiscuous mode
[ 30.033313][ T343] veth1_macvtap: left promiscuous mode
[ 30.038951][ T343] veth0_vlan: left promiscuous mode
[ 30.216250][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 30.223344][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 30.240021][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 30.247088][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 30.282756][ T46] bridge0: port 1(bridge_slave_0) entered blocking state
[ 30.289851][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 30.298416][ T46] bridge0: port 2(bridge_slave_1) entered blocking state
[ 30.305497][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 30.322110][ T382] veth0_vlan: entered promiscuous mode
[ 30.339635][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 30.346701][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 30.355181][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 30.362248][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 30.387862][ T382] veth1_macvtap: entered promiscuous mode
[ 30.409825][ T46] bridge0: port 1(bridge_slave_0) entered blocking state
[ 30.416899][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 30.431707][ T46] bridge0: port 2(bridge_slave_1) entered blocking state
[ 30.438831][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 30.462323][ T387] veth0_vlan: entered promiscuous mode
[ 30.481871][ T384] veth0_vlan: entered promiscuous mode
[ 30.496155][ T384] veth1_macvtap: entered promiscuous mode
[ 30.517816][ T388] veth0_vlan: entered promiscuous mode
[ 30.536571][ T387] veth1_macvtap: entered promiscuous mode
[ 30.559692][ T388] veth1_macvtap: entered promiscuous mode
[ 30.768680][ T45] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 30.818665][ T9] usb 2-1: new high-speed USB device number 2 using dummy_hcd
[ 30.848884][ T65] usb 4-1: new high-speed USB device number 2 using dummy_hcd
[ 30.858628][ T404] usb 6-1: new high-speed USB device number 2 using dummy_hcd
[ 30.918619][ T45] usb 1-1: Using ep0 maxpacket: 16
[ 30.925219][ T45] usb 1-1: unable to get BOS descriptor or descriptor too short
[ 30.934004][ T45] usb 1-1: config 1 interface 2 altsetting 1 endpoint 0x82 has an invalid bInterval 127, changing to 7
[ 30.946474][ T45] usb 1-1: New USB device found, idVendor=103d, idProduct=0100, bcdDevice= 0.40
[ 30.955618][ T45] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 30.963687][ T45] usb 1-1: Product: syz
[ 30.967838][ T45] usb 1-1: Manufacturer: syz
[ 30.972545][ T45] usb 1-1: SerialNumber: syz
[ 30.980288][ T9] usb 2-1: Using ep0 maxpacket: 16
[ 30.988318][ T9] usb 2-1: unable to get BOS descriptor or descriptor too short
[ 30.996938][ T9] usb 2-1: config 1 interface 2 altsetting 1 endpoint 0x82 has an invalid bInterval 127, changing to 7
[ 30.998623][ T65] usb 4-1: Using ep0 maxpacket: 16
[ 31.010151][ T9] usb 2-1: New USB device found, idVendor=103d, idProduct=0100, bcdDevice= 0.40
[ 31.015165][ T65] usb 4-1: unable to get BOS descriptor or descriptor too short
[ 31.023140][ T404] usb 6-1: Using ep0 maxpacket: 16
[ 31.031374][ T65] usb 4-1: config 1 interface 2 altsetting 1 endpoint 0x82 has an invalid bInterval 127, changing to 7
[ 31.035754][ T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 31.048388][ T65] usb 4-1: New USB device found, idVendor=103d, idProduct=0100, bcdDevice= 0.40
[ 31.056021][ T9] usb 2-1: Product: syz
[ 31.064926][ T65] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 31.068682][ T9] usb 2-1: Manufacturer: syz
[ 31.076133][ T65] usb 4-1: Product: syz
[ 31.081044][ T9] usb 2-1: SerialNumber: syz
[ 31.085213][ T65] usb 4-1: Manufacturer: syz
[ 31.089528][ T404] usb 6-1: unable to get BOS descriptor or descriptor too short
[ 31.094688][ T65] usb 4-1: SerialNumber: syz
[ 31.103381][ T404] usb 6-1: config 1 interface 2 altsetting 1 endpoint 0x82 has an invalid bInterval 127, changing to 7
[ 31.122080][ T404] usb 6-1: New USB device found, idVendor=103d, idProduct=0100, bcdDevice= 0.40
[ 31.131326][ T404] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 31.140129][ T404] usb 6-1: Product: syz
[ 31.144431][ T404] usb 6-1: Manufacturer: syz
[ 31.149115][ T404] usb 6-1: SerialNumber: syz
[ 31.180193][ T45] usb 1-1: Audio class v2/v3 interfaces need an interface association
[ 31.188655][ T45] snd-usb-audio 1-1:1.0: probe with driver snd-usb-audio failed with error -22
2026/05/18 06:00:18 executed programs: 16
2026/05/18 06:00:24 executed programs: 24
2026/05/18 06:00:30 executed programs: 32
2026/05/18 06:00:37 executed programs: 40
2026/05/18 06:00:43 executed programs: 48
2026/05/18 06:00:49 executed programs: 56
2026/05/18 06:00:55 executed programs: 64
2026/05/18 06:01:01 executed programs: 72
2026/05/18 06:01:07 executed programs: 80
2026/05/18 06:01:13 executed programs: 88
2026/05/18 06:01:19 executed programs: 96
2026/05/18 06:01:25 executed programs: 104
2026/05/18 06:01:31 executed programs: 112
2026/05/18 06:01:37 executed programs: 120
2026/05/18 06:01:43 executed programs: 128
2026/05/18 06:01:49 executed programs: 136
2026/05/18 06:01:55 executed programs: 144
2026/05/18 06:02:01 executed programs: 152
2026/05/18 06:02:07 executed programs: 160
2026/05/18 06:02:13 executed programs: 168
2026/05/18 06:02:19 executed programs: 176
2026/05/18 06:02:25 executed programs: 184
2026/05/18 06:02:31 executed programs: 192
[ 169.858533][ T37] INFO: task kworker/0:0:9 blocked for more than 122 seconds.
[ 169.866186][ T37] Not tainted syzkaller #0
[ 169.871444][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 169.880291][ T37] task:kworker/0:0 state:D stack:0 pid:9 tgid:9 ppid:2 flags:0x00004000
[ 169.890651][ T37] Workqueue: usb_hub_wq hub_event
[ 169.895705][ T37] Call Trace:
[ 169.899136][ T37]
[ 169.902165][ T37] __schedule+0x14ce/0x2100
[ 169.906695][ T37] ? __sched_text_start+0x10/0x10
[ 169.911972][ T37] ? kasan_save_alloc_info+0x40/0x50
[ 169.917360][ T37] ? __kasan_kmalloc+0x96/0xb0
[ 169.922328][ T37] ? __kasan_check_write+0x18/0x20
[ 169.927543][ T37] ? kthread_data+0x54/0xc0
[ 169.932220][ T37] ? wq_worker_sleeping+0x69/0x260
[ 169.937352][ T37] ? trace_contention_begin+0xc0/0xc0
[ 169.943198][ T37] ? sysfs_do_create_link_sd+0x8a/0x120
[ 169.948881][ T37] schedule+0xc5/0x240
[ 169.952982][ T37] schedule_preempt_disabled+0x14/0x30
[ 169.958682][ T37] __mutex_lock+0x960/0x1bc0
[ 169.963303][ T37] ? __ww_mutex_lock_interruptible_slowpath+0x30/0x30
[ 169.970327][ T37] ? selinux_kernfs_init_security+0x14b/0x4b0
[ 169.976512][ T37] ? __cfi_selinux_kernfs_init_security+0x10/0x10
[ 169.983206][ T37] ? snd_usb_apply_boot_quirk+0xea6/0x2d10
[ 169.989133][ T37] ? bpf_lsm_kernfs_init_security+0xd/0x20
[ 169.995049][ T37] ? security_kernfs_init_security+0x39/0xf0
[ 170.001214][ T37] __mutex_lock_slowpath+0xe/0x20
[ 170.006337][ T37] mutex_lock+0x113/0x1d0
[ 170.010847][ T37] ? __cfi_mutex_lock+0x10/0x10
[ 170.015737][ T37] ? _raw_spin_lock_irqsave+0xc1/0x160
[ 170.021420][ T37] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 170.027340][ T37] usb_audio_probe+0x39d/0x1d60
[ 170.032435][ T37] ? pm_runtime_enable+0x1eb/0x2d0
[ 170.037564][ T37] ? __cfi_usb_audio_probe+0x10/0x10
[ 170.043108][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 170.049058][ T37] ? pm_runtime_enable+0x1eb/0x2d0
[ 170.054271][ T37] usb_probe_interface+0x6ac/0xc00
[ 170.059651][ T37] ? __cfi_usb_probe_interface+0x10/0x10
[ 170.065387][ T37] really_probe+0x2d8/0x890
[ 170.070080][ T37] __driver_probe_device+0x198/0x280
[ 170.075386][ T37] driver_probe_device+0x54/0x3f0
[ 170.080675][ T37] ? __device_attach_driver+0x2db/0x4b0
[ 170.086323][ T37] __device_attach_driver+0x2f1/0x4b0
[ 170.091900][ T37] bus_for_each_drv+0x264/0x300
[ 170.096853][ T37] ? __cfi___device_attach_driver+0x10/0x10
[ 170.102971][ T37] ? __cfi_bus_for_each_drv+0x10/0x10
[ 170.108445][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 170.114380][ T37] __device_attach+0x2c9/0x3c0
[ 170.119396][ T37] ? device_attach+0x40/0x40
[ 170.124005][ T37] ? _raw_spin_lock+0x92/0x120
[ 170.128956][ T37] ? __cfi__raw_spin_lock+0x10/0x10
[ 170.134257][ T37] device_initial_probe+0x1e/0x30
[ 170.139477][ T37] bus_probe_device+0x18b/0x270
[ 170.144429][ T37] device_add+0x80c/0xbf0
[ 170.149041][ T37] usb_set_configuration+0x1acf/0x20b0
[ 170.154600][ T37] usb_generic_driver_probe+0x95/0x160
[ 170.160236][ T37] usb_probe_device+0x1d1/0x380
[ 170.165183][ T37] ? __cfi_usb_probe_device+0x10/0x10
[ 170.170758][ T37] really_probe+0x2d8/0x890
[ 170.175362][ T37] __driver_probe_device+0x198/0x280
[ 170.180883][ T37] driver_probe_device+0x54/0x3f0
[ 170.186038][ T37] ? __device_attach_driver+0x2db/0x4b0
[ 170.191777][ T37] __device_attach_driver+0x2f1/0x4b0
[ 170.197246][ T37] bus_for_each_drv+0x264/0x300
[ 170.202271][ T37] ? __cfi___device_attach_driver+0x10/0x10
[ 170.208269][ T37] ? __cfi_bus_for_each_drv+0x10/0x10
[ 170.213760][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 170.219799][ T37] __device_attach+0x2c9/0x3c0
[ 170.224591][ T37] ? device_attach+0x40/0x40
[ 170.229355][ T37] ? _raw_spin_lock+0x92/0x120
[ 170.234213][ T37] ? __cfi__raw_spin_lock+0x10/0x10
[ 170.239604][ T37] device_initial_probe+0x1e/0x30
[ 170.244732][ T37] bus_probe_device+0x18b/0x270
[ 170.249992][ T37] device_add+0x80c/0xbf0
[ 170.254350][ T37] usb_new_device+0x9f8/0x15b0
[ 170.260388][ T37] ? __cfi_usb_new_device+0x10/0x10
[ 170.265613][ T37] hub_event+0x30c6/0x4700
[ 170.270214][ T37] ? __cfi_hub_event+0x10/0x10
[ 170.275081][ T37] ? pwq_dec_nr_in_flight+0x6c7/0xc60
[ 170.280638][ T37] ? _raw_spin_lock_irq+0x93/0x120
[ 170.285965][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 170.291727][ T37] process_scheduled_works+0x7d4/0x1020
[ 170.297382][ T37] worker_thread+0xc51/0x1370
[ 170.302254][ T37] kthread+0x2c9/0x370
[ 170.306347][ T37] ? __cfi_worker_thread+0x10/0x10
[ 170.311778][ T37] ? __cfi_kthread+0x10/0x10
[ 170.316436][ T37] ret_from_fork+0x67/0xa0
[ 170.321160][ T37] ? __cfi_kthread+0x10/0x10
[ 170.325899][ T37] ret_from_fork_asm+0x1a/0x30
[ 170.330861][ T37]
[ 170.333932][ T37] INFO: task kworker/1:2:65 blocked for more than 123 seconds.
[ 170.341744][ T37] Not tainted syzkaller #0
[ 170.346779][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 170.355686][ T37] task:kworker/1:2 state:D stack:0 pid:65 tgid:65 ppid:2 flags:0x00004000
[ 170.366049][ T37] Workqueue: usb_hub_wq hub_event
[ 170.371201][ T37] Call Trace:
[ 170.374667][ T37]
[ 170.377786][ T37] __schedule+0x14ce/0x2100
[ 170.382671][ T37] ? __sched_text_start+0x10/0x10
[ 170.387726][ T37] ? kasan_save_alloc_info+0x40/0x50
[ 170.393333][ T37] ? __kasan_kmalloc+0x96/0xb0
[ 170.398119][ T37] ? kthread_data+0x54/0xc0
[ 170.402828][ T37] ? wq_worker_sleeping+0x69/0x260
[ 170.408045][ T37] ? trace_contention_begin+0xc0/0xc0
[ 170.413615][ T37] ? sysfs_do_create_link_sd+0x8a/0x120
[ 170.419379][ T37] schedule+0xc5/0x240
[ 170.423470][ T37] schedule_preempt_disabled+0x14/0x30
[ 170.429108][ T37] __mutex_lock+0x960/0x1bc0
[ 170.433812][ T37] ? __ww_mutex_lock_interruptible_slowpath+0x30/0x30
[ 170.440766][ T37] ? selinux_kernfs_init_security+0x14b/0x4b0
[ 170.446954][ T37] ? __cfi_selinux_kernfs_init_security+0x10/0x10
[ 170.453561][ T37] ? snd_usb_apply_boot_quirk+0xea6/0x2d10
[ 170.459565][ T37] ? bpf_lsm_kernfs_init_security+0xd/0x20
[ 170.465401][ T37] ? security_kernfs_init_security+0x39/0xf0
[ 170.471662][ T37] __mutex_lock_slowpath+0xe/0x20
[ 170.476974][ T37] mutex_lock+0x113/0x1d0
[ 170.481483][ T37] ? __cfi_mutex_lock+0x10/0x10
[ 170.486535][ T37] ? _raw_spin_lock_irqsave+0xc1/0x160
[ 170.492182][ T37] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 170.498275][ T37] usb_audio_probe+0x39d/0x1d60
[ 170.503417][ T37] ? pm_runtime_enable+0x1eb/0x2d0
[ 170.508766][ T37] ? __cfi_usb_audio_probe+0x10/0x10
[ 170.514079][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 170.520164][ T37] ? pm_runtime_enable+0x1eb/0x2d0
[ 170.525297][ T37] usb_probe_interface+0x6ac/0xc00
[ 170.530694][ T37] ? __cfi_usb_probe_interface+0x10/0x10
[ 170.536349][ T37] really_probe+0x2d8/0x890
[ 170.541102][ T37] __driver_probe_device+0x198/0x280
[ 170.546474][ T37] driver_probe_device+0x54/0x3f0
[ 170.551758][ T37] ? __device_attach_driver+0x2db/0x4b0
[ 170.557333][ T37] __device_attach_driver+0x2f1/0x4b0
[ 170.563096][ T37] bus_for_each_drv+0x264/0x300
[ 170.568324][ T37] ? __cfi___device_attach_driver+0x10/0x10
[ 170.574558][ T37] ? __cfi_bus_for_each_drv+0x10/0x10
[ 170.580061][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 170.585979][ T37] __device_attach+0x2c9/0x3c0
[ 170.590923][ T37] ? device_attach+0x40/0x40
[ 170.595533][ T37] ? _raw_spin_lock+0x92/0x120
[ 170.600548][ T37] ? __cfi__raw_spin_lock+0x10/0x10
[ 170.605767][ T37] device_initial_probe+0x1e/0x30
[ 170.611060][ T37] bus_probe_device+0x18b/0x270
[ 170.615933][ T37] device_add+0x80c/0xbf0
[ 170.620433][ T37] usb_set_configuration+0x1acf/0x20b0
[ 170.626008][ T37] usb_generic_driver_probe+0x95/0x160
[ 170.631780][ T37] usb_probe_device+0x1d1/0x380
[ 170.636825][ T37] ? __cfi_usb_probe_device+0x10/0x10
[ 170.642461][ T37] really_probe+0x2d8/0x890
[ 170.647212][ T37] __driver_probe_device+0x198/0x280
[ 170.652630][ T37] driver_probe_device+0x54/0x3f0
[ 170.657778][ T37] ? __device_attach_driver+0x2db/0x4b0
[ 170.663630][ T37] __device_attach_driver+0x2f1/0x4b0
[ 170.669292][ T37] bus_for_each_drv+0x264/0x300
[ 170.674169][ T37] ? __cfi___device_attach_driver+0x10/0x10
[ 170.680363][ T37] ? __cfi_bus_for_each_drv+0x10/0x10
[ 170.685756][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 170.691831][ T37] __device_attach+0x2c9/0x3c0
[ 170.696627][ T37] ? device_attach+0x40/0x40
[ 170.701421][ T37] ? _raw_spin_lock+0x92/0x120
[ 170.706293][ T37] ? __cfi__raw_spin_lock+0x10/0x10
[ 170.711671][ T37] device_initial_probe+0x1e/0x30
[ 170.716806][ T37] bus_probe_device+0x18b/0x270
[ 170.721839][ T37] device_add+0x80c/0xbf0
[ 170.726194][ T37] usb_new_device+0x9f8/0x15b0
[ 170.731397][ T37] ? __cfi_usb_new_device+0x10/0x10
[ 170.736614][ T37] hub_event+0x30c6/0x4700
[ 170.741370][ T37] ? __cfi_hub_event+0x10/0x10
[ 170.746250][ T37] ? pwq_dec_nr_in_flight+0x6c7/0xc60
[ 170.751813][ T37] ? _raw_spin_lock_irq+0x93/0x120
[ 170.757028][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 170.762737][ T37] process_scheduled_works+0x7d4/0x1020
[ 170.768530][ T37] worker_thread+0xc51/0x1370
[ 170.773233][ T37] ? __kasan_check_read+0x15/0x20
[ 170.778357][ T37] ? schedule+0xc5/0x240
[ 170.782900][ T37] kthread+0x2c9/0x370
[ 170.786992][ T37] ? __cfi_worker_thread+0x10/0x10
[ 170.792305][ T37] ? __cfi_kthread+0x10/0x10
[ 170.797002][ T37] ret_from_fork+0x67/0xa0
[ 170.801597][ T37] ? __cfi_kthread+0x10/0x10
[ 170.806206][ T37] ret_from_fork_asm+0x1a/0x30
[ 170.811202][ T37]
[ 170.814258][ T37] INFO: task kworker/0:3:404 blocked for more than 123 seconds.
[ 170.822154][ T37] Not tainted syzkaller #0
[ 170.827123][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 170.836039][ T37] task:kworker/0:3 state:D stack:0 pid:404 tgid:404 ppid:2 flags:0x00004000
[ 170.846398][ T37] Workqueue: usb_hub_wq hub_event
[ 170.851567][ T37] Call Trace:
[ 170.854863][ T37]
[ 170.857898][ T37] __schedule+0x14ce/0x2100
[ 170.862661][ T37] ? __sched_text_start+0x10/0x10
[ 170.867717][ T37] ? kthread_data+0x54/0xc0
[ 170.872463][ T37] ? wq_worker_sleeping+0x69/0x260
[ 170.877596][ T37] ? trace_contention_begin+0xc0/0xc0
[ 170.883246][ T37] ? sysfs_do_create_link_sd+0x8a/0x120
[ 170.888916][ T37] schedule+0xc5/0x240
[ 170.893003][ T37] schedule_preempt_disabled+0x14/0x30
[ 170.898891][ T37] __mutex_lock+0x960/0x1bc0
[ 170.903509][ T37] ? __ww_mutex_lock_interruptible_slowpath+0x30/0x30
[ 170.910627][ T37] ? selinux_kernfs_init_security+0x14b/0x4b0
[ 170.916774][ T37] ? __cfi_selinux_kernfs_init_security+0x10/0x10
[ 170.923461][ T37] ? snd_usb_apply_boot_quirk+0xea6/0x2d10
[ 170.929399][ T37] ? bpf_lsm_kernfs_init_security+0xd/0x20
[ 170.935401][ T37] ? security_kernfs_init_security+0x39/0xf0
[ 170.941584][ T37] __mutex_lock_slowpath+0xe/0x20
[ 170.946811][ T37] mutex_lock+0x113/0x1d0
[ 170.951421][ T37] ? __cfi_mutex_lock+0x10/0x10
[ 170.956382][ T37] ? _raw_spin_lock_irqsave+0xc1/0x160
[ 170.962101][ T37] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 170.968015][ T37] usb_audio_probe+0x39d/0x1d60
[ 170.973126][ T37] ? pm_runtime_enable+0x1eb/0x2d0
[ 170.978350][ T37] ? __cfi_usb_audio_probe+0x10/0x10
[ 170.984197][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 170.990163][ T37] ? pm_runtime_enable+0x1eb/0x2d0
[ 170.995472][ T37] usb_probe_interface+0x6ac/0xc00
[ 171.000837][ T37] ? __cfi_usb_probe_interface+0x10/0x10
[ 171.006579][ T37] really_probe+0x2d8/0x890
[ 171.011272][ T37] __driver_probe_device+0x198/0x280
[ 171.016669][ T37] driver_probe_device+0x54/0x3f0
[ 171.022051][ T37] ? __device_attach_driver+0x2db/0x4b0
[ 171.027872][ T37] __device_attach_driver+0x2f1/0x4b0
[ 171.033425][ T37] bus_for_each_drv+0x264/0x300
[ 171.038462][ T37] ? __cfi___device_attach_driver+0x10/0x10
[ 171.044564][ T37] ? __cfi_bus_for_each_drv+0x10/0x10
[ 171.050212][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 171.056044][ T37] __device_attach+0x2c9/0x3c0
[ 171.061086][ T37] ? device_attach+0x40/0x40
[ 171.065722][ T37] ? _raw_spin_lock+0x92/0x120
[ 171.070770][ T37] ? __cfi__raw_spin_lock+0x10/0x10
[ 171.076083][ T37] device_initial_probe+0x1e/0x30
[ 171.081291][ T37] bus_probe_device+0x18b/0x270
[ 171.086249][ T37] device_add+0x80c/0xbf0
[ 171.090765][ T37] usb_set_configuration+0x1acf/0x20b0
[ 171.096247][ T37] usb_generic_driver_probe+0x95/0x160
[ 171.101964][ T37] usb_probe_device+0x1d1/0x380
[ 171.106924][ T37] ? __cfi_usb_probe_device+0x10/0x10
[ 171.112532][ T37] really_probe+0x2d8/0x890
[ 171.117141][ T37] __driver_probe_device+0x198/0x280
[ 171.122639][ T37] driver_probe_device+0x54/0x3f0
[ 171.138631][ T37] ? __device_attach_driver+0x2db/0x4b0
[ 171.149307][ T37] __device_attach_driver+0x2f1/0x4b0
[ 171.154796][ T37] bus_for_each_drv+0x264/0x300
[ 171.159993][ T37] ? __cfi___device_attach_driver+0x10/0x10
[ 171.165953][ T37] ? __cfi_bus_for_each_drv+0x10/0x10
[ 171.171552][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 171.177423][ T37] __device_attach+0x2c9/0x3c0
[ 171.183509][ T37] ? device_attach+0x40/0x40
[ 171.188177][ T37] ? _raw_spin_lock+0x92/0x120
[ 171.193160][ T37] ? __cfi__raw_spin_lock+0x10/0x10
[ 171.198609][ T37] device_initial_probe+0x1e/0x30
[ 171.203699][ T37] bus_probe_device+0x18b/0x270
[ 171.208794][ T37] device_add+0x80c/0xbf0
[ 171.213148][ T37] usb_new_device+0x9f8/0x15b0
[ 171.217961][ T37] ? __cfi_usb_new_device+0x10/0x10
[ 171.223432][ T37] hub_event+0x30c6/0x4700
[ 171.227877][ T37] ? __cfi_hub_event+0x10/0x10
[ 171.232874][ T37] ? pwq_dec_nr_in_flight+0x6c7/0xc60
[ 171.238316][ T37] ? _raw_spin_lock_irq+0x93/0x120
[ 171.244209][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 171.250054][ T37] process_scheduled_works+0x7d4/0x1020
[ 171.255661][ T37] worker_thread+0xc51/0x1370
[ 171.260584][ T37] ? __kasan_check_read+0x15/0x20
[ 171.265628][ T37] ? schedule+0xc5/0x240
[ 171.270078][ T37] kthread+0x2c9/0x370
[ 171.274224][ T37] ? __cfi_worker_thread+0x10/0x10
[ 171.279523][ T37] ? __cfi_kthread+0x10/0x10
[ 171.284177][ T37] ret_from_fork+0x67/0xa0
[ 171.288803][ T37] ? __cfi_kthread+0x10/0x10
[ 171.293415][ T37] ret_from_fork_asm+0x1a/0x30
[ 171.298236][ T37]
[ 171.302572][ T37] NMI backtrace for cpu 0
[ 171.302584][ T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 d58365df94cd5f4886b4f3ec3f08a458f2157066
[ 171.302611][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 171.302622][ T37] Call Trace:
[ 171.302629][ T37]
[ 171.302635][ T37] __dump_stack+0x21/0x30
[ 171.302666][ T37] dump_stack_lvl+0x140/0x1c0
[ 171.302701][ T37] ? __cfi_dump_stack_lvl+0x10/0x10
[ 171.302731][ T37] dump_stack+0x19/0x20
[ 171.302757][ T37] nmi_cpu_backtrace+0x2ba/0x2d0
[ 171.302777][ T37] ? rcu_read_unlock_special+0x14d/0x440
[ 171.302806][ T37] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 171.302824][ T37] ? sched_show_task+0x371/0x530
[ 171.302851][ T37] ? __rcu_read_unlock+0xc0/0xc0
[ 171.302878][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 171.302905][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 171.302932][ T37] nmi_trigger_cpumask_backtrace+0x142/0x2c0
[ 171.302952][ T37] arch_trigger_cpumask_backtrace+0x14/0x20
[ 171.302979][ T37] watchdog+0xdad/0xf00
[ 171.303000][ T37] ? __kasan_check_write+0x18/0x20
[ 171.303022][ T37] ? __cfi_watchdog+0x10/0x10
[ 171.303043][ T37] ? __kasan_check_read+0x15/0x20
[ 171.303061][ T37] ? __kthread_parkme+0x137/0x180
[ 171.303082][ T37] ? schedule+0xc5/0x240
[ 171.303103][ T37] kthread+0x2c9/0x370
[ 171.303125][ T37] ? __cfi_watchdog+0x10/0x10
[ 171.303145][ T37] ? __cfi_kthread+0x10/0x10
[ 171.303168][ T37] ret_from_fork+0x67/0xa0
[ 171.303184][ T37] ? __cfi_kthread+0x10/0x10
[ 171.303207][ T37] ret_from_fork_asm+0x1a/0x30
[ 171.303228][ T37]
[ 171.303236][ T37] Sending NMI from CPU 0 to CPUs 1:
[ 171.468332][ C1] NMI backtrace for cpu 1
[ 171.468346][ C1] CPU: 1 UID: 0 PID: 45 Comm: kworker/1:1 Not tainted syzkaller #0 d58365df94cd5f4886b4f3ec3f08a458f2157066
[ 171.468369][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 171.468379][ C1] Workqueue: usb_hub_wq hub_event
[ 171.468404][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x86/0x90
[ 171.468426][ C1] Code: 8d 52 28 4d 39 ca 77 22 89 ff 89 f6 49 ff c0 4c 89 01 48 c7 44 11 08 01 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 <5d> c3 cc cc cc cc cc 0f 1f 00 b8 95 6e a9 bc 90 90 90 90 90 90 90
[ 171.468440][ C1] RSP: 0018:ffffc900002eec30 EFLAGS: 00000293
[ 171.468453][ C1] RAX: ffffffff846c1d76 RBX: 00000000000006f5 RCX: 0000000000000000
[ 171.468465][ C1] RDX: ffff888107a7a600 RSI: 0000000000000000 RDI: 0000000000000020
[ 171.468481][ C1] RBP: ffffc900002eec30 R08: ffff888107a7a600 R09: 0000000000000020
[ 171.468494][ C1] R10: 00000000000000bc R11: 0000000000000000 R12: 0000000000000006
[ 171.468505][ C1] R13: ffff88811969410d R14: 00000000000006f5 R15: 0000000000000000
[ 171.468516][ C1] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 171.468530][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 171.468542][ C1] CR2: 00007f880db85fc0 CR3: 000000011451a000 CR4: 00000000003526b0
[ 171.468558][ C1] Call Trace:
[ 171.468564][ C1]
[ 171.468571][ C1] __snd_usb_parse_audio_interface+0x24e6/0x47d0
[ 171.468593][ C1] ? snd_usb_parse_audio_interface+0xd0/0xd0
[ 171.468611][ C1] snd_usb_parse_audio_interface+0x3e/0xd0
[ 171.468627][ C1] snd_usb_create_stream+0x3df/0x540
[ 171.468648][ C1] usb_audio_probe+0x1319/0x1d60
[ 171.468668][ C1] ? __cfi_usb_audio_probe+0x10/0x10
[ 171.468687][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 171.468704][ C1] ? pm_runtime_enable+0x1eb/0x2d0
[ 171.468722][ C1] usb_probe_interface+0x6ac/0xc00
[ 171.468742][ C1] ? __cfi_usb_probe_interface+0x10/0x10
[ 171.468760][ C1] really_probe+0x2d8/0x890
[ 171.468780][ C1] __driver_probe_device+0x198/0x280
[ 171.468799][ C1] driver_probe_device+0x54/0x3f0
[ 171.468819][ C1] ? __device_attach_driver+0x2db/0x4b0
[ 171.468838][ C1] __device_attach_driver+0x2f1/0x4b0
[ 171.468858][ C1] bus_for_each_drv+0x264/0x300
[ 171.468872][ C1] ? __cfi___device_attach_driver+0x10/0x10
[ 171.468892][ C1] ? __cfi_bus_for_each_drv+0x10/0x10
[ 171.468907][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 171.468923][ C1] __device_attach+0x2c9/0x3c0
[ 171.468942][ C1] ? device_attach+0x40/0x40
[ 171.468959][ C1] ? _raw_spin_lock+0x92/0x120
[ 171.468982][ C1] ? __cfi__raw_spin_lock+0x10/0x10
[ 171.468997][ C1] device_initial_probe+0x1e/0x30
[ 171.469015][ C1] bus_probe_device+0x18b/0x270
[ 171.469030][ C1] device_add+0x80c/0xbf0
[ 171.469049][ C1] usb_set_configuration+0x1acf/0x20b0
[ 171.469069][ C1] usb_generic_driver_probe+0x95/0x160
[ 171.469084][ C1] usb_probe_device+0x1d1/0x380
[ 171.469102][ C1] ? __cfi_usb_probe_device+0x10/0x10
[ 171.469120][ C1] really_probe+0x2d8/0x890
[ 171.469139][ C1] __driver_probe_device+0x198/0x280
[ 171.469158][ C1] driver_probe_device+0x54/0x3f0
[ 171.469177][ C1] ? __device_attach_driver+0x2db/0x4b0
[ 171.469196][ C1] __device_attach_driver+0x2f1/0x4b0
[ 171.469216][ C1] bus_for_each_drv+0x264/0x300
[ 171.469231][ C1] ? __cfi___device_attach_driver+0x10/0x10
[ 171.469250][ C1] ? __cfi_bus_for_each_drv+0x10/0x10
[ 171.469266][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 171.469282][ C1] __device_attach+0x2c9/0x3c0
[ 171.469301][ C1] ? device_attach+0x40/0x40
[ 171.469317][ C1] ? _raw_spin_lock+0x92/0x120
[ 171.469332][ C1] ? __cfi__raw_spin_lock+0x10/0x10
[ 171.469347][ C1] device_initial_probe+0x1e/0x30
[ 171.469365][ C1] bus_probe_device+0x18b/0x270
[ 171.469380][ C1] device_add+0x80c/0xbf0
[ 171.469398][ C1] usb_new_device+0x9f8/0x15b0
[ 171.469414][ C1] ? __cfi_usb_new_device+0x10/0x10
[ 171.469430][ C1] hub_event+0x30c6/0x4700
[ 171.469452][ C1] ? __cfi_hub_event+0x10/0x10
[ 171.469469][ C1] ? pwq_dec_nr_in_flight+0x6c7/0xc60
[ 171.469486][ C1] ? _raw_spin_lock_irq+0x93/0x120
[ 171.469501][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 171.469517][ C1] process_scheduled_works+0x7d4/0x1020
[ 171.469535][ C1] worker_thread+0xc51/0x1370
[ 171.469553][ C1] ? __kasan_check_read+0x15/0x20
[ 171.469569][ C1] ? schedule+0xc5/0x240
[ 171.469586][ C1] kthread+0x2c9/0x370
[ 171.469603][ C1] ? __cfi_worker_thread+0x10/0x10
[ 171.469619][ C1] ? __cfi_kthread+0x10/0x10
[ 171.469636][ C1] ret_from_fork+0x67/0xa0
[ 171.469650][ C1] ? __cfi_kthread+0x10/0x10
[ 171.469668][ C1] ret_from_fork_asm+0x1a/0x30
[ 171.469685][ C1]
2026/05/18 06:02:37 executed programs: 200