Warning: Permanently added '10.128.0.82' (ED25519) to the list of known hosts.
2026/05/18 03:09:02 parsed 1 programs
[ 114.710223][ T36] audit: type=1400 audit(1779073742.930:64): avc: denied { node_bind } for pid=303 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 116.341692][ T36] audit: type=1400 audit(1779073744.570:65): 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
[ 116.345493][ T310] cgroup: Unknown subsys name 'net'
[ 116.364642][ T36] audit: type=1400 audit(1779073744.570:66): 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
[ 116.391783][ T36] audit: type=1400 audit(1779073744.590:67): 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
[ 116.391979][ T310] cgroup: Unknown subsys name 'devices'
[ 116.596641][ T310] cgroup: Unknown subsys name 'hugetlb'
[ 116.602256][ T310] cgroup: Unknown subsys name 'rlimit'
[ 116.786877][ T36] audit: type=1400 audit(1779073745.010:68): 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
[ 116.810097][ T36] audit: type=1400 audit(1779073745.010:69): 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
[ 116.830583][ T36] audit: type=1400 audit(1779073745.010:70): 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
[ 116.851025][ T36] audit: type=1400 audit(1779073745.010:71): 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
[ 116.857034][ T314] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
Setting up swapspace version 1, size = 127995904 bytes
[ 116.871446][ T36] audit: type=1400 audit(1779073745.010:72): 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
[ 116.900907][ T36] audit: type=1400 audit(1779073745.010:73): 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
[ 116.931130][ T310] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 117.846208][ T319] 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.
[ 118.404990][ T339] bridge0: port 1(bridge_slave_0) entered blocking state
[ 118.412094][ T339] bridge0: port 1(bridge_slave_0) entered disabled state
[ 118.426245][ T339] bridge_slave_0: entered allmulticast mode
[ 118.432832][ T339] bridge_slave_0: entered promiscuous mode
[ 118.464437][ T339] bridge0: port 2(bridge_slave_1) entered blocking state
[ 118.471607][ T339] bridge0: port 2(bridge_slave_1) entered disabled state
[ 118.484141][ T339] bridge_slave_1: entered allmulticast mode
[ 118.490553][ T339] bridge_slave_1: entered promiscuous mode
[ 118.778050][ T339] bridge0: port 2(bridge_slave_1) entered blocking state
[ 118.785161][ T339] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 118.792483][ T339] bridge0: port 1(bridge_slave_0) entered blocking state
[ 118.799580][ T339] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 118.844021][ T12] bridge0: port 1(bridge_slave_0) entered disabled state
[ 118.853175][ T12] bridge0: port 2(bridge_slave_1) entered disabled state
[ 118.871898][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 118.879087][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 118.887480][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 118.894572][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 118.928949][ T339] veth0_vlan: entered promiscuous mode
[ 118.941893][ T339] veth1_macvtap: entered promiscuous mode
2026/05/18 03:09:07 executed programs: 0
[ 119.195360][ T385] bridge0: port 1(bridge_slave_0) entered blocking state
[ 119.202440][ T385] bridge0: port 1(bridge_slave_0) entered disabled state
[ 119.209563][ T385] bridge_slave_0: entered allmulticast mode
[ 119.216250][ T385] bridge_slave_0: entered promiscuous mode
[ 119.239782][ T380] bridge0: port 1(bridge_slave_0) entered blocking state
[ 119.246920][ T380] bridge0: port 1(bridge_slave_0) entered disabled state
[ 119.254033][ T380] bridge_slave_0: entered allmulticast mode
[ 119.260351][ T380] bridge_slave_0: entered promiscuous mode
[ 119.266694][ T385] bridge0: port 2(bridge_slave_1) entered blocking state
[ 119.273750][ T385] bridge0: port 2(bridge_slave_1) entered disabled state
[ 119.280935][ T385] bridge_slave_1: entered allmulticast mode
[ 119.287414][ T385] bridge_slave_1: entered promiscuous mode
[ 119.300291][ T384] bridge0: port 1(bridge_slave_0) entered blocking state
[ 119.307397][ T384] bridge0: port 1(bridge_slave_0) entered disabled state
[ 119.314573][ T384] bridge_slave_0: entered allmulticast mode
[ 119.320836][ T384] bridge_slave_0: entered promiscuous mode
[ 119.327151][ T382] bridge0: port 1(bridge_slave_0) entered blocking state
[ 119.334296][ T382] bridge0: port 1(bridge_slave_0) entered disabled state
[ 119.341452][ T382] bridge_slave_0: entered allmulticast mode
[ 119.347744][ T382] bridge_slave_0: entered promiscuous mode
[ 119.354009][ T380] bridge0: port 2(bridge_slave_1) entered blocking state
[ 119.361312][ T380] bridge0: port 2(bridge_slave_1) entered disabled state
[ 119.368450][ T380] bridge_slave_1: entered allmulticast mode
[ 119.374711][ T380] bridge_slave_1: entered promiscuous mode
[ 119.386455][ T384] bridge0: port 2(bridge_slave_1) entered blocking state
[ 119.393513][ T384] bridge0: port 2(bridge_slave_1) entered disabled state
[ 119.400756][ T384] bridge_slave_1: entered allmulticast mode
[ 119.407082][ T384] bridge_slave_1: entered promiscuous mode
[ 119.413138][ T382] bridge0: port 2(bridge_slave_1) entered blocking state
[ 119.420256][ T382] bridge0: port 2(bridge_slave_1) entered disabled state
[ 119.427459][ T382] bridge_slave_1: entered allmulticast mode
[ 119.433705][ T382] bridge_slave_1: entered promiscuous mode
[ 119.485647][ T356] bridge_slave_1: left allmulticast mode
[ 119.491349][ T356] bridge_slave_1: left promiscuous mode
[ 119.497279][ T356] bridge0: port 2(bridge_slave_1) entered disabled state
[ 119.504857][ T356] bridge_slave_0: left allmulticast mode
[ 119.510497][ T356] bridge_slave_0: left promiscuous mode
[ 119.516288][ T356] bridge0: port 1(bridge_slave_0) entered disabled state
[ 119.658559][ T356] veth1_macvtap: left promiscuous mode
[ 119.664297][ T356] veth0_vlan: left promiscuous mode
[ 119.769758][ T382] bridge0: port 2(bridge_slave_1) entered blocking state
[ 119.776866][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 119.784192][ T382] bridge0: port 1(bridge_slave_0) entered blocking state
[ 119.791245][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 119.807603][ T380] bridge0: port 2(bridge_slave_1) entered blocking state
[ 119.814686][ T380] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 119.821964][ T380] bridge0: port 1(bridge_slave_0) entered blocking state
[ 119.829027][ T380] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 119.862949][ T13] bridge0: port 1(bridge_slave_0) entered disabled state
[ 119.870275][ T13] bridge0: port 1(bridge_slave_0) entered disabled state
[ 119.878912][ T13] bridge0: port 2(bridge_slave_1) entered disabled state
[ 119.886103][ T13] bridge0: port 2(bridge_slave_1) entered disabled state
[ 119.910047][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 119.917168][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 119.925914][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 119.932965][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 119.940462][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 119.947534][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 119.958936][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 119.966027][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 119.984360][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 119.991427][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 120.004056][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 120.011147][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 120.041099][ T385] veth0_vlan: entered promiscuous mode
[ 120.062345][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 120.069421][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 120.077773][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 120.084859][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 120.107160][ T385] veth1_macvtap: entered promiscuous mode
[ 120.121145][ T380] veth0_vlan: entered promiscuous mode
[ 120.138729][ T382] veth0_vlan: entered promiscuous mode
[ 120.158686][ T384] veth0_vlan: entered promiscuous mode
[ 120.173743][ T382] veth1_macvtap: entered promiscuous mode
[ 120.185191][ T380] veth1_macvtap: entered promiscuous mode
[ 120.195835][ T36] kauditd_printk_skb: 31 callbacks suppressed
[ 120.195851][ T36] audit: type=1400 audit(1779073748.420:105): avc: denied { read write } for pid=398 comm="syz.2.19" 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
[ 120.226811][ T36] audit: type=1400 audit(1779073748.420:106): avc: denied { open } for pid=398 comm="syz.2.19" path="/dev/raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 120.250603][ T36] audit: type=1400 audit(1779073748.420:107): avc: denied { ioctl } for pid=398 comm="syz.2.19" path="/dev/raw-gadget" dev="devtmpfs" ino=190 ioctlcmd=0x5500 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 120.287013][ T384] veth1_macvtap: entered promiscuous mode
[ 120.434323][ T375] usb 3-1: new high-speed USB device number 2 using dummy_hcd
[ 120.544343][ T399] usb 6-1: new high-speed USB device number 2 using dummy_hcd
[ 120.554299][ T10] usb 2-1: new high-speed USB device number 2 using dummy_hcd
[ 120.574183][ T403] usb 5-1: new high-speed USB device number 2 using dummy_hcd
[ 120.584159][ T375] usb 3-1: Using ep0 maxpacket: 16
[ 120.590726][ T375] usb 3-1: unable to get BOS descriptor or descriptor too short
[ 120.599136][ T375] usb 3-1: config 1 interface 2 altsetting 1 endpoint 0x82 has an invalid bInterval 127, changing to 7
[ 120.611811][ T375] usb 3-1: New USB device found, idVendor=103d, idProduct=0100, bcdDevice= 0.40
[ 120.621042][ T375] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 120.629607][ T375] usb 3-1: Product: syz
[ 120.633793][ T375] usb 3-1: Manufacturer: syz
[ 120.638472][ T375] usb 3-1: SerialNumber: syz
[ 120.704344][ T10] usb 2-1: Using ep0 maxpacket: 16
[ 120.711158][ T10] usb 2-1: unable to get BOS descriptor or descriptor too short
[ 120.719667][ T10] usb 2-1: config 1 interface 2 altsetting 1 endpoint 0x82 has an invalid bInterval 127, changing to 7
[ 120.724195][ T399] usb 6-1: Using ep0 maxpacket: 16
[ 120.734881][ T10] usb 2-1: New USB device found, idVendor=103d, idProduct=0100, bcdDevice= 0.40
[ 120.736785][ T403] usb 5-1: Using ep0 maxpacket: 16
[ 120.746010][ T10] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 120.753156][ T403] usb 5-1: unable to get BOS descriptor or descriptor too short
[ 120.760104][ T10] usb 2-1: Product: syz
[ 120.766894][ T399] usb 6-1: unable to get BOS descriptor or descriptor too short
[ 120.771345][ T10] usb 2-1: Manufacturer: syz
[ 120.779632][ T399] usb 6-1: config 1 interface 2 altsetting 1 endpoint 0x82 has an invalid bInterval 127, changing to 7
[ 120.783270][ T10] usb 2-1: SerialNumber: syz
[ 120.794782][ T403] usb 5-1: config 1 interface 2 altsetting 1 endpoint 0x82 has an invalid bInterval 127, changing to 7
[ 120.810814][ T403] usb 5-1: New USB device found, idVendor=103d, idProduct=0100, bcdDevice= 0.40
[ 120.820009][ T399] usb 6-1: New USB device found, idVendor=103d, idProduct=0100, bcdDevice= 0.40
[ 120.829208][ T403] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 120.837376][ T399] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 120.845444][ T403] usb 5-1: Product: syz
[ 120.849757][ T403] usb 5-1: Manufacturer: syz
[ 120.855407][ T375] usb 3-1: Audio class v2/v3 interfaces need an interface association
[ 120.863694][ T375] snd-usb-audio 3-1:1.0: probe with driver snd-usb-audio failed with error -22
[ 120.872985][ T399] usb 6-1: Product: syz
[ 120.877524][ T403] usb 5-1: SerialNumber: syz
[ 120.882569][ T399] usb 6-1: Manufacturer: syz
[ 120.887576][ T399] usb 6-1: SerialNumber: syz
2026/05/18 03:09:13 executed programs: 16
2026/05/18 03:09:19 executed programs: 24
2026/05/18 03:09:25 executed programs: 32
2026/05/18 03:09:31 executed programs: 40
2026/05/18 03:09:37 executed programs: 48
2026/05/18 03:09:43 executed programs: 56
2026/05/18 03:09:49 executed programs: 64
2026/05/18 03:09:55 executed programs: 72
2026/05/18 03:10:01 executed programs: 80
2026/05/18 03:10:07 executed programs: 88
2026/05/18 03:10:13 executed programs: 96
2026/05/18 03:10:19 executed programs: 104
2026/05/18 03:10:25 executed programs: 112
2026/05/18 03:10:31 executed programs: 120
2026/05/18 03:10:37 executed programs: 128
2026/05/18 03:10:43 executed programs: 136
2026/05/18 03:10:49 executed programs: 144
2026/05/18 03:10:55 executed programs: 152
2026/05/18 03:11:01 executed programs: 160
2026/05/18 03:11:07 executed programs: 168
2026/05/18 03:11:13 executed programs: 176
2026/05/18 03:11:20 executed programs: 184
2026/05/18 03:11:26 executed programs: 192
[ 259.424145][ T37] INFO: task kworker/0:1:10 blocked for more than 122 seconds.
[ 259.432057][ T37] Not tainted syzkaller #0
[ 259.437205][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 259.446113][ T37] task:kworker/0:1 state:D stack:0 pid:10 tgid:10 ppid:2 flags:0x00004000
[ 259.456514][ T37] Workqueue: usb_hub_wq hub_event
[ 259.461609][ T37] Call Trace:
[ 259.465060][ T37]
[ 259.468127][ T37] __schedule+0x14ce/0x2100
[ 259.472675][ T37] ? __sched_text_start+0x10/0x10
[ 259.477904][ T37] ? kasan_save_alloc_info+0x40/0x50
[ 259.483336][ T37] ? __kasan_kmalloc+0x96/0xb0
[ 259.488267][ T37] ? __kasan_check_write+0x18/0x20
[ 259.493517][ T37] ? kthread_data+0x54/0xc0
[ 259.498186][ T37] ? wq_worker_sleeping+0x69/0x260
[ 259.503339][ T37] ? trace_contention_begin+0xc0/0xc0
[ 259.509065][ T37] ? sysfs_do_create_link_sd+0x8a/0x120
[ 259.514770][ T37] schedule+0xc5/0x240
[ 259.518878][ T37] schedule_preempt_disabled+0x14/0x30
[ 259.524600][ T37] __mutex_lock+0x960/0x1bc0
[ 259.529232][ T37] ? __ww_mutex_lock_interruptible_slowpath+0x30/0x30
[ 259.536269][ T37] ? selinux_kernfs_init_security+0x14b/0x4b0
[ 259.542386][ T37] ? __cfi_selinux_kernfs_init_security+0x10/0x10
[ 259.549046][ T37] ? snd_usb_apply_boot_quirk+0xea6/0x2d10
[ 259.555131][ T37] ? bpf_lsm_kernfs_init_security+0xd/0x20
[ 259.561094][ T37] ? security_kernfs_init_security+0x39/0xf0
[ 259.567292][ T37] __mutex_lock_slowpath+0xe/0x20
[ 259.572469][ T37] mutex_lock+0x113/0x1d0
[ 259.576964][ T37] ? __cfi_mutex_lock+0x10/0x10
[ 259.581873][ T37] ? _raw_spin_lock_irqsave+0xc1/0x160
[ 259.587609][ T37] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 259.593541][ T37] usb_audio_probe+0x39d/0x1d60
[ 259.598748][ T37] ? pm_runtime_enable+0x1eb/0x2d0
[ 259.603923][ T37] ? __cfi_usb_audio_probe+0x10/0x10
[ 259.609576][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 259.615537][ T37] ? pm_runtime_enable+0x1eb/0x2d0
[ 259.620850][ T37] usb_probe_interface+0x6ac/0xc00
[ 259.626299][ T37] ? __cfi_usb_probe_interface+0x10/0x10
[ 259.632201][ T37] really_probe+0x2d8/0x890
[ 259.636917][ T37] __driver_probe_device+0x198/0x280
[ 259.642422][ T37] driver_probe_device+0x54/0x3f0
[ 259.647729][ T37] ? __device_attach_driver+0x2db/0x4b0
[ 259.653464][ T37] __device_attach_driver+0x2f1/0x4b0
[ 259.659108][ T37] bus_for_each_drv+0x264/0x300
[ 259.664253][ T37] ? __cfi___device_attach_driver+0x10/0x10
[ 259.670208][ T37] ? __cfi_bus_for_each_drv+0x10/0x10
[ 259.675906][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 259.681767][ T37] __device_attach+0x2c9/0x3c0
[ 259.686881][ T37] ? device_attach+0x40/0x40
[ 259.691519][ T37] ? _raw_spin_lock+0x92/0x120
[ 259.696475][ T37] ? __cfi__raw_spin_lock+0x10/0x10
[ 259.701834][ T37] device_initial_probe+0x1e/0x30
[ 259.707034][ T37] bus_probe_device+0x18b/0x270
[ 259.712021][ T37] device_add+0x80c/0xbf0
[ 259.716517][ T37] usb_set_configuration+0x1acf/0x20b0
[ 259.722125][ T37] usb_generic_driver_probe+0x95/0x160
[ 259.727756][ T37] usb_probe_device+0x1d1/0x380
[ 259.732741][ T37] ? __cfi_usb_probe_device+0x10/0x10
[ 259.738312][ T37] really_probe+0x2d8/0x890
[ 259.742955][ T37] __driver_probe_device+0x198/0x280
[ 259.748411][ T37] driver_probe_device+0x54/0x3f0
[ 259.753573][ T37] ? __device_attach_driver+0x2db/0x4b0
[ 259.759284][ T37] __device_attach_driver+0x2f1/0x4b0
[ 259.764900][ T37] bus_for_each_drv+0x264/0x300
[ 259.769838][ T37] ? __cfi___device_attach_driver+0x10/0x10
[ 259.776126][ T37] ? __cfi_bus_for_each_drv+0x10/0x10
[ 259.781572][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 259.787634][ T37] __device_attach+0x2c9/0x3c0
[ 259.792442][ T37] ? device_attach+0x40/0x40
[ 259.797194][ T37] ? _raw_spin_lock+0x92/0x120
[ 259.802101][ T37] ? __cfi__raw_spin_lock+0x10/0x10
[ 259.807455][ T37] device_initial_probe+0x1e/0x30
[ 259.812621][ T37] bus_probe_device+0x18b/0x270
[ 259.817630][ T37] device_add+0x80c/0xbf0
[ 259.822002][ T37] usb_new_device+0x9f8/0x15b0
[ 259.827075][ T37] ? __cfi_usb_new_device+0x10/0x10
[ 259.832318][ T37] hub_event+0x30c6/0x4700
[ 259.836916][ T37] ? __cfi_hub_event+0x10/0x10
[ 259.841813][ T37] ? pwq_dec_nr_in_flight+0x6c7/0xc60
[ 259.847339][ T37] ? _raw_spin_lock_irq+0x93/0x120
[ 259.852590][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 259.858292][ T37] process_scheduled_works+0x7d4/0x1020
[ 259.863982][ T37] worker_thread+0xc51/0x1370
[ 259.868819][ T37] ? __kasan_check_read+0x15/0x20
[ 259.873877][ T37] ? schedule+0xc5/0x240
[ 259.878372][ T37] kthread+0x2c9/0x370
[ 259.882480][ T37] ? __cfi_worker_thread+0x10/0x10
[ 259.887766][ T37] ? __cfi_kthread+0x10/0x10
[ 259.892500][ T37] ret_from_fork+0x67/0xa0
[ 259.897081][ T37] ? __cfi_kthread+0x10/0x10
[ 259.901713][ T37] ret_from_fork_asm+0x1a/0x30
[ 259.906722][ T37]
[ 259.909808][ T37] INFO: task kworker/1:3:399 blocked for more than 123 seconds.
[ 259.917667][ T37] Not tainted syzkaller #0
[ 259.922632][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 259.931631][ T37] task:kworker/1:3 state:D stack:0 pid:399 tgid:399 ppid:2 flags:0x00004000
[ 259.942032][ T37] Workqueue: usb_hub_wq hub_event
[ 259.947215][ T37] Call Trace:
[ 259.950525][ T37]
[ 259.953581][ T37] __schedule+0x14ce/0x2100
[ 259.958289][ T37] ? __sched_text_start+0x10/0x10
[ 259.963350][ T37] ? kasan_save_alloc_info+0x40/0x50
[ 259.968891][ T37] ? __kasan_kmalloc+0x96/0xb0
[ 259.973693][ T37] ? kthread_data+0x54/0xc0
[ 259.978354][ T37] ? wq_worker_sleeping+0x69/0x260
[ 259.983612][ T37] ? trace_contention_begin+0xc0/0xc0
[ 259.989156][ T37] ? sysfs_do_create_link_sd+0x8a/0x120
[ 259.994923][ T37] schedule+0xc5/0x240
[ 259.999024][ T37] schedule_preempt_disabled+0x14/0x30
[ 260.004635][ T37] __mutex_lock+0x960/0x1bc0
[ 260.009365][ T37] ? __ww_mutex_lock_interruptible_slowpath+0x30/0x30
[ 260.016295][ T37] ? selinux_kernfs_init_security+0x14b/0x4b0
[ 260.022519][ T37] ? __cfi_selinux_kernfs_init_security+0x10/0x10
[ 260.029166][ T37] ? snd_usb_apply_boot_quirk+0xea6/0x2d10
[ 260.035609][ T37] ? bpf_lsm_kernfs_init_security+0xd/0x20
[ 260.041468][ T37] ? security_kernfs_init_security+0x39/0xf0
[ 260.047718][ T37] __mutex_lock_slowpath+0xe/0x20
[ 260.052913][ T37] mutex_lock+0x113/0x1d0
[ 260.057467][ T37] ? __cfi_mutex_lock+0x10/0x10
[ 260.062525][ T37] ? _raw_spin_lock_irqsave+0xc1/0x160
[ 260.070749][ T37] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 260.076905][ T37] usb_audio_probe+0x39d/0x1d60
[ 260.081809][ T37] ? pm_runtime_enable+0x1eb/0x2d0
[ 260.087202][ T37] ? __cfi_usb_audio_probe+0x10/0x10
[ 260.092553][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 260.098621][ T37] ? pm_runtime_enable+0x1eb/0x2d0
[ 260.103763][ T37] usb_probe_interface+0x6ac/0xc00
[ 260.109112][ T37] ? __cfi_usb_probe_interface+0x10/0x10
[ 260.114863][ T37] really_probe+0x2d8/0x890
[ 260.119491][ T37] __driver_probe_device+0x198/0x280
[ 260.124960][ T37] driver_probe_device+0x54/0x3f0
[ 260.130125][ T37] ? __device_attach_driver+0x2db/0x4b0
[ 260.135827][ T37] __device_attach_driver+0x2f1/0x4b0
[ 260.141332][ T37] bus_for_each_drv+0x264/0x300
[ 260.146431][ T37] ? __cfi___device_attach_driver+0x10/0x10
[ 260.152455][ T37] ? __cfi_bus_for_each_drv+0x10/0x10
[ 260.157983][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 260.163920][ T37] __device_attach+0x2c9/0x3c0
[ 260.168855][ T37] ? device_attach+0x40/0x40
[ 260.173477][ T37] ? _raw_spin_lock+0x92/0x120
[ 260.178490][ T37] ? __cfi__raw_spin_lock+0x10/0x10
[ 260.183722][ T37] device_initial_probe+0x1e/0x30
[ 260.188991][ T37] bus_probe_device+0x18b/0x270
[ 260.193893][ T37] device_add+0x80c/0xbf0
[ 260.198374][ T37] usb_set_configuration+0x1acf/0x20b0
[ 260.203974][ T37] usb_generic_driver_probe+0x95/0x160
[ 260.209602][ T37] usb_probe_device+0x1d1/0x380
[ 260.214661][ T37] ? __cfi_usb_probe_device+0x10/0x10
[ 260.220067][ T37] really_probe+0x2d8/0x890
[ 260.224924][ T37] __driver_probe_device+0x198/0x280
[ 260.230251][ T37] driver_probe_device+0x54/0x3f0
[ 260.235520][ T37] ? __device_attach_driver+0x2db/0x4b0
[ 260.241112][ T37] __device_attach_driver+0x2f1/0x4b0
[ 260.246750][ T37] bus_for_each_drv+0x264/0x300
[ 260.251633][ T37] ? __cfi___device_attach_driver+0x10/0x10
[ 260.257755][ T37] ? __cfi_bus_for_each_drv+0x10/0x10
[ 260.263159][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 260.269216][ T37] __device_attach+0x2c9/0x3c0
[ 260.274122][ T37] ? device_attach+0x40/0x40
[ 260.278751][ T37] ? _raw_spin_lock+0x92/0x120
[ 260.283656][ T37] ? __cfi__raw_spin_lock+0x10/0x10
[ 260.289055][ T37] device_initial_probe+0x1e/0x30
[ 260.294292][ T37] bus_probe_device+0x18b/0x270
[ 260.299179][ T37] device_add+0x80c/0xbf0
[ 260.303536][ T37] usb_new_device+0x9f8/0x15b0
[ 260.308609][ T37] ? __cfi_usb_new_device+0x10/0x10
[ 260.313848][ T37] hub_event+0x30c6/0x4700
[ 260.318426][ T37] ? __cfi_hub_event+0x10/0x10
[ 260.323340][ T37] ? pwq_dec_nr_in_flight+0x6c7/0xc60
[ 260.328891][ T37] ? _raw_spin_lock_irq+0x93/0x120
[ 260.334215][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 260.339796][ T37] process_scheduled_works+0x7d4/0x1020
[ 260.345599][ T37] worker_thread+0xc51/0x1370
[ 260.350316][ T37] ? __kasan_check_read+0x15/0x20
[ 260.355588][ T37] ? schedule+0xc5/0x240
[ 260.359868][ T37] kthread+0x2c9/0x370
[ 260.363991][ T37] ? __cfi_worker_thread+0x10/0x10
[ 260.369393][ T37] ? __cfi_kthread+0x10/0x10
[ 260.374120][ T37] ret_from_fork+0x67/0xa0
[ 260.378560][ T37] ? __cfi_kthread+0x10/0x10
[ 260.383283][ T37] ret_from_fork_asm+0x1a/0x30
[ 260.388248][ T37]
[ 260.391302][ T37] INFO: task kworker/1:4:403 blocked for more than 123 seconds.
[ 260.399782][ T37] Not tainted syzkaller #0
[ 260.404838][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 260.413640][ T37] task:kworker/1:4 state:D stack:0 pid:403 tgid:403 ppid:2 flags:0x00004000
[ 260.424394][ T37] Workqueue: usb_hub_wq hub_event
[ 260.429471][ T37] Call Trace:
[ 260.432771][ T37]
[ 260.435999][ T37] __schedule+0x14ce/0x2100
[ 260.440555][ T37] ? __sched_text_start+0x10/0x10
[ 260.445750][ T37] ? kasan_save_alloc_info+0x40/0x50
[ 260.451193][ T37] ? __kasan_kmalloc+0x96/0xb0
[ 260.456117][ T37] ? kthread_data+0x54/0xc0
[ 260.460652][ T37] ? wq_worker_sleeping+0x69/0x260
[ 260.466049][ T37] ? trace_contention_begin+0xc0/0xc0
[ 260.471642][ T37] ? sysfs_do_create_link_sd+0x8a/0x120
[ 260.477424][ T37] schedule+0xc5/0x240
[ 260.481528][ T37] schedule_preempt_disabled+0x14/0x30
[ 260.487145][ T37] __mutex_lock+0x960/0x1bc0
[ 260.491875][ T37] ? __ww_mutex_lock_interruptible_slowpath+0x30/0x30
[ 260.498805][ T37] ? selinux_kernfs_init_security+0x14b/0x4b0
[ 260.505109][ T37] ? __cfi_selinux_kernfs_init_security+0x10/0x10
[ 260.511572][ T37] ? snd_usb_apply_boot_quirk+0xea6/0x2d10
[ 260.517648][ T37] ? bpf_lsm_kernfs_init_security+0xd/0x20
[ 260.523518][ T37] ? security_kernfs_init_security+0x39/0xf0
[ 260.529759][ T37] __mutex_lock_slowpath+0xe/0x20
[ 260.534925][ T37] mutex_lock+0x113/0x1d0
[ 260.539293][ T37] ? __cfi_mutex_lock+0x10/0x10
[ 260.544466][ T37] ? _raw_spin_lock_irqsave+0xc1/0x160
[ 260.549968][ T37] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 260.556242][ T37] usb_audio_probe+0x39d/0x1d60
[ 260.561139][ T37] ? pm_runtime_enable+0x1eb/0x2d0
[ 260.566494][ T37] ? __cfi_usb_audio_probe+0x10/0x10
[ 260.571825][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 260.577859][ T37] ? pm_runtime_enable+0x1eb/0x2d0
[ 260.583008][ T37] usb_probe_interface+0x6ac/0xc00
[ 260.588368][ T37] ? __cfi_usb_probe_interface+0x10/0x10
[ 260.594128][ T37] really_probe+0x2d8/0x890
[ 260.598768][ T37] __driver_probe_device+0x198/0x280
[ 260.604223][ T37] driver_probe_device+0x54/0x3f0
[ 260.609384][ T37] ? __device_attach_driver+0x2db/0x4b0
[ 260.615458][ T37] __device_attach_driver+0x2f1/0x4b0
[ 260.620979][ T37] bus_for_each_drv+0x264/0x300
[ 260.626014][ T37] ? __cfi___device_attach_driver+0x10/0x10
[ 260.632047][ T37] ? __cfi_bus_for_each_drv+0x10/0x10
[ 260.637591][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 260.643528][ T37] __device_attach+0x2c9/0x3c0
[ 260.648452][ T37] ? device_attach+0x40/0x40
[ 260.653075][ T37] ? _raw_spin_lock+0x92/0x120
[ 260.658092][ T37] ? __cfi__raw_spin_lock+0x10/0x10
[ 260.663329][ T37] device_initial_probe+0x1e/0x30
[ 260.668616][ T37] bus_probe_device+0x18b/0x270
[ 260.673505][ T37] device_add+0x80c/0xbf0
[ 260.677994][ T37] usb_set_configuration+0x1acf/0x20b0
[ 260.683592][ T37] usb_generic_driver_probe+0x95/0x160
[ 260.689206][ T37] usb_probe_device+0x1d1/0x380
[ 260.694275][ T37] ? __cfi_usb_probe_device+0x10/0x10
[ 260.699698][ T37] really_probe+0x2d8/0x890
[ 260.704537][ T37] __driver_probe_device+0x198/0x280
[ 260.709957][ T37] driver_probe_device+0x54/0x3f0
[ 260.715275][ T37] ? __device_attach_driver+0x2db/0x4b0
[ 260.720869][ T37] __device_attach_driver+0x2f1/0x4b0
[ 260.726489][ T37] bus_for_each_drv+0x264/0x300
[ 260.731369][ T37] ? __cfi___device_attach_driver+0x10/0x10
[ 260.737526][ T37] ? __cfi_bus_for_each_drv+0x10/0x10
[ 260.742929][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 260.748982][ T37] __device_attach+0x2c9/0x3c0
[ 260.753787][ T37] ? device_attach+0x40/0x40
[ 260.758557][ T37] ? _raw_spin_lock+0x92/0x120
[ 260.763450][ T37] ? __cfi__raw_spin_lock+0x10/0x10
[ 260.769021][ T37] device_initial_probe+0x1e/0x30
[ 260.774293][ T37] bus_probe_device+0x18b/0x270
[ 260.779175][ T37] device_add+0x80c/0xbf0
[ 260.783533][ T37] usb_new_device+0x9f8/0x15b0
[ 260.798675][ T37] ? __cfi_usb_new_device+0x10/0x10
[ 260.809246][ T37] hub_event+0x30c6/0x4700
[ 260.813753][ T37] ? __cfi_hub_event+0x10/0x10
[ 260.818794][ T37] ? pwq_dec_nr_in_flight+0x6c7/0xc60
[ 260.824398][ T37] ? _raw_spin_lock_irq+0x93/0x120
[ 260.829626][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 260.836161][ T37] process_scheduled_works+0x7d4/0x1020
[ 260.841847][ T37] worker_thread+0xc51/0x1370
[ 260.846761][ T37] ? __kasan_check_read+0x15/0x20
[ 260.851813][ T37] ? schedule+0xc5/0x240
[ 260.856349][ T37] kthread+0x2c9/0x370
[ 260.860493][ T37] ? __cfi_worker_thread+0x10/0x10
[ 260.865798][ T37] ? __cfi_kthread+0x10/0x10
[ 260.870506][ T37] ret_from_fork+0x67/0xa0
[ 260.875140][ T37] ? __cfi_kthread+0x10/0x10
[ 260.879770][ T37] ret_from_fork_asm+0x1a/0x30
[ 260.884783][ T37]
[ 260.887892][ T37] NMI backtrace for cpu 0
[ 260.887909][ T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 d58365df94cd5f4886b4f3ec3f08a458f2157066
[ 260.887947][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 260.887961][ T37] Call Trace:
[ 260.887974][ T37]
[ 260.887982][ T37] __dump_stack+0x21/0x30
[ 260.888019][ T37] dump_stack_lvl+0x140/0x1c0
[ 260.888053][ T37] ? __cfi_dump_stack_lvl+0x10/0x10
[ 260.888089][ T37] dump_stack+0x19/0x20
[ 260.888121][ T37] nmi_cpu_backtrace+0x2ba/0x2d0
[ 260.888144][ T37] ? rcu_read_unlock_special+0x14d/0x440
[ 260.888178][ T37] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 260.888200][ T37] ? sched_show_task+0x371/0x530
[ 260.888233][ T37] ? __rcu_read_unlock+0xc0/0xc0
[ 260.888265][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 260.888298][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 260.888331][ T37] nmi_trigger_cpumask_backtrace+0x142/0x2c0
[ 260.888355][ T37] arch_trigger_cpumask_backtrace+0x14/0x20
[ 260.888388][ T37] watchdog+0xdad/0xf00
[ 260.888412][ T37] ? __kasan_check_write+0x18/0x20
[ 260.888439][ T37] ? __cfi_watchdog+0x10/0x10
[ 260.888463][ T37] ? __kasan_check_read+0x15/0x20
[ 260.888486][ T37] ? __kthread_parkme+0x137/0x180
[ 260.888510][ T37] ? schedule+0xc5/0x240
[ 260.888536][ T37] kthread+0x2c9/0x370
[ 260.888562][ T37] ? __cfi_watchdog+0x10/0x10
[ 260.888587][ T37] ? __cfi_kthread+0x10/0x10
[ 260.888614][ T37] ret_from_fork+0x67/0xa0
[ 260.888634][ T37] ? __cfi_kthread+0x10/0x10
[ 260.888661][ T37] ret_from_fork_asm+0x1a/0x30
[ 260.888686][ T37]
[ 260.888694][ T37] Sending NMI from CPU 0 to CPUs 1:
[ 261.052654][ C1] NMI backtrace for cpu 1
[ 261.052686][ C1] CPU: 1 UID: 0 PID: 375 Comm: kworker/1:2 Not tainted syzkaller #0 d58365df94cd5f4886b4f3ec3f08a458f2157066
[ 261.052708][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 261.052718][ C1] Workqueue: usb_hub_wq hub_event
[ 261.052744][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x3a/0x70
[ 261.052765][ C1] Code: 4c 28 7d 7e 65 8b 15 4d 28 7d 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 ec 0b 00 00 00 74 2c 8b 91 c8 0b 00 00 <83> fa 02 75 21 48 8b 91 d0 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 cc
[ 261.052778][ C1] RSP: 0018:ffffc9000837ec30 EFLAGS: 00000246
[ 261.052791][ C1] RAX: ffffffff846c1e24 RBX: 00000000000006f5 RCX: ffff88813440df00
[ 261.052803][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020
[ 261.052813][ C1] RBP: ffffc9000837ec30 R08: ffff88813440df00 R09: 0000000000000020
[ 261.052825][ C1] R10: 00000000000000bc R11: 0000000000000000 R12: 0000000000000006
[ 261.052834][ C1] R13: ffff888119da610d R14: 00000000000006f5 R15: 0000000000000000
[ 261.052845][ C1] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 261.052859][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 261.052870][ C1] CR2: 00007f2852585fc0 CR3: 000000013406e000 CR4: 00000000003526b0
[ 261.052903][ C1] Call Trace:
[ 261.052909][ C1]
[ 261.052916][ C1] __snd_usb_parse_audio_interface+0x2594/0x47d0
[ 261.052941][ C1] ? irqentry_exit+0x4a/0x60
[ 261.052964][ C1] ? snd_usb_parse_audio_interface+0xd0/0xd0
[ 261.052985][ C1] snd_usb_parse_audio_interface+0x3e/0xd0
[ 261.053002][ C1] snd_usb_create_stream+0x3df/0x540
[ 261.053025][ C1] usb_audio_probe+0x1319/0x1d60
[ 261.053048][ C1] ? __cfi_usb_audio_probe+0x10/0x10
[ 261.053068][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 261.053085][ C1] ? pm_runtime_enable+0x1eb/0x2d0
[ 261.053102][ C1] usb_probe_interface+0x6ac/0xc00
[ 261.053124][ C1] ? __cfi_usb_probe_interface+0x10/0x10
[ 261.053143][ C1] really_probe+0x2d8/0x890
[ 261.053165][ C1] __driver_probe_device+0x198/0x280
[ 261.053185][ C1] driver_probe_device+0x54/0x3f0
[ 261.053206][ C1] ? __device_attach_driver+0x2db/0x4b0
[ 261.053227][ C1] __device_attach_driver+0x2f1/0x4b0
[ 261.053249][ C1] bus_for_each_drv+0x264/0x300
[ 261.053264][ C1] ? __cfi___device_attach_driver+0x10/0x10
[ 261.053285][ C1] ? __cfi_bus_for_each_drv+0x10/0x10
[ 261.053301][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 261.053318][ C1] __device_attach+0x2c9/0x3c0
[ 261.053338][ C1] ? device_attach+0x40/0x40
[ 261.053356][ C1] ? _raw_spin_lock+0x92/0x120
[ 261.053371][ C1] ? __cfi__raw_spin_lock+0x10/0x10
[ 261.053387][ C1] device_initial_probe+0x1e/0x30
[ 261.053407][ C1] bus_probe_device+0x18b/0x270
[ 261.053422][ C1] device_add+0x80c/0xbf0
[ 261.053442][ C1] usb_set_configuration+0x1acf/0x20b0
[ 261.053464][ C1] usb_generic_driver_probe+0x95/0x160
[ 261.053486][ C1] usb_probe_device+0x1d1/0x380
[ 261.053504][ C1] ? __cfi_usb_probe_device+0x10/0x10
[ 261.053524][ C1] really_probe+0x2d8/0x890
[ 261.053545][ C1] __driver_probe_device+0x198/0x280
[ 261.053565][ C1] driver_probe_device+0x54/0x3f0
[ 261.053586][ C1] ? __device_attach_driver+0x2db/0x4b0
[ 261.053607][ C1] __device_attach_driver+0x2f1/0x4b0
[ 261.053629][ C1] bus_for_each_drv+0x264/0x300
[ 261.053644][ C1] ? __cfi___device_attach_driver+0x10/0x10
[ 261.053665][ C1] ? __cfi_bus_for_each_drv+0x10/0x10
[ 261.053681][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 261.053698][ C1] __device_attach+0x2c9/0x3c0
[ 261.053718][ C1] ? device_attach+0x40/0x40
[ 261.053736][ C1] ? _raw_spin_lock+0x92/0x120
[ 261.053751][ C1] ? __cfi__raw_spin_lock+0x10/0x10
[ 261.053767][ C1] device_initial_probe+0x1e/0x30
[ 261.053786][ C1] bus_probe_device+0x18b/0x270
[ 261.053802][ C1] device_add+0x80c/0xbf0
[ 261.053821][ C1] usb_new_device+0x9f8/0x15b0
[ 261.053839][ C1] ? __cfi_usb_new_device+0x10/0x10
[ 261.053856][ C1] hub_event+0x30c6/0x4700
[ 261.053880][ C1] ? __cfi_hub_event+0x10/0x10
[ 261.053898][ C1] ? pwq_dec_nr_in_flight+0x6c7/0xc60
[ 261.053915][ C1] ? _raw_spin_lock_irq+0x93/0x120
[ 261.053930][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 261.053948][ C1] process_scheduled_works+0x7d4/0x1020
[ 261.053970][ C1] worker_thread+0xc51/0x1370
[ 261.053989][ C1] ? __kasan_check_read+0x15/0x20
[ 261.054005][ C1] ? schedule+0xc5/0x240
[ 261.054029][ C1] kthread+0x2c9/0x370
[ 261.054048][ C1] ? __cfi_worker_thread+0x10/0x10
[ 261.054065][ C1] ? __cfi_kthread+0x10/0x10
[ 261.054083][ C1] ret_from_fork+0x67/0xa0
[ 261.054098][ C1] ? __cfi_kthread+0x10/0x10
[ 261.054128][ C1] ret_from_fork_asm+0x1a/0x30
[ 261.054146][ C1]
2026/05/18 03:11:32 executed programs: 200