Warning: Permanently added '10.128.0.109' (ED25519) to the list of known hosts. executing program [ 139.187551][ T29] audit: type=1400 audit(1731989089.888:80): avc: denied { execmem } for pid=2961 comm="syz-executor362" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 139.215039][ T29] audit: type=1400 audit(1731989089.888:81): avc: denied { read write } for pid=2962 comm="syz-executor362" name="raw-gadget" dev="devtmpfs" ino=236 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 139.239002][ T29] audit: type=1400 audit(1731989089.888:82): avc: denied { open } for pid=2962 comm="syz-executor362" path="/dev/raw-gadget" dev="devtmpfs" ino=236 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 139.262757][ T29] audit: type=1400 audit(1731989089.888:83): avc: denied { ioctl } for pid=2962 comm="syz-executor362" path="/dev/raw-gadget" dev="devtmpfs" ino=236 ioctlcmd=0x5500 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 139.432858][ T41] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 139.592794][ T41] usb 1-1: Using ep0 maxpacket: 16 [ 139.600496][ T41] usb 1-1: config 0 has an invalid interface number: 29 but max is 0 [ 139.608866][ T41] usb 1-1: config 0 has no interface number 0 [ 139.615045][ T41] usb 1-1: config 0 interface 29 altsetting 0 bulk endpoint 0xA has invalid maxpacket 16 [ 139.624930][ T41] usb 1-1: config 0 interface 29 altsetting 0 endpoint 0x82 has invalid maxpacket 1104, setting to 1024 [ 139.636152][ T41] usb 1-1: config 0 interface 29 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 1024 [ 139.648854][ T41] usb 1-1: New USB device found, idVendor=050d, idProduct=2102, bcdDevice=70.d0 [ 139.658027][ T41] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 139.666128][ T41] usb 1-1: Product: syz [ 139.670321][ T41] usb 1-1: Manufacturer: syz [ 139.674995][ T41] usb 1-1: SerialNumber: syz [ 139.682494][ T41] usb 1-1: config 0 descriptor?? [ 139.688877][ T2962] raw-gadget.0 gadget.0: fail, usb_ep_enable returned -22 [ 139.696465][ T2962] raw-gadget.0 gadget.0: fail, usb_ep_enable returned -22 [ 139.904710][ T41] rtl8192cu: Chip version 0x10 executing program [ 144.210973][ T41] usb 1-1: reg 0x30, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 reqtype=0xc0 [ 144.235104][ T41] usb 1-1: reg 0x30, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 reqtype=0xc0 [ 144.247854][ T41] usb 1-1: reg 0x30, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 reqtype=0xc0 [ 144.260678][ T41] usb 1-1: reg 0x30, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 reqtype=0xc0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 202.374875][ T2860] udevd[2860]: worker [2963] /devices/platform/dummy_hcd.0/usb1/1-1 is taking a long time executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 286.603571][ T30] INFO: task udevd:2963 blocked for more than 143 seconds. [ 286.610980][ T30] Not tainted 6.12.0-rc6-syzkaller-00153-g237d4e0f4113 #0 [ 286.619132][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.627891][ T30] task:udevd state:D stack:27792 pid:2963 tgid:2963 ppid:2860 flags:0x00004002 [ 286.638356][ T30] Call Trace: [ 286.641687][ T30] [ 286.644702][ T30] __schedule+0x1042/0x34b0 [ 286.649321][ T30] ? __pfx___schedule+0x10/0x10 [ 286.654294][ T30] ? schedule+0x298/0x350 [ 286.658713][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.663881][ T30] ? trace_lock_acquire+0x14a/0x1d0 [ 286.669171][ T30] ? lock_acquire+0x2f/0xb0 [ 286.673815][ T30] ? schedule+0x1fd/0x350 [ 286.678318][ T30] schedule+0xe7/0x350 [ 286.682470][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.688080][ T30] __mutex_lock+0x5b8/0x9c0 [ 286.692754][ T30] ? uevent_show+0x188/0x3b0 [ 286.697420][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 286.702677][ T30] ? uevent_show+0x188/0x3b0 [ 286.707333][ T30] uevent_show+0x188/0x3b0 [ 286.711824][ T30] ? __pfx_uevent_show+0x10/0x10 [ 286.717064][ T30] dev_attr_show+0x53/0xe0 [ 286.721576][ T30] ? __pfx_dev_attr_show+0x10/0x10 [ 286.726818][ T30] sysfs_kf_seq_show+0x23e/0x410 [ 286.731841][ T30] seq_read_iter+0x4f4/0x12b0 [ 286.736658][ T30] kernfs_fop_read_iter+0x414/0x580 [ 286.742057][ T30] ? security_file_permission+0x21/0x80 [ 286.747746][ T30] vfs_read+0x87f/0xbe0 [ 286.752000][ T30] ? __pfx_vfs_read+0x10/0x10 [ 286.756906][ T30] ? __pfx___do_sys_newfstatat+0x10/0x10 [ 286.762637][ T30] ? __pfx_do_sys_openat2+0x10/0x10 [ 286.767940][ T30] ksys_read+0x12f/0x260 [ 286.772266][ T30] ? __pfx_ksys_read+0x10/0x10 [ 286.777193][ T30] do_syscall_64+0xcd/0x250 [ 286.781775][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.787805][ T30] RIP: 0033:0x7fac73521b6a [ 286.792284][ T30] RSP: 002b:00007ffc143fab18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 286.800834][ T30] RAX: ffffffffffffffda RBX: 0000564057c93890 RCX: 00007fac73521b6a [ 286.808950][ T30] RDX: 0000000000001000 RSI: 0000564057c6d640 RDI: 0000000000000008 [ 286.817043][ T30] RBP: 0000564057c93890 R08: 0000000000000008 R09: 0000000000000000 [ 286.825171][ T30] R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000 [ 286.833273][ T30] R13: 0000000000003fff R14: 00007ffc143faff8 R15: 000000000000000a [ 286.841331][ T30] [ 286.844459][ T30] [ 286.844459][ T30] Showing all locks held in the system: [ 286.852231][ T30] 1 lock held by khungtaskd/30: [ 286.857204][ T30] #0: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x7f/0x390 [ 286.867244][ T30] 5 locks held by kworker/1:1/41: [ 286.872314][ T30] #0: ffff88810668c548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 [ 286.883318][ T30] #1: ffffc900002b7d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 [ 286.894714][ T30] #2: ffff88810a7d1190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 [ 286.903765][ T30] #3: ffff888100ffd190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 [ 286.913159][ T30] #4: ffff888100ff8160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 [ 286.922524][ T30] 2 locks held by getty/2920: [ 286.927320][ T30] #0: ffff8881124250a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 286.937274][ T30] #1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 [ 286.947713][ T30] 4 locks held by udevd/2963: [ 286.952447][ T30] #0: ffff88811410a540 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xd8/0x12b0 [ 286.961534][ T30] #1: ffff888117107088 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_seq_start+0x4d/0x240 [ 286.971124][ T30] #2: ffff888114c79968 (kn->active#5){.+.+}-{0:0}, at: kernfs_seq_start+0x71/0x240 [ 286.980727][ T30] #3: ffff888100ffd190 (&dev->mutex){....}-{3:3}, at: uevent_show+0x188/0x3b0 [ 286.989859][ T30] [ 286.992227][ T30] ============================================= [ 286.992227][ T30] [ 287.000745][ T30] NMI backtrace for cpu 0 [ 287.005144][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc6-syzkaller-00153-g237d4e0f4113 #0 [ 287.015797][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 287.025913][ T30] Call Trace: [ 287.029236][ T30] [ 287.032209][ T30] dump_stack_lvl+0x116/0x1f0 [ 287.036960][ T30] nmi_cpu_backtrace+0x27b/0x390 [ 287.041958][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.048002][ T30] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 287.054058][ T30] watchdog+0xf0c/0x1240 [ 287.058400][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.063158][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.068440][ T30] ? __kthread_parkme+0x148/0x220 [ 287.073540][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.078285][ T30] kthread+0x2c1/0x3a0 [ 287.082452][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.087730][ T30] ? __pfx_kthread+0x10/0x10 [ 287.092693][ T30] ret_from_fork+0x45/0x80 [ 287.097270][ T30] ? __pfx_kthread+0x10/0x10 [ 287.102009][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.107117][ T30] [ 287.110315][ T30] Sending NMI from CPU 0 to CPUs 1: [ 287.115903][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x1a/0x20 [ 287.116895][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.132218][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc6-syzkaller-00153-g237d4e0f4113 #0 [ 287.142780][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 287.152889][ T30] Call Trace: [ 287.156213][ T30] [ 287.159192][ T30] dump_stack_lvl+0x3d/0x1f0 [ 287.163854][ T30] panic+0x71d/0x800 [ 287.167837][ T30] ? __pfx_panic+0x10/0x10 [ 287.172318][ T30] ? __pfx__printk+0x10/0x10 [ 287.176981][ T30] ? irq_work_claim+0x76/0xa0 [ 287.181731][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.187763][ T30] ? irq_work_queue+0x2a/0x80 [ 287.192500][ T30] ? watchdog+0xd76/0x1240 [ 287.196972][ T30] ? watchdog+0xd69/0x1240 [ 287.201455][ T30] watchdog+0xd87/0x1240 [ 287.205778][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.210511][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.215791][ T30] ? __kthread_parkme+0x148/0x220 [ 287.220876][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.225657][ T30] kthread+0x2c1/0x3a0 [ 287.229800][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.235115][ T30] ? __pfx_kthread+0x10/0x10 [ 287.239768][ T30] ret_from_fork+0x45/0x80 [ 287.244257][ T30] ? __pfx_kthread+0x10/0x10 [ 287.248911][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.253769][ T30] [ 287.257165][ T30] Kernel Offset: disabled [ 287.261532][ T30] Rebooting in 86400 seconds..