last executing test programs: 17m23.08399255s ago: executing program 0 (id=348): r0 = syz_usb_connect(0x5, 0x24, &(0x7f0000000400)={{0x12, 0x1, 0x0, 0xcf, 0x30, 0x40, 0x20, 0x86a, 0x102, 0xc8e6, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x95, 0x0, 0x0, 0x1b, 0x53, 0xda}}]}}]}}, 0x0) r1 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000df2bfd404b0c0001cad7010203010902240001000000000904450002c9cee40009050802ff03000000090582030004"], 0x0) syz_usb_ep_write(r1, 0x82, 0x0, 0x0) syz_usb_disconnect(r0) syz_usb_connect$cdc_ncm(0x2, 0x6e, &(0x7f0000000100)=ANY=[@ANYBLOB="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"], 0x0) 17m20.685748727s ago: executing program 0 (id=354): r0 = syz_usb_connect$hid(0x3, 0x3f, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000000000402609333300000000000109022d000100000000090400000503000200092100003301220500090581030000"], 0x0) r1 = syz_usb_connect(0x0, 0x2d, &(0x7f00000003c0)=ANY=[@ANYBLOB="120100009ac0b620110f211066865578ac0109029c000100000400090400bf900b64ea0009058703"], 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) r3 = syz_usb_connect(0x0, 0x3b, &(0x7f0000000300)=ANY=[@ANYBLOB="1201000085826d20ffd56600b0d8000000010902290001000000000904000000e0010300052406"], 0x0) syz_usb_disconnect(r1) read$char_usb(r2, 0x0, 0x0) syz_usb_connect$hid(0x1, 0x0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, &(0x7f0000000240)={0x2c, &(0x7f0000000000)={0x40, 0xd, 0xb, {0xb, 0x10, "60d4115e4a6b086995"}}, &(0x7f0000000700)=ANY=[@ANYRES64=r1], 0x0, 0x0, 0x0}, 0x0) syz_usb_connect(0x3, 0x55, 0x0, 0x0) r4 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) r5 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0xa1, 0x12, 0x17, 0x10, 0xb95, 0x172a, 0xf7f4, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xfb, 0x0, 0x2, 0x6c, 0x5d, 0x65, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0) syz_usb_control_io$printer(r5, 0x0, 0x0) syz_usb_connect$uac1(0x7, 0x71, &(0x7f0000000040)=ANY=[@ANYBLOB="12"], 0x0) syz_usb_control_io(r3, &(0x7f00000004c0)={0x2c, &(0x7f00000002c0)={0x0, 0x5, 0x9, {0x9, 0xc, "b2907207f68ba4"}}, &(0x7f0000000380)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x180c}}, &(0x7f0000000400)={0x0, 0xf, 0x34, {0x5, 0xf, 0x34, 0x3, [@ext_cap={0x7, 0x10, 0x2, 0x4, 0xb, 0x6, 0x401}, @ss_container_id={0x14, 0x10, 0x4, 0x7f, "76cad148644077961fd6eda8140d0af9"}, @ss_container_id={0x14, 0x10, 0x4, 0x8, "4b3600521209baa7f6815875f0f81f06"}]}}, &(0x7f0000000440)={0x20, 0x29, 0xf, {0xf, 0x29, 0x84, 0x4, 0x1, 0x80, "9a30e309", "345ad29d"}}, &(0x7f0000000480)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x0, 0x18, 0xb, 0xc, 0xce, 0x2, 0x7}}}, &(0x7f0000000a40)={0x84, &(0x7f0000000500)={0x20, 0x9, 0xc, "d5e8192105f4327b35ebdd89"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x8}, &(0x7f0000000580)={0x0, 0x8, 0x1, 0xb}, &(0x7f00000005c0)={0x20, 0x0, 0x4, {0x0, 0x2}}, &(0x7f0000000600)={0x20, 0x0, 0x8, {0x100, 0x80, [0xf00]}}, &(0x7f0000000680)={0x40, 0x7, 0x2, 0x1}, &(0x7f00000006c0)={0x40, 0x9, 0x1, 0x2}, &(0x7f0000000740)={0x40, 0xb, 0x2, "ad6b"}, &(0x7f0000000840)={0x40, 0xf, 0x2, 0x4}, &(0x7f0000000880)={0x40, 0x13, 0x6, @random="032e49f21860"}, &(0x7f00000008c0)={0x40, 0x17, 0x6, @local}, &(0x7f0000000900)={0x40, 0x19, 0x2, ' /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1309.109983][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.117060][ T30] task:kworker/0:2 state:D stack:21352 pid:1117 tgid:1117 ppid:2 task_flags:0x4288060 flags:0x00004000 [ 1309.117127][ T30] Workqueue: usb_hub_wq hub_event [ 1309.117157][ T30] Call Trace: [ 1309.117168][ T30] [ 1309.117185][ T30] __schedule+0x132a/0x3b10 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 1309.117223][ T30] ? __pfx___schedule+0x10/0x10 [ 1309.117258][ T30] ? find_held_lock+0x2b/0x80 [ 1309.117287][ T30] ? schedule+0x2d7/0x3a0 [ 1309.117319][ T30] schedule+0xe7/0x3a0 [ 1309.117349][ T30] schedule_preempt_disabled+0x13/0x30 [ 1309.126100][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.133445][ T30] __mutex_lock+0x6c7/0xb90 [ 1309.164127][ T10] m920x_read = error: -19 [ 1309.166076][ T30] ? rtnl_net_dev_lock+0x146/0x360 [ 1309.170776][ T10] dvb-usb: error while querying for an remote control event. [ 1309.175066][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 1309.200765][ T29] audit: type=1400 audit(1750211990.370:139): avc: denied { write } for pid=2942 comm="syz-executor" path="pipe:[2349]" dev="pipefs" ino=2349 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 1309.200815][ T30] ? find_held_lock+0x2b/0x80 [ 1309.210730][ T10] m920x_read = error: -19 [ 1309.213276][ T30] ? rtnl_net_dev_lock+0x28/0x360 [ 1309.218260][ T10] dvb-usb: error while querying for an remote control event. [ 1309.241274][ T30] ? rtnl_net_dev_lock+0x146/0x360 [ 1309.241311][ T30] ? rtnl_lock+0x9/0x20 [ 1309.241336][ T30] rtnl_net_dev_lock+0x146/0x360 [ 1309.260745][ T5238] m920x_read = error: -19 [ 1309.262757][ T30] unregister_netdev+0x15/0x60 [ 1309.267838][ T5238] dvb-usb: error while querying for an remote control event. [ 1309.271989][ T30] usbnet_disconnect+0x109/0x500 [ 1309.272024][ T30] usb_unbind_interface+0x1da/0x9a0 [ 1309.280733][T10297] m920x_read = error: -19 [ 1309.281293][ T30] ? kernfs_remove_by_name_ns+0xbe/0x110 [ 1309.286047][T10297] dvb-usb: error while querying for an remote control event. [ 1309.293419][ T30] ? __pfx_usb_unbind_interface+0x10/0x10 [ 1309.293455][ T30] device_remove+0x122/0x170 [ 1309.317565][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.320979][ T30] device_release_driver_internal+0x44b/0x620 [ 1309.326685][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.331290][ T30] bus_remove_device+0x22f/0x420 [ 1309.331326][ T30] device_del+0x396/0x9f0 [ 1309.361857][ T30] ? __pfx_device_del+0x10/0x10 [ 1309.366748][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 1309.371874][ T30] ? __pfx___pm_runtime_barrier+0x10/0x10 [ 1309.377629][ T30] ? do_raw_spin_lock+0x12c/0x2b0 [ 1309.380758][ T5238] m920x_read = error: -19 [ 1309.382692][ T30] usb_disable_device+0x355/0x7d0 [ 1309.386988][ T5238] dvb-usb: error while querying for an remote control event. [ 1309.392027][ T30] usb_disconnect+0x2e1/0x920 [ 1309.404125][ T30] hub_event+0x1aa0/0x5030 [ 1309.404216][T10297] m920x_read = error: -19 [ 1309.408570][ T30] ? __lock_acquire+0xb8a/0x1c90 [ 1309.412897][T10297] dvb-usb: error while querying for an remote control event. [ 1309.417807][ T30] ? __pfx_hub_event+0x10/0x10 [ 1309.429971][ T30] ? assoc_array_gc+0xe00/0x15b0 [ 1309.434977][ T30] ? rcu_is_watching+0x12/0xc0 [ 1309.439783][ T30] process_one_work+0x9cc/0x1b70 [ 1309.440748][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.444768][ T30] ? __pfx_process_one_work+0x10/0x10 [ 1309.452138][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.457497][ T30] ? assign_work+0x1a0/0x250 [ 1309.465362][ T10] m920x_read = error: -19 [ 1309.469352][ T30] worker_thread+0x6c8/0xf10 [ 1309.473701][ T10] dvb-usb: error while querying for an remote control event. [ 1309.478275][ T30] ? __pfx_worker_thread+0x10/0x10 [ 1309.490870][ T30] kthread+0x3c5/0x780 [ 1309.492633][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.494948][ T30] ? __pfx_kthread+0x10/0x10 [ 1309.502363][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.506897][ T30] ? rcu_is_watching+0x12/0xc0 [ 1309.518979][ T30] ? __pfx_kthread+0x10/0x10 [ 1309.523637][ T30] ret_from_fork+0x5b3/0x6c0 [ 1309.528265][ T30] ? __pfx_kthread+0x10/0x10 [ 1309.530756][ T10] m920x_read = error: -19 [ 1309.532886][ T30] ret_from_fork_asm+0x1a/0x30 [ 1309.537182][ T10] dvb-usb: error while querying for an remote control event. [ 1309.541963][ T30] [ 1309.542058][ T8926] m920x_read = error: -19 [ 1309.552459][T10297] m920x_read = error: -19 [ 1309.556722][ T8926] dvb-usb: error -19 while querying for an remote control event. [ 1309.561064][T10297] dvb-usb: error while querying for an remote control event. [ 1309.568840][ T8926] m920x_read = error: -19 [ 1309.580022][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.580459][ T8926] dvb-usb: error while querying for an remote control event. [ 1309.589385][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.595295][ T8926] m920x_read = error: -19 [ 1309.595321][ T8926] dvb-usb: error -19 while querying for an remote control event. [ 1309.596403][ T30] INFO: task kworker/u8:0:8925 blocked for more than 148 seconds. [ 1309.604192][ T10] m920x_read = error: -19 [ 1309.607328][ T30] Not tainted 6.16.0-rc2-syzkaller #0 [ 1309.615399][ T10] dvb-usb: error while querying for an remote control event. [ 1309.622855][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1309.622869][ T30] task:kworker/u8:0 state:D stack:24872 pid:8925 tgid:8925 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 1309.622943][ T30] Workqueue: ipv6_addrconf addrconf_verify_work [ 1309.622984][ T30] Call Trace: [ 1309.622994][ T30] [ 1309.623011][ T30] __schedule+0x132a/0x3b10 [ 1309.623055][ T30] ? __pfx___schedule+0x10/0x10 [ 1309.623095][ T30] ? find_held_lock+0x2b/0x80 [ 1309.623131][ T30] ? schedule+0x2d7/0x3a0 [ 1309.623166][ T30] schedule+0xe7/0x3a0 [ 1309.639706][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.640778][ T30] schedule_preempt_disabled+0x13/0x30 [ 1309.640817][ T30] __mutex_lock+0x6c7/0xb90 [ 1309.649467][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.661441][ T30] ? __lock_acquire+0xb8a/0x1c90 [ 1309.661466][ T30] ? addrconf_verify_work+0x12/0x30 [ 1309.661504][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 1309.667952][ T10] m920x_read = error: -19 [ 1309.671001][ T30] ? debug_object_deactivate+0x1ec/0x3a0 [ 1309.673929][ T10] dvb-usb: error while querying for an remote control event. [ 1309.678418][ T30] ? addrconf_verify_work+0x12/0x30 [ 1309.683364][T10297] m920x_read = error: -19 [ 1309.687897][ T30] ? rtnl_lock+0x9/0x20 [ 1309.692243][T10297] dvb-usb: error while querying for an remote control event. [ 1309.696276][ T30] addrconf_verify_work+0x12/0x30 [ 1309.703792][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.709188][ T30] process_one_work+0x9cc/0x1b70 [ 1309.713705][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.720997][ T30] ? __pfx_crng_reseed+0x10/0x10 [ 1309.726176][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.731133][ T30] ? __pfx_process_one_work+0x10/0x10 [ 1309.736148][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.740469][ T30] ? assign_work+0x1a0/0x250 [ 1309.746301][T10297] m920x_read = error: -19 [ 1309.753481][ T30] worker_thread+0x6c8/0xf10 [ 1309.758668][T10297] dvb-usb: error while querying for an remote control event. [ 1309.763000][ T30] ? __kthread_parkme+0x19e/0x250 [ 1309.767291][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.774502][ T30] ? __pfx_worker_thread+0x10/0x10 [ 1309.779517][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.786884][ T30] kthread+0x3c5/0x780 [ 1309.786916][ T30] ? __pfx_kthread+0x10/0x10 [ 1309.792125][T10297] m920x_read = error: -19 [ 1309.799154][ T30] ? __pfx_kthread+0x10/0x10 [ 1309.804112][T10297] dvb-usb: error while querying for an remote control event. [ 1309.804291][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.811490][ T30] ret_from_fork+0x5b3/0x6c0 [ 1309.811531][ T30] ? __pfx_kthread+0x10/0x10 [ 1309.811559][ T30] ret_from_fork_asm+0x1a/0x30 [ 1309.816911][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.824210][ T30] [ 1309.833729][T10297] m920x_read = error: -19 [ 1309.837792][ T5252] m920x_read = error: -19 [ 1309.845135][T10297] dvb-usb: error while querying for an remote control event. [ 1309.850127][ T5252] dvb-usb: error while querying for an remote control event. [ 1309.857654][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.862936][ T5252] m920x_read = error: -19 [ 1309.862961][ T5252] dvb-usb: error -19 while querying for an remote control event. [ 1309.863037][ T5252] m920x_read = error: -19 [ 1309.863060][ T5252] dvb-usb: error -19 while querying for an remote control event. [ 1309.863639][ T30] [ 1309.863639][ T30] Showing all locks held in the system: [ 1309.863654][ T30] 1 lock held by khungtaskd/30: [ 1309.863671][ T30] #0: ffffffff890c7d80 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 [ 1309.863758][ T30] 6 locks held by kworker/0:2/1117: [ 1309.863774][ T30] #0: ffff8881076a1d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 [ 1309.863844][ T30] #1: ffffc90001b0fd10 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 [ 1309.863915][ T30] #2: ffff88810b778198 (&dev->mutex){....}-{4:4}, at: hub_event+0x1be/0x5030 [ 1309.871775][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.875308][ T30] #3: ffff888114f2b198 [ 1309.881159][T10297] m920x_read = error: -19 [ 1309.884214][ T30] ( [ 1309.888767][T10297] dvb-usb: error while querying for an remote control event. [ 1309.896126][ T30] &dev->mutex){....}-{4:4}, at: usb_disconnect+0x10a/0x920 [ 1309.903876][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.908098][ T30] #4: ffff8881373bb160 [ 1309.912728][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.917446][ T30] (&dev->mutex [ 1309.924927][ T10] m920x_read = error: -19 [ 1309.927761][ T30] ){....}-{4:4} [ 1309.932108][ T10] dvb-usb: error while querying for an remote control event. [ 1309.936396][ T30] , at: device_release_driver_internal+0xa4/0x620 [ 1309.943903][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1309.951141][ T30] #5: [ 1309.958486][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1309.962809][ T30] ffffffff8a3d4c68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_dev_lock+0x146/0x360 [ 1309.970733][ T10] m920x_read = error: -19 [ 1309.974914][ T30] 1 lock held by dhcpcd/2883: [ 1309.982598][ T10] dvb-usb: error while querying for an remote control event. [ 1309.990265][ T30] 2 locks held by getty/2906: [ 1310.001261][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.004911][ T30] #0: [ 1310.010069][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.020918][ T30] ffff8881150da0a0 [ 1310.032319][T10297] m920x_read = error: -19 [ 1310.040995][ T30] (&tty->ldisc_sem [ 1310.048272][T10297] dvb-usb: error while querying for an remote control event. [ 1310.052413][ T30] ){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 1310.056838][ T10] m920x_read = error: -19 [ 1310.059233][ T30] #1: ffffc900000432f0 [ 1310.066618][ T10] dvb-usb: error while querying for an remote control event. [ 1310.073805][ T30] (&ldata->atomic_read_lock [ 1310.081431][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.085313][ T30] ){+.+.}-{4:4} [ 1310.092611][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.096039][ T30] , at: n_tty_read+0x41b/0x14f0 [ 1310.100570][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.103812][ T30] 6 locks held by kworker/0:6/5648: [ 1310.111174][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.117544][ T30] #0: ffff8881076a1d48 [ 1310.125102][ T10] m920x_read = error: -19 [ 1310.127663][ T30] ((wq_completion)usb_hub_wq [ 1310.134955][ T10] dvb-usb: error while querying for an remote control event. [ 1310.143916][ T30] ){+.+.}-{0:0} [ 1310.148400][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.152910][ T30] , at: process_one_work+0x12a2/0x1b70 [ 1310.160266][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.164939][ T30] #1: ffffc90011f4fd10 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 [ 1310.172610][ T10] m920x_read = error: -19 [ 1310.175112][ T30] #2: ffff88810b398198 [ 1310.182415][ T10] dvb-usb: error while querying for an remote control event. [ 1310.186105][ T30] (&dev->mutex [ 1310.190571][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.194216][ T30] ){....}-{4:4} [ 1310.201599][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.207954][ T30] , at: hub_event+0x1be/0x5030 [ 1310.212494][ T10] m920x_read = error: -19 [ 1310.216413][ T30] #3: ffff888113a00198 [ 1310.223798][ T10] dvb-usb: error while querying for an remote control event. [ 1310.228354][ T30] (&dev->mutex [ 1310.239575][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.246482][ T30] ){....}-{4:4} [ 1310.251379][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.258694][ T30] , at: __device_attach+0x7e/0x4b0 [ 1310.264125][ T10] m920x_read = error: -19 [ 1310.271169][ T30] #4: ffff888112fd9160 [ 1310.275317][ T10] dvb-usb: error while querying for an remote control event. [ 1310.279611][ T30] (&dev->mutex [ 1310.285350][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.291694][ T30] ){....}-{4:4}, at: __device_attach+0x7e/0x4b0 [ 1310.295154][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.302525][ T30] #5: ffffffff8a3d4c68 (rtnl_mutex){+.+.}-{4:4}, at: register_netdev+0x18/0x50 [ 1310.308764][ T10] m920x_read = error: -19 [ 1310.315288][ T30] 4 locks held by udevd/7919: [ 1310.326538][ T10] dvb-usb: error while querying for an remote control event. [ 1310.330819][ T30] #0: ffff88813a3361c8 [ 1310.335543][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.342330][ T30] (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xe1/0x12c0 [ 1310.345807][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.353204][ T30] #1: ffff888137ac6c88 [ 1310.357311][ T10] m920x_read = error: -19 [ 1310.363932][ T30] (&of->mutex [ 1310.368687][ T10] dvb-usb: error while querying for an remote control event. [ 1310.373019][ T30] #2){+.+.}-{4:4}, at: kernfs_seq_start+0x4d/0x240 [ 1310.377294][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.384556][ T30] #2: [ 1310.387993][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.395358][ T30] ffff8881352e9b48 (kn->active#22){++++}-{0:0} [ 1310.399007][T10297] m920x_read = error: -19 [ 1310.406104][ T30] , at: kernfs_seq_start+0x71/0x240 [ 1310.411241][T10297] dvb-usb: error while querying for an remote control event. [ 1310.411381][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.415558][ T30] #3: ffff888113a00198 [ 1310.419695][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.427059][ T30] (&dev->mutex){....}-{4:4} [ 1310.430710][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.437882][ T30] , at: manufacturer_show+0x26/0xa0 [ 1310.444163][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.451391][ T30] 3 locks held by kworker/u8:0/8925: [ 1310.463654][T10297] m920x_read = error: -19 [ 1310.464721][ T30] #0: [ 1310.469365][T10297] dvb-usb: error while querying for an remote control event. [ 1310.476718][ T30] ffff888111a56948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0} [ 1310.481032][ T10] m920x_read = error: -19 [ 1310.488238][ T30] , at: process_one_work+0x12a2/0x1b70 [ 1310.495275][ T10] dvb-usb: error while querying for an remote control event. [ 1310.502561][ T30] #1: [ 1310.506834][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.511003][ T30] ffffc90001e5fd10 [ 1310.514357][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.521716][ T30] ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 [ 1310.521781][ T30] #2: [ 1310.528431][ T5238] m920x_read = error: -19 [ 1310.535649][ T30] ffffffff8a3d4c68 [ 1310.538390][ T5238] dvb-usb: error while querying for an remote control event. [ 1310.545657][ T30] (rtnl_mutex [ 1310.551949][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.556114][ T30] ){+.+.}-{4:4} [ 1310.561313][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.561542][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.568671][ T30] , at: addrconf_verify_work+0x12/0x30 [ 1310.576045][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.580177][ T30] 4 locks held by kworker/u8:2/14466: [ 1310.587654][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.592038][ T30] #0: ffff888100ac3948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 [ 1310.592106][ T30] #1: [ 1310.599452][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.604646][ T30] ffffc90001eefd10 [ 1310.616698][ T5238] m920x_read = error: -19 [ 1310.617223][ T30] ( [ 1310.621590][ T5238] dvb-usb: error while querying for an remote control event. [ 1310.624325][ T30] net_cleanup_work [ 1310.632303][ T10] m920x_read = error: -19 [ 1310.639121][ T30] ){+.+.}-{0:0} [ 1310.643478][ T10] dvb-usb: error while querying for an remote control event. [ 1310.648908][ T30] , at: process_one_work+0x929/0x1b70 [ 1310.656970][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.659017][ T30] #2: ffffffff8a3becd0 [ 1310.666423][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.670105][ T30] (pernet_ops_rwsem [ 1310.677606][ T5238] m920x_read = error: -19 [ 1310.688586][ T30] ){++++}-{4:4}, at: cleanup_net+0xad/0x890 [ 1310.691381][ T5238] dvb-usb: error while querying for an remote control event. [ 1310.695672][ T30] #3: ffffffff8a3d4c68 [ 1310.700251][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.706745][ T30] ( [ 1310.710099][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.717495][ T30] rtnl_mutex [ 1310.721670][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.728201][ T30] ){+.+.}-{4:4} [ 1310.735588][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.741046][ T30] , at: ops_undo_list+0x7e9/0xab0 [ 1310.741074][ T30] 1 lock held by syz-executor/14891: [ 1310.741089][ T30] #0: ffffffff8a3d4c68 (rtnl_mutex [ 1310.748559][ T5238] m920x_read = error: -19 [ 1310.753782][ T30] ){+.+.}-{4:4} [ 1310.761145][ T5238] dvb-usb: error while querying for an remote control event. [ 1310.771443][ T30] , at: inet_rtm_newaddr+0x30c/0x1540 [ 1310.775369][ T10] m920x_read = error: -19 [ 1310.781861][ T30] 1 lock held by syz-executor/14893: [ 1310.785566][ T10] dvb-usb: error while querying for an remote control event. [ 1310.789859][ T30] #0: ffffffff8a3d4c68 [ 1310.792901][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.799730][ T30] ( [ 1310.803493][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.807765][ T30] rtnl_mutex [ 1310.811414][T10297] m920x_read = error: -19 [ 1310.818564][ T30] ){+.+.}-{4:4} [ 1310.823948][T10297] dvb-usb: error while querying for an remote control event. [ 1310.831335][ T30] , at: inet_rtm_newaddr+0x30c/0x1540 [ 1310.831370][ T30] 1 lock held by syz-executor/14894: [ 1310.835672][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.842772][ T30] #0: ffffffff8a3d4c68 [ 1310.846651][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.850974][ T30] (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 [ 1310.857059][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.864245][ T30] 1 lock held by syz-executor/14901: [ 1310.864276][ T30] #0: ffffffff8a3d4c68 [ 1310.868416][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.875786][ T30] (rtnl_mutex [ 1310.878510][ T2883] asix 6-1:7.204 eth1: Failed to write reg index 0x0000: -19 [ 1310.885546][ T30] ){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 [ 1310.888759][ T2883] asix 6-1:7.204 eth1: Failed to enable software MII access [ 1310.896121][ T30] 1 lock held by syz-executor/14904: [ 1310.896139][ T30] #0: ffffffff8a3d4c68 (rtnl_mutex [ 1310.899799][T10297] m920x_read = error: -19 [ 1310.906869][ T30] ){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 [ 1310.911998][T10297] dvb-usb: error while querying for an remote control event. [ 1310.917209][ T30] [ 1310.922567][ T5238] m920x_read = error: -19 [ 1310.926751][ T30] ============================================= [ 1310.926751][ T30] [ 1310.926778][ T30] NMI backtrace for cpu 1 [ 1310.926806][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.16.0-rc2-syzkaller #0 PREEMPT(voluntary) [ 1310.926835][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 1310.926850][ T30] Call Trace: [ 1310.926860][ T30] [ 1310.926871][ T30] dump_stack_lvl+0x116/0x1f0 [ 1310.926913][ T30] nmi_cpu_backtrace+0x27b/0x390 [ 1310.926944][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 1310.926971][ T30] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 1310.927004][ T30] watchdog+0xf70/0x12c0 [ 1310.927035][ T30] ? __pfx_watchdog+0x10/0x10 [ 1310.927058][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 1310.927092][ T30] ? __kthread_parkme+0x19e/0x250 [ 1310.927129][ T30] ? __pfx_watchdog+0x10/0x10 [ 1310.927153][ T30] kthread+0x3c5/0x780 [ 1310.927180][ T30] ? __pfx_kthread+0x10/0x10 [ 1310.927207][ T30] ? rcu_is_watching+0x12/0xc0 [ 1310.927239][ T30] ? __pfx_kthread+0x10/0x10 [ 1310.927266][ T30] ret_from_fork+0x5b3/0x6c0 [ 1310.927300][ T30] ? __pfx_kthread+0x10/0x10 [ 1310.927327][ T30] ret_from_fork_asm+0x1a/0x30 [ 1310.927372][ T30] [ 1310.927381][ T30] Sending NMI from CPU 1 to CPUs 0: [ 1310.930209][ T5238] dvb-usb: error while querying for an remote control event. [ 1310.937651][ C0] NMI backtrace for cpu 0 [ 1310.937666][ C0] CPU: 0 UID: 0 PID: 5238 Comm: kworker/0:4 Not tainted 6.16.0-rc2-syzkaller #0 PREEMPT(voluntary) [ 1310.937695][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 1310.937716][ C0] Workqueue: events legacy_dvb_usb_read_remote_control [ 1310.937746][ C0] RIP: 0010:io_serial_out+0x8f/0xb0 [ 1310.937782][ C0] Code: 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1c 66 03 5d 40 44 89 e8 89 da ee <5b> 5d 41 5c 41 5d c3 cc cc cc cc e8 a1 3b 05 ff eb a0 e8 2a 3c 05 [ 1310.937806][ C0] RSP: 0018:ffffc9000364f720 EFLAGS: 00000002 [ 1310.937824][ C0] RAX: 0000000000000033 RBX: 00000000000003f8 RCX: 0000000000000000 [ 1310.937839][ C0] RDX: 00000000000003f8 RSI: ffffffff82d58e05 RDI: ffffffff93927080 [ 1310.937855][ C0] RBP: ffffffff93927040 R08: 0000000000000001 R09: 000000000000001f [ 1310.937870][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 1310.937885][ C0] R13: 0000000000000033 R14: ffffffff93927040 R15: ffffffff82d58da0 [ 1310.937901][ C0] FS: 0000000000000000(0000) GS:ffff888269164000(0000) knlGS:0000000000000000 [ 1310.937923][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1310.937939][ C0] CR2: 0000560a7f76bb68 CR3: 000000011687c000 CR4: 00000000003506f0 [ 1310.937955][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1310.937969][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1310.937984][ C0] Call Trace: [ 1310.937991][ C0] [ 1310.938002][ C0] serial8250_console_write+0xfbf/0x1890 [ 1310.938035][ C0] ? __pfx_serial8250_console_write+0x10/0x10 [ 1310.938065][ C0] ? lock_acquire+0x179/0x350 [ 1310.938094][ C0] console_flush_all+0x801/0xc60 [ 1310.938128][ C0] ? __pfx_console_flush_all+0x10/0x10 [ 1310.938159][ C0] ? __lock_acquire+0x622/0x1c90 [ 1310.938184][ C0] ? is_printk_cpu_sync_owner+0x32/0x40 [ 1310.938220][ C0] console_unlock+0xd8/0x210 [ 1310.938248][ C0] ? __pfx_console_unlock+0x10/0x10 [ 1310.938280][ C0] ? vprintk_emit+0x67c/0x6d0 [ 1310.938313][ C0] vprintk_emit+0x418/0x6d0 [ 1310.938344][ C0] ? __pfx_vprintk_emit+0x10/0x10 [ 1310.938377][ C0] ? kasan_quarantine_put+0x10a/0x240 [ 1310.938409][ C0] _printk+0xc7/0x100 [ 1310.938431][ C0] ? __pfx__printk+0x10/0x10 [ 1310.938458][ C0] ? legacy_dvb_usb_read_remote_control+0x3ff/0x4f0 [ 1310.938485][ C0] ? legacy_dvb_usb_read_remote_control+0x118/0x4f0 [ 1310.938514][ C0] legacy_dvb_usb_read_remote_control+0x40b/0x4f0 [ 1310.938542][ C0] ? __pfx_legacy_dvb_usb_read_remote_control+0x10/0x10 [ 1310.938572][ C0] ? rcu_is_watching+0x12/0xc0 [ 1310.938604][ C0] process_one_work+0x9cc/0x1b70 [ 1310.938639][ C0] ? __pfx_process_one_work+0x10/0x10 [ 1310.938672][ C0] ? assign_work+0x1a0/0x250 [ 1310.938699][ C0] worker_thread+0x6c8/0xf10 [ 1310.938731][ C0] ? __kthread_parkme+0x19e/0x250 [ 1310.938768][ C0] ? __pfx_worker_thread+0x10/0x10 [ 1310.938796][ C0] kthread+0x3c5/0x780 [ 1310.938821][ C0] ? __pfx_kthread+0x10/0x10 [ 1310.938847][ C0] ? rcu_is_watching+0x12/0xc0 [ 1310.938877][ C0] ? __pfx_kthread+0x10/0x10 [ 1310.938903][ C0] ret_from_fork+0x5b3/0x6c0 [ 1310.938938][ C0] ? __pfx_kthread+0x10/0x10 [ 1310.938963][ C0] ret_from_fork_asm+0x1a/0x30 [ 1310.938999][ C0] [ 1310.939650][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 1310.939668][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.16.0-rc2-syzkaller #0 PREEMPT(voluntary) [ 1310.939697][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 1310.939711][ T30] Call Trace: [ 1310.939720][ T30] [ 1310.939731][ T30] dump_stack_lvl+0x3d/0x1f0 [ 1310.939769][ T30] panic+0x71c/0x800 [ 1310.939793][ T30] ? __pfx___irq_work_queue_local+0x10/0x10 [ 1310.939822][ T30] ? __pfx_panic+0x10/0x10 [ 1310.939845][ T30] ? __pfx__printk+0x10/0x10 [ 1310.939868][ T30] ? ret_from_fork_asm+0x1a/0x30 [ 1310.939904][ T30] ? irq_work_queue+0xce/0x100 [ 1310.939933][ T30] ? watchdog+0xdda/0x12c0 [ 1310.939957][ T30] ? watchdog+0xdcd/0x12c0 [ 1310.939986][ T30] watchdog+0xdeb/0x12c0 [ 1310.940018][ T30] ? __pfx_watchdog+0x10/0x10 [ 1310.940041][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 1310.940075][ T30] ? __kthread_parkme+0x19e/0x250 [ 1310.940113][ T30] ? __pfx_watchdog+0x10/0x10 [ 1310.940139][ T30] kthread+0x3c5/0x780 [ 1310.940166][ T30] ? __pfx_kthread+0x10/0x10 [ 1310.940196][ T30] ? rcu_is_watching+0x12/0xc0 [ 1310.940227][ T30] ? __pfx_kthread+0x10/0x10 [ 1310.940255][ T30] ret_from_fork+0x5b3/0x6c0 [ 1310.940289][ T30] ? __pfx_kthread+0x10/0x10 [ 1310.940316][ T30] ret_from_fork_asm+0x1a/0x30 [ 1310.940361][ T30] [ 1310.944206][ T30] Kernel Offset: disabled