Warning: Permanently added '10.128.0.131' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 795.571626][ T22] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 795.571635][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 795.590978][ T1738] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 795.599754][ T102] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 795.611133][ T1735] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 795.620691][ T17] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 795.821079][ T22] usb 6-1: Using ep0 maxpacket: 8 [ 795.831264][ T1738] usb 2-1: Using ep0 maxpacket: 8 [ 795.851151][ T102] usb 5-1: Using ep0 maxpacket: 8 [ 795.856780][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 795.871219][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 795.871973][ T1738] usb 2-1: too many configurations: 227, using maximum allowed: 8 [ 795.876832][ T1735] usb 3-1: Using ep0 maxpacket: 8 [ 795.890670][ T22] usb 6-1: too many configurations: 227, using maximum allowed: 8 [ 795.891260][ T102] usb 5-1: too many configurations: 227, using maximum allowed: 8 [ 795.908567][ T12] usb 1-1: too many configurations: 227, using maximum allowed: 8 [ 795.951360][ T17] usb 4-1: too many configurations: 227, using maximum allowed: 8 [ 795.960070][ T1735] usb 3-1: too many configurations: 227, using maximum allowed: 8 [ 795.961447][ T1738] usb 2-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 795.978942][ T1738] usb 2-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 795.991221][ T102] usb 5-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.003322][ T12] usb 1-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.014888][ T12] usb 1-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.021239][ T22] usb 6-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.027080][ T102] usb 5-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.038000][ T22] usb 6-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.091172][ T1738] usb 2-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.091291][ T17] usb 4-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.102311][ T1738] usb 2-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.112600][ T1735] usb 3-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.124633][ T12] usb 1-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.135561][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.145983][ T102] usb 5-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.158700][ T1735] usb 3-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.168672][ T12] usb 1-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.192397][ T102] usb 5-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.201307][ T22] usb 6-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.215189][ T22] usb 6-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.251178][ T1738] usb 2-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.261161][ T1735] usb 3-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.262243][ T1738] usb 2-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.272780][ T17] usb 4-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.295294][ T1735] usb 3-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.307104][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.311213][ T12] usb 1-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.330513][ T102] usb 5-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.331259][ T22] usb 6-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.341801][ T102] usb 5-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.353191][ T22] usb 6-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.364501][ T12] usb 1-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.391280][ T1738] usb 2-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.403768][ T1738] usb 2-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.421191][ T17] usb 4-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.433023][ T1735] usb 3-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.444593][ T1735] usb 3-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.456700][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.461213][ T12] usb 1-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.479314][ T102] usb 5-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.490651][ T102] usb 5-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.491313][ T22] usb 6-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.502023][ T12] usb 1-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.521237][ T1738] usb 2-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.525014][ T22] usb 6-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.535598][ T1738] usb 2-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.571279][ T17] usb 4-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.583377][ T1735] usb 3-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.594998][ T1735] usb 3-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.601243][ T12] usb 1-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.606782][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.617465][ T102] usb 5-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.631171][ T22] usb 6-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.639555][ T12] usb 1-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.651031][ T22] usb 6-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.662454][ T102] usb 5-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.685267][ T1738] usb 2-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.696385][ T1738] usb 2-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.721346][ T1735] usb 3-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.732781][ T17] usb 4-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.744496][ T1735] usb 3-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.757041][ T22] usb 6-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.768492][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.780672][ T22] usb 6-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.781262][ T12] usb 1-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.804042][ T102] usb 5-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.815279][ T1738] usb 2-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.827025][ T102] usb 5-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.839737][ T1738] usb 2-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.851485][ T12] usb 1-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.871172][ T17] usb 4-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.882797][ T1735] usb 3-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.895040][ T22] usb 6-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.906702][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.919100][ T1735] usb 3-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.931812][ T22] usb 6-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.951267][ T102] usb 5-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.963562][ T1738] usb 2-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.975310][ T12] usb 1-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 796.987299][ T102] usb 5-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 796.999127][ T1738] usb 2-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 797.011579][ T1738] usb 2-1: New USB device found, idVendor=2400, idProduct=4200, bcdDevice=42.ef [ 797.021477][ T1738] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 797.030277][ T12] usb 1-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 797.051317][ T17] usb 4-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 797.063039][ T1735] usb 3-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 797.074375][ T22] usb 6-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 797.085377][ T1735] usb 3-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 797.100545][ T1738] cdc_wdm 2-1:118.0: cdc-wdm0: USB WDM device [ 797.102053][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 797.119178][ T22] usb 6-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 797.131183][ T22] usb 6-1: New USB device found, idVendor=2400, idProduct=4200, bcdDevice=42.ef [ 797.141232][ T102] usb 5-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 797.142555][ T22] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 797.153728][ T12] usb 1-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 797.174209][ T102] usb 5-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 797.187257][ T102] usb 5-1: New USB device found, idVendor=2400, idProduct=4200, bcdDevice=42.ef [ 797.197012][ T102] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 797.205840][ T12] usb 1-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 797.207884][ T22] cdc_wdm 6-1:118.0: cdc-wdm1: USB WDM device [ 797.217222][ T12] usb 1-1: New USB device found, idVendor=2400, idProduct=4200, bcdDevice=42.ef [ 797.217238][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 797.242167][ T1735] usb 3-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 797.253474][ T17] usb 4-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 797.263694][ T12] cdc_wdm 1-1:118.0: cdc-wdm2: USB WDM device [ 797.265949][ T1735] usb 3-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 797.273357][ T102] cdc_wdm 5-1:118.0: cdc-wdm3: USB WDM device [ 797.283403][ T1735] usb 3-1: New USB device found, idVendor=2400, idProduct=4200, bcdDevice=42.ef [ 797.283420][ T1735] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 797.283841][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 797.320222][ T17] usb 4-1: New USB device found, idVendor=2400, idProduct=4200, bcdDevice=42.ef [ 797.330054][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 797.373659][ T1735] cdc_wdm 3-1:118.0: cdc-wdm4: USB WDM device [ 797.383415][ T17] cdc_wdm 4-1:118.0: cdc-wdm5: USB WDM device [ 945.151254][ T23] INFO: task syz-executor121:1726 blocked for more than 143 seconds. [ 945.159631][ T23] Not tainted 5.3.0-rc2+ #25 [ 945.164854][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 945.173687][ T23] syz-executor121 D28520 1726 1724 0x80004006 [ 945.180346][ T23] Call Trace: [ 945.183873][ T23] ? __schedule+0x703/0x1440 [ 945.188567][ T23] ? __sched_text_start+0x8/0x8 [ 945.194239][ T23] ? prepare_to_wait_event+0x129/0x650 [ 945.199953][ T23] schedule+0x9a/0x250 [ 945.204212][ T23] wdm_flush+0x20c/0x370 [ 945.208462][ T23] ? wdm_poll+0x280/0x280 [ 945.213024][ T23] ? finish_wait+0x260/0x260 [ 945.217699][ T23] ? task_work_add+0x97/0x120 [ 945.222584][ T23] ? wdm_poll+0x280/0x280 [ 945.227171][ T23] filp_close+0xb4/0x160 [ 945.231648][ T23] put_files_struct+0x1d8/0x2e0 [ 945.240029][ T23] exit_files+0x7e/0xa0 [ 945.244309][ T23] do_exit+0x8bc/0x2c50 [ 945.248470][ T23] ? find_held_lock+0x2d/0x110 [ 945.253622][ T23] ? mm_update_next_owner+0x630/0x630 [ 945.259086][ T23] ? __kasan_slab_free+0x130/0x180 [ 945.264468][ T23] ? kmem_cache_free+0xb9/0x380 [ 945.269421][ T23] ? lock_downgrade+0x6e0/0x6e0 [ 945.274485][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 945.279534][ T23] do_group_exit+0x125/0x340 [ 945.284601][ T23] get_signal+0x466/0x23d0 [ 945.289204][ T23] ? debug_check_no_obj_freed+0xc4/0x443 [ 945.295027][ T23] do_signal+0x88/0x14e0 [ 945.299291][ T23] ? lockdep_hardirqs_on+0x379/0x580 [ 945.304685][ T23] ? setup_sigcontext+0x820/0x820 [ 945.309762][ T23] ? putname+0xe1/0x120 [ 945.314231][ T23] ? rcu_read_lock_sched_held+0x113/0x130 [ 945.319958][ T23] ? kmem_cache_free+0x2d0/0x380 [ 945.324970][ T23] ? putname+0xe1/0x120 [ 945.329241][ T23] ? do_sys_open+0x2e7/0x580 [ 945.333900][ T23] ? filp_open+0x70/0x70 [ 945.338154][ T23] ? switch_fpu_return+0x1c2/0x430 [ 945.343551][ T23] exit_to_usermode_loop+0x1a2/0x200 [ 945.348966][ T23] do_syscall_64+0x45f/0x580 [ 945.353655][ T23] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 945.359534][ T23] RIP: 0033:0x401520 [ 945.363560][ T23] Code: 6e 65 54 61 62 6c 65 00 67 65 74 63 6f 6e 00 5f 69 6e 69 74 00 69 73 5f 73 65 6c 69 6e 75 78 5f 65 6e 61 62 6c 65 64 00 73 65 <63> 75 72 69 74 79 5f 67 65 74 65 6e 66 6f 72 63 65 00 67 65 74 5f [ 945.383543][ T23] RSP: 002b:00007ffd59c75df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 945.392106][ T23] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000000401520 [ 945.400079][ T23] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffd59c75e10 [ 945.408224][ T23] RBP: 00000000006cc018 R08: 0000000000000000 R09: 000000000000000f [ 945.416369][ T23] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402540 [ 945.424542][ T23] R13: 00000000004025d0 R14: 0000000000000000 R15: 0000000000000000 [ 945.432699][ T23] INFO: task syz-executor121:1731 blocked for more than 143 seconds. [ 945.441164][ T23] Not tainted 5.3.0-rc2+ #25 [ 945.446476][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 945.455432][ T23] syz-executor121 D28520 1731 1730 0x80004006 [ 945.461801][ T23] Call Trace: [ 945.465185][ T23] ? __schedule+0x703/0x1440 [ 945.470052][ T23] ? __sched_text_start+0x8/0x8 [ 945.475204][ T23] ? prepare_to_wait_event+0x129/0x650 [ 945.481188][ T23] schedule+0x9a/0x250 [ 945.485381][ T23] wdm_flush+0x20c/0x370 [ 945.489894][ T23] ? wdm_poll+0x280/0x280 [ 945.494462][ T23] ? finish_wait+0x260/0x260 [ 945.499302][ T23] ? task_work_add+0x97/0x120 [ 945.504370][ T23] ? wdm_poll+0x280/0x280 [ 945.509548][ T23] filp_close+0xb4/0x160 [ 945.514197][ T23] put_files_struct+0x1d8/0x2e0 [ 945.519147][ T23] exit_files+0x7e/0xa0 [ 945.523511][ T23] do_exit+0x8bc/0x2c50 [ 945.527819][ T23] ? find_held_lock+0x2d/0x110 [ 945.532634][ T23] ? mm_update_next_owner+0x630/0x630 [ 945.538221][ T23] ? lock_downgrade+0x6e0/0x6e0 [ 945.543114][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 945.548515][ T23] do_group_exit+0x125/0x340 [ 945.553371][ T23] get_signal+0x466/0x23d0 [ 945.558171][ T23] ? kfree+0x28c/0x2f0 [ 945.562900][ T23] ? wdm_write+0x1c2/0xd87 [ 945.568336][ T23] do_signal+0x88/0x14e0 [ 945.572826][ T23] ? finish_wait+0x260/0x260 [ 945.577531][ T23] ? lock_downgrade+0x6e0/0x6e0 [ 945.582639][ T23] ? handle_mm_fault+0x1d5/0x900 [ 945.587801][ T23] ? setup_sigcontext+0x820/0x820 [ 945.593484][ T23] ? wdm_int_callback+0x4c0/0x4c0 [ 945.598661][ T23] ? __vfs_write+0x7e/0x100 [ 945.603208][ T23] ? vfs_write+0x15b/0x5c0 [ 945.607686][ T23] ? ksys_write+0x19f/0x250 [ 945.612348][ T23] ? __ia32_sys_read+0xb0/0xb0 [ 945.617103][ T23] exit_to_usermode_loop+0x1a2/0x200 [ 945.622822][ T23] do_syscall_64+0x45f/0x580 [ 945.627504][ T23] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 945.634349][ T23] RIP: 0033:0x4417e9 [ 945.638326][ T23] Code: 65 64 2e 0a 44 69 64 20 79 6f 75 20 64 6f 20 61 20 22 6d 61 6b 65 20 69 6e 73 74 61 6c 6c 22 3f 0a 53 75 67 67 65 73 74 65 64 <20> 61 63 74 69 6f 6e 3a 20 72 75 6e 20 72 73 79 73 6c 6f 67 64 20 [ 945.658164][ T23] RSP: 002b:00007ffd59c75ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 945.666612][ T23] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00000000004417e9 [ 945.674634][ T23] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 945.682722][ T23] RBP: 00000000006cc018 R08: 000000000000000f R09: 00000000004002c8 [ 945.690794][ T23] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402540 [ 945.698850][ T23] R13: 00000000004025d0 R14: 0000000000000000 R15: 0000000000000000 [ 945.707064][ T23] INFO: task syz-executor121:1732 blocked for more than 143 seconds. [ 945.715346][ T23] Not tainted 5.3.0-rc2+ #25 [ 945.720928][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 945.730006][ T23] syz-executor121 D28520 1732 1728 0x80004006 [ 945.736645][ T23] Call Trace: [ 945.739955][ T23] ? __schedule+0x703/0x1440 [ 945.744865][ T23] ? __sched_text_start+0x8/0x8 [ 945.749753][ T23] ? prepare_to_wait_event+0x129/0x650 [ 945.755582][ T23] schedule+0x9a/0x250 [ 945.759696][ T23] wdm_flush+0x20c/0x370 [ 945.764099][ T23] ? wdm_poll+0x280/0x280 [ 945.768479][ T23] ? finish_wait+0x260/0x260 [ 945.773343][ T23] ? task_work_add+0x97/0x120 [ 945.778164][ T23] ? wdm_poll+0x280/0x280 [ 945.782698][ T23] filp_close+0xb4/0x160 [ 945.786969][ T23] put_files_struct+0x1d8/0x2e0 [ 945.791956][ T23] exit_files+0x7e/0xa0 [ 945.796304][ T23] do_exit+0x8bc/0x2c50 [ 945.800492][ T23] ? find_held_lock+0x2d/0x110 [ 945.805743][ T23] ? mm_update_next_owner+0x630/0x630 [ 945.811215][ T23] ? __kasan_slab_free+0x130/0x180 [ 945.816593][ T23] ? kmem_cache_free+0xb9/0x380 [ 945.821823][ T23] ? lock_downgrade+0x6e0/0x6e0 [ 945.826724][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 945.832117][ T23] do_group_exit+0x125/0x340 [ 945.836819][ T23] get_signal+0x466/0x23d0 [ 945.841392][ T23] ? debug_check_no_obj_freed+0xc4/0x443 [ 945.847153][ T23] do_signal+0x88/0x14e0 [ 945.851674][ T23] ? lockdep_hardirqs_on+0x379/0x580 [ 945.857125][ T23] ? setup_sigcontext+0x820/0x820 [ 945.862434][ T23] ? putname+0xe1/0x120 [ 945.866775][ T23] ? rcu_read_lock_sched_held+0x113/0x130 [ 945.872878][ T23] ? kmem_cache_free+0x2d0/0x380 [ 945.877873][ T23] ? putname+0xe1/0x120 [ 945.882280][ T23] ? do_sys_open+0x2e7/0x580 [ 945.887016][ T23] ? filp_open+0x70/0x70 [ 945.891868][ T23] ? switch_fpu_return+0x1c2/0x430 [ 945.897860][ T23] exit_to_usermode_loop+0x1a2/0x200 [ 945.903350][ T23] do_syscall_64+0x45f/0x580 [ 945.908362][ T23] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 945.914886][ T23] RIP: 0033:0x401520 [ 945.919208][ T23] Code: 00 00 3d 02 00 00 46 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 10 01 00 00 2f 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20 01 00 00 00 00 [ 945.939208][ T23] RSP: 002b:00007ffd59c75df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 945.947837][ T23] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000000401520 [ 945.956022][ T23] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffd59c75e10 [ 945.964319][ T23] RBP: 00000000006cc018 R08: 0000000000000000 R09: 000000000000000f [ 945.972568][ T23] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402540 [ 945.980675][ T23] R13: 00000000004025d0 R14: 0000000000000000 R15: 0000000000000000 [ 945.989214][ T23] INFO: task syz-executor121:1733 blocked for more than 144 seconds. [ 945.997592][ T23] Not tainted 5.3.0-rc2+ #25 [ 946.002905][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 946.011844][ T23] syz-executor121 D28376 1733 1725 0x80000002 [ 946.018298][ T23] Call Trace: [ 946.021751][ T23] ? __schedule+0x703/0x1440 [ 946.026714][ T23] ? __sched_text_start+0x8/0x8 [ 946.032132][ T23] ? prepare_to_wait_event+0x129/0x650 [ 946.037746][ T23] schedule+0x9a/0x250 [ 946.042069][ T23] wdm_flush+0x20c/0x370 [ 946.046312][ T23] ? wdm_poll+0x280/0x280 [ 946.050784][ T23] ? finish_wait+0x260/0x260 [ 946.055460][ T23] ? task_work_add+0x97/0x120 [ 946.060146][ T23] ? wdm_poll+0x280/0x280 [ 946.064737][ T23] filp_close+0xb4/0x160 [ 946.069069][ T23] put_files_struct+0x1d8/0x2e0 [ 946.074005][ T23] exit_files+0x7e/0xa0 [ 946.078169][ T23] do_exit+0x8bc/0x2c50 [ 946.082398][ T23] ? mm_update_next_owner+0x630/0x630 [ 946.087981][ T23] ? up_read+0x143/0x510 [ 946.092322][ T23] ? down_read_non_owner+0x440/0x440 [ 946.097806][ T23] ? handle_mm_fault+0x30f/0x900 [ 946.102803][ T23] do_group_exit+0x125/0x340 [ 946.107463][ T23] __x64_sys_exit_group+0x3a/0x50 [ 946.112660][ T23] do_syscall_64+0xb7/0x580 [ 946.117169][ T23] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 946.123507][ T23] RIP: 0033:0x440438 [ 946.127584][ T23] Code: 61 74 68 3e 5d 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 5b 2d 75 3c 6e 75 6d 62 65 72 3e 5d 0a 54 6f 20 72 75 6e 20 <72> 73 79 73 6c 6f 67 64 20 69 6e 20 6e 61 74 69 76 65 20 6d 6f 64 [ 946.147574][ T23] RSP: 002b:00007ffd59c75e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 946.156170][ T23] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440438 [ 946.164218][ T23] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 946.172233][ T23] RBP: 00000000004bff70 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 946.180228][ T23] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 946.188377][ T23] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 946.196393][ T23] INFO: task syz-executor121:1734 blocked for more than 144 seconds. [ 946.204792][ T23] Not tainted 5.3.0-rc2+ #25 [ 946.209902][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 946.219026][ T23] syz-executor121 D28248 1734 1729 0x80004006 [ 946.225752][ T23] Call Trace: [ 946.229230][ T23] ? __schedule+0x703/0x1440 [ 946.233866][ T23] ? __sched_text_start+0x8/0x8 [ 946.238715][ T23] ? prepare_to_wait_event+0x129/0x650 [ 946.244454][ T23] schedule+0x9a/0x250 [ 946.259205][ T23] wdm_flush+0x20c/0x370 [ 946.263582][ T23] ? wdm_poll+0x280/0x280 [ 946.268105][ T23] ? finish_wait+0x260/0x260 [ 946.272782][ T23] ? task_work_add+0x97/0x120 [ 946.277467][ T23] ? wdm_poll+0x280/0x280 [ 946.281873][ T23] filp_close+0xb4/0x160 [ 946.286119][ T23] put_files_struct+0x1d8/0x2e0 [ 946.291614][ T23] exit_files+0x7e/0xa0 [ 946.296116][ T23] do_exit+0x8bc/0x2c50 [ 946.300436][ T23] ? find_held_lock+0x2d/0x110 [ 946.305288][ T23] ? mm_update_next_owner+0x630/0x630 [ 946.311150][ T23] ? lock_downgrade+0x6e0/0x6e0 [ 946.316289][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 946.322044][ T23] do_group_exit+0x125/0x340 [ 946.326685][ T23] get_signal+0x466/0x23d0 [ 946.331306][ T23] ? kfree+0x28c/0x2f0 [ 946.335744][ T23] ? wdm_write+0x1c2/0xd87 [ 946.340289][ T23] do_signal+0x88/0x14e0 [ 946.344794][ T23] ? finish_wait+0x260/0x260 [ 946.349570][ T23] ? lock_downgrade+0x6e0/0x6e0 [ 946.354580][ T23] ? handle_mm_fault+0x1d5/0x900 [ 946.359640][ T23] ? setup_sigcontext+0x820/0x820 [ 946.365145][ T23] ? wdm_int_callback+0x4c0/0x4c0 [ 946.370459][ T23] ? __vfs_write+0x7e/0x100 [ 946.375018][ T23] ? vfs_write+0x15b/0x5c0 [ 946.379439][ T23] ? ksys_write+0x19f/0x250 [ 946.384123][ T23] ? __ia32_sys_read+0xb0/0xb0 [ 946.389051][ T23] exit_to_usermode_loop+0x1a2/0x200 [ 946.394485][ T23] do_syscall_64+0x45f/0x580 [ 946.399087][ T23] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 946.405072][ T23] RIP: 0033:0x4417e9 [ 946.409111][ T23] Code: 65 64 2e 0a 44 69 64 20 79 6f 75 20 64 6f 20 61 20 22 6d 61 6b 65 20 69 6e 73 74 61 6c 6c 22 3f 0a 53 75 67 67 65 73 74 65 64 <20> 61 63 74 69 6f 6e 3a 20 72 75 6e 20 72 73 79 73 6c 6f 67 64 20 [ 946.428841][ T23] RSP: 002b:00007ffd59c75ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 946.437577][ T23] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00000000004417e9 [ 946.445756][ T23] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 946.454187][ T23] RBP: 00000000006cc018 R08: 000000000000000f R09: 00000000004002c8 [ 946.462470][ T23] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402540 [ 946.470437][ T23] R13: 00000000004025d0 R14: 0000000000000000 R15: 0000000000000000 [ 946.478730][ T23] INFO: task syz-executor121:1736 blocked for more than 144 seconds. [ 946.487031][ T23] Not tainted 5.3.0-rc2+ #25 [ 946.492350][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 946.501143][ T23] syz-executor121 D28520 1736 1727 0x80004006 [ 946.507521][ T23] Call Trace: [ 946.510803][ T23] ? __schedule+0x703/0x1440 [ 946.515527][ T23] ? __sched_text_start+0x8/0x8 [ 946.520549][ T23] ? prepare_to_wait_event+0x129/0x650 [ 946.526096][ T23] schedule+0x9a/0x250 [ 946.530156][ T23] wdm_flush+0x20c/0x370 [ 946.534519][ T23] ? wdm_poll+0x280/0x280 [ 946.538843][ T23] ? finish_wait+0x260/0x260 [ 946.543499][ T23] ? task_work_add+0x97/0x120 [ 946.548168][ T23] ? wdm_poll+0x280/0x280 [ 946.552558][ T23] filp_close+0xb4/0x160 [ 946.556831][ T23] put_files_struct+0x1d8/0x2e0 [ 946.561737][ T23] exit_files+0x7e/0xa0 [ 946.565886][ T23] do_exit+0x8bc/0x2c50 [ 946.570125][ T23] ? find_held_lock+0x2d/0x110 [ 946.575035][ T23] ? mm_update_next_owner+0x630/0x630 [ 946.580434][ T23] ? lock_downgrade+0x6e0/0x6e0 [ 946.585374][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 946.590574][ T23] do_group_exit+0x125/0x340 [ 946.595212][ T23] get_signal+0x466/0x23d0 [ 946.599620][ T23] ? kfree+0x28c/0x2f0 [ 946.603747][ T23] ? wdm_write+0x1c2/0xd87 [ 946.608157][ T23] do_signal+0x88/0x14e0 [ 946.612654][ T23] ? finish_wait+0x260/0x260 [ 946.617270][ T23] ? lock_downgrade+0x6e0/0x6e0 [ 946.622250][ T23] ? handle_mm_fault+0x1d5/0x900 [ 946.627443][ T23] ? setup_sigcontext+0x820/0x820 [ 946.632523][ T23] ? wdm_int_callback+0x4c0/0x4c0 [ 946.637721][ T23] ? __vfs_write+0x7e/0x100 [ 946.642601][ T23] ? vfs_write+0x15b/0x5c0 [ 946.647009][ T23] ? ksys_write+0x19f/0x250 [ 946.651652][ T23] ? __ia32_sys_read+0xb0/0xb0 [ 946.656503][ T23] exit_to_usermode_loop+0x1a2/0x200 [ 946.661835][ T23] do_syscall_64+0x45f/0x580 [ 946.666432][ T23] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 946.672369][ T23] RIP: 0033:0x4417e9 [ 946.676250][ T23] Code: 65 64 2e 0a 44 69 64 20 79 6f 75 20 64 6f 20 61 20 22 6d 61 6b 65 20 69 6e 73 74 61 6c 6c 22 3f 0a 53 75 67 67 65 73 74 65 64 <20> 61 63 74 69 6f 6e 3a 20 72 75 6e 20 72 73 79 73 6c 6f 67 64 20 [ 946.696125][ T23] RSP: 002b:00007ffd59c75ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 946.704561][ T23] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00000000004417e9 [ 946.713208][ T23] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 946.721415][ T23] RBP: 00000000006cc018 R08: 000000000000000f R09: 00000000004002c8 [ 946.729650][ T23] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402540 [ 946.737677][ T23] R13: 00000000004025d0 R14: 0000000000000000 R15: 0000000000000000 [ 946.745789][ T23] [ 946.745789][ T23] Showing all locks held in the system: [ 946.753611][ T23] 1 lock held by khungtaskd/23: [ 946.758489][ T23] #0: 00000000743497a3 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x269 [ 946.768119][ T23] 1 lock held by rsyslogd/1602: [ 946.772992][ T23] #0: 00000000988125b0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xe3/0x100 [ 946.781801][ T23] 2 locks held by getty/1693: [ 946.786491][ T23] #0: 0000000047c29258 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 946.795979][ T23] #1: 00000000527dfb3a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 946.805608][ T23] 2 locks held by getty/1694: [ 946.810264][ T23] #0: 000000003a351c46 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 946.819792][ T23] #1: 00000000d8d75c5b (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 946.829707][ T23] 2 locks held by getty/1695: [ 946.834446][ T23] #0: 00000000e15b15bf (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 946.843799][ T23] #1: 000000004d294c18 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 946.853579][ T23] 2 locks held by getty/1696: [ 946.858510][ T23] #0: 0000000051d028a3 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 946.868007][ T23] #1: 0000000038c23150 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 946.877944][ T23] 2 locks held by getty/1697: [ 946.882691][ T23] #0: 000000001b33f7ab (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 946.892082][ T23] #1: 00000000f5955915 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 946.902256][ T23] 2 locks held by getty/1698: [ 946.906954][ T23] #0: 000000007ef217e0 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 946.916393][ T23] #1: 00000000bc876517 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 946.926458][ T23] 2 locks held by getty/1699: [ 946.931291][ T23] #0: 000000000ee3efd4 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 946.940836][ T23] #1: 000000006bc64f89 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 946.950525][ T23] [ 946.953063][ T23] ============================================= [ 946.953063][ T23] [ 946.962105][ T23] NMI backtrace for cpu 0 [ 946.966656][ T23] CPU: 0 PID: 23 Comm: khungtaskd Not tainted 5.3.0-rc2+ #25 [ 946.974085][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 946.984954][ T23] Call Trace: [ 946.988775][ T23] dump_stack+0xca/0x13e [ 946.993533][ T23] ? nmi_raise_cpu_backtrace+0x1/0x70 [ 946.999115][ T23] nmi_cpu_backtrace.cold+0x55/0x96 [ 947.004368][ T23] ? lapic_can_unplug_cpu.cold+0x3f/0x3f [ 947.011050][ T23] nmi_trigger_cpumask_backtrace+0x1b0/0x1c7 [ 947.017854][ T23] watchdog+0x9a4/0xe50 [ 947.022237][ T23] ? reset_hung_task_detector+0x30/0x30 [ 947.028957][ T23] kthread+0x318/0x420 [ 947.033265][ T23] ? kthread_create_on_node+0xf0/0xf0 [ 947.039015][ T23] ret_from_fork+0x24/0x30 [ 947.044118][ T23] Sending NMI from CPU 0 to CPUs 1: [ 947.049829][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0x28/0x2e0 [ 947.050648][ T23] Kernel panic - not syncing: hung_task: blocked tasks [ 947.065337][ T23] CPU: 0 PID: 23 Comm: khungtaskd Not tainted 5.3.0-rc2+ #25 [ 947.072810][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 947.083007][ T23] Call Trace: [ 947.086299][ T23] dump_stack+0xca/0x13e [ 947.090830][ T23] panic+0x2a3/0x6da [ 947.094920][ T23] ? add_taint.cold+0x16/0x16 [ 947.100357][ T23] ? cpumask_next+0x1f/0x30 [ 947.105134][ T23] ? printk_safe_flush+0xd9/0x120 [ 947.110303][ T23] ? watchdog+0x9a4/0xe50 [ 947.114626][ T23] ? nmi_trigger_cpumask_backtrace+0x168/0x1c7 [ 947.120979][ T23] watchdog+0x9b5/0xe50 [ 947.125134][ T23] ? reset_hung_task_detector+0x30/0x30 [ 947.130677][ T23] kthread+0x318/0x420 [ 947.135034][ T23] ? kthread_create_on_node+0xf0/0xf0 [ 947.140740][ T23] ret_from_fork+0x24/0x30 [ 947.146325][ T23] Kernel Offset: disabled [ 947.150783][ T23] Rebooting in 86400 seconds..