[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.46' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 731.105526][ T20] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 731.115448][ T2432] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 731.117864][ T25] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 731.135490][ T7] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 731.143180][ T6572] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 731.150773][ T6576] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 731.345511][ T20] usb 2-1: Using ep0 maxpacket: 8 [ 731.365625][ T25] usb 3-1: Using ep0 maxpacket: 8 [ 731.376317][ T2432] usb 1-1: Using ep0 maxpacket: 8 [ 731.425646][ T6572] usb 6-1: Using ep0 maxpacket: 8 [ 731.430895][ T7] usb 5-1: Using ep0 maxpacket: 8 [ 731.436125][ T6576] usb 4-1: Using ep0 maxpacket: 8 [ 731.465606][ T20] usb 2-1: config 29 has an invalid interface number: 229 but max is 2 [ 731.474113][ T20] usb 2-1: config 29 has an invalid interface number: 212 but max is 2 [ 731.483899][ T20] usb 2-1: config 29 contains an unexpected descriptor of type 0x2, skipping [ 731.493786][ T25] usb 3-1: config 29 has an invalid interface number: 229 but max is 2 [ 731.502249][ T20] usb 2-1: config 29 has an invalid interface number: 255 but max is 2 [ 731.511934][ T25] usb 3-1: config 29 has an invalid interface number: 212 but max is 2 [ 731.521322][ T20] usb 2-1: config 29 has no interface number 0 [ 731.526067][ T2432] usb 1-1: config 29 has an invalid interface number: 229 but max is 2 [ 731.536263][ T2432] usb 1-1: config 29 has an invalid interface number: 212 but max is 2 [ 731.538289][ T25] usb 3-1: config 29 contains an unexpected descriptor of type 0x2, skipping [ 731.544758][ T2432] usb 1-1: config 29 contains an unexpected descriptor of type 0x2, skipping [ 731.562297][ T20] usb 2-1: config 29 has no interface number 1 [ 731.562322][ T20] usb 2-1: config 29 has no interface number 2 [ 731.562372][ T20] usb 2-1: config 29 interface 212 altsetting 3 bulk endpoint 0x5 has invalid maxpacket 1024 [ 731.569220][ T2432] usb 1-1: config 29 has an invalid interface number: 255 but max is 2 [ 731.577719][ T20] usb 2-1: config 29 interface 212 altsetting 3 endpoint 0xF has invalid maxpacket 1023, setting to 64 [ 731.585661][ T6572] usb 6-1: config 29 has an invalid interface number: 229 but max is 2 [ 731.595130][ T25] usb 3-1: config 29 has an invalid interface number: 255 but max is 2 [ 731.604449][ T7] usb 5-1: config 29 has an invalid interface number: 229 but max is 2 [ 731.614439][ T20] usb 2-1: config 29 interface 212 altsetting 3 has a duplicate endpoint with address 0x5, skipping [ 731.620994][ T6576] usb 4-1: config 29 has an invalid interface number: 229 but max is 2 [ 731.621020][ T6576] usb 4-1: config 29 has an invalid interface number: 212 but max is 2 [ 731.621043][ T6576] usb 4-1: config 29 contains an unexpected descriptor of type 0x2, skipping [ 731.632674][ T25] usb 3-1: config 29 has no interface number 0 [ 731.640257][ T2432] usb 1-1: config 29 has no interface number 0 [ 731.650620][ T20] usb 2-1: config 29 interface 212 altsetting 3 endpoint 0xE has invalid maxpacket 1023, setting to 64 [ 731.656813][ T7] usb 5-1: config 29 has an invalid interface number: 212 but max is 2 [ 731.678276][ T25] usb 3-1: config 29 has no interface number 1 [ 731.689125][ T6572] usb 6-1: config 29 has an invalid interface number: 212 but max is 2 [ 731.711967][ T6576] usb 4-1: config 29 has an invalid interface number: 255 but max is 2 [ 731.712003][ T20] usb 2-1: config 29 interface 255 altsetting 63 has a duplicate endpoint with address 0xE, skipping [ 731.720390][ T6576] usb 4-1: config 29 has no interface number 0 [ 731.734332][ T25] usb 3-1: config 29 has no interface number 2 [ 731.737626][ T2432] usb 1-1: config 29 has no interface number 1 [ 731.745843][ T25] usb 3-1: config 29 interface 212 altsetting 3 bulk endpoint 0x5 has invalid maxpacket 1024 [ 731.750152][ T6572] usb 6-1: config 29 contains an unexpected descriptor of type 0x2, skipping [ 731.762819][ T20] usb 2-1: config 29 interface 255 altsetting 63 bulk endpoint 0x8 has invalid maxpacket 32 [ 731.769177][ T6576] usb 4-1: config 29 has no interface number 1 [ 731.781127][ T25] usb 3-1: config 29 interface 212 altsetting 3 endpoint 0xF has invalid maxpacket 1023, setting to 64 [ 731.785595][ T2432] usb 1-1: config 29 has no interface number 2 [ 731.798699][ T20] usb 2-1: config 29 interface 229 has no altsetting 0 [ 731.802889][ T7] usb 5-1: config 29 contains an unexpected descriptor of type 0x2, skipping [ 731.811673][ T25] usb 3-1: config 29 interface 212 altsetting 3 has a duplicate endpoint with address 0x5, skipping [ 731.818758][ T2432] usb 1-1: config 29 interface 212 altsetting 3 bulk endpoint 0x5 has invalid maxpacket 1024 [ 731.839835][ T6572] usb 6-1: config 29 has an invalid interface number: 255 but max is 2 [ 731.839979][ T20] usb 2-1: config 29 interface 212 has no altsetting 0 [ 731.848299][ T6576] usb 4-1: config 29 has no interface number 2 [ 731.848420][ T6576] usb 4-1: config 29 interface 212 altsetting 3 bulk endpoint 0x5 has invalid maxpacket 1024 [ 731.871843][ T7] usb 5-1: config 29 has an invalid interface number: 255 but max is 2 [ 731.871903][ T20] usb 2-1: config 29 interface 255 has no altsetting 0 [ 731.880327][ T6572] usb 6-1: config 29 has no interface number 0 [ 731.889880][ T25] usb 3-1: config 29 interface 212 altsetting 3 endpoint 0xE has invalid maxpacket 1023, setting to 64 [ 731.893518][ T7] usb 5-1: config 29 has no interface number 0 [ 731.906607][ T25] usb 3-1: config 29 interface 255 altsetting 63 has a duplicate endpoint with address 0xE, skipping [ 731.910852][ T6572] usb 6-1: config 29 has no interface number 1 [ 731.923644][ T25] usb 3-1: config 29 interface 255 altsetting 63 bulk endpoint 0x8 has invalid maxpacket 32 [ 731.927889][ T2432] usb 1-1: config 29 interface 212 altsetting 3 endpoint 0xF has invalid maxpacket 1023, setting to 64 [ 731.927925][ T2432] usb 1-1: config 29 interface 212 altsetting 3 has a duplicate endpoint with address 0x5, skipping [ 731.940825][ T25] usb 3-1: config 29 interface 229 has no altsetting 0 [ 731.949240][ T6576] usb 4-1: config 29 interface 212 altsetting 3 endpoint 0xF has invalid maxpacket 1023, setting to 64 [ 731.949275][ T6576] usb 4-1: config 29 interface 212 altsetting 3 has a duplicate endpoint with address 0x5, skipping [ 731.949301][ T6576] usb 4-1: config 29 interface 212 altsetting 3 endpoint 0xE has invalid maxpacket 1023, setting to 64 [ 731.964419][ T25] usb 3-1: config 29 interface 212 has no altsetting 0 [ 731.967211][ T7] usb 5-1: config 29 has no interface number 1 [ 732.007142][ T25] usb 3-1: config 29 interface 255 has no altsetting 0 [ 732.013303][ T6572] usb 6-1: config 29 has no interface number 2 [ 732.026469][ T2432] usb 1-1: config 29 interface 212 altsetting 3 endpoint 0xE has invalid maxpacket 1023, setting to 64 [ 732.037675][ T6576] usb 4-1: config 29 interface 255 altsetting 63 has a duplicate endpoint with address 0xE, skipping [ 732.049107][ T6572] usb 6-1: config 29 interface 212 altsetting 3 bulk endpoint 0x5 has invalid maxpacket 1024 [ 732.059457][ T2432] usb 1-1: config 29 interface 255 altsetting 63 has a duplicate endpoint with address 0xE, skipping [ 732.070576][ T6576] usb 4-1: config 29 interface 255 altsetting 63 bulk endpoint 0x8 has invalid maxpacket 32 [ 732.075460][ T20] usb 2-1: New USB device found, idVendor=0711, idProduct=0903, bcdDevice=66.1d [ 732.081146][ T6572] usb 6-1: config 29 interface 212 altsetting 3 endpoint 0xF has invalid maxpacket 1023, setting to 64 [ 732.092609][ T20] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 732.101317][ T2432] usb 1-1: config 29 interface 255 altsetting 63 bulk endpoint 0x8 has invalid maxpacket 32 [ 732.111642][ T20] usb 2-1: Product: syz [ 732.119469][ T6576] usb 4-1: config 29 interface 229 has no altsetting 0 [ 732.119495][ T6576] usb 4-1: config 29 interface 212 has no altsetting 0 [ 732.119517][ T6576] usb 4-1: config 29 interface 255 has no altsetting 0 [ 732.127085][ T20] usb 2-1: Manufacturer: syz [ 732.130679][ T7] usb 5-1: config 29 has no interface number 2 [ 732.155343][ T6572] usb 6-1: config 29 interface 212 altsetting 3 has a duplicate endpoint with address 0x5, skipping [ 732.166436][ T20] usb 2-1: SerialNumber: syz [ 732.171584][ T2432] usb 1-1: config 29 interface 229 has no altsetting 0 [ 732.178571][ T2432] usb 1-1: config 29 interface 212 has no altsetting 0 [ 732.185584][ T25] usb 3-1: New USB device found, idVendor=0711, idProduct=0903, bcdDevice=66.1d [ 732.185832][ T7] usb 5-1: config 29 interface 212 altsetting 3 bulk endpoint 0x5 has invalid maxpacket 1024 [ 732.194678][ T25] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 732.194704][ T25] usb 3-1: Product: syz [ 732.204930][ T6572] usb 6-1: config 29 interface 212 altsetting 3 endpoint 0xE has invalid maxpacket 1023, setting to 64 [ 732.222712][ T25] usb 3-1: Manufacturer: syz [ 732.232738][ T2432] usb 1-1: config 29 interface 255 has no altsetting 0 [ 732.234805][ T25] usb 3-1: SerialNumber: syz [ 732.257381][ T7] usb 5-1: config 29 interface 212 altsetting 3 endpoint 0xF has invalid maxpacket 1023, setting to 64 [ 732.274255][ T6572] usb 6-1: config 29 interface 255 altsetting 63 has a duplicate endpoint with address 0xE, skipping [ 732.291493][ T7] usb 5-1: config 29 interface 212 altsetting 3 has a duplicate endpoint with address 0x5, skipping [ 732.309232][ T6572] usb 6-1: config 29 interface 255 altsetting 63 bulk endpoint 0x8 has invalid maxpacket 32 [ 732.327555][ T7] usb 5-1: config 29 interface 212 altsetting 3 endpoint 0xE has invalid maxpacket 1023, setting to 64 [ 732.339105][ T6576] usb 4-1: New USB device found, idVendor=0711, idProduct=0903, bcdDevice=66.1d [ 732.348477][ T6572] usb 6-1: config 29 interface 229 has no altsetting 0 [ 732.355569][ T6576] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 732.363705][ T6572] usb 6-1: config 29 interface 212 has no altsetting 0 [ 732.371259][ T7] usb 5-1: config 29 interface 255 altsetting 63 has a duplicate endpoint with address 0xE, skipping [ 732.382335][ T6576] usb 4-1: Product: syz [ 732.386840][ T6576] usb 4-1: Manufacturer: syz [ 732.391530][ T6572] usb 6-1: config 29 interface 255 has no altsetting 0 [ 732.398767][ T6576] usb 4-1: SerialNumber: syz [ 732.403513][ T7] usb 5-1: config 29 interface 255 altsetting 63 bulk endpoint 0x8 has invalid maxpacket 32 [ 732.416130][ T7] usb 5-1: config 29 interface 229 has no altsetting 0 [ 732.423148][ T7] usb 5-1: config 29 interface 212 has no altsetting 0 executing program executing program [ 732.430697][ T2432] usb 1-1: New USB device found, idVendor=0711, idProduct=0903, bcdDevice=66.1d [ 732.440189][ T7] usb 5-1: config 29 interface 255 has no altsetting 0 [ 732.447475][ T2432] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 732.460607][ T2432] usb 1-1: Product: syz [ 732.467095][ T2432] usb 1-1: Manufacturer: syz [ 732.467118][ T2432] usb 1-1: SerialNumber: syz [ 732.497993][ T20] usb 2-1: USB2VGA dongle found at address 2 [ 732.514054][ T20] usb 2-1: Allocated 8 output buffers [ 732.527631][ T25] usb 3-1: USB2VGA dongle found at address 2 [ 732.529324][ T25] usb 3-1: Allocated 8 output buffers [ 732.585701][ T6572] usb 6-1: New USB device found, idVendor=0711, idProduct=0903, bcdDevice=66.1d executing program [ 732.585736][ T6572] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 executing program [ 732.585761][ T6572] usb 6-1: Product: syz [ 732.585779][ T6572] usb 6-1: Manufacturer: syz [ 732.585798][ T6572] usb 6-1: SerialNumber: syz [ 732.665602][ T7] usb 5-1: New USB device found, idVendor=0711, idProduct=0903, bcdDevice=66.1d executing program [ 732.665637][ T7] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 executing program [ 732.665662][ T7] usb 5-1: Product: syz [ 732.665682][ T7] usb 5-1: Manufacturer: syz [ 732.665700][ T7] usb 5-1: SerialNumber: syz [ 732.687033][ T6576] usb 4-1: USB2VGA dongle found at address 2 [ 732.689301][ T6576] usb 4-1: Allocated 8 output buffers [ 732.737231][ T2432] usb 1-1: USB2VGA dongle found at address 2 [ 732.739582][ T2432] usb 1-1: Allocated 8 output buffers [ 732.877057][ T6572] usb 6-1: USB2VGA dongle found at address 2 [ 732.953597][ T7] usb 5-1: USB2VGA dongle found at address 2 [ 732.979472][ T7] usb 5-1: Allocated 8 output buffers [ 733.041023][ T6572] usb 6-1: Allocated 8 output buffers 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 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 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 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 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 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 828.258658][ T25] usb 3-1: Failed to early initialize device [ 828.265636][ T20] usb 2-1: Failed to early initialize device [ 828.310150][ T25] usb 3-1: USB2VGA dongle found at address 2 [ 828.318092][ T20] usb 2-1: USB2VGA dongle found at address 2 [ 828.327531][ T25] usb 3-1: Allocated 8 output buffers [ 828.335306][ T20] usb 2-1: Allocated 8 output buffers [ 828.418620][ T6576] usb 4-1: Failed to early initialize device [ 828.464172][ T6576] usb 4-1: USB2VGA dongle found at address 2 [ 828.473225][ T6576] usb 4-1: Allocated 8 output buffers [ 828.498626][ T2432] usb 1-1: Failed to early initialize device [ 828.540292][ T2432] usb 1-1: USB2VGA dongle found at address 2 [ 828.548028][ T2432] usb 1-1: Allocated 8 output buffers [ 828.748549][ T7] usb 5-1: Failed to early initialize device [ 828.800175][ T7] usb 5-1: USB2VGA dongle found at address 2 [ 828.809562][ T7] usb 5-1: Allocated 8 output buffers [ 828.818778][ T6572] usb 6-1: Failed to early initialize device [ 828.870245][ T6572] usb 6-1: USB2VGA dongle found at address 2 [ 828.877968][ T6572] usb 6-1: Allocated 8 output buffers executing program executing program executing program executing program executing program executing program [ 924.092462][ T20] usb 2-1: Failed to early initialize device [ 924.098639][ T25] usb 3-1: Failed to early initialize device [ 924.163964][ T25] usb 3-1: USB2VGA dongle found at address 2 [ 924.171388][ T20] usb 2-1: USB2VGA dongle found at address 2 [ 924.252486][ T6576] usb 4-1: Failed to early initialize device [ 924.323907][ T6576] usb 4-1: USB2VGA dongle found at address 2 [ 924.335961][ T2432] usb 1-1: Failed to early initialize device [ 924.404099][ T2432] usb 1-1: USB2VGA dongle found at address 2 [ 924.572393][ T7] usb 5-1: Failed to early initialize device [ 924.643965][ T7] usb 5-1: USB2VGA dongle found at address 2 [ 924.652636][ T6572] usb 6-1: Failed to early initialize device [ 924.717165][ T6572] usb 6-1: USB2VGA dongle found at address 2 executing program [ 933.372279][ T7121] usb 2-1: Failed to initialize device [ 982.328894][ T27] INFO: task syz-executor259:7127 blocked for more than 143 seconds. [ 982.337081][ T27] Not tainted 5.15.0-rc7-syzkaller #0 [ 982.344037][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 982.352837][ T27] task:syz-executor259 state:D stack:28152 pid: 7127 ppid: 6559 flags:0x00000004 [ 982.362258][ T27] Call Trace: [ 982.365602][ T27] __schedule+0xb44/0x5960 [ 982.370230][ T27] ? find_held_lock+0x2d/0x110 [ 982.375091][ T27] ? __mutex_lock+0x930/0x12f0 [ 982.380033][ T27] ? io_schedule_timeout+0x140/0x140 [ 982.385339][ T27] schedule+0xd3/0x270 [ 982.389679][ T27] schedule_preempt_disabled+0xf/0x20 [ 982.395066][ T27] __mutex_lock+0xa34/0x12f0 [ 982.399785][ T27] ? usb_free_coherent+0x80/0x80 [ 982.404773][ T27] ? sisusb_open+0xb2/0x4d0 [ 982.409389][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 982.414948][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 982.421398][ T27] ? kobject_put+0xb9/0x540 [ 982.425966][ T27] ? __usb_get_extra_descriptor+0x1a0/0x1a0 [ 982.432015][ T27] sisusb_open+0xb2/0x4d0 [ 982.436373][ T27] ? sisusb_init_gfxdevice+0x4000/0x4000 [ 982.442143][ T27] usb_open+0x204/0x2e0 [ 982.446377][ T27] ? usb_devnode+0xa0/0xa0 [ 982.450868][ T27] chrdev_open+0x266/0x770 [ 982.455344][ T27] ? cdev_device_add+0x210/0x210 [ 982.460455][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 982.465945][ T27] do_dentry_open+0x4c8/0x11d0 [ 982.470853][ T27] ? cdev_device_add+0x210/0x210 [ 982.475798][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 982.482171][ T27] ? may_open+0x1f6/0x420 [ 982.486537][ T27] path_openat+0x1c9a/0x2740 [ 982.491245][ T27] ? path_lookupat+0x860/0x860 [ 982.496019][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 982.502230][ T27] do_filp_open+0x1aa/0x400 [ 982.506752][ T27] ? may_open_dev+0xf0/0xf0 [ 982.511335][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 982.516282][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 982.522719][ T27] ? _find_next_bit+0x1e3/0x260 [ 982.527672][ T27] ? _raw_spin_unlock+0x24/0x40 [ 982.532593][ T27] ? alloc_fd+0x2f0/0x670 [ 982.536964][ T27] do_sys_openat2+0x16d/0x4d0 [ 982.541777][ T27] ? build_open_flags+0x6f0/0x6f0 [ 982.546833][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 982.552392][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 982.557263][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 982.562264][ T27] __x64_sys_openat+0x13f/0x1f0 [ 982.567128][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 982.572129][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 982.578051][ T27] do_syscall_64+0x35/0xb0 [ 982.582624][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 982.588545][ T27] RIP: 0033:0x7f10c35645d7 [ 982.593048][ T27] RSP: 002b:00007fffd449b720 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 982.601806][ T27] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f10c35645d7 [ 982.609886][ T27] RDX: 0000000000000002 RSI: 00007fffd449b7a0 RDI: 00000000ffffff9c [ 982.617957][ T27] RBP: 00007fffd449b7a0 R08: 0000000000000000 R09: 000000000000000f [ 982.626074][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 982.634119][ T27] R13: 00007fffd449b83c R14: 00007fffd449b850 R15: 00007fffd449b840 [ 982.642325][ T27] INFO: task syz-executor259:7129 blocked for more than 143 seconds. [ 982.650525][ T27] Not tainted 5.15.0-rc7-syzkaller #0 [ 982.656445][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 982.665207][ T27] task:syz-executor259 state:D stack:27888 pid: 7129 ppid: 6555 flags:0x00004004 [ 982.674509][ T27] Call Trace: [ 982.677799][ T27] __schedule+0xb44/0x5960 [ 982.682289][ T27] ? find_held_lock+0x2d/0x110 [ 982.687064][ T27] ? __mutex_lock+0x930/0x12f0 [ 982.691904][ T27] ? io_schedule_timeout+0x140/0x140 [ 982.697203][ T27] schedule+0xd3/0x270 [ 982.701362][ T27] schedule_preempt_disabled+0xf/0x20 [ 982.706808][ T27] __mutex_lock+0xa34/0x12f0 [ 982.711550][ T27] ? usb_free_coherent+0x80/0x80 [ 982.716497][ T27] ? sisusb_open+0xb2/0x4d0 [ 982.721097][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 982.726651][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 982.732984][ T27] ? kobject_put+0xb9/0x540 [ 982.737512][ T27] ? __usb_get_extra_descriptor+0x1a0/0x1a0 [ 982.743525][ T27] sisusb_open+0xb2/0x4d0 [ 982.747880][ T27] ? sisusb_init_gfxdevice+0x4000/0x4000 [ 982.753614][ T27] usb_open+0x204/0x2e0 [ 982.757777][ T27] ? usb_devnode+0xa0/0xa0 [ 982.762267][ T27] chrdev_open+0x266/0x770 [ 982.766691][ T27] ? cdev_device_add+0x210/0x210 [ 982.771804][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 982.777195][ T27] do_dentry_open+0x4c8/0x11d0 [ 982.782055][ T27] ? cdev_device_add+0x210/0x210 [ 982.787002][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 982.793311][ T27] ? may_open+0x1f6/0x420 [ 982.797649][ T27] path_openat+0x1c9a/0x2740 [ 982.802328][ T27] ? path_lookupat+0x860/0x860 [ 982.807107][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 982.813342][ T27] do_filp_open+0x1aa/0x400 [ 982.817947][ T27] ? may_open_dev+0xf0/0xf0 [ 982.822572][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 982.827540][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 982.833835][ T27] ? _find_next_bit+0x1e3/0x260 [ 982.838795][ T27] ? _raw_spin_unlock+0x24/0x40 [ 982.843667][ T27] ? alloc_fd+0x2f0/0x670 [ 982.847993][ T27] do_sys_openat2+0x16d/0x4d0 [ 982.852744][ T27] ? build_open_flags+0x6f0/0x6f0 [ 982.857783][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 982.863351][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 982.868214][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 982.873161][ T27] __x64_sys_openat+0x13f/0x1f0 [ 982.878024][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 982.883086][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 982.889113][ T27] do_syscall_64+0x35/0xb0 [ 982.893542][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 982.899591][ T27] RIP: 0033:0x7f10c35645d7 [ 982.904012][ T27] RSP: 002b:00007fffd449b720 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 982.912502][ T27] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f10c35645d7 [ 982.920581][ T27] RDX: 0000000000000002 RSI: 00007fffd449b7a0 RDI: 00000000ffffff9c [ 982.928619][ T27] RBP: 00007fffd449b7a0 R08: 0000000000000000 R09: 000000000000000f [ 982.936601][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 982.944702][ T27] R13: 00007fffd449b83c R14: 00007fffd449b850 R15: 00007fffd449b840 [ 982.952776][ T27] INFO: task syz-executor259:7133 blocked for more than 143 seconds. [ 982.960958][ T27] Not tainted 5.15.0-rc7-syzkaller #0 [ 982.966847][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 982.975562][ T27] task:syz-executor259 state:D stack:28152 pid: 7133 ppid: 6561 flags:0x00004004 [ 982.984895][ T27] Call Trace: [ 982.988187][ T27] __schedule+0xb44/0x5960 [ 982.992714][ T27] ? find_held_lock+0x2d/0x110 [ 982.997501][ T27] ? __mutex_lock+0x930/0x12f0 [ 983.002386][ T27] ? io_schedule_timeout+0x140/0x140 [ 983.007698][ T27] schedule+0xd3/0x270 [ 983.011819][ T27] schedule_preempt_disabled+0xf/0x20 [ 983.017224][ T27] __mutex_lock+0xa34/0x12f0 [ 983.022077][ T27] ? usb_free_coherent+0x80/0x80 [ 983.027033][ T27] ? sisusb_open+0xb2/0x4d0 [ 983.031601][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 983.037175][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 983.043511][ T27] ? kobject_put+0xb9/0x540 [ 983.048036][ T27] ? __usb_get_extra_descriptor+0x1a0/0x1a0 [ 983.054021][ T27] sisusb_open+0xb2/0x4d0 [ 983.058378][ T27] ? sisusb_init_gfxdevice+0x4000/0x4000 [ 983.064101][ T27] usb_open+0x204/0x2e0 [ 983.068269][ T27] ? usb_devnode+0xa0/0xa0 [ 983.072760][ T27] chrdev_open+0x266/0x770 [ 983.077189][ T27] ? cdev_device_add+0x210/0x210 [ 983.082208][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 983.087638][ T27] do_dentry_open+0x4c8/0x11d0 [ 983.092463][ T27] ? cdev_device_add+0x210/0x210 [ 983.097413][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 983.103821][ T27] ? may_open+0x1f6/0x420 [ 983.108160][ T27] path_openat+0x1c9a/0x2740 [ 983.113112][ T27] ? path_lookupat+0x860/0x860 [ 983.117896][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 983.124030][ T27] do_filp_open+0x1aa/0x400 [ 983.128644][ T27] ? may_open_dev+0xf0/0xf0 [ 983.133260][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 983.138185][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 983.144494][ T27] ? _find_next_bit+0x1e3/0x260 [ 983.149426][ T27] ? _raw_spin_unlock+0x24/0x40 [ 983.154284][ T27] ? alloc_fd+0x2f0/0x670 [ 983.158690][ T27] do_sys_openat2+0x16d/0x4d0 [ 983.163372][ T27] ? build_open_flags+0x6f0/0x6f0 [ 983.168396][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 983.173914][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 983.178848][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 983.183721][ T27] __x64_sys_openat+0x13f/0x1f0 [ 983.188621][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 983.193568][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 983.199573][ T27] do_syscall_64+0x35/0xb0 [ 983.204015][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 983.209964][ T27] RIP: 0033:0x7f10c35645d7 [ 983.214381][ T27] RSP: 002b:00007fffd449b720 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 983.222871][ T27] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f10c35645d7 [ 983.231055][ T27] RDX: 0000000000000002 RSI: 00007fffd449b7a0 RDI: 00000000ffffff9c [ 983.239098][ T27] RBP: 00007fffd449b7a0 R08: 0000000000000000 R09: 000000000000000f [ 983.247079][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 983.255103][ T27] R13: 00007fffd449b83c R14: 00007fffd449b850 R15: 00007fffd449b840 [ 983.263221][ T27] INFO: task syz-executor259:7136 blocked for more than 144 seconds. [ 983.271345][ T27] Not tainted 5.15.0-rc7-syzkaller #0 [ 983.277254][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 983.286151][ T27] task:syz-executor259 state:D stack:28152 pid: 7136 ppid: 6560 flags:0x00000004 [ 983.295434][ T27] Call Trace: [ 983.298780][ T27] __schedule+0xb44/0x5960 [ 983.303210][ T27] ? find_held_lock+0x2d/0x110 [ 983.307964][ T27] ? __mutex_lock+0x930/0x12f0 [ 983.312775][ T27] ? io_schedule_timeout+0x140/0x140 [ 983.318072][ T27] schedule+0xd3/0x270 [ 983.322210][ T27] schedule_preempt_disabled+0xf/0x20 [ 983.327589][ T27] __mutex_lock+0xa34/0x12f0 [ 983.332223][ T27] ? usb_free_coherent+0x80/0x80 [ 983.337176][ T27] ? sisusb_open+0xb2/0x4d0 [ 983.341749][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 983.347304][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 983.353607][ T27] ? kobject_put+0xb9/0x540 [ 983.358123][ T27] ? __usb_get_extra_descriptor+0x1a0/0x1a0 [ 983.364094][ T27] sisusb_open+0xb2/0x4d0 [ 983.368436][ T27] ? sisusb_init_gfxdevice+0x4000/0x4000 [ 983.374116][ T27] usb_open+0x204/0x2e0 [ 983.378366][ T27] ? usb_devnode+0xa0/0xa0 [ 983.382872][ T27] chrdev_open+0x266/0x770 [ 983.387304][ T27] ? cdev_device_add+0x210/0x210 [ 983.392350][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 983.397750][ T27] do_dentry_open+0x4c8/0x11d0 [ 983.402934][ T27] ? cdev_device_add+0x210/0x210 [ 983.407896][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 983.414204][ T27] ? may_open+0x1f6/0x420 [ 983.418618][ T27] path_openat+0x1c9a/0x2740 [ 983.423247][ T27] ? path_lookupat+0x860/0x860 [ 983.428004][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 983.434070][ T27] do_filp_open+0x1aa/0x400 [ 983.438808][ T27] ? may_open_dev+0xf0/0xf0 [ 983.443315][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 983.448243][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 983.454606][ T27] ? _find_next_bit+0x1e3/0x260 [ 983.459541][ T27] ? _raw_spin_unlock+0x24/0x40 [ 983.464393][ T27] ? alloc_fd+0x2f0/0x670 [ 983.468811][ T27] do_sys_openat2+0x16d/0x4d0 [ 983.473515][ T27] ? build_open_flags+0x6f0/0x6f0 [ 983.478602][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 983.484071][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 983.489087][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 983.493951][ T27] __x64_sys_openat+0x13f/0x1f0 [ 983.498956][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 983.503921][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 983.510535][ T27] do_syscall_64+0x35/0xb0 [ 983.514966][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 983.520956][ T27] RIP: 0033:0x7f10c35645d7 [ 983.525383][ T27] RSP: 002b:00007fffd449b720 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 983.533889][ T27] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f10c35645d7 [ 983.541945][ T27] RDX: 0000000000000002 RSI: 00007fffd449b7a0 RDI: 00000000ffffff9c [ 983.549995][ T27] RBP: 00007fffd449b7a0 R08: 0000000000000000 R09: 000000000000000f [ 983.557975][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 983.566113][ T27] R13: 00007fffd449b83c R14: 00007fffd449b850 R15: 00007fffd449b840 [ 983.574221][ T27] [ 983.574221][ T27] Showing all locks held in the system: [ 983.581988][ T27] 6 locks held by kworker/0:1/7: [ 983.587010][ T27] #0: ffff888140bfa538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 983.597873][ T27] #1: ffffc90000cc7db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 983.609208][ T27] #2: ffff888146e61220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 983.618103][ T27] #3: ffff88807e874220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 983.627504][ T27] #4: ffff88801cd731a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 983.636875][ T27] #5: ffffffff8c81faf0 (minor_rwsem#2){++++}-{3:3}, at: usb_register_dev+0x19d/0x7e0 [ 983.646662][ T27] 6 locks held by kworker/1:0/20: [ 983.651937][ T27] #0: ffff888140bfa538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 983.662899][ T27] #1: ffffc90000da7db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 983.674843][ T27] #2: ffff88801ec09220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 983.683893][ T27] #3: ffff8880125cf220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 983.693220][ T27] #4: ffff88801be6a1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 983.702510][ T27] #5: ffffffff8c81faf0 (minor_rwsem#2){++++}-{3:3}, at: usb_register_dev+0x19d/0x7e0 [ 983.712290][ T27] 6 locks held by kworker/1:1/25: [ 983.717305][ T27] #0: ffff888140bfa538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 983.728060][ T27] #1: ffffc90000dffdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 983.739383][ T27] #2: ffff88801ec31220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 983.748266][ T27] #3: ffff8880125ce220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 983.757568][ T27] #4: ffff88801be6c1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 983.766929][ T27] #5: ffffffff8c81faf0 (minor_rwsem#2){++++}-{3:3}, at: usb_register_dev+0x19d/0x7e0 [ 983.776689][ T27] 1 lock held by khungtaskd/27: [ 983.781619][ T27] #0: ffffffff8b981b20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 983.791589][ T27] 6 locks held by kworker/0:3/2432: [ 983.796791][ T27] #0: ffff888140bfa538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 983.807572][ T27] #1: ffffc9000b65fdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 983.818899][ T27] #2: ffff888146dd9220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 983.827796][ T27] #3: ffff88807c68f220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 983.837267][ T27] #4: ffff88807b9641a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 983.846606][ T27] #5: ffffffff8c81faf0 (minor_rwsem#2){++++}-{3:3}, at: usb_register_dev+0x19d/0x7e0 [ 983.856291][ T27] 1 lock held by in:imklog/6257: [ 983.861488][ T27] #0: ffff88801f966370 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 983.870777][ T27] 6 locks held by kworker/0:0/6572: [ 983.875972][ T27] #0: ffff888140bfa538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 983.886809][ T27] #1: ffffc90002cbfdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 983.898160][ T27] #2: ffff888146e81220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 983.907188][ T27] #3: ffff88807e872220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 983.916798][ T27] #4: ffff88801b9421a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 983.926166][ T27] #5: ffffffff8c81faf0 (minor_rwsem#2){++++}-{3:3}, at: usb_register_dev+0x19d/0x7e0 [ 983.935842][ T27] 6 locks held by kworker/0:2/6576: [ 983.941112][ T27] #0: ffff888140bfa538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 983.951905][ T27] #1: ffffc90002cffdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 983.963271][ T27] #2: ffff88801ecc1220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 983.972250][ T27] #3: ffff88801ea49220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 983.981593][ T27] #4: ffff88807b9671a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 983.991011][ T27] #5: ffffffff8c81faf0 (minor_rwsem#2){++++}-{3:3}, at: usb_register_dev+0x19d/0x7e0 [ 984.000715][ T27] 2 locks held by syz-executor259/7124: [ 984.006259][ T27] #0: ffffffff8c81faf0 (minor_rwsem#2){++++}-{3:3}, at: usb_open+0x24/0x2e0 [ 984.015159][ T27] #1: ffff88801bc368d0 (&(sisusb->lock)){+.+.}-{3:3}, at: sisusb_open+0xb2/0x4d0 [ 984.024692][ T27] 2 locks held by syz-executor259/7127: [ 984.030304][ T27] #0: ffffffff8c81faf0 (minor_rwsem#2){++++}-{3:3}, at: usb_open+0x24/0x2e0 [ 984.039226][ T27] #1: ffff88801bc368d0 (&(sisusb->lock)){+.+.}-{3:3}, at: sisusb_open+0xb2/0x4d0 [ 984.048542][ T27] 2 locks held by syz-executor259/7129: [ 984.054088][ T27] #0: ffffffff8c81faf0 (minor_rwsem#2){++++}-{3:3}, at: usb_open+0x24/0x2e0 [ 984.062985][ T27] #1: ffff88801bc368d0 (&(sisusb->lock)){+.+.}-{3:3}, at: sisusb_open+0xb2/0x4d0 [ 984.072485][ T27] 2 locks held by syz-executor259/7133: [ 984.078037][ T27] #0: ffffffff8c81faf0 (minor_rwsem#2){++++}-{3:3}, at: usb_open+0x24/0x2e0 [ 984.086918][ T27] #1: ffff88801bc368d0 (&(sisusb->lock)){+.+.}-{3:3}, at: sisusb_open+0xb2/0x4d0 [ 984.096271][ T27] 2 locks held by syz-executor259/7136: [ 984.101885][ T27] #0: ffffffff8c81faf0 (minor_rwsem#2){++++}-{3:3}, at: usb_open+0x24/0x2e0 [ 984.110775][ T27] #1: ffff88801bc368d0 (&(sisusb->lock)){+.+.}-{3:3}, at: sisusb_open+0xb2/0x4d0 [ 984.120082][ T27] 1 lock held by syz-executor259/7160: [ 984.125533][ T27] #0: ffffffff8c81faf0 (minor_rwsem#2){++++}-{3:3}, at: usb_open+0x24/0x2e0 [ 984.134426][ T27] [ 984.136744][ T27] ============================================= [ 984.136744][ T27] [ 984.145276][ T27] NMI backtrace for cpu 1 [ 984.149606][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc7-syzkaller #0 [ 984.157759][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 984.172762][ T27] Call Trace: [ 984.176038][ T27] dump_stack_lvl+0xcd/0x134 [ 984.180697][ T27] nmi_cpu_backtrace.cold+0x47/0x144 [ 984.186005][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 984.191311][ T27] nmi_trigger_cpumask_backtrace+0x1ae/0x220 [ 984.197293][ T27] watchdog+0xc1d/0xf50 [ 984.201455][ T27] ? reset_hung_task_detector+0x30/0x30 [ 984.207005][ T27] kthread+0x3e5/0x4d0 [ 984.211115][ T27] ? set_kthread_struct+0x130/0x130 [ 984.216320][ T27] ret_from_fork+0x1f/0x30 [ 984.220901][ T27] Sending NMI from CPU 1 to CPUs 0: [ 984.226118][ C0] NMI backtrace for cpu 0 [ 984.226129][ C0] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted 5.15.0-rc7-syzkaller #0 [ 984.226152][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 984.226166][ C0] Workqueue: events_unbound toggle_allocation_gate [ 984.226272][ C0] RIP: 0010:__lock_acquire+0x144a/0x54a0 [ 984.226300][ C0] Code: f8 66 81 e3 ff 1f 0f b7 db be 08 00 00 00 48 89 d8 48 c1 f8 06 48 8d 3c c5 e0 f9 cf 8f e8 be 55 62 00 48 0f a3 1d 36 07 74 0e <0f> 83 90 05 00 00 48 8d 1c 5b 48 c1 e3 06 48 81 c3 00 fe cf 8f 48 [ 984.226320][ C0] RSP: 0018:ffffc90000cf7788 EFLAGS: 00000047 [ 984.226335][ C0] RAX: 0000000000000001 RBX: 000000000000000a RCX: ffffffff815bf2a2 [ 984.226349][ C0] RDX: fffffbfff1f9ff3d RSI: 0000000000000008 RDI: ffffffff8fcff9e0 [ 984.226364][ C0] RBP: ffff888010e7a78a R08: 0000000000000000 R09: ffffffff8fcff9e7 [ 984.226378][ C0] R10: fffffbfff1f9ff3c R11: 000000000000003f R12: ffff888010e7a768 [ 984.226392][ C0] R13: ffff888010e79c80 R14: 0000000000000000 R15: 9003074182af4f12 [ 984.226406][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 984.226427][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 984.226442][ C0] CR2: 00007fd7c30f9000 CR3: 000000000b68e000 CR4: 00000000003506f0 [ 984.226456][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 984.226468][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 984.226482][ C0] Call Trace: [ 984.226493][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 984.226519][ C0] ? mark_lock+0xef/0x17b0 [ 984.226544][ C0] lock_acquire+0x1ab/0x510 [ 984.226566][ C0] ? __get_locked_pte+0x2b6/0x4d0 [ 984.226622][ C0] ? lock_release+0x720/0x720 [ 984.226646][ C0] ? __text_poke+0x5d1/0x8c0 [ 984.226695][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 984.226720][ C0] _raw_spin_lock+0x2a/0x40 [ 984.226744][ C0] ? __get_locked_pte+0x2b6/0x4d0 [ 984.226764][ C0] __get_locked_pte+0x2b6/0x4d0 [ 984.226783][ C0] ? __kmalloc_track_caller+0xc9/0x310 [ 984.226829][ C0] __text_poke+0x1ab/0x8c0 [ 984.226854][ C0] ? text_poke_loc_init+0x340/0x340 [ 984.226880][ C0] ? __kmalloc_track_caller+0xc9/0x310 [ 984.226914][ C0] text_poke_bp_batch+0x3d7/0x560 [ 984.226939][ C0] ? mutex_lock_io_nested+0x1150/0x1150 [ 984.226962][ C0] ? alternatives_enable_smp+0xf0/0xf0 [ 984.226987][ C0] ? __jump_label_patch+0x159/0x1b0 [ 984.227012][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 984.227039][ C0] ? __jump_label_update+0x351/0x400 [ 984.227140][ C0] text_poke_finish+0x16/0x30 [ 984.227164][ C0] arch_jump_label_transform_apply+0x13/0x20 [ 984.227188][ C0] jump_label_update+0x1d5/0x430 [ 984.227214][ C0] static_key_enable_cpuslocked+0x1b1/0x260 [ 984.227241][ C0] static_key_enable+0x16/0x20 [ 984.227265][ C0] toggle_allocation_gate+0x100/0x390 [ 984.227290][ C0] ? lock_release+0x720/0x720 [ 984.227313][ C0] ? wake_up_kfence_timer+0x20/0x20 [ 984.227343][ C0] process_one_work+0x9bf/0x16b0 [ 984.227367][ C0] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 984.227389][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 984.227413][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 984.227440][ C0] worker_thread+0x658/0x11f0 [ 984.227463][ C0] ? process_one_work+0x16b0/0x16b0 [ 984.227484][ C0] kthread+0x3e5/0x4d0 [ 984.227508][ C0] ? set_kthread_struct+0x130/0x130 [ 984.227534][ C0] ret_from_fork+0x1f/0x30 [ 984.228158][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 984.563921][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc7-syzkaller #0 [ 984.572075][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 984.582120][ T27] Call Trace: [ 984.585395][ T27] dump_stack_lvl+0xcd/0x134 [ 984.589989][ T27] panic+0x2b0/0x6dd [ 984.593883][ T27] ? __warn_printk+0xf3/0xf3 [ 984.598473][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 984.603674][ T27] ? preempt_schedule_thunk+0x16/0x18 [ 984.609067][ T27] ? nmi_trigger_cpumask_backtrace+0x191/0x220 [ 984.615224][ T27] ? watchdog.cold+0x130/0x158 [ 984.620031][ T27] watchdog.cold+0x141/0x158 [ 984.624633][ T27] ? reset_hung_task_detector+0x30/0x30 [ 984.630184][ T27] kthread+0x3e5/0x4d0 [ 984.634254][ T27] ? set_kthread_struct+0x130/0x130 [ 984.639456][ T27] ret_from_fork+0x1f/0x30 [ 984.644256][ T27] Kernel Offset: disabled [ 984.648585][ T27] Rebooting in 86400 seconds..