program: ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002ff00004071041e080001000000010902270001010080320904000003ff000000070581034000010705820200020007050302"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) mprotect(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1) syz_open_dev$vim2m(&(0x7f0000000080), 0x7, 0x2) ioctl$TCSETS(r1, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x8, 0x1, 0xa, "9591c289333bef7d35119544ed641462d4304c"}) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) (async) syz_usb_connect(0x0, 0x39, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002ff00004071041e080001000000010902270001010080320904000003ff000000070581034000010705820200020007050302"], 0x0) (async) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) (async) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) (async) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) (async) syz_usb_control_io(r0, 0x0, 0x0) (async) mprotect(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1) (async) syz_open_dev$vim2m(&(0x7f0000000080), 0x7, 0x2) (async) ioctl$TCSETS(r1, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x8, 0x1, 0xa, "9591c289333bef7d35119544ed641462d4304c"}) (async) [ 93.104388][ T4636] Bluetooth: hci0: command tx timeout [ 93.140879][ T9] cfg80211: failed to load regulatory.db [ 93.396338][ T5299] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 93.549668][ T5299] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x3 has invalid wMaxPacketSize 0 [ 93.553781][ T5299] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 0 [ 93.559600][ T5299] usb 5-1: New USB device found, idVendor=0471, idProduct=081e, bcdDevice= 1.00 [ 93.563360][ T5299] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 93.595662][ T5299] spcp8x5 5-1:1.0: SPCP8x5 converter detected [ 93.624118][ T5299] usb 5-1: SPCP8x5 converter now attached to ttyUSB0 [ 93.937964][ T5314] SPCP8x5 ttyUSB0: failed to set control lines: -110 [ 93.942130][ T5314] SPCP8x5 ttyUSB0: Set UART format 0x30b failed (error = -32) [ 93.945763][ T5314] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 94.038050][ T5314] SPCP8x5 ttyUSB0: Set UART format 0x70b failed (error = -32) [ 94.053595][ T5314] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 94.057129][ T5315] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 94.061456][ T5314] ------------[ cut here ]------------ [ 94.063887][ T5314] do not call blocking ops when !TASK_RUNNING; state=1 set at [] prepare_to_wait+0x174/0x210 [ 94.069346][ T5314] WARNING: kernel/sched/core.c:9124 at __might_sleep+0x92/0xf0, CPU#0: syz.0.0/5314 [ 94.074008][ T5314] Modules linked in: [ 94.075936][ T5314] CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 94.080041][ T5314] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.084169][ T5314] RIP: 0010:__might_sleep+0xac/0xf0 [ 94.086315][ T5314] Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 9e af c4 0e 43 80 3c 3c 00 74 08 48 89 df e8 4f 38 a0 00 48 8b 0b 4c 89 f7 89 ee 48 89 ca <67> 48 0f b9 3a 44 89 ee 48 8b 3c 24 eb b5 44 89 f1 80 e1 07 80 c1 [ 94.094411][ T5314] RSP: 0018:ffffc9000efc74f0 EFLAGS: 00010246 [ 94.097064][ T5314] RAX: 0000000000000000 RBX: ffff8880330e9870 RCX: ffffffff819fa6a4 [ 94.100510][ T5314] RDX: ffffffff819fa6a4 RSI: 0000000000000001 RDI: ffffffff905abf10 [ 94.103971][ T5314] RBP: 0000000000000001 R08: ffffc9000efc72f8 R09: 0000000000000020 [ 94.107407][ T5314] R10: 0000000000000000 R11: ffffffff81a324e0 R12: 1ffff1100661d30e [ 94.110936][ T5314] R13: 0000000000000143 R14: ffffffff905abf10 R15: dffffc0000000000 [ 94.114411][ T5314] FS: 00007fa73da3c6c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 [ 94.118448][ T5314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.121384][ T5314] CR2: 0000000000000000 CR3: 0000000012292000 CR4: 0000000000352ef0 [ 94.124836][ T5314] Call Trace: [ 94.126379][ T5314] [ 94.127761][ T5314] __kmalloc_cache_noprof+0x94/0x660 [ 94.130075][ T5314] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 94.132295][ T5314] ? spcp8x5_get_msr+0xd3/0x2d0 [ 94.134392][ T5314] ? spcp8x5_get_msr+0xd3/0x2d0 [ 94.136512][ T5314] spcp8x5_get_msr+0xd3/0x2d0 [ 94.138480][ T5314] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 94.140973][ T5314] spcp8x5_carrier_raised+0x30/0x80 [ 94.143114][ T5314] serial_port_carrier_raised+0x8c/0xc0 [ 94.145201][ T5314] tty_port_block_til_ready+0x449/0x8b0 [ 94.147879][ T5314] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 94.150224][ T5314] ? __pfx_autoremove_wake_function+0x10/0x10 [ 94.152663][ T5314] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 94.155037][ T5314] ? tty_port_open+0x237/0x2b0 [ 94.157318][ T5314] tty_open+0x48a/0xcc0 [ 94.158906][ T5314] ? __pfx_tty_open+0x10/0x10 [ 94.160822][ T5314] ? do_raw_spin_unlock+0x4d/0x210 [ 94.162827][ T5314] chrdev_open+0x4d9/0x600 [ 94.164658][ T5314] ? __pfx_chrdev_open+0x10/0x10 [ 94.166678][ T5314] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 94.169211][ T5314] ? __pfx_chrdev_open+0x10/0x10 [ 94.171543][ T5314] do_dentry_open+0x816/0x1380 [ 94.174017][ T5314] vfs_open+0x3b/0x340 [ 94.175865][ T5314] ? path_openat+0x2e2d/0x3830 [ 94.178049][ T5314] path_openat+0x2e44/0x3830 [ 94.180117][ T5314] ? kasan_save_track+0x3e/0x80 [ 94.182179][ T5314] ? do_sys_openat2+0xcc/0x200 [ 94.184170][ T5314] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.186595][ T5314] do_file_open+0x23e/0x4a0 [ 94.188476][ T5314] ? __pfx_do_file_open+0x10/0x10 [ 94.190454][ T5314] ? _raw_spin_unlock+0x28/0x50 [ 94.192313][ T5314] ? alloc_fd+0x651/0x6c0 [ 94.193954][ T5314] do_sys_openat2+0x115/0x200 [ 94.195687][ T5314] ? __se_sys_futex+0x3a8/0x450 [ 94.197493][ T5314] ? __pfx_do_sys_openat2+0x10/0x10 [ 94.199691][ T5314] ? rcu_is_watching+0x15/0xb0 [ 94.201734][ T5314] __x64_sys_openat+0x138/0x170 [ 94.203864][ T5314] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.206563][ T5314] do_syscall_64+0x174/0x580 [ 94.208457][ T5314] ? trace_irq_disable+0x3b/0x140 [ 94.210537][ T5314] ? clear_bhb_loop+0x70/0xc0 [ 94.212574][ T5314] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.215188][ T5314] RIP: 0033:0x7fa73cb9e0d9 [ 94.217114][ T5314] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 94.224765][ T5314] RSP: 002b:00007fa73da3bfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 94.228314][ T5314] RAX: ffffffffffffffda RBX: 00007fa73ce25fa0 RCX: 00007fa73cb9e0d9 [ 94.231688][ T5314] RDX: 0000000000000000 RSI: 0000200000000700 RDI: ffffffffffffff9c [ 94.235023][ T5314] RBP: 00007fa73cc35024 R08: 0000000000000000 R09: 0000000000000000 [ 94.238486][ T5314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.241669][ T5314] R13: 00007fa73ce26038 R14: 00007fa73ce25fa0 R15: 00007ffdd56f61f8 [ 94.244766][ T5314] [ 94.246266][ T5314] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 94.249338][ T5314] CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 94.253073][ T5314] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.257161][ T5314] Call Trace: [ 94.258544][ T5314] [ 94.259810][ T5314] vpanic+0x56c/0xa60 [ 94.261533][ T5314] ? __pfx__printk+0x10/0x10 [ 94.263507][ T5314] ? __pfx_vpanic+0x10/0x10 [ 94.265419][ T5314] ? is_bpf_text_address+0x292/0x2b0 [ 94.267608][ T5314] ? is_bpf_text_address+0x26/0x2b0 [ 94.269700][ T5314] panic+0xc5/0xd0 [ 94.271256][ T5314] ? __pfx_panic+0x10/0x10 [ 94.273250][ T5314] __warn+0x315/0x4c0 [ 94.274909][ T5314] ? __might_sleep+0x92/0xf0 [ 94.276886][ T5314] ? __might_sleep+0x92/0xf0 [ 94.278903][ T5314] __report_bug+0x276/0x570 [ 94.280765][ T5314] ? __might_sleep+0x92/0xf0 [ 94.282668][ T5314] ? __pfx___report_bug+0x10/0x10 [ 94.284741][ T5314] ? prepare_to_wait+0x174/0x210 [ 94.286795][ T5314] ? prepare_to_wait+0x174/0x210 [ 94.288829][ T5314] report_bug_entry+0x19a/0x290 [ 94.290825][ T5314] ? __might_sleep+0xac/0xf0 [ 94.292761][ T5314] ? __might_sleep+0xb1/0xf0 [ 94.294750][ T5314] handle_bug+0xce/0x200 [ 94.296487][ T5314] exc_invalid_op+0x1a/0x50 [ 94.298443][ T5314] asm_exc_invalid_op+0x1a/0x20 [ 94.300525][ T5314] RIP: 0010:__might_sleep+0xac/0xf0 [ 94.302767][ T5314] Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 9e af c4 0e 43 80 3c 3c 00 74 08 48 89 df e8 4f 38 a0 00 48 8b 0b 4c 89 f7 89 ee 48 89 ca <67> 48 0f b9 3a 44 89 ee 48 8b 3c 24 eb b5 44 89 f1 80 e1 07 80 c1 [ 94.310698][ T5314] RSP: 0018:ffffc9000efc74f0 EFLAGS: 00010246 [ 94.313265][ T5314] RAX: 0000000000000000 RBX: ffff8880330e9870 RCX: ffffffff819fa6a4 [ 94.316436][ T5314] RDX: ffffffff819fa6a4 RSI: 0000000000000001 RDI: ffffffff905abf10 [ 94.319554][ T5314] RBP: 0000000000000001 R08: ffffc9000efc72f8 R09: 0000000000000020 [ 94.322880][ T5314] R10: 0000000000000000 R11: ffffffff81a324e0 R12: 1ffff1100661d30e [ 94.326017][ T5314] R13: 0000000000000143 R14: ffffffff905abf10 R15: dffffc0000000000 [ 94.329139][ T5314] ? __pfx_hlock_conflict+0x10/0x10 [ 94.331307][ T5314] ? prepare_to_wait+0x174/0x210 [ 94.333332][ T5314] ? prepare_to_wait+0x174/0x210 [ 94.335523][ T5314] __kmalloc_cache_noprof+0x94/0x660 [ 94.337752][ T5314] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 94.340086][ T5314] ? spcp8x5_get_msr+0xd3/0x2d0 [ 94.342224][ T5314] ? spcp8x5_get_msr+0xd3/0x2d0 [ 94.344714][ T5314] spcp8x5_get_msr+0xd3/0x2d0 [ 94.347136][ T5314] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 94.349658][ T5314] spcp8x5_carrier_raised+0x30/0x80 [ 94.352042][ T5314] serial_port_carrier_raised+0x8c/0xc0 [ 94.354451][ T5314] tty_port_block_til_ready+0x449/0x8b0 [ 94.356731][ T5314] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 94.359310][ T5314] ? __pfx_autoremove_wake_function+0x10/0x10 [ 94.362055][ T5314] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 94.364654][ T5314] ? tty_port_open+0x237/0x2b0 [ 94.366796][ T5314] tty_open+0x48a/0xcc0 [ 94.368627][ T5314] ? __pfx_tty_open+0x10/0x10 [ 94.370563][ T5314] ? do_raw_spin_unlock+0x4d/0x210 [ 94.372689][ T5314] chrdev_open+0x4d9/0x600 [ 94.374651][ T5314] ? __pfx_chrdev_open+0x10/0x10 [ 94.376705][ T5314] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 94.379367][ T5314] ? __pfx_chrdev_open+0x10/0x10 [ 94.381475][ T5314] do_dentry_open+0x816/0x1380 [ 94.383608][ T5314] vfs_open+0x3b/0x340 [ 94.385358][ T5314] ? path_openat+0x2e2d/0x3830 [ 94.387285][ T5314] path_openat+0x2e44/0x3830 [ 94.389164][ T5314] ? kasan_save_track+0x3e/0x80 [ 94.391169][ T5314] ? do_sys_openat2+0xcc/0x200 [ 94.393301][ T5314] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.395906][ T5314] do_file_open+0x23e/0x4a0 [ 94.397864][ T5314] ? __pfx_do_file_open+0x10/0x10 [ 94.400045][ T5314] ? _raw_spin_unlock+0x28/0x50 [ 94.402217][ T5314] ? alloc_fd+0x651/0x6c0 [ 94.404118][ T5314] do_sys_openat2+0x115/0x200 [ 94.406123][ T5314] ? __se_sys_futex+0x3a8/0x450 [ 94.408250][ T5314] ? __pfx_do_sys_openat2+0x10/0x10 [ 94.410491][ T5314] ? rcu_is_watching+0x15/0xb0 [ 94.412570][ T5314] __x64_sys_openat+0x138/0x170 [ 94.414738][ T5314] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.417341][ T5314] do_syscall_64+0x174/0x580 [ 94.419343][ T5314] ? trace_irq_disable+0x3b/0x140 [ 94.421468][ T5314] ? clear_bhb_loop+0x70/0xc0 [ 94.423518][ T5314] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.425990][ T5314] RIP: 0033:0x7fa73cb9e0d9 [ 94.427905][ T5314] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 94.436209][ T5314] RSP: 002b:00007fa73da3bfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 94.439848][ T5314] RAX: ffffffffffffffda RBX: 00007fa73ce25fa0 RCX: 00007fa73cb9e0d9 [ 94.443130][ T5314] RDX: 0000000000000000 RSI: 0000200000000700 RDI: ffffffffffffff9c [ 94.446252][ T5314] RBP: 00007fa73cc35024 R08: 0000000000000000 R09: 0000000000000000 [ 94.449668][ T5314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.452996][ T5314] R13: 00007fa73ce26038 R14: 00007fa73ce25fa0 R15: 00007ffdd56f61f8 [ 94.456477][ T5314] [ 94.458280][ T5314] Kernel Offset: disabled [ 94.460056][ T5314] Rebooting in 86400 seconds..