program: r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002ff00004071041e080001000000010902270001010080320904000003ff000000070581034000010705820200020007050302"], 0x0) add_key(&(0x7f0000000200)='rxrpc\x00', 0x0, &(0x7f0000000280)='}', 0x1, 0xfffffffffffffffb) 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) ioctl$TCSETS(r1, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x1, 0x1, 0xa, "9591c289333bef7d35119544ed641462d4304c"}) syz_usb_connect(0x0, 0x39, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002ff00004071041e080001000000010902270001010080320904000003ff000000070581034000010705820200020007050302"], 0x0) (async) add_key(&(0x7f0000000200)='rxrpc\x00', 0x0, &(0x7f0000000280)='}', 0x1, 0xfffffffffffffffb) (async) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) (async) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) (async) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) (async) syz_usb_control_io(r0, 0x0, 0x0) (async) ioctl$TCSETS(r1, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x1, 0x1, 0xa, "9591c289333bef7d35119544ed641462d4304c"}) (async) [ 93.194850][ T5288] Bluetooth: hci0: command tx timeout [ 93.206247][ T1438] cfg80211: failed to load regulatory.db [ 93.505609][ T5312] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 93.659938][ T5312] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x3 has invalid wMaxPacketSize 0 [ 93.664002][ T5312] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 0 [ 93.668557][ T5312] usb 5-1: New USB device found, idVendor=0471, idProduct=081e, bcdDevice= 1.00 [ 93.672248][ T5312] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 93.706987][ T5312] spcp8x5 5-1:1.0: SPCP8x5 converter detected [ 93.730776][ T5312] usb 5-1: SPCP8x5 converter now attached to ttyUSB0 [ 94.057197][ T5331] SPCP8x5 ttyUSB0: failed to set control lines: -110 [ 94.061041][ T5331] SPCP8x5 ttyUSB0: Set UART format 0x30b failed (error = -32) [ 94.065124][ T5331] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 94.155445][ T5331] SPCP8x5 ttyUSB0: unsupported baudrate, using 9600 [ 94.160363][ T5331] SPCP8x5 ttyUSB0: Set UART format 0x0 failed (error = -32) [ 94.166492][ T5332] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 94.199651][ T5332] ------------[ cut here ]------------ [ 94.202148][ T5332] do not call blocking ops when !TASK_RUNNING; state=1 set at [] prepare_to_wait+0x174/0x210 [ 94.207018][ T5332] WARNING: kernel/sched/core.c:9124 at __might_sleep+0x92/0xf0, CPU#0: syz.0.0/5332 [ 94.210718][ T5332] Modules linked in: [ 94.212547][ T5332] CPU: 0 UID: 0 PID: 5332 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 94.217813][ T5332] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.221939][ T5332] RIP: 0010:__might_sleep+0xac/0xf0 [ 94.224026][ T5332] Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 7e f6 c4 0e 43 80 3c 3c 00 74 08 48 89 df e8 3f 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 [ 94.232963][ T5332] RSP: 0018:ffffc9000f5df4f0 EFLAGS: 00010246 [ 94.236161][ T5332] RAX: 0000000000000000 RBX: ffff88801d3de2f0 RCX: ffffffff819fb694 [ 94.240008][ T5332] RDX: ffffffff819fb694 RSI: 0000000000000001 RDI: ffffffff905b15f0 [ 94.243149][ T5332] RBP: 0000000000000001 R08: ffffc9000f5df2f8 R09: 0000000000000020 [ 94.246471][ T5332] R10: 0000000000000000 R11: ffffffff81a332e0 R12: 1ffff11003a7bc5e [ 94.249700][ T5332] R13: 0000000000000143 R14: ffffffff905b15f0 R15: dffffc0000000000 [ 94.252984][ T5332] FS: 00007fb9395096c0(0000) GS:ffff88808c53f000(0000) knlGS:0000000000000000 [ 94.256848][ T5332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.259561][ T5332] CR2: 0000000000000000 CR3: 0000000012d9a000 CR4: 0000000000352ef0 [ 94.262882][ T5332] Call Trace: [ 94.264236][ T5332] [ 94.265854][ T5332] __kmalloc_cache_noprof+0x94/0x660 [ 94.267944][ T5332] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 94.270059][ T5332] ? spcp8x5_get_msr+0xd3/0x2d0 [ 94.271880][ T5332] ? spcp8x5_get_msr+0xd3/0x2d0 [ 94.273680][ T5332] spcp8x5_get_msr+0xd3/0x2d0 [ 94.276963][ T5332] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 94.279390][ T5332] spcp8x5_carrier_raised+0x30/0x80 [ 94.281439][ T5332] serial_port_carrier_raised+0x8c/0xc0 [ 94.283690][ T5332] tty_port_block_til_ready+0x449/0x8b0 [ 94.285996][ T5332] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 94.288555][ T5332] ? __pfx_autoremove_wake_function+0x10/0x10 [ 94.290948][ T5332] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 94.293239][ T5332] ? tty_port_open+0x237/0x2b0 [ 94.295097][ T5332] tty_open+0x48a/0xcc0 [ 94.296824][ T5332] ? __pfx_tty_open+0x10/0x10 [ 94.298656][ T5332] ? do_raw_spin_unlock+0x4d/0x210 [ 94.300604][ T5332] chrdev_open+0x4d9/0x600 [ 94.302421][ T5332] ? __pfx_chrdev_open+0x10/0x10 [ 94.304284][ T5332] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 94.306849][ T5332] ? __pfx_chrdev_open+0x10/0x10 [ 94.309006][ T5332] do_dentry_open+0x816/0x1380 [ 94.310963][ T5332] vfs_open+0x3b/0x340 [ 94.312466][ T5332] ? path_openat+0x2e2d/0x3830 [ 94.314482][ T5332] path_openat+0x2e44/0x3830 [ 94.316478][ T5332] ? kasan_save_track+0x3e/0x80 [ 94.318483][ T5332] ? do_sys_openat2+0xcc/0x200 [ 94.320502][ T5332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.322789][ T5332] do_file_open+0x23e/0x4a0 [ 94.324585][ T5332] ? __pfx_do_file_open+0x10/0x10 [ 94.326607][ T5332] ? _raw_spin_unlock+0x28/0x50 [ 94.328634][ T5332] ? alloc_fd+0x651/0x6c0 [ 94.330430][ T5332] do_sys_openat2+0x115/0x200 [ 94.332338][ T5332] ? __se_sys_futex+0x3a8/0x450 [ 94.334350][ T5332] ? __pfx_do_sys_openat2+0x10/0x10 [ 94.336611][ T5332] ? rcu_is_watching+0x15/0xb0 [ 94.338538][ T5332] __x64_sys_openat+0x138/0x170 [ 94.340351][ T5332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.342709][ T5332] do_syscall_64+0x174/0x580 [ 94.344748][ T5332] ? trace_irq_disable+0x3b/0x140 [ 94.347016][ T5332] ? clear_bhb_loop+0x40/0x90 [ 94.349111][ T5332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.351684][ T5332] RIP: 0033:0x7fb93859e019 [ 94.353672][ T5332] 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 [ 94.361041][ T5332] RSP: 002b:00007fb939508fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 94.363927][ T5332] RAX: ffffffffffffffda RBX: 00007fb938826090 RCX: 00007fb93859e019 [ 94.366590][ T5332] RDX: 0000000000000000 RSI: 0000200000000700 RDI: ffffffffffffff9c [ 94.369084][ T5332] RBP: 00007fb93863500c R08: 0000000000000000 R09: 0000000000000000 [ 94.371701][ T5332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.374486][ T5332] R13: 00007fb938826128 R14: 00007fb938826090 R15: 00007ffce5207d08 [ 94.377645][ T5332] [ 94.378953][ T5332] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 94.381971][ T5332] CPU: 0 UID: 0 PID: 5332 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 94.385557][ T5332] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.388814][ T5332] Call Trace: [ 94.389921][ T5332] [ 94.390943][ T5332] vpanic+0x56c/0xa60 [ 94.392304][ T5332] ? __pfx__printk+0x10/0x10 [ 94.393881][ T5332] ? __pfx_vpanic+0x10/0x10 [ 94.395453][ T5332] ? is_bpf_text_address+0x292/0x2b0 [ 94.397296][ T5332] ? is_bpf_text_address+0x26/0x2b0 [ 94.399120][ T5332] panic+0xc5/0xd0 [ 94.400484][ T5332] ? __pfx_panic+0x10/0x10 [ 94.402154][ T5332] __warn+0x315/0x4c0 [ 94.403879][ T5332] ? __might_sleep+0x92/0xf0 [ 94.405890][ T5332] ? __might_sleep+0x92/0xf0 [ 94.407814][ T5332] __report_bug+0x276/0x570 [ 94.409757][ T5332] ? __might_sleep+0x92/0xf0 [ 94.411706][ T5332] ? __pfx___report_bug+0x10/0x10 [ 94.413554][ T5332] ? prepare_to_wait+0x174/0x210 [ 94.415634][ T5332] ? prepare_to_wait+0x174/0x210 [ 94.417692][ T5332] report_bug_entry+0x19a/0x290 [ 94.419722][ T5332] ? __might_sleep+0xac/0xf0 [ 94.421577][ T5332] ? __might_sleep+0xb1/0xf0 [ 94.423311][ T5332] handle_bug+0xce/0x200 [ 94.425032][ T5332] exc_invalid_op+0x1a/0x50 [ 94.426994][ T5332] asm_exc_invalid_op+0x1a/0x20 [ 94.429077][ T5332] RIP: 0010:__might_sleep+0xac/0xf0 [ 94.431250][ T5332] Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 7e f6 c4 0e 43 80 3c 3c 00 74 08 48 89 df e8 3f 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 [ 94.439212][ T5332] RSP: 0018:ffffc9000f5df4f0 EFLAGS: 00010246 [ 94.441718][ T5332] RAX: 0000000000000000 RBX: ffff88801d3de2f0 RCX: ffffffff819fb694 [ 94.444895][ T5332] RDX: ffffffff819fb694 RSI: 0000000000000001 RDI: ffffffff905b15f0 [ 94.447987][ T5332] RBP: 0000000000000001 R08: ffffc9000f5df2f8 R09: 0000000000000020 [ 94.451052][ T5332] R10: 0000000000000000 R11: ffffffff81a332e0 R12: 1ffff11003a7bc5e [ 94.454223][ T5332] R13: 0000000000000143 R14: ffffffff905b15f0 R15: dffffc0000000000 [ 94.457441][ T5332] ? __pfx_hlock_conflict+0x10/0x10 [ 94.459672][ T5332] ? prepare_to_wait+0x174/0x210 [ 94.461785][ T5332] ? prepare_to_wait+0x174/0x210 [ 94.463825][ T5332] __kmalloc_cache_noprof+0x94/0x660 [ 94.465973][ T5332] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 94.468058][ T5332] ? spcp8x5_get_msr+0xd3/0x2d0 [ 94.470059][ T5332] ? spcp8x5_get_msr+0xd3/0x2d0 [ 94.472036][ T5332] spcp8x5_get_msr+0xd3/0x2d0 [ 94.473974][ T5332] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 94.476353][ T5332] spcp8x5_carrier_raised+0x30/0x80 [ 94.478268][ T5332] serial_port_carrier_raised+0x8c/0xc0 [ 94.480382][ T5332] tty_port_block_til_ready+0x449/0x8b0 [ 94.482517][ T5332] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 94.484935][ T5332] ? __pfx_autoremove_wake_function+0x10/0x10 [ 94.487458][ T5332] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 94.489793][ T5332] ? tty_port_open+0x237/0x2b0 [ 94.491720][ T5332] tty_open+0x48a/0xcc0 [ 94.493366][ T5332] ? __pfx_tty_open+0x10/0x10 [ 94.495266][ T5332] ? do_raw_spin_unlock+0x4d/0x210 [ 94.497663][ T5332] chrdev_open+0x4d9/0x600 [ 94.500130][ T5332] ? __pfx_chrdev_open+0x10/0x10 [ 94.502140][ T5332] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 94.504797][ T5332] ? __pfx_chrdev_open+0x10/0x10 [ 94.506881][ T5332] do_dentry_open+0x816/0x1380 [ 94.508877][ T5332] vfs_open+0x3b/0x340 [ 94.510549][ T5332] ? path_openat+0x2e2d/0x3830 [ 94.512502][ T5332] path_openat+0x2e44/0x3830 [ 94.514413][ T5332] ? kasan_save_track+0x3e/0x80 [ 94.516384][ T5332] ? do_sys_openat2+0xcc/0x200 [ 94.520151][ T5332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.523512][ T5332] do_file_open+0x23e/0x4a0 [ 94.525515][ T5332] ? __pfx_do_file_open+0x10/0x10 [ 94.527706][ T5332] ? _raw_spin_unlock+0x28/0x50 [ 94.529823][ T5332] ? alloc_fd+0x651/0x6c0 [ 94.531583][ T5332] do_sys_openat2+0x115/0x200 [ 94.533560][ T5332] ? __se_sys_futex+0x3a8/0x450 [ 94.535622][ T5332] ? __pfx_do_sys_openat2+0x10/0x10 [ 94.537832][ T5332] ? rcu_is_watching+0x15/0xb0 [ 94.539767][ T5332] __x64_sys_openat+0x138/0x170 [ 94.541783][ T5332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.544254][ T5332] do_syscall_64+0x174/0x580 [ 94.546225][ T5332] ? trace_irq_disable+0x3b/0x140 [ 94.548367][ T5332] ? clear_bhb_loop+0x40/0x90 [ 94.550339][ T5332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.552656][ T5332] RIP: 0033:0x7fb93859e019 [ 94.554296][ T5332] 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 [ 94.563019][ T5332] RSP: 002b:00007fb939508fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 94.566789][ T5332] RAX: ffffffffffffffda RBX: 00007fb938826090 RCX: 00007fb93859e019 [ 94.570429][ T5332] RDX: 0000000000000000 RSI: 0000200000000700 RDI: ffffffffffffff9c [ 94.574178][ T5332] RBP: 00007fb93863500c R08: 0000000000000000 R09: 0000000000000000 [ 94.577880][ T5332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.581600][ T5332] R13: 00007fb938826128 R14: 00007fb938826090 R15: 00007ffce5207d08 [ 94.585275][ T5332] [ 94.587230][ T5332] Kernel Offset: disabled [ 94.589384][ T5332] Rebooting in 86400 seconds..