program: r0 = socket$nl_route(0x10, 0x3, 0x0) recvmmsg$unix(0xffffffffffffffff, &(0x7f0000000580)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f00000002c0)=""/219, 0xdb}], 0x1}}], 0x1, 0x60, 0x0) r1 = 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) r2 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) mprotect(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1) ioctl$TCSETS(r2, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x8, 0x1, 0x8, "9591c289333bef7d35119544ed641462d4304c"}) sendmsg$nl_route(r0, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="3c00010010000d0400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000001c00128009000100626f6e64000000000c00028008001a00e0000002"], 0x3c}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) (async) recvmmsg$unix(0xffffffffffffffff, &(0x7f0000000580)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f00000002c0)=""/219, 0xdb}], 0x1}}], 0x1, 0x60, 0x0) (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(r1, 0x0, 0x0) (async) mprotect(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1) (async) ioctl$TCSETS(r2, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x8, 0x1, 0x8, "9591c289333bef7d35119544ed641462d4304c"}) (async) sendmsg$nl_route(r0, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="3c00010010000d0400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000001c00128009000100626f6e64000000000c00028008001a00e0000002"], 0x3c}}, 0x0) (async) [ 94.471571][ T44] Bluetooth: hci0: command tx timeout [ 94.866108][ T5300] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 95.017415][ T5300] usb 5-1: New USB device found, idVendor=0471, idProduct=081e, bcdDevice= 1.00 [ 95.024321][ T5300] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x3 has invalid wMaxPacketSize 0 [ 95.029306][ T5300] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 0 [ 95.033912][ T5300] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 95.074680][ T5300] spcp8x5 5-1:1.0: SPCP8x5 converter detected [ 95.109218][ T5300] usb 5-1: SPCP8x5 converter now attached to ttyUSB0 [ 95.427226][ T5317] SPCP8x5 ttyUSB0: failed to set control lines: -110 [ 95.431079][ T5317] SPCP8x5 ttyUSB0: Set UART format 0x30b failed (error = -32) [ 95.437412][ T5317] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 95.521372][ T5317] SPCP8x5 ttyUSB0: Set UART format 0x503 failed (error = -32) [ 95.526265][ T5317] Zero length message leads to an empty skb [ 95.541873][ T5317] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 95.552137][ T5320] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 95.559747][ T5317] ------------[ cut here ]------------ [ 95.562388][ T5317] do not call blocking ops when !TASK_RUNNING; state=1 set at [] prepare_to_wait+0x174/0x210 [ 95.570450][ T5317] WARNING: kernel/sched/core.c:9129 at __might_sleep+0x92/0xf0, CPU#0: syz.0.0/5317 [ 95.574575][ T5317] Modules linked in: [ 95.577081][ T5317] CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 95.581049][ T5317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 95.585710][ T5317] RIP: 0010:__might_sleep+0xac/0xf0 [ 95.588181][ T5317] Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 ee 14 c5 0e 43 80 3c 3c 00 74 08 48 89 df e8 df 67 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 [ 95.597328][ T5317] RSP: 0018:ffffc9000f55f550 EFLAGS: 00010246 [ 95.604259][ T5317] RAX: 0000000000000000 RBX: ffff888039cbbe00 RCX: ffffffff819f93c4 [ 95.608350][ T5317] RDX: ffffffff819f93c4 RSI: 0000000000000001 RDI: ffffffff905b2570 [ 95.611690][ T5317] RBP: 0000000000000001 R08: ffffc9000f55f358 R09: 0000000000000020 [ 95.615172][ T5317] R10: 0000000000000000 R11: ffffffff81a316e0 R12: 1ffff110073977c0 [ 95.618713][ T5317] R13: 0000000000000143 R14: ffffffff905b2570 R15: dffffc0000000000 [ 95.622242][ T5317] FS: 00007fda39a896c0(0000) GS:ffff88808c533000(0000) knlGS:0000000000000000 [ 95.626085][ T5317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.629024][ T5317] CR2: 0000000000000000 CR3: 00000000124c9000 CR4: 0000000000352ef0 [ 95.632602][ T5317] Call Trace: [ 95.634308][ T5317] [ 95.635759][ T5317] __kmalloc_cache_noprof+0x94/0x660 [ 95.638166][ T5317] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 95.640597][ T5317] ? spcp8x5_get_msr+0xd3/0x2d0 [ 95.642666][ T5317] ? spcp8x5_get_msr+0xd3/0x2d0 [ 95.644853][ T5317] spcp8x5_get_msr+0xd3/0x2d0 [ 95.647382][ T5317] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 95.649753][ T5317] spcp8x5_carrier_raised+0x30/0x80 [ 95.652041][ T5317] serial_port_carrier_raised+0x8c/0xc0 [ 95.654559][ T5317] tty_port_block_til_ready+0x44d/0x890 [ 95.657184][ T5317] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 95.660009][ T5317] ? __pfx_autoremove_wake_function+0x10/0x10 [ 95.662662][ T5317] ? _raw_spin_unlock_irq_enable+0x4f/0xa0 [ 95.665150][ T5317] ? tty_port_open+0x234/0x2b0 [ 95.667234][ T5317] tty_open+0x48a/0xcc0 [ 95.669090][ T5317] ? __pfx_tty_open+0x10/0x10 [ 95.671242][ T5317] ? do_raw_spin_unlock+0x4d/0x200 [ 95.673608][ T5317] chrdev_open+0x4d9/0x600 [ 95.675883][ T5317] ? __pfx_chrdev_open+0x10/0x10 [ 95.679005][ T5317] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 95.681659][ T5317] ? __pfx_chrdev_open+0x10/0x10 [ 95.683941][ T5317] do_dentry_open+0x816/0x1380 [ 95.686085][ T5317] vfs_open+0x3b/0x340 [ 95.687921][ T5317] ? path_openat+0x1428/0x1d60 [ 95.690222][ T5317] path_openat+0x1443/0x1d60 [ 95.692526][ T5317] do_file_open+0x23e/0x4a0 [ 95.694995][ T5317] ? __pfx_do_file_open+0x10/0x10 [ 95.697428][ T5317] ? _raw_spin_unlock+0x28/0x50 [ 95.699514][ T5317] ? alloc_fd+0x651/0x6c0 [ 95.701541][ T5317] do_sys_openat2+0x115/0x200 [ 95.703747][ T5317] ? __se_sys_futex+0x3a8/0x450 [ 95.706237][ T5317] ? __pfx_do_sys_openat2+0x10/0x10 [ 95.708634][ T5317] ? rcu_is_watching+0x16/0xb0 [ 95.710801][ T5317] __x64_sys_openat+0x138/0x170 [ 95.713140][ T5317] do_syscall_64+0x166/0x520 [ 95.715328][ T5317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.718353][ T5317] ? clear_bhb_loop+0x70/0xc0 [ 95.720657][ T5317] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.723431][ T5317] RIP: 0033:0x7fda38b9e0d9 [ 95.725366][ T5317] 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 [ 95.734284][ T5317] RSP: 002b:00007fda39a88fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 95.737927][ T5317] RAX: ffffffffffffffda RBX: 00007fda38e25fa0 RCX: 00007fda38b9e0d9 [ 95.741256][ T5317] RDX: 0000000000000000 RSI: 0000200000000700 RDI: ffffffffffffff9c [ 95.744645][ T5317] RBP: 00007fda38c35024 R08: 0000000000000000 R09: 0000000000000000 [ 95.748709][ T5317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 95.752947][ T5317] R13: 00007fda38e26038 R14: 00007fda38e25fa0 R15: 00007ffe3fc2f3a8 [ 95.756565][ T5317] [ 95.758106][ T5317] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 95.761558][ T5317] CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 95.766237][ T5317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 95.770705][ T5317] Call Trace: [ 95.772174][ T5317] [ 95.773421][ T5317] vpanic+0x56d/0xa60 [ 95.775172][ T5317] ? __pfx__printk+0x10/0x10 [ 95.777051][ T5317] ? __pfx_vpanic+0x10/0x10 [ 95.779002][ T5317] ? is_bpf_text_address+0x292/0x2b0 [ 95.781333][ T5317] ? is_bpf_text_address+0x26/0x2b0 [ 95.783740][ T5317] panic+0xc5/0xd0 [ 95.785469][ T5317] ? __pfx_panic+0x10/0x10 [ 95.787456][ T5317] __warn+0x315/0x4c0 [ 95.789302][ T5317] ? __might_sleep+0x92/0xf0 [ 95.791866][ T5317] ? __might_sleep+0x92/0xf0 [ 95.794446][ T5317] __report_bug+0x276/0x570 [ 95.796510][ T5317] ? __might_sleep+0x92/0xf0 [ 95.798568][ T5317] ? __pfx___report_bug+0x10/0x10 [ 95.800724][ T5317] ? prepare_to_wait+0x174/0x210 [ 95.802888][ T5317] ? prepare_to_wait+0x174/0x210 [ 95.805280][ T5317] ? irqentry_exit+0x218/0x910 [ 95.807450][ T5317] report_bug_entry+0x19b/0x290 [ 95.809626][ T5317] ? __might_sleep+0xac/0xf0 [ 95.811635][ T5317] ? __might_sleep+0xb1/0xf0 [ 95.813643][ T5317] handle_bug+0xce/0x200 [ 95.815385][ T5317] exc_invalid_op+0x1a/0x50 [ 95.817319][ T5317] asm_exc_invalid_op+0x1a/0x20 [ 95.819411][ T5317] RIP: 0010:__might_sleep+0xac/0xf0 [ 95.821658][ T5317] Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 ee 14 c5 0e 43 80 3c 3c 00 74 08 48 89 df e8 df 67 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 [ 95.830158][ T5317] RSP: 0018:ffffc9000f55f550 EFLAGS: 00010246 [ 95.832671][ T5317] RAX: 0000000000000000 RBX: ffff888039cbbe00 RCX: ffffffff819f93c4 [ 95.836052][ T5317] RDX: ffffffff819f93c4 RSI: 0000000000000001 RDI: ffffffff905b2570 [ 95.839350][ T5317] RBP: 0000000000000001 R08: ffffc9000f55f358 R09: 0000000000000020 [ 95.842976][ T5317] R10: 0000000000000000 R11: ffffffff81a316e0 R12: 1ffff110073977c0 [ 95.846347][ T5317] R13: 0000000000000143 R14: ffffffff905b2570 R15: dffffc0000000000 [ 95.849539][ T5317] ? __pfx_hlock_conflict+0x10/0x10 [ 95.852122][ T5317] ? prepare_to_wait+0x174/0x210 [ 95.854361][ T5317] ? prepare_to_wait+0x174/0x210 [ 95.856699][ T5317] __kmalloc_cache_noprof+0x94/0x660 [ 95.859329][ T5317] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 95.861841][ T5317] ? spcp8x5_get_msr+0xd3/0x2d0 [ 95.864040][ T5317] ? spcp8x5_get_msr+0xd3/0x2d0 [ 95.866123][ T5317] spcp8x5_get_msr+0xd3/0x2d0 [ 95.868253][ T5317] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 95.870791][ T5317] spcp8x5_carrier_raised+0x30/0x80 [ 95.872990][ T5317] serial_port_carrier_raised+0x8c/0xc0 [ 95.875490][ T5317] tty_port_block_til_ready+0x44d/0x890 [ 95.878378][ T5317] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 95.881135][ T5317] ? __pfx_autoremove_wake_function+0x10/0x10 [ 95.883824][ T5317] ? _raw_spin_unlock_irq_enable+0x4f/0xa0 [ 95.886446][ T5317] ? tty_port_open+0x234/0x2b0 [ 95.888634][ T5317] tty_open+0x48a/0xcc0 [ 95.890510][ T5317] ? __pfx_tty_open+0x10/0x10 [ 95.892641][ T5317] ? do_raw_spin_unlock+0x4d/0x200 [ 95.895047][ T5317] chrdev_open+0x4d9/0x600 [ 95.897090][ T5317] ? __pfx_chrdev_open+0x10/0x10 [ 95.899391][ T5317] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 95.902232][ T5317] ? __pfx_chrdev_open+0x10/0x10 [ 95.904363][ T5317] do_dentry_open+0x816/0x1380 [ 95.906461][ T5317] vfs_open+0x3b/0x340 [ 95.908241][ T5317] ? path_openat+0x1428/0x1d60 [ 95.910278][ T5317] path_openat+0x1443/0x1d60 [ 95.912427][ T5317] do_file_open+0x23e/0x4a0 [ 95.914575][ T5317] ? __pfx_do_file_open+0x10/0x10 [ 95.916684][ T5317] ? _raw_spin_unlock+0x28/0x50 [ 95.918866][ T5317] ? alloc_fd+0x651/0x6c0 [ 95.920718][ T5317] do_sys_openat2+0x115/0x200 [ 95.922853][ T5317] ? __se_sys_futex+0x3a8/0x450 [ 95.924985][ T5317] ? __pfx_do_sys_openat2+0x10/0x10 [ 95.927345][ T5317] ? rcu_is_watching+0x16/0xb0 [ 95.929575][ T5317] __x64_sys_openat+0x138/0x170 [ 95.931943][ T5317] do_syscall_64+0x166/0x520 [ 95.933943][ T5317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.936434][ T5317] ? clear_bhb_loop+0x70/0xc0 [ 95.938451][ T5317] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.940831][ T5317] RIP: 0033:0x7fda38b9e0d9 [ 95.942742][ T5317] 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 [ 95.951659][ T5317] RSP: 002b:00007fda39a88fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 95.955558][ T5317] RAX: ffffffffffffffda RBX: 00007fda38e25fa0 RCX: 00007fda38b9e0d9 [ 95.958935][ T5317] RDX: 0000000000000000 RSI: 0000200000000700 RDI: ffffffffffffff9c [ 95.962145][ T5317] RBP: 00007fda38c35024 R08: 0000000000000000 R09: 0000000000000000 [ 95.965381][ T5317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 95.969147][ T5317] R13: 00007fda38e26038 R14: 00007fda38e25fa0 R15: 00007ffe3fc2f3a8 [ 95.973154][ T5317] [ 95.975098][ T5317] Kernel Offset: disabled [ 95.977134][ T5317] Rebooting in 86400 seconds..