program: r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002ff00004071041e080001000000010902270001010080320904000003ff000000070581034000010705820200020007050302"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/test\x00', 0x777) r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./dev/ttyUSB0\x00', 0x2, 0x0) write(r1, &(0x7f0000000380)='100000', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0) write(r2, &(0x7f0000000200)='1', 0x1) r3 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0) write(r3, &(0x7f0000000280)='0', 0x1) openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/binder/transaction_log\x00', 0x0, 0x0) ioctl$VT_WAITACTIVE(r2, 0x5607) unshare(0x62040200) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) ioctl$TCSETS(r4, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x8, 0x1, 0xa, "9591c289333bef7d35119544ed641462d4304c"}) syz_usb_connect(0x0, 0x39, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002ff00004071041e080001000000010902270001010080320904000003ff000000070581034000010705820200020007050302"], 0x0) (async) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/test\x00', 0x777) (async) openat(0xffffffffffffff9c, &(0x7f0000000140)='./dev/ttyUSB0\x00', 0x2, 0x0) (async) write(r1, &(0x7f0000000380)='100000', 0x6) (async) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0) (async) write(r2, &(0x7f0000000200)='1', 0x1) (async) openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0) (async) write(r3, &(0x7f0000000280)='0', 0x1) (async) openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/binder/transaction_log\x00', 0x0, 0x0) (async) ioctl$VT_WAITACTIVE(r2, 0x5607) (async) unshare(0x62040200) (async) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) (async) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) (async) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) (async) syz_usb_control_io(r0, 0x0, 0x0) (async) ioctl$TCSETS(r4, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x8, 0x1, 0xa, "9591c289333bef7d35119544ed641462d4304c"}) (async) [ 127.201070][ T45] Bluetooth: hci0: command tx timeout [ 127.502035][ T4653] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 127.654449][ T4653] usb 5-1: New USB device found, idVendor=0471, idProduct=081e, bcdDevice= 1.00 [ 127.661322][ T4653] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x3 has invalid wMaxPacketSize 0 [ 127.666280][ T4653] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 0 [ 127.670665][ T4653] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 127.701616][ T4653] spcp8x5 5-1:1.0: SPCP8x5 converter detected [ 127.722918][ T4653] usb 5-1: SPCP8x5 converter now attached to ttyUSB0 [ 127.902109][ T5326] oom_control is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 128.122949][ T5327] SPCP8x5 ttyUSB0: failed to set control lines: -110 [ 128.126890][ T5327] SPCP8x5 ttyUSB0: Set UART format 0x30b failed (error = -32) [ 128.130640][ T5327] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 128.219077][ T5326] SPCP8x5 ttyUSB0: Set UART format 0x1 failed (error = -32) [ 128.230453][ T5326] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 128.240804][ T5329] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 128.245608][ T5329] ------------[ cut here ]------------ [ 128.248128][ T5329] do not call blocking ops when !TASK_RUNNING; state=1 set at [] prepare_to_wait+0x174/0x210 [ 128.253293][ T5329] WARNING: kernel/sched/core.c:9161 at __might_sleep+0x92/0xf0, CPU#0: syz.0.0/5329 [ 128.257388][ T5329] Modules linked in: [ 128.260370][ T5329] CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 128.264663][ T5329] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 128.269366][ T5329] RIP: 0010:__might_sleep+0xac/0xf0 [ 128.271785][ T5329] Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 6e e9 e5 0e 43 80 3c 3c 00 74 08 48 89 df e8 ef 73 a2 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 [ 128.279826][ T5329] RSP: 0018:ffffc9000f557550 EFLAGS: 00010246 [ 128.282324][ T5329] RAX: 0000000000000000 RBX: ffff88801fc53e00 RCX: ffffffff819f8db4 [ 128.285527][ T5329] RDX: ffffffff819f8db4 RSI: 0000000000000001 RDI: ffffffff907bf290 [ 128.288711][ T5329] RBP: 0000000000000001 R08: ffffc9000f557358 R09: 0000000000000020 [ 128.292737][ T5329] R10: 0000000000000000 R11: ffffffff81a310d0 R12: 1ffff11003f8a7c0 [ 128.296161][ T5329] R13: 0000000000000140 R14: ffffffff907bf290 R15: dffffc0000000000 [ 128.299558][ T5329] FS: 00007fb64ec486c0(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000 [ 128.303563][ T5329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 128.306516][ T5329] CR2: 00007ffc81c51ff8 CR3: 000000003f26d000 CR4: 0000000000352ef0 [ 128.309929][ T5329] Call Trace: [ 128.311429][ T5329] [ 128.312862][ T5329] __kmalloc_cache_noprof+0x94/0x660 [ 128.315069][ T5329] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 128.317338][ T5329] ? spcp8x5_get_msr+0xd3/0x2d0 [ 128.319640][ T5329] ? spcp8x5_get_msr+0xd3/0x2d0 [ 128.321998][ T5329] spcp8x5_get_msr+0xd3/0x2d0 [ 128.324169][ T5329] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 128.326665][ T5329] spcp8x5_carrier_raised+0x30/0x80 [ 128.328925][ T5329] serial_port_carrier_raised+0x8c/0xc0 [ 128.331420][ T5329] tty_port_block_til_ready+0x44d/0x890 [ 128.334033][ T5329] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 128.336625][ T5329] ? __pfx_autoremove_wake_function+0x10/0x10 [ 128.339344][ T5329] ? _raw_spin_unlock_irq_enable+0x4f/0xa0 [ 128.342077][ T5329] ? tty_port_open+0x234/0x2b0 [ 128.344144][ T5329] tty_open+0x48a/0xcc0 [ 128.345959][ T5329] ? __pfx_tty_open+0x10/0x10 [ 128.347899][ T5329] ? do_raw_spin_unlock+0x4d/0x200 [ 128.350076][ T5329] chrdev_open+0x4d9/0x600 [ 128.352004][ T5329] ? __pfx_chrdev_open+0x10/0x10 [ 128.354029][ T5329] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 128.356617][ T5329] ? __pfx_chrdev_open+0x10/0x10 [ 128.358650][ T5329] do_dentry_open+0x816/0x1380 [ 128.360696][ T5329] vfs_open+0x3b/0x340 [ 128.362569][ T5329] ? path_openat+0x1428/0x1d60 [ 128.364767][ T5329] path_openat+0x1443/0x1d60 [ 128.367192][ T5329] do_file_open+0x23e/0x4a0 [ 128.369139][ T5329] ? __pfx_do_file_open+0x10/0x10 [ 128.371368][ T5329] ? _raw_spin_unlock+0x28/0x50 [ 128.373867][ T5329] ? alloc_fd+0x651/0x6c0 [ 128.375398][ T5329] do_sys_openat2+0x115/0x200 [ 128.377086][ T5329] ? _raw_spin_unlock_irq+0x2e/0x50 [ 128.378933][ T5329] ? __pfx_do_sys_openat2+0x10/0x10 [ 128.381103][ T5329] ? exc_page_fault+0x6a/0xc0 [ 128.383131][ T5329] ? do_user_addr_fault+0xc4c/0x1340 [ 128.385418][ T5329] __x64_sys_openat+0x138/0x170 [ 128.387618][ T5329] do_syscall_64+0x166/0x520 [ 128.389773][ T5329] ? trace_irq_disable+0x3b/0x140 [ 128.391994][ T5329] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.394532][ T5329] ? clear_bhb_loop+0x70/0xc0 [ 128.396625][ T5329] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.399227][ T5329] RIP: 0033:0x7fb64dd9e0d9 [ 128.401196][ T5329] 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 [ 128.409376][ T5329] RSP: 002b:00007fb64ec47fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 128.412994][ T5329] RAX: ffffffffffffffda RBX: 00007fb64e026180 RCX: 00007fb64dd9e0d9 [ 128.416411][ T5329] RDX: 0000000000000002 RSI: 0000200000000140 RDI: ffffffffffffff9c [ 128.419846][ T5329] RBP: 00007fb64de35024 R08: 0000000000000000 R09: 0000000000000000 [ 128.423275][ T5329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 128.426789][ T5329] R13: 00007fb64e026218 R14: 00007fb64e026180 R15: 00007ffc81c52b78 [ 128.430302][ T5329] [ 128.431772][ T5329] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 128.434940][ T5329] CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 128.438781][ T5329] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 128.443112][ T5329] Call Trace: [ 128.444573][ T5329] [ 128.445831][ T5329] vpanic+0x56d/0xa60 [ 128.447517][ T5329] ? __pfx__printk+0x10/0x10 [ 128.449571][ T5329] ? __pfx_vpanic+0x10/0x10 [ 128.451474][ T5329] ? is_bpf_text_address+0x292/0x2b0 [ 128.453773][ T5329] ? is_bpf_text_address+0x26/0x2b0 [ 128.456008][ T5329] panic+0xc5/0xd0 [ 128.457670][ T5329] ? __pfx_panic+0x10/0x10 [ 128.459683][ T5329] __warn+0x315/0x4c0 [ 128.461433][ T5329] ? __might_sleep+0x92/0xf0 [ 128.463433][ T5329] ? __might_sleep+0x92/0xf0 [ 128.465541][ T5329] __report_bug+0x276/0x570 [ 128.467551][ T5329] ? __might_sleep+0x92/0xf0 [ 128.469570][ T5329] ? __pfx___report_bug+0x10/0x10 [ 128.471762][ T5329] ? prepare_to_wait+0x174/0x210 [ 128.473902][ T5329] ? prepare_to_wait+0x174/0x210 [ 128.476090][ T5329] ? irqentry_exit+0x218/0x910 [ 128.478281][ T5329] report_bug_entry+0x19b/0x290 [ 128.480516][ T5329] ? __might_sleep+0xac/0xf0 [ 128.482591][ T5329] ? __might_sleep+0xb1/0xf0 [ 128.484635][ T5329] handle_bug+0xce/0x200 [ 128.486366][ T5329] exc_invalid_op+0x1a/0x50 [ 128.487899][ T5329] asm_exc_invalid_op+0x1a/0x20 [ 128.489545][ T5329] RIP: 0010:__might_sleep+0xac/0xf0 [ 128.491410][ T5329] Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 6e e9 e5 0e 43 80 3c 3c 00 74 08 48 89 df e8 ef 73 a2 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 [ 128.497960][ T5329] RSP: 0018:ffffc9000f557550 EFLAGS: 00010246 [ 128.500101][ T5329] RAX: 0000000000000000 RBX: ffff88801fc53e00 RCX: ffffffff819f8db4 [ 128.502843][ T5329] RDX: ffffffff819f8db4 RSI: 0000000000000001 RDI: ffffffff907bf290 [ 128.505547][ T5329] RBP: 0000000000000001 R08: ffffc9000f557358 R09: 0000000000000020 [ 128.508218][ T5329] R10: 0000000000000000 R11: ffffffff81a310d0 R12: 1ffff11003f8a7c0 [ 128.510836][ T5329] R13: 0000000000000140 R14: ffffffff907bf290 R15: dffffc0000000000 [ 128.513345][ T5329] ? __pfx_hlock_conflict+0x10/0x10 [ 128.515070][ T5329] ? prepare_to_wait+0x174/0x210 [ 128.516677][ T5329] ? prepare_to_wait+0x174/0x210 [ 128.518355][ T5329] __kmalloc_cache_noprof+0x94/0x660 [ 128.520158][ T5329] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 128.522001][ T5329] ? spcp8x5_get_msr+0xd3/0x2d0 [ 128.523620][ T5329] ? spcp8x5_get_msr+0xd3/0x2d0 [ 128.525432][ T5329] spcp8x5_get_msr+0xd3/0x2d0 [ 128.527219][ T5329] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 128.529561][ T5329] spcp8x5_carrier_raised+0x30/0x80 [ 128.531685][ T5329] serial_port_carrier_raised+0x8c/0xc0 [ 128.533807][ T5329] tty_port_block_til_ready+0x44d/0x890 [ 128.535955][ T5329] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 128.538419][ T5329] ? __pfx_autoremove_wake_function+0x10/0x10 [ 128.540688][ T5329] ? _raw_spin_unlock_irq_enable+0x4f/0xa0 [ 128.542821][ T5329] ? tty_port_open+0x234/0x2b0 [ 128.544635][ T5329] tty_open+0x48a/0xcc0 [ 128.546199][ T5329] ? __pfx_tty_open+0x10/0x10 [ 128.547953][ T5329] ? do_raw_spin_unlock+0x4d/0x200 [ 128.549881][ T5329] chrdev_open+0x4d9/0x600 [ 128.551564][ T5329] ? __pfx_chrdev_open+0x10/0x10 [ 128.553364][ T5329] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 128.555691][ T5329] ? __pfx_chrdev_open+0x10/0x10 [ 128.557604][ T5329] do_dentry_open+0x816/0x1380 [ 128.559389][ T5329] vfs_open+0x3b/0x340 [ 128.560973][ T5329] ? path_openat+0x1428/0x1d60 [ 128.562749][ T5329] path_openat+0x1443/0x1d60 [ 128.564487][ T5329] do_file_open+0x23e/0x4a0 [ 128.566196][ T5329] ? __pfx_do_file_open+0x10/0x10 [ 128.568089][ T5329] ? _raw_spin_unlock+0x28/0x50 [ 128.569802][ T5329] ? alloc_fd+0x651/0x6c0 [ 128.571350][ T5329] do_sys_openat2+0x115/0x200 [ 128.572956][ T5329] ? _raw_spin_unlock_irq+0x2e/0x50 [ 128.574742][ T5329] ? __pfx_do_sys_openat2+0x10/0x10 [ 128.576576][ T5329] ? exc_page_fault+0x6a/0xc0 [ 128.578220][ T5329] ? do_user_addr_fault+0xc4c/0x1340 [ 128.580077][ T5329] __x64_sys_openat+0x138/0x170 [ 128.581851][ T5329] do_syscall_64+0x166/0x520 [ 128.583504][ T5329] ? trace_irq_disable+0x3b/0x140 [ 128.585467][ T5329] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.587720][ T5329] ? clear_bhb_loop+0x70/0xc0 [ 128.589560][ T5329] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.591754][ T5329] RIP: 0033:0x7fb64dd9e0d9 [ 128.593453][ T5329] 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 [ 128.601398][ T5329] RSP: 002b:00007fb64ec47fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 128.604810][ T5329] RAX: ffffffffffffffda RBX: 00007fb64e026180 RCX: 00007fb64dd9e0d9 [ 128.607934][ T5329] RDX: 0000000000000002 RSI: 0000200000000140 RDI: ffffffffffffff9c [ 128.610630][ T5329] RBP: 00007fb64de35024 R08: 0000000000000000 R09: 0000000000000000 [ 128.613629][ T5329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 128.616869][ T5329] R13: 00007fb64e026218 R14: 00007fb64e026180 R15: 00007ffc81c52b78 [ 128.620198][ T5329] [ 128.621829][ T5329] Kernel Offset: disabled [ 128.623631][ T5329] Rebooting in 86400 seconds..