program: r0 = syz_usb_connect(0x3, 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) ioctl$TCSETS(r1, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x1ff, 0x1, 0x6, "9591c289333bef7d35119544ed641462d4304c"}) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000200)={0x0, 0x7}, 0x8) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000340)={0x0, 0x9}, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000280)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) sendmmsg$inet6(r2, &(0x7f0000000540)=[{{&(0x7f0000000080)={0xa, 0x4e23, 0x3, @loopback, 0x3}, 0x1c, &(0x7f00000004c0)=[{&(0x7f0000000240)="dc", 0x1}], 0x1}}], 0x1, 0x3404c891) setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f0000000040)={0x1, &(0x7f0000000340)=[{0x6, 0x8, 0x0, 0xb}]}, 0x10) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000140), 0x4) syz_usb_connect(0x3, 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) ioctl$TCSETS(r1, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x1ff, 0x1, 0x6, "9591c289333bef7d35119544ed641462d4304c"}) (async) socket$inet6_sctp(0xa, 0x1, 0x84) (async) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000200)={0x0, 0x7}, 0x8) (async) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000340)={0x0, 0x9}, 0x8) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000280)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) (async) sendmmsg$inet6(r2, &(0x7f0000000540)=[{{&(0x7f0000000080)={0xa, 0x4e23, 0x3, @loopback, 0x3}, 0x1c, &(0x7f00000004c0)=[{&(0x7f0000000240)="dc", 0x1}], 0x1}}], 0x1, 0x3404c891) (async) setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f0000000040)={0x1, &(0x7f0000000340)=[{0x6, 0x8, 0x0, 0xb}]}, 0x10) (async) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000140), 0x4) (async) [ 95.026610][ T5272] Bluetooth: hci0: command tx timeout [ 95.345820][ T9] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 95.496965][ T9] usb 5-1: New USB device found, idVendor=0471, idProduct=081e, bcdDevice= 1.00 [ 95.504515][ T9] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x3 has invalid wMaxPacketSize 0 [ 95.509336][ T9] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 0 [ 95.513708][ T9] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 95.583482][ T9] spcp8x5 5-1:1.0: SPCP8x5 converter detected [ 95.609830][ T9] usb 5-1: SPCP8x5 converter now attached to ttyUSB0 [ 95.916419][ T5308] SPCP8x5 ttyUSB0: failed to set control lines: -110 [ 95.920048][ T5308] SPCP8x5 ttyUSB0: Set UART format 0x30b failed (error = -32) [ 95.924983][ T5308] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 96.013624][ T5308] SPCP8x5 ttyUSB0: Set UART format 0x3709 failed (error = -32) [ 96.033341][ T5308] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 96.040978][ T5309] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 96.047279][ T5309] ------------[ cut here ]------------ [ 96.049563][ T5309] do not call blocking ops when !TASK_RUNNING; state=1 set at [] prepare_to_wait+0x174/0x210 [ 96.054356][ T5309] WARNING: kernel/sched/core.c:9129 at __might_sleep+0x92/0xf0, CPU#0: syz.0.0/5309 [ 96.058377][ T5309] Modules linked in: [ 96.060377][ T5309] CPU: 0 UID: 0 PID: 5309 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 96.064310][ T5309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 96.068709][ T5309] RIP: 0010:__might_sleep+0xac/0xf0 [ 96.070989][ T5309] Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 0e b7 c5 0e 43 80 3c 3c 00 74 08 48 89 df e8 6f f7 a1 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 [ 96.081566][ T5309] RSP: 0018:ffffc9000e9bf550 EFLAGS: 00010246 [ 96.085014][ T5309] RAX: 0000000000000000 RBX: ffff888000e6be00 RCX: ffffffff819f7ba4 [ 96.092881][ T5309] RDX: ffffffff819f7ba4 RSI: 0000000000000001 RDI: ffffffff905baf70 [ 96.096605][ T5309] RBP: 0000000000000001 R08: ffffc9000e9bf358 R09: 0000000000000020 [ 96.100052][ T5309] R10: 0000000000000000 R11: ffffffff81a2fec0 R12: 1ffff110001cd7c0 [ 96.103547][ T5309] R13: 0000000000000143 R14: ffffffff905baf70 R15: dffffc0000000000 [ 96.107110][ T5309] FS: 00007f947a1186c0(0000) GS:ffff88808c519000(0000) knlGS:0000000000000000 [ 96.110798][ T5309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.113367][ T5309] CR2: 0000000000000000 CR3: 00000000437c0000 CR4: 0000000000352ef0 [ 96.117127][ T5309] Call Trace: [ 96.118612][ T5309] [ 96.120351][ T5309] __kmalloc_cache_noprof+0x94/0x660 [ 96.122740][ T5309] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 96.125105][ T5309] ? spcp8x5_get_msr+0xd3/0x2d0 [ 96.127412][ T5309] ? spcp8x5_get_msr+0xd3/0x2d0 [ 96.129641][ T5309] spcp8x5_get_msr+0xd3/0x2d0 [ 96.131546][ T5309] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 96.133973][ T5309] spcp8x5_carrier_raised+0x30/0x80 [ 96.136200][ T5309] serial_port_carrier_raised+0x8c/0xc0 [ 96.138713][ T5309] tty_port_block_til_ready+0x44d/0x890 [ 96.141399][ T5309] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 96.144144][ T5309] ? __pfx_autoremove_wake_function+0x10/0x10 [ 96.146913][ T5309] ? _raw_spin_unlock_irq_enable+0x4f/0xa0 [ 96.149578][ T5309] ? tty_port_open+0x234/0x2b0 [ 96.151744][ T5309] tty_open+0x48a/0xcc0 [ 96.153638][ T5309] ? __pfx_tty_open+0x10/0x10 [ 96.155802][ T5309] ? do_raw_spin_unlock+0x4d/0x200 [ 96.158068][ T5309] chrdev_open+0x4d9/0x600 [ 96.160117][ T5309] ? __pfx_chrdev_open+0x10/0x10 [ 96.162368][ T5309] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 96.165340][ T5309] ? __pfx_chrdev_open+0x10/0x10 [ 96.167638][ T5309] do_dentry_open+0x816/0x1380 [ 96.169890][ T5309] vfs_open+0x3b/0x340 [ 96.171817][ T5309] ? path_openat+0x1428/0x1d60 [ 96.174003][ T5309] path_openat+0x1443/0x1d60 [ 96.176200][ T5309] do_file_open+0x23e/0x4a0 [ 96.178300][ T5309] ? __pfx_do_file_open+0x10/0x10 [ 96.180535][ T5309] ? _raw_spin_unlock+0x28/0x50 [ 96.182743][ T5309] ? alloc_fd+0x651/0x6c0 [ 96.184716][ T5309] do_sys_openat2+0x115/0x200 [ 96.186673][ T5309] ? __se_sys_futex+0x3a8/0x450 [ 96.188889][ T5309] ? __pfx_do_sys_openat2+0x10/0x10 [ 96.191283][ T5309] ? rcu_is_watching+0x16/0xb0 [ 96.193449][ T5309] __x64_sys_openat+0x138/0x170 [ 96.195768][ T5309] do_syscall_64+0x166/0x520 [ 96.197943][ T5309] ? trace_irq_disable+0x3b/0x140 [ 96.200253][ T5309] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.203026][ T5309] ? clear_bhb_loop+0x70/0xc0 [ 96.205687][ T5309] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.208554][ T5309] RIP: 0033:0x7f947919e0d9 [ 96.210542][ T5309] 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 [ 96.218431][ T5309] RSP: 002b:00007f947a117fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 96.221754][ T5309] RAX: ffffffffffffffda RBX: 00007f9479426090 RCX: 00007f947919e0d9 [ 96.224847][ T5309] RDX: 0000000000000000 RSI: 0000200000000700 RDI: ffffffffffffff9c [ 96.228417][ T5309] RBP: 00007f9479235024 R08: 0000000000000000 R09: 0000000000000000 [ 96.231838][ T5309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 96.235080][ T5309] R13: 00007f9479426128 R14: 00007f9479426090 R15: 00007fffd82c8668 [ 96.238486][ T5309] [ 96.240058][ T5309] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 96.243344][ T5309] CPU: 0 UID: 0 PID: 5309 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 96.247323][ T5309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 96.251715][ T5309] Call Trace: [ 96.253192][ T5309] [ 96.254500][ T5309] vpanic+0x56d/0xa60 [ 96.256346][ T5309] ? __pfx__printk+0x10/0x10 [ 96.258420][ T5309] ? __pfx_vpanic+0x10/0x10 [ 96.260484][ T5309] ? is_bpf_text_address+0x292/0x2b0 [ 96.262789][ T5309] ? is_bpf_text_address+0x26/0x2b0 [ 96.264851][ T5309] panic+0xc5/0xd0 [ 96.266416][ T5309] ? __pfx_panic+0x10/0x10 [ 96.268489][ T5309] __warn+0x315/0x4c0 [ 96.270673][ T5309] ? __might_sleep+0x92/0xf0 [ 96.273095][ T5309] ? __might_sleep+0x92/0xf0 [ 96.275109][ T5309] __report_bug+0x276/0x570 [ 96.277059][ T5309] ? __might_sleep+0x92/0xf0 [ 96.279128][ T5309] ? __pfx___report_bug+0x10/0x10 [ 96.281322][ T5309] ? prepare_to_wait+0x174/0x210 [ 96.283477][ T5309] ? prepare_to_wait+0x174/0x210 [ 96.285642][ T5309] ? __might_sleep+0xb1/0xf0 [ 96.287648][ T5309] ? __might_sleep+0xac/0xf0 [ 96.289697][ T5309] report_bug_entry+0x19b/0x290 [ 96.291884][ T5309] ? __might_sleep+0xac/0xf0 [ 96.293645][ T5309] ? __might_sleep+0xb1/0xf0 [ 96.295570][ T5309] handle_bug+0xce/0x200 [ 96.297395][ T5309] exc_invalid_op+0x1a/0x50 [ 96.299399][ T5309] asm_exc_invalid_op+0x1a/0x20 [ 96.301491][ T5309] RIP: 0010:__might_sleep+0xac/0xf0 [ 96.303721][ T5309] Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 0e b7 c5 0e 43 80 3c 3c 00 74 08 48 89 df e8 6f f7 a1 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 [ 96.311823][ T5309] RSP: 0018:ffffc9000e9bf550 EFLAGS: 00010246 [ 96.314453][ T5309] RAX: 0000000000000000 RBX: ffff888000e6be00 RCX: ffffffff819f7ba4 [ 96.317898][ T5309] RDX: ffffffff819f7ba4 RSI: 0000000000000001 RDI: ffffffff905baf70 [ 96.321085][ T5309] RBP: 0000000000000001 R08: ffffc9000e9bf358 R09: 0000000000000020 [ 96.324112][ T5309] R10: 0000000000000000 R11: ffffffff81a2fec0 R12: 1ffff110001cd7c0 [ 96.327108][ T5309] R13: 0000000000000143 R14: ffffffff905baf70 R15: dffffc0000000000 [ 96.330679][ T5309] ? __pfx_hlock_conflict+0x10/0x10 [ 96.332900][ T5309] ? prepare_to_wait+0x174/0x210 [ 96.335080][ T5309] ? prepare_to_wait+0x174/0x210 [ 96.337339][ T5309] __kmalloc_cache_noprof+0x94/0x660 [ 96.339669][ T5309] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 96.341814][ T5309] ? spcp8x5_get_msr+0xd3/0x2d0 [ 96.343765][ T5309] ? spcp8x5_get_msr+0xd3/0x2d0 [ 96.345813][ T5309] spcp8x5_get_msr+0xd3/0x2d0 [ 96.347823][ T5309] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 96.350352][ T5309] spcp8x5_carrier_raised+0x30/0x80 [ 96.352634][ T5309] serial_port_carrier_raised+0x8c/0xc0 [ 96.355023][ T5309] tty_port_block_til_ready+0x44d/0x890 [ 96.357723][ T5309] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 96.360587][ T5309] ? __pfx_autoremove_wake_function+0x10/0x10 [ 96.363057][ T5309] ? _raw_spin_unlock_irq_enable+0x4f/0xa0 [ 96.365320][ T5309] ? tty_port_open+0x234/0x2b0 [ 96.367492][ T5309] tty_open+0x48a/0xcc0 [ 96.369285][ T5309] ? __pfx_tty_open+0x10/0x10 [ 96.371340][ T5309] ? do_raw_spin_unlock+0x4d/0x200 [ 96.373523][ T5309] chrdev_open+0x4d9/0x600 [ 96.375429][ T5309] ? __pfx_chrdev_open+0x10/0x10 [ 96.377528][ T5309] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 96.380042][ T5309] ? __pfx_chrdev_open+0x10/0x10 [ 96.382040][ T5309] do_dentry_open+0x816/0x1380 [ 96.383948][ T5309] vfs_open+0x3b/0x340 [ 96.385577][ T5309] ? path_openat+0x1428/0x1d60 [ 96.387617][ T5309] path_openat+0x1443/0x1d60 [ 96.389666][ T5309] do_file_open+0x23e/0x4a0 [ 96.391637][ T5309] ? __pfx_do_file_open+0x10/0x10 [ 96.393708][ T5309] ? _raw_spin_unlock+0x28/0x50 [ 96.395771][ T5309] ? alloc_fd+0x651/0x6c0 [ 96.397482][ T5309] do_sys_openat2+0x115/0x200 [ 96.399763][ T5309] ? __se_sys_futex+0x3a8/0x450 [ 96.402093][ T5309] ? __pfx_do_sys_openat2+0x10/0x10 [ 96.404510][ T5309] ? rcu_is_watching+0x16/0xb0 [ 96.406655][ T5309] __x64_sys_openat+0x138/0x170 [ 96.409003][ T5309] do_syscall_64+0x166/0x520 [ 96.411133][ T5309] ? trace_irq_disable+0x3b/0x140 [ 96.413233][ T5309] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.415776][ T5309] ? clear_bhb_loop+0x70/0xc0 [ 96.417857][ T5309] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.420406][ T5309] RIP: 0033:0x7f947919e0d9 [ 96.422252][ T5309] 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 [ 96.430886][ T5309] RSP: 002b:00007f947a117fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 96.434578][ T5309] RAX: ffffffffffffffda RBX: 00007f9479426090 RCX: 00007f947919e0d9 [ 96.438034][ T5309] RDX: 0000000000000000 RSI: 0000200000000700 RDI: ffffffffffffff9c [ 96.441237][ T5309] RBP: 00007f9479235024 R08: 0000000000000000 R09: 0000000000000000 [ 96.444602][ T5309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 96.448102][ T5309] R13: 00007f9479426128 R14: 00007f9479426090 R15: 00007fffd82c8668 [ 96.451604][ T5309] [ 96.453230][ T5309] Kernel Offset: disabled [ 96.454948][ T5309] Rebooting in 86400 seconds..