program: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt(r0, 0x84, 0x81, &(0x7f00000000c0)="1a00000082000000", 0x8) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(r0, 0x84, 0x15, &(0x7f0000000080), 0x1) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000000)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) sendto$inet6(r0, &(0x7f0000000040)='l', 0x1, 0x0, &(0x7f0000000100)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x2400, 0x0) r2 = syz_usb_connect(0x0, 0x39, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002ff00004071041e080001000000010902270001010080320904000003ff000000070581034000010705820200020007050302"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) ioctl$TCSETS(r3, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x1, 0x1, 0xa, "9591c289333bef7d35119544ed641462d4304c"}) r4 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_GET_REGS(r5, 0x8090ae81, &(0x7f0000000140)) write$binfmt_script(r0, &(0x7f0000000180)={'#! ', './file0'}, 0xb) write$binfmt_script(r0, &(0x7f0000000140)={'#! ', './file0'}, 0xffed) socket$inet6_sctp(0xa, 0x1, 0x84) (async) setsockopt(r0, 0x84, 0x81, &(0x7f00000000c0)="1a00000082000000", 0x8) (async) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(r0, 0x84, 0x15, &(0x7f0000000080), 0x1) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000000)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) (async) sendto$inet6(r0, &(0x7f0000000040)='l', 0x1, 0x0, &(0x7f0000000100)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (async) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x2400, 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(r2, 0x0, 0x0) (async) ioctl$TCSETS(r3, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x1, 0x1, 0xa, "9591c289333bef7d35119544ed641462d4304c"}) (async) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) (async) ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) (async) ioctl$KVM_GET_REGS(r5, 0x8090ae81, &(0x7f0000000140)) (async) write$binfmt_script(r0, &(0x7f0000000180)={'#! ', './file0'}, 0xb) (async) write$binfmt_script(r0, &(0x7f0000000140)={'#! ', './file0'}, 0xffed) (async) [ 110.420731][ T44] Bluetooth: hci0: command tx timeout [ 110.884609][ T5309] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 111.056897][ T5309] usb 5-1: New USB device found, idVendor=0471, idProduct=081e, bcdDevice= 1.00 [ 111.067510][ T5309] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x3 has invalid wMaxPacketSize 0 [ 111.072994][ T5309] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 0 [ 111.078162][ T5309] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 111.152613][ T5309] spcp8x5 5-1:1.0: SPCP8x5 converter detected [ 111.178835][ T5309] usb 5-1: SPCP8x5 converter now attached to ttyUSB0 [ 111.508255][ T5311] SPCP8x5 ttyUSB0: failed to set control lines: -110 [ 111.518245][ T5311] SPCP8x5 ttyUSB0: Set UART format 0x30b failed (error = -32) [ 111.524078][ T5311] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 111.597175][ T5311] SPCP8x5 ttyUSB0: unsupported baudrate, using 9600 [ 111.616704][ T5311] SPCP8x5 ttyUSB0: Set UART format 0x0 failed (error = -32) [ 111.688237][ T5312] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 111.715496][ T5311] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 111.729730][ T5312] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 111.737881][ T5311] ------------[ cut here ]------------ [ 111.741128][ T5311] do not call blocking ops when !TASK_RUNNING; state=1 set at [] prepare_to_wait+0x174/0x210 [ 111.750956][ T5311] WARNING: kernel/sched/core.c:9124 at __might_sleep+0x92/0xf0, CPU#0: syz.0.0/5311 [ 111.756367][ T5311] Modules linked in: [ 111.758602][ T5311] CPU: 0 UID: 0 PID: 5311 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 111.764058][ T5311] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 111.771131][ T5311] RIP: 0010:__might_sleep+0xac/0xf0 [ 111.773724][ T5311] Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 9e b0 c4 0e 43 80 3c 3c 00 74 08 48 89 df e8 1f 37 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 [ 111.786336][ T5311] RSP: 0018:ffffc9000edaf4f0 EFLAGS: 00010246 [ 111.789730][ T5311] RAX: 0000000000000000 RBX: ffff888000ab3db0 RCX: ffffffff819fa6a4 [ 111.794305][ T5311] RDX: ffffffff819fa6a4 RSI: 0000000000000001 RDI: ffffffff905ac010 [ 111.799451][ T5311] RBP: 0000000000000001 R08: ffffc9000edaf2f8 R09: 0000000000000020 [ 111.803591][ T5311] R10: 0000000000000000 R11: ffffffff81a324e0 R12: 1ffff110001567b6 [ 111.808782][ T5311] R13: 0000000000000143 R14: ffffffff905ac010 R15: dffffc0000000000 [ 111.813294][ T5311] FS: 00007fb9cf32a6c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 [ 111.818283][ T5311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.828016][ T5311] CR2: 00007fb9cf2c6fe8 CR3: 000000003c12d000 CR4: 0000000000352ef0 [ 111.833887][ T5311] Call Trace: [ 111.836907][ T5311] [ 111.838654][ T5311] __kmalloc_cache_noprof+0x94/0x660 [ 111.841291][ T5311] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 111.844039][ T5311] ? spcp8x5_get_msr+0xd3/0x2d0 [ 111.847025][ T5311] ? spcp8x5_get_msr+0xd3/0x2d0 [ 111.850626][ T5311] spcp8x5_get_msr+0xd3/0x2d0 [ 111.853407][ T5311] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 111.856673][ T5311] spcp8x5_carrier_raised+0x30/0x80 [ 111.859372][ T5311] serial_port_carrier_raised+0x8c/0xc0 [ 111.863735][ T5311] tty_port_block_til_ready+0x449/0x8b0 [ 111.867287][ T5311] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 111.870142][ T5311] ? __pfx_autoremove_wake_function+0x10/0x10 [ 111.873307][ T5311] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 111.877083][ T5311] ? tty_port_open+0x237/0x2b0 [ 111.880171][ T5311] tty_open+0x48a/0xcc0 [ 111.882363][ T5311] ? __pfx_tty_open+0x10/0x10 [ 111.885802][ T5311] ? do_raw_spin_unlock+0x4d/0x210 [ 111.891301][ T5311] chrdev_open+0x4d9/0x600 [ 111.894684][ T5311] ? __pfx_chrdev_open+0x10/0x10 [ 111.897628][ T5311] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 111.900540][ T5311] ? __pfx_chrdev_open+0x10/0x10 [ 111.903096][ T5311] do_dentry_open+0x816/0x1380 [ 111.906715][ T5311] vfs_open+0x3b/0x340 [ 111.909469][ T5311] ? path_openat+0x2e2d/0x3830 [ 111.911970][ T5311] path_openat+0x2e44/0x3830 [ 111.914349][ T5311] ? kasan_save_track+0x3e/0x80 [ 111.917189][ T5311] ? do_sys_openat2+0xcc/0x200 [ 111.920257][ T5311] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.924517][ T5311] do_file_open+0x23e/0x4a0 [ 111.927215][ T5311] ? __pfx_do_file_open+0x10/0x10 [ 111.929950][ T5311] ? _raw_spin_unlock+0x28/0x50 [ 111.932856][ T5311] ? alloc_fd+0x651/0x6c0 [ 111.936408][ T5311] do_sys_openat2+0x115/0x200 [ 111.939417][ T5311] ? __pfx_do_sys_openat2+0x10/0x10 [ 111.942467][ T5311] ? __irq_exit_rcu+0xca/0x220 [ 111.944710][ T5311] ? handle_softirqs+0x70f/0x840 [ 111.947238][ T5311] __x64_sys_openat+0x138/0x170 [ 111.950441][ T5311] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.954370][ T5311] do_syscall_64+0x174/0x580 [ 111.956708][ T5311] ? clear_bhb_loop+0x70/0xc0 [ 111.959130][ T5311] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.962545][ T5311] RIP: 0033:0x7fb9ce39e0d9 [ 111.965557][ T5311] 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 [ 111.976086][ T5311] RSP: 002b:00007fb9cf329fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 111.981131][ T5311] RAX: ffffffffffffffda RBX: 00007fb9ce625fa0 RCX: 00007fb9ce39e0d9 [ 111.984991][ T5311] RDX: 0000000000000000 RSI: 0000200000000700 RDI: ffffffffffffff9c [ 111.989664][ T5311] RBP: 00007fb9ce435024 R08: 0000000000000000 R09: 0000000000000000 [ 111.994726][ T5311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 111.998628][ T5311] R13: 00007fb9ce626038 R14: 00007fb9ce625fa0 R15: 00007ffe6416e0b8 [ 112.003558][ T5311] [ 112.006054][ T5311] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 112.009680][ T5311] CPU: 0 UID: 0 PID: 5311 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 112.013472][ T5311] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 112.019404][ T5311] Call Trace: [ 112.021135][ T5311] [ 112.022568][ T5311] vpanic+0x56c/0xa60 [ 112.024501][ T5311] ? __pfx__printk+0x10/0x10 [ 112.026974][ T5311] ? __pfx_vpanic+0x10/0x10 [ 112.029637][ T5311] ? is_bpf_text_address+0x292/0x2b0 [ 112.032945][ T5311] ? is_bpf_text_address+0x26/0x2b0 [ 112.035555][ T5311] panic+0xc5/0xd0 [ 112.037435][ T5311] ? __pfx_panic+0x10/0x10 [ 112.039929][ T5311] __warn+0x315/0x4c0 [ 112.042449][ T5311] ? __might_sleep+0x92/0xf0 [ 112.045344][ T5311] ? __might_sleep+0x92/0xf0 [ 112.047952][ T5311] __report_bug+0x276/0x570 [ 112.050230][ T5311] ? __might_sleep+0x92/0xf0 [ 112.052885][ T5311] ? __pfx___report_bug+0x10/0x10 [ 112.056110][ T5311] ? prepare_to_wait+0x174/0x210 [ 112.059073][ T5311] ? prepare_to_wait+0x174/0x210 [ 112.061779][ T5311] report_bug_entry+0x19a/0x290 [ 112.064192][ T5311] ? __might_sleep+0xac/0xf0 [ 112.066887][ T5311] ? __might_sleep+0xb1/0xf0 [ 112.069842][ T5311] handle_bug+0xce/0x200 [ 112.072303][ T5311] exc_invalid_op+0x1a/0x50 [ 112.074573][ T5311] asm_exc_invalid_op+0x1a/0x20 [ 112.076946][ T5311] RIP: 0010:__might_sleep+0xac/0xf0 [ 112.079791][ T5311] Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 9e b0 c4 0e 43 80 3c 3c 00 74 08 48 89 df e8 1f 37 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 [ 112.089758][ T5311] RSP: 0018:ffffc9000edaf4f0 EFLAGS: 00010246 [ 112.093178][ T5311] RAX: 0000000000000000 RBX: ffff888000ab3db0 RCX: ffffffff819fa6a4 [ 112.097827][ T5311] RDX: ffffffff819fa6a4 RSI: 0000000000000001 RDI: ffffffff905ac010 [ 112.101934][ T5311] RBP: 0000000000000001 R08: ffffc9000edaf2f8 R09: 0000000000000020 [ 112.105503][ T5311] R10: 0000000000000000 R11: ffffffff81a324e0 R12: 1ffff110001567b6 [ 112.109622][ T5311] R13: 0000000000000143 R14: ffffffff905ac010 R15: dffffc0000000000 [ 112.114699][ T5311] ? __pfx_hlock_conflict+0x10/0x10 [ 112.117369][ T5311] ? prepare_to_wait+0x174/0x210 [ 112.119594][ T5311] ? prepare_to_wait+0x174/0x210 [ 112.122169][ T5311] __kmalloc_cache_noprof+0x94/0x660 [ 112.125503][ T5311] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 112.128675][ T5311] ? spcp8x5_get_msr+0xd3/0x2d0 [ 112.131148][ T5311] ? spcp8x5_get_msr+0xd3/0x2d0 [ 112.133606][ T5311] spcp8x5_get_msr+0xd3/0x2d0 [ 112.136116][ T5311] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 112.139822][ T5311] spcp8x5_carrier_raised+0x30/0x80 [ 112.142735][ T5311] serial_port_carrier_raised+0x8c/0xc0 [ 112.145339][ T5311] tty_port_block_til_ready+0x449/0x8b0 [ 112.147850][ T5311] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 112.151209][ T5311] ? __pfx_autoremove_wake_function+0x10/0x10 [ 112.154770][ T5311] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 112.158070][ T5311] ? tty_port_open+0x237/0x2b0 [ 112.160368][ T5311] tty_open+0x48a/0xcc0 [ 112.162682][ T5311] ? __pfx_tty_open+0x10/0x10 [ 112.165879][ T5311] ? do_raw_spin_unlock+0x4d/0x210 [ 112.168916][ T5311] chrdev_open+0x4d9/0x600 [ 112.171359][ T5311] ? __pfx_chrdev_open+0x10/0x10 [ 112.173543][ T5311] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 112.177245][ T5311] ? __pfx_chrdev_open+0x10/0x10 [ 112.181218][ T5311] do_dentry_open+0x816/0x1380 [ 112.184120][ T5311] vfs_open+0x3b/0x340 [ 112.186090][ T5311] ? path_openat+0x2e2d/0x3830 [ 112.188428][ T5311] path_openat+0x2e44/0x3830 [ 112.191260][ T5311] ? kasan_save_track+0x3e/0x80 [ 112.194089][ T5311] ? do_sys_openat2+0xcc/0x200 [ 112.197278][ T5311] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.200672][ T5311] do_file_open+0x23e/0x4a0 [ 112.202790][ T5311] ? __pfx_do_file_open+0x10/0x10 [ 112.205203][ T5311] ? _raw_spin_unlock+0x28/0x50 [ 112.208275][ T5311] ? alloc_fd+0x651/0x6c0 [ 112.211087][ T5311] do_sys_openat2+0x115/0x200 [ 112.213642][ T5311] ? __pfx_do_sys_openat2+0x10/0x10 [ 112.216066][ T5311] ? __irq_exit_rcu+0xca/0x220 [ 112.218271][ T5311] ? handle_softirqs+0x70f/0x840 [ 112.221783][ T5311] __x64_sys_openat+0x138/0x170 [ 112.225014][ T5311] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.227888][ T5311] do_syscall_64+0x174/0x580 [ 112.230107][ T5311] ? clear_bhb_loop+0x70/0xc0 [ 112.232688][ T5311] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.236256][ T5311] RIP: 0033:0x7fb9ce39e0d9 [ 112.238992][ T5311] 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 [ 112.248796][ T5311] RSP: 002b:00007fb9cf329fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 112.253989][ T5311] RAX: ffffffffffffffda RBX: 00007fb9ce625fa0 RCX: 00007fb9ce39e0d9 [ 112.257542][ T5311] RDX: 0000000000000000 RSI: 0000200000000700 RDI: ffffffffffffff9c [ 112.261596][ T5311] RBP: 00007fb9ce435024 R08: 0000000000000000 R09: 0000000000000000 [ 112.266438][ T5311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 112.270256][ T5311] R13: 00007fb9ce626038 R14: 00007fb9ce625fa0 R15: 00007ffe6416e0b8 [ 112.274153][ T5311] [ 112.276434][ T5311] Kernel Offset: disabled [ 112.278786][ T5311] Rebooting in 86400 seconds..