program: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$TIOCL_SETSEL(r0, 0x541c, &(0x7f00000000c0)={0x2, {0x2, 0x3bf, 0xb, 0x14a}}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r4 = syz_usb_connect(0x0, 0x39, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002ff00004071041e080001000000010902270001010080320904000003ff000000070581034000010705820200020007050302"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) syz_usb_control_io(r4, 0x0, 0x0) mprotect(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1) ioctl$TCSETS(r5, 0x5402, &(0x7f0000000040)={0x17, 0x5, 0x8, 0x1, 0xa, "9591c289333bef7d35119544ed641462d4304c"}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000002c0)={0x40, r2, 0x1, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5e}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '\xc3\xc7\xb9h>{r\xa5b\xee-'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4011}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)={0x2c, r2, 0x981, 0x2, 0x25dfdbf7, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/ptmx\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x6008014}, 0x0) ioctl$TCSETS2(r0, 0x402c542b, &(0x7f0000000040)={0xfffffe01, 0x80004ef, 0xfffffe01, 0x7fff, 0xb1, "f34c252d0500000000002000", 0x80, 0xd}) mkdir(&(0x7f0000000040)='./sys_mount\x00', 0x1ff) mount(0x0, &(0x7f00000000c0)='./sys_mount\x00', &(0x7f0000000100)='sysfs\x00', 0x1004c40, 0x0) r7 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./sys_mount/block/nullb0/queue/rotational\x00', 0x2, 0x0) pread64(r7, &(0x7f0000000000)=""/15, 0xf, 0x6) syz_usb_connect$rtl8150(0x0, 0x3f, &(0x7f00000003c0)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0x7c4, 0xa000, 0x1, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2d, 0x1, 0x1, 0x0, 0x80, 0xfa, "", {{0x9, 0x4, 0x0, 0x0, 0x3, 0x8, 0x6, 0xf2}}}}]}}, 0x0) r8 = syz_open_dev$usbfs(&(0x7f0000000080), 0xf, 0x8041) ioctl$USBDEVFS_DISCONNECT_CLAIM(r8, 0x8108551b, &(0x7f00000001c0)={0x0, 0x2, "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"}) lgetxattr(&(0x7f0000000200)='./file1\x00', &(0x7f0000000080)=@known='user.syz\x00', &(0x7f00000001c0)=""/55, 0x37) r9 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000700), 0x0, 0x0) ioctl$SOUND_MIXER_WRITE_VOLUME(r9, 0xc0040d07, &(0x7f0000000040)=0x21) ioctl$TIOCL_PASTESEL(r0, 0x541c, &(0x7f0000000000)) syz_mount_image$btrfs(&(0x7f0000005100), &(0x7f0000000040)='./file1\x00', 0xa08811, &(0x7f0000000280)={[{@nobarrier}, {@notreelog}, {@compress_force}, {@compress_algo={'compress', 0x3d, 'no'}}, {@usebackuproot}, {}, {@acl}, {@nodiscard}, {@check_int}, {@subvolid={'subvolid', 0x3d, 0xffffffff80000001}}, {@datacow}]}, 0xfb, 0x510f, 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qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqrCDhwIAAAAAAD5vzZCVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV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[ 93.904456][ T5278] Bluetooth: hci0: command tx timeout [ 94.230957][ T803] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 94.384041][ T803] usb 5-1: New USB device found, idVendor=0471, idProduct=081e, bcdDevice= 1.00 [ 94.390150][ T803] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x3 has invalid wMaxPacketSize 0 [ 94.395246][ T803] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 0 [ 94.399756][ T803] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.445874][ T803] spcp8x5 5-1:1.0: SPCP8x5 converter detected [ 94.485605][ T803] usb 5-1: SPCP8x5 converter now attached to ttyUSB0 [ 94.783286][ T5318] SPCP8x5 ttyUSB0: failed to set control lines: -110 [ 94.790901][ T5318] SPCP8x5 ttyUSB0: Set UART format 0x30b failed (error = -32) [ 94.795933][ T5318] SPCP8x5 ttyUSB0: failed to set control lines: -32 [ 94.885833][ T5318] SPCP8x5 ttyUSB0: Set UART format 0xb failed (error = -32) [ 94.901816][ T5318] Zero length message leads to an empty skb [ 94.915363][ T5318] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 94.926752][ T5318] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 94.932383][ T5318] ------------[ cut here ]------------ [ 94.935027][ T5318] do not call blocking ops when !TASK_RUNNING; state=1 set at [] prepare_to_wait+0x174/0x210 [ 94.940429][ T5318] WARNING: kernel/sched/core.c:9124 at __might_sleep+0x92/0xf0, CPU#0: syz.0.0/5318 [ 94.946341][ T5318] Modules linked in: [ 94.948778][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 94.953955][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.958933][ T5318] RIP: 0010:__might_sleep+0xac/0xf0 [ 94.961616][ T5318] 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 [ 94.971263][ T5318] RSP: 0018:ffffc9000e32f4f0 EFLAGS: 00010246 [ 94.974272][ T5318] RAX: 0000000000000000 RBX: ffff888000913db0 RCX: ffffffff819fa6a4 [ 94.978367][ T5318] RDX: ffffffff819fa6a4 RSI: 0000000000000001 RDI: ffffffff905ac010 [ 94.982010][ T5318] RBP: 0000000000000001 R08: ffffc9000e32f2f8 R09: 0000000000000020 [ 94.987529][ T5318] R10: 0000000000000000 R11: ffffffff81a324e0 R12: 1ffff110001227b6 [ 94.992205][ T5318] R13: 0000000000000143 R14: ffffffff905ac010 R15: dffffc0000000000 [ 94.996090][ T5318] FS: 00007f59a02c36c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 [ 94.999996][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.003172][ T5318] CR2: 0000200000000700 CR3: 00000000427f6000 CR4: 0000000000352ef0 [ 95.006833][ T5318] Call Trace: [ 95.008449][ T5318] [ 95.009849][ T5318] __kmalloc_cache_noprof+0x94/0x660 [ 95.012647][ T5318] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 95.015192][ T5318] ? spcp8x5_get_msr+0xd3/0x2d0 [ 95.017574][ T5318] ? spcp8x5_get_msr+0xd3/0x2d0 [ 95.019834][ T5318] spcp8x5_get_msr+0xd3/0x2d0 [ 95.022675][ T5318] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 95.025324][ T5318] spcp8x5_carrier_raised+0x30/0x80 [ 95.028031][ T5318] serial_port_carrier_raised+0x8c/0xc0 [ 95.030971][ T5318] tty_port_block_til_ready+0x449/0x8b0 [ 95.033672][ T5318] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 95.036706][ T5318] ? __pfx_autoremove_wake_function+0x10/0x10 [ 95.039646][ T5318] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 95.042517][ T5318] ? tty_port_open+0x237/0x2b0 [ 95.045224][ T5318] tty_open+0x48a/0xcc0 [ 95.047434][ T5318] ? __pfx_tty_open+0x10/0x10 [ 95.050055][ T5318] ? do_raw_spin_unlock+0x4d/0x210 [ 95.053843][ T5318] chrdev_open+0x4d9/0x600 [ 95.055953][ T5318] ? __pfx_chrdev_open+0x10/0x10 [ 95.058171][ T5318] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 95.060989][ T5318] ? __pfx_chrdev_open+0x10/0x10 [ 95.063317][ T5318] do_dentry_open+0x816/0x1380 [ 95.065692][ T5318] vfs_open+0x3b/0x340 [ 95.067601][ T5318] ? path_openat+0x2e2d/0x3830 [ 95.069757][ T5318] path_openat+0x2e44/0x3830 [ 95.071917][ T5318] ? kasan_save_track+0x3e/0x80 [ 95.075370][ T5318] ? do_sys_openat2+0xcc/0x200 [ 95.077585][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.080462][ T5318] do_file_open+0x23e/0x4a0 [ 95.082770][ T5318] ? __pfx_do_file_open+0x10/0x10 [ 95.085240][ T5318] ? _raw_spin_unlock+0x28/0x50 [ 95.087890][ T5318] ? alloc_fd+0x651/0x6c0 [ 95.090368][ T5318] do_sys_openat2+0x115/0x200 [ 95.092588][ T5318] ? __se_sys_futex+0x3a8/0x450 [ 95.094949][ T5318] ? __pfx_do_sys_openat2+0x10/0x10 [ 95.097360][ T5318] ? rcu_is_watching+0x15/0xb0 [ 95.101699][ T5318] __x64_sys_openat+0x138/0x170 [ 95.104264][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.107369][ T5318] do_syscall_64+0x174/0x580 [ 95.109718][ T5318] ? clear_bhb_loop+0x70/0xc0 [ 95.112093][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.114957][ T5318] RIP: 0033:0x7f599f39e0d9 [ 95.117073][ T5318] 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 [ 95.125944][ T5318] RSP: 002b:00007f59a02c2fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 95.129982][ T5318] RAX: ffffffffffffffda RBX: 00007f599f625fa0 RCX: 00007f599f39e0d9 [ 95.134158][ T5318] RDX: 0000000000000000 RSI: 0000200000000700 RDI: ffffffffffffff9c [ 95.138062][ T5318] RBP: 00007f599f435024 R08: 0000000000000000 R09: 0000000000000000 [ 95.141935][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 95.145717][ T5318] R13: 00007f599f626038 R14: 00007f599f625fa0 R15: 00007ffc486d5138 [ 95.149536][ T5318] [ 95.151234][ T5318] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 95.154931][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 95.159173][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 95.163445][ T5318] Call Trace: [ 95.165017][ T5318] [ 95.166352][ T5318] vpanic+0x56c/0xa60 [ 95.168159][ T5318] ? __pfx__printk+0x10/0x10 [ 95.170176][ T5318] ? __pfx_vpanic+0x10/0x10 [ 95.172238][ T5318] ? is_bpf_text_address+0x292/0x2b0 [ 95.174995][ T5318] ? is_bpf_text_address+0x26/0x2b0 [ 95.177575][ T5318] panic+0xc5/0xd0 [ 95.179470][ T5318] ? __pfx_panic+0x10/0x10 [ 95.181714][ T5318] __warn+0x315/0x4c0 [ 95.183825][ T5318] ? __might_sleep+0x92/0xf0 [ 95.186374][ T5318] ? __might_sleep+0x92/0xf0 [ 95.189446][ T5318] __report_bug+0x276/0x570 [ 95.191891][ T5318] ? __might_sleep+0x92/0xf0 [ 95.195331][ T5318] ? __pfx___report_bug+0x10/0x10 [ 95.198248][ T5318] ? prepare_to_wait+0x174/0x210 [ 95.200868][ T5318] ? prepare_to_wait+0x174/0x210 [ 95.203433][ T5318] ? irqentry_exit+0x218/0x8f0 [ 95.205929][ T5318] report_bug_entry+0x19a/0x290 [ 95.209199][ T5318] ? __might_sleep+0xac/0xf0 [ 95.211282][ T5318] ? __might_sleep+0xb1/0xf0 [ 95.213868][ T5318] handle_bug+0xce/0x200 [ 95.215850][ T5318] exc_invalid_op+0x1a/0x50 [ 95.218054][ T5318] asm_exc_invalid_op+0x1a/0x20 [ 95.220529][ T5318] RIP: 0010:__might_sleep+0xac/0xf0 [ 95.223135][ T5318] 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 [ 95.232121][ T5318] RSP: 0018:ffffc9000e32f4f0 EFLAGS: 00010246 [ 95.235185][ T5318] RAX: 0000000000000000 RBX: ffff888000913db0 RCX: ffffffff819fa6a4 [ 95.239072][ T5318] RDX: ffffffff819fa6a4 RSI: 0000000000000001 RDI: ffffffff905ac010 [ 95.242785][ T5318] RBP: 0000000000000001 R08: ffffc9000e32f2f8 R09: 0000000000000020 [ 95.246174][ T5318] R10: 0000000000000000 R11: ffffffff81a324e0 R12: 1ffff110001227b6 [ 95.249550][ T5318] R13: 0000000000000143 R14: ffffffff905ac010 R15: dffffc0000000000 [ 95.253091][ T5318] ? __pfx_hlock_conflict+0x10/0x10 [ 95.255587][ T5318] ? prepare_to_wait+0x174/0x210 [ 95.257904][ T5318] ? prepare_to_wait+0x174/0x210 [ 95.260219][ T5318] __kmalloc_cache_noprof+0x94/0x660 [ 95.262748][ T5318] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 95.265217][ T5318] ? spcp8x5_get_msr+0xd3/0x2d0 [ 95.267436][ T5318] ? spcp8x5_get_msr+0xd3/0x2d0 [ 95.269695][ T5318] spcp8x5_get_msr+0xd3/0x2d0 [ 95.272055][ T5318] ? __pfx_spcp8x5_carrier_raised+0x10/0x10 [ 95.274948][ T5318] spcp8x5_carrier_raised+0x30/0x80 [ 95.277580][ T5318] serial_port_carrier_raised+0x8c/0xc0 [ 95.280440][ T5318] tty_port_block_til_ready+0x449/0x8b0 [ 95.283142][ T5318] ? __pfx_tty_port_block_til_ready+0x10/0x10 [ 95.286033][ T5318] ? __pfx_autoremove_wake_function+0x10/0x10 [ 95.288905][ T5318] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 95.291624][ T5318] ? tty_port_open+0x237/0x2b0 [ 95.293942][ T5318] tty_open+0x48a/0xcc0 [ 95.296067][ T5318] ? __pfx_tty_open+0x10/0x10 [ 95.298437][ T5318] ? do_raw_spin_unlock+0x4d/0x210 [ 95.301212][ T5318] chrdev_open+0x4d9/0x600 [ 95.303311][ T5318] ? __pfx_chrdev_open+0x10/0x10 [ 95.306762][ T5318] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 95.309641][ T5318] ? __pfx_chrdev_open+0x10/0x10 [ 95.311807][ T5318] do_dentry_open+0x816/0x1380 [ 95.314057][ T5318] vfs_open+0x3b/0x340 [ 95.316011][ T5318] ? path_openat+0x2e2d/0x3830 [ 95.318418][ T5318] path_openat+0x2e44/0x3830 [ 95.320657][ T5318] ? kasan_save_track+0x3e/0x80 [ 95.323102][ T5318] ? do_sys_openat2+0xcc/0x200 [ 95.325184][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.327778][ T5318] do_file_open+0x23e/0x4a0 [ 95.329763][ T5318] ? __pfx_do_file_open+0x10/0x10 [ 95.331911][ T5318] ? _raw_spin_unlock+0x28/0x50 [ 95.334067][ T5318] ? alloc_fd+0x651/0x6c0 [ 95.335956][ T5318] do_sys_openat2+0x115/0x200 [ 95.338172][ T5318] ? __se_sys_futex+0x3a8/0x450 [ 95.340419][ T5318] ? __pfx_do_sys_openat2+0x10/0x10 [ 95.342815][ T5318] ? rcu_is_watching+0x15/0xb0 [ 95.345327][ T5318] __x64_sys_openat+0x138/0x170 [ 95.347730][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.350689][ T5318] do_syscall_64+0x174/0x580 [ 95.352732][ T5318] ? clear_bhb_loop+0x70/0xc0 [ 95.355019][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.357774][ T5318] RIP: 0033:0x7f599f39e0d9 [ 95.360510][ T5318] 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 [ 95.369939][ T5318] RSP: 002b:00007f59a02c2fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 95.374403][ T5318] RAX: ffffffffffffffda RBX: 00007f599f625fa0 RCX: 00007f599f39e0d9 [ 95.378357][ T5318] RDX: 0000000000000000 RSI: 0000200000000700 RDI: ffffffffffffff9c [ 95.382327][ T5318] RBP: 00007f599f435024 R08: 0000000000000000 R09: 0000000000000000 [ 95.386296][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 95.390355][ T5318] R13: 00007f599f626038 R14: 00007f599f625fa0 R15: 00007ffc486d5138 [ 95.393814][ T5318] [ 95.396319][ T5318] Kernel Offset: disabled [ 95.398530][ T5318] Rebooting in 86400 seconds..