On Wed, Jul 24, 2019 at 11:16 PM syzbot <syzbot+ef5de9c4f99c4edb4e49@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot tried to test the proposed patch but build/boot failed: 5.3-rc1 has a boot time bug, so the usb-fuzzer branch is broken right now. Could you try using the usb-fuzzer-usb-testing-2019.07.11 branch instead for testing your patches? > > T1] devtmpfs: initialized > [ 2.873454][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: > 0xffffffff, max_idle_ns: 19112604462750000 ns > [ 2.873454][ T1] futex hash table entries: 512 (order: 4, 65536 > bytes, linear) > [ 2.875783][ T1] PM: RTC time: 21:05:06, date: 2019-07-24 > [ 2.882105][ T1] NET: Registered protocol family 16 > [ 2.886588][ T1] audit: initializing netlink subsys (disabled) > [ 2.888579][ T22] audit: type=2000 audit(1564002306.507:1): > state=initialized audit_enabled=0 res=1 > [ 2.888579][ T1] cpuidle: using governor menu > [ 2.893505][ T1] ACPI: bus type PCI registered > [ 2.894935][ T1] PCI: Using configuration type 1 for base access > [ 3.002926][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated > 0 pages > [ 3.003285][ T27] cryptomgr_test (27) used greatest stack depth: 30208 > bytes left > [ 3.003285][ T29] kworker/u4:0 (29) used greatest stack depth: 27608 > bytes left > [ 3.011409][ T43] kworker/u4:0 (43) used greatest stack depth: 27120 > bytes left > [ 3.022044][ T1] ACPI: Added _OSI(Module Device) > [ 3.022884][ T1] ACPI: Added _OSI(Processor Device) > [ 3.023651][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) > [ 3.031207][ T1] ACPI: Added _OSI(Processor Aggregator Device) > [ 3.031207][ T1] ACPI: Added _OSI(Linux-Dell-Video) > [ 3.031249][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) > [ 3.032156][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) > [ 3.082907][ T1] ACPI: 2 ACPI AML tables successfully acquired and > loaded > [ 3.097843][ T1] ACPI: Interpreter enabled > [ 3.098853][ T1] ACPI: (supports S0 S3 S4 S5) > [ 3.099590][ T1] ACPI: Using IOAPIC for interrupt routing > [ 3.100591][ T1] PCI: Using host bridge windows from ACPI; if > necessary, use "pci=nocrs" and report a bug > [ 3.104257][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F > [ 3.182493][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus > 00-ff]) > [ 3.183851][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM > Segments MSI HPX-Type3] > [ 3.185519][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, > can't access extended PCI configuration space under this bridge. > [ 3.192575][ T1] PCI host bridge to bus 0000:00 > [ 3.193286][ T1] pci_bus 0000:00: root bus resource [io > 0x0000-0x0cf7 window] > [ 3.194360][ T1] pci_bus 0000:00: root bus resource [io > 0x0d00-0xffff window] > [ 3.195393][ T1] pci_bus 0000:00: root bus resource [mem > 0x000a0000-0x000bffff window] > [ 3.196522][ T1] pci_bus 0000:00: root bus resource [mem > 0xc0000000-0xfebfffff window] > [ 3.197715][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] > [ 3.198886][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 > [ 3.204649][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 > [ 3.222865][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 > [ 3.241306][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed > by PIIX4 ACPI > [ 3.245348][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 > [ 3.251166][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] > [ 3.255600][ T1] pci 0000:00:03.0: reg 0x14: [mem > 0xfebfe000-0xfebfe07f] > [ 3.271694][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 > [ 3.277964][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] > [ 3.283798][ T1] pci 0000:00:04.0: reg 0x14: [mem > 0xfebff000-0xfebff07f] > [ 3.310020][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) > [ 3.314509][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) > [ 3.318340][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) > [ 3.322364][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) > [ 3.324796][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) > [ 3.332253][ T1] vgaarb: loaded > [ 3.333359][ T1] SCSI subsystem initialized > [ 3.334153][ T1] ACPI: bus type USB registered > [ 3.334153][ T1] usbcore: registered new interface driver usbfs > [ 3.334153][ T1] usbcore: registered new interface driver hub > [ 3.341195][ T1] usbcore: registered new device driver usb > [ 3.341471][ T1] mc: Linux media interface: v0.10 > [ 3.342295][ T1] videodev: Linux video capture interface: v2.00 > [ 3.343599][ T1] pps_core: LinuxPPS API ver. 1 registered > [ 3.344464][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 > Rodolfo Giometti <giometti@xxxxxxxx> > [ 3.345876][ T1] PTP clock support registered > [ 3.346781][ T1] EDAC MC: Ver: 3.0.0 > [ 3.346781][ T1] Advanced Linux Sound Architecture Driver Initialized. > [ 3.346781][ T1] PCI: Using ACPI for IRQ routing > [ 3.353286][ T1] Bluetooth: Core ver 2.22 > [ 3.354202][ T1] NET: Registered protocol family 31 > [ 3.354955][ T1] Bluetooth: HCI device and connection manager > initialized > [ 3.355989][ T1] Bluetooth: HCI socket layer initialized > [ 3.356767][ T1] Bluetooth: L2CAP socket layer initialized > [ 3.357644][ T1] Bluetooth: SCO socket layer initialized > [ 3.358472][ T1] NET: Registered protocol family 8 > [ 3.359220][ T1] NET: Registered protocol family 20 > [ 3.360093][ T1] NetLabel: Initializing > [ 3.360715][ T1] NetLabel: domain hash size = 128 > [ 3.361148][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO > [ 3.362492][ T1] NetLabel: unlabeled traffic allowed by default > [ 3.363724][ T1] nfc: nfc_init: NFC Core ver 0.1 > [ 3.363724][ T1] NET: Registered protocol family 39 > [ 3.365420][ T1] clocksource: Switched to clocksource kvm-clock > [ 4.371843][ T1] VFS: Disk quotas dquot_6.6.0 > [ 4.372992][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, > 4096 bytes) > [ 4.374598][ T1] *** VALIDATE hugetlbfs *** > [ 4.376107][ T1] pnp: PnP ACPI init > [ 4.387313][ T1] pnp: PnP ACPI: found 7 devices > [ 4.413711][ T1] thermal_sys: Registered thermal governor 'step_wise' > [ 4.413717][ T1] thermal_sys: Registered thermal governor 'user_space' > [ 4.419892][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: > 0xffffff, max_idle_ns: 2085701024 ns > [ 4.422972][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 > window] > [ 4.424189][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff > window] > [ 4.425394][ T1] pci_bus 0000:00: resource 6 [mem > 0x000a0000-0x000bffff window] > [ 4.426791][ T1] pci_bus 0000:00: resource 7 [mem > 0xc0000000-0xfebfffff window] > [ 4.428947][ T1] NET: Registered protocol family 2 > [ 4.431371][ T1] tcp_listen_portaddr_hash hash table entries: 4096 > (order: 6, 294912 bytes, linear) > [ 4.433417][ T1] TCP established hash table entries: 65536 (order: 7, > 524288 bytes, linear) > [ 4.435847][ T1] TCP bind hash table entries: 65536 (order: 10, > 4194304 bytes, linear) > [ 4.443410][ T1] TCP: Hash tables configured (established 65536 bind > 65536) > [ 4.445306][ T1] UDP hash table entries: 4096 (order: 7, 655360 > bytes, linear) > [ 4.447824][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 > bytes, linear) > [ 4.450432][ T1] NET: Registered protocol family 1 > [ 4.453345][ T1] RPC: Registered named UNIX socket transport module. > [ 4.454510][ T1] RPC: Registered udp transport module. > [ 4.455454][ T1] RPC: Registered tcp transport module. > [ 4.456446][ T1] RPC: Registered tcp NFSv4.1 backchannel transport > module. > [ 4.458621][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers > [ 4.459864][ T1] PCI: CLS 0 bytes, default 64 > [ 4.461378][ T1] PCI-DMA: Using software bounce buffering for IO > (SWIOTLB) > [ 4.462761][ T1] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] > (64MB) > [ 4.466413][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed > counters, 10737418240 ms ovfl timer > [ 4.467994][ T1] clocksource: tsc: mask: 0xffffffffffffffff > max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns > [ 4.469791][ T1] clocksource: Switched to clocksource tsc > [ 4.473423][ T1] check: Scanning for low memory corruption every 60 > seconds > [ 4.478343][ T1] Initialise system trusted keyrings > [ 4.479810][ T1] workingset: timestamp_bits=40 max_order=21 > bucket_order=0 > [ 4.521420][ T1] NFS: Registering the id_resolver key type > [ 4.522729][ T1] Key type id_resolver registered > [ 4.523526][ T1] Key type id_legacy registered > [ 4.524942][ T1] 9p: Installing v9fs 9p2000 file system support > [ 4.531784][ T1] Key type asymmetric registered > [ 4.532779][ T1] Asymmetric key parser 'x509' registered > [ 4.533772][ T1] Block layer SCSI generic (bsg) driver version 0.4 > loaded (major 247) > [ 4.535226][ T1] io scheduler mq-deadline registered > [ 4.536032][ T1] io scheduler kyber registered > [ 4.539777][ T1] usbcore: registered new interface driver udlfb > [ 4.541021][ T1] usbcore: registered new interface driver smscufx > [ 4.543014][ T1] input: Power Button as > /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 > [ 4.544520][ T1] ACPI: Power Button [PWRF] > [ 4.545743][ T1] input: Sleep Button as > /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 > [ 4.547129][ T1] ACPI: Sleep Button [SLPF] > [ 4.560609][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 > [ 4.562043][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for > legacy driver > [ 4.575190][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 > [ 4.576547][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for > legacy driver > [ 4.582237][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing > enabled > [ 4.606272][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = > 115200) is a 16550A > [ 4.631884][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = > 115200) is a 16550A > [ 4.656881][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = > 115200) is a 16550A > [ 4.682193][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = > 115200) is a 16550A > [ 4.687302][ T1] Non-volatile memory driver v1.3 > [ 4.688815][ T1] Linux agpgart interface v0.103 > [ 4.695497][ T1] usbcore: registered new interface driver udl > [ 4.719445][ T1] loop: module loaded > [ 4.721039][ T1] usbcore: registered new interface driver rtsx_usb > [ 4.723136][ T1] usbcore: registered new interface driver viperboard > [ 4.725065][ T1] usbcore: registered new interface driver dln2 > [ 4.726853][ T1] usbcore: registered new interface driver pn533_usb > [ 4.729089][ T1] usbcore: registered new interface driver port100 > [ 4.731604][ T1] usbcore: registered new interface driver nfcmrvl > [ 4.746210][ T1] scsi host0: Virtio SCSI HBA > [ 4.792288][ T1] kasan: CONFIG_KASAN_INLINE enabled > [ 4.793729][ T1] kasan: GPF could be caused by NULL-ptr deref or user > memory access > [ 4.795771][ T1] general protection fault: 0000 [#1] SMP KASAN > [ 4.797547][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.3.0-rc1+ > #1 > [ 4.799786][ T1] Hardware name: Google Google Compute Engine/Google > Compute Engine, BIOS Google 01/01/2011 > [ 4.801153][ T1] RIP: 0010:dma_direct_max_mapping_size+0x73/0x19a > [ 4.801153][ T1] Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 1e > 01 00 00 48 8b 9d 38 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 > ea 03 <80> 3c 02 00 0f 85 06 01 00 00 48 8d bd 48 03 00 00 48 8b 1b 48 b8 > [ 4.801153][ T1] RSP: 0000:ffff8881da18f628 EFLAGS: 00010246 > [ 4.801153][ T1] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: > ffffffff812d716c > [ 4.801153][ T1] RDX: 0000000000000000 RSI: ffffffff812d7189 RDI: > ffff8881d829fa78 > [ 4.801153][ T1] RBP: ffff8881d829f740 R08: ffff8881da180000 R09: > ffffed103ad210cb > [ 4.801153][ T1] R10: ffffed103ad210ca R11: ffff8881d6908657 R12: > ffff8881d829f740 > [ 4.801153][ T1] R13: ffff8881d76a57b0 R14: 0000000000000200 R15: > 0000000000000000 > [ 4.801153][ T1] FS: 0000000000000000(0000) > GS:ffff8881db300000(0000) knlGS:0000000000000000 > [ 4.801153][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 4.801153][ T1] CR2: 0000000000000000 CR3: 0000000006a21000 CR4: > 00000000001406e0 > [ 4.801153][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 4.801153][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: > 0000000000000400 > [ 4.801153][ T1] Call Trace: > [ 4.801153][ T1] dma_max_mapping_size+0xb5/0xf0 > [ 4.801153][ T1] __scsi_init_queue+0x17e/0x510 > [ 4.801153][ T1] scsi_mq_alloc_queue+0xcb/0x170 > [ 4.801153][ T1] scsi_alloc_sdev+0x82e/0xc50 > [ 4.801153][ T1] scsi_probe_and_add_lun+0x1ee5/0x2cd0 > [ 4.801153][ T1] ? find_held_lock+0x2d/0x110 > [ 4.801153][ T1] ? __pm_runtime_resume+0x111/0x180 > [ 4.801153][ T1] ? scsi_alloc_sdev+0xc50/0xc50 > [ 4.801153][ T1] ? mark_held_locks+0x9f/0xe0 > [ 4.801153][ T1] ? _raw_spin_unlock_irqrestore+0x3e/0x50 > [ 4.801153][ T1] ? lockdep_hardirqs_on+0x379/0x580 > [ 4.801153][ T1] __scsi_scan_target+0x273/0xc30 > [ 4.801153][ T1] ? find_held_lock+0x2d/0x110 > [ 4.801153][ T1] ? __pm_runtime_resume+0x111/0x180 > [ 4.801153][ T1] ? scsi_probe_and_add_lun+0x2cd0/0x2cd0 > [ 4.801153][ T1] ? mark_lock+0xbc/0x1130 > [ 4.801153][ T1] scsi_scan_channel.part.0+0x126/0x1a0 > [ 4.801153][ T1] scsi_scan_host_selected+0x2bb/0x3f0 > [ 4.801153][ T1] do_scsi_scan_host+0x1e8/0x260 > [ 4.801153][ T1] scsi_scan_host+0x37c/0x440 > [ 4.801153][ T1] virtscsi_probe+0x9b7/0xbb5 > [ 4.801153][ T1] ? virtscsi_restore+0x240/0x240 > [ 4.801153][ T1] virtio_dev_probe+0x463/0x710 > [ 4.801153][ T1] ? virtio_device_restore+0x1f0/0x1f0 > [ 4.801153][ T1] really_probe+0x281/0x650 > [ 4.801153][ T1] driver_probe_device+0x101/0x1b0 > [ 4.801153][ T1] device_driver_attach+0x108/0x140 > [ 4.801153][ T1] __driver_attach+0xda/0x240 > [ 4.801153][ T1] ? device_driver_attach+0x140/0x140 > [ 4.801153][ T1] bus_for_each_dev+0x14b/0x1d0 > [ 4.801153][ T1] ? subsys_dev_iter_exit+0x20/0x20 > [ 4.801153][ T1] bus_add_driver+0x44e/0x5a0 > [ 4.801153][ T1] driver_register+0x1c4/0x320 > [ 4.801153][ T1] ? spi_transport_init+0x132/0x132 > [ 4.801153][ T1] init+0xa1/0x115 > [ 4.801153][ T1] do_one_initcall+0xf0/0x614 > [ 4.801153][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 > [ 4.801153][ T1] ? parameq+0x110/0x160 > [ 4.801153][ T1] kernel_init_freeable+0x4a9/0x596 > [ 4.801153][ T1] ? rest_init+0x371/0x371 > [ 4.801153][ T1] kernel_init+0xd/0x1bf > [ 4.801153][ T1] ret_from_fork+0x24/0x30 > [ 4.801153][ T1] Modules linked in: > [ 4.899360][ T1] ---[ end trace 6822302347232fe4 ]--- > [ 4.900898][ T1] RIP: 0010:dma_direct_max_mapping_size+0x73/0x19a > [ 4.902841][ T1] Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 1e > 01 00 00 48 8b 9d 38 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 > ea 03 <80> 3c 02 00 0f 85 06 01 00 00 48 8d bd 48 03 00 00 48 8b 1b 48 b8 > [ 4.908805][ T1] RSP: 0000:ffff8881da18f628 EFLAGS: 00010246 > [ 4.910502][ T1] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: > ffffffff812d716c > [ 4.913042][ T1] RDX: 0000000000000000 RSI: ffffffff812d7189 RDI: > ffff8881d829fa78 > [ 4.915172][ T1] RBP: ffff8881d829f740 R08: ffff8881da180000 R09: > ffffed103ad210cb > [ 4.917564][ T1] R10: ffffed103ad210ca R11: ffff8881d6908657 R12: > ffff8881d829f740 > [ 4.919814][ T1] R13: ffff8881d76a57b0 R14: 0000000000000200 R15: > 0000000000000000 > [ 4.922373][ T1] FS: 0000000000000000(0000) > GS:ffff8881db300000(0000) knlGS:0000000000000000 > [ 4.925294][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 4.927267][ T1] CR2: 0000000000000000 CR3: 0000000006a21000 CR4: > 00000000001406e0 > [ 4.929685][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 4.931826][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: > 0000000000000400 > [ 4.934300][ T1] Kernel panic - not syncing: Fatal exception > [ 4.936582][ T1] Kernel Offset: disabled > [ 4.937961][ T1] Rebooting in 86400 seconds.. > > > Error text is too large and was truncated, full error text is at: > https://syzkaller.appspot.com/x/error.txt?x=138cfa5c600000 > > > Tested on: > > commit: 1154c0b0 wip > git tree: https://github.com/google/kasan.git usb-fuzzer > kernel config: https://syzkaller.appspot.com/x/.config?x=b228fb19779df17d > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > patch: https://syzkaller.appspot.com/x/patch.diff?x=17678cc8600000 >
