failed to run ["ssh" "-p" "19569" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@localhost" "pwd"]: exit status 255
Connection timed out during banner exchange
Connection to 127.0.0.1 port 19569 timed out

OpenSBI v0.8
   ____                    _____ ____ _____
  / __ \                  / ____|  _ \_   _|
 | |  | |_ __   ___ _ __ | (___ | |_) || |
 | |  | | '_ \ / _ \ '_ \ \___ \|  _ < | |
 | |__| | |_) |  __/ | | |____) | |_) || |_
  \____/| .__/ \___|_| |_|_____/|____/_____|
        | |
        |_|

Platform Name       : riscv-virtio,qemu
Platform Features   : timer,mfdeleg
Platform HART Count : 2
Boot HART ID        : 0
Boot HART ISA       : rv64imafdcsu
BOOT HART Features  : pmp,scounteren,mcounteren,time
BOOT HART PMP Count : 16
Firmware Base       : 0x80000000
Firmware Size       : 104 KB
Runtime SBI Version : 0.2

MIDELEG : 0x0000000000000222
MEDELEG : 0x000000000000b109
PMP0    : 0x0000000080000000-0x000000008001ffff (A)
PMP1    : 0x0000000000000000-0xffffffffffffffff (A,R,W,X)
[    0.000000][    T0] Linux version 5.19.0-rc1-syzkaller (syzkaller@syzkaller) (riscv64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #0 SMP PREEMPT now
[    0.000000][    T0] OF: fdt: Ignoring memory range 0x80000000 - 0x80200000
[    0.000000][    T0] Machine model: riscv-virtio,qemu
[    0.000000][    T0] **********************************************************
[    0.000000][    T0] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    0.000000][    T0] **                                                      **
[    0.000000][    T0] ** This system shows unhashed kernel memory addresses   **
[    0.000000][    T0] ** via the console, logs, and other interfaces. This    **
[    0.000000][    T0] ** might reduce the security of your system.            **
[    0.000000][    T0] **                                                      **
[    0.000000][    T0] ** If you see this message and you are not debugging    **
[    0.000000][    T0] ** the kernel, report this immediately to your system   **
[    0.000000][    T0] ** administrator!                                       **
[    0.000000][    T0] **                                                      **
[    0.000000][    T0] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    0.000000][    T0] **********************************************************
[    0.000000][    T0] efi: UEFI not found.
[    0.000000][    T0] cma: Reserved 16 MiB at 0x00000000fee00000
[    0.000000][    T0] NUMA: No NUMA configuration found
[    0.000000][    T0] NUMA: Faking a node at [mem 0x0000000080200000-0x00000000ffffffff]
[    0.000000][    T0] NUMA: NODE_DATA [mem 0xffff0580-0xffff1fff]
[    0.000000][    T0] Zone ranges:
[    0.000000][    T0]   DMA32    [mem 0x0000000080200000-0x00000000ffffffff]
[    0.000000][    T0]   Normal   empty
[    0.000000][    T0] Movable zone start for each node
[    0.000000][    T0] Early memory node ranges
[    0.000000][    T0]   node   0: [mem 0x0000000080200000-0x00000000ffffffff]
[    0.000000][    T0] Initmem setup node 0 [mem 0x0000000080200000-0x00000000ffffffff]
[    0.000000][    T0] On node 0, zone DMA32: 512 pages in unavailable ranges
[    0.000000][    T0] SBI specification v0.2 detected
[    0.000000][    T0] SBI implementation ID=0x1 Version=0x8
[    0.000000][    T0] SBI TIME extension detected
[    0.000000][    T0] SBI IPI extension detected
[    0.000000][    T0] SBI RFENCE extension detected
[    0.000000][    T0] SBI HSM extension detected
[    0.000000][    T0] riscv: base ISA extensions acdfim
[    0.000000][    T0] riscv: ELF capabilities acdfim
[    0.000000][    T0] percpu: cpu 0 has no node -1 or node-local memory
[    0.000000][    T0] percpu: Embedded 29 pages/cpu s79432 r8192 d31160 u118784
[    0.000000][    T0] Fallback order for Node 0: 0 
[    0.000000][    T0] Built 1 zonelists, mobility grouping on.  Total pages: 514569
[    0.000000][    T0] Policy zone: DMA32
[    0.000000][    T0] Kernel command line: root=/dev/vda console=ttyS0  earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off smp.csd_lock_timeout=300000 watchd
[    0.000000][    T0] Unknown kernel command line parameters "watchd earlyprintk=serial", will be passed to user space.
[    0.000000][    T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)
[    0.000000][    T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[    0.000000][    T0] mem auto-init: stack:off, heap alloc:on, heap free:off
[    0.000000][    T0] Stack Depot early init allocating hash table with memblock_alloc, 8388608 bytes
[    0.000000][    T0] Virtual kernel memory layout:
[    0.000000][    T0]       fixmap : 0xff17fffffee00000 - 0xff17ffffff000000   (2048 kB)
[    0.000000][    T0]       pci io : 0xff17ffffff000000 - 0xff18000000000000   (  16 MB)
[    0.000000][    T0]      vmemmap : 0xff18000000000000 - 0xff20000000000000   (2048 TB)
[    0.000000][    T0]      vmalloc : 0xff20000000000000 - 0xff60000000000000   (16384 TB)
[    0.000000][    T0]       lowmem : 0xff60000000000000 - 0xff6000007fe00000   (2046 MB)
[    0.000000][    T0]        kasan : 0xffdf000000000000 - 0xffffffff00000000   (8447 TB)
[    0.000000][    T0]       kernel : 0xffffffff80000000 - 0xffffffffffffffff   (2047 MB)
[    0.000000][    T0] Memory: 1340300K/2095104K available (51768K kernel code, 18787K rwdata, 18432K rodata, 2389K init, 32168K bss, 738420K reserved, 16384K cma-reserved)
[    0.000000][    T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000][    T0] trace event string verifier disabled
[    0.000000][    T0] Running RCU self tests
[    0.000000][    T0] rcu: Preemptible hierarchical RCU implementation.
[    0.000000][    T0] rcu: 	RCU lockdep checking is enabled.
[    0.000000][    T0] rcu: 	RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[    0.000000][    T0] rcu: 	RCU callback double-/use-after-free debug is enabled.
[    0.000000][    T0] rcu: 	RCU debug extended QS entry/exit.
[    0.000000][    T0] 	All grace periods are expedited (rcu_expedited).
[    0.000000][    T0] 	Trampoline variant of Tasks RCU enabled.
[    0.000000][    T0] 	Tracing variant of Tasks RCU enabled.
[    0.000000][    T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[    0.000000][    T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[    0.000000][    T0] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[    0.000000][    T0] riscv-intc: 64 local interrupts mapped
[    0.000000][    T0] plic: plic@c000000: mapped 53 interrupts with 2 handlers for 4 contexts.
[    0.000000][    T0] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[    0.000000][    T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xff6000005a0c6000-0xff6000005a2c6000
[    0.000000][    T0] riscv_timer_init_dt: Registering clocksource cpuid [0] hartid [0]
[    0.000000][    T0] clocksource: riscv_clocksource: mask: 0xffffffffffffffff max_cycles: 0x24e6a1710, max_idle_ns: 440795202120 ns
[    0.000119][    T0] sched_clock: 64 bits at 10MHz, resolution 100ns, wraps every 4398046511100ns
[    0.024365][    T0] Console: colour dummy device 80x25
[    0.026502][    T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    0.026684][    T0] ... MAX_LOCKDEP_SUBCLASSES:  8
[    0.026837][    T0] ... MAX_LOCK_DEPTH:          48
[    0.027017][    T0] ... MAX_LOCKDEP_KEYS:        8192
[    0.027171][    T0] ... CLASSHASH_SIZE:          4096
[    0.027319][    T0] ... MAX_LOCKDEP_ENTRIES:     131072
[    0.027471][    T0] ... MAX_LOCKDEP_CHAINS:      262144
[    0.027633][    T0] ... CHAINHASH_SIZE:          131072
[    0.027785][    T0]  memory used by lock dependency info: 20657 kB
[    0.027940][    T0]  memory used for stack traces: 8320 kB
[    0.028091][    T0]  per task-struct memory footprint: 1920 bytes
[    0.034441][    T0] Calibrating delay loop (skipped), value calculated using timer frequency.. 20.00 BogoMIPS (lpj=100000)
[    0.035134][    T0] pid_max: default: 32768 minimum: 301
[    0.041562][    T0] LSM: Security Framework initializing
[    0.046105][    T0] landlock: Up and running.
[    0.046303][    T0] Yama: becoming mindful.
[    0.049685][    T0] TOMOYO Linux initialized
[    0.059040][    T0] AppArmor: AppArmor initialized
[    0.068324][    T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, linear)
[    0.068768][    T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, linear)
[    0.270753][    T1] cblist_init_generic: Setting adjustable number of callback queues.
[    0.280999][    T1] cblist_init_generic: Setting shift to 1 and lim to 1.
[    0.303042][    T1] cblist_init_generic: Setting shift to 1 and lim to 1.
[    0.311342][    T1] Running RCU-tasks wait API self tests
[    0.476916][    T1] riscv: ELF compat mode failed
[    0.478256][    T1] ASID allocator using 16 bits (65536 entries)
[    0.493057][   T12] Callback from call_rcu_tasks_trace() invoked.
[    0.498057][    T1] rcu: Hierarchical SRCU implementation.
[    0.591932][    T1] EFI services will not be available.
[    0.624746][    T1] smp: Bringing up secondary CPUs ...
[    0.697925][    T1] smp: Brought up 1 node, 2 CPUs
[    0.723931][   T11] Callback from call_rcu_tasks() invoked.
[    0.766215][    T1] allocated 33554432 bytes of page_ext
[    1.024260][    T1] Node 0, zone    DMA32: page owner found early allocated 9281 pages
[    1.088045][    T1] devtmpfs: initialized
[    1.417049][    T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    1.418314][    T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear)
[    1.685884][    T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[    1.728659][    T1] audit: initializing netlink subsys (disabled)
[    1.746507][   T26] audit: type=2000 audit(1.590:1): state=initialized audit_enabled=0 res=1
[    1.821835][    T1] thermal_sys: Registered thermal governor 'step_wise'
[    1.828787][    T1] cpuidle: using governor menu
[    5.741937][    T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
[    5.742265][    T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[    6.068251][    T1] raid6: skipped pq benchmark and selected int64x8
[    6.068535][    T1] raid6: using intx1 recovery algorithm
[    6.125420][    T1] iommu: Default domain type: Translated 
[    6.125774][    T1] iommu: DMA domain TLB invalidation policy: strict mode 
[    6.187659][    T1] SCSI subsystem initialized
[    6.242875][    T1] usbcore: registered new interface driver usbfs
[    6.247862][    T1] usbcore: registered new interface driver hub
[    6.252053][    T1] usbcore: registered new device driver usb
[    6.330256][    T1] EDAC MC: Ver: 3.0.0
[    6.419764][    T1] Advanced Linux Sound Architecture Driver Initialized.
[    6.535288][    T1] NetLabel: Initializing
[    6.535443][    T1] NetLabel:  domain hash size = 128
[    6.535576][    T1] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
[    6.545513][    T1] NetLabel:  unlabeled traffic allowed by default
[    6.580155][    T1] nfc: nfc_init: NFC Core ver 0.1
[    6.586250][    T1] NET: Registered PF_NFC protocol family
[    6.599877][    T1] vgaarb: loaded
[    6.632946][    T1] clocksource: Switched to clocksource riscv_clocksource
[    6.778351][    T1] VFS: Disk quotas dquot_6.6.0
[    6.785184][    T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    6.809165][    T1] FS-Cache: Loaded
[    6.844007][    T1] CacheFiles: Loaded
[    6.865720][    T1] TOMOYO: 2.6.0
[    6.866062][    T1] Mandatory Access Control activated.
[    6.948829][    T1] AppArmor: AppArmor Filesystem Enabled
[    7.886004][    T1] NET: Registered PF_INET protocol family
[    7.898191][    T1] IP idents hash table entries: 32768 (order: 6, 262144 bytes, linear)
[    7.987426][    T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 73728 bytes, linear)
[    8.004613][    T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, linear)
[    8.038261][    T1] TCP bind bhash tables hash table entries: 16384 (order: 8, 1310720 bytes, linear)
[    8.065017][    T1] TCP: Hash tables configured (established 16384 bind 16384)
[    8.083944][    T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, linear)
[    8.094648][    T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, linear)
[    8.104324][    T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, linear)
[    8.124874][    T1] NET: Registered PF_UNIX/PF_LOCAL protocol family
[    8.126912][    T1] NET: Registered PF_XDP protocol family
[    8.127629][    T1] PCI: CLS 0 bytes, default 64
[    8.200215][    T1] kvm [1]: hypervisor extension not available
[    8.679855][    T1] Initialise system trusted keyrings
[    8.720703][    T1] workingset: timestamp_bits=44 max_order=19 bucket_order=0
[    9.898268][    T1] zbud: loaded
[   10.164345][    T1] DLM installed
[   10.543026][    T1] fuse: init (API version 7.36)
[   10.868833][    T1] NET: Registered PF_ALG protocol family
[   10.872734][    T1] xor: measuring software checksum speed
[   11.027034][    T1]    8regs           :    66 MB/sec
[   11.184839][    T1]    8regs_prefetch  :    64 MB/sec
[   11.309975][    T1]    32regs          :    79 MB/sec
[   11.472377][    T1]    32regs_prefetch :    61 MB/sec
[   11.472757][    T1] xor: using function: 32regs (79 MB/sec)
[   11.474723][    T1] async_tx: api initialized (async)
[   11.475602][    T1] Key type asymmetric registered
[   11.476164][    T1] Asymmetric key parser 'x509' registered
[   11.476403][    T1] Asymmetric key parser 'pkcs8' registered
[   11.476580][    T1] Key type pkcs7_test registered
[   11.608122][    T1] alg: self-tests for CTR-KDF (hmac(sha256)) passed
[   11.618707][    T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245)
[   11.650801][    T1] io scheduler mq-deadline registered
[   11.657048][    T1] io scheduler kyber registered
[   11.688378][    T1] io scheduler bfq registered
[   12.405314][    T1] pci-host-generic 30000000.pci: host bridge /soc/pci@30000000 ranges:
[   12.410244][    T1] pci-host-generic 30000000.pci:       IO 0x0003000000..0x000300ffff -> 0x0000000000
[   12.426844][    T1] pci-host-generic 30000000.pci:      MEM 0x0040000000..0x007fffffff -> 0x0040000000
[   14.019940][    T1] pci-host-generic 30000000.pci: ECAM at [mem 0x30000000-0x3fffffff] for [bus 00-ff]
[   14.037301][    T1] pci-host-generic 30000000.pci: PCI host bridge to bus 0000:00
[   14.038271][    T1] pci_bus 0000:00: root bus resource [bus 00-ff]
[   14.038782][    T1] pci_bus 0000:00: root bus resource [io  0x0000-0xffff]
[   14.039244][    T1] pci_bus 0000:00: root bus resource [mem 0x40000000-0x7fffffff]
[   14.045529][    T1] pci 0000:00:00.0: [1b36:0008] type 00 class 0x060000
[   14.093831][    T1] pci 0000:00:01.0: [1af4:1005] type 00 class 0x00ff00
[   14.095181][    T1] pci 0000:00:01.0: reg 0x10: [io  0x0000-0x001f]
[   14.096310][    T1] pci 0000:00:01.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref]
[   14.140449][    T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000
[   14.143242][    T1] pci 0000:00:02.0: reg 0x10: [io  0x0000-0x001f]
[   14.143755][    T1] pci 0000:00:02.0: reg 0x14: [mem 0x00000000-0x00000fff]
[   14.144600][    T1] pci 0000:00:02.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref]
[   14.145053][    T1] pci 0000:00:02.0: reg 0x30: [mem 0x00000000-0x0003ffff pref]
[   14.176009][    T1] pci 0000:00:02.0: BAR 6: assigned [mem 0x40000000-0x4003ffff pref]
[   14.176949][    T1] pci 0000:00:01.0: BAR 4: assigned [mem 0x40040000-0x40043fff 64bit pref]
[   14.177938][    T1] pci 0000:00:02.0: BAR 4: assigned [mem 0x40044000-0x40047fff 64bit pref]
[   14.178536][    T1] pci 0000:00:02.0: BAR 1: assigned [mem 0x40048000-0x40048fff]
[   14.178982][    T1] pci 0000:00:01.0: BAR 0: assigned [io  0x0000-0x001f]
[   14.179387][    T1] pci 0000:00:02.0: BAR 0: assigned [io  0x0020-0x003f]
[   14.472373][    T1] virtio-pci 0000:00:01.0: enabling device (0000 -> 0003)
[   14.518473][    T1] virtio-pci 0000:00:02.0: enabling device (0000 -> 0003)
[   26.595661][    T1] N_HDLC line discipline registered with maxframe=4096
[   26.597252][    T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[   27.056687][    T1] printk: console [ttyS0] disabled
[   27.070079][    T1] 10000000.uart: ttyS0 at MMIO 0x10000000 (irq = 4, base_baud = 230400) is a 16550A
[   27.093935][  T657] printk: console [ttyS0] printing thread started
[   27.094609][    T1] printk: console [ttyS0] enabled
[  915.064745][   T27] INFO: task swapper/0:1 blocked for more than 450 seconds.
[  915.069198][   T27]       Not tainted 5.19.0-rc1-syzkaller #0
[  915.073297][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  915.075518][   T27] task:swapper/0       state:D stack:    0 pid:    1 ppid:     0 flags:0x00000000
[  915.078354][   T27] Call Trace:
[  915.079823][   T27] [<ffffffff83284868>] schedule+0x74/0x120
[  915.084755][   T27] [<ffffffff83284fda>] schedule_preempt_disabled+0x16/0x28
[  915.086524][   T27] [<ffffffff83287304>] __mutex_lock+0x520/0xb3c
[  915.088207][   T27] [<ffffffff83287934>] mutex_lock_nested+0x14/0x1c
[  915.089903][   T27] [<ffffffff80e4f890>] add_early_randomness+0x2c/0x162
[  915.094273][   T27] [<ffffffff80e4fea2>] hwrng_register+0x2d0/0x380
[  915.096262][   T27] [<ffffffff80e5036e>] virtrng_scan+0x2c/0x6c
[  915.097997][   T27] [<ffffffff80d84cc2>] virtio_dev_probe+0x48e/0x742
[  915.099848][   T27] [<ffffffff8144a9a8>] really_probe+0x194/0x7c0
[  915.104159][   T27] [<ffffffff8144b21e>] __driver_probe_device+0x24a/0x2d4
[  915.105212][   T27] [<ffffffff8144b308>] driver_probe_device+0x60/0x1a4
[  915.105917][   T27] [<ffffffff8144c2f6>] __driver_attach+0x178/0x368
[  915.107862][   T27] [<ffffffff81445e0e>] bus_for_each_dev+0x122/0x194
[  915.109722][   T27] [<ffffffff81449bfa>] driver_attach+0x32/0x3c
[  915.113820][   T27] [<ffffffff814490c6>] bus_add_driver+0x2cc/0x432
[  915.115799][   T27] [<ffffffff8144d566>] driver_register+0x144/0x28a
[  915.117576][   T27] [<ffffffff80d83ff8>] register_virtio_driver+0x5e/0x8c
[  915.119447][   T27] [<ffffffff83456128>] virtio_rng_driver_init+0x20/0x28
[  915.123167][   T27] [<ffffffff80003274>] do_one_initcall+0x13c/0x7f0
[  915.125235][   T27] [<ffffffff83402062>] kernel_init_freeable+0x510/0x5b4
[  915.127035][   T27] [<ffffffff8328069e>] kernel_init+0x28/0x21c
[  915.128797][   T27] [<ffffffff80005c08>] ret_from_exception+0x0/0x10
[  915.132433][   T27] 
[  915.132433][   T27] Showing all locks held in the system:
[  915.134554][   T27] 2 locks held by swapper/0/1:
[  915.135998][   T27]  #0: ff6000000e6c7170 (&dev->mutex){....}-{3:3}, at: __driver_attach+0x170/0x368
[  915.140723][   T27]  #1: ffffffff85071828 (reading_mutex){+.+.}-{3:3}, at: add_early_randomness+0x2c/0x162
[  915.146665][   T27] 1 lock held by khungtaskd/27:
[  915.147675][   T27]  #0: ffffffff84d7a080 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x40/0x1e2
[  915.149989][   T27] 2 locks held by kworker/u4:4/49:
[  915.150752][   T27]  #0: ff60000007e29138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x512/0xfc8
[  915.154246][   T27]  #1: ff20000000577cf0 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x512/0xfc8
[  915.156935][   T27] 1 lock held by hwrng/670:
[  915.157681][   T27]  #0: ffffffff85071828 (reading_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0xda/0x2a2
[  915.160159][   T27] 
[  915.160678][   T27] =============================================
[  915.160678][   T27] 
[  915.165564][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  915.166791][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.19.0-rc1-syzkaller #0
[  915.167773][   T27] Hardware name: riscv-virtio,qemu (DT)
[  915.168480][   T27] Call Trace:
[  915.169019][   T27] [<ffffffff8000b40e>] dump_backtrace+0x2e/0x3c
[  915.169961][   T27] [<ffffffff83241e08>] show_stack+0x34/0x40
[  915.170778][   T27] [<ffffffff83250e62>] dump_stack_lvl+0xe4/0x150
[  915.172412][   T27] [<ffffffff83250eea>] dump_stack+0x1c/0x24
[  915.173916][   T27] [<ffffffff832425c8>] panic+0x278/0x664
[  915.174895][   T27] [<ffffffff8021ac42>] touch_softlockup_watchdog+0x0/0x7a
[  915.176142][   T27] [<ffffffff800b10b2>] kthread+0x19e/0x1fa
[  915.177080][   T27] [<ffffffff80005c08>] ret_from_exception+0x0/0x10
[  915.178370][   T27] SMP: stopping secondary CPUs
[  915.181247][   T27] Rebooting in 86400 seconds..