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..