failed to run ["ssh" "-p" "61256" "-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 61256 timed out [ 0.000000][ T0] Booting Linux on physical CPU 0x0000000000 [0x000f0510] [ 0.000000][ T0] Linux version 5.11.0-rc5-syzkaller-00037-g2ab38c17aac1 (syzkaller@syzkaller) (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1) #0 SMP PREEMPT now [ 0.000000][ T0] Machine model: linux,dummy-virt [ 0.000000][ T0] efi: UEFI not found. [ 0.000000][ T0] NUMA: No NUMA configuration found [ 0.000000][ T0] NUMA: Faking a node at [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000][ T0] NUMA: NODE_DATA [mem 0xbfc2eec0-0xbfc31fff] [ 0.000000][ T0] Zone ranges: [ 0.000000][ T0] DMA [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000][ T0] DMA32 empty [ 0.000000][ T0] Normal empty [ 0.000000][ T0] Device empty [ 0.000000][ T0] Movable zone start for each node [ 0.000000][ T0] Early memory node ranges [ 0.000000][ T0] node 0: [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000][ T0] Initmem setup node 0 [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000][ T0] cma: Reserved 32 MiB at 0x00000000bb000000 [ 0.000000][ T0] kasan: KernelAddressSanitizer initialized [ 0.000000][ T0] psci: probing for conduit method from DT. [ 0.000000][ T0] psci: PSCIv0.2 detected in firmware. [ 0.000000][ T0] psci: Using standard PSCI v0.2 function IDs [ 0.000000][ T0] psci: Trusted OS migration not required [ 0.000000][ T0] percpu: Embedded 41 pages/cpu s127624 r8192 d32120 u167936 [ 0.000000][ T0] Detected PIPT I-cache on CPU0 [ 0.000000][ T0] CPU features: detected: Virtualization Host Extensions [ 0.000000][ T0] CPU features: detected: Kernel page table isolation (KPTI) [ 0.000000][ T0] CPU features: detected: Spectre-v2 [ 0.000000][ T0] CPU features: detected: Spectre-v4 [ 0.000000][ T0] CPU features: detected: Address authentication (architected algorithm) [ 0.000000][ T0] CPU features: detected: Branch Target Identification [ 0.000000][ T0] alternatives: patching kernel code [ 0.000000][ T0] Built 1 zonelists, mobility grouping on. Total pages: 516096 [ 0.000000][ T0] Policy zone: DMA [ 0.000000][ T0] Kernel command line: earlyprintk=serial oops=panic nmi_watchdog=panic panic_on_warn=1 panic=1 ftrace_dump_on_oops=orig_cpu vsyscall=native net.ifnames=0 biosdevname=0 root=/dev/vda console=ttyAMA0 earlyprintk=serial oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb kvm-intel.nested=1 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 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 root=/dev/vda console=ttyAMA0 watchdog_thresh=165 workqueue.watchdog_thresh=420 [ 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] Memory: 1524944K/2097152K available (122752K kernel code, 32832K rwdata, 28288K rodata, 2560K init, 22888K bss, 539440K reserved, 32768K cma-reserved) [ 0.000000][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 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 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] GIC: Using split EOI/Deactivate mode [ 0.000000][ T0] GICv2m: range[mem 0x08020000-0x08020fff], SPI[80:143] [ 0.000000][ T0] random: crng done (trusting CPU's manufacturer) [ 0.000000][ T0] arch_timer: cp15 timer(s) running at 62.50MHz (phys). [ 0.000000][ T0] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1cd42e208c, max_idle_ns: 881590405314 ns [ 0.000328][ T0] sched_clock: 56 bits at 62MHz, resolution 16ns, wraps every 4398046511096ns [ 0.206151][ T0] Console: colour dummy device 80x25 [ 0.250562][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.268671][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.286053][ T0] ... MAX_LOCK_DEPTH: 48 [ 0.303414][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 0.321139][ T0] ... CLASSHASH_SIZE: 4096 [ 0.338865][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.356702][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.374176][ T0] ... CHAINHASH_SIZE: 32768 [ 0.391625][ T0] memory used by lock dependency info: 6365 kB [ 0.409518][ T0] memory used for stack traces: 4224 kB [ 0.426997][ T0] per task-struct memory footprint: 1920 bytes [ 0.540088][ T0] Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=625000) [ 0.575859][ T0] pid_max: default: 32768 minimum: 301 [ 0.817950][ T0] LSM: Security Framework initializing [ 0.938328][ T0] Yama: becoming mindful. [ 1.079432][ T0] TOMOYO Linux initialized [ 1.134531][ T0] SELinux: Initializing. [ 1.435132][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 1.465884][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 10.039365][ T1] rcu: Hierarchical SRCU implementation. [ 19.391459][ T1] EFI services will not be available. [ 20.629984][ T1] smp: Bringing up secondary CPUs ... [ 24.523416][ T0] Detected PIPT I-cache on CPU1 [ 24.568961][ T0] CPU1: Booted secondary processor 0x0000000001 [0x000f0510] [ 25.254464][ T1] smp: Brought up 1 node, 2 CPUs [ 25.369292][ T1] SMP: Total of 2 processors activated. [ 25.457361][ T1] CPU features: detected: Privileged Access Never [ 25.537832][ T1] CPU features: detected: LSE atomic instructions [ 25.603067][ T1] CPU features: detected: 32-bit EL0 Support [ 25.704638][ T1] CPU features: detected: Common not Private translations [ 25.747566][ T1] CPU features: detected: Data cache clean to Point of Persistence [ 25.810879][ T1] CPU features: detected: Scalable Vector Extension [ 25.910410][ T1] CPU features: detected: CRC32 instructions [ 25.974302][ T1] CPU features: detected: Speculation barrier (SB) [ 25.999619][ T1] CPU features: detected: Generic authentication (architected algorithm) [ 26.035338][ T1] CPU features: detected: Data cache clean to Point of Deep Persistence [ 26.060565][ T1] CPU features: detected: Random Number Generator [ 26.095589][ T1] CPU features: detected: 32-bit EL1 Support [ 26.120209][ T1] CPU features: detected: RCpc load-acquire (LDAPR) [ 150.338952][ T1] SVE: maximum available vector length 256 bytes per vector [ 150.385320][ T1] SVE: default vector length 64 bytes per vector [ 277.281656][ T1] CPU: All CPU(s) started at EL2 [ 284.935295][ T1] devtmpfs: initialized [ 318.974713][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 319.038107][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear) [ 367.603965][ T1] DMI not present or invalid. [ 372.805031][ T1] NET: Registered protocol family 16 [ 391.255339][ T1] DMA: preallocated 256 KiB GFP_KERNEL pool for atomic allocations [ 391.644968][ T1] DMA: preallocated 256 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 392.997502][ T1] DMA: preallocated 256 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 393.514501][ T1] audit: initializing netlink subsys (disabled) [ 394.491496][ T34] audit: type=2000 audit(204.360:1): state=initialized audit_enabled=0 res=1 [ 440.223358][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 440.234021][ T1] thermal_sys: Registered thermal governor 'power_allocator' [ 441.553482][ T1] cpuidle: using governor menu [ 442.801267][ T1] NET: Registered protocol family 42 [ 451.214585][ T1] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 451.392426][ T1] ASID allocator initialised with 32768 entries [ 452.265660][ T1] Serial: AMBA PL011 UART driver [ 599.878314][ T1] 9000000.pl011: ttyAMA0 at MMIO 0x9000000 (irq = 48, base_baud = 0) is a PL011 rev1 [ 604.068213][ T1] printk: console [ttyAMA0] enabled