failed to run ["ssh" "-p" "36136" "-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 36136 timed out ALSA lib confmisc.c:767:(parse_card) cannot find card '0' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM default alsa: Could not initialize DAC alsa: Failed to open `default': alsa: Reason: No such file or directory ALSA lib confmisc.c:767:(parse_card) cannot find card '0' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM default alsa: Could not initialize DAC alsa: Failed to open `default': alsa: Reason: No such file or directory audio: Failed to create voice `lm4549.out' [ 0.000000][ T0] Booting Linux on physical CPU 0x0 [ 0.000000][ T0] Linux version 5.12.0-syzkaller (syzkaller@syzkaller) (arm-linux-gnueabi-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] CPU: ARMv7 Processor [412fc0f1] revision 1 (ARMv7), cr=30c5387d [ 0.000000][ T0] CPU: div instructions available: patching division code [ 0.000000][ T0] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache [ 0.000000][ T0] OF: fdt: Machine model: V2P-CA15 [ 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] Memory policy: Data cache writealloc [ 0.000000][ T0] Reserved memory: created DMA memory pool at 0x0000000018000000, size 8 MiB [ 0.000000][ T0] OF: reserved mem: initialized node vram@18000000, compatible id shared-dma-pool [ 0.000000][ T0] cma: Reserved 16 MiB at 0x00000000ff000000 [ 0.000000][ T0] Zone ranges: [ 0.000000][ T0] Normal [mem 0x0000000080000000-0x00000000df7fffff] [ 0.000000][ T0] HighMem [mem 0x00000000df800000-0x00000000ffffffff] [ 0.000000][ T0] Movable zone start for each node [ 0.000000][ T0] Early memory node ranges [ 0.000000][ T0] node 0: [mem 0x0000000080000000-0x00000000ffffffff] [ 0.000000][ T0] Initmem setup node 0 [mem 0x0000000080000000-0x00000000ffffffff] [ 0.000000][ T0] percpu: Embedded 22 pages/cpu s57736 r8192 d24184 u90112 [ 0.000000][ T0] Built 1 zonelists, mobility grouping on. Total pages: 519704 [ 0.000000][ T0] Kernel command line: root=/dev/vda console=ttyAMA0 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 root=/dev/vda console=ttyAMA0 vmalloc=512M watchdog_thresh=165 workqueue.watchdog_thresh=420 sysctl.net.core.netdev_unregister_timeout_secs=420 dummy_hcd.num=2 panic_on_warn=1 [ 0.000000][ T0] Dentry cache hash table entries: 262144 (order: 8, 1048576 bytes, linear) [ 0.000000][ T0] Inode-cache hash table entries: 131072 (order: 7, 524288 bytes, linear) [ 0.000000][ T0] allocated 2097152 bytes of page_ext [ 0.000000][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.000000][ T0] software IO TLB: mapped [mem 0x00000000d9800000-0x00000000dd800000] (64MB) [ 0.000000][ T0] Memory: 1931032K/2097152K available (24576K kernel code, 2487K rwdata, 13308K rodata, 2048K init, 7664K bss, 149736K reserved, 16384K cma-reserved, 516096K highmem) [ 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: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000][ T0] GIC physical location is 0x2c001000 [ 0.000000][ T0] random: get_random_bytes called from start_kernel+0x448/0x630 with crng_init=0 [ 0.000237][ T0] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns [ 0.008272][ T0] clocksource: arm,sp804: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns [ 0.010661][ T0] Failed to initialize '/bus@8000000/motherboard-bus/iofpga-bus@300000000/timer@120000': -22 [ 0.016226][ T0] arch_timer: cp15 timer(s) running at 62.50MHz (virt). [ 0.016554][ T0] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1cd42e208c, max_idle_ns: 881590405314 ns [ 0.016929][ T0] sched_clock: 56 bits at 62MHz, resolution 16ns, wraps every 4398046511096ns [ 0.017198][ T0] Switching to timer-based delay loop, resolution 16ns [ 0.035648][ T0] Console: colour dummy device 80x30 [ 0.037127][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.037305][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.037419][ T0] ... MAX_LOCK_DEPTH: 48 [ 0.037532][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 0.037638][ T0] ... CLASSHASH_SIZE: 4096 [ 0.037740][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.037860][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.037966][ T0] ... CHAINHASH_SIZE: 32768 [ 0.038074][ T0] memory used by lock dependency info: 4061 kB [ 0.038192][ T0] memory used for stack traces: 2112 kB [ 0.038304][ T0] per task-struct memory footprint: 1536 bytes [ 0.040961][ T0] Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=625000) [ 0.041515][ T0] pid_max: default: 32768 minimum: 301 [ 0.044894][ T0] LSM: Security Framework initializing [ 0.046577][ T0] Yama: becoming mindful. [ 0.049099][ T0] TOMOYO Linux initialized [ 0.050452][ T0] SELinux: Initializing. [ 0.052454][ T0] LSM support for eBPF active [ 0.055020][ T0] Mount-cache hash table entries: 4096 (order: 2, 16384 bytes, linear) [ 0.055408][ T0] Mountpoint-cache hash table entries: 4096 (order: 2, 16384 bytes, linear) [ 0.103424][ T0] CPU: Testing write buffer coherency: ok [ 0.106083][ T0] CPU0: Spectre v2: firmware did not set auxiliary control register IBE bit, system vulnerable [ 0.144841][ T1] /cpus/cpu@0 missing clock-frequency property [ 0.145609][ T1] /cpus/cpu@1 missing clock-frequency property [ 0.146112][ T1] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.191507][ T1] Running RCU-tasks wait API self tests [ 0.333129][ T1] Setting up static identity map for 0x80200000 - 0x80200060 [ 0.341180][ T1] rcu: Hierarchical SRCU implementation. [ 0.358245][ T10] Callback from call_rcu_tasks_trace() invoked. [ 0.392609][ T1] smp: Bringing up secondary CPUs ... [ 0.416138][ T0] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.416278][ T0] CPU1: Spectre v2: firmware did not set auxiliary control register IBE bit, system vulnerable [ 0.439361][ T1] smp: Brought up 1 node, 2 CPUs [ 0.439701][ T1] SMP: Total of 2 processors activated (250.00 BogoMIPS). [ 0.439909][ T1] CPU: All CPU(s) started in SVC mode. [ 0.494149][ T1] devtmpfs: initialized [ 0.571854][ T9] Callback from call_rcu_tasks() invoked. [ 0.762928][ T1] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0 [ 0.892818][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.895641][ T1] futex hash table entries: 512 (order: 3, 32768 bytes, linear) [ 0.940674][ T1] pinctrl core: initialized pinctrl subsystem [ 1.087932][ T1] NET: Registered protocol family 16 [ 1.191040][ T1] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 1.227060][ T1] audit: initializing netlink subsys (disabled) [ 1.235825][ T41] audit: type=2000 audit(1.070:1): state=initialized audit_enabled=0 res=1 [ 1.397072][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.411946][ T1] cpuidle: using governor ladder [ 1.420989][ T15] hw-breakpoint: CPU 0 debug is powered down! [ 1.432592][ T1] Serial: AMBA PL011 UART driver [ 7.749865][ T1] cryptd: max_cpu_qlen set to 1000 [ 8.278463][ T1] raid6: skip pq benchmark and using algorithm neonx8 [ 8.278915][ T1] raid6: using neon recovery algorithm [ 8.421475][ T1] vgaarb: loaded [ 8.470323][ T1] SCSI subsystem initialized [ 8.562148][ T1] usbcore: registered new interface driver usbfs [ 8.567670][ T1] usbcore: registered new interface driver hub [ 8.572076][ T1] usbcore: registered new device driver usb [ 8.766039][ T1] EDAC MC: Ver: 3.0.0 [ 8.830554][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 8.919053][ T1] NetLabel: Initializing [ 8.920823][ T1] NetLabel: domain hash size = 128 [ 8.921010][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 8.928129][ T1] NetLabel: unlabeled traffic allowed by default [ 8.945190][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 8.951057][ T1] NET: Registered protocol family 39 [ 8.988836][ T1] clocksource: Switched to clocksource arch_sys_counter [ 11.480571][ T1] VFS: Disk quotas dquot_6.6.0 [ 11.482162][ T1] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 11.487483][ T1] FS-Cache: Loaded [ 11.495464][ T1] CacheFiles: Loaded [ 11.504772][ T1] TOMOYO: 2.6.0 [ 11.505105][ T1] Mandatory Access Control activated. [ 12.321491][ T1] NET: Registered protocol family 2 [ 12.357709][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 3, 45056 bytes, linear) [ 12.359140][ T1] TCP established hash table entries: 16384 (order: 4, 65536 bytes, linear) [ 12.364051][ T1] TCP bind hash table entries: 16384 (order: 7, 655360 bytes, linear) [ 12.382023][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 12.391612][ T1] MPTCP token hash table entries: 2048 (order: 4, 98304 bytes, linear) [ 12.395346][ T1] UDP hash table entries: 1024 (order: 4, 98304 bytes, linear) [ 12.399429][ T1] UDP-Lite hash table entries: 1024 (order: 4, 98304 bytes, linear) [ 12.409412][ T1] NET: Registered protocol family 1 [ 12.410555][ T1] NET: Registered protocol family 44 [ 12.411190][ T1] PCI: CLS 0 bytes, default 64 [ 12.465382][ T1] armv7-pmu pmu: hw perfevents: no interrupt-affinity property, guessing. [ 12.488706][ T1] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 5 counters available [ 12.824553][ T1] Initialise system trusted keyrings [ 12.871728][ T1] workingset: timestamp_bits=14 max_order=19 bucket_order=5 [ 13.211107][ T1] zbud: loaded [ 13.336443][ T1] DLM installed [ 13.448352][ T1] fuse: init (API version 7.33) [ 13.858322][ T1] NET: Registered protocol family 38 [ 13.870045][ T1] xor: measuring software checksum speed [ 13.891500][ T1] arm4regs : 564 MB/sec [ 13.910534][ T1] 8regs : 657 MB/sec [ 13.929281][ T1] 32regs : 664 MB/sec [ 13.958996][ T1] neon : 831 MB/sec [ 13.959345][ T1] xor: using function: neon (831 MB/sec) [ 13.960383][ T1] async_tx: api initialized (async) [ 13.960900][ T1] Key type asymmetric registered [ 13.961420][ T1] Asymmetric key parser 'x509' registered [ 13.961746][ T1] Asymmetric key parser 'pkcs8' registered [ 13.961956][ T1] Key type pkcs7_test registered [ 13.962138][ T1] Asymmetric key parser 'tpm_parser' registered [ 13.965022][ T1] bounce: pool size: 64 pages [ 13.992538][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) [ 14.014108][ T1] io scheduler mq-deadline registered [ 14.014453][ T1] io scheduler kyber registered [ 14.023587][ T1] io scheduler bfq registered [ 14.242465][ T1] usbcore: registered new interface driver udlfb [ 14.252912][ T1] usbcore: registered new interface driver smscufx [ 14.303325][ T1] uvesafb: failed to execute /sbin/v86d [ 14.303582][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 14.303844][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 14.304096][ T1] uvesafb: vbe_init() failed with -22 [ 14.305161][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 18.389611][ T1] N_HDLC line discipline registered with maxframe=4096 [ 18.390447][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 18.592754][ T1798] random: fast init done [ 18.612040][ T1798] random: crng init done [ 18.702711][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 18.774533][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 19.299447][ T1] Console: switching to colour frame buffer device 128x48 [ 19.336920][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 19.342828][ T1] usbcore: registered new interface driver udl [ 19.375512][ T1] sii902x 0-0060: supply iovcc not found, using dummy regulator [ 19.384479][ T1] sii902x 0-0060: supply cvcc12 not found, using dummy regulator [ 20.132224][ T1] brd: module loaded [ 20.675396][ T1] loop: module loaded [ 21.482674][ T1] virtio_blk virtio0: [vda] 2097152 512-byte logical blocks (1.07 GB/1.00 GiB) [ 21.641231][ T1] zram: Added device: zram0 [ 21.735182][ T1] null_blk: module loaded [ 21.749088][ T1] usbcore: registered new interface driver rtsx_usb [ 21.752340][ T1] usbcore: registered new interface driver viperboard [ 22.621213][ T1] usbcore: registered new interface driver dln2 [ 22.622645][ T1] usbcore: registered new interface driver pn533_usb [ 22.734369][ T19] 1c090000.serial: ttyAMA0 at MMIO 0x1c090000 (irq = 41, base_baud = 0) is a PL011 rev1 [ 22.738948][ T1] nfcsim 0.2 initialized [ 22.740887][ T1] usbcore: registered new interface driver port100 [ 22.742117][ T1] usbcore: registered new interface driver nfcmrvl [ 22.869482][ T1] Loading iSCSI transport class v2.0-870. [ 23.056476][ T19] printk: console [ttyAMA0] enabled [ 23.066403][ C0] ------------[ cut here ]------------ [ 23.067149][ C0] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x150/0x154 [ 23.068443][ C0] Modules linked in: [ 23.069031][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 23.069625][ C0] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.12.0-syzkaller #0 [ 23.070111][ C0] Hardware name: ARM-Versatile Express [ 23.070607][ C0] Backtrace: [ 23.071067][ C0] [<818044bc>] (dump_backtrace) from [<81804730>] (show_stack+0x18/0x1c) [ 23.071693][ C0] r7:00000080 r6:60000193 r5:00000000 r4:82b58784 [ 23.072057][ C0] [<81804718>] (show_stack) from [<8180be28>] (dump_stack+0xb8/0xe8) [ 23.072420][ C0] [<8180bd70>] (dump_stack) from [<818052c4>] (panic+0x130/0x378) [ 23.072744][ C0] r7:81f49ee0 r6:82a39124 r5:00000000 r4:82c6f0d8 [ 23.073020][ C0] [<81805194>] (panic) from [<802447a4>] (__warn+0xb0/0x164) [ 23.073392][ C0] r3:82a2248c r2:00000000 r1:5b720000 r0:81f49ee0 [ 23.073676][ C0] r7:00000015 [ 23.073891][ C0] [<802446f4>] (__warn) from [<81805574>] (warn_slowpath_fmt+0x68/0xd4) [ 23.074276][ C0] r7:809f3d4c r6:00000015 r5:81fcc424 r4:00000000 [ 23.074580][ C0] [<81805510>] (warn_slowpath_fmt) from [<809f3d4c>] (vkms_vblank_simulate+0x150/0x154) [ 23.074982][ C0] r8:00fe4c00 r7:844b8720 r6:82a22498 r5:00000000 r4:844b9390 [ 23.075331][ C0] [<809f3bfc>] (vkms_vblank_simulate) from [<80309a14>] (__hrtimer_run_queues+0xd4/0x690) [ 23.075759][ C0] r9:834de000 r8:ddfc53e0 r7:ddfc5380 r6:82a22498 r5:00000000 r4:844b9390 [ 23.076033][ C0] [<80309940>] (__hrtimer_run_queues) from [<8030a8f8>] (hrtimer_interrupt+0x14c/0x2e0) [ 23.076480][ C0] r10:ddfc54d8 r9:ddfc5498 r8:ddfc5458 r7:ddfc54a0 r6:ddfc54e0 r5:20000193 [ 23.076840][ C0] r4:ddfc5380 [ 23.077049][ C0] [<8030a7ac>] (hrtimer_interrupt) from [<8114aab8>] (arch_timer_handler_virt+0x30/0x38) [ 23.077451][ C0] r10:834dfbf0 r9:834dfc58 r8:834dfbc0 r7:8348d940 r6:82a22c34 r5:0000001c [ 23.077782][ C0] r4:8348b000 [ 23.077992][ C0] [<8114aa88>] (arch_timer_handler_virt) from [<802e14a8>] (handle_percpu_devid_irq+0xa4/0x19c) [ 23.078385][ C0] [<802e1404>] (handle_percpu_devid_irq) from [<802da238>] (__handle_domain_irq+0xb0/0x120) [ 23.078803][ C0] r10:834dfbf0 r9:834dfc58 r8:00000001 r7:00000000 r6:828ab498 r5:00000000 [ 23.085614][ C0] r4:828ab498 r3:00010000 [ 23.085983][ C0] [<802da188>] (__handle_domain_irq) from [<80890924>] (gic_handle_irq+0x84/0xac) [ 23.086391][ C0] r10:834000c0 r9:40000193 r8:e000200c r7:828ab4bc r6:e0002000 r5:834dfc58 [ 23.086744][ C0] r4:82a22c34 [ 23.086959][ C0] [<808908a0>] (gic_handle_irq) from [<80200afc>] (__irq_svc+0x5c/0x94) [ 23.087539][ C0] Exception stack(0x834dfc58 to 0x834dfca0) [ 23.088050][ C0] fc40: 00000000 82115098 [ 23.088496][ C0] fc60: 00000001 0003a1e5 83401240 00000cc0 60000113 ffffffff 82a22be8 00000020 [ 23.088852][ C0] fc80: 834000c0 834dfcd4 834dfc50 834dfca8 8181ffd8 804b3b84 20000113 ffffffff [ 23.089302][ C0] r9:834de000 r8:82a22be8 r7:834dfc8c r6:ffffffff r5:20000113 r4:804b3b84 [ 23.089616][ C0] [<804b37d0>] (allocate_slab) from [<804b7198>] (___slab_alloc.constprop.0+0x398/0x588) [ 23.090044][ C0] r10:834000c0 r9:83401240 r8:82a22be8 r7:ddfd01b8 r6:60000113 r5:828b01b8 [ 23.090377][ C0] r4:00000000 r3:003beee0 [ 23.090608][ C0] [<804b6e00>] (___slab_alloc.constprop.0) from [<804b7428>] (__slab_alloc.constprop.0+0xa0/0xbc) [ 23.090998][ C0] r10:00003eb8 r9:802648dc r8:802648dc r7:00000dc0 r6:60000113 r5:828b01b8 [ 23.091374][ C0] r4:83401240 [ 23.091572][ C0] [<804b7388>] (__slab_alloc.constprop.0) from [<804b7de4>] (kmem_cache_alloc_trace+0x2f8/0x31c) [ 23.091994][ C0] r9:802648dc r8:82a22980 r7:834dfd98 r6:00000dc0 r5:834de000 r4:83401240 [ 23.092338][ C0] [<804b7aec>] (kmem_cache_alloc_trace) from [<802648dc>] (call_usermodehelper_setup+0x40/0xc4) [ 23.092737][ C0] r10:835cc000 r9:82b5887c r8:82b5887c r7:82b58884 r6:8349e000 r5:8349e00c [ 23.093022][ C0] r4:00000798 [ 23.093220][ C0] [<8026489c>] (call_usermodehelper_setup) from [<8087ad80>] (kobject_uevent_env+0x60c/0x7ec) [ 23.093667][ C0] r7:00000000 r6:8349e000 r5:00000000 r4:00000798 [ 23.093961][ C0] [<8087a774>] (kobject_uevent_env) from [<8087af74>] (kobject_uevent+0x14/0x18) [ 23.094375][ C0] r10:82c6e000 r9:82881874 r8:82881854 r7:00000000 r6:82b76094 r5:849f0e2c [ 23.094694][ C0] r4:00000000 [ 23.094906][ C0] [<8087af60>] (kobject_uevent) from [<808799cc>] (kset_register+0x7c/0x90) [ 23.095305][ C0] [<80879950>] (kset_register) from [<80a1419c>] (__class_register+0xd4/0x170) [ 23.095694][ C0] r5:00000000 r4:849f0e00 [ 23.095931][ C0] [<80a140c8>] (__class_register) from [<80a18f54>] (transport_class_register+0x18/0x1c) [ 23.096335][ C0] r7:00000000 r6:82a22498 r5:82c015ac r4:00000000 [ 23.096616][ C0] [<80a18f3c>] (transport_class_register) from [<82837c68>] (sas_transport_init+0x28/0xb8) [ 23.097050][ C0] [<82837c40>] (sas_transport_init) from [<80202478>] (do_one_initcall+0x8c/0x59c) [ 23.097428][ C0] r5:82c015ac r4:82837c40 [ 23.097656][ C0] [<802023ec>] (do_one_initcall) from [<82801428>] (kernel_init_freeable+0x2cc/0x330) [ 23.098057][ C0] r9:82881874 r8:82881854 r7:00000374 r6:00000007 r5:83586600 r4:8289ec4c [ 23.098392][ C0] [<8280115c>] (kernel_init_freeable) from [<81820288>] (kernel_init+0x10/0x120) [ 23.098798][ C0] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:81820278 [ 23.099131][ C0] r4:00000000 [ 23.105847][ C0] [<81820278>] (kernel_init) from [<80200118>] (ret_from_fork+0x14/0x3c) [ 23.106320][ C0] Exception stack(0x834dffb0 to 0x834dfff8) [ 23.106608][ C0] ffa0: 00000000 00000000 00000000 00000000 [ 23.107016][ C0] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 23.107433][ C0] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 23.107719][ C0] r5:81820278 r4:00000000 [ 23.119873][ C1] CPU1: stopping [ 23.120493][ C1] CPU: 1 PID: 57 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 23.120861][ C1] Hardware name: ARM-Versatile Express [ 23.121751][ C1] Workqueue: events_unbound call_usermodehelper_exec_work [ 23.122190][ C1] Backtrace: [ 23.122429][ C1] [<818044bc>] (dump_backtrace) from [<81804730>] (show_stack+0x18/0x1c) [ 23.124513][ C1] r7:00000080 r6:60000193 r5:00000000 r4:82b58784 [ 23.124800][ C1] [<81804718>] (show_stack) from [<8180be28>] (dump_stack+0xb8/0xe8) [ 23.125142][ C1] [<8180bd70>] (dump_stack) from [<8021127c>] (do_handle_IPI+0x414/0x440) [ 23.125516][ C1] r7:8340ccc0 r6:00000001 r5:00000014 r4:00000004 [ 23.127370][ C1] [<80210e68>] (do_handle_IPI) from [<802112c8>] (ipi_handler+0x20/0x28) [ 23.129763][ C1] r9:83679d48 r8:83679cb0 r7:8340ccc0 r6:82a22c34 r5:00000014 r4:8348a000 [ 23.132187][ C1] [<802112a8>] (ipi_handler) from [<802e14a8>] (handle_percpu_devid_irq+0xa4/0x19c) [ 23.134963][ C1] [<802e1404>] (handle_percpu_devid_irq) from [<802da238>] (__handle_domain_irq+0xb0/0x120) [ 23.137830][ C1] r10:83679ce0 r9:83679d48 r8:00000001 r7:00000000 r6:828ab498 r5:00000000 [ 23.140301][ C1] r4:828ab498 r3:00010001 [ 23.141568][ C1] [<802da188>] (__handle_domain_irq) from [<80890924>] (gic_handle_irq+0x84/0xac) [ 23.143653][ C1] r10:00000001 r9:40000193 r8:e000200c r7:828ab4bc r6:e0002000 r5:83679d48 [ 23.146153][ C1] r4:82a22c34 [ 23.147242][ C1] [<808908a0>] (gic_handle_irq) from [<80200afc>] (__irq_svc+0x5c/0x94) [ 23.147900][ C1] Exception stack(0x83679d48 to 0x83679d90) [ 23.149705][ C1] 9d40: 00000001 82115098 00000001 20000193 40000113 843bd8b4 [ 23.152563][ C1] 9d60: 82c01615 843bd8b4 82a22498 ddfcd190 00000001 83679dac 83679d40 83679d98 [ 23.155963][ C1] 9d80: 8181ffd8 818291e8 20000113 ffffffff [ 23.156961][ C1] r9:83678000 r8:82a22498 r7:83679d7c r6:ffffffff r5:20000113 r4:818291e8 [ 23.158102][ C1] [<818291a8>] (_raw_spin_unlock_irqrestore) from [<802881cc>] (wake_up_new_task+0x290/0x64c) [ 23.159607][ C1] r5:ddfcd180 r4:843bd280 [ 23.160286][ C1] [<80287f3c>] (wake_up_new_task) from [<802432f8>] (kernel_clone+0x134/0x560) [ 23.161468][ C1] r10:83713200 r9:00000000 r8:000007f4 r7:00000000 r6:00808100 r5:83679e60 [ 23.162855][ C1] r4:843bd280 [ 23.163502][ C1] [<802431c4>] (kernel_clone) from [<802438b0>] (kernel_thread+0x74/0x9c) [ 23.164735][ C1] r10:00000088 r9:82a22498 r8:82c015f2 r7:83416000 r6:802649c4 r5:8539a480 [ 23.165534][ C1] r4:00000011 [ 23.165879][ C1] [<8024383c>] (kernel_thread) from [<80264b9c>] (call_usermodehelper_exec_work+0x74/0x98) [ 23.166822][ C1] r6:83420000 r5:83611400 r4:8539a480 [ 23.167348][ C1] [<80264b28>] (call_usermodehelper_exec_work) from [<802697fc>] (process_one_work+0x2d4/0x998) [ 23.168204][ C1] r5:83611400 r4:8539a480 [ 23.168679][ C1] [<80269528>] (process_one_work) from [<80269f24>] (worker_thread+0x64/0x54c) [ 23.169248][ C1] r10:00000088 r9:83678000 r8:82a06d00 r7:83420038 r6:83611414 r5:83420000 [ 23.169581][ C1] r4:83611400 [ 23.169780][ C1] [<80269ec0>] (worker_thread) from [<80272084>] (kthread+0x184/0x1a4) [ 23.170126][ C1] r10:835a3e64 r9:83611400 r8:80269ec0 r7:00000000 r6:83678000 r5:8360f7c0 [ 23.170470][ C1] r4:83611680 [ 23.170682][ C1] [<80271f00>] (kthread) from [<80200118>] (ret_from_fork+0x14/0x3c) [ 23.171023][ C1] Exception stack(0x83679fb0 to 0x83679ff8) [ 23.171368][ C1] 9fa0: 00000000 00000000 00000000 00000000 [ 23.171722][ C1] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 23.172080][ C1] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 23.172390][ C1] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271f00 [ 23.173080][ C1] r4:8360f7c0 [ 23.174513][ C0] Rebooting in 86400 seconds..