WARNING in platform_bus_init smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) cblist_init_generic: Setting adjustable number of callback queues. cblist_init_generic: Setting shift to 1 and lim to 1. cblist_init_generic: Setting shift to 1 and lim to 1. Running RCU-tasks wait API self tests Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. rcu: Hierarchical SRCU implementation. rcu: Max phase no-delay instances is 1000. NMI watchdog: Perf NMI watchdog permanently disabled smp: Bringing up secondary CPUs ... x86: Booting SMP configuration: .... node #0, CPUs: #1 MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details. MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. smp: Brought up 2 nodes, 2 CPUs smpboot: Max logical packages: 1 smpboot: Total of 2 processors activated (8801.01 BogoMIPS) devtmpfs: initialized sysfs: cannot create duplicate filename '//platform' CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.2.0-rc6-next-20230131-syzkaller-09515-g80bd9028feca-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106 sysfs_warn_dup+0x80/0xa0 fs/sysfs/dir.c:30 sysfs_create_dir_ns+0x237/0x290 fs/sysfs/dir.c:63 create_dir lib/kobject.c:63 [inline] kobject_add_internal+0x2c7/0x9e0 lib/kobject.c:231 kset_register+0x169/0x260 lib/kobject.c:857 bus_register+0x230/0xc20 drivers/base/bus.c:765 platform_bus_init+0x3e/0xa0 drivers/base/platform.c:1524 driver_init+0x38/0x60 drivers/base/init.c:36 do_basic_setup init/main.c:1411 [inline] kernel_init_freeable+0x42b/0x900 init/main.c:1634 kernel_init+0x1e/0x2c0 init/main.c:1522 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 kobject_add_internal failed for platform with -EEXIST, don't try to register things with the same name in the same directory. ------------[ cut here ]------------ Device 'platform' does not have a release() function, it is broken and must be fixed. See Documentation/core-api/kobject.rst. WARNING: CPU: 1 PID: 1 at drivers/base/core.c:2291 device_release+0x1b5/0x240 drivers/base/core.c:2291 Modules linked in: CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.2.0-rc6-next-20230131-syzkaller-09515-g80bd9028feca-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:device_release+0x1b5/0x240 drivers/base/core.c:2291 Code: c1 ea 03 80 3c 02 00 0f 85 96 00 00 00 4c 8b 6d 50 4d 85 ed 74 1b e8 0a 3e 6a fc 4c 89 ee 48 c7 c7 a0 94 cd 8a e8 0b d9 31 fc <0f> 0b e9 e7 fe ff ff e8 ef 3d 6a fc 48 89 ea 48 b8 00 00 00 00 00 RSP: 0000:ffffc90000067e58 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8881400a8000 RSI: ffffffff81692aec RDI: 0000000000000005 RBP: ffffffff8d40ccc0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffff888144a28000 R13: ffffffff8acde860 R14: ffffffff8acde860 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000c571000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject_cleanup lib/kobject.c:681 [inline] kobject_release lib/kobject.c:712 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1c2/0x4d0 lib/kobject.c:729 put_device drivers/base/core.c:3542 [inline] device_unregister+0x30/0xc0 drivers/base/core.c:3651 platform_bus_init+0x6b/0xa0 drivers/base/platform.c:1526 driver_init+0x38/0x60 drivers/base/init.c:36 do_basic_setup init/main.c:1411 [inline] kernel_init_freeable+0x42b/0x900 init/main.c:1634 kernel_init+0x1e/0x2c0 init/main.c:1522 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.0.131" "pwd"]: exit status 255 ssh: connect to host 10.128.0.131 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-job-parallel-0 port 1 (session ID: b2cd5274533417c9aa02c2881f3a1b3be608f52f590baee652c01196c93570dd, active connections: 1). SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000200000000 = 8192 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID bc75221c-bda7-2114-023c-35d84fbe4d56 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f27a0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000][ T0] Linux version 6.2.0-rc6-next-20230131-syzkaller-09515-g80bd9028feca-dirty (syzkaller@syzkaller) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000][ T0] signal: max sigframe size: 1776 [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 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] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000008][ T0] kvm-clock: using sched offset of 4378646528 cycles [ 0.001164][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.005137][ T0] tsc: Detected 2200.254 MHz processor [ 0.010777][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.012051][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.014368][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.021749][ T0] found SMP MP-table at [mem 0x000f2a60-0x000f2a6f] [ 0.023070][ T0] Using GB pages for direct mapping [ 0.025944][ T0] ACPI: Early table checksum verification disabled [ 0.026937][ T0] ACPI: RSDP 0x00000000000F27E0 000014 (v00 Google) [ 0.028125][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.029987][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.031417][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.033100][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.034754][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.036082][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.037915][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.039855][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.041680][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.043609][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.045328][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.046684][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.048590][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.050197][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.051840][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.053232][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.054698][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.056542][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.057557][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.058550][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.059628][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.061663][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.063018][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.065691][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.068124][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.070216][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.073427][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.075646][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.116673][ T0] Zone ranges: [ 0.117287][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.118804][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.121084][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.122343][ T0] Device empty [ 0.123107][ T0] Movable zone start for each node [ 0.124079][ T0] Early memory node ranges [ 0.125074][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.126192][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.127969][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.129523][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.130775][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.133082][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.134586][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.134716][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.167256][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.524920][ T0] kasan: KernelAddressSanitizer initialized [ 0.529385][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.530702][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.532469][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.534571][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.536607][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.538048][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.539495][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.542783][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.544810][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.546439][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.548578][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.550629][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.552855][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.554646][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.557132][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.559374][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.561024][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.562824][ T0] Booting paravirtualized kernel on KVM [ 0.564583][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.634868][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.639410][ T0] percpu: Embedded 72 pages/cpu s253960 r8192 d32760 u1048576 [ 0.641036][ T0] kvm-guest: PV spinlocks enabled [ 0.643311][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.646026][ T0] Fallback order for Node 0: 0 1 [ 0.648162][ T0] Fallback order for Node 1: 1 0 [ 0.649745][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 0.651458][ T0] Policy zone: Normal [ 0.652261][ T0] Kernel command line: 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 coredump_filter=0xffff root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid 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 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=8 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.676670][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.679439][ T0] random: crng init done [ 0.681279][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.682864][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.688066][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.690159][ T0] software IO TLB: area num 2. [ 1.664832][ T0] Memory: 6814544K/8388204K available (151552K kernel code, 36280K rwdata, 31284K rodata, 3260K init, 34964K bss, 1573404K reserved, 0K cma-reserved) [ 1.669797][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.717501][ T0] allocated 134217728 bytes of page_ext [ 1.718540][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.734855][ T0] Node 0, zone DMA32: page owner found early allocated 16480 pages [ 1.749210][ T0] Node 0, zone Normal: page owner found early allocated 0 pages [ 1.761271][ T0] Node 1, zone Normal: page owner found early allocated 16387 pages [ 1.765251][ T0] Dynamic Preempt: full [ 1.768283][ T0] Running RCU self tests [ 1.769110][ T0] Running RCU synchronous self tests [ 1.770405][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.771628][ T0] rcu: RCU lockdep checking is enabled. [ 1.772927][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.774914][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.778891][ T0] rcu: RCU debug extended QS entry/exit. [ 1.780014][ T0] All grace periods are expedited (rcu_expedited). [ 1.781966][ T0] Trampoline variant of Tasks RCU enabled. [ 1.783245][ T0] Tracing variant of Tasks RCU enabled. [ 1.784739][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.786570][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.787814][ T0] Running RCU synchronous self tests [ 1.838925][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.841535][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.843893][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 1.848775][ T0] Console: colour VGA+ 80x25 [ 1.850276][ T0] printk: console [ttyS0] enabled [ 1.850276][ T0] printk: console [ttyS0] enabled [ 1.853413][ T0] printk: bootconsole [earlyser0] disabled [ 1.853413][ T0] printk: bootconsole [earlyser0] disabled [ 1.855838][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.858426][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.859376][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.860552][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.861693][ T0] ... CLASSHASH_SIZE: 4096 [ 1.863082][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.864096][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.864989][ T0] ... CHAINHASH_SIZE: 131072 [ 1.866080][ T0] memory used by lock dependency info: 20657 kB [ 1.871691][ T0] memory used for stack traces: 8320 kB [ 1.873559][ T0] per task-struct memory footprint: 1920 bytes [ 1.875136][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.877636][ T0] ACPI: Core revision 20221020 [ 1.879981][ T0] APIC: Switch to symmetric I/O mode setup [ 1.881638][ T0] x2apic enabled [ 1.885803][ T0] Switched APIC routing to physical x2apic. [ 1.893298][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.895225][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb722e6169, max_idle_ns: 440795315647 ns [ 1.897819][ T0] Calibrating delay loop (skipped) preset value.. 4400.50 BogoMIPS (lpj=22002540) [ 1.907869][ T0] pid_max: default: 32768 minimum: 301 [ 1.909069][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,integrity,tomoyo,apparmor,bpf [ 1.911604][ T0] landlock: Up and running. [ 1.912502][ T0] Yama: becoming mindful. [ 1.913463][ T0] TOMOYO Linux initialized [ 1.914930][ T0] AppArmor: AppArmor initialized [ 1.915865][ T0] LSM support for eBPF active [ 1.922407][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.928135][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.932994][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.935952][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.941258][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.943936][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.945781][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.947867][ T0] Spectre V2 : Mitigation: IBRS [ 1.949618][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.952093][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 1.953984][ T0] RETBleed: Mitigation: IBRS [ 1.957848][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.960347][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.962099][ T0] MDS: Mitigation: Clear CPU buffers [ 1.964603][ T0] TAA: Mitigation: Clear CPU buffers [ 1.965867][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.981330][ T0] Freeing SMP alternatives memory: 116K [ 1.984341][ T0] Running RCU synchronous self tests [ 1.987821][ T0] Running RCU synchronous self tests [ 2.111432][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.117493][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 2.117793][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 2.118358][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 2.120842][ T1] Running RCU-tasks wait API self tests [ 2.238098][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 2.248777][ T1] rcu: Hierarchical SRCU implementation. [ 2.250923][ T1] rcu: Max phase no-delay instances is 1000. [ 2.258590][ T14] Callback from call_rcu_tasks_trace() invoked. [ 2.261457][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.263689][ T1] smp: Bringing up secondary CPUs ... [ 2.267943][ T1] x86: Booting SMP configuration: [ 2.269141][ T1] .... node #0, CPUs: #1 [ 2.271428][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 2.271428][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details. [ 2.277943][ T1] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 2.280865][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.281814][ T1] smpboot: Max logical packages: 1 [ 2.283214][ T1] smpboot: Total of 2 processors activated (8801.01 BogoMIPS) [ 2.289093][ T1] devtmpfs: initialized [ 2.290610][ T1] sysfs: cannot create duplicate filename '//platform' [ 2.290610][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.2.0-rc6-next-20230131-syzkaller-09515-g80bd9028feca-dirty #0 [ 2.292379][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 2.293844][ T1] Call Trace: [ 2.294334][ T1] [ 2.294828][ T1] dump_stack_lvl+0x136/0x150 [ 2.295942][ T1] sysfs_warn_dup+0x80/0xa0 [ 2.297243][ T1] sysfs_create_dir_ns+0x237/0x290 [ 2.297793][ T1] ? sysfs_create_mount_point+0xb0/0xb0 [ 2.297793][ T1] ? spin_bug+0x1c0/0x1c0 [ 2.297793][ T1] ? kobject_add_internal+0x12d/0x9e0 [ 2.297793][ T1] ? do_raw_spin_unlock+0x175/0x230 [ 2.297793][ T1] kobject_add_internal+0x2c7/0x9e0 [ 2.297793][ T1] kset_register+0x169/0x260 [ 2.297793][ T1] bus_register+0x230/0xc20 [ 2.297793][ T1] platform_bus_init+0x3e/0xa0 [ 2.297793][ T1] driver_init+0x38/0x60 [ 2.297793][ T1] kernel_init_freeable+0x42b/0x900 [ 2.297793][ T1] ? rest_init+0x2b0/0x2b0 [ 2.297793][ T1] kernel_init+0x1e/0x2c0 [ 2.297793][ T1] ? rest_init+0x2b0/0x2b0 [ 2.297793][ T1] ret_from_fork+0x1f/0x30 [ 2.297793][ T1] [ 2.307843][ T1] kobject_add_internal failed for platform with -EEXIST, don't try to register things with the same name in the same directory. [ 2.310575][ T1] ------------[ cut here ]------------ [ 2.311327][ T1] Device 'platform' does not have a release() function, it is broken and must be fixed. See Documentation/core-api/kobject.rst. [ 2.313636][ T1] WARNING: CPU: 1 PID: 1 at drivers/base/core.c:2291 device_release+0x1b5/0x240 [ 2.317815][ T1] Modules linked in: [ 2.318583][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.2.0-rc6-next-20230131-syzkaller-09515-g80bd9028feca-dirty #0 [ 2.320242][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 2.321651][ T1] RIP: 0010:device_release+0x1b5/0x240 [ 2.322452][ T1] Code: c1 ea 03 80 3c 02 00 0f 85 96 00 00 00 4c 8b 6d 50 4d 85 ed 74 1b e8 0a 3e 6a fc 4c 89 ee 48 c7 c7 a0 94 cd 8a e8 0b d9 31 fc <0f> 0b e9 e7 fe ff ff e8 ef 3d 6a fc 48 89 ea 48 b8 00 00 00 00 00 [ 2.327815][ T1] RSP: 0000:ffffc90000067e58 EFLAGS: 00010282 [ 2.329139][ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 2.330511][ T1] RDX: ffff8881400a8000 RSI: ffffffff81692aec RDI: 0000000000000005 [ 2.331965][ T1] RBP: ffffffff8d40ccc0 R08: 0000000000000005 R09: 0000000000000000 [ 2.333427][ T1] R10: 0000000080000000 R11: 0000000000000000 R12: ffff888144a28000 [ 2.334702][ T1] R13: ffffffff8acde860 R14: ffffffff8acde860 R15: 0000000000000000 [ 2.336135][ T1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 2.337810][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.339203][ T1] CR2: 0000000000000000 CR3: 000000000c571000 CR4: 00000000003506e0 [ 2.340338][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.341852][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.343006][ T1] Call Trace: [ 2.343585][ T1] [ 2.348082][ T1] kobject_put+0x1c2/0x4d0 [ 2.348082][ T1] device_unregister+0x30/0xc0 [ 2.348082][ T1] platform_bus_init+0x6b/0xa0 [ 2.348082][ T1] driver_init+0x38/0x60 [ 2.349919][ T1] kernel_init_freeable+0x42b/0x900 [ 2.351030][ T1] ? rest_init+0x2b0/0x2b0 [ 2.351733][ T1] kernel_init+0x1e/0x2c0 [ 2.353339][ T1] ? rest_init+0x2b0/0x2b0 [ 2.354220][ T1] ret_from_fork+0x1f/0x30 [ 2.355137][ T1] [ 2.359190][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 2.359190][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.2.0-rc6-next-20230131-syzkaller-09515-g80bd9028feca-dirty #0 [ 2.359190][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 2.359190][ T1] Call Trace: [ 2.359190][ T1] [ 2.359190][ T1] dump_stack_lvl+0xd9/0x150 [ 2.367824][ T1] panic+0x61b/0x6c0 [ 2.367824][ T1] ? panic_smp_self_stop+0x90/0x90 [ 2.367824][ T1] ? show_trace_log_lvl+0x285/0x390 [ 2.367824][ T1] ? device_release+0x1b5/0x240 [ 2.367824][ T1] check_panic_on_warn+0xb1/0xc0 [ 2.367824][ T1] __warn+0xf2/0x4f0 [ 2.367824][ T1] ? device_release+0x1b5/0x240 [ 2.367824][ T1] report_bug+0x206/0x2b0 [ 2.377836][ T1] handle_bug+0x3c/0x70 [ 2.377836][ T1] exc_invalid_op+0x18/0x50 [ 2.377836][ T1] asm_exc_invalid_op+0x1a/0x20 [ 2.377836][ T1] RIP: 0010:device_release+0x1b5/0x240 [ 2.377836][ T1] Code: c1 ea 03 80 3c 02 00 0f 85 96 00 00 00 4c 8b 6d 50 4d 85 ed 74 1b e8 0a 3e 6a fc 4c 89 ee 48 c7 c7 a0 94 cd 8a e8 0b d9 31 fc <0f> 0b e9 e7 fe ff ff e8 ef 3d 6a fc 48 89 ea 48 b8 00 00 00 00 00 [ 2.377836][ T1] RSP: 0000:ffffc90000067e58 EFLAGS: 00010282 [ 2.377836][ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 2.387900][ T1] RDX: ffff8881400a8000 RSI: ffffffff81692aec RDI: 0000000000000005 [ 2.387900][ T1] RBP: ffffffff8d40ccc0 R08: 0000000000000005 R09: 0000000000000000 [ 2.387900][ T1] R10: 0000000080000000 R11: 0000000000000000 R12: ffff888144a28000 [ 2.387900][ T1] R13: ffffffff8acde860 R14: ffffffff8acde860 R15: 0000000000000000 [ 2.387900][ T1] ? vprintk+0x8c/0xa0 [ 2.387900][ T1] ? device_release+0x1b5/0x240 [ 2.397826][ T1] kobject_put+0x1c2/0x4d0 [ 2.397826][ T1] device_unregister+0x30/0xc0 [ 2.397826][ T1] platform_bus_init+0x6b/0xa0 [ 2.397826][ T1] driver_init+0x38/0x60 [ 2.397826][ T1] kernel_init_freeable+0x42b/0x900 [ 2.397826][ T1] ? rest_init+0x2b0/0x2b0 [ 2.397826][ T1] kernel_init+0x1e/0x2c0 [ 2.397826][ T1] ? rest_init+0x2b0/0x2b0 [ 2.397826][ T1] ret_from_fork+0x1f/0x30 [ 2.407859][ T1] [ 2.407859][ T1] Rebooting in 86400 seconds.. syzkaller build log: go env (err=) GO111MODULE="auto" GOARCH="amd64" GOBIN="" GOCACHE="/syzkaller/.cache/go-build" GOENV="/syzkaller/.config/go/env" GOEXE="" GOEXPERIMENT="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="linux" GOINSECURE="" GOMODCACHE="/syzkaller/jobs-2/linux/gopath/pkg/mod" GONOPROXY="" GONOSUMDB="" GOOS="linux" GOPATH="/syzkaller/jobs-2/linux/gopath" GOPRIVATE="" GOPROXY="https://proxy.golang.org,direct" GOROOT="/usr/local/go" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64" GOVCS="" GOVERSION="go1.17" GCCGO="gccgo" AR="ar" CC="gcc" CXX="g++" CGO_ENABLED="1" GOMOD="/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build4151365248=/tmp/go-build -gno-record-gcc-switches" git status (err=) HEAD detached at 9dfcf09cf nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:32: run command via tools/syz-env for best compatibility, see: Makefile:33: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=9dfcf09cf38eb123a007af28c5ee2562718893a0 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230123-142548'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=9dfcf09cf38eb123a007af28c5ee2562718893a0 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230123-142548'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=9dfcf09cf38eb123a007af28c5ee2562718893a0 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230123-142548'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"9dfcf09cf38eb123a007af28c5ee2562718893a0\"