WARNING: refcount bug in delayed_put_task_struct
------------[ cut here ]------------
refcount_t: underflow; use-after-free.
WARNING: CPU: 1 PID: 19 at lib/refcount.c:28 refcount_warn_saturate+0x1d1/0x1e0 lib/refcount.c:28
Modules linked in:
CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:refcount_warn_saturate+0x1d1/0x1e0 lib/refcount.c:28
Code: e9 db fe ff ff 48 89 df e8 7c f6 63 ff e9 8a fe ff ff e8 a2 14 30 ff 48 c7 c7 60 8b 62 86 c6 05 03 ae bd 06 01 e8 7f 6b af 03 <0f> 0b e9 af fe ff ff 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55
RSP: 0000:ffffc9000014fd18 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888100365580 RSI: ffffffff812c97e8 RDI: fffff52000029f95
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000100 R11: 0000000000000001 R12: ffff88810e6f1c80
R13: ffff88810e6f1ca8 R14: 0000000000000005 R15: ffff88810e6f30a8
FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__refcount_sub_and_test include/linux/refcount.h:283 [inline]
__refcount_dec_and_test include/linux/refcount.h:315 [inline]
refcount_dec_and_test include/linux/refcount.h:333 [inline]
put_task_struct include/linux/sched/task.h:118 [inline]
delayed_put_task_struct+0x2de/0x330 kernel/exit.c:177
rcu_do_batch kernel/rcu/tree.c:2245 [inline]
rcu_core+0x7b1/0x1780 kernel/rcu/tree.c:2505
__do_softirq+0x1c0/0x9a9 kernel/softirq.c:571
run_ksoftirqd kernel/softirq.c:934 [inline]
run_ksoftirqd+0x2d/0x60 kernel/softirq.c:926
smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164
kthread+0x2ea/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
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@10.128.0.217" "pwd"]: exit status 255
ssh: connect to host 10.128.0.217 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.ci2-upstream-usb-test-job-test-job-1 port 1 (session ID: de8dc1c295566503fced2e6bdb6e53e9d742059bb817d53cd565743f231f5803, 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 d0652ae4-93e9-c513-40e9-e51ba5edd636
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 0x000f2490: 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 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a (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] Malformed early option 'numa'
[ 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 08/26/2022
[ 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 2940491101 cycles
[ 0.001611][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.005373][ T0] tsc: Detected 2200.156 MHz processor
[ 0.010726][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000
[ 0.013078][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.014733][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000
[ 0.021952][ T0] found SMP MP-table at [mem 0x000f2750-0x000f275f]
[ 0.023226][ T0] Using GB pages for direct mapping
[ 0.025992][ T0] ACPI: Early table checksum verification disabled
[ 0.027033][ T0] ACPI: RSDP 0x00000000000F24D0 000014 (v00 Google)
[ 0.028427][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001)
[ 0.030116][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001)
[ 0.031962][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001)
[ 0.033466][ T0] ACPI: FACS 0x00000000BFFFD880 000040
[ 0.035153][ T0] ACPI: FACS 0x00000000BFFFD880 000040
[ 0.036303][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001)
[ 0.037979][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001)
[ 0.040331][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001)
[ 0.042264][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001)
[ 0.044139][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423]
[ 0.045563][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323]
[ 0.046657][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf]
[ 0.047858][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf]
[ 0.049058][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27]
[ 0.050847][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25]
[ 0.053271][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf]
[ 0.054461][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57]
[ 0.056783][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0
[ 0.057775][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0
[ 0.058886][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[ 0.060168][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff]
[ 0.061564][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff]
[ 0.063379][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff]
[ 0.066661][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff]
[ 0.069403][ T0] NODE_DATA(0) allocated [mem 0x23fffa000-0x23fffdfff]
[ 0.110862][ T0] Zone ranges:
[ 0.111704][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.113243][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.114687][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff]
[ 0.115747][ T0] Movable zone start for each node
[ 0.116980][ T0] Early memory node ranges
[ 0.117643][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.119129][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff]
[ 0.120572][ T0] node 0: [mem 0x0000000100000000-0x000000023fffffff]
[ 0.122169][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff]
[ 0.123448][ T0] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.123582][ T0] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.186028][ T0] On node 0, zone Normal: 3 pages in unavailable ranges
[ 0.505797][ T0] kasan: KernelAddressSanitizer initialized
[ 0.508256][ T0] ACPI: PM-Timer IO Port: 0xb008
[ 0.508998][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.510112][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.511329][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.512522][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.513823][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.515265][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.516600][ T0] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.517916][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.518869][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.519993][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[ 0.521465][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
[ 0.522707][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[ 0.524184][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff]
[ 0.525319][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff]
[ 0.526531][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff]
[ 0.527927][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices
[ 0.529005][ T0] Booting paravirtualized kernel on KVM
[ 0.530023][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.570417][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1
[ 0.572818][ T0] percpu: Embedded 67 pages/cpu s233568 r8192 d32672 u1048576
[ 0.574194][ T0] kvm-guest: PV spinlocks enabled
[ 0.574949][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.576501][ T0] Fallback order for Node 0: 0
[ 0.577250][ T0] Built 1 zonelists, mobility grouping on. Total pages: 2064125
[ 0.578482][ T0] Policy zone: Normal
[ 0.579393][ 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 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
[ 0.598233][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space.
[ 0.603939][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[ 0.606925][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)
[ 0.608963][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off
[ 0.612589][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[ 0.614827][ T0] software IO TLB: area num 2.
[ 1.522169][ T0] Memory: 6921704K/8388204K available (83983K kernel code, 22480K rwdata, 19020K rodata, 2220K init, 32260K bss, 1466244K reserved, 0K cma-reserved)
[ 1.525930][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 1.534525][ T0] Dynamic Preempt: voluntary
[ 1.536411][ T0] Running RCU self tests
[ 1.537620][ T0] rcu: Preemptible hierarchical RCU implementation.
[ 1.539433][ T0] rcu: RCU lockdep checking is enabled.
[ 1.540279][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[ 1.542130][ T0] rcu: RCU callback double-/use-after-free debug is enabled.
[ 1.543763][ T0] rcu: RCU debug extended QS entry/exit.
[ 1.545073][ T0] All grace periods are expedited (rcu_expedited).
[ 1.546384][ T0] Trampoline variant of Tasks RCU enabled.
[ 1.547729][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 1.549326][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 1.569854][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[ 1.572450][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 1.574037][ T0] random: crng init done
[ 1.576098][ T0] Console: colour VGA+ 80x25
[ 1.577211][ T0] printk: console [ttyS0] enabled
[ 1.577211][ T0] printk: console [ttyS0] enabled
[ 1.578596][ T0] printk: bootconsole [earlyser0] disabled
[ 1.578596][ T0] printk: bootconsole [earlyser0] disabled
[ 1.580468][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 1.582146][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 1.583163][ T0] ... MAX_LOCK_DEPTH: 48
[ 1.584091][ T0] ... MAX_LOCKDEP_KEYS: 8192
[ 1.585115][ T0] ... CLASSHASH_SIZE: 4096
[ 1.586075][ T0] ... MAX_LOCKDEP_ENTRIES: 131072
[ 1.587300][ T0] ... MAX_LOCKDEP_CHAINS: 262144
[ 1.588345][ T0] ... CHAINHASH_SIZE: 131072
[ 1.589333][ T0] memory used by lock dependency info: 20657 kB
[ 1.591039][ T0] memory used for stack traces: 8320 kB
[ 1.592705][ T0] per task-struct memory footprint: 1920 bytes
[ 1.594445][ T0] ACPI: Core revision 20220331
[ 1.596328][ T0] APIC: Switch to symmetric I/O mode setup
[ 1.602592][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[ 1.604312][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6c613963, max_idle_ns: 440795245426 ns
[ 1.607041][ T0] Calibrating delay loop (skipped) preset value.. 4400.31 BogoMIPS (lpj=22001560)
[ 1.609418][ T0] pid_max: default: 32768 minimum: 301
[ 1.610652][ T0] LSM: Security Framework initializing
[ 1.612301][ T0] landlock: Up and running.
[ 1.613185][ T0] Yama: becoming mindful.
[ 1.614582][ T0] TOMOYO Linux initialized
[ 1.615610][ T0] AppArmor: AppArmor initialized
[ 1.617754][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 1.619208][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 1.623566][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
[ 1.625147][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4
[ 1.627067][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 1.629310][ T0] Spectre V2 : Mitigation: IBRS
[ 1.630496][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[ 1.632158][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT
[ 1.633511][ T0] RETBleed: Mitigation: IBRS
[ 1.634536][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 1.636277][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[ 1.637063][ T0] MDS: Mitigation: Clear CPU buffers
[ 1.637944][ T0] TAA: Mitigation: Clear CPU buffers
[ 1.639193][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode
[ 1.642125][ T0] Freeing SMP alternatives memory: 60K
[ 1.765302][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0)
[ 1.767012][ T1] cblist_init_generic: Setting adjustable number of callback queues.
[ 1.767012][ T1] cblist_init_generic: Setting shift to 1 and lim to 1.
[ 1.767012][ T1] Running RCU-tasks wait API self tests
[ 1.867149][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only.
[ 1.869999][ T1] rcu: Hierarchical SRCU implementation.
[ 1.871432][ T1] rcu: Max phase no-delay instances is 1000.
[ 1.875591][ T1] NMI watchdog: Perf NMI watchdog permanently disabled
[ 1.877588][ T1] smp: Bringing up secondary CPUs ...
[ 1.879549][ T1] x86: Booting SMP configuration:
[ 1.880271][ T1] .... node #0, CPUs: #1
[ 1.882253][ 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.
[ 1.882253][ 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.
[ 1.887087][ 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.
[ 1.889775][ T1] smp: Brought up 1 node, 2 CPUs
[ 1.890763][ T1] smpboot: Max logical packages: 1
[ 1.891508][ T1] smpboot: Total of 2 processors activated (8800.62 BogoMIPS)
[ 1.935153][ T1] allocated 134217728 bytes of page_ext
[ 1.936492][ T1] Node 0, zone DMA: page owner found early allocated 0 pages
[ 1.940033][ T1] Node 0, zone DMA32: page owner found early allocated 15 pages
[ 1.965959][ T1] Node 0, zone Normal: page owner found early allocated 33979 pages
[ 1.968129][ T1] devtmpfs: initialized
[ 1.977287][ T11] Callback from call_rcu_tasks() invoked.
[ 1.987051][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 1.987051][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear)
[ 1.990731][ T1] PM: RTC time: 18:35:38, date: 2022-09-03
[ 1.993035][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 1.999177][ T1] audit: initializing netlink subsys (disabled)
[ 2.007093][ T25] audit: type=2000 audit(1662230138.844:1): state=initialized audit_enabled=0 res=1
[ 2.007034][ T1] thermal_sys: Registered thermal governor 'step_wise'
[ 2.007034][ T1] thermal_sys: Registered thermal governor 'user_space'
[ 2.007034][ T1] cpuidle: using governor menu
[ 2.011562][ T1] PCI: Using configuration type 1 for base access
[ 2.158515][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages
[ 2.159841][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page
[ 2.175203][ T1] ACPI: Added _OSI(Module Device)
[ 2.177055][ T1] ACPI: Added _OSI(Processor Device)
[ 2.178141][ T1] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 2.179147][ T1] ACPI: Added _OSI(Processor Aggregator Device)
[ 2.180309][ T1] ACPI: Added _OSI(Linux-Dell-Video)
[ 2.181350][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 2.182486][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[ 2.282724][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 2.314707][ T1] ACPI: Interpreter enabled
[ 2.315994][ T1] ACPI: PM: (supports S0 S3 S4 S5)
[ 2.317053][ T1] ACPI: Using IOAPIC for interrupt routing
[ 2.318761][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 2.320677][ T1] PCI: Using E820 reservations for host bridge windows
[ 2.325655][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 2.461230][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 2.462709][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3]
[ 2.464396][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI]
[ 2.467539][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[ 2.483014][ T1] PCI host bridge to bus 0000:00
[ 2.484047][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 2.485295][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 2.487123][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 2.488411][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window]
[ 2.489678][ T1] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 2.491331][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[ 2.498776][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100
[ 2.523719][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[ 2.549559][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 2.554761][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000
[ 2.563931][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f]
[ 2.573016][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f]
[ 2.595816][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000
[ 2.605948][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f]
[ 2.612587][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f]
[ 2.637102][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000
[ 2.649724][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff]
[ 2.679358][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 2.687176][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00
[ 2.698854][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f]
[ 2.707222][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f]
[ 2.730601][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00
[ 2.739910][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf]
[ 2.748698][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f]
[ 2.796850][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 2.802711][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 2.810680][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
[ 2.820775][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11
[ 2.826219][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9
[ 2.841288][ T1] iommu: Default domain type: Translated
[ 2.842441][ T1] iommu: DMA domain TLB invalidation policy: lazy mode
[ 2.846485][ T1] SCSI subsystem initialized
[ 2.848965][ T1] ACPI: bus type USB registered
[ 2.851343][ T1] usbcore: registered new interface driver usbfs
[ 2.853267][ T1] usbcore: registered new interface driver hub
[ 2.854877][ T1] usbcore: registered new device driver usb
[ 2.858714][ T1] mc: Linux media interface: v0.10
[ 2.859868][ T1] videodev: Linux video capture interface: v2.00
[ 2.862412][ T1] pps_core: LinuxPPS API ver. 1 registered
[ 2.864139][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
[ 2.867187][ T1] PTP clock support registered
[ 2.869610][ T1] EDAC MC: Ver: 3.0.0
[ 2.873925][ T1] Advanced Linux Sound Architecture Driver Initialized.
[ 2.881108][ T1] Bluetooth: Core ver 2.22
[ 2.882943][ T1] NET: Registered PF_BLUETOOTH protocol family
[ 2.884399][ T1] Bluetooth: HCI device and connection manager initialized
[ 2.886469][ T1] Bluetooth: HCI socket layer initialized
[ 2.887132][ T1] Bluetooth: L2CAP socket layer initialized
[ 2.889017][ T1] NET: Registered PF_ATMPVC protocol family
[ 2.890880][ T1] NET: Registered PF_ATMSVC protocol family
[ 2.893269][ T1] NetLabel: Initializing
[ 2.894541][ T1] NetLabel: domain hash size = 128
[ 2.897024][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 2.899656][ T1] NetLabel: unlabeled traffic allowed by default
[ 2.903361][ T1] nfc: nfc_init: NFC Core ver 0.1
[ 2.905280][ T1] NET: Registered PF_NFC protocol family
[ 2.907066][ T1] PCI: Using ACPI for IRQ routing
[ 2.909583][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device
[ 2.911497][ T1] pci 0000:00:05.0: vgaarb: bridge control possible
[ 2.913484][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 2.916070][ T1] vgaarb: loaded
[ 5.105783][ T1] clocksource: Switched to clocksource kvm-clock
[ 5.105783][ T1] VFS: Disk quotas dquot_6.6.0
[ 5.106993][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 5.107090][ T1] TOMOYO: 2.6.0
[ 5.107761][ T1] Mandatory Access Control activated.
[ 5.112796][ T1] AppArmor: AppArmor Filesystem Enabled
[ 5.114955][ T1] pnp: PnP ACPI init
[ 5.135527][ T1] pnp: PnP ACPI: found 7 devices
[ 5.176684][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[ 5.180770][ T1] NET: Registered PF_INET protocol family
[ 5.183660][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[ 5.197328][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, linear)
[ 5.200726][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 5.203730][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear)
[ 5.213215][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc hugepage)
[ 5.221230][ T1] TCP: Hash tables configured (established 65536 bind 65536)
[ 5.224972][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear)
[ 5.229869][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear)
[ 5.233532][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family
[ 5.238132][ T1] RPC: Registered named UNIX socket transport module.
[ 5.240703][ T1] RPC: Registered udp transport module.
[ 5.242460][ T1] RPC: Registered tcp transport module.
[ 5.244117][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 5.248579][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
[ 5.250812][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window]
[ 5.252892][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[ 5.255390][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window]
[ 5.259031][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 5.261391][ T1] PCI: CLS 0 bytes, default 64
[ 5.263094][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[ 5.264985][ T1] software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB)
[ 5.277231][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer
[ 5.280004][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6c613963, max_idle_ns: 440795245426 ns
[ 5.283618][ T1] clocksource: Switched to clocksource tsc
[ 5.290027][ T42] kworker/u4:2 (42) used greatest stack depth: 27960 bytes left
[ 5.528866][ T1] Initialise system trusted keyrings
[ 5.531392][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0
[ 5.580163][ T1] NFS: Registering the id_resolver key type
[ 5.581504][ T1] Key type id_resolver registered
[ 5.582623][ T1] Key type id_legacy registered
[ 5.584267][ T1] 9p: Installing v9fs 9p2000 file system support
[ 5.596209][ T1] Key type asymmetric registered
[ 5.597750][ T1] Asymmetric key parser 'x509' registered
[ 5.599041][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246)
[ 5.601326][ T1] io scheduler mq-deadline registered
[ 5.602257][ T1] io scheduler kyber registered
[ 5.615880][ T78] kworker/u4:1 (78) used greatest stack depth: 27584 bytes left
[ 5.617600][ T1] usbcore: registered new interface driver udlfb
[ 5.620081][ T1] usbcore: registered new interface driver smscufx
[ 5.623928][ T87] kworker/u4:1 (87) used greatest stack depth: 27104 bytes left
[ 5.624367][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 5.629090][ T1] ACPI: button: Power Button [PWRF]
[ 5.632350][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
[ 5.635089][ T1] ACPI: button: Sleep Button [SLPF]
[ 5.656292][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11
[ 5.657807][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
[ 5.674159][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10
[ 5.675529][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
[ 5.693531][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10
[ 5.694505][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver
[ 5.710204][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver
[ 5.720429][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 5.723296][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 5.727635][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[ 5.731075][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
[ 5.734714][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
[ 5.746488][ T1] Non-volatile memory driver v1.3
[ 5.761944][ T1] Linux agpgart interface v0.103
[ 5.767148][ T1] ACPI: bus type drm_connector registered
[ 5.773003][ T1] usbcore: registered new interface driver udl
[ 5.803504][ T1] loop: module loaded
[ 5.805471][ T1] usbcore: registered new interface driver rtsx_usb
[ 5.808369][ T1] usbcore: registered new interface driver viperboard
[ 5.811000][ T1] usbcore: registered new interface driver dln2
[ 5.813549][ T1] usbcore: registered new interface driver pn533_usb
[ 5.815768][ T1] usbcore: registered new interface driver port100
[ 5.818025][ T1] usbcore: registered new interface driver nfcmrvl
[ 5.841015][ T1] scsi host0: Virtio SCSI HBA
[ 5.884471][ T1] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6
[ 6.013869][ T8] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB)
[ 6.016225][ T8] sd 0:0:1:0: [sda] 4096-byte physical blocks
[ 6.017875][ T8] sd 0:0:1:0: [sda] Write Protect is off
[ 6.019487][ T8] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 6.030078][ T8] sda: sda1
[ 6.031827][ T8] sd 0:0:1:0: [sda] Attached SCSI disk
[ 6.035017][ T1] sd 0:0:1:0: Attached scsi generic sg0 type 0
[ 6.043559][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288
[ 6.045749][ T1] db_root: cannot open: /etc/target
[ 6.125110][ T1] CAN device driver interface
[ 6.126588][ T1] usbcore: registered new interface driver usb_8dev
[ 6.129048][ T1] usbcore: registered new interface driver ems_usb
[ 6.130682][ T1] usbcore: registered new interface driver gs_usb
[ 6.132295][ T1] usbcore: registered new interface driver kvaser_usb
[ 6.135189][ T1] usbcore: registered new interface driver mcba_usb
[ 6.137103][ T1] usbcore: registered new interface driver peak_usb
[ 6.138835][ T1] e100: Intel(R) PRO/100 Network Driver
[ 6.139727][ T1] e100: Copyright(c) 1999-2006 Intel Corporation
[ 6.141420][ T1] e1000: Intel(R) PRO/1000 Network Driver
[ 6.142660][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation.
[ 6.144064][ T1] e1000e: Intel(R) PRO/1000 Network Driver
[ 6.145538][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 6.146997][ T1] sky2: driver version 1.30
[ 6.149653][ T1] usbcore: registered new interface driver ath9k_htc
[ 6.151456][ T1] usbcore: registered new interface driver carl9170
[ 6.153526][ T1] usbcore: registered new interface driver ath6kl_usb
[ 6.155703][ T1] usbcore: registered new interface driver ar5523
[ 6.157852][ T1] usbcore: registered new interface driver ath10k_usb
[ 6.159209][ T1] Atmel at76x USB Wireless LAN Driver 0.17 loading
[ 6.160661][ T1] usbcore: registered new interface driver at76c50x-usb
[ 6.162652][ T1] usbcore: registered new interface driver brcmfmac
[ 6.164873][ T1] usbcore: registered new interface driver orinoco_usb
[ 6.166453][ T1] usbcore: registered new interface driver p54usb
[ 6.168021][ T1] usbcore: registered new interface driver usb8xxx
[ 6.170483][ T1] usbcore: registered new interface driver lbtf_usb
[ 6.172231][ T1] usbcore: registered new interface driver mwifiex_usb
[ 6.173659][ T1] usbcore: registered new interface driver mt7601u
[ 6.175230][ T1] usbcore: registered new interface driver rt2500usb
[ 6.176819][ T1] usbcore: registered new interface driver rt73usb
[ 6.178322][ T1] usbcore: registered new interface driver rt2800usb
[ 6.179871][ T1] usbcore: registered new interface driver rtl8187
[ 6.181642][ T1] usbcore: registered new interface driver rtl8192cu
[ 6.185289][ T1] usbcore: registered new interface driver rtl8xxxu
[ 6.187475][ C1] ------------[ cut here ]------------
[ 6.188885][ C1] refcount_t: underflow; use-after-free.
[ 6.190336][ C1] WARNING: CPU: 1 PID: 19 at lib/refcount.c:28 refcount_warn_saturate+0x1d1/0x1e0
[ 6.191060][ T1] usbcore: registered new interface driver RSI-USB WLAN
[ 6.192353][ C1] Modules linked in:
[ 6.194666][ C1] CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0
[ 6.195431][ T1] usbcore: registered new interface driver zd1211rw
[ 6.197477][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[ 6.197497][ C1] RIP: 0010:refcount_warn_saturate+0x1d1/0x1e0
[ 6.197534][ C1] Code: e9 db fe ff ff 48 89 df e8 7c f6 63 ff e9 8a fe ff ff e8 a2 14 30 ff 48 c7 c7 60 8b 62 86 c6 05 03 ae bd 06 01 e8 7f 6b af 03 <0f> 0b e9 af fe ff ff 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55
[ 6.197557][ C1] RSP: 0000:ffffc9000014fd18 EFLAGS: 00010282
[ 6.197581][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 6.197598][ C1] RDX: ffff888100365580 RSI: ffffffff812c97e8 RDI: fffff52000029f95
[ 6.197617][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
[ 6.197633][ C1] R10: 0000000080000100 R11: 0000000000000001 R12: ffff88810e6f1c80
[ 6.203178][ T1] usbcore: registered new interface driver zd1201
[ 6.204145][ C1] R13: ffff88810e6f1ca8 R14: 0000000000000005 R15: ffff88810e6f30a8
[ 6.211228][ T1] usbcore: registered new interface driver rndis_wlan
[ 6.212084][ C1] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000
[ 6.214944][ T1] usbcore: registered new interface driver atusb
[ 6.216382][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6.219205][ T1] usbcore: registered new interface driver catc
[ 6.220563][ C1] CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0
[ 6.222382][ T1] usbcore: registered new interface driver kaweth
[ 6.223836][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6.225649][ T1] pegasus: Pegasus/Pegasus II USB Ethernet driver
[ 6.226204][ T1] usbcore: registered new interface driver pegasus
[ 6.229016][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6.230626][ T1] usbcore: registered new interface driver rtl8150
[ 6.231926][ C1] Call Trace:
[ 6.234158][ T1] usbcore: registered new interface driver r8152
[ 6.235581][ C1]
[ 6.237364][ T1] hso: drivers/net/usb/hso.c: Option Wireless
[ 6.239184][ C1] delayed_put_task_struct+0x2de/0x330
[ 6.241279][ T1] usbcore: registered new interface driver hso
[ 6.242091][ C1] rcu_core+0x7b1/0x1780
[ 6.245464][ T1] usbcore: registered new interface driver lan78xx
[ 6.246719][ C1] ? rcu_report_dead+0x680/0x680
[ 6.248019][ T1] usbcore: registered new interface driver asix
[ 6.249182][ C1] ? __schedule+0x947/0x26f0
[ 6.250640][ T1] usbcore: registered new interface driver ax88179_178a
[ 6.251904][ C1] __do_softirq+0x1c0/0x9a9
[ 6.253892][ T1] usbcore: registered new interface driver cdc_ether
[ 6.255091][ C1] ? __irq_exit_rcu+0x170/0x170
[ 6.256556][ T1] usbcore: registered new interface driver cdc_eem
[ 6.257390][ C1] run_ksoftirqd+0x2d/0x60
[ 6.259111][ T1] usbcore: registered new interface driver dm9601
[ 6.260261][ C1] smpboot_thread_fn+0x645/0x9c0
[ 6.262084][ T1] usbcore: registered new interface driver sr9700
[ 6.263048][ C1] ? sort_range+0x30/0x30
[ 6.264951][ T1] usbcore: registered new interface driver CoreChips
[ 6.266193][ C1] kthread+0x2ea/0x3a0
[ 6.268091][ T1] usbcore: registered new interface driver smsc75xx
[ 6.269101][ C1] ? kthread_complete_and_exit+0x40/0x40
[ 6.270733][ T1] usbcore: registered new interface driver smsc95xx
[ 6.272092][ C1] ret_from_fork+0x1f/0x30
[ 6.273606][ T1] usbcore: registered new interface driver gl620a
[ 6.275086][ C1]
[ 6.277005][ T1] usbcore: registered new interface driver net1080
[ 6.278487][ C1] Kernel panic - not syncing: panic_on_warn set ...
[ 6.278499][ C1] CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0
[ 6.278531][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[ 6.278543][ C1] Call Trace:
[ 6.278550][ C1]
[ 6.278557][ C1] dump_stack_lvl+0xcd/0x134
[ 6.278584][ C1] panic+0x2c8/0x627
[ 6.278609][ C1] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 6.278637][ C1] ? __warn.cold+0x248/0x2c4
[ 6.278662][ C1] ? refcount_warn_saturate+0x1d1/0x1e0
[ 6.278689][ C1] __warn.cold+0x259/0x2c4
[ 6.278713][ C1] ? refcount_warn_saturate+0x1d1/0x1e0
[ 6.278738][ C1] report_bug+0x1bc/0x210
[ 6.278765][ C1] handle_bug+0x3c/0x60
[ 6.278787][ C1] exc_invalid_op+0x14/0x40
[ 6.278807][ C1] asm_exc_invalid_op+0x16/0x20
[ 6.278833][ C1] RIP: 0010:refcount_warn_saturate+0x1d1/0x1e0
[ 6.278857][ C1] Code: e9 db fe ff ff 48 89 df e8 7c f6 63 ff e9 8a fe ff ff e8 a2 14 30 ff 48 c7 c7 60 8b 62 86 c6 05 03 ae bd 06 01 e8 7f 6b af 03 <0f> 0b e9 af fe ff ff 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55
[ 6.278880][ C1] RSP: 0000:ffffc9000014fd18 EFLAGS: 00010282
[ 6.278900][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 6.278915][ C1] RDX: ffff888100365580 RSI: ffffffff812c97e8 RDI: fffff52000029f95
[ 6.278931][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
[ 6.278945][ C1] R10: 0000000080000100 R11: 0000000000000001 R12: ffff88810e6f1c80
[ 6.278960][ C1] R13: ffff88810e6f1ca8 R14: 0000000000000005 R15: ffff88810e6f30a8
[ 6.278977][ C1] ? vprintk+0x88/0x90
[ 6.279001][ C1] ? refcount_warn_saturate+0x1d1/0x1e0
[ 6.279027][ C1] delayed_put_task_struct+0x2de/0x330
[ 6.279050][ C1] rcu_core+0x7b1/0x1780
[ 6.279078][ C1] ? rcu_report_dead+0x680/0x680
[ 6.279104][ C1] ? __schedule+0x947/0x26f0
[ 6.279131][ C1] __do_softirq+0x1c0/0x9a9
[ 6.279157][ C1] ? __irq_exit_rcu+0x170/0x170
[ 6.279181][ C1] run_ksoftirqd+0x2d/0x60
[ 6.279205][ C1] smpboot_thread_fn+0x645/0x9c0
[ 6.279228][ C1] ? sort_range+0x30/0x30
[ 6.279249][ C1] kthread+0x2ea/0x3a0
[ 6.279271][ C1] ? kthread_complete_and_exit+0x40/0x40
[ 6.279296][ C1] ret_from_fork+0x1f/0x30
[ 6.279321][ C1]
[ 6.280216][ C1] Kernel Offset: disabled
[ 6.288469][ C1] 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/linux/gopath/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/syzkaller/jobs/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=""
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-build68363023=/tmp/go-build -gno-record-gcc-switches"
git status (err=)
HEAD detached at 1253d6f07
nothing to commit, working tree clean
GOOS=linux GOARCH=amd64 go install ./syz-fuzzer
make fuzzer execprog stress executor
make[1]: Entering directory '/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller'
make[1]: warning: -j32 forced in makefile: resetting jobserver mode.
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=1253d6f07f7f40d2835e0d1e061dcbad49ae28ee -X 'github.com/google/syzkaller/prog.gitRevisionDate=Sun Feb 23 19:00:47 2020 -0500'" "-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=1253d6f07f7f40d2835e0d1e061dcbad49ae28ee -X 'github.com/google/syzkaller/prog.gitRevisionDate=Sun Feb 23 19:00:47 2020 -0500'" "-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=1253d6f07f7f40d2835e0d1e061dcbad49ae28ee -X 'github.com/google/syzkaller/prog.gitRevisionDate=Sun Feb 23 19:00:47 2020 -0500'" "-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 \
-O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=8192 -m64 -static -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"1253d6f07f7f40d2835e0d1e061dcbad49ae28ee\"
make[1]: Leaving directory '/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller'