WARNING: refcount bug in delayed_put_task_struct
------------[ cut here ]------------
refcount_t: underflow; use-after-free.
WARNING: CPU: 1 PID: 21 at lib/refcount.c:28 refcount_warn_saturate+0x1d1/0x1e0 lib/refcount.c:28
Modules linked in:
CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 5.19.0-syzkaller-14374-g5d6a0f4da927-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:refcount_warn_saturate+0x1d1/0x1e0 lib/refcount.c:28
Code: e9 db fe ff ff 48 89 df e8 ec 1e cb fd e9 8a fe ff ff e8 12 c7 7e fd 48 c7 c7 c0 bd 48 8a c6 05 e8 54 cc 09 01 e8 ac ec 3c 05 <0f> 0b e9 af fe ff ff 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55
RSP: 0018:ffffc900001b7d10 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888011ac9d80 RSI: ffffffff8161f148 RDI: fffff52000036f94
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000100 R11: 0000000000000001 R12: ffff888020343b00
R13: ffff888020343b28 R14: ffffc900001b7dc8 R15: 0000000000000004
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000350ee0
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+0x7b5/0x1890 kernel/rcu/tree.c:2505
__do_softirq+0x1d3/0x9c6 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+0x2e4/0x3a0 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@10.128.10.36" "pwd"]: exit status 255
ssh: connect to host 10.128.10.36 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-kasan-gce-root-test-job-test-job-1 port 1 (session ID: be2f78dc5f0dc11d34d970db9c707dc79343124a0df357258fee9e3f98b7bc15, 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 7ae111f0-9151-c8b9-4d2f-0ed39c87f725
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 0x000f24a0: 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 5.19.0-syzkaller-14374-g5d6a0f4da927-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] [Firmware Bug]: TSC doesn't count with P0 frequency!
[ 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 'compacted' 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] 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 07/22/2022
[ 0.000000][ T0] Hypervisor detected: KVM
[ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000007][ T0] kvm-clock: using sched offset of 3187675024 cycles
[ 0.000818][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.003141][ T0] tsc: Detected 2249.998 MHz processor
[ 0.007734][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000
[ 0.008631][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.009679][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000
[ 0.012501][ T0] found SMP MP-table at [mem 0x000f2760-0x000f276f]
[ 0.013376][ T0] Using GB pages for direct mapping
[ 0.015426][ T0] ACPI: Early table checksum verification disabled
[ 0.016286][ T0] ACPI: RSDP 0x00000000000F24E0 000014 (v00 Google)
[ 0.017390][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001)
[ 0.018624][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001)
[ 0.020132][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001)
[ 0.021555][ T0] ACPI: FACS 0x00000000BFFFD880 000040
[ 0.022296][ T0] ACPI: FACS 0x00000000BFFFD880 000040
[ 0.023132][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001)
[ 0.024597][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001)
[ 0.025817][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001)
[ 0.027101][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001)
[ 0.028364][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423]
[ 0.029385][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323]
[ 0.030431][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf]
[ 0.031447][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf]
[ 0.032509][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27]
[ 0.033519][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25]
[ 0.034572][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf]
[ 0.035734][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57]
[ 0.037053][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0
[ 0.037734][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0
[ 0.038415][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[ 0.039307][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff]
[ 0.040322][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff]
[ 0.041230][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff]
[ 0.042660][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff]
[ 0.044182][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB)
[ 0.045253][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB)
[ 0.046799][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff]
[ 0.047858][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff]
[ 0.064244][ T0] Zone ranges:
[ 0.064787][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.065722][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.066710][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff]
[ 0.067615][ T0] Device empty
[ 0.068092][ T0] Movable zone start for each node
[ 0.068738][ T0] Early memory node ranges
[ 0.069301][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.070216][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff]
[ 0.071213][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff]
[ 0.072150][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff]
[ 0.073064][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff]
[ 0.074084][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff]
[ 0.075137][ T0] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.075267][ T0] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.107875][ T0] On node 0, zone Normal: 3 pages in unavailable ranges
[ 0.275435][ T0] kasan: KernelAddressSanitizer initialized
[ 0.277616][ T0] ACPI: PM-Timer IO Port: 0xb008
[ 0.278266][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.279194][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.280407][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.281394][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.282368][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.283348][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.284392][ T0] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.285336][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.286179][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.287263][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[ 0.288400][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
[ 0.289488][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[ 0.290606][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff]
[ 0.292036][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff]
[ 0.293125][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff]
[ 0.294210][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices
[ 0.295302][ T0] Booting paravirtualized kernel on KVM
[ 0.296045][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.349681][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2
[ 0.351497][ T0] percpu: Embedded 69 pages/cpu s243912 r8192 d30520 u1048576
[ 0.353534][ T0] kvm-guest: PV spinlocks enabled
[ 0.354773][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.356048][ T0] Fallback order for Node 0: 0 1
[ 0.356923][ T0] Fallback order for Node 1: 1 0
[ 0.357640][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125
[ 0.358629][ T0] Policy zone: Normal
[ 0.359141][ 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 dummy_hcd.num=8 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0
[ 0.374977][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space.
[ 0.377748][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off
[ 0.379793][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[ 0.381061][ T0] software IO TLB: area num 2.
[ 0.977715][ T0] Memory: 6828212K/8388204K available (143390K kernel code, 34861K rwdata, 30348K rodata, 2724K init, 33920K bss, 1559736K reserved, 0K cma-reserved)
[ 0.982126][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2
[ 0.984642][ T0] Dynamic Preempt: full
[ 0.985681][ T0] Running RCU self tests
[ 0.987020][ T0] rcu: Preemptible hierarchical RCU implementation.
[ 0.988040][ T0] rcu: RCU lockdep checking is enabled.
[ 0.988759][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[ 0.989753][ T0] rcu: RCU callback double-/use-after-free debug is enabled.
[ 0.990715][ T0] rcu: RCU debug extended QS entry/exit.
[ 0.991519][ T0] All grace periods are expedited (rcu_expedited).
[ 0.993062][ T0] Trampoline variant of Tasks RCU enabled.
[ 0.993827][ T0] Tracing variant of Tasks RCU enabled.
[ 0.994624][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 0.995718][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 1.029113][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[ 1.031392][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 1.032632][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000
[ 1.034108][ T0] random: crng init done
[ 1.035611][ T0] Console: colour VGA+ 80x25
[ 1.037089][ T0] printk: console [ttyS0] enabled
[ 1.037089][ T0] printk: console [ttyS0] enabled
[ 1.038498][ T0] printk: bootconsole [earlyser0] disabled
[ 1.038498][ T0] printk: bootconsole [earlyser0] disabled
[ 1.040013][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 1.041258][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 1.042554][ T0] ... MAX_LOCK_DEPTH: 48
[ 1.043531][ T0] ... MAX_LOCKDEP_KEYS: 8192
[ 1.044661][ T0] ... CLASSHASH_SIZE: 4096
[ 1.045395][ T0] ... MAX_LOCKDEP_ENTRIES: 131072
[ 1.046111][ T0] ... MAX_LOCKDEP_CHAINS: 262144
[ 1.046860][ T0] ... CHAINHASH_SIZE: 131072
[ 1.047629][ T0] memory used by lock dependency info: 20657 kB
[ 1.048467][ T0] memory used for stack traces: 8320 kB
[ 1.049215][ T0] per task-struct memory footprint: 1920 bytes
[ 1.050229][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
[ 1.052144][ T0] ACPI: Core revision 20220331
[ 1.053286][ T0] APIC: Switch to symmetric I/O mode setup
[ 1.058112][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[ 1.059266][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x206eb2111f5, max_idle_ns: 440795222471 ns
[ 1.060801][ T0] Calibrating delay loop (skipped) preset value.. 4499.99 BogoMIPS (lpj=22499980)
[ 1.062020][ T0] pid_max: default: 32768 minimum: 301
[ 1.070905][ T0] LSM: Security Framework initializing
[ 1.071762][ T0] landlock: Up and running.
[ 1.072369][ T0] Yama: becoming mindful.
[ 1.073033][ T0] TOMOYO Linux initialized
[ 1.073818][ T0] AppArmor: AppArmor initialized
[ 1.074505][ T0] LSM support for eBPF active
[ 1.077428][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage)
[ 1.079768][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage)
[ 1.080900][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[ 1.082159][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[ 1.085615][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated
[ 1.087334][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 512
[ 1.088306][ T0] Last level dTLB entries: 4KB 2048, 2MB 2048, 4MB 1024, 1GB 0
[ 1.089341][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 1.090851][ T0] Spectre V2 : Kernel not compiled with retpoline; no mitigation available!
[ 1.090858][ T0] Spectre V2 : Vulnerable
[ 1.092652][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[ 1.093950][ T0] Spectre V2 : Enabling Speculation Barrier for firmware calls
[ 1.094956][ T0] RETBleed: Mitigation: IBPB
[ 1.095597][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 1.096833][ T0] Spectre V2 : Selecting STIBP always-on mode to complement retbleed mitigation
[ 1.098062][ T0] Spectre V2 : User space: Mitigation: STIBP always-on protection
[ 1.099184][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[ 1.102644][ T0] Freeing SMP alternatives memory: 112K
[ 1.224196][ T1] smpboot: CPU0: AMD EPYC 7B12 (family: 0x17, model: 0x31, stepping: 0x0)
[ 1.227494][ T1] cblist_init_generic: Setting adjustable number of callback queues.
[ 1.228641][ T1] cblist_init_generic: Setting shift to 1 and lim to 1.
[ 1.229899][ T1] cblist_init_generic: Setting shift to 1 and lim to 1.
[ 1.230790][ T1] Running RCU-tasks wait API self tests
[ 1.331188][ T1] Performance Events: PMU not available due to virtualization, using software events only.
[ 1.333794][ T1] rcu: Hierarchical SRCU implementation.
[ 1.334557][ T1] rcu: Max phase no-delay instances is 1000.
[ 1.338607][ T1] NMI watchdog: Perf NMI watchdog permanently disabled
[ 1.339981][ T1] smp: Bringing up secondary CPUs ...
[ 1.341926][ T1] x86: Booting SMP configuration:
[ 1.342635][ T1] .... node #0, CPUs: #1
[ 1.344237][ T1] Spectre V2 : Update user space SMT mitigation: STIBP always-on
[ 1.344237][ T1] smp: Brought up 2 nodes, 2 CPUs
[ 1.344237][ T1] smpboot: Max logical packages: 1
[ 1.344237][ T1] smpboot: Total of 2 processors activated (8999.99 BogoMIPS)
[ 1.363142][ T1] allocated 134217728 bytes of page_ext
[ 1.364464][ T1] Node 0, zone DMA: page owner found early allocated 0 pages
[ 1.370851][ T13] Callback from call_rcu_tasks_trace() invoked.
[ 1.375895][ T1] Node 0, zone DMA32: page owner found early allocated 20063 pages
[ 1.388680][ T1] Node 0, zone Normal: page owner found early allocated 228 pages
[ 1.395522][ T1] Node 1, zone Normal: page owner found early allocated 19162 pages
[ 1.401269][ T1] devtmpfs: initialized
[ 1.402026][ T1] x86/mm: Memory block size: 128MB
[ 1.435191][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 1.441495][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc)
[ 1.442830][ T1] PM: RTC time: 21:39:19, date: 2022-08-14
[ 1.454003][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 1.459904][ T1] audit: initializing netlink subsys (disabled)
[ 1.461013][ T26] audit: type=2000 audit(1660513159.546:1): state=initialized audit_enabled=0 res=1
[ 1.463140][ T1] thermal_sys: Registered thermal governor 'step_wise'
[ 1.463151][ T1] thermal_sys: Registered thermal governor 'user_space'
[ 1.464280][ T1] cpuidle: using governor menu
[ 1.466175][ T1] NET: Registered PF_QIPCRTR protocol family
[ 1.473368][ T1] PCI: Using configuration type 1 for base access
[ 1.474277][ T1] PCI: Using configuration type 1 for extended access
[ 1.550935][ T12] Callback from call_rcu_tasks() invoked.
[ 1.633826][ T1] WARNING: workqueue cpumask: online intersect > possible intersect
[ 1.641084][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages
[ 1.642152][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page
[ 1.643196][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages
[ 1.644274][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page
[ 1.655709][ T1] cryptd: max_cpu_qlen set to 1000
[ 1.660055][ T1] raid6: skipped pq benchmark and selected avx2x4
[ 1.660870][ T1] raid6: using avx2x2 recovery algorithm
[ 1.662984][ T1] ACPI: Added _OSI(Module Device)
[ 1.663810][ T1] ACPI: Added _OSI(Processor Device)
[ 1.664550][ T1] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 1.665324][ T1] ACPI: Added _OSI(Processor Aggregator Device)
[ 1.666269][ T1] ACPI: Added _OSI(Linux-Dell-Video)
[ 1.667000][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 1.667969][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[ 1.748557][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 1.796474][ T1] ACPI: Interpreter enabled
[ 1.797595][ T1] ACPI: PM: (supports S0 S3 S4 S5)
[ 1.798620][ T1] ACPI: Using IOAPIC for interrupt routing
[ 1.799665][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 1.800831][ T1] PCI: Using E820 reservations for host bridge windows
[ 1.805148][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 1.915459][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 1.916603][ T1] acpi PNP0A03:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]
[ 1.929386][ T1] PCI host bridge to bus 0000:00
[ 1.930126][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced
[ 1.930812][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 1.932130][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 1.933346][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 1.934890][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window]
[ 1.936134][ T1] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 1.937845][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[ 1.943945][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100
[ 1.963262][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[ 1.977460][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 1.982242][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000
[ 1.988485][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f]
[ 1.992890][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f]
[ 2.005646][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000
[ 2.011604][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f]
[ 2.016368][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f]
[ 2.030327][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000
[ 2.036137][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff]
[ 2.053074][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 2.057431][ T1] pci 0000:00:06.0: [1af4:1005] type 00 class 0x00ff00
[ 2.063993][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f]
[ 2.068608][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80203f]
[ 2.100473][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 2.105232][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 2.112257][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
[ 2.117402][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11
[ 2.120466][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9
[ 2.131839][ T1] iommu: Default domain type: Translated
[ 2.132644][ T1] iommu: DMA domain TLB invalidation policy: lazy mode
[ 2.137286][ T1] SCSI subsystem initialized
[ 2.139434][ T1] ACPI: bus type USB registered
[ 2.140526][ T1] usbcore: registered new interface driver usbfs
[ 2.141039][ T1] usbcore: registered new interface driver hub
[ 2.142082][ T1] usbcore: registered new device driver usb
[ 2.144192][ T1] mc: Linux media interface: v0.10
[ 2.145103][ T1] videodev: Linux video capture interface: v2.00
[ 2.146536][ T1] pps_core: LinuxPPS API ver. 1 registered
[ 2.147346][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
[ 2.149402][ T1] PTP clock support registered
[ 2.151861][ T1] EDAC MC: Ver: 3.0.0
[ 2.155247][ T1] Advanced Linux Sound Architecture Driver Initialized.
[ 2.159716][ T1] Bluetooth: Core ver 2.22
[ 2.160536][ T1] NET: Registered PF_BLUETOOTH protocol family
[ 2.160869][ T1] Bluetooth: HCI device and connection manager initialized
[ 2.161947][ T1] Bluetooth: HCI socket layer initialized
[ 2.162754][ T1] Bluetooth: L2CAP socket layer initialized
[ 2.163625][ T1] Bluetooth: SCO socket layer initialized
[ 2.164479][ T1] NET: Registered PF_ATMPVC protocol family
[ 2.165279][ T1] NET: Registered PF_ATMSVC protocol family
[ 2.166368][ T1] NetLabel: Initializing
[ 2.166990][ T1] NetLabel: domain hash size = 128
[ 2.167735][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 2.169047][ T1] NetLabel: unlabeled traffic allowed by default
[ 2.171280][ T1] nfc: nfc_init: NFC Core ver 0.1
[ 2.171280][ T1] NET: Registered PF_NFC protocol family
[ 2.171280][ T1] PCI: Using ACPI for IRQ routing
[ 2.172242][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device
[ 2.173266][ T1] pci 0000:00:05.0: vgaarb: bridge control possible
[ 2.174195][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 2.175522][ T1] vgaarb: loaded
[ 2.183714][ T1] clocksource: Switched to clocksource kvm-clock
[ 2.189871][ T1] VFS: Disk quotas dquot_6.6.0
[ 2.190717][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 2.190790][ T1] FS-Cache: Loaded
[ 2.191067][ T1] CacheFiles: Loaded
[ 2.192123][ T1] TOMOYO: 2.6.0
[ 2.192683][ T1] Mandatory Access Control activated.
[ 2.196371][ T1] AppArmor: AppArmor Filesystem Enabled
[ 2.197565][ T1] pnp: PnP ACPI init
[ 2.213494][ T1] pnp: PnP ACPI: found 7 devices
[ 2.249735][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[ 2.252236][ T1] NET: Registered PF_INET protocol family
[ 2.255990][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc)
[ 2.267031][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, vmalloc)
[ 2.269230][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc)
[ 2.271816][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc)
[ 2.277426][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc hugepage)
[ 2.283684][ T1] TCP: Hash tables configured (established 65536 bind 65536)
[ 2.287076][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc)
[ 2.290501][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc)
[ 2.294074][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc)
[ 2.296518][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family
[ 2.299174][ T1] RPC: Registered named UNIX socket transport module.
[ 2.300254][ T1] RPC: Registered udp transport module.
[ 2.301203][ T1] RPC: Registered tcp transport module.
[ 2.301996][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 2.304886][ T1] NET: Registered PF_XDP protocol family
[ 2.305690][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
[ 2.306969][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window]
[ 2.307967][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[ 2.309088][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window]
[ 2.311078][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 2.312277][ T1] PCI: CLS 0 bytes, default 64
[ 2.313141][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[ 2.314218][ T1] software IO TLB: mapped [mem 0x00000000b5a00000-0x00000000b9a00000] (64MB)
[ 2.315503][ T1] ACPI: bus type thunderbolt registered
[ 2.322290][ T57] kworker/u4:1 (57) used greatest stack depth: 27952 bytes left
[ 2.331072][ T1] kvm: no hardware support for 'kvm_intel'
[ 2.331961][ T1] has_svm: svm not available
[ 2.332658][ T1] kvm: no hardware support for 'kvm_amd'
[ 2.333454][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x206eb2111f5, max_idle_ns: 440795222471 ns
[ 2.335032][ T1] clocksource: Switched to clocksource tsc
[ 2.351329][ T61] kworker/u4:4 (61) used greatest stack depth: 27472 bytes left
[ 5.488400][ T1] Initialise system trusted keyrings
[ 5.491353][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0
[ 5.524597][ T1] zbud: loaded
[ 5.532015][ T1] DLM installed
[ 5.538032][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 5.547891][ T1] NFS: Registering the id_resolver key type
[ 5.548988][ T1] Key type id_resolver registered
[ 5.549832][ T1] Key type id_legacy registered
[ 5.551154][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 5.552342][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
[ 5.560930][ T1] Key type cifs.spnego registered
[ 5.561939][ T1] Key type cifs.idmap registered
[ 5.563191][ T1] ntfs: driver 2.1.32 [Flags: R/W].
[ 5.564998][ T1] ntfs3: Max link count 4000
[ 5.565867][ T1] ntfs3: Enabled Linux POSIX ACLs support
[ 5.566774][ T1] ntfs3: Read-only LZX/Xpress compression included
[ 5.569003][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/
[ 5.570174][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
[ 5.574412][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc.
[ 5.575776][ T1] QNX4 filesystem 0.2.3 registered.
[ 5.576955][ T1] qnx6: QNX6 filesystem 1.0.0 registered.
[ 5.578487][ T1] fuse: init (API version 7.36)
[ 5.582654][ T1] orangefs_debugfs_init: called with debug mask: :none: :0:
[ 5.584213][ T1] orangefs_init: module version upstream loaded
[ 5.585871][ T1] JFS: nTxBlock = 8192, nTxLock = 65536
[ 5.599152][ T1] SGI XFS with ACLs, security attributes, realtime, quota, fatal assert, debug enabled
[ 5.611036][ T1] 9p: Installing v9fs 9p2000 file system support
[ 5.613163][ T1] NILFS version 2 loaded
[ 5.613771][ T1] befs: version: 0.9.3
[ 5.615647][ T1] ocfs2: Registered cluster interface o2cb
[ 5.616881][ T1] ocfs2: Registered cluster interface user
[ 5.618254][ T1] OCFS2 User DLM kernel interface loaded
[ 5.628237][ T1] gfs2: GFS2 installed
[ 5.638539][ T1] ceph: loaded (mds proto 32)
[ 5.649598][ T1] NET: Registered PF_ALG protocol family
[ 5.650471][ T1] xor: automatically using best checksumming function avx
[ 5.651561][ T1] async_tx: api initialized (async)
[ 5.652340][ T1] Key type asymmetric registered
[ 5.653054][ T1] Asymmetric key parser 'x509' registered
[ 5.653972][ T1] Asymmetric key parser 'pkcs8' registered
[ 5.654779][ T1] Key type pkcs7_test registered
[ 5.658237][ T1] alg: self-tests for CTR-KDF (hmac(sha256)) passed
[ 5.659420][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240)
[ 5.661052][ T1] io scheduler mq-deadline registered
[ 5.661817][ T1] io scheduler kyber registered
[ 5.662971][ T1] io scheduler bfq registered
[ 5.677151][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 5.679391][ T146] kworker/u4:0 (146) used greatest stack depth: 27088 bytes left
[ 5.682719][ T1] ACPI: button: Power Button [PWRF]
[ 5.684753][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
[ 5.687118][ T1] ACPI: button: Sleep Button [SLPF]
[ 5.707374][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11
[ 5.708246][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
[ 5.721874][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10
[ 5.722708][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
[ 5.738166][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10
[ 5.739147][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver
[ 5.905563][ T464] kworker/u4:4 (464) used greatest stack depth: 26984 bytes left
[ 6.042271][ T702] kworker/u4:3 (702) used greatest stack depth: 26824 bytes left
[ 6.042940][ T1] N_HDLC line discipline registered with maxframe=4096
[ 6.045051][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 6.047053][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 6.053579][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[ 6.059559][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
[ 6.066208][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
[ 6.078289][ T1] Non-volatile memory driver v1.3
[ 6.090027][ T1] Linux agpgart interface v0.103
[ 6.093528][ T1] ACPI: bus type drm_connector registered
[ 6.097718][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0
[ 6.103192][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1
[ 6.157876][ T1] Console: switching to colour frame buffer device 128x48
[ 6.176799][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device
[ 6.178261][ T1] usbcore: registered new interface driver udl
[ 6.227440][ T1] brd: module loaded
[ 6.277889][ T1] loop: module loaded
[ 6.347026][ T1] zram: Added device: zram0
[ 6.353751][ T1] null_blk: disk nullb0 created
[ 6.354603][ T1] null_blk: module loaded
[ 6.355525][ T1] Guest personality initialized and is inactive
[ 6.356973][ T1] VMCI host device registered (name=vmci, major=10, minor=120)
[ 6.358213][ T1] Initialized host personality
[ 6.359023][ T1] usbcore: registered new interface driver rtsx_usb
[ 6.360467][ T1] usbcore: registered new interface driver viperboard
[ 6.362060][ T1] usbcore: registered new interface driver dln2
[ 6.363356][ T1] usbcore: registered new interface driver pn533_usb
[ 6.367205][ T1] nfcsim 0.2 initialized
[ 6.368263][ T1] usbcore: registered new interface driver port100
[ 6.369402][ T1] usbcore: registered new interface driver nfcmrvl
[ 6.374438][ T1] Loading iSCSI transport class v2.0-870.
[ 6.399714][ T1] scsi host0: Virtio SCSI HBA
[ 6.434626][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256
[ 6.436998][ T56] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6
[ 6.467018][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288
[ 6.468680][ T1] db_root: cannot open: /etc/target
[ 6.470281][ T1] slram: not enough parameters.
[ 6.476665][ T1] ftl_cs: FTL header not found.
[ 6.513603][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information.
[ 6.514849][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved.
[ 6.516359][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com)
[ 6.526158][ T1] MACsec IEEE 802.1AE
[ 6.541995][ T1] tun: Universal TUN/TAP device driver, 1.6
[ 6.595633][ T1] vcan: Virtual CAN interface driver
[ 6.596622][ T1] vxcan: Virtual CAN Tunnel driver
[ 6.597397][ T1] slcan: serial line CAN interface driver
[ 6.598338][ T1] CAN device driver interface
[ 6.601370][ C1] ------------[ cut here ]------------
[ 6.602083][ T1090] list_del corruption. next->prev should be ffff88802021cdf0, but was ffff000000000000. (next=ffff888020346b70)
[ 6.602439][ C1] refcount_t: underflow; use-after-free.
[ 6.604342][ T1090] ------------[ cut here ]------------
[ 6.605233][ C1] WARNING: CPU: 1 PID: 21 at lib/refcount.c:28 refcount_warn_saturate+0x1d1/0x1e0
[ 6.605705][ T1090] kernel BUG at lib/list_debug.c:62!
[ 6.607029][ C1] Modules linked in:
[ 6.607772][ T1090] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 6.608319][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 5.19.0-syzkaller-14374-g5d6a0f4da927-dirty #0
[ 6.609142][ T1090] CPU: 0 PID: 1090 Comm: kworker/u4:2 Not tainted 5.19.0-syzkaller-14374-g5d6a0f4da927-dirty #0
[ 6.610525][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 6.610825][ T1090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 6.610825][ T1090] RIP: 0010:__list_del_entry_valid.cold+0x70/0x72
[ 6.610825][ T1090] Code: f0 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 03 49 8a e8 f0 f1 f0 ff 0f 0b 4c 89 e9 48 89 ee 48 c7 c7 c0 04 49 8a e8 dc f1 f0 ff <0f> 0b 83 c3 01 b8 ff ff 37 00 89 1d 7a a4 e9 07 48 c1 e0 2a 65 48
[ 6.613307][ C1] RIP: 0010:refcount_warn_saturate+0x1d1/0x1e0
[ 6.610825][ T1090] RSP: 0018:ffffc90004b5fd70 EFLAGS: 00010086
[ 6.615652][ C1] Code: e9 db fe ff ff 48 89 df e8 ec 1e cb fd e9 8a fe ff ff e8 12 c7 7e fd 48 c7 c7 c0 bd 48 8a c6 05 e8 54 cc 09 01 e8 ac ec 3c 05 <0f> 0b e9 af fe ff ff 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55
[ 6.610825][ T1090]
[ 6.610825][ T1090] RAX: 000000000000006d RBX: ffff88802021bb00 RCX: 0000000000000000
[ 6.619195][ C1] RSP: 0018:ffffc900001b7d10 EFLAGS: 00010286
[ 6.610825][ T1090] RDX: ffff88802021bb00 RSI: ffffffff8161f148 RDI: fffff5200096bfa0
[ 6.610825][ T1090] RBP: ffff88802021cdf0 R08: 000000000000006d R09: 0000000000000000
[ 6.610825][ T1090] R10: 0000000080000001 R11: 000000000000001d R12: ffff8880201f4df0
[ 6.623336][ C1]
[ 6.610825][ T1090] R13: ffff888020346b70 R14: ffffffff8bfcbdc0 R15: 0000000000000000
[ 6.624724][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 6.610825][ T1090] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 6.626653][ C1] RDX: ffff888011ac9d80 RSI: ffffffff8161f148 RDI: fffff52000036f94
[ 6.610825][ T1090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6.628875][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
[ 6.610825][ T1090] CR2: ffff88823ffff000 CR3: 000000000bc8e000 CR4: 0000000000350ef0
[ 6.630316][ C1] R10: 0000000080000100 R11: 0000000000000001 R12: ffff888020343b00
[ 6.610825][ T1090] Call Trace:
[ 6.610825][ T1090]
[ 6.610825][ T1090] css_set_move_task+0x108/0x750
[ 6.632887][ C1] R13: ffff888020343b28 R14: ffffc900001b7dc8 R15: 0000000000000004
[ 6.610825][ T1090] cgroup_exit+0xc0/0x910
[ 6.635067][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 6.610825][ T1090] do_exit+0xaed/0x29b0
[ 6.637229][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6.610825][ T1090] ? slab_free_freelist_hook+0x8b/0x1c0
[ 6.638855][ C1] CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000350ee0
[ 6.610825][ T1090] ? mm_update_next_owner+0x7a0/0x7a0
[ 6.639944][ C1] Call Trace:
[ 6.610825][ T1090] ? putname+0xfe/0x140
[ 6.610825][ T1090] call_usermodehelper_exec_async+0x418/0x580
[ 6.641703][ C1]
[ 6.610825][ T1090] ? umh_complete+0x90/0x90
[ 6.643493][ C1] delayed_put_task_struct+0x2de/0x330
[ 6.610825][ T1090] ret_from_fork+0x1f/0x30
[ 6.645159][ C1] rcu_core+0x7b5/0x1890
[ 6.610825][ T1090]
[ 6.647041][ C1] ? rcu_report_dead+0x680/0x680
[ 6.610825][ T1090] Modules linked in:
[ 6.648290][ C1] __do_softirq+0x1d3/0x9c6
[ 6.610825][ T1090] ---[ end trace 0000000000000000 ]---
[ 6.649720][ C1] ? __irq_exit_rcu+0x180/0x180
[ 6.610825][ T1090] RIP: 0010:__list_del_entry_valid.cold+0x70/0x72
[ 6.651162][ C1] run_ksoftirqd+0x2d/0x60
[ 6.610825][ T1090] Code: f0 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 03 49 8a e8 f0 f1 f0 ff 0f 0b 4c 89 e9 48 89 ee 48 c7 c7 c0 04 49 8a e8 dc f1 f0 ff <0f> 0b 83 c3 01 b8 ff ff 37 00 89 1d 7a a4 e9 07 48 c1 e0 2a 65 48
[ 6.652421][ C1] smpboot_thread_fn+0x645/0x9c0
[ 6.610825][ T1090] RSP: 0018:ffffc90004b5fd70 EFLAGS: 00010086
[ 6.653608][ C1] ? sort_range+0x30/0x30
[ 6.610825][ T1090]
[ 6.610825][ T1090] RAX: 000000000000006d RBX: ffff88802021bb00 RCX: 0000000000000000
[ 6.610825][ T1090] RDX: ffff88802021bb00 RSI: ffffffff8161f148 RDI: fffff5200096bfa0
[ 6.610825][ T1090] RBP: ffff88802021cdf0 R08: 000000000000006d R09: 0000000000000000
[ 6.654897][ C1] kthread+0x2e4/0x3a0
[ 6.610825][ T1090] R10: 0000000080000001 R11: 000000000000001d R12: ffff8880201f4df0
[ 6.656425][ C1] ? kthread_complete_and_exit+0x40/0x40
[ 6.610825][ T1090] R13: ffff888020346b70 R14: ffffffff8bfcbdc0 R15: 0000000000000000
[ 6.658225][ C1] ret_from_fork+0x1f/0x30
[ 6.610825][ T1090] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 6.610825][ T1090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6.610825][ T1090] CR2: ffff88823ffff000 CR3: 000000000bc8e000 CR4: 0000000000350ef0
[ 6.661666][ C1]
[ 6.610825][ T1090] Kernel panic - not syncing: Fatal exception
[ 6.610825][ T1090] Kernel Offset: disabled
[ 6.610825][ T1090] 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="/syzkaller/jobs/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-build1280969225=/tmp/go-build -gno-record-gcc-switches"
git status (err=)
HEAD detached at a6201f116
nothing to commit, working tree clean
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=a6201f1167d158d5a0538c3d29bc3b2bebb0a4fd -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220810-120740'" "-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=a6201f1167d158d5a0538c3d29bc3b2bebb0a4fd -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220810-120740'" "-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=a6201f1167d158d5a0538c3d29bc3b2bebb0a4fd -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220810-120740'" "-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=\"a6201f1167d158d5a0538c3d29bc3b2bebb0a4fd\"