WARNING: locking bug in get_arg_page ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 258 at kernel/locking/lockdep.c:231 hlock_class kernel/locking/lockdep.c:231 [inline] WARNING: CPU: 0 PID: 258 at kernel/locking/lockdep.c:231 hlock_class kernel/locking/lockdep.c:220 [inline] WARNING: CPU: 0 PID: 258 at kernel/locking/lockdep.c:231 check_wait_context kernel/locking/lockdep.c:4727 [inline] WARNING: CPU: 0 PID: 258 at kernel/locking/lockdep.c:231 __lock_acquire+0x13ae/0x56d0 kernel/locking/lockdep.c:5003 Modules linked in: CPU: 0 PID: 258 Comm: kworker/u4:0 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:hlock_class kernel/locking/lockdep.c:231 [inline] RIP: 0010:hlock_class kernel/locking/lockdep.c:220 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4727 [inline] RIP: 0010:__lock_acquire+0x13ae/0x56d0 kernel/locking/lockdep.c:5003 Code: 08 84 d2 0f 85 56 41 00 00 8b 15 05 da b4 07 85 d2 0f 85 d5 fd ff ff 48 c7 c6 00 af 47 86 48 c7 c7 e0 a8 47 86 e8 62 93 9b 04 <0f> 0b 31 ed e9 50 f0 ff ff 48 c7 c0 68 a6 de 88 48 ba 00 00 00 00 RSP: 0000:ffffc9000169fad8 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffff88810e73c2f8 RCX: 0000000000000000 RDX: ffff88810e73b900 RSI: ffffffff812c97e8 RDI: fffff520002d3f4d RBP: 000000000000161c R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffff88810e73c2f8 R13: ffff88810e73b900 R14: ffff88810e6c9d28 R15: 0000000000050000 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 0000000007825000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5666 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631 down_read+0x98/0x450 kernel/locking/rwsem.c:1499 mmap_read_lock include/linux/mmap_lock.h:117 [inline] get_arg_page+0x9f/0x2a0 fs/exec.c:221 copy_string_kernel+0x169/0x460 fs/exec.c:639 kernel_execve+0x2d6/0x500 fs/exec.c:1996 call_usermodehelper_exec_async+0x2e3/0x580 kernel/umh.c:112 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@10.128.1.99" "pwd"]: exit status 255 ssh: connect to host 10.128.1.99 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-2 port 1 (session ID: d8663d49a42a21c1b1e1f070332a46e78c91208ae2074e0fa83e547cdce35a9c, 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 ddd03948-a79d-6159-055f-1d61b1d4689b 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 2757220903 cycles [ 0.001304][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.007243][ T0] tsc: Detected 2200.148 MHz processor [ 0.013348][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.015634][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.017370][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.024613][ T0] found SMP MP-table at [mem 0x000f2750-0x000f275f] [ 0.026697][ T0] Using GB pages for direct mapping [ 0.029976][ T0] ACPI: Early table checksum verification disabled [ 0.031702][ T0] ACPI: RSDP 0x00000000000F24D0 000014 (v00 Google) [ 0.032925][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.035511][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.037899][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.040049][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.041487][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.042801][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.045401][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.047646][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.050686][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.053775][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.056088][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.057896][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.060155][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.061795][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.063473][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.065589][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.067932][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.070050][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.071049][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.071940][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.073179][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.074682][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.076527][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.079241][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.081715][ T0] NODE_DATA(0) allocated [mem 0x23fffa000-0x23fffdfff] [ 0.239164][ T0] Zone ranges: [ 0.240423][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.243007][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.244800][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.246493][ T0] Movable zone start for each node [ 0.247522][ T0] Early memory node ranges [ 0.248744][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.251231][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.253375][ T0] node 0: [mem 0x0000000100000000-0x000000023fffffff] [ 0.255861][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff] [ 0.258244][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.258406][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.322139][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 1.574624][ T0] kasan: KernelAddressSanitizer initialized [ 1.579156][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 1.580486][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 1.581970][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 1.584001][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 1.585881][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 1.587942][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 1.589877][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 1.591605][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 1.593608][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 1.595102][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 1.597952][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 1.600595][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 1.602950][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 1.605170][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 1.607613][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 1.609564][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 1.612072][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 1.614382][ T0] Booting paravirtualized kernel on KVM [ 1.616360][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.661530][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1 [ 1.667500][ T0] percpu: Embedded 67 pages/cpu s233568 r8192 d32672 u1048576 [ 1.669517][ T0] kvm-guest: PV spinlocks enabled [ 1.670976][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 1.672922][ T0] Fallback order for Node 0: 0 [ 1.674138][ T0] Built 1 zonelists, mobility grouping on. Total pages: 2064125 [ 1.676923][ T0] Policy zone: Normal [ 1.678085][ 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 [ 1.705344][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 1.719326][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 1.726370][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 1.728555][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.739486][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 1.743856][ T0] software IO TLB: area num 2. [ 2.705170][ T0] Memory: 6921704K/8388204K available (83983K kernel code, 22480K rwdata, 19020K rodata, 2220K init, 32260K bss, 1466244K reserved, 0K cma-reserved) [ 2.710208][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 2.720270][ T0] Dynamic Preempt: voluntary [ 2.722033][ T0] Running RCU self tests [ 2.723114][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.724574][ T0] rcu: RCU lockdep checking is enabled. [ 2.725785][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 2.727403][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 2.728870][ T0] rcu: RCU debug extended QS entry/exit. [ 2.730898][ T0] All grace periods are expedited (rcu_expedited). [ 2.733050][ T0] Trampoline variant of Tasks RCU enabled. [ 2.734280][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.736166][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 2.759305][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.761672][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 2.763539][ T0] random: crng init done [ 2.765815][ T0] Console: colour VGA+ 80x25 [ 2.768054][ T0] printk: console [ttyS0] enabled [ 2.768054][ T0] printk: console [ttyS0] enabled [ 2.770434][ T0] printk: bootconsole [earlyser0] disabled [ 2.770434][ T0] printk: bootconsole [earlyser0] disabled [ 2.773409][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.775494][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.777008][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.778014][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.779440][ T0] ... CLASSHASH_SIZE: 4096 [ 2.780888][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 2.781893][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 2.783236][ T0] ... CHAINHASH_SIZE: 131072 [ 2.784006][ T0] memory used by lock dependency info: 20657 kB [ 2.785117][ T0] memory used for stack traces: 8320 kB [ 2.785971][ T0] per task-struct memory footprint: 1920 bytes [ 2.787575][ T0] ACPI: Core revision 20220331 [ 2.789032][ T0] APIC: Switch to symmetric I/O mode setup [ 2.796067][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.797761][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6beb5c3c, max_idle_ns: 440795241915 ns [ 2.799934][ T0] Calibrating delay loop (skipped) preset value.. 4400.29 BogoMIPS (lpj=22001480) [ 2.801936][ T0] pid_max: default: 32768 minimum: 301 [ 2.803465][ T0] LSM: Security Framework initializing [ 2.804975][ T0] landlock: Up and running. [ 2.805889][ T0] Yama: becoming mindful. [ 2.806847][ T0] TOMOYO Linux initialized [ 2.808337][ T0] AppArmor: AppArmor initialized [ 2.810449][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 2.812929][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 2.818560][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.819940][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 2.821320][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.823228][ T0] Spectre V2 : Mitigation: IBRS [ 2.824211][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 2.826021][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 2.827639][ T0] RETBleed: Mitigation: IBRS [ 2.828644][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.829965][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.831715][ T0] MDS: Mitigation: Clear CPU buffers [ 2.832602][ T0] TAA: Mitigation: Clear CPU buffers [ 2.833446][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.837466][ T0] Freeing SMP alternatives memory: 60K [ 2.960153][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.963990][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 2.965796][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 2.967954][ T1] Running RCU-tasks wait API self tests [ 3.070051][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 3.072507][ T1] rcu: Hierarchical SRCU implementation. [ 3.073307][ T1] rcu: Max phase no-delay instances is 1000. [ 3.079498][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 3.080731][ T1] smp: Bringing up secondary CPUs ... [ 3.083525][ T1] x86: Booting SMP configuration: [ 3.084808][ T1] .... node #0, CPUs: #1 [ 3.087057][ 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. [ 3.090014][ 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. [ 3.092543][ 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. [ 3.095802][ T1] smp: Brought up 1 node, 2 CPUs [ 3.097051][ T1] smpboot: Max logical packages: 1 [ 3.099925][ T1] smpboot: Total of 2 processors activated (8800.59 BogoMIPS) [ 3.181580][ T11] Callback from call_rcu_tasks() invoked. [ 3.247240][ T1] allocated 134217728 bytes of page_ext [ 3.248755][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 3.252962][ T1] Node 0, zone DMA32: page owner found early allocated 15 pages [ 3.278203][ T1] Node 0, zone Normal: page owner found early allocated 33979 pages [ 3.281615][ T1] devtmpfs: initialized [ 3.311458][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.313372][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear) [ 3.317540][ T1] PM: RTC time: 14:45:31, date: 2022-09-04 [ 3.320032][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 3.325967][ T1] audit: initializing netlink subsys (disabled) [ 3.327488][ T24] audit: type=2000 audit(1662302731.504:1): state=initialized audit_enabled=0 res=1 [ 3.330314][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.330325][ T1] thermal_sys: Registered thermal governor 'user_space' [ 3.332003][ T1] cpuidle: using governor menu [ 3.338885][ T1] PCI: Using configuration type 1 for base access [ 3.496748][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.500281][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.517386][ T1] ACPI: Added _OSI(Module Device) [ 3.518575][ T1] ACPI: Added _OSI(Processor Device) [ 3.519784][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.519928][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.521403][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 3.522506][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 3.523775][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 3.635226][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.669171][ T1] ACPI: Interpreter enabled [ 3.670386][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.671368][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.672724][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.674939][ T1] PCI: Using E820 reservations for host bridge windows [ 3.680131][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.816364][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.818264][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.819804][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 3.820699][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.838864][ T1] PCI host bridge to bus 0000:00 [ 3.839935][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.841390][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.842955][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.844464][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.846178][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.848007][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 3.854305][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 3.886594][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 3.920134][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.925143][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 3.936381][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 3.945741][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 3.973846][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 3.985962][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 3.993751][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 4.023497][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 4.035922][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 4.071102][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.078013][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 4.090120][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 4.099933][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 4.126016][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 4.138029][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 4.146940][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 4.198077][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 4.206943][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 4.216243][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.223471][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.228516][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 4.246161][ T1] iommu: Default domain type: Translated [ 4.247787][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 4.254027][ T1] SCSI subsystem initialized [ 4.257554][ T1] ACPI: bus type USB registered [ 4.259689][ T1] usbcore: registered new interface driver usbfs [ 4.260283][ T1] usbcore: registered new interface driver hub [ 4.261814][ T1] usbcore: registered new device driver usb [ 4.266068][ T1] mc: Linux media interface: v0.10 [ 4.267362][ T1] videodev: Linux video capture interface: v2.00 [ 4.270880][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.271980][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.274835][ T1] PTP clock support registered [ 4.277069][ T1] EDAC MC: Ver: 3.0.0 [ 4.282512][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.289085][ T1] Bluetooth: Core ver 2.22 [ 4.290209][ T1] NET: Registered PF_BLUETOOTH protocol family [ 4.291177][ T1] Bluetooth: HCI device and connection manager initialized [ 4.292671][ T1] Bluetooth: HCI socket layer initialized [ 4.293837][ T1] Bluetooth: L2CAP socket layer initialized [ 4.294979][ T1] NET: Registered PF_ATMPVC protocol family [ 4.296424][ T1] NET: Registered PF_ATMSVC protocol family [ 4.298293][ T1] NetLabel: Initializing [ 4.299213][ T1] NetLabel: domain hash size = 128 [ 4.299928][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.301649][ T1] NetLabel: unlabeled traffic allowed by default [ 4.305435][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.306967][ T1] NET: Registered PF_NFC protocol family [ 4.307840][ T1] PCI: Using ACPI for IRQ routing [ 4.310381][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 4.311570][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 4.312982][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.314953][ T1] vgaarb: loaded [ 6.478215][ T1] clocksource: Switched to clocksource kvm-clock [ 6.479901][ T1] VFS: Disk quotas dquot_6.6.0 [ 6.479901][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.480320][ T1] TOMOYO: 2.6.0 [ 6.481134][ T1] Mandatory Access Control activated. [ 6.486346][ T1] AppArmor: AppArmor Filesystem Enabled [ 6.488003][ T1] pnp: PnP ACPI init [ 6.508681][ T1] pnp: PnP ACPI: found 7 devices [ 6.563550][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.566306][ T1] NET: Registered PF_INET protocol family [ 6.570291][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 6.584683][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, linear) [ 6.587211][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 6.589771][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 6.605990][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc hugepage) [ 6.613746][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 6.618488][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 6.623324][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 6.626427][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 6.630487][ T1] RPC: Registered named UNIX socket transport module. [ 6.631704][ T1] RPC: Registered udp transport module. [ 6.632707][ T1] RPC: Registered tcp transport module. [ 6.633934][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 6.638337][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 6.640032][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 6.641339][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 6.642722][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 6.645118][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.646704][ T1] PCI: CLS 0 bytes, default 64 [ 6.655156][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.656696][ T1] software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB) [ 6.670134][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 6.671977][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6beb5c3c, max_idle_ns: 440795241915 ns [ 6.674839][ T1] clocksource: Switched to clocksource tsc [ 6.691649][ T43] kworker/u4:0 (43) used greatest stack depth: 27208 bytes left [ 6.941084][ T1] Initialise system trusted keyrings [ 6.944179][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 6.994268][ T1] NFS: Registering the id_resolver key type [ 6.995646][ T1] Key type id_resolver registered [ 6.996525][ T1] Key type id_legacy registered [ 6.998303][ T1] 9p: Installing v9fs 9p2000 file system support [ 7.010263][ T1] Key type asymmetric registered [ 7.011943][ T1] Asymmetric key parser 'x509' registered [ 7.013426][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 7.015081][ T1] io scheduler mq-deadline registered [ 7.017148][ T1] io scheduler kyber registered [ 7.032353][ T1] usbcore: registered new interface driver udlfb [ 7.034397][ T1] usbcore: registered new interface driver smscufx [ 7.037964][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.041386][ T1] ACPI: button: Power Button [PWRF] [ 7.043429][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.045477][ T1] ACPI: button: Sleep Button [SLPF] [ 7.068667][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 7.071312][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.088995][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 7.090335][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.109574][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 7.110629][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 7.123826][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 7.132750][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.135171][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.138162][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.141119][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.144057][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.150747][ T1] Non-volatile memory driver v1.3 [ 7.171734][ T1] Linux agpgart interface v0.103 [ 7.175547][ T1] ACPI: bus type drm_connector registered [ 7.183463][ T1] usbcore: registered new interface driver udl [ 7.217275][ T1] loop: module loaded [ 7.219022][ T1] usbcore: registered new interface driver rtsx_usb [ 7.222137][ T1] usbcore: registered new interface driver viperboard [ 7.224360][ T1] usbcore: registered new interface driver dln2 [ 7.227099][ T1] usbcore: registered new interface driver pn533_usb [ 7.228560][ T1] usbcore: registered new interface driver port100 [ 7.230271][ T1] usbcore: registered new interface driver nfcmrvl [ 7.252740][ T1] scsi host0: Virtio SCSI HBA [ 7.304740][ T1] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 7.452677][ T26] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 7.454567][ T26] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 7.456192][ T26] sd 0:0:1:0: [sda] Write Protect is off [ 7.457863][ T26] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 7.470490][ T26] sda: sda1 [ 7.472270][ T26] sd 0:0:1:0: [sda] Attached SCSI disk [ 7.475545][ T1] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 7.485144][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 7.487647][ T1] db_root: cannot open: /etc/target [ 7.578681][ T258] ------------[ cut here ]------------ [ 7.579697][ T258] DEBUG_LOCKS_WARN_ON(1) [ 7.579771][ T258] WARNING: CPU: 0 PID: 258 at kernel/locking/lockdep.c:231 __lock_acquire+0x13ae/0x56d0 [ 7.581954][ T258] Modules linked in: [ 7.582450][ T1] CAN device driver interface [ 7.582846][ T258] CPU: 0 PID: 258 Comm: kworker/u4:0 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0 [ 7.584437][ T1] usbcore: registered new interface driver usb_8dev [ 7.585915][ T258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 7.587772][ T1] usbcore: registered new interface driver ems_usb [ 7.588230][ T258] RIP: 0010:__lock_acquire+0x13ae/0x56d0 [ 7.589887][ T1] usbcore: registered new interface driver gs_usb [ 7.588588][ T258] Code: 08 84 d2 0f 85 56 41 00 00 8b 15 05 da b4 07 85 d2 0f 85 d5 fd ff ff 48 c7 c6 00 af 47 86 48 c7 c7 e0 a8 47 86 e8 62 93 9b 04 <0f> 0b 31 ed e9 50 f0 ff ff 48 c7 c0 68 a6 de 88 48 ba 00 00 00 00 [ 7.588588][ T258] RSP: 0000:ffffc9000169fad8 EFLAGS: 00010086 [ 7.588588][ T258] RAX: 0000000000000000 RBX: ffff88810e73c2f8 RCX: 0000000000000000 [ 7.588588][ T258] RDX: ffff88810e73b900 RSI: ffffffff812c97e8 RDI: fffff520002d3f4d [ 7.593200][ T1] usbcore: registered new interface driver kvaser_usb [ 7.588588][ T258] RBP: 000000000000161c R08: 0000000000000005 R09: 0000000000000000 [ 7.599355][ T1] usbcore: registered new interface driver mcba_usb [ 7.588588][ T258] R10: 0000000080000000 R11: 0000000000000001 R12: ffff88810e73c2f8 [ 7.588588][ T258] R13: ffff88810e73b900 R14: ffff88810e6c9d28 R15: 0000000000050000 [ 7.588588][ T258] FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 [ 7.603346][ T1] usbcore: registered new interface driver peak_usb [ 7.588588][ T258] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.607954][ T1] e100: Intel(R) PRO/100 Network Driver [ 7.588588][ T258] CR2: ffff88823ffff000 CR3: 0000000007825000 CR4: 00000000003506f0 [ 7.612027][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 7.588588][ T258] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7.616737][ T1] e1000: Intel(R) PRO/1000 Network Driver [ 7.588588][ T258] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7.618966][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 7.588588][ T258] Call Trace: [ 7.588588][ T258] [ 7.588588][ T258] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 7.623144][ T1] e1000e: Intel(R) PRO/1000 Network Driver [ 7.588588][ T258] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 7.626815][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 7.627755][ T1] sky2: driver version 1.30 [ 7.588588][ T258] lock_acquire+0x1ab/0x570 [ 7.634780][ T1] usbcore: registered new interface driver ath9k_htc [ 7.588588][ T258] ? get_arg_page+0x9f/0x2a0 [ 7.637895][ T1] usbcore: registered new interface driver carl9170 [ 7.588588][ T258] ? lock_release+0x780/0x780 [ 7.642087][ T1] usbcore: registered new interface driver ath6kl_usb [ 7.640034][ T258] ? acct_account_cputime+0x16/0x310 [ 7.646675][ T1] usbcore: registered new interface driver ar5523 [ 7.640034][ T258] down_read+0x98/0x450 [ 7.649644][ T1] usbcore: registered new interface driver ath10k_usb [ 7.640034][ T258] ? get_arg_page+0x9f/0x2a0 [ 7.640034][ T258] ? rwsem_down_read_slowpath+0xb10/0xb10 [ 7.640034][ T258] ? __schedule+0x947/0x26f0 [ 7.640034][ T258] get_arg_page+0x9f/0x2a0 [ 7.652311][ T1] Atmel at76x USB Wireless LAN Driver 0.17 loading [ 7.653382][ T1] usbcore: registered new interface driver at76c50x-usb [ 7.652883][ T258] ? count_strings_kernel.part.0+0x1b0/0x1b0 [ 7.656235][ T1] usbcore: registered new interface driver brcmfmac [ 7.652883][ T258] copy_string_kernel+0x169/0x460 [ 7.658390][ T1] orinoco 0.15 (David Gibson , Pavel Roskin , et al) [ 7.652883][ T258] ? count_strings_kernel.part.0+0x14b/0x1b0 [ 7.652883][ T258] kernel_execve+0x2d6/0x500 [ 7.652883][ T258] call_usermodehelper_exec_async+0x2e3/0x580 [ 7.662950][ T1] usbcore: registered new interface driver orinoco_usb [ 7.652883][ T258] ? umh_complete+0x90/0x90 [ 7.668051][ T1] usbcore: registered new interface driver p54usb [ 7.652883][ T258] ret_from_fork+0x1f/0x30 [ 7.672273][ T1] usbcore: registered new interface driver usb8xxx [ 7.671316][ T258] [ 7.678321][ T1] usbcore: registered new interface driver lbtf_usb [ 7.671316][ T258] Kernel panic - not syncing: panic_on_warn set ... [ 7.671316][ T258] CPU: 0 PID: 258 Comm: kworker/u4:0 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0 [ 7.671316][ T258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 7.671316][ T258] Call Trace: [ 7.671316][ T258] [ 7.671316][ T258] dump_stack_lvl+0xcd/0x134 [ 7.671316][ T258] panic+0x2c8/0x627 [ 7.671316][ T258] ? panic_print_sys_info.part.0+0x10b/0x10b [ 7.671316][ T258] ? __warn.cold+0x248/0x2c4 [ 7.671316][ T258] ? __lock_acquire+0x13ae/0x56d0 [ 7.671316][ T258] __warn.cold+0x259/0x2c4 [ 7.671316][ T258] ? __lock_acquire+0x13ae/0x56d0 [ 7.671316][ T258] report_bug+0x1bc/0x210 [ 7.671316][ T258] handle_bug+0x3c/0x60 [ 7.671316][ T258] exc_invalid_op+0x14/0x40 [ 7.671316][ T258] asm_exc_invalid_op+0x16/0x20 [ 7.671316][ T258] RIP: 0010:__lock_acquire+0x13ae/0x56d0 [ 7.671316][ T258] Code: 08 84 d2 0f 85 56 41 00 00 8b 15 05 da b4 07 85 d2 0f 85 d5 fd ff ff 48 c7 c6 00 af 47 86 48 c7 c7 e0 a8 47 86 e8 62 93 9b 04 <0f> 0b 31 ed e9 50 f0 ff ff 48 c7 c0 68 a6 de 88 48 ba 00 00 00 00 [ 7.671316][ T258] RSP: 0000:ffffc9000169fad8 EFLAGS: 00010086 [ 7.671316][ T258] RAX: 0000000000000000 RBX: ffff88810e73c2f8 RCX: 0000000000000000 [ 7.671316][ T258] RDX: ffff88810e73b900 RSI: ffffffff812c97e8 RDI: fffff520002d3f4d [ 7.671316][ T258] RBP: 000000000000161c R08: 0000000000000005 R09: 0000000000000000 [ 7.671316][ T258] R10: 0000000080000000 R11: 0000000000000001 R12: ffff88810e73c2f8 [ 7.671316][ T258] R13: ffff88810e73b900 R14: ffff88810e6c9d28 R15: 0000000000050000 [ 7.671316][ T258] ? vprintk+0x88/0x90 [ 7.671316][ T258] ? __lock_acquire+0x13ae/0x56d0 [ 7.671316][ T258] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 7.671316][ T258] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 7.671316][ T258] lock_acquire+0x1ab/0x570 [ 7.671316][ T258] ? get_arg_page+0x9f/0x2a0 [ 7.671316][ T258] ? lock_release+0x780/0x780 [ 7.671316][ T258] ? acct_account_cputime+0x16/0x310 [ 7.671316][ T258] down_read+0x98/0x450 [ 7.671316][ T258] ? get_arg_page+0x9f/0x2a0 [ 7.671316][ T258] ? rwsem_down_read_slowpath+0xb10/0xb10 [ 7.671316][ T258] ? __schedule+0x947/0x26f0 [ 7.671316][ T258] get_arg_page+0x9f/0x2a0 [ 7.671316][ T258] ? count_strings_kernel.part.0+0x1b0/0x1b0 [ 7.671316][ T258] copy_string_kernel+0x169/0x460 [ 7.671316][ T258] ? count_strings_kernel.part.0+0x14b/0x1b0 [ 7.671316][ T258] kernel_execve+0x2d6/0x500 [ 7.671316][ T258] call_usermodehelper_exec_async+0x2e3/0x580 [ 7.671316][ T258] ? umh_complete+0x90/0x90 [ 7.671316][ T258] ret_from_fork+0x1f/0x30 [ 7.671316][ T258] [ 7.671316][ T258] Kernel Offset: disabled [ 7.671316][ T258] 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-build4274831047=/tmp/go-build -gno-record-gcc-switches" git status (err=) HEAD detached at ede31a9b5 nothing to commit, working tree clean export BUILDOS=linux export NATIVEBUILDOS=linux export HOSTOS=linux export HOSTARCH=amd64 export TARGETOS=linux export TARGETARCH=amd64 export TARGETVMARCH=amd64 export CC=gcc export ADDCFLAGS=-O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=8192 -m64 -static export NCORES=32 export EXE= export NATIVEBUILDOS=linux 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' export BUILDOS=linux export NATIVEBUILDOS=linux export HOSTOS=linux export HOSTARCH=amd64 export TARGETOS=linux export TARGETARCH=amd64 export TARGETVMARCH=amd64 export CC=gcc export ADDCFLAGS=-O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=8192 -m64 -static export NCORES=32 export EXE= export NATIVEBUILDOS=linux make[1]: warning: -j32 forced in makefile: resetting jobserver mode. GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/sys.GitRevision=ede31a9b5144a9da36a8c5382d3b1ab892abcc83 -X 'github.com/google/syzkaller/sys.gitRevisionDate=Thu Aug 8 09:14:01 2019 -0700'" "-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/sys.GitRevision=ede31a9b5144a9da36a8c5382d3b1ab892abcc83 -X 'github.com/google/syzkaller/sys.gitRevisionDate=Thu Aug 8 09:14:01 2019 -0700'" "-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/sys.GitRevision=ede31a9b5144a9da36a8c5382d3b1ab892abcc83 -X 'github.com/google/syzkaller/sys.gitRevisionDate=Thu Aug 8 09:14:01 2019 -0700'" "-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=\"ede31a9b5144a9da36a8c5382d3b1ab892abcc83\" make[1]: Leaving directory '/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller'