WARNING in bprm_execve
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 0 PID: 256 at kernel/locking/mutex.c:582 __mutex_lock_common kernel/locking/mutex.c:582 [inline]
WARNING: CPU: 0 PID: 256 at kernel/locking/mutex.c:582 __mutex_lock+0xa01/0x1350 kernel/locking/mutex.c:747
Modules linked in:
CPU: 0 PID: 256 Comm: kworker/u4:2 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:582 [inline]
RIP: 0010:__mutex_lock+0xa01/0x1350 kernel/locking/mutex.c:747
Code: 08 84 d2 0f 85 7f 08 00 00 8b 05 c2 dd e9 02 85 c0 0f 85 12 f7 ff ff 48 c7 c6 a0 96 47 86 48 c7 c7 00 94 47 86 e8 1f 97 d0 ff <0f> 0b e9 f8 f6 ff ff 48 8b 7c 24 30 be 08 00 00 00 e8 29 24 85 fb
RSP: 0000:ffffc9000170fc88 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88810e6b0000 RSI: ffffffff812c97e8 RDI: fffff520002e1f83
RBP: ffff88810e65f0e0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88810e55e000 R15: ffff88810e6d8c00
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:
prepare_bprm_creds fs/exec.c:1477 [inline]
bprm_execve+0xb2/0x1960 fs/exec.c:1812
kernel_execve+0x3ea/0x500 fs/exec.c:2009
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@10.128.10.48" "pwd"]: exit status 255
ssh: connect to host 10.128.10.48 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: 8a9189a291d8d275c6cfa51218158bcf05a84fa129e164fe5e1fbcd32b1e5675, 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 07/22/2022
[ 0.000000][ T0] Hypervisor detected: KVM
[ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000009][ T0] kvm-clock: using sched offset of 5482907471 cycles
[ 0.001226][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.003976][ T0] tsc: Detected 2200.156 MHz processor
[ 0.009167][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000
[ 0.010108][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.011403][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000
[ 0.018359][ T0] found SMP MP-table at [mem 0x000f2750-0x000f275f]
[ 0.019676][ T0] Using GB pages for direct mapping
[ 0.022011][ T0] ACPI: Early table checksum verification disabled
[ 0.022956][ T0] ACPI: RSDP 0x00000000000F24D0 000014 (v00 Google)
[ 0.023965][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001)
[ 0.025344][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001)
[ 0.026615][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001)
[ 0.028211][ T0] ACPI: FACS 0x00000000BFFFD880 000040
[ 0.028988][ T0] ACPI: FACS 0x00000000BFFFD880 000040
[ 0.030184][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001)
[ 0.031595][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001)
[ 0.033094][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001)
[ 0.034362][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001)
[ 0.035690][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423]
[ 0.036880][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323]
[ 0.038156][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf]
[ 0.039303][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf]
[ 0.040444][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27]
[ 0.041548][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25]
[ 0.042591][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf]
[ 0.043744][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57]
[ 0.045363][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0
[ 0.046702][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0
[ 0.047620][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[ 0.048740][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff]
[ 0.049762][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff]
[ 0.050760][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff]
[ 0.052361][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff]
[ 0.053971][ T0] NODE_DATA(0) allocated [mem 0x23fffa000-0x23fffdfff]
[ 0.209070][ T0] Zone ranges:
[ 0.209768][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.211277][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.212578][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff]
[ 0.213549][ T0] Movable zone start for each node
[ 0.214391][ T0] Early memory node ranges
[ 0.215242][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.216381][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff]
[ 0.217442][ T0] node 0: [mem 0x0000000100000000-0x000000023fffffff]
[ 0.218471][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff]
[ 0.219666][ T0] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.219812][ T0] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.282888][ T0] On node 0, zone Normal: 3 pages in unavailable ranges
[ 0.998852][ T0] kasan: KernelAddressSanitizer initialized
[ 1.001619][ T0] ACPI: PM-Timer IO Port: 0xb008
[ 1.002453][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 1.003504][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 1.004720][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 1.005751][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 1.006985][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 1.008132][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 1.009412][ T0] ACPI: Using ACPI (MADT) for SMP configuration information
[ 1.010674][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[ 1.012031][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 1.013352][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[ 1.015998][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
[ 1.017520][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[ 1.018969][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff]
[ 1.020319][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff]
[ 1.021591][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff]
[ 1.022956][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices
[ 1.023908][ T0] Booting paravirtualized kernel on KVM
[ 1.024773][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 1.068767][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1
[ 1.071566][ T0] percpu: Embedded 67 pages/cpu s233568 r8192 d32672 u1048576
[ 1.073191][ T0] kvm-guest: PV spinlocks enabled
[ 1.073847][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 1.075434][ T0] Fallback order for Node 0: 0
[ 1.076230][ T0] Built 1 zonelists, mobility grouping on. Total pages: 2064125
[ 1.077739][ T0] Policy zone: Normal
[ 1.079162][ 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
[ 1.100069][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space.
[ 1.106777][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[ 1.110051][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)
[ 1.111582][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off
[ 1.116684][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[ 1.118255][ T0] software IO TLB: area num 2.
[ 2.060053][ T0] Memory: 6921704K/8388204K available (83983K kernel code, 22480K rwdata, 19020K rodata, 2220K init, 32260K bss, 1466244K reserved, 0K cma-reserved)
[ 2.063080][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 2.071816][ T0] Dynamic Preempt: voluntary
[ 2.073599][ T0] Running RCU self tests
[ 2.074512][ T0] rcu: Preemptible hierarchical RCU implementation.
[ 2.075471][ T0] rcu: RCU lockdep checking is enabled.
[ 2.076402][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[ 2.077775][ T0] rcu: RCU callback double-/use-after-free debug is enabled.
[ 2.078756][ T0] rcu: RCU debug extended QS entry/exit.
[ 2.079528][ T0] All grace periods are expedited (rcu_expedited).
[ 2.080859][ T0] Trampoline variant of Tasks RCU enabled.
[ 2.081811][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 2.083217][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 2.104299][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[ 2.105833][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 2.106998][ T0] random: crng init done
[ 2.108703][ T0] Console: colour VGA+ 80x25
[ 2.109446][ T0] printk: console [ttyS0] enabled
[ 2.109446][ T0] printk: console [ttyS0] enabled
[ 2.110794][ T0] printk: bootconsole [earlyser0] disabled
[ 2.110794][ T0] printk: bootconsole [earlyser0] disabled
[ 2.112374][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 2.113665][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 2.114531][ T0] ... MAX_LOCK_DEPTH: 48
[ 2.115282][ T0] ... MAX_LOCKDEP_KEYS: 8192
[ 2.116200][ T0] ... CLASSHASH_SIZE: 4096
[ 2.117095][ T0] ... MAX_LOCKDEP_ENTRIES: 131072
[ 2.118142][ T0] ... MAX_LOCKDEP_CHAINS: 262144
[ 2.119217][ T0] ... CHAINHASH_SIZE: 131072
[ 2.120142][ T0] memory used by lock dependency info: 20657 kB
[ 2.121427][ T0] memory used for stack traces: 8320 kB
[ 2.122257][ T0] per task-struct memory footprint: 1920 bytes
[ 2.123311][ T0] ACPI: Core revision 20220331
[ 2.124684][ T0] APIC: Switch to symmetric I/O mode setup
[ 2.130784][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[ 2.132139][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6c613963, max_idle_ns: 440795245426 ns
[ 2.134085][ T0] Calibrating delay loop (skipped) preset value.. 4400.31 BogoMIPS (lpj=22001560)
[ 2.144102][ T0] pid_max: default: 32768 minimum: 301
[ 2.145337][ T0] LSM: Security Framework initializing
[ 2.146665][ T0] landlock: Up and running.
[ 2.147524][ T0] Yama: becoming mindful.
[ 2.148239][ T0] TOMOYO Linux initialized
[ 2.149162][ T0] AppArmor: AppArmor initialized
[ 2.151315][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 2.152635][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 2.157546][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
[ 2.159462][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4
[ 2.160722][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 2.162105][ T0] Spectre V2 : Mitigation: IBRS
[ 2.164095][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[ 2.165602][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT
[ 2.166886][ T0] RETBleed: Mitigation: IBRS
[ 2.167730][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 2.169355][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[ 2.170733][ T0] MDS: Mitigation: Clear CPU buffers
[ 2.171866][ T0] TAA: Mitigation: Clear CPU buffers
[ 2.172660][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode
[ 2.176346][ T0] Freeing SMP alternatives memory: 60K
[ 2.297861][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0)
[ 2.301261][ T1] cblist_init_generic: Setting adjustable number of callback queues.
[ 2.302684][ T1] cblist_init_generic: Setting shift to 1 and lim to 1.
[ 2.304049][ T1] Running RCU-tasks wait API self tests
[ 2.404206][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only.
[ 2.406324][ T1] rcu: Hierarchical SRCU implementation.
[ 2.407159][ T1] rcu: Max phase no-delay instances is 1000.
[ 2.412199][ T1] NMI watchdog: Perf NMI watchdog permanently disabled
[ 2.413934][ T1] smp: Bringing up secondary CPUs ...
[ 2.415397][ T1] x86: Booting SMP configuration:
[ 2.416261][ T1] .... node #0, CPUs: #1
[ 2.418513][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details.
[ 2.418513][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details.
[ 2.424097][ T1] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details.
[ 2.427065][ T1] smp: Brought up 1 node, 2 CPUs
[ 2.427795][ T1] smpboot: Max logical packages: 1
[ 2.428571][ T1] smpboot: Total of 2 processors activated (8800.62 BogoMIPS)
[ 2.499582][ T1] allocated 134217728 bytes of page_ext
[ 2.500846][ T1] Node 0, zone DMA: page owner found early allocated 0 pages
[ 2.505532][ T1] Node 0, zone DMA32: page owner found early allocated 15 pages
[ 2.514367][ T11] Callback from call_rcu_tasks() invoked.
[ 2.532032][ T1] Node 0, zone Normal: page owner found early allocated 33979 pages
[ 2.535610][ T1] devtmpfs: initialized
[ 2.564421][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 2.566340][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear)
[ 2.570399][ T1] PM: RTC time: 20:47:03, date: 2022-09-02
[ 2.572602][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 2.578408][ T1] audit: initializing netlink subsys (disabled)
[ 2.579482][ T1] thermal_sys: Registered thermal governor 'step_wise'
[ 2.579482][ T1] thermal_sys: Registered thermal governor 'user_space'
[ 2.579482][ T1] cpuidle: using governor menu
[ 2.588979][ T24] audit: type=2000 audit(1662151623.128:1): state=initialized audit_enabled=0 res=1
[ 2.589936][ T1] PCI: Using configuration type 1 for base access
[ 2.737048][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages
[ 2.737458][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page
[ 2.753673][ T1] ACPI: Added _OSI(Module Device)
[ 2.754461][ T1] ACPI: Added _OSI(Processor Device)
[ 2.755437][ T1] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 2.756272][ T1] ACPI: Added _OSI(Processor Aggregator Device)
[ 2.757223][ T1] ACPI: Added _OSI(Linux-Dell-Video)
[ 2.758108][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 2.759164][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[ 2.858986][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 2.891161][ T1] ACPI: Interpreter enabled
[ 2.892458][ T1] ACPI: PM: (supports S0 S3 S4 S5)
[ 2.893322][ T1] ACPI: Using IOAPIC for interrupt routing
[ 2.894387][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 2.896154][ T1] PCI: Using E820 reservations for host bridge windows
[ 2.901197][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 3.036280][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 3.037632][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3]
[ 3.039230][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI]
[ 3.041939][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[ 3.058493][ T1] PCI host bridge to bus 0000:00
[ 3.059328][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 3.060522][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 3.061851][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 3.063329][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window]
[ 3.064102][ T1] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 3.065993][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[ 3.074517][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100
[ 3.098354][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[ 3.124311][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 3.129122][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000
[ 3.141132][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f]
[ 3.149804][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f]
[ 3.170904][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000
[ 3.181237][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f]
[ 3.188076][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f]
[ 3.211443][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000
[ 3.229111][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff]
[ 3.264920][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 3.270733][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00
[ 3.280576][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f]
[ 3.288126][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f]
[ 3.309176][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00
[ 3.318014][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf]
[ 3.325245][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f]
[ 3.370325][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 3.377311][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 3.383709][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
[ 3.389337][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11
[ 3.394706][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9
[ 3.410155][ T1] iommu: Default domain type: Translated
[ 3.411155][ T1] iommu: DMA domain TLB invalidation policy: lazy mode
[ 3.415486][ T1] SCSI subsystem initialized
[ 3.418655][ T1] ACPI: bus type USB registered
[ 3.420490][ T1] usbcore: registered new interface driver usbfs
[ 3.421816][ T1] usbcore: registered new interface driver hub
[ 3.422941][ T1] usbcore: registered new device driver usb
[ 3.425861][ T1] mc: Linux media interface: v0.10
[ 3.427453][ T1] videodev: Linux video capture interface: v2.00
[ 3.429637][ T1] pps_core: LinuxPPS API ver. 1 registered
[ 3.430787][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
[ 3.432447][ T1] PTP clock support registered
[ 3.434282][ T1] EDAC MC: Ver: 3.0.0
[ 3.438713][ T1] Advanced Linux Sound Architecture Driver Initialized.
[ 3.444722][ T1] Bluetooth: Core ver 2.22
[ 3.445623][ T1] NET: Registered PF_BLUETOOTH protocol family
[ 3.446626][ T1] Bluetooth: HCI device and connection manager initialized
[ 3.449022][ T1] Bluetooth: HCI socket layer initialized
[ 3.450433][ T1] Bluetooth: L2CAP socket layer initialized
[ 3.451605][ T1] NET: Registered PF_ATMPVC protocol family
[ 3.452760][ T1] NET: Registered PF_ATMSVC protocol family
[ 3.454404][ T1] NetLabel: Initializing
[ 3.455201][ T1] NetLabel: domain hash size = 128
[ 3.455987][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 3.457641][ T1] NetLabel: unlabeled traffic allowed by default
[ 3.460867][ T1] nfc: nfc_init: NFC Core ver 0.1
[ 3.462219][ T1] NET: Registered PF_NFC protocol family
[ 3.463167][ T1] PCI: Using ACPI for IRQ routing
[ 3.465104][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device
[ 3.466308][ T1] pci 0000:00:05.0: vgaarb: bridge control possible
[ 3.467404][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 3.468876][ T1] vgaarb: loaded
[ 5.668898][ T1] clocksource: Switched to clocksource kvm-clock
[ 5.687222][ T1] VFS: Disk quotas dquot_6.6.0
[ 5.688248][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 5.691583][ T1] TOMOYO: 2.6.0
[ 5.692295][ T1] Mandatory Access Control activated.
[ 5.697270][ T1] AppArmor: AppArmor Filesystem Enabled
[ 5.699274][ T1] pnp: PnP ACPI init
[ 5.719351][ T1] pnp: PnP ACPI: found 7 devices
[ 5.761051][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[ 5.763674][ T1] NET: Registered PF_INET protocol family
[ 5.767158][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[ 5.780778][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, linear)
[ 5.783085][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 5.785633][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear)
[ 5.796110][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc hugepage)
[ 5.803282][ T1] TCP: Hash tables configured (established 65536 bind 65536)
[ 5.806860][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear)
[ 5.810740][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear)
[ 5.813747][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family
[ 5.817576][ T1] RPC: Registered named UNIX socket transport module.
[ 5.818976][ T1] RPC: Registered udp transport module.
[ 5.819920][ T1] RPC: Registered tcp transport module.
[ 5.820886][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 5.824918][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
[ 5.826580][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window]
[ 5.827721][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[ 5.829279][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window]
[ 5.831705][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 5.833422][ T1] PCI: CLS 0 bytes, default 64
[ 5.841605][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[ 5.842841][ T1] software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB)
[ 5.864293][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer
[ 5.865863][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6c613963, max_idle_ns: 440795245426 ns
[ 5.868338][ T1] clocksource: Switched to clocksource tsc
[ 5.876747][ T42] kworker/u4:2 (42) used greatest stack depth: 27960 bytes left
[ 5.891335][ T54] kworker/u4:2 (54) used greatest stack depth: 27584 bytes left
[ 6.114960][ T1] Initialise system trusted keyrings
[ 6.117110][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0
[ 6.165229][ T1] NFS: Registering the id_resolver key type
[ 6.166258][ T1] Key type id_resolver registered
[ 6.167185][ T1] Key type id_legacy registered
[ 6.168611][ T1] 9p: Installing v9fs 9p2000 file system support
[ 6.180674][ T1] Key type asymmetric registered
[ 6.181699][ T1] Asymmetric key parser 'x509' registered
[ 6.182815][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246)
[ 6.184774][ T1] io scheduler mq-deadline registered
[ 6.185672][ T1] io scheduler kyber registered
[ 6.203015][ T1] usbcore: registered new interface driver udlfb
[ 6.204887][ T1] usbcore: registered new interface driver smscufx
[ 6.208084][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 6.211041][ T1] ACPI: button: Power Button [PWRF]
[ 6.212885][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
[ 6.215019][ T1] ACPI: button: Sleep Button [SLPF]
[ 6.238919][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11
[ 6.240016][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
[ 6.257709][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10
[ 6.258895][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
[ 6.276007][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10
[ 6.276948][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver
[ 6.290164][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver
[ 6.298750][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 6.300735][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 6.305492][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[ 6.308996][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
[ 6.312405][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
[ 6.323354][ T144] kworker/u4:0 (144) used greatest stack depth: 27104 bytes left
[ 6.324591][ T1] Non-volatile memory driver v1.3
[ 6.339968][ T1] Linux agpgart interface v0.103
[ 6.343291][ T1] ACPI: bus type drm_connector registered
[ 6.350017][ T1] usbcore: registered new interface driver udl
[ 6.379416][ T1] loop: module loaded
[ 6.380622][ T1] usbcore: registered new interface driver rtsx_usb
[ 6.382151][ T1] usbcore: registered new interface driver viperboard
[ 6.383677][ T1] usbcore: registered new interface driver dln2
[ 6.385415][ T1] usbcore: registered new interface driver pn533_usb
[ 6.386971][ T1] usbcore: registered new interface driver port100
[ 6.388129][ T1] usbcore: registered new interface driver nfcmrvl
[ 6.409537][ T1] scsi host0: Virtio SCSI HBA
[ 6.455034][ T1] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6
[ 6.590433][ T26] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB)
[ 6.591861][ T26] sd 0:0:1:0: [sda] 4096-byte physical blocks
[ 6.592948][ T26] sd 0:0:1:0: [sda] Write Protect is off
[ 6.594006][ T26] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 6.603253][ T26] sda: sda1
[ 6.606100][ T26] sd 0:0:1:0: [sda] Attached SCSI disk
[ 6.609267][ T1] sd 0:0:1:0: Attached scsi generic sg0 type 0
[ 6.617690][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288
[ 6.619359][ T1] db_root: cannot open: /etc/target
[ 6.690669][ C1] ------------[ cut here ]------------
[ 6.690882][ T256] ------------[ cut here ]------------
[ 6.691666][ C1] refcount_t: underflow; use-after-free.
[ 6.692620][ T256] DEBUG_LOCKS_WARN_ON(lock->magic != lock)
[ 6.692715][ T256] WARNING: CPU: 0 PID: 256 at kernel/locking/mutex.c:582 __mutex_lock+0xa01/0x1350
[ 6.694113][ C1] WARNING: CPU: 1 PID: 1 at lib/refcount.c:28 refcount_warn_saturate+0x1d1/0x1e0
[ 6.694993][ T256] Modules linked in:
[ 6.696306][ C1] Modules linked in:
[ 6.697721][ T256]
[ 6.698382][ C1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0
[ 6.698974][ T256] CPU: 0 PID: 256 Comm: kworker/u4:2 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0
[ 6.699341][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 6.700780][ T256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 6.702438][ C1] RIP: 0010:refcount_warn_saturate+0x1d1/0x1e0
[ 6.703898][ T256] RIP: 0010:__mutex_lock+0xa01/0x1350
[ 6.705319][ 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
[ 6.706202][ T256] Code: 08 84 d2 0f 85 7f 08 00 00 8b 05 c2 dd e9 02 85 c0 0f 85 12 f7 ff ff 48 c7 c6 a0 96 47 86 48 c7 c7 00 94 47 86 e8 1f 97 d0 ff <0f> 0b e9 f8 f6 ff ff 48 8b 7c 24 30 be 08 00 00 00 e8 29 24 85 fb
[ 6.707153][ C1] RSP: 0000:ffffc90000178e00 EFLAGS: 00010282
[ 6.709975][ T256] RSP: 0000:ffffc9000170fc88 EFLAGS: 00010282
[ 6.712886][ C1]
[ 6.712897][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 6.713743][ T256]
[ 6.713750][ T256] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 6.714942][ C1] RDX: ffff8881002a8000 RSI: ffffffff812c97e8 RDI: fffff5200002f1b2
[ 6.715320][ T256] RDX: ffff88810e6b0000 RSI: ffffffff812c97e8 RDI: fffff520002e1f83
[ 6.716656][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
[ 6.716994][ T256] RBP: ffff88810e65f0e0 R08: 0000000000000005 R09: 0000000000000000
[ 6.718167][ C1] R10: 0000000000000100 R11: 0000000063666572 R12: ffff88810e65c380
[ 6.719373][ T256] R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000
[ 6.720619][ C1] R13: 0000000000000000 R14: 0000000000000003 R15: ffff88810e67cd28
[ 6.721776][ T256] R13: dffffc0000000000 R14: ffff88810e55e000 R15: ffff88810e6d8c00
[ 6.723088][ C1] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000
[ 6.724288][ T256] FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000
[ 6.725379][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6.726505][ T256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6.727770][ C1] CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0
[ 6.729269][ T256] CR2: ffff88823ffff000 CR3: 0000000007825000 CR4: 00000000003506f0
[ 6.731329][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6.732522][ T256] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6.733632][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6.735128][ T256] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6.736378][ C1] Call Trace:
[ 6.737645][ T256] Call Trace:
[ 6.737656][ T256]
[ 6.738787][ C1]
[ 6.739968][ T256] ? bprm_execve+0xb2/0x1960
[ 6.741155][ C1] __put_task_struct+0x30e/0x3c0
[ 6.741649][ T256] ? __up_read+0x192/0x720
[ 6.742265][ C1] delayed_put_task_struct+0x1f1/0x330
[ 6.742818][ T256] ? mutex_lock_io_nested+0x1190/0x1190
[ 6.743426][ C1] rcu_core+0x7b1/0x1780
[ 6.744191][ T256] ? up_write+0x470/0x470
[ 6.745131][ C1] ? rcu_report_dead+0x680/0x680
[ 6.751528][ T256] ? get_user_pages_remote+0x84/0xc0
[ 6.752682][ C1] __do_softirq+0x1c0/0x9a9
[ 6.754098][ T256] ? acct_arg_size+0x1a/0xe0
[ 6.754752][ C1] __irq_exit_rcu+0x113/0x170
[ 6.755392][ T256] ? get_arg_page+0x155/0x2a0
[ 6.756057][ C1] irq_exit_rcu+0x5/0x20
[ 6.756881][ T256] bprm_execve+0xb2/0x1960
[ 6.757782][ C1] sysvec_apic_timer_interrupt+0x8e/0xc0
[ 6.758623][ T256] ? open_exec+0x70/0x70
[ 6.759828][ C1]
[ 6.760478][ T256] ? copy_strings_kernel+0x151/0x190
[ 6.761060][ C1]
[ 6.761720][ T256] kernel_execve+0x3ea/0x500
[ 6.762579][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 6.763183][ T256] call_usermodehelper_exec_async+0x2e3/0x580
[ 6.763660][ C1] RIP: 0010:iowrite16+0x5c/0xb0
[ 6.764784][ T256] ? umh_complete+0x90/0x90
[ 6.765308][ C1] Code: de 2e ff e8 26 de 2e ff 4c 89 e6 bf 00 00 01 00 e8 f9 da 2e ff 49 81 fc 00 00 01 00 76 14 e8 0b de 2e ff 89 d8 44 89 e2 66 ef <5b> 41 5c e9 fc dd 2e ff e8 f7 dd 2e ff 8b 1d 21 e4 c3 05 31 ff 89
[ 6.766003][ T256] ret_from_fork+0x1f/0x30
[ 6.767177][ C1] RSP: 0000:ffffc9000001f800 EFLAGS: 00000293
[ 6.768064][ T256]
[ 6.768878][ C1]
[ 6.769628][ T256] Kernel panic - not syncing: panic_on_warn set ...
[ 6.769645][ T256] CPU: 0 PID: 256 Comm: kworker/u4:2 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0
[ 6.769670][ T256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 6.769682][ T256] Call Trace:
[ 6.769688][ T256]
[ 6.769695][ T256] dump_stack_lvl+0xcd/0x134
[ 6.769735][ T256] panic+0x2c8/0x627
[ 6.769768][ T256] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 6.769797][ T256] ? __warn.cold+0x248/0x2c4
[ 6.769821][ T256] ? __mutex_lock+0xa01/0x1350
[ 6.769847][ T256] __warn.cold+0x259/0x2c4
[ 6.769872][ T256] ? __mutex_lock+0xa01/0x1350
[ 6.769897][ T256] report_bug+0x1bc/0x210
[ 6.769934][ T256] handle_bug+0x3c/0x60
[ 6.769955][ T256] exc_invalid_op+0x14/0x40
[ 6.769976][ T256] asm_exc_invalid_op+0x16/0x20
[ 6.770001][ T256] RIP: 0010:__mutex_lock+0xa01/0x1350
[ 6.770029][ T256] Code: 08 84 d2 0f 85 7f 08 00 00 8b 05 c2 dd e9 02 85 c0 0f 85 12 f7 ff ff 48 c7 c6 a0 96 47 86 48 c7 c7 00 94 47 86 e8 1f 97 d0 ff <0f> 0b e9 f8 f6 ff ff 48 8b 7c 24 30 be 08 00 00 00 e8 29 24 85 fb
[ 6.770050][ T256] RSP: 0000:ffffc9000170fc88 EFLAGS: 00010282
[ 6.770069][ T256] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 6.770083][ T256] RDX: ffff88810e6b0000 RSI: ffffffff812c97e8 RDI: fffff520002e1f83
[ 6.770098][ T256] RBP: ffff88810e65f0e0 R08: 0000000000000005 R09: 0000000000000000
[ 6.770113][ T256] R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000
[ 6.770127][ T256] R13: dffffc0000000000 R14: ffff88810e55e000 R15: ffff88810e6d8c00
[ 6.770145][ T256] ? vprintk+0x88/0x90
[ 6.770170][ T256] ? __mutex_lock+0xa01/0x1350
[ 6.770196][ T256] ? bprm_execve+0xb2/0x1960
[ 6.770216][ T256] ? __up_read+0x192/0x720
[ 6.770237][ T256] ? mutex_lock_io_nested+0x1190/0x1190
[ 6.770264][ T256] ? up_write+0x470/0x470
[ 6.770284][ T256] ? get_user_pages_remote+0x84/0xc0
[ 6.770312][ T256] ? acct_arg_size+0x1a/0xe0
[ 6.770338][ T256] ? get_arg_page+0x155/0x2a0
[ 6.770363][ T256] bprm_execve+0xb2/0x1960
[ 6.770384][ T256] ? open_exec+0x70/0x70
[ 6.770409][ T256] ? copy_strings_kernel+0x151/0x190
[ 6.770437][ T256] kernel_execve+0x3ea/0x500
[ 6.770457][ T256] call_usermodehelper_exec_async+0x2e3/0x580
[ 6.770482][ T256] ? umh_complete+0x90/0x90
[ 6.770503][ T256] ret_from_fork+0x1f/0x30
[ 6.770527][ T256]
[ 6.772764][ T256] Kernel Offset: disabled
[ 6.774771][ T256] 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-build3137826368=/tmp/go-build -gno-record-gcc-switches"
git status (err=)
HEAD detached at e1c29030d
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=e1c29030da37d46475ab5babe68abc4afe085799 -X 'github.com/google/syzkaller/prog.gitRevisionDate=Tue Aug 18 15:06:05 2020 +0200'" "-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=e1c29030da37d46475ab5babe68abc4afe085799 -X 'github.com/google/syzkaller/prog.gitRevisionDate=Tue Aug 18 15:06:05 2020 +0200'" "-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=e1c29030da37d46475ab5babe68abc4afe085799 -X 'github.com/google/syzkaller/prog.gitRevisionDate=Tue Aug 18 15:06:05 2020 +0200'" "-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 -static -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"e1c29030da37d46475ab5babe68abc4afe085799\"