KASAN: out-of-bounds Read in rcu_cblist_dequeue
==================================================================
BUG: KASAN: out-of-bounds in rcu_cblist_dequeue+0xa4/0xe0 kernel/rcu/rcu_segcblist.c:75
Read of size 8 at addr ffffc900018a8000 by task ksoftirqd/0/13
CPU: 0 PID: 13 Comm: ksoftirqd/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
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:317 [inline]
print_report.cold+0x59/0x719 mm/kasan/report.c:433
kasan_report+0xb1/0x1e0 mm/kasan/report.c:495
rcu_cblist_dequeue+0xa4/0xe0 kernel/rcu/rcu_segcblist.c:75
rcu_do_batch kernel/rcu/tree.c:2232 [inline]
rcu_core+0x6dc/0x1780 kernel/rcu/tree.c:2505
__do_softirq+0x1c0/0x9a9 kernel/softirq.c:571
run_ksoftirqd kernel/softirq.c:934 [inline]
run_ksoftirqd+0x2d/0x60 kernel/softirq.c:926
smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164
kthread+0x2ea/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
The buggy address belongs to the virtual mapping at
[ffffc900018a8000, ffffc900018b1000) created by:
kernel_clone+0xe7/0xab0 kernel/fork.c:2673
The buggy address belongs to the physical page:
page:ffffea000439f340 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10e7cd
flags: 0x200000000000000(node=0|zone=2)
raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 8, tgid 8 (kworker/u4:0), ts 5109303497, free_ts 0
prep_new_page mm/page_alloc.c:2532 [inline]
get_page_from_freelist+0x11cc/0x2a20 mm/page_alloc.c:4283
__alloc_pages+0x1c7/0x510 mm/page_alloc.c:5515
__alloc_pages_bulk+0x9a1/0x1400 mm/page_alloc.c:5463
alloc_pages_bulk_array_mempolicy+0x1b3/0x360 mm/mempolicy.c:2365
vm_area_alloc_pages mm/vmalloc.c:2930 [inline]
__vmalloc_area_node mm/vmalloc.c:3026 [inline]
__vmalloc_node_range+0x576/0x13a0 mm/vmalloc.c:3196
alloc_thread_stack_node kernel/fork.c:312 [inline]
dup_task_struct kernel/fork.c:977 [inline]
copy_process+0x13c0/0x6de0 kernel/fork.c:2087
kernel_clone+0xe7/0xab0 kernel/fork.c:2673
user_mode_thread+0xad/0xe0 kernel/fork.c:2742
call_usermodehelper_exec_work kernel/umh.c:174 [inline]
call_usermodehelper_exec_work+0xcc/0x180 kernel/umh.c:160
process_one_work+0x991/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2ea/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
page_owner free stack trace missing
Memory state around the buggy address:
ffffc900018a7f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc900018a7f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc900018a8000: 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
ffffc900018a8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffffc900018a8100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
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@10.128.10.39" "pwd"]: exit status 255
ssh: connect to host 10.128.10.39 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-0 port 1 (session ID: 81558b3786f4a4ac38e2c027d9486614797485e8b97923dfd45955d343ce67cf, 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 63d5cf19-b3b9-41af-dcca-34a1e7350b57
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 3293465644 cycles
[ 0.000791][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.003159][ T0] tsc: Detected 2200.132 MHz processor
[ 0.008162][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000
[ 0.009405][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.010767][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000
[ 0.017458][ T0] found SMP MP-table at [mem 0x000f2750-0x000f275f]
[ 0.018493][ T0] Using GB pages for direct mapping
[ 0.020871][ T0] ACPI: Early table checksum verification disabled
[ 0.022620][ T0] ACPI: RSDP 0x00000000000F24D0 000014 (v00 Google)
[ 0.023907][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001)
[ 0.025504][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001)
[ 0.027229][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001)
[ 0.028741][ T0] ACPI: FACS 0x00000000BFFFD880 000040
[ 0.029524][ T0] ACPI: FACS 0x00000000BFFFD880 000040
[ 0.030315][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001)
[ 0.033852][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001)
[ 0.035322][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001)
[ 0.036927][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001)
[ 0.038176][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423]
[ 0.039330][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323]
[ 0.040944][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf]
[ 0.042062][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf]
[ 0.043309][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27]
[ 0.044530][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25]
[ 0.045862][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf]
[ 0.047261][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57]
[ 0.049175][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0
[ 0.049906][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0
[ 0.050946][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[ 0.051894][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff]
[ 0.052867][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff]
[ 0.054205][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff]
[ 0.056408][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff]
[ 0.058296][ T0] NODE_DATA(0) allocated [mem 0x23fffa000-0x23fffdfff]
[ 0.097730][ T0] Zone ranges:
[ 0.098309][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.099794][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.101158][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff]
[ 0.102708][ T0] Movable zone start for each node
[ 0.103387][ T0] Early memory node ranges
[ 0.103974][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.104985][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff]
[ 0.106340][ T0] node 0: [mem 0x0000000100000000-0x000000023fffffff]
[ 0.107281][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff]
[ 0.108709][ T0] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.108845][ T0] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.170923][ T0] On node 0, zone Normal: 3 pages in unavailable ranges
[ 0.489111][ T0] kasan: KernelAddressSanitizer initialized
[ 0.491867][ T0] ACPI: PM-Timer IO Port: 0xb008
[ 0.492575][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.493552][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.495151][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.496626][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.497815][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.499083][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.500179][ T0] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.501235][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.502411][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.503673][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[ 0.505010][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
[ 0.506195][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[ 0.507393][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff]
[ 0.508605][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff]
[ 0.509909][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff]
[ 0.511399][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices
[ 0.512313][ T0] Booting paravirtualized kernel on KVM
[ 0.513115][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.553667][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1
[ 0.555812][ T0] percpu: Embedded 67 pages/cpu s233568 r8192 d32672 u1048576
[ 0.557205][ T0] kvm-guest: PV spinlocks enabled
[ 0.558057][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.559317][ T0] Fallback order for Node 0: 0
[ 0.560216][ T0] Built 1 zonelists, mobility grouping on. Total pages: 2064125
[ 0.561413][ T0] Policy zone: Normal
[ 0.562055][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=8 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0
[ 0.578438][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space.
[ 0.583250][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[ 0.585793][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)
[ 0.587238][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off
[ 0.590937][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[ 0.592244][ T0] software IO TLB: area num 2.
[ 1.488404][ T0] Memory: 6921704K/8388204K available (83983K kernel code, 22480K rwdata, 19020K rodata, 2220K init, 32260K bss, 1466244K reserved, 0K cma-reserved)
[ 1.491657][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 1.499663][ T0] Dynamic Preempt: voluntary
[ 1.501789][ T0] Running RCU self tests
[ 1.502864][ T0] rcu: Preemptible hierarchical RCU implementation.
[ 1.503794][ T0] rcu: RCU lockdep checking is enabled.
[ 1.504575][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[ 1.505694][ T0] rcu: RCU callback double-/use-after-free debug is enabled.
[ 1.507211][ T0] rcu: RCU debug extended QS entry/exit.
[ 1.508061][ T0] All grace periods are expedited (rcu_expedited).
[ 1.509055][ T0] Trampoline variant of Tasks RCU enabled.
[ 1.510303][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 1.511725][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 1.532416][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[ 1.534377][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 1.535634][ T0] random: crng init done
[ 1.537359][ T0] Console: colour VGA+ 80x25
[ 1.538139][ T0] printk: console [ttyS0] enabled
[ 1.538139][ T0] printk: console [ttyS0] enabled
[ 1.540057][ T0] printk: bootconsole [earlyser0] disabled
[ 1.540057][ T0] printk: bootconsole [earlyser0] disabled
[ 1.541840][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 1.543195][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 1.544271][ T0] ... MAX_LOCK_DEPTH: 48
[ 1.545040][ T0] ... MAX_LOCKDEP_KEYS: 8192
[ 1.545777][ T0] ... CLASSHASH_SIZE: 4096
[ 1.546854][ T0] ... MAX_LOCKDEP_ENTRIES: 131072
[ 1.547770][ T0] ... MAX_LOCKDEP_CHAINS: 262144
[ 1.548669][ T0] ... CHAINHASH_SIZE: 131072
[ 1.549846][ T0] memory used by lock dependency info: 20657 kB
[ 1.550863][ T0] memory used for stack traces: 8320 kB
[ 1.551709][ T0] per task-struct memory footprint: 1920 bytes
[ 1.552922][ T0] ACPI: Core revision 20220331
[ 1.554176][ T0] APIC: Switch to symmetric I/O mode setup
[ 1.560189][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[ 1.561616][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6af7c712, max_idle_ns: 440795260639 ns
[ 1.563927][ T0] Calibrating delay loop (skipped) preset value.. 4400.26 BogoMIPS (lpj=22001320)
[ 1.573933][ T0] pid_max: default: 32768 minimum: 301
[ 1.574968][ T0] LSM: Security Framework initializing
[ 1.575913][ T0] landlock: Up and running.
[ 1.576544][ T0] Yama: becoming mindful.
[ 1.577440][ T0] TOMOYO Linux initialized
[ 1.578486][ T0] AppArmor: AppArmor initialized
[ 1.580274][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 1.582185][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 1.586739][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
[ 1.587737][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4
[ 1.588815][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 1.590316][ T0] Spectre V2 : Mitigation: IBRS
[ 1.591260][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[ 1.592483][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT
[ 1.593929][ T0] RETBleed: Mitigation: IBRS
[ 1.594663][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 1.596128][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[ 1.597769][ T0] MDS: Mitigation: Clear CPU buffers
[ 1.598692][ T0] TAA: Mitigation: Clear CPU buffers
[ 1.599493][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode
[ 1.602628][ T0] Freeing SMP alternatives memory: 60K
[ 1.724983][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0)
[ 1.728387][ T1] cblist_init_generic: Setting adjustable number of callback queues.
[ 1.729899][ T1] cblist_init_generic: Setting shift to 1 and lim to 1.
[ 1.731128][ T1] Running RCU-tasks wait API self tests
[ 1.834039][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only.
[ 1.836166][ T1] rcu: Hierarchical SRCU implementation.
[ 1.836959][ T1] rcu: Max phase no-delay instances is 1000.
[ 1.840807][ T1] NMI watchdog: Perf NMI watchdog permanently disabled
[ 1.842773][ T1] smp: Bringing up secondary CPUs ...
[ 1.845145][ T1] x86: Booting SMP configuration:
[ 1.845954][ T1] .... node #0, CPUs: #1
[ 1.847876][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details.
[ 1.847876][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details.
[ 1.849263][ T1] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details.
[ 1.854116][ T1] smp: Brought up 1 node, 2 CPUs
[ 1.855092][ T1] smpboot: Max logical packages: 1
[ 1.856001][ T1] smpboot: Total of 2 processors activated (8800.52 BogoMIPS)
[ 1.900718][ T1] allocated 134217728 bytes of page_ext
[ 1.901979][ T1] Node 0, zone DMA: page owner found early allocated 0 pages
[ 1.906465][ T1] Node 0, zone DMA32: page owner found early allocated 15 pages
[ 1.932388][ T1] Node 0, zone Normal: page owner found early allocated 33979 pages
[ 1.934993][ T1] devtmpfs: initialized
[ 1.944178][ T11] Callback from call_rcu_tasks() invoked.
[ 1.953987][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 1.953987][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear)
[ 1.957900][ T1] PM: RTC time: 16:28:02, date: 2022-09-03
[ 1.960953][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 1.967962][ T1] audit: initializing netlink subsys (disabled)
[ 1.973971][ T25] audit: type=2000 audit(1662222482.440:1): state=initialized audit_enabled=0 res=1
[ 1.973915][ T1] thermal_sys: Registered thermal governor 'step_wise'
[ 1.973915][ T1] thermal_sys: Registered thermal governor 'user_space'
[ 1.974100][ T1] cpuidle: using governor menu
[ 1.981519][ T1] PCI: Using configuration type 1 for base access
[ 2.125940][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages
[ 2.126108][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page
[ 2.138905][ T1] ACPI: Added _OSI(Module Device)
[ 2.140683][ T1] ACPI: Added _OSI(Processor Device)
[ 2.141733][ T1] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 2.144364][ T1] ACPI: Added _OSI(Processor Aggregator Device)
[ 2.146583][ T1] ACPI: Added _OSI(Linux-Dell-Video)
[ 2.148468][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 2.150192][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[ 2.250520][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 3.720402][ T1] ACPI: Interpreter enabled
[ 3.724202][ T1] ACPI: PM: (supports S0 S3 S4 S5)
[ 3.725514][ T1] ACPI: Using IOAPIC for interrupt routing
[ 3.727054][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 3.729619][ T1] PCI: Using E820 reservations for host bridge windows
[ 3.733026][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 3.804265][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 3.806401][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3]
[ 3.808516][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI]
[ 3.811663][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[ 3.821213][ T1] PCI host bridge to bus 0000:00
[ 3.822370][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 3.823944][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 3.825715][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 3.827658][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window]
[ 3.829143][ T1] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 3.830838][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[ 3.836449][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100
[ 3.859395][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[ 3.884096][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 3.887908][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000
[ 3.896411][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f]
[ 3.903922][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f]
[ 3.920991][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000
[ 3.930117][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f]
[ 3.936491][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f]
[ 3.956018][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000
[ 3.966451][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff]
[ 3.995475][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 3.998775][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00
[ 4.007028][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f]
[ 4.013935][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f]
[ 4.032322][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00
[ 4.042712][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf]
[ 4.050067][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f]
[ 4.088555][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 4.093542][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 4.097915][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
[ 4.105150][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11
[ 4.110212][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9
[ 4.118970][ T1] iommu: Default domain type: Translated
[ 4.118970][ T1] iommu: DMA domain TLB invalidation policy: lazy mode
[ 4.124751][ T1] SCSI subsystem initialized
[ 4.126258][ T1] ACPI: bus type USB registered
[ 4.126496][ T1] usbcore: registered new interface driver usbfs
[ 4.133923][ T1] usbcore: registered new interface driver hub
[ 4.133923][ T1] usbcore: registered new device driver usb
[ 4.134554][ T1] mc: Linux media interface: v0.10
[ 4.136268][ T1] videodev: Linux video capture interface: v2.00
[ 4.137951][ T1] pps_core: LinuxPPS API ver. 1 registered
[ 4.139383][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
[ 4.141086][ T1] PTP clock support registered
[ 4.144027][ T1] EDAC MC: Ver: 3.0.0
[ 4.145041][ T1] Advanced Linux Sound Architecture Driver Initialized.
[ 4.149032][ T1] Bluetooth: Core ver 2.22
[ 4.150526][ T1] NET: Registered PF_BLUETOOTH protocol family
[ 4.152055][ T1] Bluetooth: HCI device and connection manager initialized
[ 4.153986][ T1] Bluetooth: HCI socket layer initialized
[ 4.155526][ T1] Bluetooth: L2CAP socket layer initialized
[ 4.157318][ T1] NET: Registered PF_ATMPVC protocol family
[ 4.158254][ T1] NET: Registered PF_ATMSVC protocol family
[ 4.159630][ T1] NetLabel: Initializing
[ 4.160904][ T1] NetLabel: domain hash size = 128
[ 4.162227][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 4.164678][ T1] NetLabel: unlabeled traffic allowed by default
[ 4.167554][ T1] nfc: nfc_init: NFC Core ver 0.1
[ 4.169465][ T1] NET: Registered PF_NFC protocol family
[ 4.170798][ T1] PCI: Using ACPI for IRQ routing
[ 4.172775][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device
[ 4.173898][ T1] pci 0000:00:05.0: vgaarb: bridge control possible
[ 4.173898][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 4.173938][ T1] vgaarb: loaded
[ 4.184385][ T1] clocksource: Switched to clocksource kvm-clock
[ 4.188853][ T1] VFS: Disk quotas dquot_6.6.0
[ 4.190845][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 4.194081][ T1] TOMOYO: 2.6.0
[ 4.195030][ T1] Mandatory Access Control activated.
[ 4.200068][ T1] AppArmor: AppArmor Filesystem Enabled
[ 4.202425][ T1] pnp: PnP ACPI init
[ 4.224079][ T1] pnp: PnP ACPI: found 7 devices
[ 4.264776][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[ 4.268812][ T1] NET: Registered PF_INET protocol family
[ 4.271660][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[ 4.285302][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, linear)
[ 4.288996][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 4.291389][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear)
[ 4.300577][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc hugepage)
[ 4.309031][ T1] TCP: Hash tables configured (established 65536 bind 65536)
[ 4.312533][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear)
[ 4.317108][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear)
[ 4.321277][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family
[ 4.325760][ T1] RPC: Registered named UNIX socket transport module.
[ 4.327949][ T1] RPC: Registered udp transport module.
[ 4.329529][ T1] RPC: Registered tcp transport module.
[ 4.331287][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 4.336215][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
[ 4.338263][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window]
[ 4.340274][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[ 4.342180][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window]
[ 4.346312][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 4.349183][ T1] PCI: CLS 0 bytes, default 64
[ 4.357194][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[ 4.359541][ T1] software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB)
[ 4.374264][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer
[ 4.377563][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6af7c712, max_idle_ns: 440795260639 ns
[ 4.381183][ T1] clocksource: Switched to clocksource tsc
[ 4.386903][ T42] kworker/u4:2 (42) used greatest stack depth: 27960 bytes left
[ 4.390054][ T43] kworker/u4:2 (43) used greatest stack depth: 27856 bytes left
[ 4.404988][ T46] kworker/u4:2 (46) used greatest stack depth: 27584 bytes left
[ 4.419650][ T57] kworker/u4:1 (57) used greatest stack depth: 27104 bytes left
[ 4.577023][ T1] Initialise system trusted keyrings
[ 4.579709][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0
[ 4.629956][ T1] NFS: Registering the id_resolver key type
[ 4.631734][ T1] Key type id_resolver registered
[ 4.632784][ T1] Key type id_legacy registered
[ 4.635001][ T1] 9p: Installing v9fs 9p2000 file system support
[ 4.647346][ T1] Key type asymmetric registered
[ 4.648463][ T1] Asymmetric key parser 'x509' registered
[ 4.650139][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246)
[ 4.651804][ T1] io scheduler mq-deadline registered
[ 4.652921][ T1] io scheduler kyber registered
[ 4.668046][ T1] usbcore: registered new interface driver udlfb
[ 4.670388][ T1] usbcore: registered new interface driver smscufx
[ 4.674843][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 4.678721][ T1] ACPI: button: Power Button [PWRF]
[ 4.681909][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
[ 4.685729][ T1] ACPI: button: Sleep Button [SLPF]
[ 4.710740][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11
[ 4.712328][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
[ 4.730736][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10
[ 4.731975][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
[ 4.750851][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10
[ 4.752346][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver
[ 4.766079][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver
[ 4.774957][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 4.777327][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 4.781154][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[ 4.784896][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
[ 4.788798][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
[ 4.800817][ T1] Non-volatile memory driver v1.3
[ 4.815197][ T1] Linux agpgart interface v0.103
[ 4.819293][ T1] ACPI: bus type drm_connector registered
[ 4.827639][ T1] usbcore: registered new interface driver udl
[ 4.858443][ T1] loop: module loaded
[ 4.860493][ T1] usbcore: registered new interface driver rtsx_usb
[ 4.865594][ T1] usbcore: registered new interface driver viperboard
[ 4.868350][ T1] usbcore: registered new interface driver dln2
[ 4.871499][ T1] usbcore: registered new interface driver pn533_usb
[ 4.873150][ T1] usbcore: registered new interface driver port100
[ 4.876277][ T1] usbcore: registered new interface driver nfcmrvl
[ 4.895271][ T1] scsi host0: Virtio SCSI HBA
[ 4.936976][ T1] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6
[ 5.064220][ T28] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB)
[ 5.067012][ T28] sd 0:0:1:0: [sda] 4096-byte physical blocks
[ 5.068723][ T28] sd 0:0:1:0: [sda] Write Protect is off
[ 5.069988][ T28] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 5.081580][ T28] sda: sda1
[ 5.083763][ T28] sd 0:0:1:0: [sda] Attached SCSI disk
[ 5.087195][ T1] sd 0:0:1:0: Attached scsi generic sg0 type 0
[ 5.096275][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288
[ 5.099555][ T1] db_root: cannot open: /etc/target
[ 5.175649][ T1] CAN device driver interface
[ 5.178459][ T1] usbcore: registered new interface driver usb_8dev
[ 5.178579][ C0] ==================================================================
[ 5.181279][ T1] usbcore: registered new interface driver ems_usb
[ 5.181699][ C0] BUG: KASAN: out-of-bounds in rcu_cblist_dequeue+0xa4/0xe0
[ 5.183790][ T1] usbcore: registered new interface driver gs_usb
[ 5.184268][ C0] Read of size 8 at addr ffffc900018a8000 by task ksoftirqd/0/13
[ 5.184268][ C0]
[ 5.184268][ C0] CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0
[ 5.184268][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[ 5.184268][ C0] Call Trace:
[ 5.184268][ C0]
[ 5.184268][ C0] dump_stack_lvl+0xcd/0x134
[ 5.184268][ C0] ? rcu_cblist_dequeue+0xa4/0xe0
[ 5.184268][ C0] print_report.cold+0x59/0x719
[ 5.187087][ T1] usbcore: registered new interface driver kvaser_usb
[ 5.187043][ C0] ? rcu_cblist_dequeue+0xa4/0xe0
[ 5.191164][ T1] usbcore: registered new interface driver mcba_usb
[ 5.187043][ C0] kasan_report+0xb1/0x1e0
[ 5.195964][ T1] usbcore: registered new interface driver peak_usb
[ 5.194772][ C0] ? rcu_cblist_dequeue+0xa4/0xe0
[ 5.197815][ T1] e100: Intel(R) PRO/100 Network Driver
[ 5.194772][ C0] rcu_cblist_dequeue+0xa4/0xe0
[ 5.199739][ T1] e100: Copyright(c) 1999-2006 Intel Corporation
[ 5.200790][ T1] e1000: Intel(R) PRO/1000 Network Driver
[ 5.194772][ C0] rcu_core+0x6dc/0x1780
[ 5.202500][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation.
[ 5.203034][ T1] e1000e: Intel(R) PRO/1000 Network Driver
[ 5.194772][ C0] ? finish_task_switch.isra.0+0x240/0xa00
[ 5.194772][ C0] ? rcu_report_dead+0x680/0x680
[ 5.194772][ C0] __do_softirq+0x1c0/0x9a9
[ 5.205072][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 5.205566][ T1] sky2: driver version 1.30
[ 5.194772][ C0] ? __irq_exit_rcu+0x170/0x170
[ 5.209089][ T1] usbcore: registered new interface driver ath9k_htc
[ 5.207990][ C0] run_ksoftirqd+0x2d/0x60
[ 5.211561][ T1] usbcore: registered new interface driver carl9170
[ 5.207990][ C0] smpboot_thread_fn+0x645/0x9c0
[ 5.213386][ T1] usbcore: registered new interface driver ath6kl_usb
[ 5.207990][ C0] ? sort_range+0x30/0x30
[ 5.207990][ C0] kthread+0x2ea/0x3a0
[ 5.207990][ C0] ? kthread_complete_and_exit+0x40/0x40
[ 5.207990][ C0] ret_from_fork+0x1f/0x30
[ 5.221811][ T1] usbcore: registered new interface driver ar5523
[ 5.217476][ C0]
[ 5.223750][ T1] usbcore: registered new interface driver ath10k_usb
[ 5.217476][ C0]
[ 5.217476][ C0] The buggy address belongs to the virtual mapping at
[ 5.217476][ C0] [ffffc900018a8000, ffffc900018b1000) created by:
[ 5.217476][ C0] kernel_clone+0xe7/0xab0
[ 5.217476][ C0]
[ 5.217476][ C0] The buggy address belongs to the physical page:
[ 5.217476][ C0] page:ffffea000439f340 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10e7cd
[ 5.224445][ C0] flags: 0x200000000000000(node=0|zone=2)
[ 5.224445][ C0] raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000
[ 5.225492][ T1] Atmel at76x USB Wireless LAN Driver 0.17 loading
[ 5.226703][ T1] usbcore: registered new interface driver at76c50x-usb
[ 5.224445][ C0] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[ 5.232376][ T1] usbcore: registered new interface driver brcmfmac
[ 5.224445][ C0] page dumped because: kasan: bad access detected
[ 5.224445][ C0] page_owner tracks the page as allocated
[ 5.224445][ C0] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 8, tgid 8 (kworker/u4:0), ts 5109303497, free_ts 0
[ 5.224445][ C0] get_page_from_freelist+0x11cc/0x2a20
[ 5.237984][ T1] usbcore: registered new interface driver orinoco_usb
[ 5.224445][ C0] __alloc_pages+0x1c7/0x510
[ 5.239724][ T1] usbcore: registered new interface driver p54usb
[ 5.224445][ C0] __alloc_pages_bulk+0x9a1/0x1400
[ 5.243379][ T1] usbcore: registered new interface driver usb8xxx
[ 5.224445][ C0] alloc_pages_bulk_array_mempolicy+0x1b3/0x360
[ 5.224445][ C0] __vmalloc_node_range+0x576/0x13a0
[ 5.224445][ C0] copy_process+0x13c0/0x6de0
[ 5.247580][ T1] usbcore: registered new interface driver lbtf_usb
[ 5.224445][ C0] kernel_clone+0xe7/0xab0
[ 5.250203][ T1] usbcore: registered new interface driver mwifiex_usb
[ 5.224445][ C0] user_mode_thread+0xad/0xe0
[ 5.252955][ T1] usbcore: registered new interface driver mt7601u
[ 5.224445][ C0] call_usermodehelper_exec_work+0xcc/0x180
[ 5.224445][ C0] process_one_work+0x991/0x1610
[ 5.224445][ C0] worker_thread+0x665/0x1080
[ 5.224445][ C0] kthread+0x2ea/0x3a0
[ 5.258889][ T1] usbcore: registered new interface driver rt2500usb
[ 5.257171][ C0] ret_from_fork+0x1f/0x30
[ 5.261379][ T1] usbcore: registered new interface driver rt73usb
[ 5.261340][ C0] page_owner free stack trace missing
[ 5.261340][ C0]
[ 5.263647][ T1] usbcore: registered new interface driver rt2800usb
[ 5.263610][ C0] Memory state around the buggy address:
[ 5.263610][ C0] ffffc900018a7f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
[ 5.263610][ C0] ffffc900018a7f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
[ 5.263610][ C0] >ffffc900018a8000: 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 5.263610][ C0] ^
[ 5.263610][ C0] ffffc900018a8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 5.263610][ C0] ffffc900018a8100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 5.265476][ T1] usbcore: registered new interface driver rtl8187
[ 5.265438][ C0] ==================================================================
[ 5.266140][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 5.266151][ C0] CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0
[ 5.266177][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[ 5.266190][ C0] Call Trace:
[ 5.266196][ C0]
[ 5.266204][ C0] dump_stack_lvl+0xcd/0x134
[ 5.266240][ C0] panic+0x2c8/0x627
[ 5.266267][ C0] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 5.266299][ C0] ? rcu_cblist_dequeue+0xa4/0xe0
[ 5.266321][ C0] end_report.part.0+0x3f/0x7c
[ 5.266347][ C0] kasan_report.cold+0xa/0xf
[ 5.266372][ C0] ? rcu_cblist_dequeue+0xa4/0xe0
[ 5.266394][ C0] rcu_cblist_dequeue+0xa4/0xe0
[ 5.266415][ C0] rcu_core+0x6dc/0x1780
[ 5.266443][ C0] ? finish_task_switch.isra.0+0x240/0xa00
[ 5.266474][ C0] ? rcu_report_dead+0x680/0x680
[ 5.266504][ C0] __do_softirq+0x1c0/0x9a9
[ 5.266548][ C0] ? __irq_exit_rcu+0x170/0x170
[ 5.266573][ C0] run_ksoftirqd+0x2d/0x60
[ 5.266596][ C0] smpboot_thread_fn+0x645/0x9c0
[ 5.266619][ C0] ? sort_range+0x30/0x30
[ 5.266640][ C0] kthread+0x2ea/0x3a0
[ 5.266662][ C0] ? kthread_complete_and_exit+0x40/0x40
[ 5.266687][ C0] ret_from_fork+0x1f/0x30
[ 5.266712][ C0]
[ 5.267299][ C0] Kernel Offset: disabled
[ 5.276123][ C0] 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-build27638901=/tmp/go-build -gno-record-gcc-switches"
git status (err=)
HEAD detached at a885920d0
nothing to commit, working tree clean
export GOBIN="/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin"; go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
make[1]: Entering directory '/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller'
make[1]: warning: -j32 forced in makefile: resetting jobserver mode.
bin/syz-sysgen
generating akaros/amd64...
generating freebsd/386...
generating freebsd/amd64...
generating fuchsia/amd64...
generating fuchsia/arm64...
generating linux/386...
generating linux/amd64...
generating linux/arm...
generating linux/arm64...
generating linux/mips64le...
generating linux/ppc64le...
generating netbsd/amd64...
generating openbsd/amd64...
generating test/32_fork_shmem...
generating test/32_shmem...
generating test/64...
generating test/64_fork...
generating trusty/arm...
generating windows/amd64...
touch .descriptions
make[1]: Leaving directory '/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller'
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=a885920d007a2f1ce91eb50f810255b190076cd1 -X 'github.com/google/syzkaller/prog.gitRevisionDate=Wed May 13 21:11:52 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=a885920d007a2f1ce91eb50f810255b190076cd1 -X 'github.com/google/syzkaller/prog.gitRevisionDate=Wed May 13 21:11:52 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=a885920d007a2f1ce91eb50f810255b190076cd1 -X 'github.com/google/syzkaller/prog.gitRevisionDate=Wed May 13 21:11:52 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 \
-O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -static -m64 -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"a885920d007a2f1ce91eb50f810255b190076cd1\"